prosody
71dc0d89a9b8
net/server_epoll.lua

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net/server_epoll.lua @ 7563:71dc0d89a9b8

net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
author Kim Alvefur <zash@zash.se>
date Sun, 14 Aug 2016 01:09:55 +0200
parent 7560:785fa1138293
child 7564:f95ffd24e042
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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 log = require "util.logger".init("server_epoll");
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18 local epoll = require "epoll";
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19 local socket = require "socket";
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20 local luasec = require "ssl";
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21 local gettime = require "util.time".now;
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22 local createtable = require "util.table".create;
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23
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24 local _ENV = nil;
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25
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26 local cfg = {
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27 read_timeout = 900;
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28 write_timeout = 7;
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29 tcp_backlog = 128;
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30 accept_retry_interval = 10;
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31 read_retry_delay = 1e-06;
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32 };
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33
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34 local fds = createtable(10, 0); -- FD -> conn
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35 local timers = {};
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36
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37 local function noop() end
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38 local function closetimer(t)
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39 t[1] = 0;
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40 t[2] = noop;
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41 end
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42
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43 local resort_timers = false;
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44 local function at(time, f)
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45 local timer = { time, f, close = closetimer };
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46 t_insert(timers, timer);
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47 resort_timers = true;
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48 return timer;
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49 end
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50 local function addtimer(timeout, f)
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51 return at(gettime() + timeout, f);
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52 end
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53
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54 local function runtimers()
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55 if resort_timers then
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56 -- Sort earliest timers to the end
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57 t_sort(timers, function (a, b) return a[1] > b[1]; end);
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58 resort_timers = false;
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59 end
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60
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61 --[[ Is it worth it to skip the noop calls?
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62 for i = #timers, 1, -1 do
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63 if timers[i][2] == noop then
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64 timers[i] = nil;
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65 else
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66 break;
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67 end
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68 end
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69 --]]
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70
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71 local next_delay = 86400;
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72
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73 -- Iterate from the end and remove completed timers
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74 for i = #timers, 1, -1 do
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75 local timer = timers[i];
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76 local t, f = timer[1], timer[2];
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77 local now = gettime(); -- inside or before the loop?
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78 if t > now then
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79 local diff = t - now;
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80 if diff < next_delay then
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81 next_delay = diff;
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82 end
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83 break;
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84 end
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85 local new_timeout = f(now);
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86 if new_timeout then
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87 timer[1] = t + new_timeout;
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88 resort_timers = true;
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89 else
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90 t_remove(timers, i);
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91 end
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92 end
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93 if resort_timers or next_delay < 1e-6 then
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94 -- Timers may be added from within a timer callback.
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95 -- Those would not be considered for next_dela,
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96 -- and we might sleep for too long, so instead
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97 -- we return a shorter timeout so we can
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98 -- properly sort all new timers.
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99 next_delay = 1e-6;
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100 end
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101 return next_delay;
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102 end
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103
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104 local interface = {};
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105 local interface_mt = { __index = interface };
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106
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107 function interface_mt:__tostring()
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108 if self.peer then
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109 if self.conn then
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110 return ("%d %s [%s]:%d"):format(self:getfd(), tostring(self.conn), self.peer[1], self.peer[2]);
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111 else
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112 return ("%d [%s]:%d"):format(self:getfd(), self.peer[1], self.peer[2]);
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113 end
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114 end
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115 return tostring(self:getfd());
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116 end
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117
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118 function interface:setlistener(listeners)
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119 self.listeners = listeners;
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120 end
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121
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122 function interface:getfd()
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123 return self.conn:getfd();
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124 end
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125
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126 function interface:ip()
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127 return self.peer[1];
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128 end
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129
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130 function interface:socket()
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131 return self.conn;
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132 end
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133
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134 function interface:setoption(k, v)
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135 -- LuaSec doesn't expose setoption :(
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136 if self.conn.setoption then
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137 self.conn:setoption(k, v);
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138 end
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139 end
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140
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141 function interface:setreadtimeout(t)
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142 if t == false then
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143 if self._readtimeout then
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144 self._readtimeout:close();
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145 self._readtimeout = nil;
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146 end
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147 return
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148 end
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149 t = t or cfg.read_timeout;
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150 if self._readtimeout then
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diff changeset
