author | Kim Alvefur <zash@zash.se> |
Thu, 04 Nov 2021 01:00:06 +0100 | |
branch | 0.11 |
changeset 12093 | 76b4e3f12b53 |
parent 12088 | 59557bc3c4b8 |
child 12095 | 7a48ccb084dd |
permissions | -rw-r--r-- |
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-- Prosody IM |
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-- Copyright (C) 2016-2018 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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local t_insert = table.insert; |
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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 type = type; |
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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 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 indexedbheap = require "util.indexedbheap"; |
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local createtable = require "util.table".create; |
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local inet = require "util.net"; |
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local inet_pton = inet.pton; |
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local _SOCKETINVALID = socket._SOCKETINVALID or -1; |
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local poller = require "util.poll" |
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local EEXIST = poller.EEXIST; |
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local ENOENT = poller.ENOENT; |
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local poll = assert(poller.new()); |
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local _ENV = nil; |
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-- luacheck: std none |
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local default_config = { __index = { |
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-- If a connection is silent for this long, close it unless onreadtimeout says not to |
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read_timeout = 14 * 60; |
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-- How long to wait for a socket to become writable after queuing data to send |
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send_timeout = 60; |
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-- Some number possibly influencing how many pending connections can be accepted |
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tcp_backlog = 128; |
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-- If accepting a new incoming connection fails, wait this long before trying again |
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accept_retry_interval = 10; |
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-- If there is still more data to read from LuaSocktes buffer, wait this long and read again |
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read_retry_delay = 1e-06; |
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-- Size of chunks to read from sockets |
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read_size = 8192; |
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-- Timeout used during between steps in TLS handshakes |
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ssl_handshake_timeout = 60; |
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-- Maximum and minimum amount of time to sleep waiting for events (adjusted for pending timers) |
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max_wait = 86400; |
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min_wait = 1e-06; |
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--- How long to wait after getting the shutdown signal before forcefully tearing down every socket |
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shutdown_deadline = 5; |
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}}; |
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local cfg = default_config.__index; |
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local fds = createtable(10, 0); -- FD -> conn |
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-- Timer and scheduling -- |
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local timers = indexedbheap.create(); |
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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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timers:remove(t.id); |
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end |
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|
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local function reschedule(t, time) |
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t[1] = time; |
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timers:reprioritize(t.id, time); |
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end |
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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, reschedule = reschedule, id = nil }; |
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timer.id = timers:insert(timer, time); |
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return timer; |
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end |
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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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local now = gettime(); |
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local peek = timers:peek(); |
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local readd; |
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while peek do |
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|
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if peek > now then |
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break; |
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end |
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local _, timer, id = timers:pop(); |
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changeset
|
111 |
local ok, ret = pcall(timer[2], now); |
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changeset
|
112 |
if ok and type(ret) == "number" then |
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changeset
|
113 |
local next_time = now+ret; |
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changeset
|
114 |
timer[1] = next_time; |
11266
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changeset
|
115 |
-- Delay insertion of timers to be re-added |
2c559953ad41
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|
116 |
-- so they don't get called again this tick |
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changeset
|
117 |
if readd then |
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diff
changeset
|
118 |
readd[id] = timer; |
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|
119 |
else |
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changeset
|
120 |
readd = { [id] = timer }; |
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changeset
|
121 |
end |
10685
e531273341d3
net.server_epoll: Fix indentation
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parents:
10063
diff
changeset
|
122 |
end |
10063
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changeset
|
123 |
|
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|
124 |
peek = timers:peek(); |
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net.server_epoll: Fix indentation
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changeset
|
125 |
end |
11266
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diff
changeset
|
126 |
|
2c559953ad41
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parents:
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changeset
|
127 |
if readd then |
11755
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net.server_epoll: Fix to preserve ids of readded timers
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parents:
11269
diff
changeset
|
128 |
for id, timer in pairs(readd) do |
a8c9a78c6a4b
net.server_epoll: Fix to preserve ids of readded timers
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changeset
|
129 |
timers:insert(timer, timer[1], id); |
11266
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changeset
|
130 |
end |
2c559953ad41
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changeset
|
131 |
peek = timers:peek(); |
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changeset
|
132 |
end |
2c559953ad41
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diff
changeset
|
133 |
|
10063
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diff
changeset
|
134 |
if peek == nil then |
7632
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net.server_epoll: Return early in the event of zero timers
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7631
diff
changeset
|
135 |
return next_delay; |
11266
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diff
changeset
|
136 |
else |
2c559953ad41
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parents:
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diff
changeset
|
137 |
next_delay = peek - now; |
7632
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net.server_epoll: Return early in the event of zero timers
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parents:
7631
diff
changeset
|
138 |
end |
0fcde9869cc1
net.server_epoll: Return early in the event of zero timers
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parents:
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diff
changeset
|
139 |
|
10063
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parents:
9998
diff
changeset
|
140 |
if next_delay < min_wait then |
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parents:
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diff
changeset
|
141 |
return min_wait; |
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changeset
|
142 |
end |
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parents:
diff
changeset
|
143 |
return next_delay; |
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parents:
diff
changeset
|
144 |
end |
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changeset
|
145 |
|
7640
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changeset
|
