prosody
8985efc6792d
net/server_epoll.lua

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net/server_epoll.lua @ 11595:8985efc6792d

net.server_epoll: Add missing method for changing TLS context Supported by the other net.server implementations already, but not used anywhere in Prosody.
author Kim Alvefur <zash@zash.se>
date Thu, 10 Jun 2021 13:48:20 -0003
parent 11592:64cfa396bb84
child 11658:36942fa001b4
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 LuaSocktes 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 = 1e-06;
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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 local cfg = default_config.__index;
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85
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86 local fds = createtable(10, 0); -- FD -> conn
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87
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88 -- Timer and scheduling --
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89
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90 local timers = indexedbheap.create();
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91
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92 local function noop() end
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93 local function closetimer(id)
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94 timers:remove(id);
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95 end
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96
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97 local function reschedule(id, time)
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98 time = monotonic() + time;
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99 timers:reprioritize(id, time);
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100 end
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101
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102 -- Add relative timer
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103 local function addtimer(timeout, f, param)
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104 local time = monotonic() + timeout;
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105 if param ~= nil then
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106 local timer_callback = f
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107 function f(current_time, timer_id)
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108 local t = timer_callback(current_time, timer_id, param)
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109 return t;
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110 end
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111 end
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112 local id = timers:insert(f, time);
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113 return id;
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114 end
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115
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116 -- Run callbacks of expired timers
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117 -- Return time until next timeout
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118 local function runtimers(next_delay, min_wait)
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119 -- Any timers at all?
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120 local elapsed = monotonic();
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121 local now = realtime();
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122 local peek = timers:peek();
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123 local readd;
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124 while peek do
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125
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126 if peek > elapsed then
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127 break;
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128 end
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129
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130 local _, timer, id = timers:pop();
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131 local ok, ret = xpcall(timer, traceback, now, id);
10059
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
132 if ok and type(ret) == "number" then
10492
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling
Kim Alvefur <zash@zash.se>
parents: 10491
diff changeset
133 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
134 -- 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
135 -- 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
136 if readd then
11264
2cdcf55c6dd5 Merge 0.11->trunk
Kim Alvefur <zash@zash.se>
parents: 11239 11262
diff changeset
137 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
138 else
11264
2cdcf55c6dd5 Merge 0.11->trunk
Kim Alvefur <zash@zash.se>
parents: 11239 11262
diff changeset
139 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
140 end
10989
b824fe9d0c8b net.server_epoll: Report errors in timers
Kim Alvefur <zash@zash.se>
parents: 10987
diff changeset
141 elseif not ok then
b824fe9d0c8b net.server_epoll: Report errors in timers
Kim Alvefur <zash@zash.se>
parents: 10987
diff changeset
142 log("error", "Error in timer: %s", ret);
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 peek = timers:peek();
10681
e531273341d3 net.server_epoll: Fix indentation
Kim Alvefur <zash@zash.se>
parents: 10059
diff changeset
146 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
147
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
148 if readd then
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
149 for _, timer in pairs(readd) do
11264
2cdcf55c6dd5 Merge 0.11->trunk
Kim Alvefur <zash@zash.se>
parents: 11239 11262
diff changeset
150 timers:insert(timer[1], timer[2]);
11262
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
151 end
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
152 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
153 end
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick
Kim Alvefur <zash@zash.se>
parents: 11063
diff changeset
154
10059
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
155 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
156 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
157 else
11264
2cdcf55c6dd5 Merge 0.11->trunk
Kim Alvefur <zash@zash.se>
parents: 11239 11262
diff changeset
158 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
159 end
0fcde9869cc1 net.server_epoll: Return early in the event of zero timers
Kim Alvefur <zash@zash.se>
parents: 7628
diff changeset
160
10059
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents: 9994
diff changeset
161 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
162 return min_wait;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
163 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
164 return next_delay;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
165 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
167 -- Socket handler interface
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
168
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
169 local interface = {};
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170 local interface_mt = { __index = interface };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
171
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
172 function interface_mt:__tostring()
7585
b64218c816de net.server_epoll: Improve string representation of connections
Kim Alvefur <zash@zash.se>
parents: 7584
diff changeset
173 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
174 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
175 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
176 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
177 end
9321
146dc1e4c7ff net.server_epoll: Simplify minimal string representation
Kim Alvefur <zash@zash.se>
parents: 9320
diff changeset
178 return ("FD %d"):format(self:getfd());
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
181 interface.log = log;
11497
960674938665 net.server_epoll: Remove unnecessary luacheck annotations
Kim Alvefur <zash@zash.se>
parents: 11413
diff changeset
182 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
183 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
184 end
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
185
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
186 interface.noise = interface.debug;
11497
960674938665 net.server_epoll: Remove unnecessary luacheck annotations
Kim Alvefur <zash@zash.se>
parents: 11413
diff changeset
187 function interface:noise(msg, ...)