151 self._readtimeout[1] = gettime() + t;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
152 resort_timers = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
153 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
154 self._readtimeout = addtimer(t, function ()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
155 if self:onreadtimeout() then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
156 return cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
157 else
7563
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
158 self:ondisconnect("read timeout");
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
159 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
160 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
161 end);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
162 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
163 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
164
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
165 function interface:onreadtimeout()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
166 if self.listeners.onreadtimeout then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
167 return self.listeners.onreadtimeout(self);
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 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
170
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
171 function interface:setwritetimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
172 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
173 if self._writetimeout then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
174 self._writetimeout:close();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
175 self._writetimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
176 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
177 return
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 t = t or cfg.write_timeout;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
180 if self._writetimeout then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
181 self._writetimeout[1] = gettime() + t;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
182 resort_timers = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
183 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
184 self._writetimeout = addtimer(t, function ()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
185 self.listeners.ondisconnect(self, "write timeout");
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
186 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
187 end);
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 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
190
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
191 function interface:flags()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
192 if self._wantread then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
193 if self._wantwrite then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
194 return "rw";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
195 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
196 return "r";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
197 elseif self._wantwrite then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
198 return "w";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
199 end
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
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
202 function interface:setflags(r, w)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
203 if r ~= nil then self._wantread = r; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
204 if w ~= nil then self._wantwrite = w; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
205 local flags = self:flags();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
206 local currentflags = self._flags;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
207 if flags == currentflags then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
208 return true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
209 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
210 local fd = self:getfd();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
211 local op = "mod";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
212 if not flags then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
213 op = "del";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
214 elseif not currentflags then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
215 op = "add";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
216 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
217 local ok, err = epoll.ctl(op, fd, flags);
7552
f1ae74ebeb81 net.server_epoll: Log epoll_ctl() calls and return values
Kim Alvefur <zash@zash.se>
parents: 7551
diff changeset
218 log("debug", "epoll_ctl(%q, %d, %q) -> %s" .. (err and ", %q" or ""),
f1ae74ebeb81 net.server_epoll: Log epoll_ctl() calls and return values
Kim Alvefur <zash@zash.se>
parents: 7551
diff changeset
219 op, fd, flags or "", tostring(ok), err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
220 if not ok then return ok, err end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
221 self._flags = flags;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
222 return true;
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:onreadable()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
226 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
227 if data or partial then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
228 self.listeners.onincoming(self, data or partial, err);
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 if err == "wantread" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
231 self:setflags(true, nil);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
232 elseif err == "wantwrite" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
233 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
234 elseif not data and err ~= "timeout" then
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
235 self.listeners.ondisconnect(self, err);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
236 self:destroy()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
237 return;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
238 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
239 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
240 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
241 self:pausefor(cfg.read_retry_delay);
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
242 end
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
243 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
244
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
245 function interface:onwriteable()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
246 local buffer = self.writebuffer;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
247 local data = t_concat(buffer);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
248 local ok, err, partial = self.conn:send(data);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
249 if ok then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
250 for i = #buffer, 1, -1 do
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
251 buffer[i] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
252 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
253 self:ondrain();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
254 if not buffer[1] then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
255 self:setflags(nil, false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
256 self:setwritetimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
257 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
258 self:setwritetimeout();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
259 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
260 elseif partial then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
261 buffer[1] = data:sub(partial+1)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
262 for i = #buffer, 2, -1 do
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
263 buffer[i] = nil;
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 self:setwritetimeout();
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 if err == "wantwrite" or err == "timeout" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
268 self:setflags(nil, true);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
269 elseif err == "wantread" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
270 self:setflags(true, nil);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
271 elseif err and err ~= "timeout" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
272 self.listeners.ondisconnect(self, err);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
273 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
274 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
275 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
276
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
277 function interface:ondrain()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
278 if self.listeners.ondrain then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
279 self.listeners.ondrain(self);
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 if self._starttls then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
282 self:starttls();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
283 elseif self._toclose then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
284 self:close();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
285 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
286 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
287
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
288 function interface:write(data)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
289 local buffer = self.writebuffer;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
290 if buffer then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
291 t_insert(buffer, data);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
292 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
293 self.writebuffer = { data };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
294 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
295 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
296 self:setflags(nil, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
297 return #data;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
298 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
299 interface.send = interface.write;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
300
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
301 function interface:close()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