146 |
-- Socket handler interface |
cccea9136b2d
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changeset
|
147 |
|
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changeset
|
148 |
local interface = {}; |
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changeset
|
149 |
local interface_mt = { __index = interface }; |
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changeset
|
150 |
|
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parents:
diff
changeset
|
151 |
function interface_mt:__tostring() |
7588
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changeset
|
152 |
if self.sockname and self.peername then |
b64218c816de
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|
153 |
return ("FD %d (%s, %d, %s, %d)"):format(self:getfd(), self.peername, self.peerport, self.sockname, self.sockport); |
b64218c816de
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parents:
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diff
changeset
|
154 |
elseif self.sockname or self.peername then |
b64218c816de
net.server_epoll: Improve string representation of connections
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parents:
7587
diff
changeset
|
155 |
return ("FD %d (%s, %d)"):format(self:getfd(), self.sockname or self.peername, self.sockport or self.peerport); |
7550
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parents:
diff
changeset
|
156 |
end |
9324
146dc1e4c7ff
net.server_epoll: Simplify minimal string representation
Kim Alvefur <zash@zash.se>
parents:
9323
diff
changeset
|
157 |
return ("FD %d"):format(self:getfd()); |
7550
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parents:
diff
changeset
|
158 |
end |
b327322ce2dd
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parents:
diff
changeset
|
159 |
|
7640
cccea9136b2d
net.server_epoll: More comments
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parents:
7633
diff
changeset
|
160 |
-- Replace the listener and tell the old one |
9390
33e52f727f0f
net.connect: Fix passing request table to new listener
Kim Alvefur <zash@zash.se>
parents:
9388
diff
changeset
|
161 |
function interface:setlistener(listeners, data) |
7607
36408ef6c8c9
net.server_epoll: Call ondetach when listeners are replaced
Kim Alvefur <zash@zash.se>
parents:
7606
diff
changeset
|
162 |
self:on("detach"); |
7550
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parents:
diff
changeset
|
163 |
self.listeners = listeners; |
9390
33e52f727f0f
net.connect: Fix passing request table to new listener
Kim Alvefur <zash@zash.se>
parents:
9388
diff
changeset
|
164 |
self:on("attach", data); |
7550
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
165 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
166 |
|
7640
cccea9136b2d
net.server_epoll: More comments
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parents:
7633
diff
changeset
|
167 |
-- Call a listener callback |
7586
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
168 |
function interface:on(what, ...) |
8009
be374a5778f3
net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
parents:
7913
diff
changeset
|
169 |
if not self.listeners then |
be374a5778f3
net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
parents:
7913
diff
changeset
|
170 |
log("error", "%s has no listeners", self); |
be374a5778f3
net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
parents:
7913
diff
changeset
|
171 |
return; |
be374a5778f3
net.server_epoll: Log if there's a connection without listeners
Kim Alvefur <zash@zash.se>
parents:
7913
diff
changeset
|
172 |
end |
7586
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
173 |
local listener = self.listeners["on"..what]; |
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
174 |
if not listener then |
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
175 |
-- log("debug", "Missing listener 'on%s'", what); -- uncomment for development and debugging |
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
176 |
return; |
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
177 |
end |
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
178 |
local ok, err = pcall(listener, self, ...); |
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
179 |
if not ok then |
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
180 |
log("error", "Error calling on%s: %s", what, err); |
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
181 |
end |
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
182 |
return err; |
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
183 |
end |
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
184 |
|
7640
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net.server_epoll: More comments
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parents:
7633
diff
changeset
|
185 |
-- Return the file descriptor number |
7550
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parents:
diff
changeset
|
186 |
function interface:getfd() |
7589
846fdbbc62ba
net.server_epoll: Return something as FD when no connection exists
Kim Alvefur <zash@zash.se>
parents:
7588
diff
changeset
|
187 |
if self.conn then |
846fdbbc62ba
net.server_epoll: Return something as FD when no connection exists
Kim Alvefur <zash@zash.se>
parents:
7588
diff
changeset
|
188 |
return self.conn:getfd(); |
846fdbbc62ba
net.server_epoll: Return something as FD when no connection exists
Kim Alvefur <zash@zash.se>
parents:
7588
diff
changeset
|
189 |
end |
7740
f93b3083b46b
net.server_epoll: Use _SOCKETINVALID from LuaSocket
Kim Alvefur <zash@zash.se>
parents:
7710
diff
changeset
|
190 |
return _SOCKETINVALID; |
7550
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parents:
diff
changeset
|
191 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
192 |
|
8274
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:
8094
diff
changeset
|
193 |
function interface:server() |
c09deab9989e
net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console)
Kim Alvefur <zash@zash.se>
parents:
8094
diff
changeset
|
194 |
return self._server or self; |
c09deab9989e
net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console)
Kim Alvefur <zash@zash.se>
parents:
8094
diff
changeset
|
195 |
end |
c09deab9989e
net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console)
Kim Alvefur <zash@zash.se>
parents:
8094
diff
changeset
|
196 |
|
7640
cccea9136b2d
net.server_epoll: More comments
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parents:
7633
diff
changeset
|
197 |
-- Get IP address |
7550
b327322ce2dd
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parents:
diff
changeset
|
198 |
function interface:ip() |
7587
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
199 |
return self.peername or self.sockname; |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
200 |
end |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
201 |
|
7640
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net.server_epoll: More comments
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parents:
7633
diff
changeset
|
202 |
-- Get a port number, doesn't matter which |
7587
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
203 |
function interface:port() |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
204 |
return self.sockport or self.peerport; |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
205 |
end |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
206 |
|
7640
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parents:
7633
diff
changeset
|
207 |
-- Get local port number |
7587
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
208 |
function interface:clientport() |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
209 |
return self.sockport; |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
210 |
end |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
211 |
|
7640
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parents:
7633
diff
changeset
|
212 |
-- Get remote port |
7587
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
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parents:
7586
diff
changeset
|
213 |
function interface:serverport() |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
214 |
if self.sockport then |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
215 |
return self.sockport; |
8274
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:
8094
diff
changeset
|
216 |
elseif self._server then |
c09deab9989e
net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console)
Kim Alvefur <zash@zash.se>
parents:
8094
diff
changeset
|
217 |
self._server:port(); |
7587
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
218 |
end |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
219 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
220 |
|
7640
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221 |
-- Return underlying socket |
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222 |
function interface:socket() |
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223 |
return self.conn; |
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224 |
end |
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225 |
|
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226 |
function interface:set_mode(new_mode) |
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227 |
self.read_size = new_mode; |
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228 |
end |
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229 |
|
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230 |
function interface:setoption(k, v) |
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|
231 |
-- LuaSec doesn't expose setoption :( |
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|
232 |
if self.conn.setoption then |
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|
233 |
self.conn:setoption(k, v); |
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|
234 |
end |
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|
235 |
end |
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|
236 |
|
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|
237 |
-- Timeout for detecting dead or idle sockets |
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|
238 |