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
188 if cfg.verbose then
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
189 return self:debug(msg, ...);
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
190 end
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
191 end
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
192
11497
960674938665 net.server_epoll: Remove unnecessary luacheck annotations
Kim Alvefur <zash@zash.se>
parents: 11413
diff changeset
193 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
194 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
195 end
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
196
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
197 -- 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
198 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
199 self:on("detach");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 self.listeners = listeners;
9387
33e52f727f0f net.connect: Fix passing request table to new listener
Kim Alvefur <zash@zash.se>
parents: 9385
diff changeset
201 self:on("attach", data);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
202 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
203
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
204 -- 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
205 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
206 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
207 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
208 return;
be374a5778f3 net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
parents: 7910
diff changeset
209 end
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
210 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
211 if not listener then
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
212 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
213 return;
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
214 end
10992
df3ee12acd8c net.server_epoll: Add setting for turning off callback protections
Kim Alvefur <zash@zash.se>
parents: 10991
diff changeset
215 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
216 return listener(self, ...);
df3ee12acd8c net.server_epoll: Add setting for turning off callback protections
Kim Alvefur <zash@zash.se>
parents: 10991
diff changeset
217 end
10991
aa85cb5b859f net.server_epoll: Allow setting a custom error handler for listener
Kim Alvefur <zash@zash.se>
parents: 10990
diff changeset
218 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
219 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
220 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
221 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
222 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
223 self:destroy();
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
224 else
11239
06a5919e2496 net.server_epoll: Increase log level for error in callback
Kim Alvefur <zash@zash.se>
parents: 11068
diff changeset
225 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
226 end
10080
39ca4202ae1e net.server_epoll: Return listener error message
Kim Alvefur <zash@zash.se>
parents: 10061
diff changeset
227 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
228 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
229 return err;
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
230 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
231
10278
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data
Kim Alvefur <zash@zash.se>
parents: 10234
diff changeset
232 -- 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
233 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
234 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
235 end
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data
Kim Alvefur <zash@zash.se>
parents: 10234
diff changeset
236
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
237 -- Return the file descriptor number
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
238 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
239 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
240 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
241 end
7737
f93b3083b46b net.server_epoll: Use _SOCKETINVALID from LuaSocket
Kim Alvefur <zash@zash.se>
parents: 7707
diff changeset
242 return _SOCKETINVALID;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
243 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
244
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
245 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
246 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
247 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
248
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
249 -- Get IP address
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
250 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
251 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
252 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
253
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
254 -- 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
255 function interface:port()
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
256 return self.sockport or self.peerport;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
257 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
258
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
259 -- Get local port number
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
260 function interface:clientport()
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
261 return self.sockport;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
262 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
263
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
264 -- Get remote port
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
265 function interface:serverport()
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
266 if self.sockport then
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
267 return self.sockport;
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
268 elseif self._server then
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
269 self._server:port();
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
270 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
271 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
272
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
273 -- Return underlying socket
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
274 function interface:socket()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
275 return self.conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
276 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
277
7910
91db637be237 net.server_epoll: Add method for changing read pattern
Kim Alvefur <zash@zash.se>
parents: 7817
diff changeset
278 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
279 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
280 end
91db637be237 net.server_epoll: Add method for changing read pattern
Kim Alvefur <zash@zash.se>
parents: 7817
diff changeset
281
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
282 function interface:setoption(k, v)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
283 -- LuaSec doesn't expose setoption :(
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
284 if self.conn.setoption then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
285 self.conn:setoption(k, v);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
286 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
287 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
288
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
289 -- Timeout for detecting dead or idle sockets
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
290 function interface:setreadtimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
291 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
292 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
293 closetimer(self._readtimeout);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
294 self._readtimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
295 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
296 return
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
297 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
298 t = t or cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
299 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
300 reschedule(self._readtimeout, t);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
301 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
302 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
303 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
304 self:noise("Read timeout handled");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
305 return cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
306 else
10417
d8a0b0d21c81 net.server_epoll: Improve read timeout debug messages
Kim Alvefur <zash@zash.se>
parents: 10416
diff changeset
307 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
308 self:on("disconnect", "read timeout");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
