Annotate

net/server_epoll.lua @ 11804:22825cb5dcd8

net.server_epoll: Don't immediately destroy upon getting closed on read Instead try to write any remaining buffered data. If the write attempt also fails with "closed" then there's nothing we can do and the socket is gone. This reverts what appears to be a mistakenly included part of c8aa66595072 Thanks jonas’ for noticing
author Kim Alvefur <zash@zash.se>
date Wed, 15 Sep 2021 18:39:37 +0200
parent 11793:9006ff4838ff
child 11805:2327e03d1f8d
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 -- Prosody IM
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2 -- Copyright (C) 2016-2018 Kim Alvefur
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3 --
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4 -- This project is MIT/X11 licensed. Please see the
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5 -- COPYING file in the source package for more information.
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6 --
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7
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8
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9 local t_insert = table.insert;
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10 local t_concat = table.concat;
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11 local setmetatable = setmetatable;
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12 local pcall = pcall;
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13 local type = type;
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14 local next = next;
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15 local pairs = pairs;
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16 local ipairs = ipairs;
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17 local traceback = debug.traceback;
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18 local logger = require "util.logger";
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19 local log = logger.init("server_epoll");
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20 local socket = require "socket";
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21 local luasec = require "ssl";
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22 local realtime = require "util.time".now;
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23 local monotonic = require "util.time".monotonic;
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24 local indexedbheap = require "util.indexedbheap";
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25 local createtable = require "util.table".create;
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26 local inet = require "util.net";
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27 local inet_pton = inet.pton;
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28 local _SOCKETINVALID = socket._SOCKETINVALID or -1;
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29 local new_id = require "util.id".medium;
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30 local xpcall = require "util.xpcall".xpcall;
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31
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32 local poller = require "util.poll"
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33 local EEXIST = poller.EEXIST;
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34 local ENOENT = poller.ENOENT;
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35
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36 local poll = assert(poller.new());
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37
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38 local _ENV = nil;
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39 -- luacheck: std none
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40
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41 local default_config = { __index = {
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42 -- If a connection is silent for this long, close it unless onreadtimeout says not to
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43 read_timeout = 14 * 60;
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44
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45 -- How long to wait for a socket to become writable after queuing data to send
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46 send_timeout = 180;
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47
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48 -- How long to wait for a socket to become writable after creation
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49 connect_timeout = 20;
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50
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51 -- Some number possibly influencing how many pending connections can be accepted
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52 tcp_backlog = 128;
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53
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54 -- If accepting a new incoming connection fails, wait this long before trying again
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55 accept_retry_interval = 10;
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56
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57 -- If there is still more data to read from LuaSockets buffer, wait this long and read again
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58 read_retry_delay = 1e-06;
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59
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60 -- Size of chunks to read from sockets
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61 read_size = 8192;
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62
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63 -- Timeout used during between steps in TLS handshakes
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64 ssl_handshake_timeout = 60;
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65
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66 -- Maximum and minimum amount of time to sleep waiting for events (adjusted for pending timers)
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67 max_wait = 86400;
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68 min_wait = 0.001;
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69
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70 -- Enable extra noisy debug logging
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71 -- TODO disable once considered stable
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72 verbose = true;
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73
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74 -- EXPERIMENTAL
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75 -- Whether to kill connections in case of callback errors.
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76 fatal_errors = false;
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77
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78 -- Or disable protection (like server_select) for potential performance gains
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79 protect_listeners = true;
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80
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81 -- Attempt writes instantly
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82 opportunistic_writes = false;
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83
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84 -- TCP Keepalives
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85 tcp_keepalive = false; -- boolean | number
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86
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87 -- Whether to let the Nagle algorithm stay enabled
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88 nagle = true;
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89
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90 -- Reuse write buffer tables
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91 keep_buffers = true;
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92 }};
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93 local cfg = default_config.__index;
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94
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95 local fds = createtable(10, 0); -- FD -> conn
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96
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97 -- Timer and scheduling --
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98
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99 local timers = indexedbheap.create();
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100
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101 local function noop() end
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102
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103 -- Keep track of recently closed timers to avoid re-adding them
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104 local closedtimers = {};
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105
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106 local function closetimer(id)
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107 if timers:remove(id) then
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108 closedtimers[id] = true;
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109 end
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110 end
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111
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112 local function reschedule(id, time)
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113 time = monotonic() + time;
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114 timers:reprioritize(id, time);
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115 end
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116
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117 -- Add relative timer
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118 local function addtimer(timeout, f, param)
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119 local time = monotonic() + timeout;
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120 if param ~= nil then
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121 local timer_callback = f
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122 function f(current_time, timer_id)
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123 local t = timer_callback(current_time, timer_id, param)
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124 return t;
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125 end
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126 end
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127 local id = timers:insert(f, time);
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128 return id;
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129 end
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130
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131 -- Run callbacks of expired timers
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132 -- Return time until next timeout
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133 local function runtimers(next_delay, min_wait)
7629
0fcde9869cc1 net.server_epoll: Return early in the event of zero timers
Kim Alvefur <zash@zash.se>
parents: 7628
diff changeset
134 -- Any timers at all?
10492
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling
Kim Alvefur <zash@zash.se>
parents: 10491
diff changeset
135 local elapsed = monotonic();
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling
Kim Alvefur <zash@zash.se>
parents: 10491
diff changeset
136 local now = realtime();
10059
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
137 local peek = timers:peek();
11262
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
138 local readd;
10059
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
139 while peek do
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
140
10492
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling
Kim Alvefur <zash@zash.se>
parents: 10491
diff changeset
141 if peek > elapsed then
10059
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
142 break;
10681
e531273341d3 net.server_epoll: Fix indentation
Kim Alvefur <zash@zash.se>
parents: 10059
diff changeset
143 end
10059
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
144
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
145 local _, timer, id = timers:pop();
10990
03e76ad725b2 net.server_epoll: ... and include a traceback
Kim Alvefur <zash@zash.se>
parents: 10989
diff changeset
146 local ok, ret = xpcall(timer, traceback, now, id);
11761
dbf378dcf27b net.server_epoll: Prevent removed timers from being readded
Kim Alvefur <zash@zash.se>
parents: 11752
diff changeset
147 if ok and type(ret) == "number" and not closedtimers[id] then
10492
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling
Kim Alvefur <zash@zash.se>
parents: 10491
diff changeset
148 local next_time = elapsed+ret;
11262
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
149 -- Delay insertion of timers to be re-added
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
150 -- so they don't get called again this tick
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
151 if readd then
11264
2cdcf55c6dd5 Merge 0.11->trunk
Kim Alvefur <zash@zash.se>
parents: 11239 11262
diff changeset
152 readd[id] = { timer, next_time };
11262
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
153 else
11264
2cdcf55c6dd5 Merge 0.11->trunk
Kim Alvefur <zash@zash.se>
parents: 11239 11262
diff changeset
154 readd = { [id] = { timer, next_time } };
11262
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
155 end
10989
b824fe9d0c8b net.server_epoll: Report errors in timers
Kim Alvefur <zash@zash.se>
parents: 10987
diff changeset
156 elseif not ok then
b824fe9d0c8b net.server_epoll: Report errors in timers
Kim Alvefur <zash@zash.se>
parents: 10987
diff changeset
157 log("error", "Error in timer: %s", ret);
10681
e531273341d3 net.server_epoll: Fix indentation
Kim Alvefur <zash@zash.se>
parents: 10059
diff changeset
158 end
10059
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
159
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
160 peek = timers:peek();
10681
e531273341d3 net.server_epoll: Fix indentation
Kim Alvefur <zash@zash.se>
parents: 10059
diff changeset
161 end
11262
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
162
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
163 if readd then
11751
a8c9a78c6a4b net.server_epoll: Fix to preserve ids of readded timers
Kim Alvefur <zash@zash.se>
parents: 11265
diff changeset
164 for id, timer in pairs(readd) do
11752
6427e2642976 Merge 0.11->trunk
Kim Alvefur <zash@zash.se>
parents: 11743 11751
diff changeset
165 timers:insert(timer[1], timer[2], id);
11262
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
166 end
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
167 peek = timers:peek();
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
168 end
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
169
11761
dbf378dcf27b net.server_epoll: Prevent removed timers from being readded
Kim Alvefur <zash@zash.se>
parents: 11752
diff changeset
170 if next(closedtimers) ~= nil then
dbf378dcf27b net.server_epoll: Prevent removed timers from being readded
Kim Alvefur <zash@zash.se>
parents: 11752
diff changeset
171 closedtimers = {};
dbf378dcf27b net.server_epoll: Prevent removed timers from being readded
Kim Alvefur <zash@zash.se>
parents: 11752
diff changeset
172 end
dbf378dcf27b net.server_epoll: Prevent removed timers from being readded
Kim Alvefur <zash@zash.se>
parents: 11752
diff changeset
173
10059
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
174 if peek == nil then
7629
0fcde9869cc1 net.server_epoll: Return early in the event of zero timers
Kim Alvefur <zash@zash.se>
parents: 7628
diff changeset
175 return next_delay;
11262
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
176 else
11264
2cdcf55c6dd5 Merge 0.11->trunk
Kim Alvefur <zash@zash.se>
parents: 11239 11262
diff changeset
177 next_delay = peek - elapsed;
7629
0fcde9869cc1 net.server_epoll: Return early in the event of zero timers
Kim Alvefur <zash@zash.se>
parents: 7628
diff changeset
178 end
0fcde9869cc1 net.server_epoll: Return early in the event of zero timers
Kim Alvefur <zash@zash.se>
parents: 7628
diff changeset
179
10059
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
180 if next_delay < min_wait then
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
181 return min_wait;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 return next_delay;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
186 -- Socket handler interface
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
187
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 local interface = {};
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 local interface_mt = { __index = interface };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191 function interface_mt:__tostring()
7585
b64218c816de net.server_epoll: Improve string representation of connections
Kim Alvefur <zash@zash.se>
parents: 7584
diff changeset
192 if self.sockname and self.peername then
b64218c816de net.server_epoll: Improve string representation of connections
Kim Alvefur <zash@zash.se>
parents: 7584
diff changeset
193 return ("FD %d (%s, %d, %s, %d)"):format(self:getfd(), self.peername, self.peerport, self.sockname, self.sockport);
b64218c816de net.server_epoll: Improve string representation of connections
Kim Alvefur <zash@zash.se>
parents: 7584
diff changeset
194 elseif self.sockname or self.peername then
b64218c816de net.server_epoll: Improve string representation of connections
Kim Alvefur <zash@zash.se>
parents: 7584
diff changeset
195 return ("FD %d (%s, %d)"):format(self:getfd(), self.sockname or self.peername, self.sockport or self.peerport);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 end
9321
146dc1e4c7ff net.server_epoll: Simplify minimal string representation
Kim Alvefur <zash@zash.se>
parents: 9320
diff changeset
197 return ("FD %d"):format(self:getfd());
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
198 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
200 interface.log = log;
11497
960674938665 net.server_epoll: Remove unnecessary luacheck annotations
Kim Alvefur <zash@zash.se>
parents: 11413
diff changeset
201 function interface:debug(msg, ...)