function interface:setreadtimeout(t) |
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|
239 |
if t == false then |
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|
240 |
if self._readtimeout then |
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|
241 |
self._readtimeout:close(); |
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|
242 |
self._readtimeout = nil; |
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|
243 |
end |
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|
244 |
return |
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|
245 |
end |
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|
246 |
t = t or cfg.read_timeout; |
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|
247 |
if self._readtimeout then |
10063
c8c3f2eba898
net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
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|
248 |
self._readtimeout:reschedule(gettime() + t); |
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|
249 |
else |
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|
250 |
self._readtimeout = addtimer(t, function () |
7586
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|
251 |
if self:on("readtimeout") then |
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|
252 |
return cfg.read_timeout; |
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|
253 |
else |
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|
254 |
self:on("disconnect", "read timeout"); |
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|
255 |
self:destroy(); |
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|
256 |
end |
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|
257 |
end); |
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|
258 |
end |
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|
259 |
end |
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|
260 |
|
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|
261 |
-- Timeout for detecting dead sockets |
7550
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|
262 |
function interface:setwritetimeout(t) |
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parents:
diff
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|
263 |
if t == false then |
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parents:
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changeset
|
264 |
if self._writetimeout then |
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parents:
diff
changeset
|
265 |
self._writetimeout:close(); |
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parents:
diff
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|
266 |
self._writetimeout = nil; |
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parents:
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|
267 |
end |
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parents:
diff
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|
268 |
return |
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parents:
diff
changeset
|
269 |
end |
9825
7712488c8e49
net.server_epoll: Use send_timeout for write timout like other implementations (fixes #1316)
Kim Alvefur <zash@zash.se>
parents:
9669
diff
changeset
|
270 |
t = t or cfg.send_timeout; |
7550
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parents:
diff
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|
271 |
if self._writetimeout then |
10063
c8c3f2eba898
net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388)
Kim Alvefur <zash@zash.se>
parents:
9998
diff
changeset
|
272 |
self._writetimeout:reschedule(gettime() + t); |
7550
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|
273 |
else |
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parents:
diff
changeset
|
274 |
self._writetimeout = addtimer(t, function () |
7586
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|
275 |
self:on("disconnect", "write timeout"); |
7550
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|
276 |
self:destroy(); |
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|
277 |
end); |
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|
278 |
end |
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parents:
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|
279 |
end |
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|
280 |
|
9317
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parents:
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|
281 |
function interface:add(r, w) |
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|
282 |
local fd = self:getfd(); |
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parents:
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|
283 |
if fd < 0 then |
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|
284 |
return nil, "invalid fd"; |
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diff
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|
285 |
end |
9317
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parents:
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diff
changeset
|
286 |
if r == nil then r = self._wantread; end |
c9eef7e8ee65
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parents:
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diff
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|
287 |
if w == nil then w = self._wantwrite; end |
9387
5c8006ce8cb8
net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents:
9386
diff
changeset
|
288 |
local ok, err, errno = poll:add(fd, r, w); |
9317
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net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
289 |
if not ok then |
9509
ae6636052be9
net.server_epoll: Graceful handling of registering already added socket
Kim Alvefur <zash@zash.se>
parents:
9502
diff
changeset
|
290 |
if errno == EEXIST then |
ae6636052be9
net.server_epoll: Graceful handling of registering already added socket
Kim Alvefur <zash@zash.se>
parents:
9502
diff
changeset
|
291 |
log("debug", "%s already registered!", self); |
ae6636052be9
net.server_epoll: Graceful handling of registering already added socket
Kim Alvefur <zash@zash.se>
parents:
9502
diff
changeset
|
292 |
return self:set(r, w); -- So try to change its flags |
ae6636052be9
net.server_epoll: Graceful handling of registering already added socket
Kim Alvefur <zash@zash.se>
parents:
9502
diff
changeset
|
293 |
end |
9444
116a9d0a295c
net.server_epoll: Pass error number to logging
Kim Alvefur <zash@zash.se>
parents:
9442
diff
changeset
|
294 |
log("error", "Could not register %s: %s(%d)", self, err, errno); |
9317
c9eef7e8ee65
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parents:
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diff
changeset
|
295 |
return ok, err; |
c9eef7e8ee65
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parents:
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diff
changeset
|
296 |
end |
c9eef7e8ee65
net.server_epoll: Use util.poll
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parents:
9314
diff
changeset
|
297 |
self._wantread, self._wantwrite = r, w; |
c9eef7e8ee65
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parents:
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diff
changeset
|
298 |
fds[fd] = self; |
9384
80be543a3785
net.server_epoll: Watching instead of registering, seems more understandable
Kim Alvefur <zash@zash.se>
parents:
9324
diff
changeset
|
299 |
log("debug", "Watching %s", self); |
9317
c9eef7e8ee65
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parents:
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diff
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|
300 |
return true; |
7550
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parents:
diff
changeset
|
301 |
end |
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parents:
diff
changeset
|
302 |
|
9317
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parents:
9314
diff
changeset
|
303 |
function interface:set(r, w) |
7550
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Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
304 |
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
|
305 |
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
|
306 |
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
|
307 |
end |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
308 |
if r == nil then r = self._wantread; end |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
309 |
if w == nil then w = self._wantwrite; end |
9387
5c8006ce8cb8
net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents:
9386
diff
changeset
|
310 |
local ok, err, errno = poll:set(fd, r, w); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
311 |
if not ok then |
9387
5c8006ce8cb8
net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents:
9386
diff
changeset
|
312 |
log("error", "Could not update poller state %s: %s(%d)", self, err, errno); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
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parents:
9314
diff
changeset
|
313 |
return ok, err; |
7550
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parents:
diff
changeset
|
314 |
end |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
315 |
self._wantread, self._wantwrite = r, w; |
c9eef7e8ee65
net.server_epoll: Use util.poll
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parents:
9314
diff
changeset
|
316 |
return true; |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
317 |
end |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
318 |
|
c9eef7e8ee65
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Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
319 |
function interface:del() |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
320 |
local fd = self:getfd(); |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
321 |
if fd < 0 then |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
322 |
return nil, "invalid fd"; |
7628
6afafd6d4ef0
net.server_epoll: Move management of fd registry to :setflags
Kim Alvefur <zash@zash.se>
parents:
7627
diff
changeset
|
323 |
end |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
324 |
if fds[fd] ~= self then |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
325 |
