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net/server_epoll.lua @ 11265:957d417eb56e 0.11

net.server_epoll: Fix off-by-one in 2c559953ad41 Thanks tmolitor

author	Kim Alvefur <zash@zash.se>
date	Sun, 10 Jan 2021 14:54:03 +0100
parent	11262:2c559953ad41
child	11267:97077089f3c2
child	11751:a8c9a78c6a4b

rev	line source
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	1 -- Prosody IM
9474 619ba78709a5 net.server_epoll: Update copyright year Kim Alvefur <zash@zash.se> parents: 9473 diff changeset	2 -- Copyright (C) 2016-2018 Kim Alvefur
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	3 --
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	4 -- This project is MIT/X11 licensed. Please see the
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	5 -- COPYING file in the source package for more information.
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	6 --
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	7
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	8
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	9 local t_insert = table.insert;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	10 local t_concat = table.concat;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	11 local setmetatable = setmetatable;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	12 local tostring = tostring;
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	13 local pcall = pcall;
8781 53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	14 local type = type;
7797 d0c32d86724f server_epoll: Flush and close all connections before quitting mainloop so no data is lost in buffers Kim Alvefur <zash@zash.se> parents: 7796 diff changeset	15 local next = next;
7794 424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers Kim Alvefur <zash@zash.se> parents: 7737 diff changeset	16 local pairs = pairs;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	17 local log = require "util.logger".init("server_epoll");
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	18 local socket = require "socket";
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	19 local luasec = require "ssl";
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	20 local gettime = require "util.time".now;
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	21 local indexedbheap = require "util.indexedbheap";
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	22 local createtable = require "util.table".create;
9473 5fdda751333a net.server: Require IP address as argument to addclient (no DNS names) Kim Alvefur <zash@zash.se> parents: 9445 diff changeset	23 local inet = require "util.net";
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names) Kim Alvefur <zash@zash.se> parents: 9445 diff changeset	24 local inet_pton = inet.pton;
7737 f93b3083b46b net.server_epoll: Use _SOCKETINVALID from LuaSocket Kim Alvefur <zash@zash.se> parents: 7707 diff changeset	25 local _SOCKETINVALID = socket._SOCKETINVALID or -1;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	26
9506 ae6636052be9 net.server_epoll: Graceful handling of registering already added socket Kim Alvefur <zash@zash.se> parents: 9499 diff changeset	27 local poller = require "util.poll"
ae6636052be9 net.server_epoll: Graceful handling of registering already added socket Kim Alvefur <zash@zash.se> parents: 9499 diff changeset	28 local EEXIST = poller.EEXIST;
9507 33d21f020b66 net.server_epoll: Ignore ENOENT when deregitering socket Kim Alvefur <zash@zash.se> parents: 9506 diff changeset	29 local ENOENT = poller.ENOENT;
9506 ae6636052be9 net.server_epoll: Graceful handling of registering already added socket Kim Alvefur <zash@zash.se> parents: 9499 diff changeset	30
ae6636052be9 net.server_epoll: Graceful handling of registering already added socket Kim Alvefur <zash@zash.se> parents: 9499 diff changeset	31 local poll = assert(poller.new());
7601 ce20546d7714 net.server_epoll: Make sure a recent LuaSocket is avaliable Kim Alvefur <zash@zash.se> parents: 7600 diff changeset	32
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	33 local _ENV = nil;
8555 4f0f5b49bb03 vairious: Add annotation when an empty environment is set [luacheck] Kim Alvefur <zash@zash.se> parents: 8552 diff changeset	34 -- luacheck: std none
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	35
7657 252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	36 local default_config = { __index = {
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	37 -- If a connection is silent for this long, close it unless onreadtimeout says not to
8983 23f66f04e216 net.server: Set default read timeout to 14 minutes (fixes #971) Kim Alvefur <zash@zash.se> parents: 8781 diff changeset	38 read_timeout = 14 * 60;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	39
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	40 -- How long to wait for a socket to become writable after queuing data to send
9821 7712488c8e49 net.server_epoll: Use send_timeout for write timout like other implementations (fixes #1316) Kim Alvefur <zash@zash.se> parents: 9665 diff changeset	41 send_timeout = 60;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	42
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	43 -- Some number possibly influencing how many pending connections can be accepted
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	44 tcp_backlog = 128;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	45
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	46 -- If accepting a new incoming connection fails, wait this long before trying again
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	47 accept_retry_interval = 10;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	48
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	49 -- If there is still more data to read from LuaSocktes buffer, wait this long and read again
7560 785fa1138293 net.server_epoll: Continue reading after a slight delay if there is buffered data after a read Kim Alvefur <zash@zash.se> parents: 7559 diff changeset	50 read_retry_delay = 1e-06;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	51
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	52 -- Size of chunks to read from sockets
9311 9b0604fe01f1 net.server_epoll: Make read_size a server-wide option Kim Alvefur <zash@zash.se> parents: 9310 diff changeset	53 read_size = 8192;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	54
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	55 -- Timeout used during between steps in TLS handshakes
9822 13c2707d2417 net.server_epoll: Rename handshake_timeout to ssl_handshake_timeout (fixes #1319) Kim Alvefur <zash@zash.se> parents: 9821 diff changeset	56 ssl_handshake_timeout = 60;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	57
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	58 -- Maximum and minimum amount of time to sleep waiting for events (adjusted for pending timers)
7623 a1c040a5754f net.server_epoll: Make maximum wait time configurable Kim Alvefur <zash@zash.se> parents: 7606 diff changeset	59 max_wait = 86400;
7658 e14a124c4d73 net.server_epoll: Make minimum poll wait time configurable Kim Alvefur <zash@zash.se> parents: 7657 diff changeset	60 min_wait = 1e-06;
7657 252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	61 }};
252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	62 local cfg = default_config.__index;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	63
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	64 local fds = createtable(10, 0); -- FD -> conn
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	65
cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	66 -- Timer and scheduling --
cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	67
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	68 local timers = indexedbheap.create();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	69
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	70 local function noop() end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	71 local function closetimer(t)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	72 t[1] = 0;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	73 t[2] = noop;
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	74 timers:remove(t.id);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	75 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	76
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	77 local function reschedule(t, time)
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	78 t[1] = time;
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	79 timers:reprioritize(t.id, time);
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	80 end
7573 0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	81
0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	82 -- Add absolute timer
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	83 local function at(time, f)
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	84 local timer = { time, f, close = closetimer, reschedule = reschedule, id = nil };
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	85 timer.id = timers:insert(timer, time);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	86 return timer;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	87 end
7573 0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	88
0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	89 -- Add relative timer
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	90 local function addtimer(timeout, f)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	91 return at(gettime() + timeout, f);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	92 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	93
7573 0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	94 -- Run callbacks of expired timers
0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	95 -- Return time until next timeout
7658 e14a124c4d73 net.server_epoll: Make minimum poll wait time configurable Kim Alvefur <zash@zash.se> parents: 7657 diff changeset	96 local function runtimers(next_delay, min_wait)
7629 0fcde9869cc1 net.server_epoll: Return early in the event of zero timers Kim Alvefur <zash@zash.se> parents: 7628 diff changeset	97 -- Any timers at all?
