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net/server_epoll.lua @ 9796:adfb29f44412
mod_http: Set up to handle OPTIONS
Lower priority to allow http modules to handle it themselves, should
they wish to
author | Kim Alvefur <zash@zash.se> |
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date | Fri, 18 Jan 2019 02:03:40 +0100 |
parent | 9696:ed0917381b4d |
child | 9823:b61ba4496923 |
rev | line source |
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1 -- Prosody IM |
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2 -- Copyright (C) 2016-2018 Kim Alvefur |
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3 -- |
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4 -- This project is MIT/X11 licensed. Please see the |
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5 -- COPYING file in the source package for more information. |
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6 -- |
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7 |
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8 |
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9 local t_sort = table.sort; |
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10 local t_insert = table.insert; |
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11 local t_remove = table.remove; |
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12 local t_concat = table.concat; |
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13 local setmetatable = setmetatable; |
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14 local tostring = tostring; |
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15 local pcall = pcall; |
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16 local type = type; |
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17 local next = next; |
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18 local pairs = pairs; |
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19 local log = require "util.logger".init("server_epoll"); |
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20 local socket = require "socket"; |
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21 local luasec = require "ssl"; |
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22 local gettime = require "util.time".now; |
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23 local createtable = require "util.table".create; |
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24 local inet = require "util.net"; |
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25 local inet_pton = inet.pton; |
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26 local _SOCKETINVALID = socket._SOCKETINVALID or -1; |
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27 |
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28 local poller = require "util.poll" |
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29 local EEXIST = poller.EEXIST; |
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30 local ENOENT = poller.ENOENT; |
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31 |
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32 local poll = assert(poller.new()); |
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33 |
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34 local _ENV = nil; |
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35 -- luacheck: std none |
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36 |
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37 local default_config = { __index = { |
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38 -- If a connection is silent for this long, close it unless onreadtimeout says not to |
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39 read_timeout = 14 * 60; |
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40 |
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41 -- How long to wait for a socket to become writable after queuing data to send |
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42 write_timeout = 60; |
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43 |
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44 -- Some number possibly influencing how many pending connections can be accepted |
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45 tcp_backlog = 128; |
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46 |
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47 -- If accepting a new incoming connection fails, wait this long before trying again |
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48 accept_retry_interval = 10; |
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49 |
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50 -- If there is still more data to read from LuaSocktes buffer, wait this long and read again |
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51 read_retry_delay = 1e-06; |
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52 |
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53 -- Size of chunks to read from sockets |
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54 read_size = 8192; |
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55 |
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56 -- Timeout used during between steps in TLS handshakes |
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57 handshake_timeout = 60; |
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58 |
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59 -- Maximum and minimum amount of time to sleep waiting for events (adjusted for pending timers) |
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60 max_wait = 86400; |
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61 min_wait = 1e-06; |
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62 }}; |
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63 local cfg = default_config.__index; |
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64 |
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65 local fds = createtable(10, 0); -- FD -> conn |
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66 |
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67 -- Timer and scheduling -- |
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68 |
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69 local timers = {}; |
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70 |
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71 local function noop() end |
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72 local function closetimer(t) |
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73 t[1] = 0; |
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74 t[2] = noop; |
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75 end |
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76 |
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77 -- Set to true when timers have changed |
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78 local resort_timers = false; |
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79 |
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80 -- Add absolute timer |
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81 local function at(time, f) |
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82 local timer = { time, f, close = closetimer }; |
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83 t_insert(timers, timer); |
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84 resort_timers = true; |
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85 return timer; |
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86 end |
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87 |
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88 -- Add relative timer |
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89 local function addtimer(timeout, f) |
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90 return at(gettime() + timeout, f); |
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91 end |
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92 |
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93 -- Run callbacks of expired timers |
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94 -- Return time until next timeout |
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95 local function runtimers(next_delay, min_wait) |
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96 -- Any timers at all? |
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97 if not timers[1] then |
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98 return next_delay; |
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99 end |
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100 |
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101 if resort_timers then |
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102 -- Sort earliest timers to the end |
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103 t_sort(timers, function (a, b) return a[1] > b[1]; end); |
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104 resort_timers = false; |
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105 end |
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106 |
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107 -- Iterate from the end and remove completed timers |
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108 for i = #timers, 1, -1 do |
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109 local timer = timers[i]; |
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110 local t, f = timer[1], timer[2]; |
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112 local now = gettime(); | |
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113 if t > now then |
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114 -- This timer should not fire yet |
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115 local diff = t - now; |
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116 if diff < next_delay then |
