Software `/` code `/` prosody

Annotate

net/server_epoll.lua @ 11049:f103f59ea2b5

net.http: http.request() promise now resolves with response (breaking change) Promise mode is not (widely?) used, changing this now while we can, as it improves usability of the API. The request is now available as response.request, if needed.

author	Matthew Wild <mwild1@gmail.com>
date	Tue, 25 Aug 2020 15:59:04 +0100
parent	11014:05fefde93036
child	11068:988ddd57e851

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;
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	12 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	13 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	14 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	15 local pairs = pairs;
10586 f86ed818a7f8 net.server_epoll: Collect full traceback from errors in listeners Kim Alvefur <zash@zash.se> parents: 10571 diff changeset	16 local traceback = debug.traceback;
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	17 local logger = require "util.logger";
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	18 local log = logger.init("server_epoll");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	19 local socket = require "socket";
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	20 local luasec = require "ssl";
10492 8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling Kim Alvefur <zash@zash.se> parents: 10491 diff changeset	21 local realtime = require "util.time".now;
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling Kim Alvefur <zash@zash.se> parents: 10491 diff changeset	22 local monotonic = require "util.time".monotonic;
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	23 local indexedbheap = require "util.indexedbheap";
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	24 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	25 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	26 local inet_pton = inet.pton;
7737 f93b3083b46b net.server_epoll: Use _SOCKETINVALID from LuaSocket Kim Alvefur <zash@zash.se> parents: 7707 diff changeset	27 local _SOCKETINVALID = socket._SOCKETINVALID or -1;
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	28 local new_id = require "util.id".medium;
10586 f86ed818a7f8 net.server_epoll: Collect full traceback from errors in listeners Kim Alvefur <zash@zash.se> parents: 10571 diff changeset	29 local xpcall = require "util.xpcall".xpcall;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	30
9506 ae6636052be9 net.server_epoll: Graceful handling of registering already added socket Kim Alvefur <zash@zash.se> parents: 9499 diff changeset	31 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	32 local EEXIST = poller.EEXIST;
9507 33d21f020b66 net.server_epoll: Ignore ENOENT when deregitering socket Kim Alvefur <zash@zash.se> parents: 9506 diff changeset	33 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	34
ae6636052be9 net.server_epoll: Graceful handling of registering already added socket Kim Alvefur <zash@zash.se> parents: 9499 diff changeset	35 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	36
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	37 local _ENV = nil;
8555 4f0f5b49bb03 vairious: Add annotation when an empty environment is set [luacheck] Kim Alvefur <zash@zash.se> parents: 8552 diff changeset	38 -- luacheck: std none
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	39
7657 252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	40 local default_config = { __index = {
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	41 -- 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	42 read_timeout = 14 * 60;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	43
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	44 -- How long to wait for a socket to become writable after queuing data to send
9825 5ccce16c6449 net.server_epoll: Increase send_timeout to 3 minutes (to match server_event) Kim Alvefur <zash@zash.se> parents: 9824 diff changeset	45 send_timeout = 180;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	46
9824 729de68f0068 net.server_epoll: Separate timeout for initial connection attempts Kim Alvefur <zash@zash.se> parents: 9823 diff changeset	47 -- How long to wait for a socket to become writable after creation
729de68f0068 net.server_epoll: Separate timeout for initial connection attempts Kim Alvefur <zash@zash.se> parents: 9823 diff changeset	48 connect_timeout = 20;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	49
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	50 -- 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	51 tcp_backlog = 128;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	52
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	53 -- 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	54 accept_retry_interval = 10;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	55
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	56 -- 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	57 read_retry_delay = 1e-06;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	58
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	59 -- 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	60 read_size = 8192;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	61
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	62 -- 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	63 ssl_handshake_timeout = 60;
9665 4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	64
4790d1b88919 server_epoll: Add comments describing config options Kim Alvefur <zash@zash.se> parents: 9664 diff changeset	65 -- 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	66 max_wait = 86400;
7658 e14a124c4d73 net.server_epoll: Make minimum poll wait time configurable Kim Alvefur <zash@zash.se> parents: 7657 diff changeset	67 min_wait = 1e-06;
10081 72adf1f39404 net.server_epoll: Add experimental option to close connections in case of listener error Kim Alvefur <zash@zash.se> parents: 10080 diff changeset	68
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	69 -- Enable extra noisy debug logging
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	70 -- TODO disable once considered stable
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	71 verbose = true;
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	72
10081 72adf1f39404 net.server_epoll: Add experimental option to close connections in case of listener error Kim Alvefur <zash@zash.se> parents: 10080 diff changeset	73 -- EXPERIMENTAL
72adf1f39404 net.server_epoll: Add experimental option to close connections in case of listener error Kim Alvefur <zash@zash.se> parents: 10080 diff changeset	74 -- Whether to kill connections in case of callback errors.
72adf1f39404 net.server_epoll: Add experimental option to close connections in case of listener error Kim Alvefur <zash@zash.se> parents: 10080 diff changeset	75 fatal_errors = false;
10228 e77bf4222fae net.server_epoll: Add support for opportunistic writes Kim Alvefur <zash@zash.se> parents: 10098 diff changeset	76
10992 df3ee12acd8c net.server_epoll: Add setting for turning off callback protections Kim Alvefur <zash@zash.se> parents: 10991 diff changeset	77 -- Or disable protection (like server_select) for potential performance gains
df3ee12acd8c net.server_epoll: Add setting for turning off callback protections Kim Alvefur <zash@zash.se> parents: 10991 diff changeset	78 protect_listeners = true;
df3ee12acd8c net.server_epoll: Add setting for turning off callback protections Kim Alvefur <zash@zash.se> parents: 10991 diff changeset	79
10228 e77bf4222fae net.server_epoll: Add support for opportunistic writes Kim Alvefur <zash@zash.se> parents: 10098 diff changeset	80 -- Attempt writes instantly
e77bf4222fae net.server_epoll: Add support for opportunistic writes Kim Alvefur <zash@zash.se> parents: 10098 diff changeset	81 opportunistic_writes = false;
7657 252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	82 }};
252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	83 local cfg = default_config.__index;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	84
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	85 local fds = createtable(10, 0); -- FD -> conn
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	86
cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	87 -- Timer and scheduling --
cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	88
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	89 local timers = indexedbheap.create();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	90
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	91 local function noop() end
10985 758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	92 local function closetimer(id)
758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	93 timers:remove(id);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	94 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	95
10985 758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	96 local function reschedule(id, time)
10492 8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling Kim Alvefur <zash@zash.se> parents: 10491 diff changeset	97 time = monotonic() + time;
10985 758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	98 timers:reprioritize(id, time);
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	99 end
7573 0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	100
10490 c9cff02c0528 net.server_epoll: Remove unused function for adding timer at absolute time Kim Alvefur <zash@zash.se> parents: 10486 diff changeset	101 -- Add relative timer
10982 276f16101d59 net.server_epoll: Make API-compatible with util.timer Kim Alvefur <zash@zash.se> parents: 10861 diff changeset	102 local function addtimer(timeout, f, param)
10492 8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling Kim Alvefur <zash@zash.se> parents: 10491 diff changeset	103 local time = monotonic() + timeout;
10985 758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	104 if param ~= nil then
758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	105 local timer_callback = f
758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	106 function f(current_time, timer_id)
758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	107 local t = timer_callback(current_time, timer_id, param)
758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	108 return t;
758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	109 end
758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	110 end
758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	111 local id = timers:insert(f, time);
758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	112 return id;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	113 end
7573 0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	114
0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	115 -- Run callbacks of expired timers
0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	116 -- 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	117 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	118 -- Any timers at all?