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	98 local now = gettime();
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	99 local peek = timers:peek();
11262 2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	100 local readd;
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	101 while peek do
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	102
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	103 if peek > now then
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	104 break;
10681 e531273341d3 net.server_epoll: Fix indentation Kim Alvefur <zash@zash.se> parents: 10059 diff changeset	105 end
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	106
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	107 local _, timer, id = timers:pop();
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	108 local ok, ret = pcall(timer[2], now);
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	109 if ok and type(ret) == "number" then
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	110 local next_time = now+ret;
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	111 timer[1] = next_time;
11262 2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	112 -- Delay insertion of timers to be re-added
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	113 -- so they don't get called again this tick
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	114 if readd then
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	115 readd[id] = timer;
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	116 else
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	117 readd = { [id] = timer };
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	118 end
10681 e531273341d3 net.server_epoll: Fix indentation Kim Alvefur <zash@zash.se> parents: 10059 diff changeset	119 end
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	120
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	121 peek = timers:peek();
10681 e531273341d3 net.server_epoll: Fix indentation Kim Alvefur <zash@zash.se> parents: 10059 diff changeset	122 end
11262 2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	123
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	124 if readd then
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	125 for _, timer in pairs(readd) do
11265 957d417eb56e net.server_epoll: Fix off-by-one in 2c559953ad41 Kim Alvefur <zash@zash.se> parents: 11262 diff changeset	126 timers:insert(timer, timer[1]);
11262 2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	127 end
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	128 peek = timers:peek();
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	129 end
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	130
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	131 if peek == nil then
7629 0fcde9869cc1 net.server_epoll: Return early in the event of zero timers Kim Alvefur <zash@zash.se> parents: 7628 diff changeset	132 return next_delay;
11262 2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	133 else
2c559953ad41 net.server_epoll: Ensure timers can't run more than once per tick Kim Alvefur <zash@zash.se> parents: 11063 diff changeset	134 next_delay = peek - now;
7629 0fcde9869cc1 net.server_epoll: Return early in the event of zero timers Kim Alvefur <zash@zash.se> parents: 7628 diff changeset	135 end
0fcde9869cc1 net.server_epoll: Return early in the event of zero timers Kim Alvefur <zash@zash.se> parents: 7628 diff changeset	136
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	137 if next_delay < min_wait then
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	138 return min_wait;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	139 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	140 return next_delay;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	141 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	142
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	143 -- Socket handler interface
cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	144
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	145 local interface = {};
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	146 local interface_mt = { __index = interface };
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	147
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	148 function interface_mt:__tostring()
7585 b64218c816de net.server_epoll: Improve string representation of connections Kim Alvefur <zash@zash.se> parents: 7584 diff changeset	149 if self.sockname and self.peername then
b64218c816de net.server_epoll: Improve string representation of connections Kim Alvefur <zash@zash.se> parents: 7584 diff changeset	150 return ("FD %d (%s, %d, %s, %d)"):format(self:getfd(), self.peername, self.peerport, self.sockname, self.sockport);
b64218c816de net.server_epoll: Improve string representation of connections Kim Alvefur <zash@zash.se> parents: 7584 diff changeset	151 elseif self.sockname or self.peername then
b64218c816de net.server_epoll: Improve string representation of connections Kim Alvefur <zash@zash.se> parents: 7584 diff changeset	152 return ("FD %d (%s, %d)"):format(self:getfd(), self.sockname or self.peername, self.sockport or self.peerport);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	153 end
9321 146dc1e4c7ff net.server_epoll: Simplify minimal string representation Kim Alvefur <zash@zash.se> parents: 9320 diff changeset	154 return ("FD %d"):format(self:getfd());
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	155 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	156
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	157 -- Replace the listener and tell the old one
9387 33e52f727f0f net.connect: Fix passing request table to new listener Kim Alvefur <zash@zash.se> parents: 9385 diff changeset	158 function interface:setlistener(listeners, data)
7604 36408ef6c8c9 net.server_epoll: Call ondetach when listeners are replaced Kim Alvefur <zash@zash.se> parents: 7603 diff changeset	159 self:on("detach");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	160 self.listeners = listeners;
9387 33e52f727f0f net.connect: Fix passing request table to new listener Kim Alvefur <zash@zash.se> parents: 9385 diff changeset	161 self:on("attach", data);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	162 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	163
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	164 -- Call a listener callback
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	165 function interface:on(what, ...)
8006 be374a5778f3 net.server_epoll: Log if there's a connection without listeners Kim Alvefur <zash@zash.se> parents: 7910 diff changeset	166 if not self.listeners then
be374a5778f3 net.server_epoll: Log if there's a connection without listeners Kim Alvefur <zash@zash.se> parents: 7910 diff changeset	167 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: 7910 diff changeset	168 return;
be374a5778f3 net.server_epoll: Log if there's a connection without listeners Kim Alvefur <zash@zash.se> parents: 7910 diff changeset	169 end
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	170 local listener = self.listeners["on"..what];
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	171 if not listener then
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	172 -- 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: 7574 diff changeset	173 return;
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	174 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	175 local ok, err = pcall(listener, self, ...);
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	176 if not ok then
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	177 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: 7574 diff changeset	178 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	179 return err;
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	180 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	181
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	182 -- Return the file descriptor number
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	183 function interface:getfd()
7586 846fdbbc62ba net.server_epoll: Return something as FD when no connection exists Kim Alvefur <zash@zash.se> parents: 7585 diff changeset	184 if self.conn then
846fdbbc62ba net.server_epoll: Return something as FD when no connection exists Kim Alvefur <zash@zash.se> parents: 7585 diff changeset	185 return self.conn:getfd();
846fdbbc62ba net.server_epoll: Return something as FD when no connection exists Kim Alvefur <zash@zash.se> parents: 7585 diff changeset	186 end
7737 f93b3083b46b net.server_epoll: Use _SOCKETINVALID from LuaSocket Kim Alvefur <zash@zash.se> parents: 7707 diff changeset	187 return _SOCKETINVALID;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	188 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	189
8271 c09deab9989e net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console) Kim Alvefur <zash@zash.se> parents: 8091 diff changeset	190 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: 8091 diff changeset	191 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: 8091 diff changeset	192 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: 8091 diff changeset	193
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	194 -- Get IP address
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	195 function interface:ip()
7584 98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	196 return self.peername or self.sockname;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	197 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	198
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	199 -- Get a port number, doesn't matter which
7584 98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	200 function interface:port()
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	201 return self.sockport or self.peerport;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	202 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	203
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	204 -- Get local port number
