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-rw-r--r--net/connlisteners.lua2
-rw-r--r--net/cqueues.lua74
-rw-r--r--net/httpserver.lua2
-rw-r--r--net/server.lua86
-rw-r--r--net/server_event.lua15
-rw-r--r--net/server_select.lua91
6 files changed, 200 insertions, 70 deletions
diff --git a/net/connlisteners.lua b/net/connlisteners.lua
index 000bfa63..38cf8f08 100644
--- a/net/connlisteners.lua
+++ b/net/connlisteners.lua
@@ -5,7 +5,7 @@ local traceback = debug.traceback;
local _ENV = nil;
local function fail()
- log("error", "Attempt to use legacy connlisteners API. For more info see http://prosody.im/doc/developers/network");
+ log("error", "Attempt to use legacy connlisteners API. For more info see https://prosody.im/doc/developers/network");
log("error", "Legacy connlisteners API usage, %s", traceback("", 2));
end
diff --git a/net/cqueues.lua b/net/cqueues.lua
new file mode 100644
index 00000000..8c4c756f
--- /dev/null
+++ b/net/cqueues.lua
@@ -0,0 +1,74 @@
+-- Prosody IM
+-- Copyright (C) 2014 Daurnimator
+--
+-- This project is MIT/X11 licensed. Please see the
+-- COPYING file in the source package for more information.
+--
+-- This module allows you to use cqueues with a net.server mainloop
+--
+
+local server = require "net.server";
+local cqueues = require "cqueues";
+assert(cqueues.VERSION >= 20150113, "cqueues newer than 20150113 required")
+
+-- Create a single top level cqueue
+local cq;
+
+if server.cq then -- server provides cqueues object
+ cq = server.cq;
+elseif server.get_backend() == "select" and server._addtimer then -- server_select
+ cq = cqueues.new();
+ local function step()
+ assert(cq:loop(0));
+ end
+
+ -- Use wrapclient (as wrapconnection isn't exported) to get server_select to watch cq fd
+ local handler = server.wrapclient({
+ getfd = function() return cq:pollfd(); end;
+ settimeout = function() end; -- Method just needs to exist
+ close = function() end; -- Need close method for 'closeall'
+ }, nil, nil, {});
+
+ -- Only need to listen for readable; cqueues handles everything under the hood
+ -- readbuffer is called when `select` notes an fd as readable
+ handler.readbuffer = step;
+
+ -- Use server_select low lever timer facility,
+ -- this callback gets called *every* time there is a timeout in the main loop
+ server._addtimer(function(current_time)
+ -- This may end up in extra step()'s, but cqueues handles it for us.
+ step();
+ return cq:timeout();
+ end);
+elseif server.event and server.base then -- server_event
+ cq = cqueues.new();
+ -- Only need to listen for readable; cqueues handles everything under the hood
+ local EV_READ = server.event.EV_READ;
+ -- Convert a cqueues timeout to an acceptable timeout for luaevent
+ local function luaevent_safe_timeout(cq)
+ local t = cq:timeout();
+ -- if you give luaevent 0 or nil, it re-uses the previous timeout.
+ if t == 0 then
+ t = 0.000001; -- 1 microsecond is the smallest that works (goes into a `struct timeval`)
+ elseif t == nil then -- pick something big if we don't have one
+ t = 0x7FFFFFFF; -- largest 32bit int
+ end
+ return t
+ end
+ local event_handle;
+ event_handle = server.base:addevent(cq:pollfd(), EV_READ, function(e)
+ -- Need to reference event_handle or this callback will get collected
+ -- This creates a circular reference that can only be broken if event_handle is manually :close()'d
+ local _ = event_handle;
+ -- Run as many cqueues things as possible (with a timeout of 0)
+ -- If an error is thrown, it will break the libevent loop; but prosody resumes after logging a top level error
+ assert(cq:loop(0));
+ return EV_READ, luaevent_safe_timeout(cq);
+ end, luaevent_safe_timeout(cq));
+else
+ error "NYI"
+end
+
+return {
+ cq = cq;
+}
diff --git a/net/httpserver.lua b/net/httpserver.lua
index 6e2e31b9..56561306 100644
--- a/net/httpserver.lua
+++ b/net/httpserver.lua
@@ -5,7 +5,7 @@ local traceback = debug.traceback;
local _ENV = nil;
function fail()
- log("error", "Attempt to use legacy HTTP API. For more info see http://prosody.im/doc/developers/legacy_http");
+ log("error", "Attempt to use legacy HTTP API. For more info see https://prosody.im/doc/developers/legacy_http");
log("error", "Legacy HTTP API usage, %s", traceback("", 2));
end
diff --git a/net/server.lua b/net/server.lua
index 41e180fa..0e13399d 100644
--- a/net/server.lua
+++ b/net/server.lua
@@ -6,49 +6,28 @@
-- COPYING file in the source package for more information.
