author | Kim Alvefur <zash@zash.se> |
Sun, 16 Apr 2017 02:36:42 +0200 | |
changeset 8094 | acecf1413233 |
parent 8011 | 62ed3795be13 |
child 8274 | c09deab9989e |
permissions | -rw-r--r-- |
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-- Prosody IM |
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-- Copyright (C) 2016 Kim Alvefur |
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-- |
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-- This project is MIT/X11 licensed. Please see the |
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-- COPYING file in the source package for more information. |
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-- |
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|
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-- server_epoll |
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-- Server backend based on https://luarocks.org/modules/zash/lua-epoll |
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|
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local t_sort = table.sort; |
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local t_insert = table.insert; |
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local t_remove = table.remove; |
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local t_concat = table.concat; |
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local setmetatable = setmetatable; |
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local tostring = tostring; |
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local pcall = pcall; |
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local next = next; |
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local pairs = pairs; |
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local log = require "util.logger".init("server_epoll"); |
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local epoll = require "epoll"; |
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local socket = require "socket"; |
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local luasec = require "ssl"; |
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local gettime = require "util.time".now; |
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local createtable = require "util.table".create; |
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local _SOCKETINVALID = socket._SOCKETINVALID or -1; |
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|
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assert(socket.tcp6 and socket.tcp4, "Incompatible LuaSocket version"); |
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local _ENV = nil; |
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|
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local default_config = { __index = { |
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read_timeout = 900; |
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write_timeout = 7; |
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tcp_backlog = 128; |
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accept_retry_interval = 10; |
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read_retry_delay = 1e-06; |
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connect_timeout = 20; |
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handshake_timeout = 60; |
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max_wait = 86400; |
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min_wait = 1e-06; |
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}}; |
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local cfg = default_config.__index; |
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|
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local fds = createtable(10, 0); -- FD -> conn |
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-- Timer and scheduling -- |
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|
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local timers = {}; |
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|
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local function noop() end |
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local function closetimer(t) |
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t[1] = 0; |
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t[2] = noop; |
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end |
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|
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-- Set to true when timers have changed |
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local resort_timers = false; |
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|
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-- Add absolute timer |
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local function at(time, f) |
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local timer = { time, f, close = closetimer }; |
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t_insert(timers, timer); |
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resort_timers = true; |
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return timer; |
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end |
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|
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-- Add relative timer |
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local function addtimer(timeout, f) |
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return at(gettime() + timeout, f); |
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end |
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|
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-- Run callbacks of expired timers |
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-- Return time until next timeout |
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local function runtimers(next_delay, min_wait) |
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-- Any timers at all? |
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if not timers[1] then |
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return next_delay; |
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end |
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|
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if resort_timers then |
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-- Sort earliest timers to the end |
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t_sort(timers, function (a, b) return a[1] > b[1]; end); |
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resort_timers = false; |
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end |
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|
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-- Iterate from the end and remove completed timers |
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for i = #timers, 1, -1 do |
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local timer = timers[i]; |
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local t, f = timer[1], timer[2]; |
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-- Get time for every iteration to increase accuracy |
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local now = gettime(); |
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if t > now then |
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-- This timer should not fire yet |
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local diff = t - now; |
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if diff < next_delay then |
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next_delay = diff; |
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end |
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break; |