7584 98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	205 function interface:clientport()
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	206 return self.sockport;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	207 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	208
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	209 -- Get remote port
7584 98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	210 function interface:serverport()
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	211 if self.sockport then
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	212 return self.sockport;
8271 c09deab9989e net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console) Kim Alvefur <zash@zash.se> parents: 8091 diff changeset	213 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: 8091 diff changeset	214 self._server:port();
7584 98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	215 end
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	216 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	217
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	218 -- Return underlying socket
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	219 function interface:socket()
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	220 return self.conn;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	221 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	222
7910 91db637be237 net.server_epoll: Add method for changing read pattern Kim Alvefur <zash@zash.se> parents: 7817 diff changeset	223 function interface:set_mode(new_mode)
9310 2d2d4c293efa net.server_epoll: Rename pattern to read_size Kim Alvefur <zash@zash.se> parents: 9309 diff changeset	224 self.read_size = new_mode;
7910 91db637be237 net.server_epoll: Add method for changing read pattern Kim Alvefur <zash@zash.se> parents: 7817 diff changeset	225 end
91db637be237 net.server_epoll: Add method for changing read pattern Kim Alvefur <zash@zash.se> parents: 7817 diff changeset	226
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	227 function interface:setoption(k, v)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	228 -- LuaSec doesn't expose setoption :(
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	229 if self.conn.setoption then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	230 self.conn:setoption(k, v);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	231 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	232 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	233
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	234 -- Timeout for detecting dead or idle sockets
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	235 function interface:setreadtimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	236 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	237 if self._readtimeout then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	238 self._readtimeout:close();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	239 self._readtimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	240 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	241 return
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	242 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	243 t = t or cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	244 if self._readtimeout then
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	245 self._readtimeout:reschedule(gettime() + t);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	246 else
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	247 self._readtimeout = addtimer(t, function ()
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	248 if self:on("readtimeout") then
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	249 return cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	250 else
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	251 self:on("disconnect", "read timeout");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	252 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	253 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	254 end);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	255 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	256 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	257
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	258 -- Timeout for detecting dead sockets
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	259 function interface:setwritetimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	260 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	261 if self._writetimeout then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	262 self._writetimeout:close();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	263 self._writetimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	264 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	265 return
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	266 end
9821 7712488c8e49 net.server_epoll: Use send_timeout for write timout like other implementations (fixes #1316) Kim Alvefur <zash@zash.se> parents: 9665 diff changeset	267 t = t or cfg.send_timeout;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	268 if self._writetimeout then
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	269 self._writetimeout:reschedule(gettime() + t);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	270 else
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	271 self._writetimeout = addtimer(t, function ()
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	272 self:on("disconnect", "write timeout");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	273 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	274 end);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	275 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	276 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	277
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	278 function interface:add(r, w)
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	279 local fd = self:getfd();
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	280 if fd < 0 then
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	281 return nil, "invalid fd";
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	282 end
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	283 if r == nil then r = self._wantread; end
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	284 if w == nil then w = self._wantwrite; end
9384 5c8006ce8cb8 net.server_epoll: Include errno in log messages Kim Alvefur <zash@zash.se> parents: 9383 diff changeset	285 local ok, err, errno = poll:add(fd, r, w);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	286 if not ok then
9506 ae6636052be9 net.server_epoll: Graceful handling of registering already added socket Kim Alvefur <zash@zash.se> parents: 9499 diff changeset	287 if errno == EEXIST then
ae6636052be9 net.server_epoll: Graceful handling of registering already added socket Kim Alvefur <zash@zash.se> parents: 9499 diff changeset	288 log("debug", "%s already registered!", self);
ae6636052be9 net.server_epoll: Graceful handling of registering already added socket Kim Alvefur <zash@zash.se> parents: 9499 diff changeset	289 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: 9499 diff changeset	290 end
9441 116a9d0a295c net.server_epoll: Pass error number to logging Kim Alvefur <zash@zash.se> parents: 9439 diff changeset	291 log("error", "Could not register %s: %s(%d)", self, err, errno);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	292 return ok, err;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	293 end
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	294 self._wantread, self._wantwrite = r, w;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	295 fds[fd] = self;
9381 80be543a3785 net.server_epoll: Watching instead of registering, seems more understandable Kim Alvefur <zash@zash.se> parents: 9321 diff changeset	296 log("debug", "Watching %s", self);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	297 return true;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	298 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	299
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	300 function interface:set(r, w)
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	301 local fd = self:getfd();
7602 a4d5eec36a17 net.server_epoll: Prevent invalid FDs from being added to epoll Kim Alvefur <zash@zash.se> parents: 7601 diff changeset	302 if fd < 0 then
a4d5eec36a17 net.server_epoll: Prevent invalid FDs from being added to epoll Kim Alvefur <zash@zash.se> parents: 7601 diff changeset	303 return nil, "invalid fd";
a4d5eec36a17 net.server_epoll: Prevent invalid FDs from being added to epoll Kim Alvefur <zash@zash.se> parents: 7601 diff changeset	304 end
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	305 if r == nil then r = self._wantread; end
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	306 if w == nil then w = self._wantwrite; end
9384 5c8006ce8cb8 net.server_epoll: Include errno in log messages Kim Alvefur <zash@zash.se> parents: 9383 diff changeset	307 local ok, err, errno = poll:set(fd, r, w);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	308 if not ok then
9384 5c8006ce8cb8 net.server_epoll: Include errno in log messages Kim Alvefur <zash@zash.se> parents: 9383 diff changeset	309 log("error", "Could not update poller state %s: %s(%d)", self, err, errno);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	310 return ok, err;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	311 end
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	312 self._wantread, self._wantwrite = r, w;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	313 return true;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	314 end
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	315
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	316 function interface:del()
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	317 local fd = self:getfd();
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	318 if fd < 0 then
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	319 return nil, "invalid fd";
