prosody
7712488c8e49
net/server_epoll.lua

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net/server_epoll.lua @ 9821:7712488c8e49 0.11

net.server_epoll: Use send_timeout for write timout like other implementations (fixes #1316)
author Kim Alvefur <zash@zash.se>
date Thu, 07 Feb 2019 14:02:15 +0100
parent 9665:4790d1b88919
child 9822:13c2707d2417
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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_sort = table.sort;
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10 local t_insert = table.insert;
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11 local t_remove = table.remove;
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12 local t_concat = table.concat;
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13 local setmetatable = setmetatable;
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14 local tostring = tostring;
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15 local pcall = pcall;
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16 local type = type;
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d0c32d86724f server_epoll: Flush and close all connections before quitting mainloop so no data is lost in buffers
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17 local next = next;
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18 local pairs = pairs;
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19 local log = require "util.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 gettime = require "util.time".now;
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23 local createtable = require "util.table".create;
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24 local inet = require "util.net";
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25 local inet_pton = inet.pton;
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26 local _SOCKETINVALID = socket._SOCKETINVALID or -1;
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27
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28 local poller = require "util.poll"
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29 local EEXIST = poller.EEXIST;
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30 local ENOENT = poller.ENOENT;
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31
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32 local poll = assert(poller.new());
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33
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34 local _ENV = nil;
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35 -- luacheck: std none
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36
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37 local default_config = { __index = {
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38 -- If a connection is silent for this long, close it unless onreadtimeout says not to
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39 read_timeout = 14 * 60;
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40
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41 -- How long to wait for a socket to become writable after queuing data to send
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42 send_timeout = 60;
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43
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44 -- Some number possibly influencing how many pending connections can be accepted
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45 tcp_backlog = 128;
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46
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47 -- If accepting a new incoming connection fails, wait this long before trying again
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48 accept_retry_interval = 10;
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49
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50 -- If there is still more data to read from LuaSocktes buffer, wait this long and read again
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51 read_retry_delay = 1e-06;
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52
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53 -- Size of chunks to read from sockets
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54 read_size = 8192;
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55
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56 -- Timeout used during between steps in TLS handshakes
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57 handshake_timeout = 60;
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58
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59 -- Maximum and minimum amount of time to sleep waiting for events (adjusted for pending timers)
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60 max_wait = 86400;
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61 min_wait = 1e-06;
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62 }};
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63 local cfg = default_config.__index;
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64
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65 local fds = createtable(10, 0); -- FD -> conn
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66
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67 -- Timer and scheduling --
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68
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69 local timers = {};
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70
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71 local function noop() end
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72 local function closetimer(t)
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73 t[1] = 0;
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74 t[2] = noop;
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75 end
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76
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77 -- Set to true when timers have changed
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78 local resort_timers = false;
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79
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80 -- Add absolute timer
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81 local function at(time, f)
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82 local timer = { time, f, close = closetimer };
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83 t_insert(timers, timer);
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84 resort_timers = true;
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85 return timer;
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86 end
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87
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88 -- Add relative timer
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89 local function addtimer(timeout, f)
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90 return at(gettime() + timeout, f);
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91 end
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92
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93 -- Run callbacks of expired timers
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94 -- Return time until next timeout
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95 local function runtimers(next_delay, min_wait)
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96 -- Any timers at all?
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97 if not timers[1] then
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98 return next_delay;
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99 end
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100
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101 if resort_timers then
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102 -- Sort earliest timers to the end
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103 t_sort(timers, function (a, b) return a[1] > b[1]; end);
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104 resort_timers = false;
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105 end
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106
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107 -- Iterate from the end and remove completed timers
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108 for i = #timers, 1, -1 do
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109 local timer = timers[i];
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110 local t, f = timer[1], timer[2];
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111 -- Get time for every iteration to increase accuracy
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112 local now = gettime();
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113 if t > now then
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114 -- This timer should not fire yet
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115 local diff = t - now;
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116 if diff < next_delay then
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117 next_delay = diff;
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118 end
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119 break;
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120 end
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121 local new_timeout = f(now);
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122 if new_timeout then
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123 -- Schedule for 'delay' from the time actually scheduled,
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124 -- not from now, in order to prevent timer drift.
