prosody
2c4ba55b616c
net/server_epoll.lua

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net/server_epoll.lua @ 7596:2c4ba55b616c

net.server_epoll: Connect async in addclient
author Kim Alvefur <zash@zash.se>
date Thu, 18 Aug 2016 17:04:57 +0200
parent 7595:166b2e0766a4
child 7597:cd34aa6b1632
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 -- Prosody IM
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2 -- Copyright (C) 2016 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 -- server_epoll
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9 -- Server backend based on https://luarocks.org/modules/zash/lua-epoll
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10
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11 local t_sort = table.sort;
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12 local t_insert = table.insert;
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13 local t_remove = table.remove;
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14 local t_concat = table.concat;
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15 local setmetatable = setmetatable;
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16 local tostring = tostring;
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17 local pcall = pcall;
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18 local log = require "util.logger".init("server_epoll");
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19 local epoll = require "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
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25 local _ENV = nil;
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26
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27 local cfg = {
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28 read_timeout = 900;
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29 write_timeout = 7;
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30 tcp_backlog = 128;
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31 accept_retry_interval = 10;
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32 read_retry_delay = 1e-06;
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33 };
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34
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35 local fds = createtable(10, 0); -- FD -> conn
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36 local timers = {};
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37
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38 local function noop() end
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39 local function closetimer(t)
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40 t[1] = 0;
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41 t[2] = noop;
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42 end
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43
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44 -- Set to true when timers have changed
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45 local resort_timers = false;
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46
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47 -- Add absolute timer
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48 local function at(time, f)
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49 local timer = { time, f, close = closetimer };
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50 t_insert(timers, timer);
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51 resort_timers = true;
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52 return timer;
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53 end
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54
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55 -- Add relative timer
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56 local function addtimer(timeout, f)
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57 return at(gettime() + timeout, f);
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58 end
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59
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60 -- Run callbacks of expired timers
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61 -- Return time until next timeout
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62 local function runtimers()
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63 if resort_timers then
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64 -- Sort earliest timers to the end
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65 t_sort(timers, function (a, b) return a[1] > b[1]; end);
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66 resort_timers = false;
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67 end
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68
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69 --[[ Is it worth it to skip the noop calls?
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70 for i = #timers, 1, -1 do
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71 if timers[i][2] == noop then
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72 timers[i] = nil;
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73 else
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74 break;
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75 end
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76 end
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77 --]]
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78
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79 local next_delay = 86400;
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80
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81 -- Iterate from the end and remove completed timers
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82 for i = #timers, 1, -1 do
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83 local timer = timers[i];
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84 local t, f = timer[1], timer[2];
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85 local now = gettime(); -- inside or before the loop?
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86 if t > now then
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87 -- This timer should not fire yet
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88 local diff = t - now;
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89 if diff < next_delay then
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90 next_delay = diff;
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91 end
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92 break;
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93 end
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94 local new_timeout = f(now);
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95 if new_timeout then
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96 timer[1] = t + new_timeout;
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97 resort_timers = true;
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98 else
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99 t_remove(timers, i);
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100 end
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101 end
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102 if resort_timers or next_delay < 1e-6 then
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103 -- Timers may be added from within a timer callback.
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104 -- Those would not be considered for next_delay,
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105 -- and we might sleep for too long, so instead
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106 -- we return a shorter timeout so we can
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107 -- properly sort all new timers.
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108 next_delay = 1e-6;
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109 end
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110 return next_delay;
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111 end
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112
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113 local interface = {};
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114 local interface_mt = { __index = interface };
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115
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116 function interface_mt:__tostring()
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117 if self.sockname and self.peername then
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118 return ("FD %d (%s, %d, %s, %d)"):format(self:getfd(), self.peername, self.peerport, self.sockname, self.sockport);
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119 elseif self.sockname or self.peername then
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120 return ("FD %d (%s, %d)"):format(self:getfd(), self.sockname or self.peername, self.sockport or self.peerport);
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121 end
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122 return ("%s FD %d"):format(tostring(self.conn), self:getfd());
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123 end
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124
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125 function interface:setlistener(listeners)
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126 self.listeners = listeners;
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127 end
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128
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129 -- Call callback
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130 function interface:on(what, ...)