7625 6afafd6d4ef0 net.server_epoll: Move management of fd registry to :setflags Kim Alvefur <zash@zash.se> parents: 7624 diff changeset	320 end
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	321 if fds[fd] ~= self then
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	322 return nil, "unregistered fd";
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	323 end
9384 5c8006ce8cb8 net.server_epoll: Include errno in log messages Kim Alvefur <zash@zash.se> parents: 9383 diff changeset	324 local ok, err, errno = poll:del(fd);
9507 33d21f020b66 net.server_epoll: Ignore ENOENT when deregitering socket Kim Alvefur <zash@zash.se> parents: 9506 diff changeset	325 if not ok and errno ~= ENOENT then
9384 5c8006ce8cb8 net.server_epoll: Include errno in log messages Kim Alvefur <zash@zash.se> parents: 9383 diff changeset	326 log("error", "Could not unregister %s: %s(%d)", self, err, errno);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	327 return ok, err;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	328 end
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	329 self._wantread, self._wantwrite = nil, nil;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	330 fds[fd] = nil;
9381 80be543a3785 net.server_epoll: Watching instead of registering, seems more understandable Kim Alvefur <zash@zash.se> parents: 9321 diff changeset	331 log("debug", "Unwatched %s", self);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	332 return true;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	333 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	334
9320 8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	335 function interface:setflags(r, w)
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	336 if not(self._wantread or self._wantwrite) then
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	337 if not(r or w) then
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	338 return true; -- no change
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	339 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	340 return self:add(r, w);
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	341 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	342 if not(r or w) then
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	343 return self:del();
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	344 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	345 return self:set(r, w);
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	346 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	347
7573 0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	348 -- Called when socket is readable
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	349 function interface:onreadable()
9311 9b0604fe01f1 net.server_epoll: Make read_size a server-wide option Kim Alvefur <zash@zash.se> parents: 9310 diff changeset	350 local data, err, partial = self.conn:receive(self.read_size or cfg.read_size);
7687 ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	351 if data then
8540 ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write Kim Alvefur <zash@zash.se> parents: 8507 diff changeset	352 self:onconnect();
7687 ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	353 self:on("incoming", data);
ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	354 else
9931 485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	355 if err == "wantread" then
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	356 self:set(true, nil);
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	357 err = "timeout";
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	358 elseif err == "wantwrite" then
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	359 self:set(nil, true);
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	360 err = "timeout";
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	361 end
8540 ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write Kim Alvefur <zash@zash.se> parents: 8507 diff changeset	362 if partial and partial ~= "" then
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write Kim Alvefur <zash@zash.se> parents: 8507 diff changeset	363 self:onconnect();
7687 ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	364 self:on("incoming", partial, err);
ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	365 end
9931 485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	366 if err ~= "timeout" then
7687 ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	367 self:on("disconnect", err);
ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	368 self:destroy()
ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	369 return;
ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	370 end
ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	371 end
7691 a5ad858f3a93 net.server_epoll: Check that connection still exists after callback, fixes traceback when closed Kim Alvefur <zash@zash.se> parents: 7687 diff changeset	372 if not self.conn then return; end
9932 df73ca804719 net.server_epoll: Skip delayed continuation read on paused connections Kim Alvefur <zash@zash.se> parents: 9931 diff changeset	373 if self._wantread and self.conn:dirty() then
7606 f40f1d9b7872 net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns Kim Alvefur <zash@zash.se> parents: 7604 diff changeset	374 self:setreadtimeout(false);
f40f1d9b7872 net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns Kim Alvefur <zash@zash.se> parents: 7604 diff changeset	375 self:pausefor(cfg.read_retry_delay);
f40f1d9b7872 net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns Kim Alvefur <zash@zash.se> parents: 7604 diff changeset	376 else
f40f1d9b7872 net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns Kim Alvefur <zash@zash.se> parents: 7604 diff changeset	377 self:setreadtimeout();
f40f1d9b7872 net.server_epoll: Set timers before calling onincoming, fixes traceback if connection is closed before onincoming returns Kim Alvefur <zash@zash.se> parents: 7604 diff changeset	378 end
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	379 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	380
7573 0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	381 -- Called when socket is writable
8542 8c39ec8e6018 net.server_epoll: Spelling writeable -> writable Kim Alvefur <zash@zash.se> parents: 8541 diff changeset	382 function interface:onwritable()
8552 1fcefc16a55d server_epoll: Onconnect should happen before first attempt to write to socket Kim Alvefur <zash@zash.se> parents: 8542 diff changeset	383 self:onconnect();
8776 e7d4344e0fea net.server_epoll: Handle connection being closed and destroyed in onconnect callback Kim Alvefur <zash@zash.se> parents: 8555 diff changeset	384 if not self.conn then return; end -- could have been closed in onconnect
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	385 local buffer = self.writebuffer;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	386 local data = t_concat(buffer);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	387 local ok, err, partial = self.conn:send(data);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	388 if ok then
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	389 self:set(nil, false);
8541 8186114329d6 net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless Kim Alvefur <zash@zash.se> parents: 8540 diff changeset	390 for i = #buffer, 1, -1 do
8186114329d6 net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless Kim Alvefur <zash@zash.se> parents: 8540 diff changeset	391 buffer[i] = nil;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	392 end
8541 8186114329d6 net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless Kim Alvefur <zash@zash.se> parents: 8540 diff changeset	393 self:setwritetimeout(false);
8186114329d6 net.server_epoll: Remove special casing for having sent an empty write buffer because the wantwrite flag must be unset regardless Kim Alvefur <zash@zash.se> parents: 8540 diff changeset	394 self:ondrain(); -- Be aware of writes in ondrain
7589 125e4f2e0b65 net.server_epoll: Return early on successful write Kim Alvefur <zash@zash.se> parents: 7588 diff changeset	395 return;
8540 ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write Kim Alvefur <zash@zash.se> parents: 8507 diff changeset	396 elseif partial then
7591 138f16eb39fb net.server_epoll: Improve syntax Kim Alvefur <zash@zash.se> parents: 7590 diff changeset	397 buffer[1] = data:sub(partial+1);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	398 for i = #buffer, 2, -1 do
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	399 buffer[i] = nil;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	400 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	401 self:setwritetimeout();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	402 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	403 if err == "wantwrite" or err == "timeout" then
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	404 self:set(nil, true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	405 elseif err == "wantread" then
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	406 self:set(true, nil);
7687 ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	407 elseif err ~= "timeout" then
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	408 self:on("disconnect", err);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	409 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	410 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	411 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	412
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	413 -- The write buffer has been successfully emptied
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	414 function interface:ondrain()
8008 62ed3795be13 net.server_epoll: Attempt to simplify state control Kim Alvefur <zash@zash.se> parents: 8007 diff changeset	415 return self:on("drain");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	416 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	417
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	418 -- Add data to write buffer and set flag for wanting to write