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125 timer[1] = t + new_timeout;
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126 resort_timers = true;
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127 else
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128 t_remove(timers, i);
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129 end
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130 end
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131
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132 if resort_timers or next_delay < min_wait then
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133 -- Timers may be added from within a timer callback.
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134 -- Those would not be considered for next_delay,
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135 -- and we might sleep for too long, so instead
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136 -- we return a shorter timeout so we can
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137 -- properly sort all new timers.
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138 next_delay = min_wait;
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139 end
7658
e14a124c4d73 net.server_epoll: Make minimum poll wait time configurable
Kim Alvefur <zash@zash.se>
parents: 7657
diff changeset
140
7547
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
141 return next_delay;
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
142 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
143
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
144 -- Socket handler interface
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
145
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
146 local interface = {};
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
147 local interface_mt = { __index = interface };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149 function interface_mt:__tostring()
7585
b64218c816de net.server_epoll: Improve string representation of connections
Kim Alvefur <zash@zash.se>
parents: 7584
diff changeset
150 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
151 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
152 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
153 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
154 end
9321
146dc1e4c7ff net.server_epoll: Simplify minimal string representation
Kim Alvefur <zash@zash.se>
parents: 9320
diff changeset
155 return ("FD %d"):format(self:getfd());
7547
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
156 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157
7637
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Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
158 -- 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
159 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
160 self:on("detach");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161 self.listeners = listeners;
9387
33e52f727f0f net.connect: Fix passing request table to new listener
Kim Alvefur <zash@zash.se>
parents: 9385
diff changeset
162 self:on("attach", data);
7547
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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
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
165 -- Call a listener callback
7583
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Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
166 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
167 if not self.listeners then
be374a5778f3 net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
parents: 7910
diff changeset
168 log("error", "%s has no listeners", self);
be374a5778f3 net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
parents: 7910
diff changeset
169 return;
be374a5778f3 net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
parents: 7910
diff changeset
170 end
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
171 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
172 if not listener then
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
173 -- log("debug", "Missing listener 'on%s'", what); -- uncomment for development and debugging
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
174 return;
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
175 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
176 local ok, err = pcall(listener, self, ...);
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
177 if not ok then
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
178 log("error", "Error calling on%s: %s", what, err);
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
179 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
180 return err;
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
181 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
182
7637
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Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
183 -- Return the file descriptor number
7547
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 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
185 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
186 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
187 end
7737
f93b3083b46b net.server_epoll: Use _SOCKETINVALID from LuaSocket
Kim Alvefur <zash@zash.se>
parents: 7707
diff changeset
188 return _SOCKETINVALID;
7547
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190
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
191 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
192 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
193 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
194
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
195 -- Get IP address
7547
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 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
197 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
198 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
199
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
200 -- 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
201 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
202 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
203 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
204
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
205 -- 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
206 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
207 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
208 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
209
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
210 -- 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
211 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
212 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
213 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
214 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
215 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
216 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
217 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
218
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
219 -- Return underlying socket
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 function interface:socket()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 return self.conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223
7910
91db637be237 net.server_epoll: Add method for changing read pattern
Kim Alvefur <zash@zash.se>
parents: 7817
diff changeset
224 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
225 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
226 end
91db637be237 net.server_epoll: Add method for changing read pattern
Kim Alvefur <zash@zash.se>
parents: 7817
diff changeset
227
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
228 function interface:setoption(k, v)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
229 -- LuaSec doesn't expose setoption :(
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
230 if self.conn.setoption then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 self.conn:setoption(k, v);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
232 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
233 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
234
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
235 -- Timeout for detecting dead or idle sockets
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
236 function interface:setreadtimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
237 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
238 if self._readtimeout then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
239 self._readtimeout:close();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
240 self._readtimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
241 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
242 return
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 t = t or cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
245 if self._readtimeout then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
246 self._readtimeout[1] = gettime() + t;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
247 resort_timers = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
248 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
249 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
250 if self:on("readtimeout") then
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
251 return cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
252 else