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131 local listener = self.listeners["on"..what];
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132 if not listener then
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133 -- log("debug", "Missing listener 'on%s'", what); -- uncomment for development and debugging
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134 return;
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135 end
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136 local ok, err = pcall(listener, self, ...);
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137 if not ok then
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138 log("error", "Error calling on%s: %s", what, err);
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139 end
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140 return err;
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141 end
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142
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143 function interface:getfd()
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diff changeset
144 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
145 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
146 end
846fdbbc62ba net.server_epoll: Return something as FD when no connection exists
Kim Alvefur <zash@zash.se>
parents: 7585
diff changeset
147 return -1;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
148 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
149
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
150 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
151 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
152 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
153
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
154 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
155 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
156 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
157
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
158 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
159 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
160 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
161
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
162 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
163 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
164 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
165 elseif self.server then
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
166 self.server:port();
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
167 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
168 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
169
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170 function interface:socket()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
171 return self.conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
172 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174 function interface:setoption(k, v)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 -- LuaSec doesn't expose setoption :(
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 if self.conn.setoption then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177 self.conn:setoption(k, v);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
178 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
179 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181 function interface:setreadtimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 if self._readtimeout then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 self._readtimeout:close();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185 self._readtimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
186 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187 return
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
188 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
189 t = t or cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190 if self._readtimeout then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191 self._readtimeout[1] = gettime() + t;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
192 resort_timers = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
194 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
195 if self:on("readtimeout") then
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 return cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
197 else
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
198 self:on("disconnect", "read timeout");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
200 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
201 end);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
202 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
203 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
204
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
205 function interface:setwritetimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
206 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
207 if self._writetimeout then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
208 self._writetimeout:close();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
209 self._writetimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
210 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
211 return
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
212 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
213 t = t or cfg.write_timeout;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
214 if self._writetimeout then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
215 self._writetimeout[1] = gettime() + t;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
216 resort_timers = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
217 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
218 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
219 self:on("disconnect", "write timeout");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 end);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
223 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
224
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
225 function interface:flags()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
226 if self._wantread then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
227 if self._wantwrite then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
228 return "rw";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
229 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
230 return "r";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 elseif self._wantwrite then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
232 return "w";
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 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
235
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
236 function interface:setflags(r, w)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
237 if r ~= nil then self._wantread = r; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
238 if w ~= nil then self._wantwrite = w; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
239 local flags = self:flags();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
240 local currentflags = self._flags;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
241 if flags == currentflags then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
242 return true;
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 local fd = self:getfd();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
245 local op = "mod";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
246 if not flags then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
247 op = "del";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
248 elseif not currentflags then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
249 op = "add";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
250 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