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	419 function interface:write(data)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	420 local buffer = self.writebuffer;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	421 if buffer then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	422 t_insert(buffer, data);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	423 else
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	424 self.writebuffer = { data };
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	425 end
7550 8c2bc1b6d84a net.server_epoll: Remove last traces of code for bypassing buffering on writable sockets Kim Alvefur <zash@zash.se> parents: 7547 diff changeset	426 self:setwritetimeout();
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	427 self:set(nil, true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	428 return #data;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	429 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	430 interface.send = interface.write;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	431
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	432 -- Close, possibly after writing is done
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	433 function interface:close()
8007 67f8954875a4 net.server_epoll: Check write buffer for remaining data to write when closing Kim Alvefur <zash@zash.se> parents: 8006 diff changeset	434 if self.writebuffer and self.writebuffer[1] then
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	435 self:set(false, true); -- Flush final buffer contents
7593 0266434d7df1 net.server_epoll: Prevent further writing after closing a socket Kim Alvefur <zash@zash.se> parents: 7592 diff changeset	436 self.write, self.send = noop, noop; -- No more writing
9301 2f9687c09e6e net.server_epoll: Remove coercion of connections to strings Kim Alvefur <zash@zash.se> parents: 9300 diff changeset	437 log("debug", "Close %s after writing", self);
8008 62ed3795be13 net.server_epoll: Attempt to simplify state control Kim Alvefur <zash@zash.se> parents: 8007 diff changeset	438 self.ondrain = interface.close;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	439 else
9301 2f9687c09e6e net.server_epoll: Remove coercion of connections to strings Kim Alvefur <zash@zash.se> parents: 9300 diff changeset	440 log("debug", "Close %s now", self);
7593 0266434d7df1 net.server_epoll: Prevent further writing after closing a socket Kim Alvefur <zash@zash.se> parents: 7592 diff changeset	441 self.write, self.send = noop, noop;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	442 self.close = noop;
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	443 self:on("disconnect");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	444 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	445 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	446 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	447
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	448 function interface:destroy()
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	449 self:del();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	450 self:setwritetimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	451 self:setreadtimeout(false);
7594 5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	452 self.onreadable = noop;
8542 8c39ec8e6018 net.server_epoll: Spelling writeable -> writable Kim Alvefur <zash@zash.se> parents: 8541 diff changeset	453 self.onwritable = noop;
7594 5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	454 self.destroy = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	455 self.close = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	456 self.on = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	457 self.conn:close();
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	458 self.conn = nil;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	459 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	460
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	461 function interface:ssl()
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	462 return self._tls;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	463 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	464
9300 1df8832bd29e net.server_epoll: Rename all variables holding TLS contexts for consistency Kim Alvefur <zash@zash.se> parents: 8983 diff changeset	465 function interface:starttls(tls_ctx)
1df8832bd29e net.server_epoll: Rename all variables holding TLS contexts for consistency Kim Alvefur <zash@zash.se> parents: 8983 diff changeset	466 if tls_ctx then self.tls_ctx = tls_ctx; end
9430 412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	467 self.starttls = false;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	468 if self.writebuffer and self.writebuffer[1] then
9301 2f9687c09e6e net.server_epoll: Remove coercion of connections to strings Kim Alvefur <zash@zash.se> parents: 9300 diff changeset	469 log("debug", "Start TLS on %s after write", self);
8008 62ed3795be13 net.server_epoll: Attempt to simplify state control Kim Alvefur <zash@zash.se> parents: 8007 diff changeset	470 self.ondrain = interface.starttls;
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	471 self:set(nil, true); -- make sure wantwrite is set
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	472 else
9430 412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	473 if self.ondrain == interface.starttls then
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	474 self.ondrain = nil;
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	475 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	476 self.onwritable = interface.tlshandskake;
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	477 self.onreadable = interface.tlshandskake;
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	478 self:set(true, true);
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	479 log("debug", "Prepare to start TLS on %s", self);
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	480 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	481 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	482
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	483 function interface:tlshandskake()
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	484 self:setwritetimeout(false);
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	485 self:setreadtimeout(false);
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	486 if not self._tls then
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	487 self._tls = true;
9301 2f9687c09e6e net.server_epoll: Remove coercion of connections to strings Kim Alvefur <zash@zash.se> parents: 9300 diff changeset	488 log("debug", "Start TLS on %s now", self);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	489 self:del();
9431 c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap Kim Alvefur <zash@zash.se> parents: 9430 diff changeset	490 local ok, conn, err = pcall(luasec.wrap, self.conn, self.tls_ctx);
c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap Kim Alvefur <zash@zash.se> parents: 9430 diff changeset	491 if not ok then
c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap Kim Alvefur <zash@zash.se> parents: 9430 diff changeset	492 conn, err = ok, conn;
9573 57637247356d net.server_epoll: Shuffle variables earlier to improve readability Kim Alvefur <zash@zash.se> parents: 9508 diff changeset	493 log("error", "Failed to initialize TLS: %s", err);
9431 c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap Kim Alvefur <zash@zash.se> parents: 9430 diff changeset	494 end
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	495 if not conn then
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	496 self:on("disconnect", err);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	497 self:destroy();
7595 166b2e0766a4 net.server_epoll: Return status from starttls method Kim Alvefur <zash@zash.se> parents: 7594 diff changeset	498 return conn, err;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	499 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	500 conn:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	501 self.conn = conn;
11063 30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	502 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: 10681 diff changeset	503 conn:sni(self.servername);
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	504 end
9430 412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	505 self:on("starttls");
8008 62ed3795be13 net.server_epoll: Attempt to simplify state control Kim Alvefur <zash@zash.se> parents: 8007 diff changeset	506 self.ondrain = nil;
8542 8c39ec8e6018 net.server_epoll: Spelling writeable -> writable Kim Alvefur <zash@zash.se> parents: 8541 diff changeset	507 self.onwritable = interface.tlshandskake;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	508 self.onreadable = interface.tlshandskake;
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	509 return self:init();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	510 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	511 local ok, err = self.conn:dohandshake();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	512 if ok then
9301 2f9687c09e6e net.server_epoll: Remove coercion of connections to strings Kim Alvefur <zash@zash.se> parents: 9300 diff changeset	513 log("debug", "TLS handshake on %s complete", self);
8542 8c39ec8e6018 net.server_epoll: Spelling writeable -> writable Kim Alvefur <zash@zash.se> parents: 8541 diff changeset	514 self.onwritable = nil;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	515 self.onreadable = nil;
8008 62ed3795be13 net.server_epoll: Attempt to simplify state control Kim Alvefur <zash@zash.se> parents: 8007 diff changeset	516 self:on("status", "ssl-handshake-complete");
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	517 self:setwritetimeout();
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	518 self:set(true, true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	519 elseif err == "wantread" then
9301 2f9687c09e6e net.server_epoll: Remove coercion of connections to strings Kim Alvefur <zash@zash.se> parents: 9300 diff changeset	520 log("debug", "TLS handshake on %s to wait until readable", self);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	521 self:set(true, false);