--
-local use_luaevent = prosody and require "core.configmanager".get("*", "use_libevent");
+local server_type = prosody and require "core.configmanager".get("*", "network_backend") or "select";
+if prosody and require "core.configmanager".get("*", "use_libevent") then
+ server_type = "event";
+end
-if use_luaevent then
- use_luaevent = pcall(require, "luaevent.core");
- if not use_luaevent then
+if server_type == "event" then
+ if not pcall(require, "luaevent.core") then
log("error", "libevent not found, falling back to select()");
+ server_type = "select"
end
end
local server;
-
-if use_luaevent then
+local set_config;
+if server_type == "event" then
server = require "net.server_event";
- -- Overwrite signal.signal() because we need to ask libevent to
- -- handle them instead
- local ok, signal = pcall(require, "util.signal");
- if ok and signal then
- local _signal_signal = signal.signal;
- function signal.signal(signal_id, handler)
- if type(signal_id) == "string" then
- signal_id = signal[signal_id:upper()];
- end
- if type(signal_id) ~= "number" then
- return false, "invalid-signal";
- end
- return server.hook_signal(signal_id, handler);
- end
- end
-else
- use_luaevent = false;
- server = require "net.server_select";
-end
-
-if prosody then
- local config_get = require "core.configmanager".get;
local defaults = {};
- for k,v in pairs(server.cfg or server.getsettings()) do
+ for k,v in pairs(server.cfg) do
defaults[k] = v;
end
- local function load_config()
- local settings = config_get("*", "network_settings") or {};
- if use_luaevent then
+ function set_config(settings)
local event_settings = {
ACCEPT_DELAY = settings.accept_retry_interval;
ACCEPT_QUEUE = settings.tcp_backlog;
@@ -67,13 +46,54 @@ if prosody then
for k,default in pairs(defaults) do
server.cfg[k] = event_settings[k] or default;
end
- else
+ end
+elseif server_type == "select" then
+ server = require "net.server_select";
+
+ local defaults = {};
+ for k,v in pairs(server.getsettings()) do
+ defaults[k] = v;
+ end
+ function set_config(settings)
local select_settings = {};
for k,default in pairs(defaults) do
select_settings[k] = settings[k] or default;
end
server.changesettings(select_settings);
end
+else
+ error("Unsupported server type")
+end
+
+-- If server.hook_signal exists, replace signal.signal()
+local has_signal, signal = pcall(require, "util.signal");
+if has_signal then
+ if server.hook_signal then
+ function signal.signal(signal_id, handler)
+ if type(signal_id) == "string" then
+ signal_id = signal[signal_id:upper()];
+ end
+ if type(signal_id) ~= "number" then
+ return false, "invalid-signal";
+ end
+ return server.hook_signal(signal_id, handler);
+ end
+ else
+ server.hook_signal = signal.signal;
+ end
+else
+ if not server.hook_signal then
+ server.hook_signal = function()
+ return false, "signal hooking not supported"
+ end
+ end
+end
+
+if prosody then
+ local config_get = require "core.configmanager".get;
+ local function load_config()
+ local settings = config_get("*", "network_settings") or {};
+ return set_config(settings);
end
load_config();
prosody.events.add_handler("config-reloaded", load_config);
diff --git a/net/server_event.lua b/net/server_event.lua
index 5fd49d0a..cfe9c6f5 100644
--- a/net/server_event.lua
+++ b/net/server_event.lua
@@ -805,6 +805,20 @@ local function link(sender, receiver, buffersize)
sender:set_mode("*a");
end
+local function add_task(delay, callback)
+ local event_handle;
+ event_handle = base:addevent(nil, 0, function ()
+ local ret = callback(socket_gettime());
+ if ret then
+ return 0, ret;
+ elseif event_handle then