302 if self._wantwrite then
7555
f3abb5f891eb net.server_epoll: Some logging when closing a connection
Kim Alvefur <zash@zash.se>
parents: 7554
diff changeset
303 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
304 self._toclose = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
305 else
7555
f3abb5f891eb net.server_epoll: Some logging when closing a connection
Kim Alvefur <zash@zash.se>
parents: 7554
diff changeset
306 log("debug", "Close %s", tostring(self));
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
307 self.close = noop;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
308 self.listeners.ondisconnect(self);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
309 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
310 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
311 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
312
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
313 function interface:destroy()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
314 self:setflags(false, false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
315 self:setwritetimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
316 self:setreadtimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
317 fds[self:getfd()] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
318 return self.conn:close();
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
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
321 function interface:ssl()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
322 return self._tls;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
323 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
324
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
325 function interface:starttls(ctx)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
326 if ctx then self.tls = ctx; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
327 if self.writebuffer and self.writebuffer[1] then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
328 self._starttls = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
329 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
330 self:setflags(false, false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
331 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
332 if not conn then
7563
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
333 self:ondisconnect(err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
334 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
335 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
336 conn:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
337 self.conn = conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
338 self._starttls = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
339 self.onwriteable = interface.tlshandskake;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
340 self.onreadable = interface.tlshandskake;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
341 self:setflags(true, true);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
342 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
343 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
344
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
345 function interface:tlshandskake()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
346 local ok, err = self.conn:dohandshake();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
347 if ok then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
348 self.onwriteable = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
349 self.onreadable = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
350 self:setflags(true, true);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
351 local old = self._tls;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
352 self._tls = true;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
353 self.starttls = false;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
354 if old == false then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
355 self:onconnect();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
356 elseif self.listeners.onstatus then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
357 self.listeners.onstatus(self, "ssl-handshake-complete");
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
358 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
359 elseif err == "wantread" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
360 self:setflags(true, false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
361 self:setwritetimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
362 self:setreadtimeout(cfg.handshake_timeout);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
363 elseif err == "wantwrite" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
364 self:setflags(false, true);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
365 self:setreadtimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
366 self:setwritetimeout(cfg.handshake_timeout);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
367 else
7563
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
368 self:ondisconnect(err);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
369 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
370 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
371 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
372
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
373 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
374 client:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
375 local conn = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
376 conn = client;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
377 server = server;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
378 created = gettime();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
379 listeners = listeners;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
380 _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
381 onwriteable = interface.onconnect;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
382 writebuffer = {};
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
383 tls = tls;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
384 }, interface_mt);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
385 if client.getpeername then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
386 conn.peer = {client:getpeername()}
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
387 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
388
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
389 fds[conn:getfd()] = conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
390 return conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
391 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
392
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
393 function interface:onacceptable()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
394 local conn, err = self.conn:accept();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
395 if not conn then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
396 log(debug, "Error accepting new client: %s, server will be paused for %ds", err, cfg.accept_retry_interval);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
397 self:pausefor(cfg.accept_retry_interval);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
398 return;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
399 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
400 local client = wrapsocket(conn, self, nil, self.listeners, self.tls);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
401 if self.tls then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
402 client._tls = false;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
403 client:starttls();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
404 else
7554
c2decf88e249 net.server_epoll: Use first writable event to signal onconnect
Kim Alvefur <zash@zash.se>
parents: 7553
diff changeset
405 client:setflags(false, true);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
406 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
407 client:setreadtimeout();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
408 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
409
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
410 function interface:pause()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
411 self:setflags(false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
412 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
413
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
414 function interface:resume()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
415 self:setflags(true);
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
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
418 function interface:pausefor(t)
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
419 if self._pausefor then
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
420 self._pausefor:close();
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
421 end
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
422 if t == false then return; end
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
423 self:setflags(false);
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
424 self._pausefor = addtimer(t, function ()
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
425 self._pausefor = nil;
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
426 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
427 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
428 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
429 end
7559
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents: 7558
diff changeset
430 end);
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
431 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
432
7563
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
433 function interface:ondisconnect(err)
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
434 if self.listeners.ondisconnect then
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
435 self.listeners.ondisconnect(self, err);
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
436 end
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
437 end
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
438
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
439 function interface:onconnect()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
440 self.onwriteable = nil;
7563
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
441 if self.listeners.onconnect then
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
442 self.listeners.onconnect(self);