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
202 self.log("debug", msg, ...);
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
203 end
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
204
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
205 interface.noise = interface.debug;
11497
960674938665 net.server_epoll: Remove unnecessary luacheck annotations
Kim Alvefur <zash@zash.se>
parents: 11413
diff changeset
206 function interface:noise(msg, ...)
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
207 if cfg.verbose then
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
208 return self:debug(msg, ...);
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
209 end
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
210 end
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
211
11497
960674938665 net.server_epoll: Remove unnecessary luacheck annotations
Kim Alvefur <zash@zash.se>
parents: 11413
diff changeset
212 function interface:error(msg, ...)
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
213 self.log("error", msg, ...);
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
214 end
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
215
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
216 -- Replace the listener and tell the old one
9387
33e52f727f0f net.connect: Fix passing request table to new listener
Kim Alvefur <zash@zash.se>
parents: 9385
diff changeset
217 function interface:setlistener(listeners, data)
7604
36408ef6c8c9 net.server_epoll: Call ondetach when listeners are replaced
Kim Alvefur <zash@zash.se>
parents: 7603
diff changeset
218 self:on("detach");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
219 self.listeners = listeners;
9387
33e52f727f0f net.connect: Fix passing request table to new listener
Kim Alvefur <zash@zash.se>
parents: 9385
diff changeset
220 self:on("attach", data);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
223 -- Call a listener callback
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
224 function interface:on(what, ...)
8006
be374a5778f3 net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
parents: 7910
diff changeset
225 if not self.listeners then
10589
3540118699cf net.server_epoll: Log error about missing *all* callbacks at 'error' level
Kim Alvefur <zash@zash.se>
parents: 10588
diff changeset
226 self:error("Interface is missing listener callbacks");
8006
be374a5778f3 net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
parents: 7910
diff changeset
227 return;
be374a5778f3 net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
parents: 7910
diff changeset
228 end
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
229 local listener = self.listeners["on"..what];
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
230 if not listener then
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
231 self:noise("Missing listener 'on%s'", what); -- uncomment for development and debugging
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
232 return;
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
233 end
10992
df3ee12acd8c net.server_epoll: Add setting for turning off callback protections
Kim Alvefur <zash@zash.se>
parents: 10991
diff changeset
234 if not cfg.protect_listeners then
df3ee12acd8c net.server_epoll: Add setting for turning off callback protections
Kim Alvefur <zash@zash.se>
parents: 10991
diff changeset
235 return listener(self, ...);
df3ee12acd8c net.server_epoll: Add setting for turning off callback protections
Kim Alvefur <zash@zash.se>
parents: 10991
diff changeset
236 end
10991
aa85cb5b859f net.server_epoll: Allow setting a custom error handler for listener
Kim Alvefur <zash@zash.se>
parents: 10990
diff changeset
237 local onerror = self.listeners.onerror or traceback;
aa85cb5b859f net.server_epoll: Allow setting a custom error handler for listener
Kim Alvefur <zash@zash.se>
parents: 10990
diff changeset
238 local ok, err = xpcall(listener, onerror, self, ...);
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
239 if not ok then
10081
72adf1f39404 net.server_epoll: Add experimental option to close connections in case of listener error
Kim Alvefur <zash@zash.se>
parents: 10080
diff changeset
240 if cfg.fatal_errors then
10588
ceadf3d3fecf net.server_epoll: Log errors caught in listeners on 'error' level
Kim Alvefur <zash@zash.se>
parents: 10587
diff changeset
241 self:error("Closing due to error calling on%s: %s", what, err);
10081
72adf1f39404 net.server_epoll: Add experimental option to close connections in case of listener error
Kim Alvefur <zash@zash.se>
parents: 10080
diff changeset
242 self:destroy();
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
243 else
11239
06a5919e2496 net.server_epoll: Increase log level for error in callback
Kim Alvefur <zash@zash.se>
parents: 11068
diff changeset
244 self:error("Error calling on%s: %s", what, err);
10081
72adf1f39404 net.server_epoll: Add experimental option to close connections in case of listener error
Kim Alvefur <zash@zash.se>
parents: 10080
diff changeset
245 end
10080
39ca4202ae1e net.server_epoll: Return listener error message
Kim Alvefur <zash@zash.se>
parents: 10061
diff changeset
246 return nil, err;
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
247 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
248 return err;
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
249 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
250
10278
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data
Kim Alvefur <zash@zash.se>
parents: 10234
diff changeset
251 -- Allow this one to be overridden
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data
Kim Alvefur <zash@zash.se>
parents: 10234
diff changeset
252 function interface:onincoming(...)
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data
Kim Alvefur <zash@zash.se>
parents: 10234
diff changeset
253 return self:on("incoming", ...);
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data
Kim Alvefur <zash@zash.se>
parents: 10234
diff changeset
254 end
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data
Kim Alvefur <zash@zash.se>
parents: 10234
diff changeset
255
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
256 -- Return the file descriptor number
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
257 function interface:getfd()
7586
846fdbbc62ba net.server_epoll: Return something as FD when no connection exists
Kim Alvefur <zash@zash.se>
parents: 7585
diff changeset
258 if self.conn then
846fdbbc62ba net.server_epoll: Return something as FD when no connection exists
Kim Alvefur <zash@zash.se>
parents: 7585
diff changeset
259 return self.conn:getfd();
846fdbbc62ba net.server_epoll: Return something as FD when no connection exists
Kim Alvefur <zash@zash.se>
parents: 7585
diff changeset
260 end
7737
f93b3083b46b net.server_epoll: Use _SOCKETINVALID from LuaSocket
Kim Alvefur <zash@zash.se>
parents: 7707
diff changeset
261 return _SOCKETINVALID;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
262 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
263
8271
c09deab9989e net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console)
Kim Alvefur <zash@zash.se>
parents: 8091
diff changeset
264 function interface:server()
c09deab9989e net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console)
Kim Alvefur <zash@zash.se>
parents: 8091
diff changeset
265 return self._server or self;
c09deab9989e net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console)
Kim Alvefur <zash@zash.se>
parents: 8091
diff changeset
266 end
c09deab9989e net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console)
Kim Alvefur <zash@zash.se>
parents: 8091
diff changeset
267
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
268 -- Get IP address
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
269 function interface:ip()
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
270 return self.peername or self.sockname;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
271 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
272
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
273 -- Get a port number, doesn't matter which
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
274 function interface:port()
11793
9006ff4838ff net.server_epoll: Try to make port number related methods sane
Kim Alvefur <zash@zash.se>
parents: 11761
diff changeset
275 return self.peerport or self.sockport;
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
276 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
277
11793
9006ff4838ff net.server_epoll: Try to make port number related methods sane
Kim Alvefur <zash@zash.se>
parents: 11761
diff changeset
278 -- Client-side port (usually a random high port)
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
279 function interface:clientport()
11793
9006ff4838ff net.server_epoll: Try to make port number related methods sane
Kim Alvefur <zash@zash.se>
parents: 11761
diff changeset
280 if self._server then
9006ff4838ff net.server_epoll: Try to make port number related methods sane
Kim Alvefur <zash@zash.se>
parents: 11761
diff changeset
281 return self.peerport;
9006ff4838ff net.server_epoll: Try to make port number related methods sane
Kim Alvefur <zash@zash.se>
parents: 11761
diff changeset
282 else
9006ff4838ff net.server_epoll: Try to make port number related methods sane
Kim Alvefur <zash@zash.se>
parents: 11761
diff changeset
283 return self.sockport;
9006ff4838ff net.server_epoll: Try to make port number related methods sane
Kim Alvefur <zash@zash.se>
parents: 11761
diff changeset
284 end
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
285 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
286
11793
9006ff4838ff net.server_epoll: Try to make port number related methods sane
Kim Alvefur <zash@zash.se>
parents: 11761
diff changeset
287 -- Get port on the server
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
288 function interface:serverport()
11793
9006ff4838ff net.server_epoll: Try to make port number related methods sane
Kim Alvefur <zash@zash.se>
parents: 11761
diff changeset
289 if self._server then
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
290 return self.sockport;
11793
9006ff4838ff net.server_epoll: Try to make port number related methods sane
Kim Alvefur <zash@zash.se>
parents: 11761
diff changeset
291 else
9006ff4838ff net.server_epoll: Try to make port number related methods sane
Kim Alvefur <zash@zash.se>
parents: 11761
diff changeset
292 return self.peerport;
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
293 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
294 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
295
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
296 -- Return underlying socket
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
297 function interface:socket()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
298 return self.conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
299 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
300
7910
91db637be237 net.server_epoll: Add method for changing read pattern
Kim Alvefur <zash@zash.se>
parents: 7817
diff changeset
301 function interface:set_mode(new_mode)
9310
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
302 self.read_size = new_mode;
7910
91db637be237 net.server_epoll: Add method for changing read pattern
Kim Alvefur <zash@zash.se>
parents: 7817
diff changeset
303 end
91db637be237 net.server_epoll: Add method for changing read pattern
Kim Alvefur <zash@zash.se>
parents: 7817
diff changeset
304
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
305 function interface:setoption(k, v)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
306 -- LuaSec doesn't expose setoption :(
11685
247561bf6fca net.server_epoll: Log failures to set socket options
Kim Alvefur <zash@zash.se>
parents: 11677
diff changeset
307 local ok, ret, err = pcall(self.conn.setoption, self.conn, k, v);
247561bf6fca net.server_epoll: Log failures to set socket options
Kim Alvefur <zash@zash.se>
parents: 11677
diff changeset
308 if not ok then
247561bf6fca net.server_epoll: Log failures to set socket options
Kim Alvefur <zash@zash.se>
parents: 11677
diff changeset
309 self:noise("Setting option %q = %q failed: %s", k, v, ret);