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end |
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local new_timeout = f(now); |
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if new_timeout then |
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-- Schedule for 'delay' from the time actually scheduled, |
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-- not from now, in order to prevent timer drift. |
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timer[1] = t + new_timeout; |
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resort_timers = true; |
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else |
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t_remove(timers, i); |
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end |
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end |
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if resort_timers or next_delay < min_wait then |
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-- Timers may be added from within a timer callback. |
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-- Those would not be considered for next_delay, |
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-- and we might sleep for too long, so instead |
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-- we return a shorter timeout so we can |
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-- properly sort all new timers. |
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next_delay = min_wait; |
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end |
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121 |
return next_delay; |
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|
122 |
end |
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|
123 |
|
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124 |
-- Socket handler interface |
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125 |
|
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|
126 |
local interface = {}; |
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127 |
local interface_mt = { __index = interface }; |
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|
128 |
|
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|
129 |
function interface_mt:__tostring() |
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130 |
if self.sockname and self.peername then |
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131 |
return ("FD %d (%s, %d, %s, %d)"):format(self:getfd(), self.peername, self.peerport, self.sockname, self.sockport); |
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132 |
elseif self.sockname or self.peername then |
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133 |
return ("FD %d (%s, %d)"):format(self:getfd(), self.sockname or self.peername, self.sockport or self.peerport); |
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|
134 |
end |
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135 |
return ("%s FD %d"):format(tostring(self.conn), self:getfd()); |
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|
136 |
end |
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|
137 |
|
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|
138 |
-- Replace the listener and tell the old one |
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|
139 |
function interface:setlistener(listeners) |
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140 |
self:on("detach"); |
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141 |
self.listeners = listeners; |
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|
142 |
end |
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|
143 |
|
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|
144 |
-- Call a listener callback |
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|
145 |
function interface:on(what, ...) |
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|
146 |
if not self.listeners then |
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|
147 |
log("error", "%s has no listeners", self); |
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148 |
return; |
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|
149 |
end |
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|
150 |
local listener = self.listeners["on"..what]; |
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|
151 |
if not listener then |
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|
152 |
-- log("debug", "Missing listener 'on%s'", what); -- uncomment for development and debugging |
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|
153 |
return; |
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|
154 |
end |
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|
155 |
local ok, err = pcall(listener, self, ...); |
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|
156 |
if not ok then |
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|
157 |
log("error", "Error calling on%s: %s", what, err); |
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|
158 |
end |
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|
159 |
return err; |
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|
160 |
end |
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|
161 |
|
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|
162 |
-- Return the file descriptor number |
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|
163 |
function interface:getfd() |
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|
164 |
if self.conn then |
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|
165 |
return self.conn:getfd(); |
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|
166 |
end |
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|
167 |
return _SOCKETINVALID; |
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|
168 |
end |
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|
169 |
|
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|
170 |
-- Get IP address |
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|
171 |
function interface:ip() |
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|
172 |
return self.peername or self.sockname; |
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|
173 |
end |
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|
174 |
|
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|
175 |
-- Get a port number, doesn't matter which |
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|
176 |
function interface:port() |
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|
177 |
return self.sockport or self.peerport; |
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|
178 |
end |
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|
179 |
|
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|
180 |
-- Get local port number |
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|
181 |
function interface:clientport() |
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|
182 |
return self.sockport; |
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|
183 |
end |
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changeset
|
184 |
|
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|
185 |
-- Get remote port |
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|
186 |
function interface:serverport() |
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|
187 |
if self.sockport then |
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|
188 |
return self.sockport; |
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|
189 |
elseif self.server then |
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|
190 |
self.server:port(); |
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changeset
|
191 |
end |
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changeset
|
192 |
end |
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|