10492 8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling Kim Alvefur <zash@zash.se> parents: 10491 diff changeset	119 local elapsed = monotonic();
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling Kim Alvefur <zash@zash.se> parents: 10491 diff changeset	120 local now = realtime();
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	121 local peek = timers:peek();
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	122 while peek do
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	123
10492 8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling Kim Alvefur <zash@zash.se> parents: 10491 diff changeset	124 if peek > elapsed then
8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling Kim Alvefur <zash@zash.se> parents: 10491 diff changeset	125 next_delay = peek - elapsed;
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	126 break;
10681 e531273341d3 net.server_epoll: Fix indentation Kim Alvefur <zash@zash.se> parents: 10059 diff changeset	127 end
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	128
10985 758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	129 local _, timer, id = timers:pop();
10990 03e76ad725b2 net.server_epoll: ... and include a traceback Kim Alvefur <zash@zash.se> parents: 10989 diff changeset	130 local ok, ret = xpcall(timer, traceback, now, id);
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	131 if ok and type(ret) == "number" then
10492 8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling Kim Alvefur <zash@zash.se> parents: 10491 diff changeset	132 local next_time = elapsed+ret;
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	133 timers:insert(timer, next_time);
10989 b824fe9d0c8b net.server_epoll: Report errors in timers Kim Alvefur <zash@zash.se> parents: 10987 diff changeset	134 elseif not ok then
b824fe9d0c8b net.server_epoll: Report errors in timers Kim Alvefur <zash@zash.se> parents: 10987 diff changeset	135 log("error", "Error in timer: %s", ret);
10681 e531273341d3 net.server_epoll: Fix indentation Kim Alvefur <zash@zash.se> parents: 10059 diff changeset	136 end
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	137
c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	138 peek = timers:peek();
10681 e531273341d3 net.server_epoll: Fix indentation Kim Alvefur <zash@zash.se> parents: 10059 diff changeset	139 end
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	140 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	141 return next_delay;
0fcde9869cc1 net.server_epoll: Return early in the event of zero timers Kim Alvefur <zash@zash.se> parents: 7628 diff changeset	142 end
0fcde9869cc1 net.server_epoll: Return early in the event of zero timers Kim Alvefur <zash@zash.se> parents: 7628 diff changeset	143
10059 c8c3f2eba898 net.server_epoll: Backport timer optimization 6c2370f17027 from trunk (see #1388) Kim Alvefur <zash@zash.se> parents: 9994 diff changeset	144 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	145 return min_wait;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	146 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	147 return next_delay;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	148 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	149
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	150 -- Socket handler interface
cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	151
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	152 local interface = {};
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	153 local interface_mt = { __index = interface };
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	154
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	155 function interface_mt:__tostring()
7585 b64218c816de net.server_epoll: Improve string representation of connections Kim Alvefur <zash@zash.se> parents: 7584 diff changeset	156 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	157 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	158 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	159 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	160 end
9321 146dc1e4c7ff net.server_epoll: Simplify minimal string representation Kim Alvefur <zash@zash.se> parents: 9320 diff changeset	161 return ("FD %d"):format(self:getfd());
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
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	164 interface.log = log;
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	165 function interface:debug(msg, ...) --luacheck: ignore 212/self
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	166 self.log("debug", msg, ...);
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	167 end
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	168
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	169 interface.noise = interface.debug;
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	170 function interface:noise(msg, ...) --luacheck: ignore 212/self
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	171 if cfg.verbose then
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	172 return self:debug(msg, ...);
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	173 end
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	174 end
863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	175
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	176 function interface:error(msg, ...) --luacheck: ignore 212/self
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	177 self.log("error", msg, ...);
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	178 end
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	179
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	180 -- 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	181 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	182 self:on("detach");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	183 self.listeners = listeners;
9387 33e52f727f0f net.connect: Fix passing request table to new listener Kim Alvefur <zash@zash.se> parents: 9385 diff changeset	184 self:on("attach", data);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	185 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	186
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	187 -- 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	188 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	189 if not self.listeners then
10589 3540118699cf net.server_epoll: Log error about missing all callbacks at 'error' level Kim Alvefur <zash@zash.se> parents: 10588 diff changeset	190 self:error("Interface is missing listener callbacks");
8006 be374a5778f3 net.server_epoll: Log if there's a connection without listeners Kim Alvefur <zash@zash.se> parents: 7910 diff changeset	191 return;
be374a5778f3 net.server_epoll: Log if there's a connection without listeners Kim Alvefur <zash@zash.se> parents: 7910 diff changeset	192 end
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	193 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	194 if not listener then
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	195 self:noise("Missing listener 'on%s'", what); -- uncomment for development and debugging
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	196 return;
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	197 end
10992 df3ee12acd8c net.server_epoll: Add setting for turning off callback protections Kim Alvefur <zash@zash.se> parents: 10991 diff changeset	198 if not cfg.protect_listeners then
df3ee12acd8c net.server_epoll: Add setting for turning off callback protections Kim Alvefur <zash@zash.se> parents: 10991 diff changeset	199 return listener(self, ...);
df3ee12acd8c net.server_epoll: Add setting for turning off callback protections Kim Alvefur <zash@zash.se> parents: 10991 diff changeset	200 end
10991 aa85cb5b859f net.server_epoll: Allow setting a custom error handler for listener Kim Alvefur <zash@zash.se> parents: 10990 diff changeset	201 local onerror = self.listeners.onerror or traceback;
aa85cb5b859f net.server_epoll: Allow setting a custom error handler for listener Kim Alvefur <zash@zash.se> parents: 10990 diff changeset	202 local ok, err = xpcall(listener, onerror, self, ...);
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	203 if not ok then
10081 72adf1f39404 net.server_epoll: Add experimental option to close connections in case of listener error Kim Alvefur <zash@zash.se> parents: 10080 diff changeset	204 if cfg.fatal_errors then
10588 ceadf3d3fecf net.server_epoll: Log errors caught in listeners on 'error' level Kim Alvefur <zash@zash.se> parents: 10587 diff changeset	205 self:error("Closing due to error calling on%s: %s", what, err);
10081 72adf1f39404 net.server_epoll: Add experimental option to close connections in case of listener error Kim Alvefur <zash@zash.se> parents: 10080 diff changeset	206 self:destroy();
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	207 else
90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	208 self:debug("Error calling on%s: %s", what, err);
10081 72adf1f39404 net.server_epoll: Add experimental option to close connections in case of listener error Kim Alvefur <zash@zash.se> parents: 10080 diff changeset	209 end
10080 39ca4202ae1e net.server_epoll: Return listener error message Kim Alvefur <zash@zash.se> parents: 10061 diff changeset	210 return nil, err;
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	211 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	212 return err;
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	213 end
0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	214
10278 94c584d67533 net.server_epoll: Make it easy to override handler for incoming data Kim Alvefur <zash@zash.se> parents: 10234 diff changeset	215 -- Allow this one to be overridden
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data Kim Alvefur <zash@zash.se> parents: 10234 diff changeset	216 function interface:onincoming(...)