247561bf6fca net.server_epoll: Log failures to set socket options
Kim Alvefur <zash@zash.se>
parents: 11677
diff changeset
310 return ok, ret;
247561bf6fca net.server_epoll: Log failures to set socket options
Kim Alvefur <zash@zash.se>
parents: 11677
diff changeset
311 elseif not ret then
247561bf6fca net.server_epoll: Log failures to set socket options
Kim Alvefur <zash@zash.se>
parents: 11677
diff changeset
312 self:noise("Setting option %q = %q failed: %s", k, v, err);
247561bf6fca net.server_epoll: Log failures to set socket options
Kim Alvefur <zash@zash.se>
parents: 11677
diff changeset
313 return ret, err;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
314 end
11685
247561bf6fca net.server_epoll: Log failures to set socket options
Kim Alvefur <zash@zash.se>
parents: 11677
diff changeset
315 return ret;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
316 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
317
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
318 -- Timeout for detecting dead or idle sockets
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
319 function interface:setreadtimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
320 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
321 if self._readtimeout then
10985
758ce12586de net.server_epoll: Optimize away table allocation for timer objects
Kim Alvefur <zash@zash.se>
parents: 10984
diff changeset
322 closetimer(self._readtimeout);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
323 self._readtimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
324 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
325 return
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
326 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
327 t = t or cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
328 if self._readtimeout then
10985
758ce12586de net.server_epoll: Optimize away table allocation for timer objects
Kim Alvefur <zash@zash.se>
parents: 10984
diff changeset
329 reschedule(self._readtimeout, t);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
330 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
331 self._readtimeout = addtimer(t, function ()
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
332 if self:on("readtimeout") then
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
333 self:noise("Read timeout handled");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
334 return cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
335 else
10417
d8a0b0d21c81 net.server_epoll: Improve read timeout debug messages
Kim Alvefur <zash@zash.se>
parents: 10416
diff changeset
336 self:debug("Read timeout not handled, disconnecting");
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
337 self:on("disconnect", "read timeout");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
338 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
339 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
340 end);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
341 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
342 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
343
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
344 -- Timeout for detecting dead sockets
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
345 function interface:setwritetimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
346 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
347 if self._writetimeout then
10985
758ce12586de net.server_epoll: Optimize away table allocation for timer objects
Kim Alvefur <zash@zash.se>
parents: 10984
diff changeset
348 closetimer(self._writetimeout);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
349 self._writetimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
350 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
351 return
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
352 end
9821
7712488c8e49 net.server_epoll: Use send_timeout for write timout like other implementations (fixes #1316)
Kim Alvefur <zash@zash.se>
parents: 9665
diff changeset
353 t = t or cfg.send_timeout;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
354 if self._writetimeout then
10985
758ce12586de net.server_epoll: Optimize away table allocation for timer objects
Kim Alvefur <zash@zash.se>
parents: 10984
diff changeset
355 reschedule(self._writetimeout, t);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
356 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
357 self._writetimeout = addtimer(t, function ()
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
358 self:noise("Write timeout");
10638
92918212ee83 net.server_epoll: Different error to distinguish connection timeout
Kim Alvefur <zash@zash.se>
parents: 10589
diff changeset
359 self:on("disconnect", self._connected and "write timeout" or "connection timeout");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
360 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
361 end);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
362 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
363 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
364
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
365 function interface:add(r, w)
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
366 local fd = self:getfd();
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
367 if fd < 0 then
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
368 return nil, "invalid fd";
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
369 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
370 if r == nil then r = self._wantread; end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
371 if w == nil then w = self._wantwrite; end
9384
5c8006ce8cb8 net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents: 9383
diff changeset
372 local ok, err, errno = poll:add(fd, r, w);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
373 if not ok then
9506
ae6636052be9 net.server_epoll: Graceful handling of registering already added socket
Kim Alvefur <zash@zash.se>
parents: 9499
diff changeset
374 if errno == EEXIST then
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
375 self:debug("FD already registered in poller! (EEXIST)");
9506
ae6636052be9 net.server_epoll: Graceful handling of registering already added socket
Kim Alvefur <zash@zash.se>
parents: 9499
diff changeset
376 return self:set(r, w); -- So try to change its flags
ae6636052be9 net.server_epoll: Graceful handling of registering already added socket
Kim Alvefur <zash@zash.se>
parents: 9499
diff changeset
377 end
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
378 self:debug("Could not register in poller: %s(%d)", err, errno);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
379 return ok, err;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
380 end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
381 self._wantread, self._wantwrite = r, w;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
382 fds[fd] = self;
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
383 self:noise("Registered in poller");
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
384 return true;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
385 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
386
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
387 function interface:set(r, w)
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
388 local fd = self:getfd();
7602
a4d5eec36a17 net.server_epoll: Prevent invalid FDs from being added to epoll
Kim Alvefur <zash@zash.se>
parents: 7601
diff changeset
389 if fd < 0 then
a4d5eec36a17 net.server_epoll: Prevent invalid FDs from being added to epoll
Kim Alvefur <zash@zash.se>
parents: 7601
diff changeset
390 return nil, "invalid fd";
a4d5eec36a17 net.server_epoll: Prevent invalid FDs from being added to epoll
Kim Alvefur <zash@zash.se>
parents: 7601
diff changeset
391 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
392 if r == nil then r = self._wantread; end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
393 if w == nil then w = self._wantwrite; end
9384
5c8006ce8cb8 net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents: 9383
diff changeset
394 local ok, err, errno = poll:set(fd, r, w);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
395 if not ok then
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
396 self:debug("Could not update poller state: %s(%d)", err, errno);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
397 return ok, err;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
398 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
399 self._wantread, self._wantwrite = r, w;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
400 return true;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
401 end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
402
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
403 function interface:del()
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
404 local fd = self:getfd();
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
405 if fd < 0 then
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
406 return nil, "invalid fd";
7625
6afafd6d4ef0 net.server_epoll: Move management of fd registry to :setflags
Kim Alvefur <zash@zash.se>
parents: 7624
diff changeset
407 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
408 if fds[fd] ~= self then
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
409 return nil, "unregistered fd";
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
410 end
9384
5c8006ce8cb8 net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents: 9383
diff changeset
411 local ok, err, errno = poll:del(fd);
9507
33d21f020b66 net.server_epoll: Ignore ENOENT when deregitering socket
Kim Alvefur <zash@zash.se>
parents: 9506
diff changeset
412 if not ok and errno ~= ENOENT then
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
413 self:debug("Could not unregister: %s(%d)", err, errno);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
414 return ok, err;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
415 end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
416 self._wantread, self._wantwrite = nil, nil;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
417 fds[fd] = nil;
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
418 self:noise("Unregistered from poller");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
419 return true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
420 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
421
9320
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
422 function interface:setflags(r, w)
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
423 if not(self._wantread or self._wantwrite) then
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
424 if not(r or w) then
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
425 return true; -- no change
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
426 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
427 return self:add(r, w);
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
428 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
429 if not(r or w) then
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
430 return self:del();
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
431 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
432 return self:set(r, w);
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
433 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
434
7573
0f0a6febbc5a net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents: 7564
diff changeset
435 -- Called when socket is readable
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
436 function interface:onreadable()
9311
9b0604fe01f1 net.server_epoll: Make read_size a server-wide option
Kim Alvefur <zash@zash.se>
parents: 9310
diff changeset
437 local data, err, partial = self.conn:receive(self.read_size or cfg.read_size);
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
438 if data then
8540
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents: 8507
diff changeset
439 self:onconnect();
10278
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data
Kim Alvefur <zash@zash.se>