193 |
|
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|
194 |
-- Return underlying socket |
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|
195 |
function interface:socket() |
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|
196 |
return self.conn; |
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|
197 |
end |
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changeset
|
198 |
|
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|
199 |
function interface:set_mode(new_mode) |
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|
200 |
self._pattern = new_mode; |
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changeset
|
201 |
end |
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changeset
|
202 |
|
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changeset
|
203 |
function interface:setoption(k, v) |
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|
204 |
-- LuaSec doesn't expose setoption :( |
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changeset
|
205 |
if self.conn.setoption then |
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changeset
|
206 |
self.conn:setoption(k, v); |
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|
207 |
end |
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changeset
|
208 |
end |
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changeset
|
209 |
|
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|
210 |
-- Timeout for detecting dead or idle sockets |
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changeset
|
211 |
function interface:setreadtimeout(t) |
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changeset
|
212 |
if t == false then |
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|
213 |
if self._readtimeout then |
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|
214 |
self._readtimeout:close(); |
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|
215 |
self._readtimeout = nil; |
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|
216 |
end |
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|
217 |
return |
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changeset
|
218 |
end |
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parents:
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changeset
|
219 |
t = t or cfg.read_timeout; |
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|
220 |
if self._readtimeout then |
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changeset
|
221 |
self._readtimeout[1] = gettime() + t; |
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changeset
|
222 |
resort_timers = true; |
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parents:
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changeset
|
223 |
else |
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parents:
diff
changeset
|
224 |
self._readtimeout = addtimer(t, function () |
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|
225 |
if self:on("readtimeout") then |
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changeset
|
226 |
return cfg.read_timeout; |
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changeset
|
227 |
else |
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changeset
|
228 |
self:on("disconnect", "read timeout"); |
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parents:
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changeset
|
229 |
self:destroy(); |
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parents:
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changeset
|
230 |
end |
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parents:
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changeset
|
231 |
end); |
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changeset
|
232 |
end |
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parents:
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changeset
|
233 |
end |
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parents:
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changeset
|
234 |
|
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changeset
|
235 |
-- Timeout for detecting dead sockets |
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|
236 |
function interface:setwritetimeout(t) |
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parents:
diff
changeset
|
237 |
if t == false then |
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parents:
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changeset
|
238 |
if self._writetimeout then |
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parents:
diff
changeset
|
239 |
self._writetimeout:close(); |
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parents:
diff
changeset
|
240 |
self._writetimeout = nil; |
b327322ce2dd
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
241 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
242 |
return |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
243 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
244 |
t = t or cfg.write_timeout; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
245 |
if self._writetimeout then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
246 |
self._writetimeout[1] = gettime() + t; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
247 |
resort_timers = true; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
248 |
else |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
249 |
self._writetimeout = addtimer(t, function () |
7586
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
250 |
self:on("disconnect", "write timeout"); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
251 |
self:destroy(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
252 |
end); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
253 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
254 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
255 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
256 |
-- lua-epoll flag for currently requested poll state |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
257 |
function interface:flags() |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
258 |
if self._wantread then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
259 |
if self._wantwrite then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
260 |
return "rw"; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
261 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
262 |
return "r"; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
263 |
elseif self._wantwrite then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
264 |
return "w"; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
265 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
266 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
267 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
268 |
-- Add or remove sockets or modify epoll flags |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
269 |
function interface:setflags(r, w) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
270 |
if r ~= nil then self._wantread = r; end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
271 |
if w ~= nil then self._wantwrite = w; end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
272 |
local flags = self:flags(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
273 |
local currentflags = self._flags; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
274 |
if flags == currentflags then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
275 |
return true; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
276 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
277 |
local fd = self:getfd(); |
7605
a4d5eec36a17
net.server_epoll: Prevent invalid FDs from being added to epoll
Kim Alvefur <zash@zash.se>
parents:
7604
diff
changeset
|
278 |
if fd < 0 then |