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117 next_delay = diff; |
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118 end |
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119 break; |
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120 end |
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121 local new_timeout = f(now); |
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122 if new_timeout then |
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123 -- Schedule for 'delay' from the time actually scheduled, not from now, |
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124 -- in order to prevent timer drift, unless it already drifted way out of sync. |
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125 if (t + new_timeout) > ( now - new_timeout ) then |
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|
126 timer[1] = t + new_timeout; |
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127 else |
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|
128 timer[1] = now + new_timeout; |
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129 end |
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130 resort_timers = true; |
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131 else |
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132 t_remove(timers, i); |
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133 end |
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134 end |
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135 |
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|
136 if resort_timers or next_delay < min_wait then |
7558
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|
137 -- Timers may be added from within a timer callback. |
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|
138 -- Those would not be considered for next_delay, |
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|
139 -- and we might sleep for too long, so instead |
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|
140 -- we return a shorter timeout so we can |
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|
141 -- properly sort all new timers. |
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|
142 next_delay = min_wait; |
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|
143 end |
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|
144 |
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|
145 return next_delay; |
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|
146 end |
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147 |
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148 -- Socket handler interface |
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149 |
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150 local interface = {}; |
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151 local interface_mt = { __index = interface }; |
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152 |
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153 function interface_mt:__tostring() |
7585
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154 if self.sockname and self.peername then |
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155 return ("FD %d (%s, %d, %s, %d)"):format(self:getfd(), self.peername, self.peerport, self.sockname, self.sockport); |
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|
156 elseif self.sockname or self.peername then |
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157 return ("FD %d (%s, %d)"):format(self:getfd(), self.sockname or self.peername, self.sockport or self.peerport); |
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158 end |
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|
159 return ("FD %d"):format(self:getfd()); |
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160 end |
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|
161 |
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162 -- Replace the listener and tell the old one |
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|
163 function interface:setlistener(listeners, data) |
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net.server_epoll: Call ondetach when listeners are replaced
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|
164 self:on("detach"); |
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165 self.listeners = listeners; |
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|
166 self:on("attach", data); |
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|
167 end |
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|
168 |
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|
169 -- Call a listener callback |
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|
170 function interface:on(what, ...) |
8006
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net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
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|
171 if not self.listeners then |
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|
172 log("error", "%s has no listeners", self); |
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net.server_epoll: Log if there's a connection without listeners
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|
173 return; |
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|
174 end |
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|
175 local listener = self.listeners["on"..what]; |
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|
176 if not listener then |
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|
177 -- log("debug", "Missing listener 'on%s'", what); -- uncomment for development and debugging |
0498daffa6f0
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|
178 return; |
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|
179 end |
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180 local ok, err = pcall(listener, self, ...); |
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|
181 if not ok then |
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|
182 log("error", "Error calling on%s: %s", what, err); |
9696
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net.server_epoll: Bail on callback error
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parents:
9695
diff
changeset
|
183 return; |
7583
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|
184 end |
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185 return err; |
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|
186 end |
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|
187 |
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|
188 -- Return the file descriptor number |
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|
189 function interface:getfd() |
7586
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net.server_epoll: Return something as FD when no connection exists
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|
190 if self.conn then |
846fdbbc62ba
net.server_epoll: Return something as FD when no connection exists
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|
191 return self.conn:getfd(); |
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diff
changeset
|
192 end |
7737
f93b3083b46b
net.server_epoll: Use _SOCKETINVALID from LuaSocket
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parents:
7707
diff
changeset
|
193 return _SOCKETINVALID; |
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|
194 end |
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195 |
8271
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|
196 function interface:server() |
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|
197 return self._server or self; |
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|
198 end |
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|
199 |
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|
200 -- Get IP address |
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|
201 function interface:ip() |
7584
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|
202 return self.peername or self.sockname; |
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203 end |
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|
204 |
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|
205 -- Get a port number, doesn't matter which |
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|
206 function interface:port() |
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207 return self.sockport or self.peerport; |
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|
208 end |
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|
209 |
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|
210 -- Get local port number |
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|
211 function interface:clientport() |
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|
212 return self.sockport; |
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|
213 end |
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|
214 |
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|
215 -- Get remote port |
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|
216 function interface:serverport() |
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|
217 if self.sockport then |
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|
218 return self.sockport; |
8271
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|
219 elseif self._server then |
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|
220 self._server:port(); |
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|
221 end |
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|
222 end |
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|
223 |
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|
224 -- Return underlying socket |
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changeset
|
225 function interface:socket() |
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|