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
253 self:on("disconnect", "read timeout");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
254 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
255 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
256 end);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
257 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
258 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
259
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
260 -- Timeout for detecting dead sockets
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
261 function interface:setwritetimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
262 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
263 if self._writetimeout then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
264 self._writetimeout:close();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
265 self._writetimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
266 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
267 return
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
268 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
269 t = t or cfg.send_timeout;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
270 if self._writetimeout then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
271 self._writetimeout[1] = gettime() + t;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
272 resort_timers = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
273 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
274 self._writetimeout = 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
275 self:on("disconnect", "write timeout");
7547
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Kim Alvefur <zash@zash.se>
parents:
diff changeset
276 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
277 end);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
278 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
279 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
280
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
281 function interface:add(r, w)
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
282 local fd = self:getfd();
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
283 if fd < 0 then
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
284 return nil, "invalid fd";
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
285 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
286 if r == nil then r = self._wantread; end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
287 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
288 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
289 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
290 if errno == EEXIST then
ae6636052be9 net.server_epoll: Graceful handling of registering already added socket
Kim Alvefur <zash@zash.se>
parents: 9499
diff changeset
291 log("debug", "%s already registered!", self);
ae6636052be9 net.server_epoll: Graceful handling of registering already added socket
Kim Alvefur <zash@zash.se>
parents: 9499
diff changeset
292 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
293 end
9441
116a9d0a295c net.server_epoll: Pass error number to logging
Kim Alvefur <zash@zash.se>
parents: 9439
diff changeset
294 log("error", "Could not register %s: %s(%d)", self, err, errno);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
295 return ok, err;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
296 end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
297 self._wantread, self._wantwrite = r, w;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
298 fds[fd] = self;
9381
80be543a3785 net.server_epoll: Watching instead of registering, seems more understandable
Kim Alvefur <zash@zash.se>
parents: 9321
diff changeset
299 log("debug", "Watching %s", self);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
300 return true;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
301 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
302
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
303 function interface:set(r, w)
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
304 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
305 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
306 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
307 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
308 if r == nil then r = self._wantread; end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
309 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
310 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
311 if not ok then
9384
5c8006ce8cb8 net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents: 9383
diff changeset
312 log("error", "Could not update poller state %s: %s(%d)", self, err, errno);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
313 return ok, err;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
314 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
315 self._wantread, self._wantwrite = r, w;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
316 return true;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
317 end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
318
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
319 function interface:del()
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
320 local fd = self:getfd();
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
321 if fd < 0 then
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
322 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
323 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
324 if fds[fd] ~= self then
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
325 return nil, "unregistered fd";
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
326 end
9384
5c8006ce8cb8 net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents: 9383
diff changeset
327 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
328 if not ok and errno ~= ENOENT then
9384
5c8006ce8cb8 net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents: 9383
diff changeset
329 log("error", "Could not unregister %s: %s(%d)", self, err, errno);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
330 return ok, err;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
331 end
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
332 self._wantread, self._wantwrite = nil, nil;
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
333 fds[fd] = nil;
9381
80be543a3785 net.server_epoll: Watching instead of registering, seems more understandable
Kim Alvefur <zash@zash.se>
parents: 9321
diff changeset
334 log("debug", "Unwatched %s", self);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
335 return true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
336 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
337
9320
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
338 function interface:setflags(r, w)
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
339 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
340 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
341 return true; -- no change
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
342 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
343 return self:add(r, w);
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
344 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
345 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
346 return self:del();
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
347 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
348 return self:set(r, w);
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
349 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents: 9319
diff changeset
350
7573
0f0a6febbc5a net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents: 7564
diff changeset
351 -- Called when socket is readable
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
352 function interface:onreadable()
9311
9b0604fe01f1 net.server_epoll: Make read_size a server-wide option
Kim Alvefur <zash@zash.se>
parents: 9310
diff changeset
353 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
354 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
355 self:onconnect();
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
356 self:on("incoming", data);
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
357 else
8540
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents: 8507
diff changeset
358 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
359 self:onconnect();
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
360 self:on("incoming", partial, err);
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
361 end
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
362 if err == "wantread" then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
363 self:set(true, nil);
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
364 elseif err == "wantwrite" then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
365 self:set(nil, true);
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
366 elseif err ~= "timeout" then
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
367 self:on("disconnect", err);
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
368 self:destroy()
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
369 return;
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
370 end
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
371 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
372 if not self.conn then return; end