309 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
310 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
311 end);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
312 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
313 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
314
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
315 -- Timeout for detecting dead sockets
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
316 function interface:setwritetimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
317 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
318 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
319 closetimer(self._writetimeout);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
320 self._writetimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
321 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
322 return
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
323 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
324 t = t or cfg.send_timeout;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
325 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
326 reschedule(self._writetimeout, t);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
327 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
328 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
329 self:noise("Write timeout");
10638
92918212ee83 net.server_epoll: Different error to distinguish connection timeout
Kim Alvefur <zash@zash.se>
parents: 10589
diff changeset
330 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
331 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
332 end);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
333 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
334 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
335
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
336 function interface:add(r, w)
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
337 local fd = self:getfd();
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
338 if fd < 0 then
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
339 return nil, "invalid fd";
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
340 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
341 if r == nil then r = self._wantread; end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
342 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
343 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
344 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
345 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
346 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
347 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
348 end
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
349 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
350 return ok, err;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
351 end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
352 self._wantread, self._wantwrite = r, w;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
353 fds[fd] = self;
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
354 self:noise("Registered in poller");
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
355 return true;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
356 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
357
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
358 function interface:set(r, w)
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
359 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
360 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
361 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
362 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
363 if r == nil then r = self._wantread; end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
364 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
365 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
366 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
367 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
368 return ok, err;
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 self._wantread, self._wantwrite = r, w;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
371 return true;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
372 end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
373
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
374 function interface:del()
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
375 local fd = self:getfd();
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
376 if fd < 0 then
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
377 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
378 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
379 if fds[fd] ~= self then
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
380 return nil, "unregistered fd";
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
381 end
9384
5c8006ce8cb8 net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents: 9383
diff changeset
382 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
383 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
384 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
385 return ok, err;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
386 end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
387 self._wantread, self._wantwrite = nil, nil;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
388 fds[fd] = nil;
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
389 self:noise("Unregistered from poller");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
390 return true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
391 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
392
9320
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
393 function interface:setflags(r, w)
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
394 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
395 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
396 return true; -- no change
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
397 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
398 return self:add(r, w);
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
399 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
400 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
401 return self:del();
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
402 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
403 return self:set(r, w);
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
404 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
405
7573
0f0a6febbc5a net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents: 7564
diff changeset
406 -- Called when socket is readable
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
407 function interface:onreadable()
9311
9b0604fe01f1 net.server_epoll: Make read_size a server-wide option
Kim Alvefur <zash@zash.se>
parents: 9310
diff changeset
408 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
409 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
410 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
411 self:onincoming(data);
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
412 else
9931
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
413 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
414 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
415 err = "timeout";
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
416 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
417 self:set(nil, true);
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
418 err = "timeout";
11592
64cfa396bb84 net.server_epoll: Fix reporting of socket connect timeout
Kim Alvefur <zash@zash.se>
parents: 11497
diff changeset
419 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
420 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
421 end
8540
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents: 8507
diff changeset
422 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
423 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
424 self:onincoming(partial, err);
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
425 end
9931
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents: 9822
diff changeset
426 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
427 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
428 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
429 else
05fefde93036 net.server_epoll: Log debug message when a connection errors on read
Kim Alvefur <zash@zash.se>
parents: 10992
diff changeset
430 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
431 end
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
432 self:on("disconnect", err);
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
433 self:destroy()
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
434 return;
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
435 end
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
436 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
437 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