return nil, "unregistered fd"; |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
326 |
end |
9387
5c8006ce8cb8
net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents:
9386
diff
changeset
|
327 |
local ok, err, errno = poll:del(fd); |
9510
33d21f020b66
net.server_epoll: Ignore ENOENT when deregitering socket
Kim Alvefur <zash@zash.se>
parents:
9509
diff
changeset
|
328 |
if not ok and errno ~= ENOENT then |
9387
5c8006ce8cb8
net.server_epoll: Include errno in log messages
Kim Alvefur <zash@zash.se>
parents:
9386
diff
changeset
|
329 |
log("error", "Could not unregister %s: %s(%d)", self, err, errno); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
330 |
return ok, err; |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
331 |
end |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
332 |
self._wantread, self._wantwrite = nil, nil; |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
333 |
fds[fd] = nil; |
9384
80be543a3785
net.server_epoll: Watching instead of registering, seems more understandable
Kim Alvefur <zash@zash.se>
parents:
9324
diff
changeset
|
334 |
log("debug", "Unwatched %s", self); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
335 |
return true; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
336 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
337 |
|
9323
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
diff
changeset
|
338 |
function interface:setflags(r, w) |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
diff
changeset
|
339 |
if not(self._wantread or self._wantwrite) then |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
diff
changeset
|
340 |
if not(r or w) then |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
diff
changeset
|
341 |
return true; -- no change |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
diff
changeset
|
342 |
end |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
diff
changeset
|
343 |
return self:add(r, w); |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
diff
changeset
|
344 |
end |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
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:
9322
diff
changeset
|
346 |
return self:del(); |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
diff
changeset
|
347 |
end |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
diff
changeset
|
348 |
return self:set(r, w); |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
diff
changeset
|
349 |
end |
8cc498cb0df7
net.server_epoll: Add back setflags API for compat
Kim Alvefur <zash@zash.se>
parents:
9322
diff
changeset
|
350 |
|
7576
0f0a6febbc5a
net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents:
7567
diff
changeset
|
351 |
-- Called when socket is readable |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
352 |
function interface:onreadable() |
9314
9b0604fe01f1
net.server_epoll: Make read_size a server-wide option
Kim Alvefur <zash@zash.se>
parents:
9313
diff
changeset
|
353 |
local data, err, partial = self.conn:receive(self.read_size or cfg.read_size); |
7690
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
354 |
if data then |
8543
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8510
diff
changeset
|
355 |
self:onconnect(); |
7690
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
356 |
self:on("incoming", data); |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
357 |
else |
9935
485231f8b75d
net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents:
9826
diff
changeset
|
358 |
if err == "wantread" then |
485231f8b75d
net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents:
9826
diff
changeset
|
359 |
self:set(true, nil); |
485231f8b75d
net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents:
9826
diff
changeset
|
360 |
err = "timeout"; |
485231f8b75d
net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents:
9826
diff
changeset
|
361 |
elseif err == "wantwrite" then |
485231f8b75d
net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents:
9826
diff
changeset
|
362 |
self:set(nil, true); |
485231f8b75d
net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents:
9826
diff
changeset
|
363 |
err = "timeout"; |
485231f8b75d
net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents:
9826
diff
changeset
|
364 |
end |
8543
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8510
diff
changeset
|
365 |
if partial and partial ~= "" then |
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8510
diff
changeset
|
366 |
self:onconnect(); |
7690
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
367 |
self:on("incoming", partial, err); |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
368 |
end |
9935
485231f8b75d
net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333)
Kim Alvefur <zash@zash.se>
parents:
9826
diff
changeset
|
369 |
if err ~= "timeout" then |
7690
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
370 |
self:on("disconnect", err); |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
371 |
self:destroy() |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
372 |
return; |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
373 |
end |
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
374 |
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
|
375 |
if not self.conn then return; end |
9936
df73ca804719
net.server_epoll: Skip delayed continuation read on paused connections
Kim Alvefur <zash@zash.se>
parents:
9935
diff
changeset
|
376 |
if self._wantread and self.conn:dirty() then |
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
|
377 |
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
|
378 |
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
|
379 |
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
|
380 |
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
|
381 |
end |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
382 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
383 |
|
7576
0f0a6febbc5a
net.server_epoll: Add some comments
Kim Alvefur <zash@zash.se>
parents:
7567
diff
changeset
|
384 |
-- Called when socket is writable |
8545
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8544
diff
changeset
|
385 |
function interface:onwritable() |
8555
1fcefc16a55d
server_epoll: Onconnect should happen before first attempt to write to socket
Kim Alvefur <zash@zash.se>
parents:
8545
diff
changeset
|
386 |
self:onconnect(); |
8779
e7d4344e0fea
net.server_epoll: Handle connection being closed and destroyed in onconnect callback
Kim Alvefur <zash@zash.se>
parents:
8558
diff
changeset
|
387 |
if not self.conn then return; end -- could have been closed in onconnect |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
388 |
local buffer = self.writebuffer; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
389 |
local data = t_concat(buffer); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
390 |
local ok, err, partial = self.conn:send(data); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
391 |
if ok then |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
392 |
self:set(nil, false); |
8544
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:
8543
diff
changeset
|
393 |
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:
8543
diff
changeset
|
394 |
buffer[i] = nil; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
395 |
end |
8544
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:
8543
diff
changeset
|
396 |
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:
8543
diff
changeset
|
397 |
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
|
398 |
return; |
8543
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8510
diff
changeset
|
399 |
elseif partial then |
7594
138f16eb39fb
net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents:
7593
diff
changeset
|
400 |
buffer[1] = data:sub(partial+1); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
401 |
for i = #buffer, 2, -1 do |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
402 |
buffer[i] = nil; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
403 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
404 |
self:setwritetimeout(); |
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 |
if err == "wantwrite" or err == "timeout" then |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
407 |
self:set(nil, true); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
408 |
elseif err == "wantread" then |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
409 |
self:set(true, nil); |
7690
ae24deae6488
net.server_epoll: Separate ok from err branch more
Kim Alvefur <zash@zash.se>
parents:
7661
diff
changeset
|
410 |
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
|
411 |
self:on("disconnect", err); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
412 |
self:destroy(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
413 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
414 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
415 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
416 |
-- The write buffer has been successfully emptied |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
417 |
function interface:ondrain() |
8011
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
418 |
return self:on("drain"); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
419 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
420 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
421 |
-- 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
|
422 |
function interface:write(data) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
423 |
local buffer = self.writebuffer; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
424 |
if buffer then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
425 |
t_insert(buffer, data); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
426 |
else |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
427 |
self.writebuffer = { data }; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
428 |
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
|
429 |
self:setwritetimeout(); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
430 |
self:set(nil, true); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
431 |
return #data; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