251 local ok, err = epoll.ctl(op, fd, flags);
7587
ff81a34bffb0 net.server_epoll: Comment some overly verbose logging
Kim Alvefur <zash@zash.se>
parents: 7586
diff changeset
252 -- log("debug", "epoll_ctl(%q, %d, %q) -> %s" .. (err and ", %q" or ""),
ff81a34bffb0 net.server_epoll: Comment some overly verbose logging
Kim Alvefur <zash@zash.se>
parents: 7586
diff changeset
253 -- op, fd, flags or "", tostring(ok), err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
254 if not ok then return ok, err end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
255 self._flags = flags;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
256 return true;
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
7573
0f0a6febbc5a net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents: 7564
diff changeset
259 -- Called when socket is readable
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
260 function interface:onreadable()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
261 local data, err, partial = self.conn:receive(self._pattern);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
262 if data or partial then
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
263 self:on("incoming", data or partial, err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
264 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
265 if err == "wantread" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
266 self:setflags(true, nil);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
267 elseif err == "wantwrite" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
268 self:setflags(nil, true);
7557
f0dd902534b0 net.server_epoll: Don't mistake success for an error
Kim Alvefur <zash@zash.se>
parents: 7556
diff changeset
269 elseif not data and 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
270 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
271 self:destroy()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
272 return;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
273 end
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
274 if self.conn:dirty() then
7590
fd07ab702f83 net.server_epoll: Remove read timeout when waiting to read more from buffer
Kim Alvefur <zash@zash.se>
parents: 7589
diff changeset
275 self:setreadtimeout(false);
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
276 self:pausefor(cfg.read_retry_delay);
7590
fd07ab702f83 net.server_epoll: Remove read timeout when waiting to read more from buffer
Kim Alvefur <zash@zash.se>
parents: 7589
diff changeset
277 else
fd07ab702f83 net.server_epoll: Remove read timeout when waiting to read more from buffer
Kim Alvefur <zash@zash.se>
parents: 7589
diff changeset
278 self:setreadtimeout();
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
279 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
280 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
281
7573
0f0a6febbc5a net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents: 7564
diff changeset
282 -- Called when socket is writable
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
283 function interface:onwriteable()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
284 local buffer = self.writebuffer;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
285 local data = t_concat(buffer);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
286 local ok, err, partial = self.conn:send(data);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
287 if ok then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
288 for i = #buffer, 1, -1 do
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
289 buffer[i] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
290 end
7564
f95ffd24e042 net.server_epoll: Clear write flag before calling ondrain, fixes calling of ondisconnect on explicit close
Kim Alvefur <zash@zash.se>
parents: 7563
diff changeset
291 self:setflags(nil, false);
f95ffd24e042 net.server_epoll: Clear write flag before calling ondrain, fixes calling of ondisconnect on explicit close
Kim Alvefur <zash@zash.se>
parents: 7563
diff changeset
292 self:setwritetimeout(false);
f95ffd24e042 net.server_epoll: Clear write flag before calling ondrain, fixes calling of ondisconnect on explicit close
Kim Alvefur <zash@zash.se>
parents: 7563
diff changeset
293 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
294 return;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
295 elseif partial then
7591
138f16eb39fb net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents: 7590
diff changeset
296 buffer[1] = data:sub(partial+1);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
297 for i = #buffer, 2, -1 do
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
298 buffer[i] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
299 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
300 self:setwritetimeout();
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 if err == "wantwrite" or err == "timeout" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
303 self:setflags(nil, true);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
304 elseif err == "wantread" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
305 self:setflags(true, nil);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
306 elseif err and 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
307 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
308 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
309 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
310 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
311
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
312 function interface:ondrain()
7588
fd6ca110edce net.server_epoll: Don't call ondrain when connection is to be closed
Kim Alvefur <zash@zash.se>
parents: 7587
diff changeset
313 if self._toclose then
fd6ca110edce net.server_epoll: Don't call ondrain when connection is to be closed
Kim Alvefur <zash@zash.se>
parents: 7587
diff changeset
314 return self:close();
fd6ca110edce net.server_epoll: Don't call ondrain when connection is to be closed
Kim Alvefur <zash@zash.se>
parents: 7587
diff changeset
315 elseif self._starttls then
fd6ca110edce net.server_epoll: Don't call ondrain when connection is to be closed
Kim Alvefur <zash@zash.se>
parents: 7587
diff changeset
316 return self:starttls();
fd6ca110edce net.server_epoll: Don't call ondrain when connection is to be closed
Kim Alvefur <zash@zash.se>
parents: 7587
diff changeset
317 else
fd6ca110edce net.server_epoll: Don't call ondrain when connection is to be closed
Kim Alvefur <zash@zash.se>
parents: 7587
diff changeset
318 return self:on("drain");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
319 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
320 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
321
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
322 function interface:write(data)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
323 local buffer = self.writebuffer;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
324 if buffer then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
325 t_insert(buffer, data);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
326 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
327 self.writebuffer = { data };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
328 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
329 self:setwritetimeout();
8c2bc1b6d84a net.server_epoll: Remove last traces of code for bypassing buffering on writable sockets
Kim Alvefur <zash@zash.se>
parents: 7547
diff changeset
330 self:setflags(nil, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
331 return #data;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
332 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
333 interface.send = interface.write;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
334
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
335 function interface:close()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
336 if self._wantwrite then
7593