parents: 10234
diff changeset
440 self:onincoming(data);
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
441 else
9931
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
442 if err == "wantread" then
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
443 self:set(true, nil);
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
444 err = "timeout";
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
445 elseif err == "wantwrite" then
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
446 self:set(nil, true);
11702
c206430e2643 net.server_epoll: Ensure timeouts match epoll flags
Kim Alvefur <zash@zash.se>
parents: 11701
diff changeset
447 self:setwritetimeout();
9931
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
448 err = "timeout";
11592
64cfa396bb84 net.server_epoll: Fix reporting of socket connect timeout
Kim Alvefur <zash@zash.se>
parents: 11497
diff changeset
449 elseif err == "timeout" and not self._connected then
64cfa396bb84 net.server_epoll: Fix reporting of socket connect timeout
Kim Alvefur <zash@zash.se>
parents: 11497
diff changeset
450 err = "connection timeout";
9931
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
451 end
8540
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents: 8507
diff changeset
452 if partial and partial ~= "" then
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents: 8507
diff changeset
453 self:onconnect();
10278
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data
Kim Alvefur <zash@zash.se>
parents: 10234
diff changeset
454 self:onincoming(partial, err);
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
455 end
9931
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
456 if err ~= "timeout" then
11014
05fefde93036 net.server_epoll: Log debug message when a connection errors on read
Kim Alvefur <zash@zash.se>
parents: 10992
diff changeset
457 if err == "closed" then
05fefde93036 net.server_epoll: Log debug message when a connection errors on read
Kim Alvefur <zash@zash.se>
parents: 10992
diff changeset
458 self:debug("Connection closed by remote");
05fefde93036 net.server_epoll: Log debug message when a connection errors on read
Kim Alvefur <zash@zash.se>
parents: 10992
diff changeset
459 else
05fefde93036 net.server_epoll: Log debug message when a connection errors on read
Kim Alvefur <zash@zash.se>
parents: 10992
diff changeset
460 self:debug("Read error, closing (%s)", err);
05fefde93036 net.server_epoll: Log debug message when a connection errors on read
Kim Alvefur <zash@zash.se>
parents: 10992
diff changeset
461 end
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
462 self:on("disconnect", err);
11804
22825cb5dcd8 net.server_epoll: Don't immediately destroy upon getting closed on read
Kim Alvefur <zash@zash.se>
parents: 11793
diff changeset
463 self:close();
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
464 return;
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
465 end
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
466 end
7691
a5ad858f3a93 net.server_epoll: Check that connection still exists after callback, fixes traceback when closed
Kim Alvefur <zash@zash.se>
parents: 7687
diff changeset
467 if not self.conn then return; end
10098
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
468 if self._limit and (data or partial) then
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
469 local cost = self._limit * #(data or partial);
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
470 if cost > cfg.min_wait then
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
471 self:setreadtimeout(false);
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
472 self:pausefor(cost);
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
473 return;
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
474 end
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
475 end
11701
a3572205c5bf net.server_epoll: Skip reset of read timeout when not reading
Kim Alvefur <zash@zash.se>
parents: 11700
diff changeset
476 if not self._wantread then return end
a3572205c5bf net.server_epoll: Skip reset of read timeout when not reading
Kim Alvefur <zash@zash.se>
parents: 11700
diff changeset
477 if self.conn:dirty() then
7606
f40f1d9b7872 net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents: 7604
diff changeset
478 self:setreadtimeout(false);
f40f1d9b7872 net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents: 7604
diff changeset
479 self:pausefor(cfg.read_retry_delay);
f40f1d9b7872 net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents: 7604
diff changeset
480 else
f40f1d9b7872 net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents: 7604
diff changeset
481 self:setreadtimeout();
f40f1d9b7872 net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents: 7604
diff changeset
482 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
483 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
484
7573
0f0a6febbc5a net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents: 7564
diff changeset
485 -- Called when socket is writable
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
486 function interface:onwritable()
8552
1fcefc16a55d server_epoll: Onconnect should happen before first attempt to write to socket
Kim Alvefur <zash@zash.se>
parents: 8542
diff changeset
487 self:onconnect();
8776
e7d4344e0fea net.server_epoll: Handle connection being closed and destroyed in onconnect callback
Kim Alvefur <zash@zash.se>
parents: 8555
diff changeset
488 if not self.conn then return; end -- could have been closed in onconnect
11741
dcf38ac6a38c net.server: Add a predrain callaback just before writes
Kim Alvefur <zash@zash.se>
parents: 11738
diff changeset
489 self:on("predrain");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
490 local buffer = self.writebuffer;
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
491 local data = buffer or "";
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
492 if type(buffer) == "table" then
11698
9a2a98621c73 net.server_epoll: Optimize concatenation of exactly 2 buffer chunks
Kim Alvefur <zash@zash.se>
parents: 11697
diff changeset
493 if buffer[3] then
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
494 data = t_concat(data);
11698
9a2a98621c73 net.server_epoll: Optimize concatenation of exactly 2 buffer chunks
Kim Alvefur <zash@zash.se>
parents: 11697
diff changeset
495 elseif buffer[2] then
9a2a98621c73 net.server_epoll: Optimize concatenation of exactly 2 buffer chunks
Kim Alvefur <zash@zash.se>
parents: 11697
diff changeset
496 data = buffer[1] .. buffer[2];
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
497 else
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
498 data = buffer[1] or "";
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
499 end
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
500 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
501 local ok, err, partial = self.conn:send(data);
11738
3f1450ec37f4 net.server_epoll: Improve efficiency of opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 11703
diff changeset
502 self._writable = ok;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
503 if ok then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
504 self:set(nil, false);
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
505 if cfg.keep_buffers and type(buffer) == "table" then
8541
8186114329d6 net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless
Kim Alvefur <zash@zash.se>
parents: 8540
diff changeset
506 for i = #buffer, 1, -1 do
8186114329d6 net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless
Kim Alvefur <zash@zash.se>
parents: 8540
diff changeset
507 buffer[i] = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
508 end
11696
917eca7be82b net.server_epoll: Optionally let go of buffers
Kim Alvefur <zash@zash.se>
parents: 11695
diff changeset
509 else
917eca7be82b net.server_epoll: Optionally let go of buffers
Kim Alvefur <zash@zash.se>
parents: 11695
diff changeset
510 self.writebuffer = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
511 end
8541
8186114329d6 net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless
Kim Alvefur <zash@zash.se>
parents: 8540
diff changeset
512 self:setwritetimeout(false);
8186114329d6 net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless
Kim Alvefur <zash@zash.se>
parents: 8540
diff changeset
513 self:ondrain(); -- Be aware of writes in ondrain
11695
1573099157c9 net.server_epoll: Propagate returns from opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 11694
diff changeset
514 return ok;
8540
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents: 8507
diff changeset
515 elseif partial then
10305
2fadbf209678 net.server_epoll: Log size of partial writes (debug)
Kim Alvefur <zash@zash.se>
parents: 10300
diff changeset
516 self:debug("Sent %d out of %d buffered bytes", partial, #data);
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
517 if cfg.keep_buffers and type(buffer) == "table" then
7591
138f16eb39fb net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents: 7590
diff changeset
518 buffer[1] = data:sub(partial+1);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
519 for i = #buffer, 2, -1 do
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
520 buffer[i] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
521 end
11696
917eca7be82b net.server_epoll: Optionally let go of buffers
Kim Alvefur <zash@zash.se>
parents: 11695
diff changeset
522 else
11703
e57c5d9c722c net.server_epoll: Fix traceback-causing typo
Kim Alvefur <zash@zash.se>
parents: 11702
diff changeset
523 self.writebuffer = data:sub(partial+1);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
524 end
10228
e77bf4222fae net.server_epoll: Add support for opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 10098
diff changeset
525 self:set(nil, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
526 self:setwritetimeout();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
527 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
528 if err == "wantwrite" or err == "timeout" then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
529 self:set(nil, true);
11702
c206430e2643 net.server_epoll: Ensure timeouts match epoll flags
Kim Alvefur <zash@zash.se>
parents: 11701
diff changeset
530 self:setwritetimeout();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
531 elseif err == "wantread" then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
532 self:set(true, nil);
11702
c206430e2643 net.server_epoll: Ensure timeouts match epoll flags
Kim Alvefur <zash@zash.se>
parents: 11701
diff changeset
533 self:setreadtimeout();
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
534 elseif err ~= "timeout" then
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
535 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
536 self:destroy();
11695
1573099157c9 net.server_epoll: Propagate returns from opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 11694
diff changeset
537 return ok, err;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
538 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
539 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
540
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
541 -- The write buffer has been successfully emptied
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
542 function interface:ondrain()
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
543 return self:on("drain");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
544 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
545
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
546 -- Add data to write buffer and set flag for wanting to write
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
547 function interface:write(data)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
548 local buffer = self.writebuffer;
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
549 if type(buffer) == "table" then
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
550 t_insert(buffer, data);
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
551 elseif type(buffer) == "string" then
11696
917eca7be82b net.server_epoll: Optionally let go of buffers
Kim Alvefur <zash@zash.se>
parents: 11695
diff changeset
552 self:noise("Allocating buffer!")