432 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
433 |
interface.send = interface.write; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
434 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
435 |
-- Close, possibly after writing is done |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
436 |
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
|
437 |
if self.writebuffer and self.writebuffer[1] then |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
438 |
self:set(false, true); -- Flush final buffer contents |
7596
0266434d7df1
net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents:
7595
diff
changeset
|
439 |
self.write, self.send = noop, noop; -- No more writing |
9304
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9303
diff
changeset
|
440 |
log("debug", "Close %s after writing", self); |
8011
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
441 |
self.ondrain = interface.close; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
442 |
else |
9304
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9303
diff
changeset
|
443 |
log("debug", "Close %s now", self); |
7596
0266434d7df1
net.server_epoll: Prevent further writing after closing a socket
Kim Alvefur <zash@zash.se>
parents:
7595
diff
changeset
|
444 |
self.write, self.send = noop, noop; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
445 |
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
|
446 |
self:on("disconnect"); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
447 |
self:destroy(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
448 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
449 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
450 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
451 |
function interface:destroy() |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
452 |
self:del(); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
453 |
self:setwritetimeout(false); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
454 |
self:setreadtimeout(false); |
7597
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
455 |
self.onreadable = noop; |
8545
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8544
diff
changeset
|
456 |
self.onwritable = noop; |
7597
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
457 |
self.destroy = noop; |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
458 |
self.close = noop; |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
459 |
self.on = noop; |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
460 |
self.conn:close(); |
5e884501a9ac
net.server_epoll: Prevent anything from happening to destroyed sockets
Kim Alvefur <zash@zash.se>
parents:
7596
diff
changeset
|
461 |
self.conn = nil; |
7550
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 |
function interface:ssl() |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
465 |
return self._tls; |
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 |
|
9303
1df8832bd29e
net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents:
8986
diff
changeset
|
468 |
function interface:starttls(tls_ctx) |
1df8832bd29e
net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents:
8986
diff
changeset
|
469 |
if tls_ctx then self.tls_ctx = tls_ctx; end |
9433
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
470 |
self.starttls = false; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
471 |
if self.writebuffer and self.writebuffer[1] then |
9304
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9303
diff
changeset
|
472 |
log("debug", "Start TLS on %s after write", self); |
8011
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
473 |
self.ondrain = interface.starttls; |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
474 |
self:set(nil, true); -- make sure wantwrite is set |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
475 |
else |
9433
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
476 |
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:
9390
diff
changeset
|
477 |
self.ondrain = nil; |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
478 |
end |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
479 |
self.onwritable = interface.tlshandskake; |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
480 |
self.onreadable = interface.tlshandskake; |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
481 |
self:set(true, true); |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
482 |
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:
9390
diff
changeset
|
483 |
end |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
484 |
end |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
485 |
|
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
486 |
function interface:tlshandskake() |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
487 |
self:setwritetimeout(false); |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
488 |
self:setreadtimeout(false); |
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
489 |
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:
9390
diff
changeset
|
490 |
self._tls = true; |
9304
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9303
diff
changeset
|
491 |
log("debug", "Start TLS on %s now", self); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
492 |
self:del(); |
9434
c3c0523a37c6
net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents:
9433
diff
changeset
|
493 |
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:
9433
diff
changeset
|
494 |
if not ok then |
c3c0523a37c6
net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents:
9433
diff
changeset
|
495 |
conn, err = ok, conn; |
9576
57637247356d
net.server_epoll: Shuffle variables earlier to improve readability
Kim Alvefur <zash@zash.se>
parents:
9511
diff
changeset
|
496 |
log("error", "Failed to initialize TLS: %s", err); |
9434
c3c0523a37c6
net.server_epoll: Catch errors from luasec.wrap
Kim Alvefur <zash@zash.se>
parents:
9433
diff
changeset
|
497 |
end |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
498 |
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
|
499 |
self:on("disconnect", err); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
500 |
self:destroy(); |
7598
166b2e0766a4
net.server_epoll: Return status from starttls method
Kim Alvefur <zash@zash.se>
parents:
7597
diff
changeset
|
501 |
return conn, err; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
502 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
503 |
conn:settimeout(0); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
504 |
self.conn = conn; |
11067
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
505 |
if conn.sni and self.servername then |
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
506 |
conn:sni(self.servername); |
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
507 |
end |
9433
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
508 |
self:on("starttls"); |
8011
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
509 |
self.ondrain = nil; |
8545
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8544
diff
changeset
|
510 |
self.onwritable = interface.tlshandskake; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
511 |
self.onreadable = interface.tlshandskake; |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
512 |
return self:init(); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
513 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
514 |
local ok, err = self.conn:dohandshake(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
515 |
if ok then |
9304
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9303
diff
changeset
|
516 |
log("debug", "TLS handshake on %s complete", self); |
8545
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8544
diff
changeset
|
517 |
self.onwritable = nil; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
518 |
self.onreadable = nil; |
8011
62ed3795be13
net.server_epoll: Attempt to simplify state control
Kim Alvefur <zash@zash.se>
parents:
8010
diff
changeset
|
519 |
self:on("status", "ssl-handshake-complete"); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
520 |
self:setwritetimeout(); |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
521 |
self:set(true, true); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
522 |
elseif err == "wantread" then |
9304
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9303
diff
changeset
|
523 |
log("debug", "TLS handshake on %s to wait until readable", self); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
524 |
self:set(true, false); |
9826
13c2707d2417
net.server_epoll: Rename handshake_timeout to ssl_handshake_timeout (fixes #1319)
Kim Alvefur <zash@zash.se>
parents:
9825
diff
changeset
|
525 |
self:setreadtimeout(cfg.ssl_handshake_timeout); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
526 |
elseif err == "wantwrite" then |
9304
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9303
diff
changeset
|
527 |
log("debug", "TLS handshake on %s to wait until writable", self); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
528 |
self:set(false, true); |
9826
13c2707d2417
net.server_epoll: Rename handshake_timeout to ssl_handshake_timeout (fixes #1319)
Kim Alvefur <zash@zash.se>
parents:
9825
diff
changeset
|
529 |
self:setwritetimeout(cfg.ssl_handshake_timeout); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
530 |
else |
9304
2f9687c09e6e
net.server_epoll: Remove coercion of connections to strings
Kim Alvefur <zash@zash.se>
parents:
9303
diff
changeset
|
531 |
log("debug", "TLS handshake error on %s: %s", self, err); |
7586
0498daffa6f0
net.server_epoll: Call callbacks through common method in protected mode
Kim Alvefur <zash@zash.se>
parents:
7577
diff
changeset
|
532 |
self:on("disconnect", err); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
533 |
self:destroy(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
534 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
535 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
536 |
|
11067
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
537 |
local function wrapsocket(client, server, read_size, listeners, tls_ctx, extra) -- luasocket object -> interface object |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