438 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
439 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
440 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
441 self:setreadtimeout(false);
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
442 self:pausefor(cost);
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
443 return;
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
444 end
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
445 end
9932
df73ca804719 net.server_epoll: Skip delayed continuation read on paused connections
Kim Alvefur <zash@zash.se>
parents: 9931
diff changeset
446 if self._wantread and 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
447 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
448 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
449 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
450 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
451 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
452 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
453
7573
0f0a6febbc5a net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents: 7564
diff changeset
454 -- Called when socket is writable
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
455 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
456 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
457 if not self.conn then return; end -- could have been closed in onconnect
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
458 local buffer = self.writebuffer;
10571
cfeb0077c9e9 net.server_epoll: Avoid concatenating buffer with single item
Kim Alvefur <zash@zash.se>
parents: 10546
diff changeset
459 local data = #buffer == 1 and buffer[1] or t_concat(buffer);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
460 local ok, err, partial = self.conn:send(data);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
461 if ok then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
462 self:set(nil, false);
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
463 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
464 buffer[i] = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
465 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
466 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
467 self:ondrain(); -- Be aware of writes in ondrain
7589
125e4f2e0b65 net.server_epoll: Return early on successful write
Kim Alvefur <zash@zash.se>
parents: 7588
diff changeset
468 return;
8540
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents: 8507
diff changeset
469 elseif partial then
10305
2fadbf209678 net.server_epoll: Log size of partial writes (debug)
Kim Alvefur <zash@zash.se>
parents: 10300
diff changeset
470 self:debug("Sent %d out of %d buffered bytes", partial, #data);
7591
138f16eb39fb net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents: 7590
diff changeset
471 buffer[1] = data:sub(partial+1);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
472 for i = #buffer, 2, -1 do
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
473 buffer[i] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
474 end
10228
e77bf4222fae net.server_epoll: Add support for opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 10098
diff changeset
475 self:set(nil, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
476 self:setwritetimeout();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
477 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
478 if err == "wantwrite" or err == "timeout" then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
479 self:set(nil, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
480 elseif err == "wantread" then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
481 self:set(true, nil);
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
482 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
483 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
484 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
485 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
486 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
487
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
488 -- The write buffer has been successfully emptied
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
489 function interface:ondrain()
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
490 return self:on("drain");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
491 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
492
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
493 -- 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
494 function interface:write(data)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
495 local buffer = self.writebuffer;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
496 if buffer then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
497 t_insert(buffer, data);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
498 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
499 self.writebuffer = { data };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
500 end
9581
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
501 if not self._write_lock then
10228
e77bf4222fae net.server_epoll: Add support for opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 10098
diff changeset
502 if cfg.opportunistic_writes then
e77bf4222fae net.server_epoll: Add support for opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 10098
diff changeset
503 self:onwritable();
e77bf4222fae net.server_epoll: Add support for opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 10098
diff changeset
504 return #data;
e77bf4222fae net.server_epoll: Add support for opportunistic writes
Kim Alvefur <zash@zash.se>
parents: 10098
diff changeset
505 end
9581
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
506 self:setwritetimeout();
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
507 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
508 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
509 return #data;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
510 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
511 interface.send = interface.write;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
512
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
513 -- Close, possibly after writing is done
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
514 function interface:close()
8007
67f8954875a4 net.server_epoll: Check write buffer for remaining data to write when closing
Kim Alvefur <zash@zash.se>
parents: 8006
diff changeset
515 if self.writebuffer and self.writebuffer[1] then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
516 self:set(false, true); -- Flush final buffer contents
7593
0266434d7df1 net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents: 7592
diff changeset
517 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
518 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
519 self.ondrain = interface.close;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
520 else
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
521 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
522 self.write, self.send = noop, noop;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
523 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
524 self:on("disconnect");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
525 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
526 end
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
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
529 function interface:destroy()
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
530 self:del();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
531 self:setwritetimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
532 self:setreadtimeout(false);
7594
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
533 self.onreadable = noop;
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
534 self.onwritable = noop;
7594
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
535 self.destroy = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
536 self.close = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
537 self.on = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
538 self.conn:close();
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
539 self.conn = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
540 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
541
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
542 function interface:ssl()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
543 return self._tls;
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
11595
8985efc6792d net.server_epoll: Add missing method for changing TLS context
Kim Alvefur <zash@zash.se>
parents: 11592
diff changeset
546 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
547 self._sslctx = sslctx;
8985efc6792d net.server_epoll: Add missing method for changing TLS context
Kim Alvefur <zash@zash.se>
parents: 11592
diff changeset
548 end
8985efc6792d net.server_epoll: Add missing method for changing TLS context
