net.dns: Support for resolving AAAA records

[prosody.git] / net / server_select.lua

diff --git a/net/server_select.lua b/net/server_select.lua
index c6e90d5504cdeecfd6a2d45b03e8bfe5edf11ef1..13a910f8b4ce52a963b4d54f3067d621415c3c56 100644 (file)
--- a/net/server_select.lua
+++ b/net/server_select.lua
@@ -32,6 +32,7 @@ local STAT_UNIT = 1 -- byte
 local type = use "type"
 local pairs = use "pairs"
 local ipairs = use "ipairs"
+local tonumber = use "tonumber"
 local tostring = use "tostring"
 local collectgarbage = use "collectgarbage"
 
@@ -44,8 +45,9 @@ local coroutine = use "coroutine"
 
 --// lua lib methods //--
 
-local os_time = os.time
 local os_difftime = os.difftime
+local math_min = math.min
+local math_huge = math.huge
 local table_concat = table.concat
 local table_remove = table.remove
 local string_len = string.len
@@ -57,6 +59,7 @@ local coroutine_yield = coroutine.yield
 
 local luasec = use "ssl"
 local luasocket = use "socket" or require "socket"
+local luasocket_gettime = luasocket.gettime
 
 --// extern lib methods //--
 
@@ -74,6 +77,7 @@ local stats
 local idfalse
 local addtimer
 local closeall
+local addsocket
 local addserver
 local getserver
 local wrapserver
@@ -125,6 +129,8 @@ local _timer
 
 local _maxclientsperserver
 
+local _maxsslhandshake
+
 ----------------------------------// DEFINITION //--
 
 _server = { } -- key = port, value = table; list of listening servers
@@ -524,7 +530,6 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
                                                _readlistlen = addsocket(_readlist, client, _readlistlen)
                                                return true
                                        else
-                                               out_put( "server.lua: error during ssl handshake: ", tostring(err) )
                                                if err == "wantwrite" and not wrote then
                                                        _sendlistlen = addsocket(_sendlist, client, _sendlistlen)
                                                        wrote = true
@@ -532,6 +537,7 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport
                                                        _readlistlen = addsocket(_readlist, client, _readlistlen)
                                                        read = true
                                                else
+                                                       out_put( "server.lua: ssl handshake error: ", tostring(err) )
                                                        break;
                                                end
                                                --coroutine_yield( handler, nil, err )   -- handshake not finished
@@ -796,8 +802,9 @@ 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;
        repeat
-               local read, write, err = socket_select( _readlist, _sendlist, _selecttimeout )
+               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 ]
                        if handler then
@@ -821,12 +828,16 @@ loop = function(once) -- this is the main loop of the program
                        handler:close( true )    -- forced disconnect
                end
                clean( _closelist )
-               _currenttime = os_time( )
-               if os_difftime( _currenttime - _timer ) >= 1 then
+               _currenttime = luasocket_gettime( )
+               if _currenttime - _timer >= math_min(next_timer_time, 1) then
+                       next_timer_time = math_huge;
                        for i = 1, _timerlistlen do
-                               _timerlist[ i ]( _currenttime ) -- fire timers
+                               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
                socket_sleep( _sleeptime ) -- wait some time
                --collectgarbage( )
@@ -853,8 +864,8 @@ local wrapclient = function( socket, ip, serverport, listeners, pattern, sslctx
                -- When socket is writeable, call onconnect
                local _sendbuffer = handler.sendbuffer;
                handler.sendbuffer = function ()
-                       listeners.onconnect(handler);
                        handler.sendbuffer = _sendbuffer;
+                       listeners.onconnect(handler);
                        -- If there was data with the incoming packet, handle it now.
                        if #handler:bufferqueue() > 0 then
                                return _sendbuffer();
@@ -886,8 +897,8 @@ use "setmetatable" ( _socketlist, { __mode = "k" } )
 use "setmetatable" ( _readtimes, { __mode = "k" } )
 use "setmetatable" ( _writetimes, { __mode = "k" } )
 
-_timer = os_time( )
-_starttime = os_time( )
+_timer = luasocket_gettime( )
+_starttime = luasocket_gettime( )
 
 addtimer( function( )
                local difftime = os_difftime( _currenttime - _starttime )
@@ -928,6 +939,7 @@ return {
        
        loop = loop,
        link = link,
+       step = step,
        stats = stats,
        closeall = closeall,
        addtimer = addtimer,