538 |
client:settimeout(0); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
539 |
local conn = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
540 |
conn = client; |
8274
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:
8094
diff
changeset
|
541 |
_server = server; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
542 |
created = gettime(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
543 |
listeners = listeners; |
9313
2d2d4c293efa
net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents:
9312
diff
changeset
|
544 |
read_size = read_size or (server and server.read_size); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
545 |
writebuffer = {}; |
9435
2e3f66475cc8
net.server_epoll: Inherit Direct TLS flag from servers to their clients
Kim Alvefur <zash@zash.se>
parents:
9434
diff
changeset
|
546 |
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:
9434
diff
changeset
|
547 |
tls_direct = server and server.tls_direct; |
11067
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
548 |
extra = extra; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
549 |
}, interface_mt); |
7594
138f16eb39fb
net.server_epoll: Improve syntax
Kim Alvefur <zash@zash.se>
parents:
7593
diff
changeset
|
550 |
|
11067
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
551 |
if extra then |
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
552 |
if extra.servername then |
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
553 |
conn.servername = extra.servername; |
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
554 |
end |
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
555 |
end |
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
556 |
|
9386
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9385
diff
changeset
|
557 |
conn:updatenames(); |
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9385
diff
changeset
|
558 |
return conn; |
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9385
diff
changeset
|
559 |
end |
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9385
diff
changeset
|
560 |
|
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9385
diff
changeset
|
561 |
function interface:updatenames() |
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9385
diff
changeset
|
562 |
local conn = self.conn; |
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9385
diff
changeset
|
563 |
local ok, peername, peerport = pcall(conn.getpeername, conn); |
9385
31a2be28729c
net.server_epoll: Protect from errors in get{peer,sock}name
Kim Alvefur <zash@zash.se>
parents:
9384
diff
changeset
|
564 |
if ok then |
9386
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9385
diff
changeset
|
565 |
self.peername, self.peerport = peername, peerport; |
7587
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
566 |
end |
9386
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9385
diff
changeset
|
567 |
local ok, sockname, sockport = pcall(conn.getsockname, conn); |
9385
31a2be28729c
net.server_epoll: Protect from errors in get{peer,sock}name
Kim Alvefur <zash@zash.se>
parents:
9384
diff
changeset
|
568 |
if ok then |
9386
3260902a5b22
net.server_epoll: Factor out IP/port detection into its own method
Kim Alvefur <zash@zash.se>
parents:
9385
diff
changeset
|
569 |
self.sockname, self.sockport = sockname, sockport; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
570 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
571 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
572 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
573 |
-- A server interface has new incoming connections waiting |
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
574 |
-- This replaces the onreadable callback |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
575 |
function interface:onacceptable() |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
576 |
local conn, err = self.conn:accept(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
577 |
if not conn then |
7577
97b8506118a9
net.server_epoll: Fix missing quotes in logging call
Kim Alvefur <zash@zash.se>
parents:
7576
diff
changeset
|
578 |
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
|
579 |
self:pausefor(cfg.accept_retry_interval); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
580 |
return; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
581 |
end |
9312
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
582 |
local client = wrapsocket(conn, self, nil, self.listeners); |
7595
10d2f008321d
net.server_epoll: Additional logging of connects and TLS
Kim Alvefur <zash@zash.se>
parents:
7594
diff
changeset
|
583 |
log("debug", "New connection %s", tostring(client)); |
9433
412ff404bf58
net.server_epoll: Delay wrapping sockets in TLS until just before first handshake
Kim Alvefur <zash@zash.se>
parents:
9390
diff
changeset
|
584 |
client:init(); |
9312
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
585 |
if self.tls_direct then |
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
586 |
client:starttls(self.tls_ctx); |
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
587 |
end |
7600
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
588 |
end |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
589 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
590 |
-- Initialization |
7600
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
591 |
function interface:init() |
9309
35c128b42509
net.server_epoll: Factor Direct TLS handling out of connection initialization
Kim Alvefur <zash@zash.se>
parents:
9304
diff
changeset
|
592 |
self:setwritetimeout(); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
593 |
return self:add(true, true); |
7550
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:pause() |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
597 |
return self:set(false); |
7550
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 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
600 |
function interface:resume() |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
601 |
return self:set(true); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
602 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
603 |
|
7627 | 604 |
-- Pause connection for some time |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
605 |
function interface:pausefor(t) |
7562
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
606 |
if self._pausefor then |
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
607 |
self._pausefor:close(); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
608 |
end |
7562
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
609 |
if t == false then return; end |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
610 |
self:set(false); |
7562
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
611 |
self._pausefor = addtimer(t, function () |
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
612 |
self._pausefor = nil; |
9998
524b8cd76780
net.server_epoll: Restore wantread flag after pause (fixes #1354)
Kim Alvefur <zash@zash.se>
parents:
9936
diff
changeset
|
613 |
self:set(true); |
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
|
614 |
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
|
615 |
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
|
616 |
end |
7562
b1b27dedf4cf
net.server_epoll: Replace any previous pausefor timer
Kim Alvefur <zash@zash.se>
parents:
7561
diff
changeset
|
617 |
end); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
618 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
619 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
620 |
-- Connected! |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
621 |
function interface:onconnect() |
8781
0364454bdd77
net.server_epoll: Guard against connection missing the getpeername method (thanks LuaSec)
Kim Alvefur <zash@zash.se>
parents:
8780
diff
changeset
|
622 |
if self.conn and not self.peername and self.conn.getpeername then |
8780
2bfe963f3041
net.server_epoll: Retry retrieving peername once connected
Kim Alvefur <zash@zash.se>
parents:
8779
diff
changeset
|
623 |
self.peername, self.peerport = self.conn:getpeername(); |
2bfe963f3041
net.server_epoll: Retry retrieving peername once connected
Kim Alvefur <zash@zash.se>
parents:
8779
diff
changeset
|
624 |
end |
8543
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8510
diff
changeset
|
625 |
self.onconnect = noop; |
ba9fd886b34d
net.server_epoll: Call onconnect listener on first successful read or write
Kim Alvefur <zash@zash.se>
parents:
8510
diff
changeset
|
626 |
self:on("connect"); |
8509
174fd716c9fa
server_epoll: Rework how socket readyness is detected
Kim Alvefur <zash@zash.se>
parents:
8274
diff
changeset
|
627 |
end |
174fd716c9fa
server_epoll: Rework how socket readyness is detected
Kim Alvefur <zash@zash.se>
parents:
8274
diff
changeset
|
628 |
|
9313
2d2d4c293efa
net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents:
9312
diff
changeset
|
629 |
local function addserver(addr, port, listeners, read_size, tls_ctx) |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
630 |
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
|
631 |
if not conn then return conn, err; end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
632 |
conn:settimeout(0); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
633 |
local server = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
634 |
conn = conn; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
635 |
created = gettime(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
636 |
listeners = listeners; |
9313
2d2d4c293efa
net.server_epoll: Rename pattern to read_size
Kim Alvefur <zash@zash.se>
parents:
9312
diff
changeset
|
637 |
read_size = read_size; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
638 |
onreadable = interface.onacceptable; |
9303
1df8832bd29e
net.server_epoll: Rename all variables holding TLS contexts for consistency
Kim Alvefur <zash@zash.se>
parents:
8986
diff
changeset
|
639 |
tls_ctx = tls_ctx; |
9312
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
640 |
tls_direct = tls_ctx and true or false; |
7587
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
641 |