Kim Alvefur <zash@zash.se>
parents: 11592
diff changeset
549
9300
1df8832bd29e net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents: 8983
diff changeset
550 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
551 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
552 self.starttls = false;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
553 if self.writebuffer and self.writebuffer[1] then
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
554 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
555 self.ondrain = interface.starttls;
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
556 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
557 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
558 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
559 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
560 end
10847
42c8dce6e765 net.server_epoll: Fix typo in internal method name
Kim Alvefur <zash@zash.se>
parents: 10846
diff changeset
561 self.onwritable = interface.tlshandshake;
42c8dce6e765 net.server_epoll: Fix typo in internal method name
Kim Alvefur <zash@zash.se>
parents: 10846
diff changeset
562 self.onreadable = 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
563 self:set(true, true);
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
564 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
565 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
566 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
567
10847
42c8dce6e765 net.server_epoll: Fix typo in internal method name
Kim Alvefur <zash@zash.se>
parents: 10846
diff changeset
568 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
569 self:setwritetimeout(false);
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
570 self:setreadtimeout(false);
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
571 if not self._tls then
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
572 self._tls = true;
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
573 self:debug("Starting TLS now");
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
574 self:del();
10329
c0a72c97e6cf net.server_epoll: Fix to get remote IP on direct TLS connections
Kim Alvefur <zash@zash.se>
parents: 10328
diff changeset
575 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
576 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
577 if not ok then
c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents: 9430
diff changeset
578 conn, err = ok, conn;
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
579 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
580 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
581 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
582 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
583 self:destroy();
7595
166b2e0766a4 net.server_epoll: Return status from starttls method
Kim Alvefur <zash@zash.se>
parents: 7594
diff changeset
584 return conn, err;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
585 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
586 conn:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
587 self.conn = conn;
9847
adc0672b700e net.server_epoll: Add support for SNI (#409)
Kim Alvefur <zash@zash.se>
parents: 9835
diff changeset
588 if conn.sni then
adc0672b700e net.server_epoll: Add support for SNI (#409)
Kim Alvefur <zash@zash.se>
parents: 9835
diff changeset
589 if self.servername then
adc0672b700e net.server_epoll: Add support for SNI (#409)
Kim Alvefur <zash@zash.se>
parents: 9835
diff changeset
590 conn:sni(self.servername);
9853
9aea8dbb105d net.server: Only add alternate SNI contexts if at least one is provided
Kim Alvefur <zash@zash.se>
parents: 9847
diff changeset
591 elseif self._server and type(self._server.hosts) == "table" and next(self._server.hosts) ~= nil then
9847
adc0672b700e net.server_epoll: Add support for SNI (#409)
Kim Alvefur <zash@zash.se>
parents: 9835
diff changeset
592 conn:sni(self._server.hosts, true);
adc0672b700e net.server_epoll: Add support for SNI (#409)
Kim Alvefur <zash@zash.se>
parents: 9835
diff changeset
593 end
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
594 end
11413
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
595 if self.extra and self.extra.tlsa and conn.settlsa then
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
596 -- TODO Error handling
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
597 if not conn:setdane(self.servername or self.extra.dane_hostname) then
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
598 self:debug("Could not enable DANE on connection");
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
599 else
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
600 self:debug("Enabling DANE with %d TLSA records", #self.extra.tlsa);
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
601 self:noise("DANE hostname is %q", self.servername or self.extra.dane_hostname);
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
602 for _, tlsa in ipairs(self.extra.tlsa) do
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
603 self:noise("TLSA: %q", tlsa);
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
604 conn:settlsa(tlsa.use, tlsa.select, tlsa.match, tlsa.data);
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
605 end
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
606 end
9fb23779c863 net.server_epoll: Support for passing DANE TLSA data to LuaSec (0.8 needed)
Kim Alvefur <zash@zash.se>
parents: 11267
diff changeset
607 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
608 self:on("starttls");
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
609 self.ondrain = nil;
10847
42c8dce6e765 net.server_epoll: Fix typo in internal method name
Kim Alvefur <zash@zash.se>
parents: 10846
diff changeset
610 self.onwritable = interface.tlshandshake;
42c8dce6e765 net.server_epoll: Fix typo in internal method name
Kim Alvefur <zash@zash.se>
parents: 10846
diff changeset
611 self.onreadable = interface.tlshandshake;
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
612 return self:init();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
613 end
10846
d0b098d0f6c3 net.server_epoll: Log some noise before TLS handshake step
Kim Alvefur <zash@zash.se>
parents: 10683
diff changeset
614 self:noise("Continuing TLS handshake");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
615 local ok, err = self.conn:dohandshake();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
616 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
617 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
618 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
619 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
620 else
6a997f0ceba8 net.server_epoll: Log TLS version and cipher for all completed handshakes
Kim Alvefur <zash@zash.se>
parents: 10305
diff changeset
621 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
622 end
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
623 self.onwritable = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
624 self.onreadable = nil;
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
625 self:on("status", "ssl-handshake-complete");
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
626 self:setwritetimeout();
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
627 self:set(true, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
628 elseif err == "wantread" then
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
629 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
630 self:set(true, false);
9822
13c2707d2417 net.server_epoll: Rename handshake_timeout to ssl_handshake_timeout (fixes #1319)
Kim Alvefur <zash@zash.se>
parents: 9821
diff changeset
631 self:setreadtimeout(cfg.ssl_handshake_timeout);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
632 elseif err == "wantwrite" then
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
633 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
634 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
635 self:setwritetimeout(cfg.ssl_handshake_timeout);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
636 else
10649
228277be4a28 net.server_epoll: Reduce log level of TLS handshake errors to debug
Kim Alvefur <zash@zash.se>
parents: 10638
diff changeset
637 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
638 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
639 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
640 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
641 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
642
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
643 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
644 client:settimeout(0);
10279
0e1701197722 net.server_epoll: Make log tag accessible as a field
Kim Alvefur <zash@zash.se>
parents: 10278
diff changeset
645 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
646 local conn = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
647 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
648 _server = server;
10492
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling
Kim Alvefur <zash@zash.se>
parents: 10491