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
553 self.writebuffer = { buffer, data };
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
554 elseif buffer == nil then
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
555 self.writebuffer = data;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
556 end
9581
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
557 if not self._write_lock then
11738
3f1450ec37f4 net.server_epoll: Improve efficiency of opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 11703
diff changeset
558 if self._writable and cfg.opportunistic_writes and not self._opportunistic_write then
11665
148075532021 net.server_epoll: Prevent stack overflow of opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 11660
diff changeset
559 self._opportunistic_write = true;
11695
1573099157c9 net.server_epoll: Propagate returns from opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 11694
diff changeset
560 local ret, err = self:onwritable();
11665
148075532021 net.server_epoll: Prevent stack overflow of opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 11660
diff changeset
561 self._opportunistic_write = nil;
11695
1573099157c9 net.server_epoll: Propagate returns from opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 11694
diff changeset
562 return ret, err;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
563 end
7550
8c2bc1b6d84a net.server_epoll: Remove last traces of code for bypassing buffering on writable sockets
Kim Alvefur <zash@zash.se>
parents: 7547
diff changeset
564 self:setwritetimeout();
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
565 self:set(nil, true);
9581
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
566 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
567 return #data;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
568 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
569 interface.send = interface.write;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
570
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
571 -- Close, possibly after writing is done
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
572 function interface:close()
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
573 if self.writebuffer and (self.writebuffer[1] or type(self.writebuffer) == "string") then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
574 self:set(false, true); -- Flush final buffer contents
11702
c206430e2643 net.server_epoll: Ensure timeouts match epoll flags
Kim Alvefur <zash@zash.se>
parents: 11701
diff changeset
575 self:setreadtimeout(false);
11658
36942fa001b4 net.server_epoll: Ensure timeout after closing
Kim Alvefur <zash@zash.se>
parents: 11595
diff changeset
576 self:setwritetimeout();
7593
0266434d7df1 net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents: 7592
diff changeset
577 self.write, self.send = noop, noop; -- No more writing
10416
6af8c812a885 net.server_epoll: Clarify a debug message
Kim Alvefur <zash@zash.se>
parents: 10332
diff changeset
578 self:debug("Close after writing remaining buffered data");
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
579 self.ondrain = interface.close;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
580 else
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
581 self:debug("Closing now");
7593
0266434d7df1 net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents: 7592
diff changeset
582 self.write, self.send = noop, noop;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
583 self.close = noop;
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
584 self:on("disconnect");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
585 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
586 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
587 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
588
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
589 function interface:destroy()
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
590 self:del();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
591 self:setwritetimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
592 self:setreadtimeout(false);
7594
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
593 self.onreadable = noop;
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
594 self.onwritable = noop;
7594
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
595 self.destroy = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
596 self.close = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
597 self.on = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
598 self.conn:close();
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
599 self.conn = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
600 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
601
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
602 function interface:ssl()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
603 return self._tls;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
604 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
605
11595
8985efc6792d net.server_epoll: Add missing method for changing TLS context
Kim Alvefur <zash@zash.se>
parents: 11592
diff changeset
606 function interface:set_sslctx(sslctx)
8985efc6792d net.server_epoll: Add missing method for changing TLS context
Kim Alvefur <zash@zash.se>
parents: 11592
diff changeset
607 self._sslctx = sslctx;
8985efc6792d net.server_epoll: Add missing method for changing TLS context
Kim Alvefur <zash@zash.se>
parents: 11592
diff changeset
608 end
8985efc6792d net.server_epoll: Add missing method for changing TLS context
Kim Alvefur <zash@zash.se>
parents: 11592
diff changeset
609
9300
1df8832bd29e net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents: 8983
diff changeset
610 function interface:starttls(tls_ctx)
1df8832bd29e net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents: 8983
diff changeset
611 if tls_ctx then self.tls_ctx = tls_ctx; end
9430
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
612 self.starttls = false;
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
613 if self.writebuffer and (self.writebuffer[1] or type(self.writebuffer) == "string") then
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
614 self:debug("Start TLS after write");
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
615 self.ondrain = interface.starttls;
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
616 self:set(nil, true); -- make sure wantwrite is set
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
617 else
9430
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
618 if self.ondrain == interface.starttls then
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
619 self.ondrain = nil;
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
620 end
11672
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
621 self.onwritable = interface.inittls;
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
622 self.onreadable = interface.inittls;
9430
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
623 self:set(true, true);
11699
1275dad71afd net.server_epoll: Use only fatal "write" timeout during TLS negotiation
Kim Alvefur <zash@zash.se>
parents: 11698
diff changeset
624 self:setreadtimeout(false);
11659
00295a8e5bcf net.server_epoll: Separate handling of new incoming and outgoing connections
Kim Alvefur <zash@zash.se>
parents: 11658
diff changeset
625 self:setwritetimeout(cfg.ssl_handshake_timeout);
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
626 self:debug("Prepared to start TLS");
9430
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
627 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
628 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
629
11676
993462e5e4d4 net.server_epoll: Refactor immediate TLS handshake start
Kim Alvefur <zash@zash.se>
parents: 11675
diff changeset
630 function interface:inittls(tls_ctx, now)
11672
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
631 if self._tls then return end
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
632 if tls_ctx then self.tls_ctx = tls_ctx; end
9430
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
633 self._tls = true;
11672
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
634 self:debug("Starting TLS now");
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
635 self:updatenames(); -- Can't getpeer/sockname after wrap()
9431
c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents: 9430
diff changeset
636 local ok, conn, err = pcall(luasec.wrap, self.conn, self.tls_ctx);
c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents: 9430
diff changeset
637 if not ok then
c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents: 9430
diff changeset
638 conn, err = ok, conn;
11672
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
639 self:debug("Failed to initialize TLS: %s", err);
9431
c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents: 9430
diff changeset
640 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
641 if not conn then
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
642 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
643 self:destroy();
7595
166b2e0766a4 net.server_epoll: Return status from starttls method
Kim Alvefur <zash@zash.se>
parents: 7594
diff changeset
644 return conn, err;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
645 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
646 conn:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
647 self.conn = conn;
11672
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
648 if conn.sni then
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
649 if self.servername then
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
650 conn:sni(self.servername);
11672
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
651 elseif self._server and type(self._server.hosts) == "table" and next(self._server.hosts) ~= nil then
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
652 conn:sni(self._server.hosts, true);
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
653 end
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
654 end
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
655 if self.extra and self.extra.tlsa and conn.settlsa then
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
656 -- TODO Error handling
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
657 if not conn:setdane(self.servername or self.extra.dane_hostname) then
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
658 self:debug("Could not enable DANE on connection");
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
659 else
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
660 self:debug("Enabling DANE with %d TLSA records", #self.extra.tlsa);
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
661 self:noise("DANE hostname is %q", self.servername or self.extra.dane_hostname);
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
662 for _, tlsa in ipairs(self.extra.tlsa) do
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
663 self:noise("TLSA: %q", tlsa);
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
664 conn:settlsa(tlsa.use, tlsa.select, tlsa.match, tlsa.data);
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
665 end
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
666 end
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
667 end
9430
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
668 self:on("starttls");
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
669 self.ondrain = nil;
11672
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
670 self.onwritable = interface.tlshandshake;
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
671 self.onreadable = interface.tlshandshake;
11676
993462e5e4d4 net.server_epoll: Refactor immediate TLS handshake start
Kim Alvefur <zash@zash.se>
parents: 11675
diff changeset
672 if now then
993462e5e4d4 net.server_epoll: Refactor immediate TLS handshake start
Kim Alvefur <zash@zash.se>
parents: 11675
diff changeset
673 return self:tlshandshake()
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
674 end
11699
1275dad71afd net.server_epoll: Use only fatal "write" timeout during TLS negotiation
Kim Alvefur <zash@zash.se>
parents: 11698
diff changeset
675 self:setreadtimeout(false);
11674
8253f6a30afc net.server_epoll: Use TLS handshake timeout after initiating handshake
Kim Alvefur <zash@zash.se>
parents: 11673
diff changeset
676 self:setwritetimeout(cfg.ssl_handshake_timeout);
11675
139d80774f11 net.server_epoll: Keep socket registered in epoll trough TLS wrapping
Kim Alvefur <zash@zash.se>
parents: 11674
diff changeset
677 self:set(true, true);
11672
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
678 end
79f8e29e88a0 net.server_epoll: Factor out TLS initialization into a method
Kim Alvefur <zash@zash.se>
parents: 11671
diff changeset
679
10847
42c8dce6e765 net.server_epoll: Fix typo in internal method name
Kim Alvefur <zash@zash.se>
parents: 10846
diff changeset
680 function interface:tlshandshake()
9430
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
681 self:setreadtimeout(false);
10846
d0b098d0f6c3 net.server_epoll: Log some noise before TLS handshake step
Kim Alvefur <zash@zash.se>
parents: 10683
diff changeset
682 self:noise("Continuing TLS handshake");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
683 local ok, err = self.conn:dohandshake();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
684 if ok then
10309
2a31571efce0 net.server_epoll: Guard against nil return from TLS info method
Kim Alvefur <zash@zash.se>
parents: 10307
diff changeset
685 local info = self.conn.info and self.conn:info();
2a31571efce0 net.server_epoll: Guard against nil return from TLS info method
Kim Alvefur <zash@zash.se>
parents: 10307
diff changeset
686 if type(info) == "table" then
10307
6a997f0ceba8 net.server_epoll: Log TLS version and cipher for all completed handshakes
Kim Alvefur <zash@zash.se>
parents: 10305
diff changeset
687 self:debug("TLS handshake complete (%s with %s)", info.protocol, info.cipher);
6a997f0ceba8 net.server_epoll: Log TLS version and cipher for all completed handshakes
Kim Alvefur <zash@zash.se>
parents: 10305