sockname = addr; |
98ee3ed105cf
net.server_epoll: Collect and expose local and remote address and ports
Kim Alvefur <zash@zash.se>
parents:
7586
diff
changeset
|
642 |
sockport = port; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
643 |
}, interface_mt); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
644 |
server:add(true, false); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
645 |
return server; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
646 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
647 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
648 |
-- COMPAT |
11067
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
649 |
local function wrapclient(conn, addr, port, listeners, read_size, tls_ctx, extra) |
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
650 |
local client = wrapsocket(conn, nil, read_size, listeners, tls_ctx, extra); |
7600
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
651 |
if not client.peername then |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
652 |
client.peername, client.peerport = addr, port; |
cd34aa6b1632
net.server_epoll: Refactor to use common initialization
Kim Alvefur <zash@zash.se>
parents:
7599
diff
changeset
|
653 |
end |
9476
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9448
diff
changeset
|
654 |
local ok, err = client:init(); |
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9448
diff
changeset
|
655 |
if not ok then return ok, err; end |
9312
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
656 |
if tls_ctx then |
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
657 |
client:starttls(tls_ctx); |
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
658 |
end |
7554
838212918f11
net.server_epoll: Rename arguments and varibles for consistensy
Kim Alvefur <zash@zash.se>
parents:
7553
diff
changeset
|
659 |
return client; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
660 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
661 |
|
7803
dadf9ba290c5
server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents:
7802
diff
changeset
|
662 |
-- New outgoing TCP connection |
11067
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
663 |
local function addclient(addr, port, listeners, read_size, tls_ctx, typ, extra) |
9500
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
664 |
local create; |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
665 |
if not typ then |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
666 |
local n = inet_pton(addr); |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
667 |
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:
9480
diff
changeset
|
668 |
if #n == 16 then |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
669 |
typ = "tcp6"; |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
670 |
else |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
671 |
typ = "tcp4"; |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
672 |
end |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
673 |
end |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
674 |
if typ then |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
675 |
create = socket[typ]; |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
676 |
end |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
677 |
if type(create) ~= "function" then |
183ff7a8051b
net.server_epoll: Add support for the conn_type argument to addclient
Kim Alvefur <zash@zash.se>
parents:
9480
diff
changeset
|
678 |
return nil, "invalid socket type"; |
9476
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9448
diff
changeset
|
679 |
end |
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9448
diff
changeset
|
680 |
local conn, err = create(); |
9501
cc593002f2e2
net.server_epoll: Check return conditions of early socket setup
Kim Alvefur <zash@zash.se>
parents:
9500
diff
changeset
|
681 |
local ok, err = conn:settimeout(0); |
cc593002f2e2
net.server_epoll: Check return conditions of early socket setup
Kim Alvefur <zash@zash.se>
parents:
9500
diff
changeset
|
682 |
if not ok then return ok, err; end |
9502
36e379f058c8
net.server: Swich method for connecting sockets with remotes
Kim Alvefur <zash@zash.se>
parents:
9501
diff
changeset
|
683 |
local ok, err = conn:setpeername(addr, port); |
9501
cc593002f2e2
net.server_epoll: Check return conditions of early socket setup
Kim Alvefur <zash@zash.se>
parents:
9500
diff
changeset
|
684 |
if not ok and err ~= "timeout" then return ok, err; end |
11067
30d3f6f85eb8
net.server: Backport client parts of SNI support from trunk (#409)
Kim Alvefur <zash@zash.se>
parents:
10685
diff
changeset
|
685 |
local client = wrapsocket(conn, nil, read_size, listeners, tls_ctx, extra) |
9476
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9448
diff
changeset
|
686 |
local ok, err = client:init(); |
5fdda751333a
net.server: Require IP address as argument to addclient (no DNS names)
Kim Alvefur <zash@zash.se>
parents:
9448
diff
changeset
|
687 |
if not ok then return ok, err; end |
9312
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
688 |
if tls_ctx then |
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
689 |
client:starttls(tls_ctx); |
33d500c25d76
net.server_epoll: Refactor Direct TLS assumptions outwards
Kim Alvefur <zash@zash.se>
parents:
9309
diff
changeset
|
690 |
end |
7559
1f777b38b66c
net.server_epoll: Make addclient conform to API (expected by net.http.request)
Kim Alvefur <zash@zash.se>
parents:
7558
diff
changeset
|
691 |
return client, conn; |
7556
4f3e4a092348
net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents:
7555
diff
changeset
|
692 |
end |
4f3e4a092348
net.server_epoll: Make addclient use wrapclient
Kim Alvefur <zash@zash.se>
parents:
7555
diff
changeset
|
693 |
|
9322
7c954c75b6ac
net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents:
9317
diff
changeset
|
694 |
local function watchfd(fd, onreadable, onwritable) |
8784
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
695 |
local conn = setmetatable({ |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
696 |
conn = fd; |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
697 |
onreadable = onreadable; |
9322
7c954c75b6ac
net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents:
9317
diff
changeset
|
698 |
onwritable = onwritable; |
8784
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
699 |
close = function (self) |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
700 |
self:del(); |
8784
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
701 |
end |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
702 |
}, interface_mt); |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
703 |
if type(fd) == "number" then |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
704 |
conn.getfd = function () |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
705 |
return fd; |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
706 |
end; |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
707 |
-- 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:
8781
diff
changeset
|
708 |
end |
9322
7c954c75b6ac
net.server_epoll: Fix write signal handling in watchfd API
Kim Alvefur <zash@zash.se>
parents:
9317
diff
changeset
|
709 |
conn:add(onreadable, onwritable); |
8784
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
710 |
return conn; |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
711 |
end; |
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
712 |
|
7803
dadf9ba290c5
server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents:
7802
diff
changeset
|
713 |
-- 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
|
714 |
local function link(from, to) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
715 |
from.listeners = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
716 |
onincoming = function (_, data) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
717 |
from:pause(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
718 |
to:write(data); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
719 |
end, |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
720 |
}, {__index=from.listeners}); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
721 |
to.listeners = setmetatable({ |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
722 |
ondrain = function () |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
723 |
from:resume(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
724 |
end, |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
725 |
}, {__index=to.listeners}); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
726 |
from:set(true, nil); |
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
727 |
to:set(nil, true); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
728 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
729 |
|
9441
916bee81eb7e
net.server_epoll: Make :set_send a noop, should fix net.adns
Kim Alvefur <zash@zash.se>
parents:
9435
diff
changeset
|
730 |
-- COMPAT |
916bee81eb7e
net.server_epoll: Make :set_send a noop, should fix net.adns
Kim Alvefur <zash@zash.se>
parents:
9435
diff
changeset
|
731 |
-- net.adns calls this but then replaces :send so this can be a noop |
9442
988392a56495
net.server_epoll: Fix luacheck annotation
Kim Alvefur <zash@zash.se>
parents:
9441
diff
changeset
|
732 |
function interface:set_send(new_send) -- luacheck: ignore 212 |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
733 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
734 |
|
7803
dadf9ba290c5
server_epoll: Add some comments describing some functions
Kim Alvefur <zash@zash.se>
parents:
7802
diff
changeset
|
735 |
-- 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
|
736 |
local function closeall() |
7802
93643a61858a
server_epoll: Ignore unused loop variable [luacheck]
Kim Alvefur <zash@zash.se>
parents:
7800
diff
changeset
|
737 |
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
|
738 |
conn:close(); |
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7740
diff
changeset
|
739 |
end |
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7740
diff
changeset
|
740 |
end |
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7740
diff
changeset
|
741 |
|