a4d5eec36a17
net.server_epoll: Prevent invalid FDs from being added to epoll
Kim Alvefur <zash@zash.se>
parents:
7604
diff
changeset
|
279 |
self._wantread, self._wantwrite = nil, nil; |
a4d5eec36a17
net.server_epoll: Prevent invalid FDs from being added to epoll
Kim Alvefur <zash@zash.se>
parents:
7604
diff
changeset
|
280 |
return nil, "invalid fd"; |
a4d5eec36a17
net.server_epoll: Prevent invalid FDs from being added to epoll
Kim Alvefur <zash@zash.se>
parents:
7604
diff
changeset
|
281 |
end |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
282 |
local op = "mod"; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
283 |
if not flags then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
284 |
op = "del"; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
285 |
elseif not currentflags then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
286 |
op = "add"; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
287 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
288 |
local ok, err = epoll.ctl(op, fd, flags); |
7590
ff81a34bffb0
net.server_epoll: Comment some overly verbose logging
Kim Alvefur <zash@zash.se>
parents:
7589
diff
changeset
|
289 |
-- log("debug", "epoll_ctl(%q, %d, %q) -> %s" .. (err and ", %q" or ""), |
ff81a34bffb0
net.server_epoll: Comment some overly verbose logging
Kim Alvefur <zash@zash.se>
parents:
7589
diff
changeset
|
290 |
-- op, fd, flags or "", tostring(ok), err); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
291 |
if not ok then return ok, err end |
7628
6afafd6d4ef0
net.server_epoll: Move management of fd registry to :setflags
Kim Alvefur <zash@zash.se>
parents:
7627
diff
changeset
|
292 |
if op == "add" then |
6afafd6d4ef0
net.server_epoll: Move management of fd registry to :setflags
Kim Alvefur <zash@zash.se>
parents:
7627
diff
changeset
|
293 |
fds[fd] = self; |
6afafd6d4ef0
net.server_epoll: Move management of fd registry to :setflags
Kim Alvefur <zash@zash.se>
parents:
7627
diff
changeset
|
294 |
elseif op == "del" then |
6afafd6d4ef0
net.server_epoll: Move management of fd registry to :setflags
Kim Alvefur <zash@zash.se>
parents:
7627
diff
changeset
|
295 |
fds[fd] = nil; |
6afafd6d4ef0
net.server_epoll: Move management of fd registry to :setflags
Kim Alvefur <zash@zash.se>
parents:
7627
diff
changeset
|
296 |
end |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
297 |
self._flags = flags; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
298 |
return true; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
299 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
300 |
|
7576
0f0a6febbc5a
net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents:
7567
diff
changeset
|
301 |
-- Called when socket is readable |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
302 |
function interface:onreadable() |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
303 |
local data, err, partial = self.conn:receive(self._pattern); |
7690
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
304 |
if data then |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
305 |
self:on("incoming", data); |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
306 |
else |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
307 |
if partial then |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
308 |
self:on("incoming", partial, err); |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
309 |
end |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
310 |
if err == "wantread" then |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
311 |
self:setflags(true, nil); |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
312 |
elseif err == "wantwrite" then |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
313 |
self:setflags(nil, true); |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
314 |
elseif err ~= "timeout" then |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
315 |
self:on("disconnect", err); |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
316 |
self:destroy() |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
317 |
return; |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
318 |
end |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
319 |
end |
7694
a5ad858f3a93
net.server_epoll: Check that connection still exists after callback, fixes traceback when closed
Kim Alvefur <zash@zash.se>
parents:
7690
diff
changeset
|
320 |
if not self.conn then return; end |
7609
f40f1d9b7872
net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns
Kim Alvefur <zash@zash.se>
parents:
7607
diff
changeset
|
321 |
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:
7607
diff
changeset
|
322 |
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:
7607
diff
changeset
|
323 |
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:
7607
diff
changeset
|
324 |
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:
7607
diff
changeset
|
325 |
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:
7607
diff
changeset
|
326 |
end |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
327 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
328 |
|
7576
0f0a6febbc5a
net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents:
7567
diff
changeset
|
329 |
-- Called when socket is writable |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
330 |
function interface:onwriteable() |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
331 |
local buffer = self.writebuffer; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
332 |
local data = t_concat(buffer); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
333 |
local ok, err, partial = self.conn:send(data); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
334 |
if ok then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
335 |
for i = #buffer, 1, -1 do |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
336 |
buffer[i] = nil; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
337 |
end |
7567
f95ffd24e042
net.server_epoll: Clear write flag before calling ondrain, fixes calling of ondisconnect on explicit close
Kim Alvefur <zash@zash.se>
parents:
7566
diff
changeset
|
338 |
self:setflags(nil, false); |
f95ffd24e042
net.server_epoll: Clear write flag before calling ondrain, fixes calling of ondisconnect on explicit close
Kim Alvefur <zash@zash.se>
parents:
7566
diff
changeset
|
339 |
self:setwritetimeout(false); |
f95ffd24e042
net.server_epoll: Clear write flag before calling ondrain, fixes calling of ondisconnect on explicit close
Kim Alvefur <zash@zash.se>
parents:
7566
diff
changeset
|
340 |
self:ondrain(); -- Be aware of writes in ondrain |
7592
125e4f2e0b65
net.server_epoll: Return early on successful write
Kim Alvefur <zash@zash.se>
parents:
7591
diff
changeset
|
341 |
return; |
7690
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
342 |
end |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
343 |
if partial then |
7594
138f16eb39fb
net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents:
7593
diff
changeset
|
344 |
buffer[1] = data:sub(partial+1); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
345 |
for i = #buffer, 2, -1 do |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
346 |
buffer[i] = nil; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
347 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
348 |
self:setwritetimeout(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
349 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
350 |
if err == "wantwrite" or err == "timeout" then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
351 |
self:setflags(nil, true); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
352 |
elseif err == "wantread" then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
353 |
self:setflags(true, nil); |
7690
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
354 |