0266434d7df1 net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents: 7592
diff changeset
337 self:setflags(false, true); -- Flush final buffer contents
0266434d7df1 net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents: 7592
diff changeset
338 self.write, self.send = noop, noop; -- No more writing
7555
f3abb5f891eb net.server_epoll: Some logging when closing a connection
Kim Alvefur <zash@zash.se>
parents: 7554
diff changeset
339 log("debug", "Close %s after writing", tostring(self));
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
340 self._toclose = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
341 else
7592
10d2f008321d net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents: 7591
diff changeset
342 log("debug", "Close %s now", tostring(self));
7593
0266434d7df1 net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents: 7592
diff changeset
343 self.write, self.send = noop, noop;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
344 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
345 self:on("disconnect");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
346 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
347 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
348 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
349
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
350 function interface:destroy()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
351 self:setflags(false, false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
352 self:setwritetimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
353 self:setreadtimeout(false);
7594
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
354 self.onreadable = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
355 self.onwriteable = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
356 self.destroy = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
357 self.close = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
358 self.on = noop;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
359 fds[self:getfd()] = nil;
7594
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
360 self.conn:close();
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents: 7593
diff changeset
361 self.conn = nil;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
362 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
363
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
364 function interface:ssl()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
365 return self._tls;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
366 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
367
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
368 function interface:starttls(ctx)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
369 if ctx then self.tls = ctx; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
370 if self.writebuffer and self.writebuffer[1] then
7592
10d2f008321d net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents: 7591
diff changeset
371 log("debug", "Start TLS on %s after write", tostring(self));
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
372 self._starttls = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
373 else
7592
10d2f008321d net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents: 7591
diff changeset
374 log("debug", "Start TLS on %s now", tostring(self));
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
375 self:setflags(false, false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
376 local conn, err = luasec.wrap(self.conn, ctx or self.tls);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
377 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
378 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
379 self:destroy();
7595
166b2e0766a4 net.server_epoll: Return status from starttls method
Kim Alvefur <zash@zash.se>
parents: 7594
diff changeset
380 return conn, err;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
381 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
382 conn:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
383 self.conn = conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
384 self._starttls = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
385 self.onwriteable = interface.tlshandskake;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
386 self.onreadable = interface.tlshandskake;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
387 self:setflags(true, true);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
388 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
389 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
390
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
391 function interface:tlshandskake()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
392 local ok, err = self.conn:dohandshake();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
393 if ok then
7592
10d2f008321d net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents: 7591
diff changeset
394 log("debug", "TLS handshake on %s complete", tostring(self));
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
395 self.onwriteable = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
396 self.onreadable = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
397 self:setflags(true, true);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
398 local old = self._tls;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
399 self._tls = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
400 self.starttls = false;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
401 if old == false then
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
402 self:on("connect");
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
403 else
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
404 self:on("status", "ssl-handshake-complete");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
405 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
406 elseif err == "wantread" then
7592
10d2f008321d net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents: 7591
diff changeset
407 log("debug", "TLS handshake on %s to wait until readable", tostring(self));
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
408 self:setflags(true, false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
409 self:setwritetimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
410 self:setreadtimeout(cfg.handshake_timeout);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
411 elseif err == "wantwrite" then
7592
10d2f008321d net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents: 7591
diff changeset
412 log("debug", "TLS handshake on %s to wait until writable", tostring(self));
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
413 self:setflags(false, true);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
414 self:setreadtimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
415 self:setwritetimeout(cfg.handshake_timeout);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
416 else
7592
10d2f008321d net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents: 7591
diff changeset
417 log("debug", "TLS handshake error on %s: %s", tostring(self), err);
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
418 self:on("disconnect", err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
419 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
420 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
421 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
422
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
423 local function wrapsocket(client, server, pattern, listeners, tls) -- luasocket object -> interface object
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
424 client:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
425 local conn = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
426 conn = client;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
427 server = server;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
428 created = gettime();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