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data Kim Alvefur <zash@zash.se> parents: 10234 diff changeset	217 return self:on("incoming", ...);
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data Kim Alvefur <zash@zash.se> parents: 10234 diff changeset	218 end
94c584d67533 net.server_epoll: Make it easy to override handler for incoming data Kim Alvefur <zash@zash.se> parents: 10234 diff changeset	219
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	220 -- Return the file descriptor number
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	221 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	222 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	223 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	224 end
7737 f93b3083b46b net.server_epoll: Use _SOCKETINVALID from LuaSocket Kim Alvefur <zash@zash.se> parents: 7707 diff changeset	225 return _SOCKETINVALID;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	226 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	227
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	228 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	229 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	230 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	231
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	232 -- Get IP address
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	233 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	234 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	235 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	236
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	237 -- 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	238 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	239 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	240 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	241
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	242 -- 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	243 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	244 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	245 end
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	246
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	247 -- 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	248 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	249 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	250 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	251 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	252 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	253 end
7547 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
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	256 -- Return underlying socket
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	257 function interface:socket()
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	258 return self.conn;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	259 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	260
7910 91db637be237 net.server_epoll: Add method for changing read pattern Kim Alvefur <zash@zash.se> parents: 7817 diff changeset	261 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	262 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	263 end
91db637be237 net.server_epoll: Add method for changing read pattern Kim Alvefur <zash@zash.se> parents: 7817 diff changeset	264
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	265 function interface:setoption(k, v)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	266 -- LuaSec doesn't expose setoption :(
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	267 if self.conn.setoption then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	268 self.conn:setoption(k, v);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	269 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	270 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	271
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	272 -- Timeout for detecting dead or idle sockets
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	273 function interface:setreadtimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	274 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	275 if self._readtimeout then
10985 758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	276 closetimer(self._readtimeout);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	277 self._readtimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	278 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	279 return
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	280 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	281 t = t or cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	282 if self._readtimeout then
10985 758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	283 reschedule(self._readtimeout, t);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	284 else
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	285 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	286 if self:on("readtimeout") then
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	287 self:noise("Read timeout handled");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	288 return cfg.read_timeout;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	289 else
10417 d8a0b0d21c81 net.server_epoll: Improve read timeout debug messages Kim Alvefur <zash@zash.se> parents: 10416 diff changeset	290 self:debug("Read timeout not handled, disconnecting");
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	291 self:on("disconnect", "read timeout");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	292 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	293 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	294 end);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	295 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	296 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	297
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	298 -- Timeout for detecting dead sockets
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	299 function interface:setwritetimeout(t)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	300 if t == false then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	301 if self._writetimeout then
10985 758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	302 closetimer(self._writetimeout);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	303 self._writetimeout = nil;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	304 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	305 return
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	306 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	307 t = t or cfg.send_timeout;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	308 if self._writetimeout then
10985 758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	309 reschedule(self._writetimeout, t);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	310 else
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	311 self._writetimeout = addtimer(t, function ()
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	312 self:noise("Write timeout");
10638 92918212ee83 net.server_epoll: Different error to distinguish connection timeout Kim Alvefur <zash@zash.se> parents: 10589 diff changeset	313 self:on("disconnect", self._connected and "write timeout" or "connection timeout");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	314 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	315 end);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	316 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	317 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	318
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	319 function interface:add(r, w)
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	320 local fd = self:getfd();
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	321 if fd < 0 then
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	322 return nil, "invalid fd";
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	323 end
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	324 if r == nil then r = self._wantread; end
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	325 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	326 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	327 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	328 if errno == EEXIST then
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	329 self:debug("FD already registered in poller! (EEXIST)");
9506 ae6636052be9 net.server_epoll: Graceful handling of registering already added socket Kim Alvefur <zash@zash.se> parents: 9499 diff changeset	330 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	331 end
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	332 self:debug("Could not register in poller: %s(%d)", err, errno);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	333 return ok, err;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	334 end
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	335 self._wantread, self._wantwrite = r, w;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	336 fds[fd] = self;
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	337 self:noise("Registered in poller");
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	338 return true;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	339 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	340
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	341 function interface:set(r, w)
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	342 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	343 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	344 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	345 end
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	346 if r == nil then r = self._wantread; end
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	347 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	348 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	349 if not ok then
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	350 self:debug("Could not update poller state: %s(%d)", err, errno);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	351 return ok, err;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	352 end
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	353 self._wantread, self._wantwrite = r, w;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	354 return true;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	355 end
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	356
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	357 function interface:del()
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	358 local fd = self:getfd();
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	359 if fd < 0 then
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	360 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	361 end
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	362 if fds[fd] ~= self then
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	363 return nil, "unregistered fd";
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	364 end
9384 5c8006ce8cb8 net.server_epoll: Include errno in log messages Kim Alvefur <zash@zash.se> parents: 9383 diff changeset	365 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	366 if not ok and errno ~= ENOENT then
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	367 self:debug("Could not unregister: %s(%d)", err, errno);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	368 return ok, err;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	369 end
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	370 self._wantread, self._wantwrite = nil, nil;
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	371 fds[fd] = nil;
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	372 self:noise("Unregistered from poller");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	373 return true;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	374 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	375