elseif err ~= "timeout" then |
7586
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
355 |
self:on("disconnect", err); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
356 |
self:destroy(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
357 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
358 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
359 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
360 |
-- The write buffer has been successfully emptied |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
361 |
function interface:ondrain() |
8011
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
362 |
return self:on("drain"); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
363 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
364 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
365 |
-- Add data to write buffer and set flag for wanting to write |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
366 |
function interface:write(data) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
367 |
local buffer = self.writebuffer; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
368 |
if buffer then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
369 |
t_insert(buffer, data); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
370 |
else |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
371 |
self.writebuffer = { data }; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
372 |
end |
7553
8c2bc1b6d84a
net.server_epoll: Remove last traces of code for bypassing buffering on writable sockets
Kim Alvefur <zash@zash.se>
parents:
7550
diff
changeset
|
373 |
self:setwritetimeout(); |
8c2bc1b6d84a
net.server_epoll: Remove last traces of code for bypassing buffering on writable sockets
Kim Alvefur <zash@zash.se>
parents:
7550
diff
changeset
|
374 |
self:setflags(nil, true); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
375 |
return #data; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
376 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
377 |
interface.send = interface.write; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
378 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
379 |
-- Close, possibly after writing is done |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
380 |
function interface:close() |
8010
67f8954875a4
net.server_epoll: Check write buffer for remaining data to write when closing
Kim Alvefur <zash@zash.se>
parents:
8009
diff
changeset
|
381 |
if self.writebuffer and self.writebuffer[1] then |
7596
0266434d7df1
net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents:
7595
diff
changeset
|
382 |
self:setflags(false, true); -- Flush final buffer contents |
0266434d7df1
net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents:
7595
diff
changeset
|
383 |
self.write, self.send = noop, noop; -- No more writing |
7558
f3abb5f891eb
net.server_epoll: Some logging when closing a connection
Kim Alvefur <zash@zash.se>
parents:
7557
diff
changeset
|
384 |
log("debug", "Close %s after writing", tostring(self)); |
8011
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
385 |
self.ondrain = interface.close; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
386 |
else |
7595
10d2f008321d
net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents:
7594
diff
changeset
|
387 |
log("debug", "Close %s now", tostring(self)); |
7596
0266434d7df1
net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents:
7595
diff
changeset
|
388 |
self.write, self.send = noop, noop; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
389 |
self.close = noop; |
7586
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
390 |
self:on("disconnect"); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
391 |
self:destroy(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
392 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
393 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
394 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
395 |
function interface:destroy() |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
396 |
self:setflags(false, false); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
397 |
self:setwritetimeout(false); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
398 |
self:setreadtimeout(false); |
7597
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
399 |
self.onreadable = noop; |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
400 |
self.onwriteable = noop; |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
401 |
self.destroy = noop; |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
402 |
self.close = noop; |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
403 |
self.on = noop; |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
404 |
self.conn:close(); |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
405 |
self.conn = nil; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
406 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
407 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
408 |
function interface:ssl() |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
409 |
return self._tls; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
410 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
411 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
412 |
function interface:starttls(ctx) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
413 |
if ctx then self.tls = ctx; end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
414 |
if self.writebuffer and self.writebuffer[1] then |
7595
10d2f008321d
net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents:
7594
diff
changeset
|
415 |
log("debug", "Start TLS on %s after write", tostring(self)); |
8011
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
416 |
self.ondrain = interface.starttls; |
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
417 |
self.starttls = false; |
7606
4e2b019ff176
net.server_epoll: Make sure wantwrite is set when starting TLS
Kim Alvefur <zash@zash.se>
parents:
7605
diff
changeset
|
418 |
self:setflags(nil, true); -- make sure wantwrite is set |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
419 |
else |
7595
10d2f008321d
net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents:
7594
diff
changeset
|
420 |
log("debug", "Start TLS on %s now", tostring(self)); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
421 |
self:setflags(false, false); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
422 |
local conn, err = luasec.wrap(self.conn, ctx or self.tls); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
423 |
if not conn then |
7586
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
424 |
self:on("disconnect", err); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
425 |
self:destroy(); |
7598
166b2e0766a4
net.server_epoll: Return status from starttls method
Kim Alvefur <zash@zash.se>
parents:
7597
diff
changeset
|
426 |
return conn, err; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
427 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
428 |
conn:settimeout(0); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
429 |
self.conn = conn; |
8011
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
430 |
self.ondrain = nil; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
431 |
self.onwriteable = interface.tlshandskake; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
432 |
self.onreadable = interface.tlshandskake; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
433 |
self:setflags(true, true); |
7601
335b5ce06062
net.server_epoll: TLS handshake timeout
Kim Alvefur <zash@zash.se>
parents:
7600
diff
changeset
|
434 |
self:setwritetimeout(cfg.handshake_timeout); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
435 |
end |
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 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