226 return self.conn; |
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|
227 end |
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|
228 |
7910
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net.server_epoll: Add method for changing read pattern
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7817
diff
changeset
|
229 function interface:set_mode(new_mode) |
9310
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net.server_epoll: Rename pattern to read_size
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parents:
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changeset
|
230 self.read_size = new_mode; |
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|
231 end |
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|
232 |
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|
233 function interface:setoption(k, v) |
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|
234 -- LuaSec doesn't expose setoption :( |
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|
235 if self.conn.setoption then |
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|
236 self.conn:setoption(k, v); |
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|
237 end |
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|
238 end |
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|
239 |
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|
240 -- Timeout for detecting dead or idle sockets |
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|
241 function interface:setreadtimeout(t) |
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|
242 if t == false then |
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243 if self._readtimeout then |
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244 self._readtimeout:close(); |
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245 self._readtimeout = nil; |
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246 end |
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247 return |
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248 end |
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249 t = t or cfg.read_timeout; |
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250 if self._readtimeout then |
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251 self._readtimeout[1] = gettime() + t; |
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252 resort_timers = true; |
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253 else |
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254 self._readtimeout = addtimer(t, function () |
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255 if self:on("readtimeout") then |
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256 return cfg.read_timeout; |
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257 else |
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258 self:on("disconnect", "read timeout"); |
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259 self:destroy(); |
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260 end |
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261 end); |
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262 end |
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263 end |
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|
264 |
7637
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265 -- Timeout for detecting dead sockets |
7547
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266 function interface:setwritetimeout(t) |
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|
267 if t == false then |
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|
268 if self._writetimeout then |
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|
269 self._writetimeout:close(); |
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270 self._writetimeout = nil; |
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|
271 end |
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272 return |
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273 end |
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|
274 t = t or cfg.write_timeout; |
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|
275 if self._writetimeout then |
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276 self._writetimeout[1] = gettime() + t; |
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277 resort_timers = true; |
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|
278 else |
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|
279 self._writetimeout = addtimer(t, function () |
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280 self:on("disconnect", "write timeout"); |
7547
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281 self:destroy(); |
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|
282 end); |
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|
283 end |
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284 end |
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285 |
9314
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|
286 function interface:add(r, w) |
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|
287 local fd = self:getfd(); |
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288 if fd < 0 then |
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289 return nil, "invalid fd"; |
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290 end |
9314
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291 if r == nil then r = self._wantread; end |
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292 if w == nil then w = self._wantwrite; end |
9384
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diff
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|
293 local ok, err, errno = poll:add(fd, r, w); |
9314
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|
294 if not ok then |
9506
ae6636052be9
net.server_epoll: Graceful handling of registering already added socket
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diff
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|
295 if errno == EEXIST then |
ae6636052be9
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diff
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|
296 log("debug", "%s already registered!", self); |
ae6636052be9
net.server_epoll: Graceful handling of registering already added socket
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|
297 return self:set(r, w); -- So try to change its flags |
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diff
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|
298 end |
9441
116a9d0a295c
net.server_epoll: Pass error number to logging
Kim Alvefur <zash@zash.se>
parents:
9439
diff
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|
299 log("error", "Could not register %s: %s(%d)", self, err, errno); |
9314
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|
300 return ok, err; |
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301 end |
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diff
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|
302 self._wantread, self._wantwrite = r, w; |
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|
303 fds[fd] = self; |
9381
80be543a3785
net.server_epoll: Watching instead of registering, seems more understandable
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diff
changeset
|
304 log("debug", "Watching %s", self); |
9314
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diff
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|
305 return true; |
7547
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diff
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|
306 end |
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diff
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|
307 |
9314
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9311
diff
changeset
|
308 function interface:set(r, w) |
7547
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parents:
diff
changeset
|
309 local fd = self:getfd(); |
7602
a4d5eec36a17
net.server_epoll: Prevent invalid FDs from being added to epoll
Kim Alvefur <zash@zash.se>
parents:
7601
diff
changeset
|
310 if fd < 0 then |
a4d5eec36a17
net.server_epoll: Prevent invalid FDs from being added to epoll
Kim Alvefur <zash@zash.se>
parents:
7601
diff
changeset
|
311 return nil, "invalid fd"; |
a4d5eec36a17
net.server_epoll: Prevent invalid FDs from being added to epoll
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parents:
7601
diff
changeset
|
312 end |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
313 if r == nil then r = self._wantread; end |
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net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
314 if w == nil then w = self._wantwrite; end |
9384
5c8006ce8cb8
net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents:
9383
diff
changeset
|
315 local ok, err, errno = poll:set(fd, r, w); |
9314
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net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
316 if not ok then |
9384
5c8006ce8cb8
net.server_epoll: Include errno in log messages
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diff
changeset
|
317 log("error", "Could not update poller state %s: %s(%d)", self, err, errno); |
9314
c9eef7e8ee65
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parents:
9311
diff
changeset
|
318 return ok, err; |
7547
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parents:
diff
changeset
|
319 end |
9314
c9eef7e8ee65
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parents:
9311
diff
changeset
|
320 self._wantread, self._wantwrite = r, w; |
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diff
changeset
|
321 return true; |
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diff
changeset
|
322 end |
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parents:
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diff
changeset
|
323 |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