9320 8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	376 function interface:setflags(r, w)
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	377 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	378 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	379 return true; -- no change
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	380 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	381 return self:add(r, w);
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	382 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	383 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	384 return self:del();
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	385 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	386 return self:set(r, w);
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	387 end
8cc498cb0df7 net.server_epoll: Add back setflags API for compat Kim Alvefur <zash@zash.se> parents: 9319 diff changeset	388
7573 0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	389 -- Called when socket is readable
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	390 function interface:onreadable()
9311 9b0604fe01f1 net.server_epoll: Make read_size a server-wide option Kim Alvefur <zash@zash.se> parents: 9310 diff changeset	391 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	392 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	393 self:onconnect();
10278 94c584d67533 net.server_epoll: Make it easy to override handler for incoming data Kim Alvefur <zash@zash.se> parents: 10234 diff changeset	394 self:onincoming(data);
7687 ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	395 else
9931 485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	396 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	397 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	398 err = "timeout";
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	399 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	400 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	401 err = "timeout";
485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	402 end
8540 ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write Kim Alvefur <zash@zash.se> parents: 8507 diff changeset	403 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	404 self:onconnect();
10278 94c584d67533 net.server_epoll: Make it easy to override handler for incoming data Kim Alvefur <zash@zash.se> parents: 10234 diff changeset	405 self:onincoming(partial, err);
7687 ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	406 end
9931 485231f8b75d net.server_epoll: Handle LuaSec wantread/wantwrite conditions before callbacks (fixes #1333) Kim Alvefur <zash@zash.se> parents: 9822 diff changeset	407 if err ~= "timeout" then
11014 05fefde93036 net.server_epoll: Log debug message when a connection errors on read Kim Alvefur <zash@zash.se> parents: 10992 diff changeset	408 if err == "closed" then
05fefde93036 net.server_epoll: Log debug message when a connection errors on read Kim Alvefur <zash@zash.se> parents: 10992 diff changeset	409 self:debug("Connection closed by remote");
05fefde93036 net.server_epoll: Log debug message when a connection errors on read Kim Alvefur <zash@zash.se> parents: 10992 diff changeset	410 else
05fefde93036 net.server_epoll: Log debug message when a connection errors on read Kim Alvefur <zash@zash.se> parents: 10992 diff changeset	411 self:debug("Read error, closing (%s)", err);
05fefde93036 net.server_epoll: Log debug message when a connection errors on read Kim Alvefur <zash@zash.se> parents: 10992 diff changeset	412 end
7687 ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	413 self:on("disconnect", err);
ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	414 self:destroy()
ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	415 return;
ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	416 end
ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	417 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	418 if not self.conn then return; end
10098 dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	419 if self._limit and (data or partial) then
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	420 local cost = self._limit * #(data or partial);
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	421 if cost > cfg.min_wait then
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	422 self:setreadtimeout(false);
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	423 self:pausefor(cost);
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	424 return;
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	425 end
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	426 end
9932 df73ca804719 net.server_epoll: Skip delayed continuation read on paused connections Kim Alvefur <zash@zash.se> parents: 9931 diff changeset	427 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	428 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	429 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	430 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	431 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	432 end
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	433 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	434
7573 0f0a6febbc5a net.server_epoll: Add some comments Kim Alvefur <zash@zash.se> parents: 7564 diff changeset	435 -- Called when socket is writable
8542 8c39ec8e6018 net.server_epoll: Spelling writeable -> writable Kim Alvefur <zash@zash.se> parents: 8541 diff changeset	436 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	437 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	438 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	439 local buffer = self.writebuffer;
10571 cfeb0077c9e9 net.server_epoll: Avoid concatenating buffer with single item Kim Alvefur <zash@zash.se> parents: 10546 diff changeset	440 local data = #buffer == 1 and buffer[1] or t_concat(buffer);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	441 local ok, err, partial = self.conn:send(data);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	442 if ok then
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	443 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	444 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	445 buffer[i] = nil;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	446 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	447 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	448 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	449 return;
8540 ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write Kim Alvefur <zash@zash.se> parents: 8507 diff changeset	450 elseif partial then
10305 2fadbf209678 net.server_epoll: Log size of partial writes (debug) Kim Alvefur <zash@zash.se> parents: 10300 diff changeset	451 self:debug("Sent %d out of %d buffered bytes", partial, #data);
7591 138f16eb39fb net.server_epoll: Improve syntax Kim Alvefur <zash@zash.se> parents: 7590 diff changeset	452 buffer[1] = data:sub(partial+1);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	453 for i = #buffer, 2, -1 do
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	454 buffer[i] = nil;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	455 end
10228 e77bf4222fae net.server_epoll: Add support for opportunistic writes Kim Alvefur <zash@zash.se> parents: 10098 diff changeset	456 self:set(nil, true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	457 self:setwritetimeout();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	458 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	459 if err == "wantwrite" or err == "timeout" then
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	460 self:set(nil, true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	461 elseif err == "wantread" then
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	462 self:set(true, nil);
7687 ae24deae6488 net.server_epoll: Separate ok from err branch more Kim Alvefur <zash@zash.se> parents: 7658 diff changeset	463 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	464 self:on("disconnect", err);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	465 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	466 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	467 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	468
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	469 -- The write buffer has been successfully emptied
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	470 function interface:ondrain()
8008 62ed3795be13 net.server_epoll: Attempt to simplify state control Kim Alvefur <zash@zash.se> parents: 8007 diff changeset	471 return self:on("drain");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	472 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	473
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	474 -- 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	475 function interface:write(data)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	476 local buffer = self.writebuffer;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	477 if buffer then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	478 t_insert(buffer, data);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	479 else
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	480 self.writebuffer = { data };
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	481 end
9581 1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	482 if not self._write_lock then
10228 e77bf4222fae net.server_epoll: Add support for opportunistic writes Kim Alvefur <zash@zash.se> parents: 10098 diff changeset	483 if cfg.opportunistic_writes then
e77bf4222fae net.server_epoll: Add support for opportunistic writes Kim Alvefur <zash@zash.se> parents: 10098 diff changeset	484 self:onwritable();
e77bf4222fae net.server_epoll: Add support for opportunistic writes Kim Alvefur <zash@zash.se> parents: 10098 diff changeset	485 return #data;
e77bf4222fae net.server_epoll: Add support for opportunistic writes Kim Alvefur <zash@zash.se> parents: 10098 diff changeset	486 end
9581 1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	487 self:setwritetimeout();
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	488 self:set(nil, true);
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	489 end
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	490 return #data;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	491 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	492 interface.send = interface.write;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	493
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	494 -- Close, possibly after writing is done
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	495 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	496 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	497 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	498 self.write, self.send = noop, noop; -- No more writing
10416 6af8c812a885 net.server_epoll: Clarify a debug message Kim Alvefur <zash@zash.se> parents: 10332 diff changeset	499 self:debug("Close after writing remaining buffered data");
8008 62ed3795be13 net.server_epoll: Attempt to simplify state control Kim Alvefur <zash@zash.se> parents: 8007 diff changeset	500 self.ondrain = interface.close;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	501 else
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	502 self:debug("Closing now");
7593 0266434d7df1 net.server_epoll: Prevent further writing after closing a socket Kim Alvefur <zash@zash.se> parents: 7592 diff changeset	503 self.write, self.send = noop, noop;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	504 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	505 self:on("disconnect");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	506 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	507 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	508 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	509