diff changeset
649 created = realtime();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
650 listeners = listeners;
9310
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
651 read_size = read_size or (server and server.read_size);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
652 writebuffer = {};
9432
2e3f66475cc8 net.server_epoll: Inherit Direct TLS flag from servers to their clients
Kim Alvefur <zash@zash.se>
parents: 9431
diff changeset
653 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
654 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
655 id = conn_id;
0e1701197722 net.server_epoll: Make log tag accessible as a field
Kim Alvefur <zash@zash.se>
parents: 10278
diff changeset
656 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
657 extra = extra;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
658 }, interface_mt);
7591
138f16eb39fb net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents: 7590
diff changeset
659
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
660 if extra then
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
661 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
662 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
663 end
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
664 end
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
665
9383
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
666 conn:updatenames();
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
667 return conn;
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
668 end
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
669
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
670 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
671 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
672 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
673 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
674 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
675 end
9383
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
676 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
677 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
678 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
679 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
680 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
681
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
682 -- A server interface has new incoming connections waiting
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
683 -- This replaces the onreadable callback
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
684 function interface:onacceptable()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
685 local conn, err = self.conn:accept();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
686 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
687 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
688 self:pausefor(cfg.accept_retry_interval);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
689 return;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
690 end
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
691 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
692 client:debug("New connection %s on server %s", client, self);
9430
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
693 client:init();
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
694 if self.tls_direct then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
695 client:starttls(self.tls_ctx);
9695
5ec4eaf76de8 net.server_epoll: Call onconnect right after accept()ing a new client
Kim Alvefur <zash@zash.se>
parents: 9666
diff changeset
696 else
5ec4eaf76de8 net.server_epoll: Call onconnect right after accept()ing a new client
Kim Alvefur <zash@zash.se>
parents: 9666
diff changeset
697 client:onconnect();
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
698 end
7597
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
699 end
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
700
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
701 -- Initialization
7597
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
702 function interface:init()
9824
729de68f0068 net.server_epoll: Separate timeout for initial connection attempts
Kim Alvefur <zash@zash.se>
parents: 9823
diff changeset
703 self:setwritetimeout(cfg.connect_timeout);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
704 return self:add(true, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
705 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
706
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
707 function interface:pause()
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
708 self:noise("Pause reading");
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
709 return self:set(false);
7547
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
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
712 function interface:resume()
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
713 self:noise("Resume reading");
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
714 return self:set(true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
715 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
716
7624
23fb3a084956 net.server_epoll: Comments
Kim Alvefur <zash@zash.se>
parents: 7623
diff changeset
717 -- Pause connection for some time
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
718 function interface:pausefor(t)
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
719 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
720 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
721 closetimer(self._pausefor);
758ce12586de net.server_epoll: Optimize away table allocation for timer objects
Kim Alvefur <zash@zash.se>
parents: 10984
diff changeset
722 self._pausefor = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
723 end
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
724 if t == false then return; end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
725 self:set(false);
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
726 self._pausefor = addtimer(t, function ()
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
727 self._pausefor = nil;
9994
524b8cd76780 net.server_epoll: Restore wantread flag after pause (fixes #1354)
Kim Alvefur <zash@zash.se>
parents: 9932
diff changeset
728 self:set(true);
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
729 self:noise("Resuming after pause, connection is %s", not self.conn and "missing" or self.conn:dirty() and "dirty" or "clean");
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
730 if self.conn and self.conn:dirty() then
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
731 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
732 end
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
733 end);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
734 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
735
10098
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
736 function interface:setlimit(Bps)
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
737 if Bps > 0 then
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
738 self._limit = 1/Bps;
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
739 else
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
740 self._limit = nil;
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
741 end
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
742 end
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits
Kim Alvefur <zash@zash.se>
parents: 10091
diff changeset
743
9581
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
744 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
745 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
746 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
747 end
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
748 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
749 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
750 self:setwritetimeout(false);
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
751 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
752 end
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
753
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
754 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
755 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
756 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
757 end
10587
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging
Kim Alvefur <zash@zash.se>
parents: 10586
diff changeset
758 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
759 self._write_lock = nil;
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
760 if self.writebuffer[1] then
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
761 self:setwritetimeout();
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
762 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
763 end
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
764 end
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents: 9573
diff changeset
765
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
766 -- Connected!