+ return -1;
+ end
+ end
+ , delay);
+ return event_handle;
+end
+
return {
cfg = cfg,
base = base,
@@ -820,6 +834,7 @@ return {
closeall = closeallservers,
get_backend = get_backend,
hook_signal = hook_signal,
+ add_task = add_task,
__NAME = SCRIPT_NAME,
__DATE = LAST_MODIFIED,
diff --git a/net/server_select.lua b/net/server_select.lua
index 3503c30d..37d57d29 100644
--- a/net/server_select.lua
+++ b/net/server_select.lua
@@ -31,7 +31,6 @@ local tostring = use "tostring"
--// lua libs //--
-local os = use "os"
local table = use "table"
local string = use "string"
local coroutine = use "coroutine"
@@ -41,6 +40,7 @@ local coroutine = use "coroutine"
local math_min = math.min
local math_huge = math.huge
local table_concat = table.concat
+local table_insert = table.insert
local string_sub = string.sub
local coroutine_wrap = coroutine.wrap
local coroutine_yield = coroutine.yield
@@ -56,7 +56,6 @@ local getaddrinfo = luasocket.dns.getaddrinfo
local ssl_wrap = ( has_luasec and luasec.wrap )
local socket_bind = luasocket.bind
-local socket_sleep = luasocket.sleep
local socket_select = luasocket.select
--// functions //--
@@ -101,7 +100,6 @@ local _sendtraffic
local _readtraffic
local _selecttimeout
-local _sleeptime
local _tcpbacklog
local _accepretry
@@ -115,8 +113,6 @@ local _checkinterval
local _sendtimeout
local _readtimeout
-local _timer
-
local _maxselectlen
local _maxfd
@@ -142,7 +138,6 @@ _sendtraffic = 0 -- some stats
_readtraffic = 0
_selecttimeout = 1 -- timeout of socket.select
-_sleeptime = 0 -- time to wait at the end of every loop
_tcpbacklog = 128 -- some kind of hint to the OS
_accepretry = 10 -- seconds to wait until the next attempt of a full server to accept
@@ -302,7 +297,6 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
local bufferqueuelen = 0 -- end of buffer array
local toclose
- local fatalerror
local needtls
local bufferlen = 0
@@ -517,7 +511,6 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
return dispatch( handler, buffer, err )
else -- connections was closed or fatal error
out_put( "server.lua: client ", tostring(ip), ":", tostring(clientport), " read error: ", tostring(err) )
- fatalerror = true
_ = handler and handler:force_close( err )
return false
end
@@ -557,7 +550,6 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
return true
else -- connection was closed during sending or fatal error
out_put( "server.lua: client ", tostring(ip), ":", tostring(clientport), " write error: ", tostring(err) )
- fatalerror = true
_ = handler and handler:force_close( err )
return false
end
@@ -806,7 +798,6 @@ end
getsettings = function( )
return {
select_timeout = _selecttimeout;
- select_sleep_time = _sleeptime;
tcp_backlog = _tcpbacklog;
max_send_buffer_size = _maxsendlen;
max_receive_buffer_size = _maxreadlen;
@@ -825,7 +816,6 @@ changesettings = function( new )
return nil, "invalid settings table"
end
_selecttimeout = tonumber( new.select_timeout ) or _selecttimeout
- _sleeptime = tonumber( new.select_sleep_time ) or _sleeptime
_maxsendlen = tonumber( new.max_send_buffer_size ) or _maxsendlen
_maxreadlen = tonumber( new.max_receive_buffer_size ) or _maxreadlen
_checkinterval = tonumber( new.select_idle_check_interval ) or _checkinterval
@@ -848,6 +838,49 @@ addtimer = function( listener )
return true
end
+local add_task do
+ local data = {};
+ local new_data = {};
+
+ function add_task(delay, callback)
+ local current_time = luasocket_gettime();
+ delay = delay + current_time;
+ if delay >= current_time then
+ table_insert(new_data, {delay, callback});
+ else
+ local r = callback(current_time);
+ if r and type(r) == "number" then