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	510 function interface:destroy()
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	511 self:del();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	512 self:setwritetimeout(false);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	513 self:setreadtimeout(false);
7594 5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	514 self.onreadable = noop;
8542 8c39ec8e6018 net.server_epoll: Spelling writeable -> writable Kim Alvefur <zash@zash.se> parents: 8541 diff changeset	515 self.onwritable = noop;
7594 5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	516 self.destroy = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	517 self.close = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	518 self.on = noop;
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	519 self.conn:close();
5e884501a9ac net.server_epoll: Prevent anything from happening to destroyed sockets Kim Alvefur <zash@zash.se> parents: 7593 diff changeset	520 self.conn = nil;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	521 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	522
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	523 function interface:ssl()
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	524 return self._tls;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	525 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	526
9300 1df8832bd29e net.server_epoll: Rename all variables holding TLS contexts for consistency Kim Alvefur <zash@zash.se> parents: 8983 diff changeset	527 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	528 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	529 self.starttls = false;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	530 if self.writebuffer and self.writebuffer[1] then
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	531 self:debug("Start TLS after write");
8008 62ed3795be13 net.server_epoll: Attempt to simplify state control Kim Alvefur <zash@zash.se> parents: 8007 diff changeset	532 self.ondrain = interface.starttls;
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	533 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	534 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	535 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	536 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	537 end
10847 42c8dce6e765 net.server_epoll: Fix typo in internal method name Kim Alvefur <zash@zash.se> parents: 10846 diff changeset	538 self.onwritable = interface.tlshandshake;
42c8dce6e765 net.server_epoll: Fix typo in internal method name Kim Alvefur <zash@zash.se> parents: 10846 diff changeset	539 self.onreadable = interface.tlshandshake;
9430 412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	540 self:set(true, true);
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	541 self:debug("Prepared to start TLS");
9430 412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	542 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	543 end
412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	544
10847 42c8dce6e765 net.server_epoll: Fix typo in internal method name Kim Alvefur <zash@zash.se> parents: 10846 diff changeset	545 function interface:tlshandshake()
9430 412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	546 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	547 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	548 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	549 self._tls = true;
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	550 self:debug("Starting TLS now");
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	551 self:del();
10329 c0a72c97e6cf net.server_epoll: Fix to get remote IP on direct TLS connections Kim Alvefur <zash@zash.se> parents: 10328 diff changeset	552 self:updatenames(); -- Can't getpeer/sockname after wrap()
9431 c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap Kim Alvefur <zash@zash.se> parents: 9430 diff changeset	553 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	554 if not ok then
c3c0523a37c6 net.server_epoll: Catch errors from luasec.wrap Kim Alvefur <zash@zash.se> parents: 9430 diff changeset	555 conn, err = ok, conn;
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	556 self:debug("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	557 end
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	558 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	559 self:on("disconnect", err);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	560 self:destroy();
7595 166b2e0766a4 net.server_epoll: Return status from starttls method Kim Alvefur <zash@zash.se> parents: 7594 diff changeset	561 return conn, err;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	562 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	563 conn:settimeout(0);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	564 self.conn = conn;
9847 adc0672b700e net.server_epoll: Add support for SNI (#409) Kim Alvefur <zash@zash.se> parents: 9835 diff changeset	565 if conn.sni then
adc0672b700e net.server_epoll: Add support for SNI (#409) Kim Alvefur <zash@zash.se> parents: 9835 diff changeset	566 if self.servername then
adc0672b700e net.server_epoll: Add support for SNI (#409) Kim Alvefur <zash@zash.se> parents: 9835 diff changeset	567 conn:sni(self.servername);
9853 9aea8dbb105d net.server: Only add alternate SNI contexts if at least one is provided Kim Alvefur <zash@zash.se> parents: 9847 diff changeset	568 elseif self._server and type(self._server.hosts) == "table" and next(self._server.hosts) ~= nil then
9847 adc0672b700e net.server_epoll: Add support for SNI (#409) Kim Alvefur <zash@zash.se> parents: 9835 diff changeset	569 conn:sni(self._server.hosts, true);
adc0672b700e net.server_epoll: Add support for SNI (#409) Kim Alvefur <zash@zash.se> parents: 9835 diff changeset	570 end
adc0672b700e net.server_epoll: Add support for SNI (#409) Kim Alvefur <zash@zash.se> parents: 9835 diff changeset	571 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	572 self:on("starttls");
8008 62ed3795be13 net.server_epoll: Attempt to simplify state control Kim Alvefur <zash@zash.se> parents: 8007 diff changeset	573 self.ondrain = nil;
10847 42c8dce6e765 net.server_epoll: Fix typo in internal method name Kim Alvefur <zash@zash.se> parents: 10846 diff changeset	574 self.onwritable = interface.tlshandshake;
42c8dce6e765 net.server_epoll: Fix typo in internal method name Kim Alvefur <zash@zash.se> parents: 10846 diff changeset	575 self.onreadable = interface.tlshandshake;
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	576 return self:init();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	577 end
10846 d0b098d0f6c3 net.server_epoll: Log some noise before TLS handshake step Kim Alvefur <zash@zash.se> parents: 10683 diff changeset	578 self:noise("Continuing TLS handshake");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	579 local ok, err = self.conn:dohandshake();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	580 if ok then
10309 2a31571efce0 net.server_epoll: Guard against nil return from TLS info method Kim Alvefur <zash@zash.se> parents: 10307 diff changeset	581 local info = self.conn.info and self.conn:info();
2a31571efce0 net.server_epoll: Guard against nil return from TLS info method Kim Alvefur <zash@zash.se> parents: 10307 diff changeset	582 if type(info) == "table" then
10307 6a997f0ceba8 net.server_epoll: Log TLS version and cipher for all completed handshakes Kim Alvefur <zash@zash.se> parents: 10305 diff changeset	583 self:debug("TLS handshake complete (%s with %s)", info.protocol, info.cipher);
6a997f0ceba8 net.server_epoll: Log TLS version and cipher for all completed handshakes Kim Alvefur <zash@zash.se> parents: 10305 diff changeset	584 else
6a997f0ceba8 net.server_epoll: Log TLS version and cipher for all completed handshakes Kim Alvefur <zash@zash.se> parents: 10305 diff changeset	585 self:debug("TLS handshake complete");
6a997f0ceba8 net.server_epoll: Log TLS version and cipher for all completed handshakes Kim Alvefur <zash@zash.se> parents: 10305 diff changeset	586 end
8542 8c39ec8e6018 net.server_epoll: Spelling writeable -> writable Kim Alvefur <zash@zash.se> parents: 8541 diff changeset	587 self.onwritable = nil;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	588 self.onreadable = nil;
8008 62ed3795be13 net.server_epoll: Attempt to simplify state control Kim Alvefur <zash@zash.se> parents: 8007 diff changeset	589 self:on("status", "ssl-handshake-complete");
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	590 self:setwritetimeout();
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	591 self:set(true, true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	592 elseif err == "wantread" then
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	593 self:noise("TLS handshake to wait until readable");
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	594 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	595 self:setreadtimeout(cfg.ssl_handshake_timeout);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	596 elseif err == "wantwrite" then
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	597 self:noise("TLS handshake to wait until writable");
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	598 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	599 self:setwritetimeout(cfg.ssl_handshake_timeout);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	600 else
10649 228277be4a28 net.server_epoll: Reduce log level of TLS handshake errors to debug Kim Alvefur <zash@zash.se> parents: 10638 diff changeset	601 self:debug("TLS handshake error: %s", err);
7583 0498daffa6f0 net.server_epoll: Call callbacks through common method in protected mode Kim Alvefur <zash@zash.se> parents: 7574 diff changeset	602 self:on("disconnect", err);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	603 self:destroy();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	604 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	605 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	606
10233 600eee3c4752 net.server: Accept and save an 'extra' field for client connections Kim Alvefur <zash@zash.se> parents: 10228 diff changeset	607 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	608 client:settimeout(0);
10279 0e1701197722 net.server_epoll: Make log tag accessible as a field Kim Alvefur <zash@zash.se> parents: 10278 diff changeset	609 local conn_id = ("conn%s"):format(new_id());
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	610 local conn = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	611 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	612 _server = server;
10492 8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling Kim Alvefur <zash@zash.se> parents: 10491 diff changeset	613 created = realtime();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	614 listeners = listeners;
9310 2d2d4c293efa net.server_epoll: Rename pattern to read_size Kim Alvefur <zash@zash.se> parents: 9309 diff changeset	615 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	616 writebuffer = {};
9432 2e3f66475cc8 net.server_epoll: Inherit Direct TLS flag from servers to their clients Kim Alvefur <zash@zash.se> parents: 9431 diff changeset	617 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	618 tls_direct = server and server.tls_direct;
10279 0e1701197722 net.server_epoll: Make log tag accessible as a field Kim Alvefur <zash@zash.se> parents: 10278 diff changeset	619 id = conn_id;
0e1701197722 net.server_epoll: Make log tag accessible as a field Kim Alvefur <zash@zash.se> parents: 10278 diff changeset	620 log = logger.init(conn_id);
10233 600eee3c4752 net.server: Accept and save an 'extra' field for client connections Kim Alvefur <zash@zash.se> parents: 10228 diff changeset	621 extra = extra;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	622 }, interface_mt);
7591 138f16eb39fb net.server_epoll: Improve syntax Kim Alvefur <zash@zash.se> parents: 7590 diff changeset	623