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
767 function interface:onconnect()
10638
92918212ee83 net.server_epoll: Different error to distinguish connection timeout
Kim Alvefur <zash@zash.se>
parents: 10589
diff changeset
768 self._connected = true;
9594
dcf466e04f81 net.server_epoll: Use method to update peername on connect
Kim Alvefur <zash@zash.se>
parents: 9587
diff changeset
769 self:updatenames();
10331
76bd77ad6a2a server_epoll: Log full string represestation when connected
Kim Alvefur <zash@zash.se>
parents: 10330
diff changeset
770 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
771 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
772 self:on("connect");
8506
174fd716c9fa server_epoll: Rework how socket readyness is detected
Kim Alvefur <zash@zash.se>
parents: 8271
diff changeset
773 end
174fd716c9fa server_epoll: Rework how socket readyness is detected
Kim Alvefur <zash@zash.se>
parents: 8271
diff changeset
774
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
775 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
776 local server = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
777 conn = conn;
10492
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling
Kim Alvefur <zash@zash.se>
parents: 10491
diff changeset
778 created = realtime();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
779 listeners = listeners;
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9825
diff changeset
780 read_size = config and config.read_size;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
781 onreadable = interface.onacceptable;
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9825
diff changeset
782 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
783 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
784 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
785 sockname = addr;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
786 sockport = port;
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
787 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
788 }, interface_mt);
10089
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection
Kim Alvefur <zash@zash.se>
parents: 10088
diff changeset
789 server:debug("Server %s created", server);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
790 server:add(true, false);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
791 return server;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
792 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
793
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
794 local function listen(addr, port, listeners, config)
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
795 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
796 if not conn then return conn, err; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
797 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
798 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
799 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
800
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
801 -- COMPAT
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9825
diff changeset
802 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
803 return listen(addr, port, listeners, {
9310
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
804 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
805 tls_ctx = tls_ctx;
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
806 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
807 });
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
808 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
809
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
810 -- COMPAT
11063
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents: 10681
diff changeset
811 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
812 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
813 if not client.peername then
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
814 client.peername, client.peerport = addr, port;
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
815 end
9473
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
816 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
817 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
818 if tls_ctx then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
819 client:starttls(tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
820 end
7551
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
821 return client;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
822 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
823
7800
dadf9ba290c5 server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents: 7799
diff changeset
824 -- 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
825 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
826 local create;
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
827 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
828 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
829 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
830 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
831 typ = "tcp6";
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
832 else
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
833 typ = "tcp4";
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
834 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
835 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
836 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
837 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
838 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
839 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
840 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
841 end
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
842 local conn, err = create();
10082
1df53ef1f60d net.server_epoll: Return errors from creating sockets
Kim Alvefur <zash@zash.se>
parents: 10081
diff changeset
843 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
844 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
845 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
846 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
847 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
848 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
849 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
850 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
851 -- 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
852 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
853 end
9473
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
854 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
855 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
856 if tls_ctx then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
857 client:starttls(tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
858 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
859 return client, conn;
7553
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
860 end
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
861
9319
7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents: 9314
diff changeset
862 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
863 local conn = setmetatable({
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
864 conn = fd;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
865 onreadable = onreadable;
9319
7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents: 9314
diff changeset
866 onwritable = onwritable;
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
867 close = function (self)
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
868 self:del();
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
869 end
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
870 }, interface_mt);
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
871 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
872 conn.getfd = function ()
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
873 return fd;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
874 end;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
875 -- 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
876 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
877 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
878 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
879 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
880 return conn;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
881 end;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
882
7800
dadf9ba290c5 server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents: 7799
diff changeset
883 -- 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
884 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
885 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
886 function from:onincoming(data)
cd669975031b net.server_epoll: Fix link function to not replace listeners
Kim Alvefur <zash@zash.se>
parents: 10283
diff changeset
887 self:pause();
10289
8c59b20f71dc net.server_epoll: Correct indentation
Kim Alvefur <zash@zash.se>
parents: 10285
diff changeset