71dc0d89a9b8 net.server_epoll: Wrap calling of ondisconnect listener in additional indirection
Kim Alvefur <zash@zash.se>
parents: 7560
diff changeset
443 end
7554
c2decf88e249 net.server_epoll: Use first writable event to signal onconnect
Kim Alvefur <zash@zash.se>
parents: 7553
diff changeset
444 self:setflags(true);
c2decf88e249 net.server_epoll: Use first writable event to signal onconnect
Kim Alvefur <zash@zash.se>
parents: 7553
diff changeset
445 return self:onwriteable();
7547
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 local function addserver(addr, port, listeners, pattern, tls)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
449 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
450 if not conn then return conn, err; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
451 conn:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
452 local server = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
453 conn = conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
454 created = gettime();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
455 listeners = listeners;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
456 _pattern = pattern;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
457 onreadable = interface.onacceptable;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
458 tls = tls;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
459 peer = { addr, port };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
460 }, interface_mt);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
461 server:setflags(true, false);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
462 fds[server:getfd()] = server;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
463 return server;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
464 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
465
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
466 -- COMPAT
7551
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
467 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
468 local client = setmetatable({
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
469 conn = conn;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
470 created = gettime();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
471 listeners = listeners;
7551
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
472 _pattern = pattern;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
473 writebuffer = {};
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
474 tls = tls;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
475 onwriteable = interface.onconnect;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
476 peer = { addr, port };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
477 }, interface_mt);
7551
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
478 fds[client:getfd()] = client;
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
479 client:setflags(false, true);
838212918f11 net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents: 7550
diff changeset
480 return client;
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
481 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
482
7553
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
483 local function addclient(addr, port, listeners, pattern, tls)
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
484 local conn, err = socket.connect(addr, port);
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
485 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
486 conn:settimeout(0);
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
487 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
488 if tls then
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
489 client._tls = false;
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
490 client:starttls();
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
491 else
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
492 client:setflags(true, true);
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
493 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
494 return client, conn;
7553
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
495 end
4f3e4a092348 net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents: 7552
diff changeset
496
7547
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
497 local function link(from, to)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
498 from.listeners = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
499 onincoming = function (_, data)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
500 from:pause();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
501 to:write(data);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
502 end,
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
503 }, {__index=from.listeners});
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
504 to.listeners = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
505 ondrain = function ()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
506 from:resume();
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 }, {__index=to.listeners});
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
509 from:setflags(true, nil);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
510 to:setflags(nil, true);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
511 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
512
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
513 -- XXX What uses this?
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
514 -- net.adns
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
515 function interface:set_send(new_send)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
516 self.send = new_send;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
517 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
518
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
519 local quitting = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
520
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
521 local function setquitting()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
522 quitting = "quitting";
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
523 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
524
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
525 local function loop()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
526 repeat
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
527 local t = runtimers();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
528 local fd, r, w = epoll.wait(t);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
529 if fd then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
530 local conn = fds[fd];
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
531 if conn then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
532 if r then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
533 conn:onreadable();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
534 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
535 if w then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
536 conn:onwriteable();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
537 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
538 else
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
539 log("debug", "Removing unknown fd %d", fd);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
540 epoll.ctl("del", fd);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
541 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
542 elseif r ~= "timeout" then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
543 log("debug", "epoll_wait error: %s", tostring(r));
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
544 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
545 until quitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
546 return quitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
547 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
548
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
549 return {
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
550 get_backend = function () return "epoll"; end;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
551 addserver = addserver;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
552 addclient = addclient;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
553 add_task = addtimer;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
554 at = at;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
555 loop = loop;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
556 setquitting = setquitting;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
557 wrapclient = wrapclient;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
558 link = link;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
559
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
560 -- libevent emulation
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
561 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
562 addevent = function (fd, mode, callback)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
563 local function onevent(self)
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
564 local ret = self:callback();
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
565 if ret == -1 then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
566 epoll.ctl("del", fd);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
567 elseif ret then
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
568 epoll.ctl("mod", fd, mode);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
569 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
570 end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
571
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
572 local conn = {
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
573 callback = callback;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
574 onreadable = onevent;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
575 onwriteable = onevent;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
576 close = function ()
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
577 fds[fd] = nil;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
578 return epoll.ctl("del", fd);
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
579 end;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
580 };
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
581 fds[fd] = conn;
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
582 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
583 if not ok then return ok, err; end
b327322ce2dd net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff changeset
584 return conn;
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 };