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
373 if self.conn:dirty() then
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
374 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
375 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
376 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
377 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
378 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
379 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
380
7573
0f0a6febbc5a net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents: 7564
diff changeset
381 -- Called when socket is writable
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
382 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
383 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
384 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
385 local buffer = self.writebuffer;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
386 local data = t_concat(buffer);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
387 local ok, err, partial = self.conn:send(data);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
388 if ok then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
389 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
390 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
391 buffer[i] = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
392 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
393 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
394 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
395 return;
8540
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents: 8507
diff changeset
396 elseif partial then
7591
138f16eb39fb net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents: 7590
diff changeset
397 buffer[1] = data:sub(partial+1);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
398 for i = #buffer, 2, -1 do
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
399 buffer[i] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
400 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
401 self:setwritetimeout();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
402 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
403 if err == "wantwrite" or err == "timeout" then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
404 self:set(nil, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
405 elseif err == "wantread" then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
406 self:set(true, nil);
7687
ae24deae6488 net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents: 7658
diff changeset
407 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
408 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
409 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
410 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
411 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
412
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
413 -- The write buffer has been successfully emptied
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
414 function interface:ondrain()
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
415 return self:on("drain");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
416 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
417
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
418 -- 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
419 function interface:write(data)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
420 local buffer = self.writebuffer;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
421 if buffer then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
422 t_insert(buffer, data);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
423 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
424 self.writebuffer = { data };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
425 end
7550
8c2bc1b6d84a net.server_epoll: Remove last traces of code for bypassing buffering on writable sockets
Kim Alvefur <zash@zash.se>
parents: 7547
diff changeset
426 self:setwritetimeout();
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
427 self:set(nil, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
428 return #data;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
429 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
430 interface.send = interface.write;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
431
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
432 -- Close, possibly after writing is done
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
433 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
434 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
435 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
436 self.write, self.send = noop, noop; -- No more writing
9301
2f9687c09e6e net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents: 9300
diff changeset
437 log("debug", "Close %s after writing", self);
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
438 self.ondrain = interface.close;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
439 else
9301
2f9687c09e6e net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents: 9300
diff changeset
440 log("debug", "Close %s now", self);
7593
0266434d7df1 net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents: 7592
diff changeset
441 self.write, self.send = noop, noop;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
442 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
443 self:on("disconnect");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
444 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
445 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
446 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
447
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
448 function interface:destroy()
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
449 self:del();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
450 self:setwritetimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
451 self:setreadtimeout(false);
7594
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
452 self.onreadable = noop;
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
453 self.onwritable = noop;
7594
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
454 self.destroy = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
455 self.close = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
456 self.on = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
457 self.conn:close();
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
458 self.conn = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
459 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
460
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
461 function interface:ssl()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
462 return self._tls;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
463 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
464
9300
1df8832bd29e net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents: 8983
diff changeset
465 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
466 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
467 self.starttls = false;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
468 if self.writebuffer and self.writebuffer[1] then
9301
2f9687c09e6e net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents: 9300
diff changeset
469 log("debug", "Start TLS on %s after write", self);
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
470 self.ondrain = interface.starttls;
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
471 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
472 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
473 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
474 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
475 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
476 self.onwritable = interface.tlshandskake;
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
477 self.onreadable = interface.tlshandskake;
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
478 self:set(true, true);
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
479 log("debug", "Prepare to start TLS on %s", self);
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
480 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
481 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
482
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
483 function interface:tlshandskake()
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
484 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
485 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
486 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
487 self._tls = true;
9301
2f9687c09e6e net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents: 9300
diff changeset
488 log("debug", "Start TLS on %s now", self);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
489 self:del();
9431
c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents: 9430
diff changeset
490 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
491 if not ok then
c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents: 9430
diff changeset
492 conn, err = ok, conn;
9573
57637247356d net.server_epoll: Shuffle variables earlier to improve readability
Kim Alvefur <zash@zash.se>
parents: 9508
diff changeset
493 log("error", "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
494 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
495 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