9822 13c2707d2417 net.server_epoll: Rename handshake_timeout to ssl_handshake_timeout (fixes #1319) Kim Alvefur <zash@zash.se> parents: 9821 diff changeset	522 self:setreadtimeout(cfg.ssl_handshake_timeout);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	523 elseif err == "wantwrite" then
9301 2f9687c09e6e net.server_epoll: Remove coercion of connections to strings Kim Alvefur <zash@zash.se> parents: 9300 diff changeset	524 log("debug", "TLS handshake on %s to wait until writable", self);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	525 self:set(false, true);
9822 13c2707d2417 net.server_epoll: Rename handshake_timeout to ssl_handshake_timeout (fixes #1319) Kim Alvefur <zash@zash.se> parents: 9821 diff changeset	526 self:setwritetimeout(cfg.ssl_handshake_timeout);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	527 else
9301 2f9687c09e6e net.server_epoll: Remove coercion of connections to strings Kim Alvefur <zash@zash.se> parents: 9300 diff changeset	528 log("debug", "TLS handshake error on %s: %s", self, err);
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	529 self:on("disconnect", err);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	530 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	531 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	532 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	533
11063 30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	534 local function wrapsocket(client, server, read_size, listeners, tls_ctx, extra) -- luasocket object -> interface object
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	535 client:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	536 local conn = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	537 conn = client;
8271 c09deab9989e net.server_epoll: Add interface:server() method to match server_event (fixes c2s:show traceback in telnet console) Kim Alvefur <zash@zash.se> parents: 8091 diff changeset	538 _server = server;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	539 created = gettime();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	540 listeners = listeners;
9310 2d2d4c293efa net.server_epoll: Rename pattern to read_size Kim Alvefur <zash@zash.se> parents: 9309 diff changeset	541 read_size = read_size or (server and server.read_size);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	542 writebuffer = {};
9432 2e3f66475cc8 net.server_epoll: Inherit Direct TLS flag from servers to their clients Kim Alvefur <zash@zash.se> parents: 9431 diff changeset	543 tls_ctx = tls_ctx or (server and server.tls_ctx);
2e3f66475cc8 net.server_epoll: Inherit Direct TLS flag from servers to their clients Kim Alvefur <zash@zash.se> parents: 9431 diff changeset	544 tls_direct = server and server.tls_direct;
11063 30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	545 extra = extra;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	546 }, interface_mt);
7591 138f16eb39fb net.server_epoll: Improve syntax Kim Alvefur <zash@zash.se> parents: 7590 diff changeset	547
11063 30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	548 if extra then
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	549 if extra.servername then
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	550 conn.servername = extra.servername;
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	551 end
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	552 end
30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	553
9383 3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	554 conn:updatenames();
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	555 return conn;
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	556 end
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	557
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	558 function interface:updatenames()
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	559 local conn = self.conn;
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	560 local ok, peername, peerport = pcall(conn.getpeername, conn);
9382 31a2be28729c net.server_epoll: Protect from errors in get{peer,sock}name Kim Alvefur <zash@zash.se> parents: 9381 diff changeset	561 if ok then
9383 3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	562 self.peername, self.peerport = peername, peerport;
7584 98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	563 end
9383 3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	564 local ok, sockname, sockport = pcall(conn.getsockname, conn);
9382 31a2be28729c net.server_epoll: Protect from errors in get{peer,sock}name Kim Alvefur <zash@zash.se> parents: 9381 diff changeset	565 if ok then
9383 3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	566 self.sockname, self.sockport = sockname, sockport;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	567 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	568 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	569
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	570 -- A server interface has new incoming connections waiting
cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	571 -- This replaces the onreadable callback
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	572 function interface:onacceptable()
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	573 local conn, err = self.conn:accept();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	574 if not conn then
7574 97b8506118a9 net.server_epoll: Fix missing quotes in logging call Kim Alvefur <zash@zash.se> parents: 7573 diff changeset	575 log("debug", "Error accepting new client: %s, server will be paused for %ds", err, cfg.accept_retry_interval);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	576 self:pausefor(cfg.accept_retry_interval);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	577 return;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	578 end
9309 33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	579 local client = wrapsocket(conn, self, nil, self.listeners);
7592 10d2f008321d net.server_epoll: Additional logging of connects and TLS Kim Alvefur <zash@zash.se> parents: 7591 diff changeset	580 log("debug", "New connection %s", tostring(client));
9430 412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	581 client:init();
9309 33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	582 if self.tls_direct then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	583 client:starttls(self.tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	584 end
7597 cd34aa6b1632 net.server_epoll: Refactor to use common initialization Kim Alvefur <zash@zash.se> parents: 7596 diff changeset	585 end
cd34aa6b1632 net.server_epoll: Refactor to use common initialization Kim Alvefur <zash@zash.se> parents: 7596 diff changeset	586
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	587 -- Initialization
7597 cd34aa6b1632 net.server_epoll: Refactor to use common initialization Kim Alvefur <zash@zash.se> parents: 7596 diff changeset	588 function interface:init()
9306 35c128b42509 net.server_epoll: Factor Direct TLS handling out of connection initialization Kim Alvefur <zash@zash.se> parents: 9301 diff changeset	589 self:setwritetimeout();
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	590 return self:add(true, true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	591 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	592
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	593 function interface:pause()
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	594 return self:set(false);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	595 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	596
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	597 function interface:resume()
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	598 return self:set(true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	599 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	600
7624 23fb3a084956 net.server_epoll: Comments Kim Alvefur <zash@zash.se> parents: 7623 diff changeset	601 -- Pause connection for some time
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	602 function interface:pausefor(t)
7559 b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer Kim Alvefur <zash@zash.se> parents: 7558 diff changeset	603 if self._pausefor then
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer Kim Alvefur <zash@zash.se> parents: 7558 diff changeset	604 self._pausefor:close();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	605 end
7559 b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer Kim Alvefur <zash@zash.se> parents: 7558 diff changeset	606 if t == false then return; end
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	607 self:set(false);
7559 b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer Kim Alvefur <zash@zash.se> parents: 7558 diff changeset	608 self._pausefor = addtimer(t, function ()
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer Kim Alvefur <zash@zash.se> parents: 7558 diff changeset	609 self._pausefor = nil;
9994 524b8cd76780 net.server_epoll: Restore wantread flag after pause (fixes #1354) Kim Alvefur <zash@zash.se> parents: 9932 diff changeset	610 self:set(true);
7707 7bb1cc7278b6 net.server_epoll: Make sure socket exists before checking if there is buffered data in it Kim Alvefur <zash@zash.se> parents: 7691 diff changeset	611 if self.conn and self.conn:dirty() then
7560 785fa1138293 net.server_epoll: Continue reading after a slight delay if there is buffered data after a read Kim Alvefur <zash@zash.se> parents: 7559 diff changeset	612 self:onreadable();
785fa1138293 net.server_epoll: Continue reading after a slight delay if there is buffered data after a read Kim Alvefur <zash@zash.se> parents: 7559 diff changeset	613 end
7559 b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer Kim Alvefur <zash@zash.se> parents: 7558 diff changeset	614 end);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	615 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	616
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	617 -- Connected!