888 to:write(data);
10284
cd669975031b net.server_epoll: Fix link function to not replace listeners
Kim Alvefur <zash@zash.se>
parents: 10283
diff changeset
889 end
10285
bcf61e22f841 net.server_epoll: Ignore unused self argument [luacheck]
Kim Alvefur <zash@zash.se>
parents: 10284
diff changeset
890 function to:ondrain() -- luacheck: ignore 212/self
10289
8c59b20f71dc net.server_epoll: Correct indentation
Kim Alvefur <zash@zash.se>
parents: 10285
diff changeset
891 from:resume();
10284
cd669975031b net.server_epoll: Fix link function to not replace listeners
Kim Alvefur <zash@zash.se>
parents: 10283
diff changeset
892 end
10283
dff360d00dfa net.server_epoll: Handle read size argument to link
Kim Alvefur <zash@zash.se>
parents: 10282
diff changeset
893 from:set_mode(read_size);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
894 from:set(true, nil);
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
895 to:set(nil, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
896 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
897
9438
916bee81eb7e net.server_epoll: Make :set_send a noop, should fix net.adns
Kim Alvefur <zash@zash.se>
parents: 9432
diff changeset
898 -- COMPAT
916bee81eb7e net.server_epoll: Make :set_send a noop, should fix net.adns
Kim Alvefur <zash@zash.se>
parents: 9432
diff changeset
899 -- 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
900 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
901 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
902
7800
dadf9ba290c5 server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents: 7799
diff changeset
903 -- 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
904 local function closeall()
7799
93643a61858a server_epoll: Ignore unused loop variable [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7797
diff changeset
905 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
906 conn:close();
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
907 end
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
908 end
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
909
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
910 local quitting = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
911
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
912 -- 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
913 local function setquitting(quit)
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
914 if quit then
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
915 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
916 closeall();
7796
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
917 else
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
918 quitting = nil;
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
919 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
920 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
921
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
922 -- 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
923 local function loop(once)
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
924 repeat
7658
e14a124c4d73 net.server_epoll: Make minimum poll wait time configurable
Kim Alvefur <zash@zash.se>
parents: 7657
diff changeset
925 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
926 local fd, r, w = poll:wait(t);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
927 if fd then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
928 local conn = fds[fd];
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
929 if conn then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
930 if r then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
931 conn:onreadable();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
932 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
933 if w then
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
934 conn:onwritable();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
935 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
936 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
937 log("debug", "Removing unknown fd %d", fd);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
938 poll:del(fd);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
939 end
9508
2055b497b515 net.server_epoll: Special handling of signal interrupts
Kim Alvefur <zash@zash.se>
parents: 9507
diff changeset
940 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
941 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
942 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
943 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
944 return quitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
945 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
946
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
947 return {
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
948 get_backend = function () return "epoll"; end;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
949 addserver = addserver;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
950 addclient = addclient;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
951 add_task = addtimer;
10983
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
952 timer = {
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
953 -- API-compatible with util.timer
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
954 add_task = addtimer;
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
955 stop = closetimer;
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
956 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
957 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
958 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
959 end;
10983
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer
Kim Alvefur <zash@zash.se>
parents: 10982
diff changeset
960 };
9835
20bf5b47c1fb net.server: New API for creating server listeners
Kim Alvefur <zash@zash.se>
parents: 9825
diff changeset
961 listen = listen;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
962 loop = loop;
7794
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
963 closeall = closeall;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
964 setquitting = setquitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
965 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
966 wrapserver = wrapserver;
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
967 watchfd = watchfd;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
968 link = link;
7657
252823632401 net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents: 7637
diff changeset
969 set_config = function (newconfig)
252823632401 net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents: 7637
diff changeset
970 cfg = setmetatable(newconfig, default_config);
252823632401 net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents: 7637
diff changeset
971 end;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
972
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
973 -- libevent emulation
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
974 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
975 addevent = function (fd, mode, callback)
10088
97da8452c6a6 net.server_epoll: Deprecate libevent emulation layer
Kim Alvefur <zash@zash.se>
parents: 10082
diff changeset
976 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
977 local function onevent(self)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
978 local ret = self:callback();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
979 if ret == -1 then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
980 self:set(false, false);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
981 elseif ret then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
982 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
983 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
984 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
985
7817
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
986 local conn = setmetatable({
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
987 getfd = function () return fd; end;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
988 callback = callback;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
989 onreadable = onevent;
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
990 onwritable = onevent;
7817
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
991 close = function (self)
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
992 self:del();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
993 fds[fd] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
994 end;
7817
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
995 }, 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
996 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
997 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
998 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
999 if not ok then return ok, err; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1000 return conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1001 end;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
1002 };