429 listeners = listeners;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
430 _pattern = pattern or server._pattern;
7554
c2decf88e249 net.server_epoll: Use first writable event to signal onconnect
Kim Alvefur <zash@zash.se>
parents: 7553
diff changeset
431 onwriteable = interface.onconnect;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
432 writebuffer = {};
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
433 tls = tls;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
434 }, interface_mt);
7591
138f16eb39fb net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents: 7590
diff changeset
435
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
436 if client.getpeername then
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
437 conn.peername, conn.peerport = client:getpeername();
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
438 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
439 if client.getsockname then
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
440 conn.sockname, conn.sockport = client:getsockname();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
441 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
442
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
443 fds[conn:getfd()] = conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
444 return conn;
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
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
447 function interface:onacceptable()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
448 local conn, err = self.conn:accept();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
449 if not conn then
7574
97b8506118a9 net.server_epoll: Fix missing quotes in logging call
Kim Alvefur <zash@zash.se>
parents: 7573
diff changeset
450 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
451 self:pausefor(cfg.accept_retry_interval);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
452 return;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
453 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
454 local client = wrapsocket(conn, self, nil, self.listeners, self.tls);
7592
10d2f008321d net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents: 7591
diff changeset
455 log("debug", "New connection %s", tostring(client));
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
456 if self.tls then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
457 client._tls = false;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
458 client:starttls();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
459 else
7554
c2decf88e249 net.server_epoll: Use first writable event to signal onconnect
Kim Alvefur <zash@zash.se>
parents: 7553
diff changeset
460 client:setflags(false, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
461 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
462 client:setreadtimeout();
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
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
465 function interface:pause()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
466 self:setflags(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
467 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
468
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
469 function interface:resume()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
470 self:setflags(true);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
471 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
472
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
473 function interface:pausefor(t)
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
474 if self._pausefor then
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
475 self._pausefor:close();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
476 end
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
477 if t == false then return; end
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
478 self:setflags(false);
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
479 self._pausefor = addtimer(t, function ()
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
480 self._pausefor = nil;
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
481 self:setflags(true);
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
482 if self.conn:dirty() then
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
483 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
484 end
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
485 end);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
486 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
487
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
488 function interface:onconnect()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
489 self.onwriteable = nil;
7583
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents: 7574
diff changeset
490 self:on("connect");
7554
c2decf88e249 net.server_epoll: Use first writable event to signal onconnect
Kim Alvefur <zash@zash.se>
parents: 7553
diff changeset
491 self:setflags(true);
c2decf88e249 net.server_epoll: Use first writable event to signal onconnect
Kim Alvefur <zash@zash.se>
parents: 7553
diff changeset
492 return self:onwriteable();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
493 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
494
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
495 local function addserver(addr, port, listeners, pattern, tls)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
496 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
497 if not conn then return conn, err; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
498 conn:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
499 local server = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
500 conn = conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
501 created = gettime();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
502 listeners = listeners;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
503 _pattern = pattern;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
504 onreadable = interface.onacceptable;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
505 tls = tls;
7584
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
506 sockname = addr;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents: 7583
diff changeset
507 sockport = port;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
508 }, interface_mt);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
509 server:setflags(true, false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
510 fds[server:getfd()] = server;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
511 return server;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
512 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
513
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
514 -- COMPAT
7551
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
515 local function wrapclient(conn, addr, port, listeners, pattern, tls)
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
516 local client = setmetatable({
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
517 conn = conn;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
518 created = gettime();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
519 listeners = listeners;
7551
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
520 _pattern = pattern;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
521 writebuffer = {};
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
522 tls = tls;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
523 onwriteable = interface.onconnect;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
524 peer = { addr, port };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
525 }, interface_mt);
7551
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
526 fds[client:getfd()] = client;
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
527 client:setflags(false, true);
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
528 return client;