496 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
497 self:destroy();
7595
166b2e0766a4 net.server_epoll: Return status from starttls method
Kim Alvefur <zash@zash.se>
parents: 7594
diff changeset
498 return conn, err;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
499 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
500 conn:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
501 self.conn = conn;
9430
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
502 self:on("starttls");
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
503 self.ondrain = nil;
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
504 self.onwritable = interface.tlshandskake;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
505 self.onreadable = interface.tlshandskake;
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
506 return self:init();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
507 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
508 local ok, err = self.conn:dohandshake();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
509 if ok then
9301
2f9687c09e6e net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents: 9300
diff changeset
510 log("debug", "TLS handshake on %s complete", self);
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
511 self.onwritable = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
512 self.onreadable = nil;
8008
62ed3795be13 net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents: 8007
diff changeset
513 self:on("status", "ssl-handshake-complete");
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
514 self:setwritetimeout();
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
515 self:set(true, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
516 elseif err == "wantread" then
9301
2f9687c09e6e net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents: 9300
diff changeset
517 log("debug", "TLS handshake on %s to wait until readable", self);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
518 self:set(true, false);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
519 self:setreadtimeout(cfg.handshake_timeout);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
520 elseif err == "wantwrite" then
9301
2f9687c09e6e net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents: 9300
diff changeset
521 log("debug", "TLS handshake on %s to wait until writable", self);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
522 self:set(false, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
523 self:setwritetimeout(cfg.handshake_timeout);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
524 else
9301
2f9687c09e6e net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents: 9300
diff changeset
525 log("debug", "TLS handshake error on %s: %s", self, err);
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
526 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
527 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
528 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
529 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
530
9310
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
531 local function wrapsocket(client, server, read_size, listeners, tls_ctx) -- luasocket object -> interface object
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
532 client:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
533 local conn = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
534 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
535 _server = server;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
536 created = gettime();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
537 listeners = listeners;
9310
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
538 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
539 writebuffer = {};
9432
2e3f66475cc8 net.server_epoll: Inherit Direct TLS flag from servers to their clients
Kim Alvefur <zash@zash.se>
parents: 9431
diff changeset
540 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
541 tls_direct = server and server.tls_direct;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
542 }, interface_mt);
7591
138f16eb39fb net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents: 7590
diff changeset
543
9383
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
544 conn:updatenames();
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
545 return conn;
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
546 end
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
547
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
548 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
549 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
550 local ok, peername, peerport = pcall(conn.getpeername, conn);
9382
31a2be28729c net.server_epoll: Protect from errors in get{peer,sock}name
Kim Alvefur <zash@zash.se>
parents: 9381
diff changeset
551 if ok then
9383
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
552 self.peername, self.peerport = peername, peerport;
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
553 end
9383
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
554 local ok, sockname, sockport = pcall(conn.getsockname, conn);
9382
31a2be28729c net.server_epoll: Protect from errors in get{peer,sock}name
Kim Alvefur <zash@zash.se>
parents: 9381
diff changeset
555 if ok then
9383
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents: 9382
diff changeset
556 self.sockname, self.sockport = sockname, sockport;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
557 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
558 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
559
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
560 -- A server interface has new incoming connections waiting
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
561 -- This replaces the onreadable callback
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
562 function interface:onacceptable()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
563 local conn, err = self.conn:accept();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
564 if not conn then
7574
97b8506118a9 net.server_epoll: Fix missing quotes in logging call
Kim Alvefur <zash@zash.se>
parents: 7573
diff changeset
565 log("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
566 self:pausefor(cfg.accept_retry_interval);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
567 return;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
568 end
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
569 local client = wrapsocket(conn, self, nil, self.listeners);
7592
10d2f008321d net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents: 7591
diff changeset
570 log("debug", "New connection %s", tostring(client));
9430
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents: 9387
diff changeset
571 client:init();
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
572 if self.tls_direct then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
573 client:starttls(self.tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
574 end
7597
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
575 end
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
576
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
577 -- Initialization
7597
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
578 function interface:init()
9306
35c128b42509 net.server_epoll: Factor Direct TLS handling out of connection initialization
Kim Alvefur <zash@zash.se>
parents: 9301
diff changeset
579 self:setwritetimeout();
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
580 return self:add(true, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
581 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
582
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
583 function interface:pause()
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
584 return self:set(false);
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
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
587 function interface:resume()
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
588 return self:set(true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
589 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
590
7624
23fb3a084956 net.server_epoll: Comments
Kim Alvefur <zash@zash.se>
parents: 7623
diff changeset
591 -- Pause connection for some time
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
592 function interface:pausefor(t)
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
593 if self._pausefor then
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
594 self._pausefor:close();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
595 end
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
596 if t == false then return; end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
597 self:set(false);
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
598 self._pausefor = addtimer(t, function ()
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
599 self._pausefor = nil;
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
600 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
601 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
602 end
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
603 self:set(true);
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
604 end);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
605 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
606
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
607 -- Connected!