+ return add_task(r, callback);
+ end
+ end
+ end
+
+ addtimer(function(current_time)
+ if #new_data > 0 then
+ for _, d in pairs(new_data) do
+ table_insert(data, d);
+ end
+ new_data = {};
+ end
+
+ local next_time = math_huge;
+ for i, d in pairs(data) do
+ local t, callback = d[1], d[2];
+ if t <= current_time then
+ data[i] = nil;
+ local r = callback(current_time);
+ if type(r) == "number" then
+ add_task(r, callback);
+ next_time = math_min(next_time, r);
+ end
+ else
+ next_time = math_min(next_time, t - current_time);
+ end
+ end
+ return next_time;
+ end);
+end
+
stats = function( )
return _readtraffic, _sendtraffic, _readlistlen, _sendlistlen, _timerlistlen
end
@@ -861,8 +894,15 @@ end
loop = function(once) -- this is the main loop of the program
if quitting then return "quitting"; end
if once then quitting = "once"; end
- local next_timer_time = math_huge;
+ _currenttime = luasocket_gettime( )
repeat
+ -- Fire timers
+ local next_timer_time = math_huge;
+ for i = 1, _timerlistlen do
+ local t = _timerlist[ i ]( _currenttime ) -- fire timers
+ if t then next_timer_time = math_min(next_timer_time, t); end
+ end
+
local read, write, err = socket_select( _readlist, _sendlist, math_min(_selecttimeout, next_timer_time) )
for i, socket in ipairs( write ) do -- send data waiting in writequeues
local handler = _socketlist[ socket ]
@@ -910,27 +950,12 @@ loop = function(once) -- this is the main loop of the program
end
end
- -- Fire timers
- if _currenttime - _timer >= math_min(next_timer_time, 1) then
- next_timer_time = math_huge;
- for i = 1, _timerlistlen do
- local t = _timerlist[ i ]( _currenttime ) -- fire timers
- if t then next_timer_time = math_min(next_timer_time, t); end
- end
- _timer = _currenttime
- else
- next_timer_time = next_timer_time - (_currenttime - _timer);
- end
-
for server, paused_time in pairs( _fullservers ) do
if _currenttime - paused_time > _accepretry then
_fullservers[ server ] = nil;
server.resume();
end
end
-
- -- wait some time (0 by default)
- socket_sleep( _sleeptime )
until quitting;
if once and quitting == "once" then quitting = nil; return; end
closeall();
@@ -977,16 +1002,14 @@ local addclient = function( address, port, listeners, pattern, sslctx, typ )
elseif sslctx and not has_luasec then
err = "luasec not found"
end
- if not typ then
+ if getaddrinfo and not typ then
local addrinfo, err = getaddrinfo(address)
if not addrinfo then return nil, err end
if addrinfo[1] and addrinfo[1].family == "inet6" then
typ = "tcp6"
- else
- typ = "tcp"
end
end
- local create = luasocket[typ]
+ local create = luasocket[typ or "tcp"]
if type( create ) ~= "function" then
err = "invalid socket type"
end
@@ -1002,22 +1025,19 @@ local addclient = function( address, port, listeners, pattern, sslctx, typ )
end
client:settimeout( 0 )
local ok, err = client:connect( address, port )
- if ok or err == "timeout" then
+ if ok or err == "timeout" or err == "Operation already in progress" then
return wrapclient( client, address, port, listeners, pattern, sslctx )
else
return nil, err
end
end
---// EXPERIMENTAL //--
-
----------------------------------// BEGIN //--
use "setmetatable" ( _socketlist, { __mode = "k" } )
use "setmetatable" ( _readtimes, { __mode = "k" } )
use "setmetatable" ( _writetimes, { __mode = "k" } )
-_timer = luasocket_gettime( )
_starttime = luasocket_gettime( )
local function setlogger(new_logger)
@@ -1032,6 +1052,7 @@ end
return {
_addtimer = addtimer,
+ add_task = add_task;
addclient = addclient,
wrapclient = wrapclient,
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-13 05:58:57 +0000