438 |
function interface:tlshandskake() |
7601
335b5ce06062
net.server_epoll: TLS handshake timeout
Kim Alvefur <zash@zash.se>
parents:
7600
diff
changeset
|
439 |
self:setwritetimeout(false); |
335b5ce06062
net.server_epoll: TLS handshake timeout
Kim Alvefur <zash@zash.se>
parents:
7600
diff
changeset
|
440 |
self:setreadtimeout(false); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
441 |
local ok, err = self.conn:dohandshake(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
442 |
if ok then |
7595
10d2f008321d
net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents:
7594
diff
changeset
|
443 |
log("debug", "TLS handshake on %s complete", tostring(self)); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
444 |
self.onwriteable = nil; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
445 |
self.onreadable = nil; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
446 |
self._tls = true; |
8011
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
447 |
self:on("status", "ssl-handshake-complete"); |
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
448 |
self:init(); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
449 |
elseif err == "wantread" then |
7595
10d2f008321d
net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents:
7594
diff
changeset
|
450 |
log("debug", "TLS handshake on %s to wait until readable", tostring(self)); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
451 |
self:setflags(true, false); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
452 |
self:setreadtimeout(cfg.handshake_timeout); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
453 |
elseif err == "wantwrite" then |
7595
10d2f008321d
net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents:
7594
diff
changeset
|
454 |
log("debug", "TLS handshake on %s to wait until writable", tostring(self)); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
455 |
self:setflags(false, true); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
456 |
self:setwritetimeout(cfg.handshake_timeout); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
457 |
else |
7595
10d2f008321d
net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents:
7594
diff
changeset
|
458 |
log("debug", "TLS handshake error on %s: %s", tostring(self), err); |
7586
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
459 |
self:on("disconnect", err); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
460 |
self:destroy(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
461 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
462 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
463 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
464 |
local function wrapsocket(client, server, pattern, listeners, tls) -- luasocket object -> interface object |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
465 |
client:settimeout(0); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
466 |
local conn = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
467 |
conn = client; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
468 |
server = server; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
469 |
created = gettime(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
470 |
listeners = listeners; |
7814
24f99d11b792
net.server_epoll: Fix traceback if wrapclient called without a pattern or parent server
Kim Alvefur <zash@zash.se>
parents:
7803
diff
changeset
|
471 |
_pattern = pattern or (server and server._pattern); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
472 |
writebuffer = {}; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
473 |
tls = tls; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
474 |
}, interface_mt); |
7594
138f16eb39fb
net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents:
7593
diff
changeset
|
475 |
|
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
476 |
if client.getpeername then |
7587
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
477 |
conn.peername, conn.peerport = client:getpeername(); |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
478 |
end |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
479 |
if client.getsockname then |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
480 |
conn.sockname, conn.sockport = client:getsockname(); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
481 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
482 |
return conn; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
483 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
484 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
485 |
-- A server interface has new incoming connections waiting |
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
486 |
-- This replaces the onreadable callback |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
487 |
function interface:onacceptable() |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
488 |
local conn, err = self.conn:accept(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
489 |
if not conn then |
7577
97b8506118a9
net.server_epoll: Fix missing quotes in logging call
Kim Alvefur <zash@zash.se>
parents:
7576
diff
changeset
|
490 |
log("debug", "Error accepting new client: %s, server will be paused for %ds", err, cfg.accept_retry_interval); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
491 |
self:pausefor(cfg.accept_retry_interval); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
492 |
return; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
493 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
494 |
local client = wrapsocket(conn, self, nil, self.listeners, self.tls); |
7595
10d2f008321d
net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents:
7594
diff
changeset
|
495 |
log("debug", "New connection %s", tostring(client)); |
7600
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
496 |
client:init(); |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
497 |
end |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
498 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
499 |
-- Initialization |
7600
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
500 |
function interface:init() |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
501 |
if self.tls and not self._tls then |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
502 |
return self:starttls(); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
503 |
else |
7629 | 504 |
self.onwriteable = interface.onconnect; |
505 |
self:setwritetimeout(); |
|
506 |
return self:setflags(false, true); |
|
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
507 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
508 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
509 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
510 |
function interface:pause() |
7629 | 511 |
return self:setflags(false); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
512 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
513 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
514 |
function interface:resume() |
7629 | 515 |
return self:setflags(true); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
516 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
517 |
|
7627 | 518 |
-- Pause connection for some time |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
519 |
function interface:pausefor(t) |
7562
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
520 |
if self._pausefor then |
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
521 |
self._pausefor:close(); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
522 |
end |
7562
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
523 |
if t == false then return; end |
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
524 |
self:setflags(false); |
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