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
608 function interface:onconnect()
8778
0364454bdd77 net.server_epoll: Guard against connection missing the getpeername method (thanks LuaSec)
Kim Alvefur <zash@zash.se>
parents: 8777
diff changeset
609 if self.conn and not self.peername and self.conn.getpeername then
8777
2bfe963f3041 net.server_epoll: Retry retrieving peername once connected
Kim Alvefur <zash@zash.se>
parents: 8776
diff changeset
610 self.peername, self.peerport = self.conn:getpeername();
2bfe963f3041 net.server_epoll: Retry retrieving peername once connected
Kim Alvefur <zash@zash.se>
parents: 8776
diff changeset
611 end
8540
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents: 8507
diff changeset
612 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
613 self:on("connect");
8506
174fd716c9fa server_epoll: Rework how socket readyness is detected
Kim Alvefur <zash@zash.se>
parents: 8271
diff changeset
614 end
174fd716c9fa server_epoll: Rework how socket readyness is detected
Kim Alvefur <zash@zash.se>
parents: 8271
diff changeset
615
9310
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
616 local function addserver(addr, port, listeners, read_size, tls_ctx)
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
617 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
618 if not conn then return conn, err; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
619 conn:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
620 local server = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
621 conn = conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
622 created = gettime();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
623 listeners = listeners;
9310
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
624 read_size = read_size;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
625 onreadable = interface.onacceptable;
9300
1df8832bd29e net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents: 8983
diff changeset
626 tls_ctx = tls_ctx;
9309
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
627 tls_direct = tls_ctx and true or false;
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
628 sockname = addr;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
629 sockport = port;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
630 }, interface_mt);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
631 server:add(true, false);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
632 return server;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
633 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
634
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
635 -- COMPAT
9310
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
636 local function wrapclient(conn, addr, port, listeners, read_size, tls_ctx)
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
637 local client = wrapsocket(conn, nil, read_size, listeners, tls_ctx);
7597
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
638 if not client.peername then
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
639 client.peername, client.peerport = addr, port;
cd34aa6b1632 net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents: 7596
diff changeset
640 end
9473
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
641 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
642 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
643 if tls_ctx then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
644 client:starttls(tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
645 end
7551
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
646 return client;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
647 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
648
7800
dadf9ba290c5 server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents: 7799
diff changeset
649 -- New outgoing TCP connection
9497
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
650 local function addclient(addr, port, listeners, read_size, tls_ctx, typ)
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
651 local create;
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
652 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
653 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
654 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
655 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
656 typ = "tcp6";
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
657 else
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
658 typ = "tcp4";
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
659 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
660 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
661 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
662 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
663 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents: 9477
diff changeset
664 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
665 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
666 end
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
667 local conn, err = create();
9498
cc593002f2e2 net.server_epoll: Check return conditions of early socket setup
Kim Alvefur <zash@zash.se>
parents: 9497
diff changeset
668 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
669 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
670 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
671 if not ok and err ~= "timeout" then return ok, err; end
9310
2d2d4c293efa net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents: 9309
diff changeset
672 local client = wrapsocket(conn, nil, read_size, listeners, tls_ctx)
9473
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents: 9445
diff changeset
673 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
674 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
675 if tls_ctx then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
676 client:starttls(tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents: 9306
diff changeset
677 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
678 return client, conn;
7553
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
679 end
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
680
9319
7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents: 9314
diff changeset
681 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
682 local conn = setmetatable({
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
683 conn = fd;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
684 onreadable = onreadable;
9319
7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents: 9314
diff changeset
685 onwritable = onwritable;
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
686 close = function (self)
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
687 self:del();
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
688 end
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
689 }, interface_mt);
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
690 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
691 conn.getfd = function ()
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
692 return fd;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
693 end;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
694 -- 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
695 end
9319
7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents: 9314
diff changeset
696 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
697 return conn;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
698 end;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
699
7800
dadf9ba290c5 server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents: 7799
diff changeset
700 -- Dump all data from one connection into another
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
701 local function link(from, to)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
702 from.listeners = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
703 onincoming = function (_, data)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