10234 d4390c427a66 net.server: Handle server name (SNI) as extra argument Kim Alvefur <zash@zash.se> parents: 10233 diff changeset	624 if extra then
d4390c427a66 net.server: Handle server name (SNI) as extra argument Kim Alvefur <zash@zash.se> parents: 10233 diff changeset	625 if extra.servername then
d4390c427a66 net.server: Handle server name (SNI) as extra argument Kim Alvefur <zash@zash.se> parents: 10233 diff changeset	626 conn.servername = extra.servername;
d4390c427a66 net.server: Handle server name (SNI) as extra argument Kim Alvefur <zash@zash.se> parents: 10233 diff changeset	627 end
d4390c427a66 net.server: Handle server name (SNI) as extra argument Kim Alvefur <zash@zash.se> parents: 10233 diff changeset	628 end
d4390c427a66 net.server: Handle server name (SNI) as extra argument Kim Alvefur <zash@zash.se> parents: 10233 diff changeset	629
9383 3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	630 conn:updatenames();
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	631 return conn;
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	632 end
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	633
3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	634 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	635 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	636 local ok, peername, peerport = pcall(conn.getpeername, conn);
10330 d86b1304451a net.server_epoll: Handle getpeer/sockname returning a normal error Kim Alvefur <zash@zash.se> parents: 10329 diff changeset	637 if ok and peername then
10854 472fe13a05f9 net.server_epoll: Handle missing ports from getsock/peername (as in the case of unix sockets) Matthew Wild <mwild1@gmail.com> parents: 10847 diff changeset	638 self.peername, self.peerport = peername, peerport or 0;
7584 98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	639 end
9383 3260902a5b22 net.server_epoll: Factor out IP/port detection into its own method Kim Alvefur <zash@zash.se> parents: 9382 diff changeset	640 local ok, sockname, sockport = pcall(conn.getsockname, conn);
10330 d86b1304451a net.server_epoll: Handle getpeer/sockname returning a normal error Kim Alvefur <zash@zash.se> parents: 10329 diff changeset	641 if ok and sockname then
10854 472fe13a05f9 net.server_epoll: Handle missing ports from getsock/peername (as in the case of unix sockets) Matthew Wild <mwild1@gmail.com> parents: 10847 diff changeset	642 self.sockname, self.sockport = sockname, sockport or 0;
7547 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 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	645
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	646 -- A server interface has new incoming connections waiting
cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	647 -- This replaces the onreadable callback
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	648 function interface:onacceptable()
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	649 local conn, err = self.conn:accept();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	650 if not conn then
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	651 self: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	652 self:pausefor(cfg.accept_retry_interval);
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	653 return;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	654 end
9309 33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	655 local client = wrapsocket(conn, self, nil, self.listeners);
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	656 client:debug("New connection %s on server %s", client, self);
9430 412ff404bf58 net.server_epoll: Delay wrapping sockets in TLS until just before first handshake Kim Alvefur <zash@zash.se> parents: 9387 diff changeset	657 client:init();
9309 33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	658 if self.tls_direct then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	659 client:starttls(self.tls_ctx);
9695 5ec4eaf76de8 net.server_epoll: Call onconnect right after accept()ing a new client Kim Alvefur <zash@zash.se> parents: 9666 diff changeset	660 else
5ec4eaf76de8 net.server_epoll: Call onconnect right after accept()ing a new client Kim Alvefur <zash@zash.se> parents: 9666 diff changeset	661 client:onconnect();
9309 33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	662 end
7597 cd34aa6b1632 net.server_epoll: Refactor to use common initialization Kim Alvefur <zash@zash.se> parents: 7596 diff changeset	663 end
cd34aa6b1632 net.server_epoll: Refactor to use common initialization Kim Alvefur <zash@zash.se> parents: 7596 diff changeset	664
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	665 -- Initialization
7597 cd34aa6b1632 net.server_epoll: Refactor to use common initialization Kim Alvefur <zash@zash.se> parents: 7596 diff changeset	666 function interface:init()
9824 729de68f0068 net.server_epoll: Separate timeout for initial connection attempts Kim Alvefur <zash@zash.se> parents: 9823 diff changeset	667 self:setwritetimeout(cfg.connect_timeout);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	668 return self:add(true, true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	669 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	670
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	671 function interface:pause()
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	672 self:noise("Pause reading");
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	673 return self:set(false);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	674 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	675
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	676 function interface:resume()
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	677 self:noise("Resume reading");
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	678 return self:set(true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	679 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	680
7624 23fb3a084956 net.server_epoll: Comments Kim Alvefur <zash@zash.se> parents: 7623 diff changeset	681 -- Pause connection for some time
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	682 function interface:pausefor(t)
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	683 self:noise("Pause for %fs", t);
7559 b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer Kim Alvefur <zash@zash.se> parents: 7558 diff changeset	684 if self._pausefor then
10985 758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	685 closetimer(self._pausefor);
758ce12586de net.server_epoll: Optimize away table allocation for timer objects Kim Alvefur <zash@zash.se> parents: 10984 diff changeset	686 self._pausefor = nil;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	687 end
7559 b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer Kim Alvefur <zash@zash.se> parents: 7558 diff changeset	688 if t == false then return; end
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	689 self:set(false);
7559 b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer Kim Alvefur <zash@zash.se> parents: 7558 diff changeset	690 self._pausefor = addtimer(t, function ()
b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer Kim Alvefur <zash@zash.se> parents: 7558 diff changeset	691 self._pausefor = nil;
9994 524b8cd76780 net.server_epoll: Restore wantread flag after pause (fixes #1354) Kim Alvefur <zash@zash.se> parents: 9932 diff changeset	692 self:set(true);
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	693 self:noise("Resuming after pause, connection is %s", not self.conn and "missing" or self.conn:dirty() and "dirty" or "clean");
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	694 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	695 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	696 end
7559 b1b27dedf4cf net.server_epoll: Replace any previous pausefor timer Kim Alvefur <zash@zash.se> parents: 7558 diff changeset	697 end);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	698 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	699
10098 dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	700 function interface:setlimit(Bps)
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	701 if Bps > 0 then
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	702 self._limit = 1/Bps;
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	703 else
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	704 self._limit = nil;
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	705 end
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	706 end
dda1c7ccb209 server_epoll: Add native support for per socket bandwith limits Kim Alvefur <zash@zash.se> parents: 10091 diff changeset	707
9581 1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	708 function interface:pause_writes()
10300 78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state Kim Alvefur <zash@zash.se> parents: 10289 diff changeset	709 if self._write_lock then
78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state Kim Alvefur <zash@zash.se> parents: 10289 diff changeset	710 return
78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state Kim Alvefur <zash@zash.se> parents: 10289 diff changeset	711 end
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	712 self:noise("Pause writes");
9581 1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	713 self._write_lock = true;
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	714 self:setwritetimeout(false);
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	715 self:set(nil, false);
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	716 end
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	717
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	718 function interface:resume_writes()
10300 78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state Kim Alvefur <zash@zash.se> parents: 10289 diff changeset	719 if not self._write_lock then
78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state Kim Alvefur <zash@zash.se> parents: 10289 diff changeset	720 return
78f2a3a9c537 net.server_epoll: Return early when attepting to set write lock state to current state Kim Alvefur <zash@zash.se> parents: 10289 diff changeset	721 end
10587 863aa36a9dd8 net.server_epoll: Add option for reducing debug logging Kim Alvefur <zash@zash.se> parents: 10586 diff changeset	722 self:noise("Resume writes");
9581 1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	723 self._write_lock = nil;
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	724 if self.writebuffer[1] then
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	725 self:setwritetimeout();
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	726 self:set(nil, true);
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	727 end
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	728 end
1be99aedb0b3 net.server: Add an API for holding writes of outgoing data Kim Alvefur <zash@zash.se> parents: 9573 diff changeset	729
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	730 -- Connected!
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	731 function interface:onconnect()
10638 92918212ee83 net.server_epoll: Different error to distinguish connection timeout Kim Alvefur <zash@zash.se> parents: 10589 diff changeset	732 self._connected = true;
9594 dcf466e04f81 net.server_epoll: Use method to update peername on connect Kim Alvefur <zash@zash.se> parents: 9587 diff changeset	733 self:updatenames();
10331 76bd77ad6a2a server_epoll: Log full string represestation when connected Kim Alvefur <zash@zash.se> parents: 10330 diff changeset	734 self:debug("Connected (%s)", self);
8540 ba9fd886b34d net.server_epoll: Call onconnect listener on first successful read or write Kim Alvefur <zash@zash.se> parents: 8507 diff changeset	735 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	736 self:on("connect");
8506 174fd716c9fa server_epoll: Rework how socket readyness is detected Kim Alvefur <zash@zash.se> parents: 8271 diff changeset	737 end
174fd716c9fa server_epoll: Rework how socket readyness is detected Kim Alvefur <zash@zash.se> parents: 8271 diff changeset	738