525 |
self._pausefor = addtimer(t, function () |
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
526 |
self._pausefor = nil; |
7710
7bb1cc7278b6
net.server_epoll: Make sure socket exists before checking if there is buffered data in it
Kim Alvefur <zash@zash.se>
parents:
7694
diff
changeset
|
527 |
if self.conn and self.conn:dirty() then |
7563
785fa1138293
net.server_epoll: Continue reading after a slight delay if there is buffered data after a read
Kim Alvefur <zash@zash.se>
parents:
7562
diff
changeset
|
528 |
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:
7562
diff
changeset
|
529 |
end |
7631
7f2159eac697
net.server_epoll: Fix timer returning boolean
Kim Alvefur <zash@zash.se>
parents:
7630
diff
changeset
|
530 |
self:setflags(true); |
7562
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
531 |
end); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
532 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
533 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
534 |
-- Connected! |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
535 |
function interface:onconnect() |
8094
acecf1413233
net.server_epoll: Reset onwritable before calling onconnect (fixes traceback if connection closed in onconnect)
Kim Alvefur <zash@zash.se>
parents:
8011
diff
changeset
|
536 |
self.onwriteable = nil; |
acecf1413233
net.server_epoll: Reset onwritable before calling onconnect (fixes traceback if connection closed in onconnect)
Kim Alvefur <zash@zash.se>
parents:
8011
diff
changeset
|
537 |
self:setflags(true, false); |
8011
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
538 |
if not self._connected then |
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
539 |
self._connected = true; |
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
540 |
self:on("connect"); |
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
541 |
end |
7557
c2decf88e249
net.server_epoll: Use first writable event to signal onconnect
Kim Alvefur <zash@zash.se>
parents:
7556
diff
changeset
|
542 |
return self:onwriteable(); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
543 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
544 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
545 |
local function addserver(addr, port, listeners, pattern, tls) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
546 |
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
|
547 |
if not conn then return conn, err; end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
548 |
conn:settimeout(0); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
549 |
local server = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
550 |
conn = conn; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
551 |
created = gettime(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
552 |
listeners = listeners; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
553 |
_pattern = pattern; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
554 |
onreadable = interface.onacceptable; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
555 |
tls = tls; |
7587
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
556 |
sockname = addr; |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
557 |
sockport = port; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
558 |
}, interface_mt); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
559 |
server:setflags(true, false); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
560 |
return server; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
561 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
562 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
563 |
-- COMPAT |
7554
838212918f11
net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents:
7553
diff
changeset
|
564 |
local function wrapclient(conn, addr, port, listeners, pattern, tls) |
7600
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
565 |
local client = wrapsocket(conn, nil, pattern, listeners, tls); |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
566 |
if not client.peername then |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
567 |
client.peername, client.peerport = addr, port; |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
568 |
end |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
569 |
client:init(); |
7554
838212918f11
net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents:
7553
diff
changeset
|
570 |
return client; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
571 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
572 |
|
7803
dadf9ba290c5
server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents:
7802
diff
changeset
|
573 |
-- New outgoing TCP connection |
7556
4f3e4a092348
net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents:
7555
diff
changeset
|
574 |
local function addclient(addr, port, listeners, pattern, tls) |
7599
2c4ba55b616c
net.server_epoll: Connect async in addclient
Kim Alvefur <zash@zash.se>
parents:
7598
diff
changeset
|
575 |
local conn, err = socket.tcp(); |
7556
4f3e4a092348
net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents:
7555
diff
changeset
|
576 |
if not conn then return conn, err; end |
4f3e4a092348
net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents:
7555
diff
changeset
|
577 |
conn:settimeout(0); |
7599
2c4ba55b616c
net.server_epoll: Connect async in addclient
Kim Alvefur <zash@zash.se>
parents:
7598
diff
changeset
|
578 |
conn:connect(addr, port); |
7600
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
579 |
local client = wrapsocket(conn, nil, pattern, listeners, tls) |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
580 |
client:init(); |
7559
1f777b38b66c
net.server_epoll: Make addclient conform to API (expected by net.http.request)
Kim Alvefur <zash@zash.se>
parents:
7558
diff
changeset
|
581 |
return client, conn; |
7556
4f3e4a092348
net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents:
7555
diff
changeset
|
582 |
end |
4f3e4a092348
net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents:
7555
diff
changeset
|
583 |
|
7803
dadf9ba290c5
server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents:
7802
diff
changeset
|
584 |
-- Dump all data from one connection into another |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
585 |
local function link(from, to) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
586 |
from.listeners = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
587 |
onincoming = function (_, data) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
588 |
from:pause(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
589 |
to:write(data); |
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 |
}, {__index=from.listeners}); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
592 |
to.listeners = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
593 |
ondrain = function () |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
594 |
from:resume(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
595 |
end, |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
596 |
}, {__index=to.listeners}); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
597 |
from:setflags(true, nil); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
598 |
to:setflags(nil, true); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
599 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
600 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
601 |
-- XXX What uses this? |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
602 |
-- net.adns |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
603 |
function interface:set_send(new_send) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
604 |
self.send = new_send; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
605 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
606 |
|
7803