324 function interface:del() |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
325 local fd = self:getfd(); |
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parents:
9311
diff
changeset
|
326 if fd < 0 then |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
327 return nil, "invalid fd"; |
7625
6afafd6d4ef0
net.server_epoll: Move management of fd registry to :setflags
Kim Alvefur <zash@zash.se>
parents:
7624
diff
changeset
|
328 end |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
329 if fds[fd] ~= self then |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
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|
330 return nil, "unregistered fd"; |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
331 end |
9384
5c8006ce8cb8
net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents:
9383
diff
changeset
|
332 local ok, err, errno = poll:del(fd); |
9507
33d21f020b66
net.server_epoll: Ignore ENOENT when deregitering socket
Kim Alvefur <zash@zash.se>
parents:
9506
diff
changeset
|
333 if not ok and errno ~= ENOENT then |
9384
5c8006ce8cb8
net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents:
9383
diff
changeset
|
334 log("error", "Could not unregister %s: %s(%d)", self, err, errno); |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
335 return ok, err; |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
336 end |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
337 self._wantread, self._wantwrite = nil, nil; |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
338 fds[fd] = nil; |
9381
80be543a3785
net.server_epoll: Watching instead of registering, seems more understandable
Kim Alvefur <zash@zash.se>
parents:
9321
diff
changeset
|
339 log("debug", "Unwatched %s", self); |
7547
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net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
340 return true; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
341 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
342 |
9320
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
343 function interface:setflags(r, w) |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
344 if not(self._wantread or self._wantwrite) then |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
345 if not(r or w) then |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
346 return true; -- no change |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
347 end |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
348 return self:add(r, w); |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
349 end |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
350 if not(r or w) then |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
351 return self:del(); |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
352 end |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
353 return self:set(r, w); |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
354 end |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9319
diff
changeset
|
355 |
7573
0f0a6febbc5a
net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents:
7564
diff
changeset
|
356 -- Called when socket is readable |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
357 function interface:onreadable() |
9311
9b0604fe01f1
net.server_epoll: Make read_size a server-wide option
Kim Alvefur <zash@zash.se>
parents:
9310
diff
changeset
|
358 local data, err, partial = self.conn:receive(self.read_size or cfg.read_size); |
7687
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7658
diff
changeset
|
359 if data then |
8540
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8507
diff
changeset
|
360 self:onconnect(); |
7687
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7658
diff
changeset
|
361 self:on("incoming", data); |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7658
diff
changeset
|
362 else |
8540
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8507
diff
changeset
|
363 if partial and partial ~= "" then |
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8507
diff
changeset
|
364 self:onconnect(); |
7687
ae24deae6488
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7658
diff
changeset
|
365 self:on("incoming", partial, err); |
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parents:
7658
diff
changeset
|
366 end |
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parents:
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diff
changeset
|
367 if err == "wantread" then |
9314
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net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
368 self:set(true, nil); |
7687
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parents:
7658
diff
changeset
|
369 elseif err == "wantwrite" then |
9314
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net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
370 self:set(nil, true); |
7687
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parents:
7658
diff
changeset
|
371 elseif err ~= "timeout" then |
ae24deae6488
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Kim Alvefur <zash@zash.se>
parents:
7658
diff
changeset
|
372 self:on("disconnect", err); |
ae24deae6488
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diff
changeset
|
373 self:destroy() |
ae24deae6488
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parents:
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diff
changeset
|
374 return; |
ae24deae6488
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Kim Alvefur <zash@zash.se>
parents:
7658
diff
changeset
|
375 end |
ae24deae6488
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parents:
7658
diff
changeset
|
376 end |
7691
a5ad858f3a93
net.server_epoll: Check that connection still exists after callback, fixes traceback when closed
Kim Alvefur <zash@zash.se>
parents:
7687
diff
changeset
|
377 if not self.conn then return; end |
7606
f40f1d9b7872
net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents:
7604
diff
changeset
|
378 if self.conn:dirty() then |
f40f1d9b7872
net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents:
7604
diff
changeset
|
379 self:setreadtimeout(false); |
f40f1d9b7872
net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents:
7604
diff
changeset
|
380 self:pausefor(cfg.read_retry_delay); |
f40f1d9b7872
net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents:
7604
diff
changeset
|
381 else |
f40f1d9b7872
net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents:
7604
diff
changeset
|
382 self:setreadtimeout(); |
f40f1d9b7872
net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents:
7604
diff
changeset
|
383 end |
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changeset
|
384 end |
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parents:
diff
changeset
|
385 |
7573
0f0a6febbc5a
net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents:
7564
diff
changeset
|
386 -- Called when socket is writable |
8542
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8541
diff
changeset
|
387 function interface:onwritable() |
8552
1fcefc16a55d
server_epoll: Onconnect should happen before first attempt to write to socket
Kim Alvefur <zash@zash.se>
parents:
8542
diff
changeset
|
388 self:onconnect(); |
8776
e7d4344e0fea
net.server_epoll: Handle connection being closed and destroyed in onconnect callback
Kim Alvefur <zash@zash.se>
parents:
8555
diff
changeset
|
389 if not self.conn then return; end -- could have been closed in onconnect |
7547
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parents:
diff
changeset
|
390 local buffer = self.writebuffer; |
b327322ce2dd
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parents:
diff
changeset
|
391 local data = t_concat(buffer); |
b327322ce2dd
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parents:
diff
changeset
|
392 local ok, err, partial = self.conn:send(data); |
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parents:
diff
changeset
|
393 if ok then |
9314
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net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
394 self:set(nil, false); |
8541
8186114329d6
net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless
Kim Alvefur <zash@zash.se>
parents:
8540
diff
changeset
|
395 for i = #buffer, 1, -1 do |
8186114329d6
net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless
Kim Alvefur <zash@zash.se>
parents:
8540
diff
changeset
|
396 buffer[i] = nil; |
7547
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
397 end |
8541
8186114329d6
net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless
Kim Alvefur <zash@zash.se>
parents:
8540
diff
changeset
|
398 self:setwritetimeout(false); |
8186114329d6
net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless
Kim Alvefur <zash@zash.se>
parents:
8540
diff
changeset
|
399 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
|
400 return; |
8540
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8507
diff
changeset
|
401 elseif partial then |
7591
138f16eb39fb
net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents:
7590
diff
changeset
|
402 buffer[1] = data:sub(partial+1); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
403 for i = #buffer, 2, -1 do |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
404 buffer[i] = nil; |
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 self:setwritetimeout(); |
b327322ce2dd
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
407 end |
b327322ce2dd
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parents:
diff
changeset
|
408 if err == "wantwrite" or err == "timeout" then |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
409 self:set(nil, true); |
7547
b327322ce2dd
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
410 elseif err == "wantread" then |
9314
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net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
411 self:set(true, nil); |
7687
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7658