10861 e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket Kim Alvefur <zash@zash.se> parents: 10854 diff changeset	739 local function wrapserver(conn, addr, port, listeners, config)
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	740 local server = setmetatable({
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	741 conn = conn;
10492 8e1d9bba9244 net.server_epoll: Use monotonic time for scheduling Kim Alvefur <zash@zash.se> parents: 10491 diff changeset	742 created = realtime();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	743 listeners = listeners;
9835 20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	744 read_size = config and config.read_size;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	745 onreadable = interface.onacceptable;
9835 20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	746 tls_ctx = config and config.tls_ctx;
20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	747 tls_direct = config and config.tls_direct;
9847 adc0672b700e net.server_epoll: Add support for SNI (#409) Kim Alvefur <zash@zash.se> parents: 9835 diff changeset	748 hosts = config and config.sni_hosts;
7584 98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	749 sockname = addr;
98ee3ed105cf net.server_epoll: Collect and expose local and remote address and ports Kim Alvefur <zash@zash.se> parents: 7583 diff changeset	750 sockport = port;
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	751 log = logger.init(("serv%s"):format(new_id()));
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	752 }, interface_mt);
10089 90e459f48cbd net.server_epoll: Overhaul logging with one log sink per connection Kim Alvefur <zash@zash.se> parents: 10088 diff changeset	753 server:debug("Server %s created", server);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	754 server:add(true, false);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	755 return server;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	756 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	757
10861 e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket Kim Alvefur <zash@zash.se> parents: 10854 diff changeset	758 local function listen(addr, port, listeners, config)
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket Kim Alvefur <zash@zash.se> parents: 10854 diff changeset	759 local conn, err = socket.bind(addr, port, cfg.tcp_backlog);
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket Kim Alvefur <zash@zash.se> parents: 10854 diff changeset	760 if not conn then return conn, err; end
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket Kim Alvefur <zash@zash.se> parents: 10854 diff changeset	761 conn:settimeout(0);
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket Kim Alvefur <zash@zash.se> parents: 10854 diff changeset	762 return wrapserver(conn, addr, port, listeners, config);
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket Kim Alvefur <zash@zash.se> parents: 10854 diff changeset	763 end
e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket Kim Alvefur <zash@zash.se> parents: 10854 diff changeset	764
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	765 -- COMPAT
9835 20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	766 local function addserver(addr, port, listeners, read_size, tls_ctx)
20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	767 return listen(addr, port, listeners, {
20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	768 read_size = read_size;
20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	769 tls_ctx = tls_ctx;
20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	770 tls_direct = tls_ctx and true or false;
20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	771 });
20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	772 end
20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	773
20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	774 -- COMPAT
10233 600eee3c4752 net.server: Accept and save an 'extra' field for client connections Kim Alvefur <zash@zash.se> parents: 10228 diff changeset	775 local function wrapclient(conn, addr, port, listeners, read_size, tls_ctx, extra)
600eee3c4752 net.server: Accept and save an 'extra' field for client connections Kim Alvefur <zash@zash.se> parents: 10228 diff changeset	776 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	777 if not client.peername then
cd34aa6b1632 net.server_epoll: Refactor to use common initialization Kim Alvefur <zash@zash.se> parents: 7596 diff changeset	778 client.peername, client.peerport = addr, port;
cd34aa6b1632 net.server_epoll: Refactor to use common initialization Kim Alvefur <zash@zash.se> parents: 7596 diff changeset	779 end
9473 5fdda751333a net.server: Require IP address as argument to addclient (no DNS names) Kim Alvefur <zash@zash.se> parents: 9445 diff changeset	780 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	781 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	782 if tls_ctx then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	783 client:starttls(tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	784 end
7551 838212918f11 net.server_epoll: Rename arguments and varibles for consistensy Kim Alvefur <zash@zash.se> parents: 7550 diff changeset	785 return client;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	786 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	787
7800 dadf9ba290c5 server_epoll: Add some comments describing some functions Kim Alvefur <zash@zash.se> parents: 7799 diff changeset	788 -- New outgoing TCP connection
10233 600eee3c4752 net.server: Accept and save an 'extra' field for client connections Kim Alvefur <zash@zash.se> parents: 10228 diff changeset	789 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	790 local create;
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	791 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	792 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	793 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	794 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	795 typ = "tcp6";
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	796 else
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	797 typ = "tcp4";
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	798 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	799 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	800 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	801 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	802 end
183ff7a8051b net.server_epoll: Add support for the conn_type argument to addclient Kim Alvefur <zash@zash.se> parents: 9477 diff changeset	803 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	804 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	805 end
5fdda751333a net.server: Require IP address as argument to addclient (no DNS names) Kim Alvefur <zash@zash.se> parents: 9445 diff changeset	806 local conn, err = create();
10082 1df53ef1f60d net.server_epoll: Return errors from creating sockets Kim Alvefur <zash@zash.se> parents: 10081 diff changeset	807 if not conn then return conn, err; end
9498 cc593002f2e2 net.server_epoll: Check return conditions of early socket setup Kim Alvefur <zash@zash.se> parents: 9497 diff changeset	808 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	809 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	810 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	811 if not ok and err ~= "timeout" then return ok, err; end
10233 600eee3c4752 net.server: Accept and save an 'extra' field for client connections Kim Alvefur <zash@zash.se> parents: 10228 diff changeset	812 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	813 local ok, err = client:init();
10332 e05ea8223b32 net.server_epoll: Save IP and port from connection creation call Kim Alvefur <zash@zash.se> parents: 10331 diff changeset	814 if not client.peername then
e05ea8223b32 net.server_epoll: Save IP and port from connection creation call Kim Alvefur <zash@zash.se> parents: 10331 diff changeset	815 -- otherwise not set until connected
e05ea8223b32 net.server_epoll: Save IP and port from connection creation call Kim Alvefur <zash@zash.se> parents: 10331 diff changeset	816 client.peername, client.peerport = addr, port;
e05ea8223b32 net.server_epoll: Save IP and port from connection creation call Kim Alvefur <zash@zash.se> parents: 10331 diff changeset	817 end
9473 5fdda751333a net.server: Require IP address as argument to addclient (no DNS names) Kim Alvefur <zash@zash.se> parents: 9445 diff changeset	818 if not ok then return ok, err; end
10328 5c2b31c823b9 net.server_epoll: Move a log message to improve ordering Kim Alvefur <zash@zash.se> parents: 10309 diff changeset	819 client:debug("Client %s created", client);
9309 33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	820 if tls_ctx then
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	821 client:starttls(tls_ctx);
33d500c25d76 net.server_epoll: Refactor Direct TLS assumptions outwards Kim Alvefur <zash@zash.se> parents: 9306 diff changeset	822 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	823 return client, conn;
7553 4f3e4a092348 net.server_epoll: Make addclient use wrapclient Kim Alvefur <zash@zash.se> parents: 7552 diff changeset	824 end
4f3e4a092348 net.server_epoll: Make addclient use wrapclient Kim Alvefur <zash@zash.se> parents: 7552 diff changeset	825
9319 7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API Kim Alvefur <zash@zash.se> parents: 9314 diff changeset	826 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	827 local conn = setmetatable({
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	828 conn = fd;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	829 onreadable = onreadable;
9319 7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API Kim Alvefur <zash@zash.se> parents: 9314 diff changeset	830 onwritable = onwritable;
8781 53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	831 close = function (self)
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	832 self:del();
8781 53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	833 end
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	834 }, interface_mt);
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	835 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	836 conn.getfd = function ()
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	837 return fd;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	838 end;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	839 -- 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	840 end
10420 49a828819696 net.server_epoll: Save log tag in a field on FD watchers too Kim Alvefur <zash@zash.se> parents: 10419 diff changeset	841 conn.id = new_id();
49a828819696 net.server_epoll: Save log tag in a field on FD watchers too Kim Alvefur <zash@zash.se> parents: 10419 diff changeset	842 conn.log = logger.init(("fdwatch%s"):format(conn.id));
9319 7c954c75b6ac net.server_epoll: Fix write signal handling in watchfd API Kim Alvefur <zash@zash.se> parents: 9314 diff changeset	843 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	844 return conn;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	845 end;
53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	846
7800 dadf9ba290c5 server_epoll: Add some comments describing some functions Kim Alvefur <zash@zash.se> parents: 7799 diff changeset	847 -- Dump all data from one connection into another
10283 dff360d00dfa net.server_epoll: Handle read size argument to link Kim Alvefur <zash@zash.se> parents: 10282 diff changeset	848 local function link(from, to, read_size)
10280 6b8b255f1d10 net.server_epoll: Add debug logging for various connection events Kim Alvefur <zash@zash.se> parents: 10279 diff changeset	849 from:debug("Linking to %s", to.id);
10284 cd669975031b net.server_epoll: Fix link function to not replace listeners Kim Alvefur <zash@zash.se> parents: 10283 diff changeset	850 function from:onincoming(data)