dadf9ba290c5
server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents:
7802
diff
changeset
|
607 |
-- Close all connections and servers |
7797
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7740
diff
changeset
|
608 |
local function closeall() |
7802
93643a61858a
server_epoll: Ignore unused loop variable [luacheck]
Kim Alvefur <zash@zash.se>
parents:
7800
diff
changeset
|
609 |
for fd, conn in pairs(fds) do -- luacheck: ignore 213/fd |
7797
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7740
diff
changeset
|
610 |
conn:close(); |
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7740
diff
changeset
|
611 |
end |
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7740
diff
changeset
|
612 |
end |
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7740
diff
changeset
|
613 |
|
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
614 |
local quitting = nil; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
615 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
616 |
-- Signal main loop about shutdown via above upvalue |
7799
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7798
diff
changeset
|
617 |
local function setquitting(quit) |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7798
diff
changeset
|
618 |
if quit then |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7798
diff
changeset
|
619 |
quitting = "quitting"; |
7800
d0c32d86724f
server_epoll: Flush and close all connections before quitting mainloop so no data is lost in buffers
Kim Alvefur <zash@zash.se>
parents:
7799
diff
changeset
|
620 |
closeall(); |
7799
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7798
diff
changeset
|
621 |
else |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7798
diff
changeset
|
622 |
quitting = nil; |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7798
diff
changeset
|
623 |
end |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
624 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
625 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
626 |
-- Main loop |
7798
03081bd5c5bb
net.server_epoll: Add the 'once' argument to loop for parity with server_select
Kim Alvefur <zash@zash.se>
parents:
7797
diff
changeset
|
627 |
local function loop(once) |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
628 |
repeat |
7661
e14a124c4d73
net.server_epoll: Make minimum poll wait time configurable
Kim Alvefur <zash@zash.se>
parents:
7660
diff
changeset
|
629 |
local t = runtimers(cfg.max_wait, cfg.min_wait); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
630 |
local fd, r, w = epoll.wait(t); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
631 |
if fd then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
632 |
local conn = fds[fd]; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
633 |
if conn then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
634 |
if r then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
635 |
conn:onreadable(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
636 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
637 |
if w then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
638 |
conn:onwriteable(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
639 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
640 |
else |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
641 |
log("debug", "Removing unknown fd %d", fd); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
642 |
epoll.ctl("del", fd); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
643 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
644 |
elseif r ~= "timeout" then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
645 |
log("debug", "epoll_wait error: %s", tostring(r)); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
646 |
end |
7800
d0c32d86724f
server_epoll: Flush and close all connections before quitting mainloop so no data is lost in buffers
Kim Alvefur <zash@zash.se>
parents:
7799
diff
changeset
|
647 |
until once or (quitting and next(fds) == nil); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
648 |
return quitting; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
649 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
650 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
651 |
return { |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
652 |
get_backend = function () return "epoll"; end; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
653 |
addserver = addserver; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
654 |
addclient = addclient; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
655 |
add_task = addtimer; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
656 |
at = at; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
657 |
loop = loop; |
7797
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7740
diff
changeset
|
658 |
closeall = closeall; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
659 |
setquitting = setquitting; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
660 |
wrapclient = wrapclient; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
661 |
link = link; |
7660
252823632401
net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents:
7640
diff
changeset
|
662 |
set_config = function (newconfig) |
252823632401
net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents:
7640
diff
changeset
|
663 |
cfg = setmetatable(newconfig, default_config); |
252823632401
net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents:
7640
diff
changeset
|
664 |
end; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
665 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
666 |
-- libevent emulation |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
667 |
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
|
668 |
addevent = function (fd, mode, callback) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
669 |
local function onevent(self) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
670 |
local ret = self:callback(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
671 |
if ret == -1 then |
7820
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
672 |
self:setflags(false, false); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
673 |
elseif ret then |
7820
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
674 |
self:setflags(mode == "r" or mode == "rw", mode == "w" or mode == "rw"); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
675 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
676 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
677 |
|
7820
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
678 |
local conn = setmetatable({ |
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
679 |
getfd = function () return fd; end; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
680 |
callback = callback; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
681 |
onreadable = onevent; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
682 |
onwriteable = onevent; |
7820
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
683 |
close = function (self) |
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
684 |
self:setflags(false, false); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
685 |
fds[fd] = nil; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
686 |
end; |
7820
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
687 |
}, interface_mt); |
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
688 |
local ok, err = conn:setflags(mode == "r" or mode == "rw", mode == "w" or mode == "rw"); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
689 |
if not ok then return ok, err; end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
690 |
return conn; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
691 |
end; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
692 |
}; |