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	618 function interface:onconnect()
8778 0364454bdd77 net.server_epoll: Guard against connection missing the getpeername method (thanks LuaSec) Kim Alvefur <zash@zash.se> parents: 8777 diff changeset	619 if self.conn and not self.peername and self.conn.getpeername then
8777 2bfe963f3041 net.server_epoll: Retry retrieving peername once connected Kim Alvefur <zash@zash.se> parents: 8776 diff changeset	620 self.peername, self.peerport = self.conn:getpeername();
2bfe963f3041 net.server_epoll: Retry retrieving peername once connected Kim Alvefur <zash@zash.se> parents: 8776 diff changeset	621 end
8540 ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write Kim Alvefur <zash@zash.se> parents: 8507 diff changeset	622 self.onconnect = noop;
ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write Kim Alvefur <zash@zash.se> parents: 8507 diff changeset	623 self:on("connect");
8506 174fd716c9fa server_epoll: Rework how socket readyness is detected Kim Alvefur <zash@zash.se> parents: 8271 diff changeset	624 end
174fd716c9fa server_epoll: Rework how socket readyness is detected Kim Alvefur <zash@zash.se> parents: 8271 diff changeset	625
9310 2d2d4c293efa net.server_epoll: Rename pattern to read_size Kim Alvefur <zash@zash.se> parents: 9309 diff changeset	626 local function addserver(addr, port, listeners, read_size, tls_ctx)
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	627 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	628 if not conn then return conn, err; end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	629 conn:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	630 local server = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	631 conn = conn;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	632 created = gettime();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	633 listeners = listeners;
9310 2d2d4c293efa net.server_epoll: Rename pattern to read_size Kim Alvefur <zash@zash.se> parents: 9309 diff changeset	634 read_size = read_size;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	635 onreadable = interface.onacceptable;
9300 1df8832bd29e net.server_epoll: Rename all variables holding TLS contexts for consistency Kim Alvefur <zash@zash.se> parents: 8983 diff changeset	636 tls_ctx = tls_ctx;
9309 33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	637 tls_direct = tls_ctx and true or false;
7584 98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	638 sockname = addr;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	639 sockport = port;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	640 }, interface_mt);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	641 server:add(true, false);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	642 return server;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	643 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	644
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	645 -- COMPAT
11063 30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	646 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: 10681 diff changeset	647 local client = wrapsocket(conn, nil, read_size, listeners, tls_ctx, extra);
7597 cd34aa6b1632 net.server_epoll: Refactor to use common initialization Kim Alvefur <zash@zash.se> parents: 7596 diff changeset	648 if not client.peername then
cd34aa6b1632 net.server_epoll: Refactor to use common initialization Kim Alvefur <zash@zash.se> parents: 7596 diff changeset	649 client.peername, client.peerport = addr, port;
cd34aa6b1632 net.server_epoll: Refactor to use common initialization Kim Alvefur <zash@zash.se> parents: 7596 diff changeset	650 end
9473 5fdda751333a net.server: Require IP address as argument to addclient (no DNS names) Kim Alvefur <zash@zash.se> parents: 9445 diff changeset	651 local ok, err = client:init();
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names) Kim Alvefur <zash@zash.se> parents: 9445 diff changeset	652 if not ok then return ok, err; end
9309 33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	653 if tls_ctx then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	654 client:starttls(tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	655 end
7551 838212918f11 net.server_epoll: Rename arguments and varibles for consistensy Kim Alvefur <zash@zash.se> parents: 7550 diff changeset	656 return client;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	657 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	658
7800 dadf9ba290c5 server_epoll: Add some comments describing some functions Kim Alvefur <zash@zash.se> parents: 7799 diff changeset	659 -- New outgoing TCP connection
11063 30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	660 local function addclient(addr, port, listeners, read_size, tls_ctx, typ, extra)
9497 183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	661 local create;
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	662 if not typ then
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	663 local n = inet_pton(addr);
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	664 if not n then return nil, "invalid-ip"; end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	665 if #n == 16 then
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	666 typ = "tcp6";
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	667 else
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	668 typ = "tcp4";
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	669 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	670 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	671 if typ then
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	672 create = socket[typ];
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	673 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	674 if type(create) ~= "function" then
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	675 return nil, "invalid socket type";
9473 5fdda751333a net.server: Require IP address as argument to addclient (no DNS names) Kim Alvefur <zash@zash.se> parents: 9445 diff changeset	676 end
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names) Kim Alvefur <zash@zash.se> parents: 9445 diff changeset	677 local conn, err = create();
9498 cc593002f2e2 net.server_epoll: Check return conditions of early socket setup Kim Alvefur <zash@zash.se> parents: 9497 diff changeset	678 local ok, err = conn:settimeout(0);
cc593002f2e2 net.server_epoll: Check return conditions of early socket setup Kim Alvefur <zash@zash.se> parents: 9497 diff changeset	679 if not ok then return ok, err; end
9499 36e379f058c8 net.server: Swich method for connecting sockets with remotes Kim Alvefur <zash@zash.se> parents: 9498 diff changeset	680 local ok, err = conn:setpeername(addr, port);
9498 cc593002f2e2 net.server_epoll: Check return conditions of early socket setup Kim Alvefur <zash@zash.se> parents: 9497 diff changeset	681 if not ok and err ~= "timeout" then return ok, err; end
11063 30d3f6f85eb8 net.server: Backport client parts of SNI support from trunk (#409) Kim Alvefur <zash@zash.se> parents: 10681 diff changeset	682 local client = wrapsocket(conn, nil, read_size, listeners, tls_ctx, extra)
9473 5fdda751333a net.server: Require IP address as argument to addclient (no DNS names) Kim Alvefur <zash@zash.se> parents: 9445 diff changeset	683 local ok, err = client:init();
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names) Kim Alvefur <zash@zash.se> parents: 9445 diff changeset	684 if not ok then return ok, err; end
9309 33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	685 if tls_ctx then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	686 client:starttls(tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	687 end
7556 1f777b38b66c net.server_epoll: Make addclient conform to API (expected by net.http.request) Kim Alvefur <zash@zash.se> parents: 7555 diff changeset	688 return client, conn;
7553 4f3e4a092348 net.server_epoll: Make addclient use wrapclient Kim Alvefur <zash@zash.se> parents: 7552 diff changeset	689 end
4f3e4a092348 net.server_epoll: Make addclient use wrapclient Kim Alvefur <zash@zash.se> parents: 7552 diff changeset	690
9319 7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API Kim Alvefur <zash@zash.se> parents: 9314 diff changeset	691 local function watchfd(fd, onreadable, onwritable)
8781 53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	692 local conn = setmetatable({
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	693 conn = fd;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	694 onreadable = onreadable;
9319 7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API Kim Alvefur <zash@zash.se> parents: 9314 diff changeset	695 onwritable = onwritable;
8781 53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	696 close = function (self)
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	697 self:del();
8781 53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	698 end
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	699 }, interface_mt);
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	700 if type(fd) == "number" then
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	701 conn.getfd = function ()
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	702 return fd;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	703 end;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	704 -- Otherwise it'll need to be something LuaSocket-compatible
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	705 end
9319 7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API Kim Alvefur <zash@zash.se> parents: 9314 diff changeset	706 conn:add(onreadable, onwritable);
8781 53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	707 return conn;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	708 end;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	709
7800 dadf9ba290c5 server_epoll: Add some comments describing some functions Kim Alvefur <zash@zash.se> parents: 7799 diff changeset	710 -- Dump all data from one connection into another
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	711 local function link(from, to)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	712 from.listeners = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	713 onincoming = function (_, data)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	714 from:pause();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	715 to:write(data);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	716 end,