diff changeset
688 else
6a997f0ceba8 net.server_epoll: Log TLS version and cipher for all completed handshakes
Kim Alvefur <zash@zash.se>
parents: 10305
diff changeset
689 self:debug("TLS handshake complete");
6a997f0ceba8 net.server_epoll: Log TLS version and cipher for all completed handshakes
Kim Alvefur <zash@zash.se>
parents: 10305
diff changeset
690 end
11700
79d30de13fdb net.server_epoll: Reduce timer churn during TLS handshake
Kim Alvefur <zash@zash.se>
parents: 11699
diff changeset
691 self:setwritetimeout(false);
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
692 self.onwritable = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
693 self.onreadable = nil;
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
694 self:on("status", "ssl-handshake-complete");
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
695 self:set(true, true);
11677
98bcc19361db net.server_epoll: Call onconnect immediately after TLS handshake completion
Kim Alvefur <zash@zash.se>
parents: 11676
diff changeset
696 self:onconnect();
98bcc19361db net.server_epoll: Call onconnect immediately after TLS handshake completion
Kim Alvefur <zash@zash.se>
parents: 11676
diff changeset
697 self:onreadable();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
698 elseif err == "wantread" then
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
699 self:noise("TLS handshake to wait until readable");
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
700 self:set(true, false);
11699
1275dad71afd net.server_epoll: Use only fatal "write" timeout during TLS negotiation
Kim Alvefur <zash@zash.se>
parents: 11698
diff changeset
701 self:setwritetimeout(cfg.ssl_handshake_timeout);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
702 elseif err == "wantwrite" then
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
703 self:noise("TLS handshake to wait until writable");
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
704 self:set(false, true);
9822
13c2707d2417 net.server_epoll: Rename handshake_timeout to ssl_handshake_timeout (fixes #1319)
Kim Alvefur <zash@zash.se>
parents: 9821
diff changeset
705 self:setwritetimeout(cfg.ssl_handshake_timeout);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
706 else
10649
228277be4a28 net.server_epoll: Reduce log level of TLS handshake errors to debug
Kim Alvefur <zash@zash.se>
parents: 10638
diff changeset
707 self:debug("TLS handshake error: %s", err);
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
708 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
709 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
710 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
711 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
712
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
713 local function wrapsocket(client, server, read_size, listeners, tls_ctx, extra) -- luasocket object -> interface object
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
714 client:settimeout(0);
10279
0e1701197722 net.server_epoll: Make log tag accessible as a field
Kim Alvefur <zash@zash.se>
parents: 10278
diff changeset
715 local conn_id = ("conn%s"):format(new_id());
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
716 local conn = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
717 conn = client;
8271
c09deab9989e net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console)
Kim Alvefur <zash@zash.se>
parents: 8091
diff changeset
718 _server = server;
10492
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling
Kim Alvefur <zash@zash.se>
parents: 10491
diff changeset
719 created = realtime();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
720 listeners = listeners;
9310
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
721 read_size = read_size or (server and server.read_size);
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
722 writebuffer = nil;
9432
2e3f66475cc8 net.server_epoll: Inherit Direct TLS flag from servers to their clients
Kim Alvefur <zash@zash.se>
parents: 9431
diff changeset
723 tls_ctx = tls_ctx or (server and server.tls_ctx);
2e3f66475cc8 net.server_epoll: Inherit Direct TLS flag from servers to their clients
Kim Alvefur <zash@zash.se>
parents: 9431
diff changeset
724 tls_direct = server and server.tls_direct;
10279
0e1701197722 net.server_epoll: Make log tag accessible as a field
Kim Alvefur <zash@zash.se>
parents: 10278
diff changeset
725 id = conn_id;
0e1701197722 net.server_epoll: Make log tag accessible as a field
Kim Alvefur <zash@zash.se>
parents: 10278
diff changeset
726 log = logger.init(conn_id);
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
727 extra = extra;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
728 }, interface_mt);
7591
138f16eb39fb net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents: 7590
diff changeset
729
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
730 if extra then
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
731 if extra.servername then
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
732 conn.servername = extra.servername;
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
733 end
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
734 end
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
735
9383
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
736 conn:updatenames();
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
737 return conn;
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
738 end
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
739
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
740 function interface:updatenames()
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
741 local conn = self.conn;
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
742 local ok, peername, peerport = pcall(conn.getpeername, conn);
10330
d86b1304451a net.server_epoll: Handle getpeer/sockname returning a normal error
Kim Alvefur <zash@zash.se>
parents: 10329
diff changeset
743 if ok and peername then
10854
472fe13a05f9 net.server_epoll: Handle missing ports from getsock/peername (as in the case of unix sockets)
Matthew Wild <mwild1@gmail.com>
parents: 10847
diff changeset
744 self.peername, self.peerport = peername, peerport or 0;
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
745 end
9383
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
746 local ok, sockname, sockport = pcall(conn.getsockname, conn);
10330
d86b1304451a net.server_epoll: Handle getpeer/sockname returning a normal error
Kim Alvefur <zash@zash.se>
parents: 10329
diff changeset
747 if ok and sockname then
10854
472fe13a05f9 net.server_epoll: Handle missing ports from getsock/peername (as in the case of unix sockets)
Matthew Wild <mwild1@gmail.com>
parents: 10847
diff changeset
748 self.sockname, self.sockport = sockname, sockport or 0;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
749 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
750 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
751
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
752 -- A server interface has new incoming connections waiting
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
753 -- This replaces the onreadable callback
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
754 function interface:onacceptable()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
755 local conn, err = self.conn:accept();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
756 if not conn then
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
757 self:debug("Error accepting new client: %s, server will be paused for %ds", err, cfg.accept_retry_interval);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
758 self:pausefor(cfg.accept_retry_interval);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
759 return;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
760 end
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
761 local client = wrapsocket(conn, self, nil, self.listeners);
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
762 client:debug("New connection %s on server %s", client, self);
11686
f4c3dcc907d8 net.server_epoll: Add an (empty) method for setting socket options
Kim Alvefur <zash@zash.se>
parents: 11685
diff changeset
763 client:defaultoptions();
11738
3f1450ec37f4 net.server_epoll: Improve efficiency of opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 11703
diff changeset
764 client._writable = cfg.opportunistic_writes;
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
765 if self.tls_direct then
11659
00295a8e5bcf net.server_epoll: Separate handling of new incoming and outgoing connections
Kim Alvefur <zash@zash.se>
parents: 11658
diff changeset
766 client:add(true, true);
11676
993462e5e4d4 net.server_epoll: Refactor immediate TLS handshake start
Kim Alvefur <zash@zash.se>
parents: 11675
diff changeset
767 client:inittls(self.tls_ctx, true);
9695
5ec4eaf76de8 net.server_epoll: Call onconnect right after accept()ing a new client
Kim Alvefur <zash@zash.se>
parents: 9666
diff changeset
768 else
11659
00295a8e5bcf net.server_epoll: Separate handling of new incoming and outgoing connections
Kim Alvefur <zash@zash.se>
parents: 11658
diff changeset
769 client:add(true, false);
9695
5ec4eaf76de8 net.server_epoll: Call onconnect right after accept()ing a new client
Kim Alvefur <zash@zash.se>
parents: 9666
diff changeset
770 client:onconnect();
11660
68f0196ece2a net.server_epoll: Immediately attempt to read from newly accepted connections
Kim Alvefur <zash@zash.se>
parents: 11659
diff changeset
771 client:onreadable();
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
772 end
7597
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
773 end
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
774
11659
00295a8e5bcf net.server_epoll: Separate handling of new incoming and outgoing connections
Kim Alvefur <zash@zash.se>
parents: 11658
diff changeset
775 -- Initialization for outgoing connections
7597
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
776 function interface:init()
9824
729de68f0068 net.server_epoll: Separate timeout for initial connection attempts
Kim Alvefur <zash@zash.se>
parents: 9823
diff changeset
777 self:setwritetimeout(cfg.connect_timeout);
11686
f4c3dcc907d8 net.server_epoll: Add an (empty) method for setting socket options
Kim Alvefur <zash@zash.se>
parents: 11685
diff changeset
778 self:defaultoptions();
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
779 return self:add(true, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
780 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
781
11686
f4c3dcc907d8 net.server_epoll: Add an (empty) method for setting socket options
Kim Alvefur <zash@zash.se>
parents: 11685
diff changeset
782 function interface:defaultoptions()
11689
f9f6e82fb572 net.server_epoll: Add setting for disabling the Nagle algorithm
Kim Alvefur <zash@zash.se>
parents: 11688
diff changeset
783 if cfg.nagle == false then
f9f6e82fb572 net.server_epoll: Add setting for disabling the Nagle algorithm
Kim Alvefur <zash@zash.se>
parents: 11688
diff changeset
784 self:setoption("tcp-nodelay", true);
f9f6e82fb572 net.server_epoll: Add setting for disabling the Nagle algorithm
Kim Alvefur <zash@zash.se>
parents: 11688
diff changeset
785 end
11687
153d2fdd97d3 net.server_epoll: Add way to enable TCP keeplives on all connections
Kim Alvefur <zash@zash.se>
parents: 11686
diff changeset
786 if cfg.tcp_keepalive then
153d2fdd97d3 net.server_epoll: Add way to enable TCP keeplives on all connections
Kim Alvefur <zash@zash.se>
parents: 11686
diff changeset
787 self:setoption("keepalive", true);
11688
3fc564f7441b net.server_epoll: Support setting keepalive idle time
Kim Alvefur <zash@zash.se>
parents: 11687
diff changeset
788 if type(cfg.tcp_keepalive) == "number" then
3fc564f7441b net.server_epoll: Support setting keepalive idle time
Kim Alvefur <zash@zash.se>
parents: 11687
diff changeset
789 self:setoption("tcp-keepidle", cfg.tcp_keepalive);
3fc564f7441b net.server_epoll: Support setting keepalive idle time
Kim Alvefur <zash@zash.se>
parents: 11687
diff changeset
790 end
11687
153d2fdd97d3 net.server_epoll: Add way to enable TCP keeplives on all connections
Kim Alvefur <zash@zash.se>
parents: 11686
diff changeset
791 end
11686
f4c3dcc907d8 net.server_epoll: Add an (empty) method for setting socket options
Kim Alvefur <zash@zash.se>
parents: 11685
diff changeset
792 end
f4c3dcc907d8 net.server_epoll: Add an (empty) method for setting socket options
Kim Alvefur <zash@zash.se>
parents: 11685
diff changeset
793
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
794 function interface:pause()
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
795 self:noise("Pause reading");
11702
c206430e2643 net.server_epoll: Ensure timeouts match epoll flags
Kim Alvefur <zash@zash.se>
parents: 11701
diff changeset
796 self:setreadtimeout(false);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
797 return self:set(false);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
798 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
799
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
800 function interface:resume()
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
801 self:noise("Resume reading");
11702
c206430e2643 net.server_epoll: Ensure timeouts match epoll flags
Kim Alvefur <zash@zash.se>
parents: 11701
diff changeset
802 self:setreadtimeout();
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
803 return self:set(true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
804 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
805
7624
23fb3a084956 net.server_epoll: Comments
Kim Alvefur <zash@zash.se>
parents: 7623
diff changeset
806 -- Pause connection for some time
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
807 function interface:pausefor(t)
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
808 self:noise("Pause for %fs", t);
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
809 if self._pausefor then
10985
758ce12586de net.server_epoll: Optimize away table allocation for timer objects
Kim Alvefur <zash@zash.se>
parents: 10984
diff changeset
810 closetimer(self._pausefor);
758ce12586de net.server_epoll: Optimize away table allocation for timer objects