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
742 |
local quitting = nil; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
743 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
744 |
-- 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
|
745 |
local function setquitting(quit) |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7798
diff
changeset
|
746 |
if quit then |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7798
diff
changeset
|
747 |
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
|
748 |
closeall(); |
11814
fe0cdbad19c3
net.server_epoll: Close sockets added after shutdown signal (fixes #1670)
Kim Alvefur <zash@zash.se>
parents:
11755
diff
changeset
|
749 |
addtimer(1, function () |
fe0cdbad19c3
net.server_epoll: Close sockets added after shutdown signal (fixes #1670)
Kim Alvefur <zash@zash.se>
parents:
11755
diff
changeset
|
750 |
if quitting then |
fe0cdbad19c3
net.server_epoll: Close sockets added after shutdown signal (fixes #1670)
Kim Alvefur <zash@zash.se>
parents:
11755
diff
changeset
|
751 |
closeall(); |
fe0cdbad19c3
net.server_epoll: Close sockets added after shutdown signal (fixes #1670)
Kim Alvefur <zash@zash.se>
parents:
11755
diff
changeset
|
752 |
return 1; |
fe0cdbad19c3
net.server_epoll: Close sockets added after shutdown signal (fixes #1670)
Kim Alvefur <zash@zash.se>
parents:
11755
diff
changeset
|
753 |
end |
fe0cdbad19c3
net.server_epoll: Close sockets added after shutdown signal (fixes #1670)
Kim Alvefur <zash@zash.se>
parents:
11755
diff
changeset
|
754 |
end); |
11815
ae43166fe931
net.server_epoll: Add a hard deadline on shutdown to extra-fix #1670
Kim Alvefur <zash@zash.se>
parents:
11814
diff
changeset
|
755 |
if cfg.shutdown_deadline then |
ae43166fe931
net.server_epoll: Add a hard deadline on shutdown to extra-fix #1670
Kim Alvefur <zash@zash.se>
parents:
11814
diff
changeset
|
756 |
addtimer(cfg.shutdown_deadline, function () |
ae43166fe931
net.server_epoll: Add a hard deadline on shutdown to extra-fix #1670
Kim Alvefur <zash@zash.se>
parents:
11814
diff
changeset
|
757 |
if quitting then |
ae43166fe931
net.server_epoll: Add a hard deadline on shutdown to extra-fix #1670
Kim Alvefur <zash@zash.se>
parents:
11814
diff
changeset
|
758 |
for fd, conn in pairs(fds) do -- luacheck: ignore 213/fd |
ae43166fe931
net.server_epoll: Add a hard deadline on shutdown to extra-fix #1670
Kim Alvefur <zash@zash.se>
parents:
11814
diff
changeset
|
759 |
conn:destroy(); |
ae43166fe931
net.server_epoll: Add a hard deadline on shutdown to extra-fix #1670
Kim Alvefur <zash@zash.se>
parents:
11814
diff
changeset
|
760 |
end |
ae43166fe931
net.server_epoll: Add a hard deadline on shutdown to extra-fix #1670
Kim Alvefur <zash@zash.se>
parents:
11814
diff
changeset
|
761 |
end |
ae43166fe931
net.server_epoll: Add a hard deadline on shutdown to extra-fix #1670
Kim Alvefur <zash@zash.se>
parents:
11814
diff
changeset
|
762 |
end); |
ae43166fe931
net.server_epoll: Add a hard deadline on shutdown to extra-fix #1670
Kim Alvefur <zash@zash.se>
parents:
11814
diff
changeset
|
763 |
end |
7799
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7798
diff
changeset
|
764 |
else |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7798
diff
changeset
|
765 |
quitting = nil; |
12609aee3b3b
server_epoll: Handle the argument to setquitting like server_select
Kim Alvefur <zash@zash.se>
parents:
7798
diff
changeset
|
766 |
end |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
767 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
768 |
|
7640
cccea9136b2d
net.server_epoll: More comments
Kim Alvefur <zash@zash.se>
parents:
7633
diff
changeset
|
769 |
-- 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
|
770 |
local function loop(once) |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
771 |
repeat |
7661
e14a124c4d73
net.server_epoll: Make minimum poll wait time configurable
Kim Alvefur <zash@zash.se>
parents:
7660
diff
changeset
|
772 |
local t = runtimers(cfg.max_wait, cfg.min_wait); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
773 |
local fd, r, w = poll:wait(t); |
12088
59557bc3c4b8
net.server_epoll: Process all queued events from epoll before timers
Kim Alvefur <zash@zash.se>
parents:
11815
diff
changeset
|
774 |
while fd do |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
775 |
local conn = fds[fd]; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
776 |
if conn then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
777 |
if r then |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
778 |
conn:onreadable(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
779 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
780 |
if w then |
8545
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8544
diff
changeset
|
781 |
conn:onwritable(); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
782 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
783 |
else |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
784 |
log("debug", "Removing unknown fd %d", fd); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
785 |
poll:del(fd); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
786 |
end |
12088
59557bc3c4b8
net.server_epoll: Process all queued events from epoll before timers
Kim Alvefur <zash@zash.se>
parents:
11815
diff
changeset
|
787 |
fd, r, w = poll:wait(0); |
59557bc3c4b8
net.server_epoll: Process all queued events from epoll before timers
Kim Alvefur <zash@zash.se>
parents:
11815
diff
changeset
|
788 |
end |
59557bc3c4b8
net.server_epoll: Process all queued events from epoll before timers
Kim Alvefur <zash@zash.se>
parents:
11815
diff
changeset
|
789 |
if r ~= "timeout" and r ~= "signal" then |
9448
af7eafe82447
net.server_epoll: Log error number from wait()
Kim Alvefur <zash@zash.se>
parents:
9444
diff
changeset
|
790 |
log("debug", "epoll_wait error: %s[%d]", r, w); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
791 |
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
|
792 |
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
|
793 |
return quitting; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
794 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
795 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
796 |
return { |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
797 |
get_backend = function () return "epoll"; end; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
798 |
addserver = addserver; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
799 |
addclient = addclient; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
800 |
add_task = addtimer; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
801 |
at = at; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
802 |
loop = loop; |
7797
424bbbeb9257
server_epoll: Add closeall() method for closing all clients and servers
Kim Alvefur <zash@zash.se>
parents:
7740
diff
changeset
|
803 |
closeall = closeall; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
804 |
setquitting = setquitting; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
805 |
wrapclient = wrapclient; |
8784
53178b6ba589
net.server: Add watchfd, a simple API for watching file descriptors
Kim Alvefur <zash@zash.se>
parents:
8781
diff
changeset
|
806 |
watchfd = watchfd; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
807 |
link = link; |
7660
252823632401
net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents:
7640
diff
changeset
|
808 |
set_config = function (newconfig) |
252823632401
net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents:
7640
diff
changeset
|
809 |
cfg = setmetatable(newconfig, default_config); |
252823632401
net.server_epoll: Support for setting configuration parameters
Kim Alvefur <zash@zash.se>
parents:
7640
diff
changeset
|
810 |
end; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
811 |
|
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
812 |
-- libevent emulation |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
813 |
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
|
814 |
addevent = function (fd, mode, callback) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
815 |
local function onevent(self) |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
816 |
local ret = self:callback(); |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
817 |
if ret == -1 then |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
818 |
self:set(false, false); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
819 |
elseif ret then |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
820 |
self:set(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
|
821 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
822 |
end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
823 |
|
7820
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
824 |
local conn = setmetatable({ |
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
825 |
getfd = function () return fd; end; |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
826 |
callback = callback; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
827 |
onreadable = onevent; |
8545
8c39ec8e6018
net.server_epoll: Spelling writeable -> writable
Kim Alvefur <zash@zash.se>
parents:
8544
diff
changeset
|
828 |
onwritable = onevent; |
7820
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
829 |
close = function (self) |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
830 |
self:del(); |
7550
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
831 |
fds[fd] = nil; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
832 |
end; |
7820
4e3654031693
net.server_epoll: Reuse interface metatable for event compat layer
Kim Alvefur <zash@zash.se>
parents:
7814
diff
changeset
|
833 |
}, interface_mt); |
9317
c9eef7e8ee65
net.server_epoll: Use util.poll
Kim Alvefur <zash@zash.se>
parents:
9314
diff
changeset
|
834 |
local ok, err = conn:add(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
|
835 |
if not ok then return ok, err; end |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
836 |
return conn; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
837 |
end; |
b327322ce2dd
net.server_epoll: New experimental server backend
Kim Alvefur <zash@zash.se>
parents:
diff
changeset
|
838 |
}; |