diff
changeset
|
412 elseif err ~= "timeout" then |
7583
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7574
diff
changeset
|
413 self:on("disconnect", err); |
7547
b327322ce2dd
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
414 self:destroy(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
415 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
416 end |
b327322ce2dd
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
417 |
7637
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7630
diff
changeset
|
418 -- The write buffer has been successfully emptied |
7547
b327322ce2dd
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
419 function interface:ondrain() |
8008
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8007
diff
changeset
|
420 return self:on("drain"); |
7547
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
421 end |
b327322ce2dd
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
422 |
7637
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7630
diff
changeset
|
423 -- Add data to write buffer and set flag for wanting to write |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
424 function interface:write(data) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
425 local buffer = self.writebuffer; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
426 if buffer then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
427 t_insert(buffer, data); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
428 else |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
429 self.writebuffer = { data }; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
430 end |
9581
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
431 if not self._write_lock then |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
432 self:setwritetimeout(); |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
433 self:set(nil, true); |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
434 end |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
435 return #data; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
436 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
437 interface.send = interface.write; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
438 |
7637
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7630
diff
changeset
|
439 -- Close, possibly after writing is done |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
440 function interface:close() |
8007
67f8954875a4
net.server_epoll: Check write buffer for remaining data to write when closing
Kim Alvefur <zash@zash.se>
parents:
8006
diff
changeset
|
441 if self.writebuffer and self.writebuffer[1] then |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
442 self:set(false, true); -- Flush final buffer contents |
7593
0266434d7df1
net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents:
7592
diff
changeset
|
443 self.write, self.send = noop, noop; -- No more writing |
9301
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9300
diff
changeset
|
444 log("debug", "Close %s after writing", self); |
8008
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8007
diff
changeset
|
445 self.ondrain = interface.close; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
446 else |
9301
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9300
diff
changeset
|
447 log("debug", "Close %s now", self); |
7593
0266434d7df1
net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents:
7592
diff
changeset
|
448 self.write, self.send = noop, noop; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
449 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
|
450 self:on("disconnect"); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
451 self:destroy(); |
b327322ce2dd
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
452 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
453 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
454 |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
455 function interface:destroy() |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
456 self:del(); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
457 self:setwritetimeout(false); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
458 self:setreadtimeout(false); |
7594
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7593
diff
changeset
|
459 self.onreadable = noop; |
8542
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8541
diff
changeset
|
460 self.onwritable = noop; |
7594
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7593
diff
changeset
|
461 self.destroy = noop; |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7593
diff
changeset
|
462 self.close = noop; |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7593
diff
changeset
|
463 self.on = noop; |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7593
diff
changeset
|
464 self.conn:close(); |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7593
diff
changeset
|
465 self.conn = nil; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
466 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
467 |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
468 function interface:ssl() |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
469 return self._tls; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
470 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
471 |
9300
1df8832bd29e
net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents:
8983
diff
changeset
|
472 function interface:starttls(tls_ctx) |
1df8832bd29e
net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents:
8983
diff
changeset
|
473 if tls_ctx then self.tls_ctx = tls_ctx; end |
9430
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
474 self.starttls = false; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
475 if self.writebuffer and self.writebuffer[1] then |
9301
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9300
diff
changeset
|
476 log("debug", "Start TLS on %s after write", self); |
8008
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8007
diff
changeset
|
477 self.ondrain = interface.starttls; |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
478 self:set(nil, true); -- make sure wantwrite is set |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
479 else |
9430
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
480 if self.ondrain == interface.starttls then |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
481 self.ondrain = nil; |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
482 end |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
483 self.onwritable = interface.tlshandskake; |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
484 self.onreadable = interface.tlshandskake; |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
485 self:set(true, true); |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
486 log("debug", "Prepare to start TLS on %s", self); |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
487 end |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
488 end |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
489 |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
490 function interface:tlshandskake() |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
491 self:setwritetimeout(false); |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
492 self:setreadtimeout(false); |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
493 if not self._tls then |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
494 self._tls = true; |
9301
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9300
diff
changeset
|
495 log("debug", "Start TLS on %s now", self); |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
496 self:del(); |
9431
c3c0523a37c6
net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents:
9430
diff
changeset
|
497 local ok, conn, err = pcall(luasec.wrap, self.conn, self.tls_ctx); |
c3c0523a37c6
net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents:
9430
diff
changeset
|
498 if not ok then |
c3c0523a37c6
net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents:
9430
diff
changeset
|
499 conn, err = ok, conn; |
9573
57637247356d
net.server_epoll: Shuffle variables earlier to improve readability
Kim Alvefur <zash@zash.se>
parents:
9508
diff
changeset
|
500 log("error", "Failed to initialize TLS: %s", err); |
9431
c3c0523a37c6
net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents:
9430
diff
changeset
|
501 end |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
502 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
|
503 self:on("disconnect", err); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
504 self:destroy(); |
7595
166b2e0766a4
net.server_epoll: Return status from starttls method
Kim Alvefur <zash@zash.se>
parents:
7594
diff
changeset
|
505 return conn, err; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
506 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
507 conn:settimeout(0); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
508 self.conn = conn; |
9430
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
509 self:on("starttls"); |
8008
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8007
diff
changeset
|
510 self.ondrain = nil; |
8542
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8541
diff
changeset
|
511 self.onwritable = interface.tlshandskake; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
512 self.onreadable = interface.tlshandskake; |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
513 return self:init(); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
514 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
515 local ok, err = self.conn:dohandshake(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
516 if ok then |
9301
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9300
diff
changeset
|
517 log("debug", "TLS handshake on %s complete", self); |
8542
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8541
diff
changeset
|