7547
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
7553
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
531 local function addclient(addr, port, listeners, pattern, tls)
7596
2c4ba55b616c net.server_epoll: Connect async in addclient
Kim Alvefur <zash@zash.se>
parents: 7595
diff changeset
532 local conn, err = socket.tcp();
7553
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
533 if not conn then return conn, err; end
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
534 conn:settimeout(0);
7596
2c4ba55b616c net.server_epoll: Connect async in addclient
Kim Alvefur <zash@zash.se>
parents: 7595
diff changeset
535 conn:connect(addr, port);
7553
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
536 local client = wrapclient(conn, addr, port, listeners, pattern, tls);
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
537 if tls then
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
538 client._tls = false;
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
539 client:starttls();
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
540 else
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
541 client:setflags(true, true);
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
542 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
543 return client, conn;
7553
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
544 end
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
545
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
546 local function link(from, to)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
547 from.listeners = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
548 onincoming = function (_, data)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
549 from:pause();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
550 to:write(data);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
551 end,
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
552 }, {__index=from.listeners});
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
553 to.listeners = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
554 ondrain = function ()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
555 from:resume();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
556 end,
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
557 }, {__index=to.listeners});
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
558 from:setflags(true, nil);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
559 to:setflags(nil, true);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
560 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
561
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
562 -- XXX What uses this?
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
563 -- net.adns
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
564 function interface:set_send(new_send)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
565 self.send = new_send;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
566 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
567
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
568 local quitting = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
569
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
570 local function setquitting()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
571 quitting = "quitting";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
572 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
573
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
574 local function loop()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
575 repeat
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
576 local t = runtimers();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
577 local fd, r, w = epoll.wait(t);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
578 if fd then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
579 local conn = fds[fd];
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
580 if conn then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
581 if r then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
582 conn:onreadable();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
583 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
584 if w then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
585 conn:onwriteable();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
586 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
587 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
588 log("debug", "Removing unknown fd %d", fd);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
589 epoll.ctl("del", fd);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
590 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
591 elseif r ~= "timeout" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
592 log("debug", "epoll_wait error: %s", tostring(r));
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
593 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
594 until quitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
595 return quitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
596 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
597
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
598 return {
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
599 get_backend = function () return "epoll"; end;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
600 addserver = addserver;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
601 addclient = addclient;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
602 add_task = addtimer;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
603 at = at;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
604 loop = loop;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
605 setquitting = setquitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
606 wrapclient = wrapclient;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
607 link = link;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
608
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
609 -- libevent emulation
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
610 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
611 addevent = function (fd, mode, callback)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
612 local function onevent(self)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
613 local ret = self:callback();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
614 if ret == -1 then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
615 epoll.ctl("del", fd);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
616 elseif ret then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
617 epoll.ctl("mod", fd, mode);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
618 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
619 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
620
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
621 local conn = {
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
622 callback = callback;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
623 onreadable = onevent;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
624 onwriteable = onevent;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
625 close = function ()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
626 fds[fd] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
627 return epoll.ctl("del", fd);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
628 end;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
629 };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
630 fds[fd] = conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
631 local ok, err = epoll.ctl("add", fd, mode or "r");
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
632 if not ok then return ok, err; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
633 return conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
634 end;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
635 };