704 from:pause();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
705 to:write(data);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
706 end,
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
707 }, {__index=from.listeners});
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
708 to.listeners = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
709 ondrain = function ()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
710 from:resume();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
711 end,
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
712 }, {__index=to.listeners});
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
713 from:set(true, nil);
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
714 to:set(nil, 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
9438
916bee81eb7e net.server_epoll: Make :set_send a noop, should fix net.adns
Kim Alvefur <zash@zash.se>
parents: 9432
diff changeset
717 -- COMPAT
916bee81eb7e net.server_epoll: Make :set_send a noop, should fix net.adns
Kim Alvefur <zash@zash.se>
parents: 9432
diff changeset
718 -- 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
719 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
720 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
721
7800
dadf9ba290c5 server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents: 7799
diff changeset
722 -- 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
723 local function closeall()
7799
93643a61858a server_epoll: Ignore unused loop variable [luacheck]
Kim Alvefur <zash@zash.se>
parents: 7797
diff changeset
724 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
725 conn:close();
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
726 end
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
727 end
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
728
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
729 local quitting = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
730
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
731 -- 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
732 local function setquitting(quit)
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
733 if quit then
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
734 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
735 closeall();
7796
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
736 else
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
737 quitting = nil;
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents: 7795
diff changeset
738 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
739 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
740
7637
cccea9136b2d net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents: 7630
diff changeset
741 -- 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
742 local function loop(once)
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
743 repeat
7658
e14a124c4d73 net.server_epoll: Make minimum poll wait time configurable
Kim Alvefur <zash@zash.se>
parents: 7657
diff changeset
744 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
745 local fd, r, w = poll:wait(t);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
746 if fd then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
747 local conn = fds[fd];
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
748 if conn then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
749 if r then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
750 conn:onreadable();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
751 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
752 if w then
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
753 conn:onwritable();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
754 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
755 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
756 log("debug", "Removing unknown fd %d", fd);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
757 poll:del(fd);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
758 end
9508
2055b497b515 net.server_epoll: Special handling of signal interrupts
Kim Alvefur <zash@zash.se>
parents: 9507
diff changeset
759 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
760 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
761 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
762 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
763 return quitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
764 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
765
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
766 return {
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
767 get_backend = function () return "epoll"; end;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
768 addserver = addserver;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
769 addclient = addclient;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
770 add_task = addtimer;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
771 at = at;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
772 loop = loop;
7794
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents: 7737
diff changeset
773 closeall = closeall;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
774 setquitting = setquitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
775 wrapclient = wrapclient;
8781
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents: 8778
diff changeset
776 watchfd = watchfd;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
777 link = link;
7657
252823632401 net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents: 7637
diff changeset
778 set_config = function (newconfig)
252823632401 net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents: 7637
diff changeset
779 cfg = setmetatable(newconfig, default_config);
252823632401 net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents: 7637
diff changeset
780 end;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
781
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
782 -- libevent emulation
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
783 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
784 addevent = function (fd, mode, callback)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
785 local function onevent(self)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
786 local ret = self:callback();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
787 if ret == -1 then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
788 self:set(false, false);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
789 elseif ret then
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
790 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
791 end
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
7817
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
794 local conn = setmetatable({
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
795 getfd = function () return fd; end;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
796 callback = callback;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
797 onreadable = onevent;
8542
8c39ec8e6018 net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents: 8541
diff changeset
798 onwritable = onevent;
7817
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
799 close = function (self)
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
800 self:del();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
801 fds[fd] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
802 end;
7817
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents: 7811
diff changeset
803 }, interface_mt);
9314
c9eef7e8ee65 net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents: 9311
diff changeset
804 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
805 if not ok then return ok, err; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
806 return conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
807 end;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
808 };