518 self.onwritable = nil; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
519 self.onreadable = nil; |
8008
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8007
diff
changeset
|
520 self:on("status", "ssl-handshake-complete"); |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
521 self:setwritetimeout(); |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
522 self:set(true, true); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
523 elseif err == "wantread" then |
9301
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9300
diff
changeset
|
524 log("debug", "TLS handshake on %s to wait until readable", self); |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
525 self:set(true, false); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
526 self:setreadtimeout(cfg.handshake_timeout); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
527 elseif err == "wantwrite" then |
9301
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9300
diff
changeset
|
528 log("debug", "TLS handshake on %s to wait until writable", self); |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
529 self:set(false, true); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
530 self:setwritetimeout(cfg.handshake_timeout); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
531 else |
9301
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9300
diff
changeset
|
532 log("debug", "TLS handshake error on %s: %s", self, err); |
7583
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7574
diff
changeset
|
533 self:on("disconnect", err); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
534 self:destroy(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
535 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
536 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
537 |
9310
2d2d4c293efa
net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
538 local function wrapsocket(client, server, read_size, listeners, tls_ctx) -- luasocket object -> interface object |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
539 client:settimeout(0); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
540 local conn = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
541 conn = client; |
8271
c09deab9989e
net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console)
Kim Alvefur <zash@zash.se>
parents:
8091
diff
changeset
|
542 _server = server; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
543 created = gettime(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
544 listeners = listeners; |
9310
2d2d4c293efa
net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
545 read_size = read_size or (server and server.read_size); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
546 writebuffer = {}; |
9432
2e3f66475cc8
net.server_epoll: Inherit Direct TLS flag from servers to their clients
Kim Alvefur <zash@zash.se>
parents:
9431
diff
changeset
|
547 tls_ctx = tls_ctx or (server and server.tls_ctx); |
2e3f66475cc8
net.server_epoll: Inherit Direct TLS flag from servers to their clients
Kim Alvefur <zash@zash.se>
parents:
9431
diff
changeset
|
548 tls_direct = server and server.tls_direct; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
549 }, interface_mt); |
7591
138f16eb39fb
net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents:
7590
diff
changeset
|
550 |
9383
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9382
diff
changeset
|
551 conn:updatenames(); |
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9382
diff
changeset
|
552 return conn; |
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9382
diff
changeset
|
553 end |
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9382
diff
changeset
|
554 |
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9382
diff
changeset
|
555 function interface:updatenames() |
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9382
diff
changeset
|
556 local conn = self.conn; |
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9382
diff
changeset
|
557 local ok, peername, peerport = pcall(conn.getpeername, conn); |
9382
31a2be28729c
net.server_epoll: Protect from errors in get{peer,sock}name
Kim Alvefur <zash@zash.se>
parents:
9381
diff
changeset
|
558 if ok then |
9383
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9382
diff
changeset
|
559 self.peername, self.peerport = peername, peerport; |
7584
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7583
diff
changeset
|
560 end |
9383
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9382
diff
changeset
|
561 local ok, sockname, sockport = pcall(conn.getsockname, conn); |
9382
31a2be28729c
net.server_epoll: Protect from errors in get{peer,sock}name
Kim Alvefur <zash@zash.se>
parents:
9381
diff
changeset
|
562 if ok then |
9383
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9382
diff
changeset
|
563 self.sockname, self.sockport = sockname, sockport; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
564 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
565 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
566 |
7637
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7630
diff
changeset
|
567 -- A server interface has new incoming connections waiting |
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7630
diff
changeset
|
568 -- This replaces the onreadable callback |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
569 function interface:onacceptable() |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
570 local conn, err = self.conn:accept(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
571 if not conn then |
7574
97b8506118a9
net.server_epoll: Fix missing quotes in logging call
Kim Alvefur <zash@zash.se>
parents:
7573
diff
changeset
|
572 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
|
573 self:pausefor(cfg.accept_retry_interval); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
574 return; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
575 end |
9309
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9306
diff
changeset
|
576 local client = wrapsocket(conn, self, nil, self.listeners); |
7592
10d2f008321d
net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents:
7591
diff
changeset
|
577 log("debug", "New connection %s", tostring(client)); |
9430
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9387
diff
changeset
|
578 client:init(); |
9309
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9306
diff
changeset
|
579 if self.tls_direct then |
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9306
diff
changeset
|
580 client:starttls(self.tls_ctx); |
9695
5ec4eaf76de8
net.server_epoll: Call onconnect right after accept()ing a new client
Kim Alvefur <zash@zash.se>
parents:
9666
diff
changeset
|
581 else |
5ec4eaf76de8
net.server_epoll: Call onconnect right after accept()ing a new client
Kim Alvefur <zash@zash.se>
parents:
9666
diff
changeset
|
582 client:onconnect(); |
9309
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9306
diff
changeset
|
583 end |
7597
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
584 end |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
585 |
7637
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7630
diff
changeset
|
586 -- Initialization |
7597
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
587 function interface:init() |
9306
35c128b42509
net.server_epoll: Factor Direct TLS handling out of connection initialization
Kim Alvefur <zash@zash.se>
parents:
9301
diff
changeset
|
588 self:setwritetimeout(); |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
589 return self:add(true, true); |
7547
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 |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
592 function interface:pause() |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
593 return self:set(false); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
594 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
595 |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
596 function interface:resume() |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
597 return self:set(true); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
598 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
599 |
7624 | 600 -- Pause connection for some time |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
601 function interface:pausefor(t) |
7559
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7558
diff
changeset
|
602 if self._pausefor then |
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7558
diff
changeset
|
603 self._pausefor:close(); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
604 end |
7559
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7558
diff
changeset
|
605 if t == false then return; end |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
606 self:set(false); |
7559
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7558
diff
changeset
|
607 self._pausefor = addtimer(t, function () |
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7558
diff
changeset
|
608 self._pausefor = nil; |
7707
7bb1cc7278b6
net.server_epoll: Make sure socket exists before checking if there is buffered data in it
Kim Alvefur <zash@zash.se>
parents:
7691
diff
changeset
|
609 if self.conn and self.conn:dirty() then |
7560
785fa1138293
net.server_epoll: Continue reading after a slight delay if there is buffered data after a read
Kim Alvefur <zash@zash.se>
parents:
7559
diff
changeset
|
610 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
|
611 end |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
612 self:set(true); |
7559
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7558
diff
changeset
|
613 end); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
614 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
615 |
9581
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
616 function interface:pause_writes() |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
617 self._write_lock = true; |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