cd669975031b net.server_epoll: Fix link function to not replace listeners Kim Alvefur <zash@zash.se> parents: 10283 diff changeset	851 self:pause();
10289 8c59b20f71dc net.server_epoll: Correct indentation Kim Alvefur <zash@zash.se> parents: 10285 diff changeset	852 to:write(data);
10284 cd669975031b net.server_epoll: Fix link function to not replace listeners Kim Alvefur <zash@zash.se> parents: 10283 diff changeset	853 end
10285 bcf61e22f841 net.server_epoll: Ignore unused self argument [luacheck] Kim Alvefur <zash@zash.se> parents: 10284 diff changeset	854 function to:ondrain() -- luacheck: ignore 212/self
10289 8c59b20f71dc net.server_epoll: Correct indentation Kim Alvefur <zash@zash.se> parents: 10285 diff changeset	855 from:resume();
10284 cd669975031b net.server_epoll: Fix link function to not replace listeners Kim Alvefur <zash@zash.se> parents: 10283 diff changeset	856 end
10283 dff360d00dfa net.server_epoll: Handle read size argument to link Kim Alvefur <zash@zash.se> parents: 10282 diff changeset	857 from:set_mode(read_size);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	858 from:set(true, nil);
c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	859 to:set(nil, true);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	860 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	861
9438 916bee81eb7e net.server_epoll: Make :set_send a noop, should fix net.adns Kim Alvefur <zash@zash.se> parents: 9432 diff changeset	862 -- COMPAT
916bee81eb7e net.server_epoll: Make :set_send a noop, should fix net.adns Kim Alvefur <zash@zash.se> parents: 9432 diff changeset	863 -- 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	864 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	865 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	866
7800 dadf9ba290c5 server_epoll: Add some comments describing some functions Kim Alvefur <zash@zash.se> parents: 7799 diff changeset	867 -- 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	868 local function closeall()
7799 93643a61858a server_epoll: Ignore unused loop variable [luacheck] Kim Alvefur <zash@zash.se> parents: 7797 diff changeset	869 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	870 conn:close();
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers Kim Alvefur <zash@zash.se> parents: 7737 diff changeset	871 end
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers Kim Alvefur <zash@zash.se> parents: 7737 diff changeset	872 end
424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers Kim Alvefur <zash@zash.se> parents: 7737 diff changeset	873
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	874 local quitting = nil;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	875
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	876 -- 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	877 local function setquitting(quit)
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select Kim Alvefur <zash@zash.se> parents: 7795 diff changeset	878 if quit then
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select Kim Alvefur <zash@zash.se> parents: 7795 diff changeset	879 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	880 closeall();
7796 12609aee3b3b server_epoll: Handle the argument to setquitting like server_select Kim Alvefur <zash@zash.se> parents: 7795 diff changeset	881 else
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select Kim Alvefur <zash@zash.se> parents: 7795 diff changeset	882 quitting = nil;
12609aee3b3b server_epoll: Handle the argument to setquitting like server_select Kim Alvefur <zash@zash.se> parents: 7795 diff changeset	883 end
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	884 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	885
7637 cccea9136b2d net.server_epoll: More comments Kim Alvefur <zash@zash.se> parents: 7630 diff changeset	886 -- 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	887 local function loop(once)
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	888 repeat
7658 e14a124c4d73 net.server_epoll: Make minimum poll wait time configurable Kim Alvefur <zash@zash.se> parents: 7657 diff changeset	889 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	890 local fd, r, w = poll:wait(t);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	891 if fd then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	892 local conn = fds[fd];
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	893 if conn then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	894 if r then
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	895 conn:onreadable();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	896 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	897 if w then
8542 8c39ec8e6018 net.server_epoll: Spelling writeable -> writable Kim Alvefur <zash@zash.se> parents: 8541 diff changeset	898 conn:onwritable();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	899 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	900 else
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	901 log("debug", "Removing unknown fd %d", fd);
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	902 poll:del(fd);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	903 end
9508 2055b497b515 net.server_epoll: Special handling of signal interrupts Kim Alvefur <zash@zash.se> parents: 9507 diff changeset	904 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	905 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	906 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	907 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	908 return quitting;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	909 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	910
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	911 return {
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	912 get_backend = function () return "epoll"; end;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	913 addserver = addserver;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	914 addclient = addclient;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	915 add_task = addtimer;
10983 0862325842ec net.server_epoll: Signal API-compatibilty with util.timer Kim Alvefur <zash@zash.se> parents: 10982 diff changeset	916 timer = {
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer Kim Alvefur <zash@zash.se> parents: 10982 diff changeset	917 -- API-compatible with util.timer
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer Kim Alvefur <zash@zash.se> parents: 10982 diff changeset	918 add_task = addtimer;
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer Kim Alvefur <zash@zash.se> parents: 10982 diff changeset	919 stop = closetimer;
0862325842ec net.server_epoll: Signal API-compatibilty with util.timer Kim Alvefur <zash@zash.se> parents: 10982 diff changeset	920 reschedule = reschedule;
10987 62355b801772 net.server_epoll: Expose way to turn monotonic time into wall clock time Kim Alvefur <zash@zash.se> parents: 10985 diff changeset	921 to_absolute_time = function (t)
62355b801772 net.server_epoll: Expose way to turn monotonic time into wall clock time Kim Alvefur <zash@zash.se> parents: 10985 diff changeset	922 return t-monotonic()+realtime();
62355b801772 net.server_epoll: Expose way to turn monotonic time into wall clock time Kim Alvefur <zash@zash.se> parents: 10985 diff changeset	923 end;
10983 0862325842ec net.server_epoll: Signal API-compatibilty with util.timer Kim Alvefur <zash@zash.se> parents: 10982 diff changeset	924 };
9835 20bf5b47c1fb net.server: New API for creating server listeners Kim Alvefur <zash@zash.se> parents: 9825 diff changeset	925 listen = listen;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	926 loop = loop;
7794 424bbbeb9257 server_epoll: Add closeall() method for closing all clients and servers Kim Alvefur <zash@zash.se> parents: 7737 diff changeset	927 closeall = closeall;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	928 setquitting = setquitting;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	929 wrapclient = wrapclient;
10861 e12690a37795 net.server_epoll: Add way to start accepting clients on an arbitrary server socket Kim Alvefur <zash@zash.se> parents: 10854 diff changeset	930 wrapserver = wrapserver;
8781 53178b6ba589 net.server: Add watchfd, a simple API for watching file descriptors Kim Alvefur <zash@zash.se> parents: 8778 diff changeset	931 watchfd = watchfd;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	932 link = link;
7657 252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	933 set_config = function (newconfig)
252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	934 cfg = setmetatable(newconfig, default_config);
252823632401 net.server_epoll: Support for setting configuration parameters Kim Alvefur <zash@zash.se> parents: 7637 diff changeset	935 end;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	936
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	937 -- libevent emulation
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	938 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	939 addevent = function (fd, mode, callback)
10088 97da8452c6a6 net.server_epoll: Deprecate libevent emulation layer Kim Alvefur <zash@zash.se> parents: 10082 diff changeset	940 log("warn", "Using deprecated libevent emulation, please update code to use watchfd API instead");
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	941 local function onevent(self)
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	942 local ret = self:callback();
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	943 if ret == -1 then
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	944 self:set(false, false);
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	945 elseif ret then
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	946 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	947 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	948 end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	949
7817 4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer Kim Alvefur <zash@zash.se> parents: 7811 diff changeset	950 local conn = setmetatable({
4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer Kim Alvefur <zash@zash.se> parents: 7811 diff changeset	951 getfd = function () return fd; end;
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	952 callback = callback;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	953 onreadable = onevent;
8542 8c39ec8e6018 net.server_epoll: Spelling writeable -> writable Kim Alvefur <zash@zash.se> parents: 8541 diff changeset	954 onwritable = onevent;
7817 4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer Kim Alvefur <zash@zash.se> parents: 7811 diff changeset	955 close = function (self)
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	956 self:del();
7547 b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	957 fds[fd] = nil;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	958 end;
7817 4e3654031693 net.server_epoll: Reuse interface metatable for event compat layer Kim Alvefur <zash@zash.se> parents: 7811 diff changeset	959 }, interface_mt);
10420 49a828819696 net.server_epoll: Save log tag in a field on FD watchers too Kim Alvefur <zash@zash.se> parents: 10419 diff changeset	960 conn.id = conn:getfd();
49a828819696 net.server_epoll: Save log tag in a field on FD watchers too Kim Alvefur <zash@zash.se> parents: 10419 diff changeset	961 conn.log = logger.init(("fdwatch%d"):format(conn.id));
9314 c9eef7e8ee65 net.server_epoll: Use util.poll Kim Alvefur <zash@zash.se> parents: 9311 diff changeset	962 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	963 if not ok then return ok, err; end
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	964 return conn;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	965 end;
b327322ce2dd net.server_epoll: New experimental server backend Kim Alvefur <zash@zash.se> parents: diff changeset	966 };

prosody

f103f59ea2b5

net/server_epoll.lua

Software / code / prosody

Annotate

net/server_epoll.lua @ 11049:f103f59ea2b5

Software `/` code `/` prosody