Kim Alvefur <zash@zash.se>
parents: 10984
diff changeset
811 self._pausefor = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
812 end
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
813 if t == false then return; end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
814 self:set(false);
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
815 self._pausefor = addtimer(t, function ()
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
816 self._pausefor = nil;
9994
524b8cd76780 net.server_epoll: Restore wantread flag after pause (fixes #1354)
Kim Alvefur <zash@zash.se>
parents: 9932
diff changeset
817 self:set(true);
11743
856dada099fa net.server_epoll: Split, attempt to clarify dirty noise message
Kim Alvefur <zash@zash.se>
parents: 11741
diff changeset
818 self:noise("Resuming after pause");
7707
7bb1cc7278b6 net.server_epoll: Make sure socket exists before checking if there is buffered data in it
Kim Alvefur <zash@zash.se>
parents: 7691
diff changeset
819 if self.conn and self.conn:dirty() then
11743
856dada099fa net.server_epoll: Split, attempt to clarify dirty noise message
Kim Alvefur <zash@zash.se>
parents: 11741
diff changeset
820 self:noise("Have buffered incoming data to process");
7560
785fa1138293 net.server_epoll: Continue reading after a slight delay if there is buffered data after a read
Kim Alvefur <zash@zash.se>
parents: 7559
diff changeset
821 self:onreadable();
785fa1138293 net.server_epoll: Continue reading after a slight delay if there is buffered data after a read
Kim Alvefur <zash@zash.se>
parents: 7559
diff changeset
822 end
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
823 end);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
824 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
825
10098
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
826 function interface:setlimit(Bps)
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
827 if Bps > 0 then
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
828 self._limit = 1/Bps;
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
829 else
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
830 self._limit = nil;
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
831 end
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
832 end
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
833
9581
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
834 function interface:pause_writes()
10300
78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state
Kim Alvefur <zash@zash.se>
parents: 10289
diff changeset
835 if self._write_lock then
78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state
Kim Alvefur <zash@zash.se>
parents: 10289
diff changeset
836 return
78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state
Kim Alvefur <zash@zash.se>
parents: 10289
diff changeset
837 end
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
838 self:noise("Pause writes");
9581
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
839 self._write_lock = true;
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
840 self:setwritetimeout(false);
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
841 self:set(nil, false);
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
842 end
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
843
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
844 function interface:resume_writes()
10300
78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state
Kim Alvefur <zash@zash.se>
parents: 10289
diff changeset
845 if not self._write_lock then
78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state
Kim Alvefur <zash@zash.se>
parents: 10289
diff changeset
846 return
78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state
Kim Alvefur <zash@zash.se>
parents: 10289
diff changeset
847 end
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
848 self:noise("Resume writes");
9581
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
849 self._write_lock = nil;
11697
6c3d8aa3bbd9 net.server_epoll: Avoid allocating a buffer table for single writes
Kim Alvefur <zash@zash.se>
parents: 11696
diff changeset
850 if self.writebuffer and (self.writebuffer[1] or type(self.writebuffer) == "string") then
9581
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
851 self:setwritetimeout();
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
852 self:set(nil, true);
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
853 end
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
854 end
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
855
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
856 -- Connected!
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
857 function interface:onconnect()
10638
92918212ee83 net.server_epoll: Different error to distinguish connection timeout
Kim Alvefur <zash@zash.se>
parents: 10589
diff changeset
858 self._connected = true;
9594
dcf466e04f81 net.server_epoll: Use method to update peername on connect
Kim Alvefur <zash@zash.se>
parents: 9587
diff changeset
859 self:updatenames();
10331
76bd77ad6a2a server_epoll: Log full string represestation when connected
Kim Alvefur <zash@zash.se>
parents: 10330
diff changeset
860 self:debug("Connected (%s)", self);
8540
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents: 8507
diff changeset
861 self.onconnect = noop;
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents: 8507
diff changeset
862 self:on("connect");
8506
174fd716c9fa server_epoll: Rework how socket readyness is detected
Kim Alvefur <zash@zash.se>
parents: 8271
diff changeset
863 end
174fd716c9fa server_epoll: Rework how socket readyness is detected
Kim Alvefur <zash@zash.se>
parents: 8271
diff changeset
864
10861
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket
Kim Alvefur <zash@zash.se>
parents: 10854
diff changeset
865 local function wrapserver(conn, addr, port, listeners, config)
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
866 local server = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
867 conn = conn;
10492
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling
Kim Alvefur <zash@zash.se>
parents: 10491
diff changeset
868 created = realtime();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
869 listeners = listeners;
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9825
diff changeset
870 read_size = config and config.read_size;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
871 onreadable = interface.onacceptable;
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9825
diff changeset
872 tls_ctx = config and config.tls_ctx;
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9825
diff changeset
873 tls_direct = config and config.tls_direct;
9847
adc0672b700e net.server_epoll: Add support for SNI (#409)
Kim Alvefur <zash@zash.se>
parents: 9835
diff changeset
874 hosts = config and config.sni_hosts;
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
875 sockname = addr;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
876 sockport = port;
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
877 log = logger.init(("serv%s"):format(new_id()));
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
878 }, interface_mt);
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
879 server:debug("Server %s created", server);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
880 server:add(true, false);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
881 return server;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
882 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
883
10861
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket
Kim Alvefur <zash@zash.se>
parents: 10854
diff changeset
884 local function listen(addr, port, listeners, config)
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
885 local conn, err = socket.bind(addr, port, cfg.tcp_backlog);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
886 if not conn then return conn, err; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
887 conn:settimeout(0);
10861
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket
Kim Alvefur <zash@zash.se>
parents: 10854
diff changeset
888 return wrapserver(conn, addr, port, listeners, config);
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket
Kim Alvefur <zash@zash.se>
parents: 10854
diff changeset
889 end
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket
Kim Alvefur <zash@zash.se>
parents: 10854
diff changeset
890
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
891 -- COMPAT
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9825
diff changeset
892 local function addserver(addr, port, listeners, read_size, tls_ctx)
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9825
diff changeset
893 return listen(addr, port, listeners, {
9310
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
894 read_size = read_size;
9300
1df8832bd29e net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents: 8983
diff changeset
895 tls_ctx = tls_ctx;
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
896 tls_direct = tls_ctx and true or false;
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9825
diff changeset
897 });
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
898 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
899
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
900 -- COMPAT
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
901 local function wrapclient(conn, addr, port, listeners, read_size, tls_ctx, extra)
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
902 local client = wrapsocket(conn, nil, read_size, listeners, tls_ctx, extra);
7597
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
903 if not client.peername then
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
904 client.peername, client.peerport = addr, port;
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
905 end
9473
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
906 local ok, err = client:init();
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
907 if not ok then return ok, err; end
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
908 if tls_ctx then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
909 client:starttls(tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
910 end
7551
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
911 return client;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
912 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
913
7800
dadf9ba290c5 server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents: 7799
diff changeset
914 -- New outgoing TCP connection
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
915 local function addclient(addr, port, listeners, read_size, tls_ctx, typ, extra)
9497
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
916 local create;
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
917 if not typ then
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
918 local n = inet_pton(addr);
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
919 if not n then return nil, "invalid-ip"; end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
920 if #n == 16 then
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
921 typ = "tcp6";
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
922 else
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
923 typ = "tcp4";
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
924 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
925 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
926 if typ then
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
927 create = socket[typ];
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
928 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
929 if type(create) ~= "function" then
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
930 return nil, "invalid socket type";
9473
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
931 end
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
932 local conn, err = create();
10082
1df53ef1f60d net.server_epoll: Return errors from creating sockets
Kim Alvefur <zash@zash.se>
parents: 10081
diff changeset
933 if not conn then return conn, err; end
9498
cc593002f2e2 net.server_epoll: Check return conditions of early socket setup
Kim Alvefur <zash@zash.se>
parents: 9497
diff changeset
934 local ok, err = conn:settimeout(0);
cc593002f2e2 net.server_epoll: Check return conditions of early socket setup
Kim Alvefur <zash@zash.se>
parents: 9497
diff changeset
935 if not ok then return ok, err; end
9499
36e379f058c8 net.server: Swich method for connecting sockets with remotes
Kim Alvefur <zash@zash.se>
parents: 9498
diff changeset
936 local ok, err = conn:setpeername(addr, port);
9498
cc593002f2e2 net.server_epoll: Check return conditions of early socket setup
Kim Alvefur <zash@zash.se>
parents: 9497
diff changeset
937 if not ok and err ~= "timeout" then return ok, err; end
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
938 local client = wrapsocket(conn, nil, read_size, listeners, tls_ctx, extra)
9473
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
939 local ok, err = client:init();
10332
e05ea8223b32 net.server_epoll: Save IP and port from connection creation call
Kim Alvefur <zash@zash.se>
parents: 10331
diff changeset
940 if not client.peername then
e05ea8223b32 net.server_epoll: Save IP and port from connection creation call
Kim Alvefur <zash@zash.se>
parents: 10331
diff changeset
941 -- otherwise not set until connected
e05ea8223b32 net.server_epoll: Save IP and port from connection creation call
Kim Alvefur <zash@zash.se>
parents: 10331
diff changeset
942 client.peername, client.peerport = addr, port;
e05ea8223b32 net.server_epoll: Save IP and port from connection creation call
Kim Alvefur <zash@zash.se>
parents: 10331
diff changeset
943 end
9473
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
944 if not ok then return ok, err; end
10328
5c2b31c823b9 net.server_epoll: Move a log message to improve ordering
Kim Alvefur <zash@zash.se>
parents: 10309
diff changeset
945 client:debug("Client %s created", client);
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
946 if tls_ctx then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