618 self:setwritetimeout(false); |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
619 self:set(nil, false); |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
620 end |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
621 |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
622 function interface:resume_writes() |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
623 self._write_lock = nil; |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
624 if self.writebuffer[1] then |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
625 self:setwritetimeout(); |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
626 self:set(nil, true); |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
627 end |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
628 end |
1be99aedb0b3
net.server: Add an API for holding writes of outgoing data
Kim Alvefur <zash@zash.se>
parents:
9573
diff
changeset
|
629 |
7637
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7630
diff
changeset
|
630 -- Connected! |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
631 function interface:onconnect() |
9594
dcf466e04f81
net.server_epoll: Use method to update peername on connect
Kim Alvefur <zash@zash.se>
parents:
9587
diff
changeset
|
632 self:updatenames(); |
8540
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8507
diff
changeset
|
633 self.onconnect = noop; |
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8507
diff
changeset
|
634 self:on("connect"); |
8506
174fd716c9fa
server_epoll: Rework how socket readyness is detected
Kim Alvefur <zash@zash.se>
parents:
8271
diff
changeset
|
635 end |
174fd716c9fa
server_epoll: Rework how socket readyness is detected
Kim Alvefur <zash@zash.se>
parents:
8271
diff
changeset
|
636 |
9310
2d2d4c293efa
net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
637 local function addserver(addr, port, listeners, read_size, tls_ctx) |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
638 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
|
639 if not conn then return conn, err; end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
640 conn:settimeout(0); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
641 local server = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
642 conn = conn; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
643 created = gettime(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
644 listeners = listeners; |
9310
2d2d4c293efa
net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
645 read_size = read_size; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
646 onreadable = interface.onacceptable; |
9300
1df8832bd29e
net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents:
8983
diff
changeset
|
647 tls_ctx = tls_ctx; |
9309
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9306
diff
changeset
|
648 tls_direct = tls_ctx and true or false; |
7584
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7583
diff
changeset
|
649 sockname = addr; |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7583
diff
changeset
|
650 sockport = port; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
651 }, interface_mt); |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
652 server:add(true, false); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
653 return server; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
654 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
655 |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
656 -- COMPAT |
9310
2d2d4c293efa
net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
657 local function wrapclient(conn, addr, port, listeners, read_size, tls_ctx) |
2d2d4c293efa
net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
658 local client = wrapsocket(conn, nil, read_size, listeners, tls_ctx); |
7597
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
659 if not client.peername then |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
660 client.peername, client.peerport = addr, port; |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
661 end |
9473
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9445
diff
changeset
|
662 local ok, err = client:init(); |
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9445
diff
changeset
|
663 if not ok then return ok, err; end |
9309
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9306
diff
changeset
|
664 if tls_ctx then |
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9306
diff
changeset
|
665 client:starttls(tls_ctx); |
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9306
diff
changeset
|
666 end |
7551
838212918f11
net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents:
7550
diff
changeset
|
667 return client; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
668 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
669 |
7800
dadf9ba290c5
server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents:
7799
diff
changeset
|
670 -- New outgoing TCP connection |
9497
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
671 local function addclient(addr, port, listeners, read_size, tls_ctx, typ) |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
672 local create; |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
673 if not typ then |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
674 local n = inet_pton(addr); |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
675 if not n then return nil, "invalid-ip"; end |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
676 if #n == 16 then |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
677 typ = "tcp6"; |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
678 else |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
679 typ = "tcp4"; |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
680 end |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
681 end |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
682 if typ then |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
683 create = socket[typ]; |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
684 end |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
685 if type(create) ~= "function" then |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9477
diff
changeset
|
686 return nil, "invalid socket type"; |
9473
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9445
diff
changeset
|
687 end |
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9445
diff
changeset
|
688 local conn, err = create(); |
9498
cc593002f2e2
net.server_epoll: Check return conditions of early socket setup
Kim Alvefur <zash@zash.se>
parents:
9497
diff
changeset
|
689 local ok, err = conn:settimeout(0); |
cc593002f2e2
net.server_epoll: Check return conditions of early socket setup
Kim Alvefur <zash@zash.se>
parents:
9497
diff
changeset
|
690 if not ok then return ok, err; end |
9499
36e379f058c8
net.server: Swich method for connecting sockets with remotes
Kim Alvefur <zash@zash.se>
parents:
9498
diff
changeset
|
691 local ok, err = conn:setpeername(addr, port); |
9498
cc593002f2e2
net.server_epoll: Check return conditions of early socket setup
Kim Alvefur <zash@zash.se>
parents:
9497
diff
changeset
|
692 if not ok and err ~= "timeout" then return ok, err; end |
9310
2d2d4c293efa
net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
693 local client = wrapsocket(conn, nil, read_size, listeners, tls_ctx) |
9473
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9445
diff
changeset
|
694 local ok, err = client:init(); |
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9445
diff
changeset
|
695 if not ok then return ok, err; end |
9309
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9306
diff
changeset
|
696 if tls_ctx then |
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9306
diff
changeset
|
697 client:starttls(tls_ctx); |
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9306
diff
changeset
|
698 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
|
699 return client, conn; |
7553
4f3e4a092348
net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents:
7552
diff
changeset
|
700 end |
4f3e4a092348
net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents:
7552
diff
changeset
|
701 |
9319
7c954c75b6ac
net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
702 local function watchfd(fd, onreadable, onwritable) |
8781
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
703 local conn = setmetatable({ |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
704 conn = fd; |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
705 onreadable = onreadable; |
9319
7c954c75b6ac
net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
706 onwritable = onwritable; |
8781
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
707 close = function (self) |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
708 self:del(); |
8781
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
709 end |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
710 }, interface_mt); |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
711 if type(fd) == "number" then |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
712 conn.getfd = function () |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
713 return fd; |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
714 end; |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
715 -- Otherwise it'll need to be something LuaSocket-compatible |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
716 end |
9319
7c954c75b6ac
net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
717 conn:add(onreadable, onwritable); |
8781
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
718 return conn; |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
719 end; |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
720 |
7800
dadf9ba290c5
server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents:
7799
diff
changeset
|
721 -- Dump all data from one connection into another |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