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	717 }, {__index=from.listeners});
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	718 to.listeners = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	719 ondrain = function ()
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	720 from:resume();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	721 end,
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	722 }, {__index=to.listeners});
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	723 from:set(true, nil);
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	724 to:set(nil, true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	725 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	726
9438 916bee81eb7e net.server_epoll: Make :set_send a noop, should fix net.adns Kim Alvefur <zash@zash.se> parents: 9432 diff changeset	727 -- COMPAT
916bee81eb7e net.server_epoll: Make :set_send a noop, should fix net.adns Kim Alvefur <zash@zash.se> parents: 9432 diff changeset	728 -- net.adns calls this but then replaces :send so this can be a noop
9439 988392a56495 net.server_epoll: Fix luacheck annotation Kim Alvefur <zash@zash.se> parents: 9438 diff changeset	729 function interface:set_send(new_send) -- luacheck: ignore 212
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	730 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	731
7800 dadf9ba290c5 server_epoll: Add some comments describing some functions Kim Alvefur <zash@zash.se> parents: 7799 diff changeset	732 -- Close all connections and servers
7794 424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers Kim Alvefur <zash@zash.se> parents: 7737 diff changeset	733 local function closeall()
7799 93643a61858a server_epoll: Ignore unused loop variable [luacheck] Kim Alvefur <zash@zash.se> parents: 7797 diff changeset	734 for fd, conn in pairs(fds) do -- luacheck: ignore 213/fd
7794 424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers Kim Alvefur <zash@zash.se> parents: 7737 diff changeset	735 conn:close();
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers Kim Alvefur <zash@zash.se> parents: 7737 diff changeset	736 end
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers Kim Alvefur <zash@zash.se> parents: 7737 diff changeset	737 end
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers Kim Alvefur <zash@zash.se> parents: 7737 diff changeset	738
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	739 local quitting = nil;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	740
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	741 -- Signal main loop about shutdown via above upvalue
7796 12609aee3b3b server_epoll: Handle the argument to setquitting like server_select Kim Alvefur <zash@zash.se> parents: 7795 diff changeset	742 local function setquitting(quit)
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select Kim Alvefur <zash@zash.se> parents: 7795 diff changeset	743 if quit then
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select Kim Alvefur <zash@zash.se> parents: 7795 diff changeset	744 quitting = "quitting";
7797 d0c32d86724f server_epoll: Flush and close all connections before quitting mainloop so no data is lost in buffers Kim Alvefur <zash@zash.se> parents: 7796 diff changeset	745 closeall();
7796 12609aee3b3b server_epoll: Handle the argument to setquitting like server_select Kim Alvefur <zash@zash.se> parents: 7795 diff changeset	746 else
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select Kim Alvefur <zash@zash.se> parents: 7795 diff changeset	747 quitting = nil;
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select Kim Alvefur <zash@zash.se> parents: 7795 diff changeset	748 end
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	749 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	750
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	751 -- Main loop
7795 03081bd5c5bb net.server_epoll: Add the 'once' argument to loop for parity with server_select Kim Alvefur <zash@zash.se> parents: 7794 diff changeset	752 local function loop(once)
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	753 repeat
7658 e14a124c4d73 net.server_epoll: Make minimum poll wait time configurable Kim Alvefur <zash@zash.se> parents: 7657 diff changeset	754 local t = runtimers(cfg.max_wait, cfg.min_wait);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	755 local fd, r, w = poll:wait(t);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	756 if fd then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	757 local conn = fds[fd];
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	758 if conn then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	759 if r then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	760 conn:onreadable();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	761 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	762 if w then
8542 8c39ec8e6018 net.server_epoll: Spelling writeable -> writable Kim Alvefur <zash@zash.se> parents: 8541 diff changeset	763 conn:onwritable();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	764 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	765 else
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	766 log("debug", "Removing unknown fd %d", fd);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	767 poll:del(fd);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	768 end
9508 2055b497b515 net.server_epoll: Special handling of signal interrupts Kim Alvefur <zash@zash.se> parents: 9507 diff changeset	769 elseif r ~= "timeout" and r ~= "signal" then
9445 af7eafe82447 net.server_epoll: Log error number from wait() Kim Alvefur <zash@zash.se> parents: 9441 diff changeset	770 log("debug", "epoll_wait error: %s[%d]", r, w);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	771 end
7797 d0c32d86724f server_epoll: Flush and close all connections before quitting mainloop so no data is lost in buffers Kim Alvefur <zash@zash.se> parents: 7796 diff changeset	772 until once or (quitting and next(fds) == nil);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	773 return quitting;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	774 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	775
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	776 return {
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	777 get_backend = function () return "epoll"; end;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	778 addserver = addserver;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	779 addclient = addclient;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	780 add_task = addtimer;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	781 at = at;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	782 loop = loop;
7794 424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers Kim Alvefur <zash@zash.se> parents: 7737 diff changeset	783 closeall = closeall;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	784 setquitting = setquitting;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	785 wrapclient = wrapclient;
8781 53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	786 watchfd = watchfd;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	787 link = link;
7657 252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	788 set_config = function (newconfig)
252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	789 cfg = setmetatable(newconfig, default_config);
252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	790 end;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	791
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	792 -- libevent emulation
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	793 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	794 addevent = function (fd, mode, callback)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	795 local function onevent(self)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	796 local ret = self:callback();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	797 if ret == -1 then
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	798 self:set(false, false);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	799 elseif ret then
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	800 self:set(mode == "r" or mode == "rw", mode == "w" or mode == "rw");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	801 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	802 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	803
7817 4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer Kim Alvefur <zash@zash.se> parents: 7811 diff changeset	804 local conn = setmetatable({
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer Kim Alvefur <zash@zash.se> parents: 7811 diff changeset	805 getfd = function () return fd; end;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	806 callback = callback;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	807 onreadable = onevent;
8542 8c39ec8e6018 net.server_epoll: Spelling writeable -> writable Kim Alvefur <zash@zash.se> parents: 8541 diff changeset	808 onwritable = onevent;
7817 4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer Kim Alvefur <zash@zash.se> parents: 7811 diff changeset	809 close = function (self)
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	810 self:del();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	811 fds[fd] = nil;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	812 end;
7817 4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer Kim Alvefur <zash@zash.se> parents: 7811 diff changeset	813 }, interface_mt);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	814 local ok, err = conn:add(mode == "r" or mode == "rw", mode == "w" or mode == "rw");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	815 if not ok then return ok, err; end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	816 return conn;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	817 end;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	818 };

prosody

957d417eb56e

net/server_epoll.lua

Software / code / prosody

Annotate

net/server_epoll.lua @ 11265:957d417eb56e 0.11

Software `/` code `/` prosody