947 client:starttls(tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
948 end
7556
1f777b38b66c net.server_epoll: Make addclient conform to API (expected by net.http.request)
Kim Alvefur <zash@zash.se>
parents: 7555
diff changeset
949 return client, conn;
7553
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
950 end
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
951
9319
7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents: 9314
diff changeset
952 local function watchfd(fd, onreadable, onwritable)
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
953 local conn = setmetatable({
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
954 conn = fd;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
955 onreadable = onreadable;
9319
7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents: 9314
diff changeset
956 onwritable = onwritable;
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
957 close = function (self)
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
958 self:del();
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
959 end
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
960 }, interface_mt);
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
961 if type(fd) == "number" then
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
962 conn.getfd = function ()
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
963 return fd;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
964 end;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
965 -- Otherwise it'll need to be something LuaSocket-compatible
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
966 end
10420
49a828819696 net.server_epoll: Save log tag in a field on FD watchers too
Kim Alvefur <zash@zash.se>
parents: 10419
diff changeset
967 conn.id = new_id();
49a828819696 net.server_epoll: Save log tag in a field on FD watchers too
Kim Alvefur <zash@zash.se>
parents: 10419
diff changeset
968 conn.log = logger.init(("fdwatch%s"):format(conn.id));
9319
7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents: 9314
diff changeset
969 conn:add(onreadable, onwritable);
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
970 return conn;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
971 end;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
972
7800
dadf9ba290c5 server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents: 7799
diff changeset
973 -- Dump all data from one connection into another
10283
dff360d00dfa net.server_epoll: Handle read size argument to link
Kim Alvefur <zash@zash.se>
parents: 10282
diff changeset
974 local function link(from, to, read_size)
10280
6b8b255f1d10 net.server_epoll: Add debug logging for various connection events
Kim Alvefur <zash@zash.se>
parents: 10279
diff changeset
975 from:debug("Linking to %s", to.id);
10284
cd669975031b net.server_epoll: Fix link function to not replace listeners
Kim Alvefur <zash@zash.se>
parents: 10283
diff changeset
976 function from:onincoming(data)
cd669975031b net.server_epoll: Fix link function to not replace listeners
Kim Alvefur <zash@zash.se>
parents: 10283
diff changeset
977 self:pause();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
978 to:write(data);
10284
cd669975031b net.server_epoll: Fix link function to not replace listeners
Kim Alvefur <zash@zash.se>
parents: 10283
diff changeset
979 end
10285
bcf61e22f841 net.server_epoll: Ignore unused self argument [luacheck]
Kim Alvefur <zash@zash.se>
parents: 10284
diff changeset
980 function to:ondrain() -- luacheck: ignore 212/self
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
981 from:resume();
10284
cd669975031b net.server_epoll: Fix link function to not replace listeners
Kim Alvefur <zash@zash.se>
parents: 10283
diff changeset
982 end
10283
dff360d00dfa net.server_epoll: Handle read size argument to link
Kim Alvefur <zash@zash.se>
parents: 10282
diff changeset
983 from:set_mode(read_size);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
984 from:set(true, nil);
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
985 to:set(nil, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
986 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
987
9438
916bee81eb7e net.server_epoll: Make :set_send a noop, should fix net.adns
Kim Alvefur <zash@zash.se>
parents: 9432
diff changeset
988 -- COMPAT
916bee81eb7e net.server_epoll: Make :set_send a noop, should fix net.adns
Kim Alvefur <zash@zash.se>
parents: 9432
diff changeset
989 -- net.adns calls this but then replaces :send so this can be a noop
9439
988392a56495 net.server_epoll: Fix luacheck annotation
Kim Alvefur <zash@zash.se>
parents: 9438
diff changeset
990 function interface:set_send(new_send) -- luacheck: ignore 212
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
991 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
992
7800
dadf9ba290c5 server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents: 7799
diff changeset
993 -- Close all connections and servers
7794
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
994 local function closeall()
7799
93643a61858a server_epoll: Ignore unused loop variable [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7797
diff changeset
995 for fd, conn in pairs(fds) do -- luacheck: ignore 213/fd
7794
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
996 conn:close();
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
997 end
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
998 end
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
999
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1000 local quitting = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1001
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
1002 -- Signal main loop about shutdown via above upvalue
7796
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
1003 local function setquitting(quit)
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
1004 if quit then
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
1005 quitting = "quitting";
7797
d0c32d86724f server_epoll: Flush and close all connections before quitting mainloop so no data is lost in buffers
Kim Alvefur <zash@zash.se>
parents: 7796
diff changeset
1006 closeall();
7796
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
1007 else
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
1008 quitting = nil;
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
1009 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1010 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1011
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
1012 -- Main loop
7795
03081bd5c5bb net.server_epoll: Add the 'once' argument to loop for parity with server_select
Kim Alvefur <zash@zash.se>
parents: 7794
diff changeset
1013 local function loop(once)
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1014 repeat
7658
e14a124c4d73 net.server_epoll: Make minimum poll wait time configurable
Kim Alvefur <zash@zash.se>
parents: 7657
diff changeset
1015 local t = runtimers(cfg.max_wait, cfg.min_wait);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
1016 local fd, r, w = poll:wait(t);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1017 if fd then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1018 local conn = fds[fd];
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1019 if conn then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1020 if r then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1021 conn:onreadable();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1022 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1023 if w then
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
1024 conn:onwritable();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1025 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1026 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1027 log("debug", "Removing unknown fd %d", fd);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
1028 poll:del(fd);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1029 end
9508
2055b497b515 net.server_epoll: Special handling of signal interrupts
Kim Alvefur <zash@zash.se>
parents: 9507
diff changeset
1030 elseif r ~= "timeout" and r ~= "signal" then
9445
af7eafe82447 net.server_epoll: Log error number from wait()
Kim Alvefur <zash@zash.se>
parents: 9441
diff changeset
1031 log("debug", "epoll_wait error: %s[%d]", r, w);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1032 end
7797
d0c32d86724f server_epoll: Flush and close all connections before quitting mainloop so no data is lost in buffers
Kim Alvefur <zash@zash.se>
parents: 7796
diff changeset
1033 until once or (quitting and next(fds) == nil);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1034 return quitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1035 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1036
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1037 return {
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1038 get_backend = function () return "epoll"; end;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1039 addserver = addserver;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1040 addclient = addclient;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1041 add_task = addtimer;
10983
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
1042 timer = {
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
1043 -- API-compatible with util.timer
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
1044 add_task = addtimer;
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
1045 stop = closetimer;
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
1046 reschedule = reschedule;
10987
62355b801772 net.server_epoll: Expose way to turn monotonic time into wall clock time
Kim Alvefur <zash@zash.se>
parents: 10985
diff changeset
1047 to_absolute_time = function (t)
62355b801772 net.server_epoll: Expose way to turn monotonic time into wall clock time
Kim Alvefur <zash@zash.se>
parents: 10985
diff changeset
1048 return t-monotonic()+realtime();
62355b801772 net.server_epoll: Expose way to turn monotonic time into wall clock time
Kim Alvefur <zash@zash.se>
parents: 10985
diff changeset
1049 end;
10983
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
1050 };
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9825
diff changeset
1051 listen = listen;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1052 loop = loop;
7794
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
1053 closeall = closeall;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1054 setquitting = setquitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1055 wrapclient = wrapclient;
10861
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket
Kim Alvefur <zash@zash.se>
parents: 10854
diff changeset
1056 wrapserver = wrapserver;
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
1057 watchfd = watchfd;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1058 link = link;
7657
252823632401 net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents: 7637
diff changeset
1059 set_config = function (newconfig)
252823632401 net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents: 7637
diff changeset
1060 cfg = setmetatable(newconfig, default_config);
252823632401 net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents: 7637
diff changeset
1061 end;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1062
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1063 -- libevent emulation
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1064 event = { EV_READ = "r", EV_WRITE = "w", EV_READWRITE = "rw", EV_LEAVE = -1 };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1065 addevent = function (fd, mode, callback)
10088
97da8452c6a6 net.server_epoll: Deprecate libevent emulation layer
Kim Alvefur <zash@zash.se>
parents: 10082
diff changeset
1066 log("warn", "Using deprecated libevent emulation, please update code to use watchfd API instead");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1067 local function onevent(self)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1068 local ret = self:callback();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1069 if ret == -1 then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
1070 self:set(false, false);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1071 elseif ret then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
1072 self:set(mode == "r" or mode == "rw", mode == "w" or mode == "rw");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1073 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1074 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1075
7817
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
1076 local conn = setmetatable({
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
1077 getfd = function () return fd; end;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1078 callback = callback;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1079 onreadable = onevent;
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
1080 onwritable = onevent;
7817
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
1081 close = function (self)
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
1082 self:del();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1083 fds[fd] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1084 end;
7817
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
1085 }, interface_mt);
10420
49a828819696 net.server_epoll: Save log tag in a field on FD watchers too
Kim Alvefur <zash@zash.se>
parents: 10419
diff changeset
1086 conn.id = conn:getfd();
49a828819696 net.server_epoll: Save log tag in a field on FD watchers too
Kim Alvefur <zash@zash.se>
parents: 10419
diff changeset
1087 conn.log = logger.init(("fdwatch%d"):format(conn.id));
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
1088 local ok, err = conn:add(mode == "r" or mode == "rw", mode == "w" or mode == "rw");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1089 if not ok then return ok, err; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1090 return conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1091 end;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1092 };