722 local function link(from, to) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
723 from.listeners = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
724 onincoming = function (_, data) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
725 from:pause(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
726 to:write(data); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
727 end, |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
728 }, {__index=from.listeners}); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
729 to.listeners = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
730 ondrain = function () |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
731 from:resume(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
732 end, |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
733 }, {__index=to.listeners}); |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
734 from:set(true, nil); |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
735 to:set(nil, true); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
736 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
737 |
9438
916bee81eb7e
net.server_epoll: Make :set_send a noop, should fix net.adns
Kim Alvefur <zash@zash.se>
parents:
9432
diff
changeset
|
738 -- COMPAT |
916bee81eb7e
net.server_epoll: Make :set_send a noop, should fix net.adns
Kim Alvefur <zash@zash.se>
parents:
9432
diff
changeset
|
739 -- net.adns calls this but then replaces :send so this can be a noop |
9439
988392a56495
net.server_epoll: Fix luacheck annotation
Kim Alvefur <zash@zash.se>
parents:
9438
diff
changeset
|
740 function interface:set_send(new_send) -- luacheck: ignore 212 |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
741 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
742 |
7800
dadf9ba290c5
server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents:
7799
diff
changeset
|
743 -- Close all connections and servers |
7794
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7737
diff
changeset
|
744 local function closeall() |
7799
93643a61858a
server_epoll: Ignore unused loop variable [luacheck]
Kim Alvefur <zash@zash.se>
parents:
7797
diff
changeset
|
745 for fd, conn in pairs(fds) do -- luacheck: ignore 213/fd |
7794
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7737
diff
changeset
|
746 conn:close(); |
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7737
diff
changeset
|
747 end |
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7737
diff
changeset
|
748 end |
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7737
diff
changeset
|
749 |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
750 local quitting = nil; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
751 |
7637
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7630
diff
changeset
|
752 -- Signal main loop about shutdown via above upvalue |
7796
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7795
diff
changeset
|
753 local function setquitting(quit) |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7795
diff
changeset
|
754 if quit then |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7795
diff
changeset
|
755 quitting = "quitting"; |
7797
d0c32d86724f
server_epoll: Flush and close all connections before quitting mainloop so no data is lost in buffers
Kim Alvefur <zash@zash.se>
parents:
7796
diff
changeset
|
756 closeall(); |
7796
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7795
diff
changeset
|
757 else |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7795
diff
changeset
|
758 quitting = nil; |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7795
diff
changeset
|
759 end |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
760 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
761 |
7637
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7630
diff
changeset
|
762 -- Main loop |
7795
03081bd5c5bb
net.server_epoll: Add the 'once' argument to loop for parity with server_select
Kim Alvefur <zash@zash.se>
parents:
7794
diff
changeset
|
763 local function loop(once) |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
764 repeat |
7658
e14a124c4d73
net.server_epoll: Make minimum poll wait time configurable
Kim Alvefur <zash@zash.se>
parents:
7657
diff
changeset
|
765 local t = runtimers(cfg.max_wait, cfg.min_wait); |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
766 local fd, r, w = poll:wait(t); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
767 if fd then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
768 local conn = fds[fd]; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
769 if conn then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
770 if r then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
771 conn:onreadable(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
772 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
773 if w then |
8542
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8541
diff
changeset
|
774 conn:onwritable(); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
775 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
776 else |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
777 log("debug", "Removing unknown fd %d", fd); |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
778 poll:del(fd); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
779 end |
9508
2055b497b515
net.server_epoll: Special handling of signal interrupts
Kim Alvefur <zash@zash.se>
parents:
9507
diff
changeset
|
780 elseif r ~= "timeout" and r ~= "signal" then |
9445
af7eafe82447
net.server_epoll: Log error number from wait()
Kim Alvefur <zash@zash.se>
parents:
9441
diff
changeset
|
781 log("debug", "epoll_wait error: %s[%d]", r, w); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
782 end |
7797
d0c32d86724f
server_epoll: Flush and close all connections before quitting mainloop so no data is lost in buffers
Kim Alvefur <zash@zash.se>
parents:
7796
diff
changeset
|
783 until once or (quitting and next(fds) == nil); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
784 return quitting; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
785 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
786 |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
787 return { |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
788 get_backend = function () return "epoll"; end; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
789 addserver = addserver; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
790 addclient = addclient; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
791 add_task = addtimer; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
792 at = at; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
793 loop = loop; |
7794
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7737
diff
changeset
|
794 closeall = closeall; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
795 setquitting = setquitting; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
796 wrapclient = wrapclient; |
8781
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8778
diff
changeset
|
797 watchfd = watchfd; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
798 link = link; |
7657
252823632401
net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents:
7637
diff
changeset
|
799 set_config = function (newconfig) |
252823632401
net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents:
7637
diff
changeset
|
800 cfg = setmetatable(newconfig, default_config); |
252823632401
net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents:
7637
diff
changeset
|
801 end; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
802 |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
803 -- libevent emulation |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
804 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
|
805 addevent = function (fd, mode, callback) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
806 local function onevent(self) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
807 local ret = self:callback(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
808 if ret == -1 then |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
809 self:set(false, false); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
810 elseif ret then |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
811 self:set(mode == "r" or mode == "rw", mode == "w" or mode == "rw"); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
812 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
813 end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
814 |
7817
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7811
diff
changeset
|
815 local conn = setmetatable({ |
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7811
diff
changeset
|
816 getfd = function () return fd; end; |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
817 callback = callback; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
818 onreadable = onevent; |
8542
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8541
diff
changeset
|
819 onwritable = onevent; |
7817
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7811
diff
changeset
|
820 close = function (self) |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
821 self:del(); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
822 fds[fd] = nil; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
823 end; |
7817
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7811
diff
changeset
|
824 }, interface_mt); |
9314
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9311
diff
changeset
|
825 local ok, err = conn:add(mode == "r" or mode == "rw", mode == "w" or mode == "rw"); |
7547
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
826 if not ok then return ok, err; end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
827 return conn; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
828 end; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
829 }; |