X-Git-Url: https://git.enpas.org/?a=blobdiff_plain;f=net%2Fserver_select.lua;h=98e9f8475cf8c932b90742dac26b01bd6054b3c2;hb=c36630d8de110bbe7e237baa7d67ee604147b688;hp=f123f4b76cb14c6eb691af51eb715fe58c9f9ecb;hpb=c4d2cdb82ad0c54e36c36c8a346d622aa8a4bb87;p=prosody.git diff --git a/net/server_select.lua b/net/server_select.lua index f123f4b7..98e9f847 100644 --- a/net/server_select.lua +++ b/net/server_select.lua @@ -101,6 +101,7 @@ local _readtraffic local _selecttimeout local _sleeptime +local _tcpbacklog local _starttime local _currenttime @@ -139,15 +140,17 @@ _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 _maxsendlen = 51000 * 1024 -- max len of send buffer _maxreadlen = 25000 * 1024 -- max len of read buffer -_checkinterval = 1200000 -- interval in secs to check idle clients +_checkinterval = 30 -- interval in secs to check idle clients _sendtimeout = 60000 -- allowed send idle time in secs _readtimeout = 6 * 60 * 60 -- allowed read idle time in secs -_maxfd = luasocket._SETSIZE or 1024 -- We should ignore this on Windows. Perhaps by simply setting it to math.huge or something. +local is_windows = package.config:sub(1,1) == "\\" -- check the directory separator, to detemine whether this is Windows +_maxfd = (is_windows and math.huge) or luasocket._SETSIZE or 1024 -- max fd number, limit to 1024 by default to prevent glibc buffer overflow, but not on Windows _maxselectlen = luasocket._SETSIZE or 1024 -- But this still applies on Windows _maxsslhandshake = 30 -- max handshake round-trips @@ -211,7 +214,7 @@ wrapserver = function( listeners, socket, ip, serverport, pattern, sslctx ) -- t handler.resume = function( ) if handler.paused then if not socket then - socket = socket_bind( ip, serverport ); + socket = socket_bind( ip, serverport, _tcpbacklog ); socket:settimeout( 0 ) end _readlistlen = addsocket(_readlist, socket, _readlistlen) @@ -243,7 +246,7 @@ wrapserver = function( listeners, socket, ip, serverport, pattern, sslctx ) -- t end connections = connections + 1 out_put( "server.lua: accepted new client connection from ", tostring(ip), ":", tostring(clientport), " to ", tostring(serverport)) - if dispatch then + if dispatch and not sslctx then -- SSL connections will notify onconnect when handshake completes return dispatch( handler ); end return; @@ -260,7 +263,9 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport if socket:getfd() >= _maxfd then out_error("server.lua: Disallowed FD number: "..socket:getfd()) -- PROTIP: Switch to libevent socket:close( ) -- Should we send some kind of error here? - server.pause( ) + if server then + server.pause( ) + end return nil, nil, "fd-too-large" end socket:settimeout( 0 ) @@ -551,6 +556,9 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport handler.readbuffer = _readbuffer -- when handshake is done, replace the handshake function with regular functions handler.sendbuffer = _sendbuffer _ = status and status( handler, "ssl-handshake-complete" ) + if self.autostart_ssl and listeners.onconnect then + listeners.onconnect(self); + end _readlistlen = addsocket(_readlist, client, _readlistlen) return true else @@ -569,7 +577,7 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport end out_put( "server.lua: ssl handshake error: ", tostring(err or "handshake too long") ) _ = handler and handler:force_close("ssl handshake failed") - return false, err -- handshake failed + return false, err -- handshake failed end ) end @@ -613,7 +621,7 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport handler.readbuffer = handshake handler.sendbuffer = handshake - return handshake( socket ) -- do handshake + return handshake( socket ) -- do handshake end end @@ -629,10 +637,10 @@ wrapconnection = function( server, listeners, socket, ip, serverport, clientport if sslctx and luasec then out_put "server.lua: auto-starting ssl negotiation..." handler.autostart_ssl = true; - local ok, err = handler:starttls(sslctx); - if ok == false then - return nil, nil, err - end + local ok, err = handler:starttls(sslctx); + if ok == false then + return nil, nil, err + end end return handler, socket @@ -717,7 +725,7 @@ addserver = function( addr, port, listeners, pattern, sslctx ) -- this function return nil, err end addr = addr or "*" - local server, err = socket_bind( addr, port ) + local server, err = socket_bind( addr, port, _tcpbacklog ) if err then out_error( "server.lua, [", addr, "]:", port, ": ", err ) return nil, err @@ -769,6 +777,7 @@ getsettings = function( ) return { select_timeout = _selecttimeout; select_sleep_time = _sleeptime; + tcp_backlog = _tcpbacklog; max_send_buffer_size = _maxsendlen; max_receive_buffer_size = _maxreadlen; select_idle_check_interval = _checkinterval; @@ -789,6 +798,7 @@ changesettings = function( new ) _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 + _tcpbacklog = tonumber( new.tcp_backlog ) or _tcpbacklog _sendtimeout = tonumber( new.send_timeout ) or _sendtimeout _readtimeout = tonumber( new.read_timeout ) or _readtimeout _maxselectlen = new.max_connections or _maxselectlen @@ -846,6 +856,28 @@ loop = function(once) -- this is the main loop of the program _closelist[ handler ] = nil; end _currenttime = luasocket_gettime( ) + + -- Check for socket timeouts + local difftime = os_difftime( _currenttime - _starttime ) + if difftime > _checkinterval then + _starttime = _currenttime + for handler, timestamp in pairs( _writetimes ) do + if os_difftime( _currenttime - timestamp ) > _sendtimeout then + handler.disconnect( )( handler, "send timeout" ) + handler:force_close() -- forced disconnect + end + end + for handler, timestamp in pairs( _readtimes ) do + if os_difftime( _currenttime - timestamp ) > _readtimeout then + if not(handler.onreadtimeout) or handler:onreadtimeout() ~= true then + handler.disconnect( )( handler, "read timeout" ) + handler:close( ) -- forced disconnect? + end + end + end + end + + -- Fire timers if _currenttime - _timer >= math_min(next_timer_time, 1) then next_timer_time = math_huge; for i = 1, _timerlistlen do @@ -856,8 +888,9 @@ loop = function(once) -- this is the main loop of the program else next_timer_time = next_timer_time - (_currenttime - _timer); end - socket_sleep( _sleeptime ) -- wait some time - --collectgarbage( ) + + -- wait some time (0 by default) + socket_sleep( _sleeptime ) until quitting; if once and quitting == "once" then quitting = nil; return; end return "quitting" @@ -921,28 +954,6 @@ use "setmetatable" ( _writetimes, { __mode = "k" } ) _timer = luasocket_gettime( ) _starttime = luasocket_gettime( ) -addtimer( function( ) - local difftime = os_difftime( _currenttime - _starttime ) - if difftime > _checkinterval then - _starttime = _currenttime - for handler, timestamp in pairs( _writetimes ) do - if os_difftime( _currenttime - timestamp ) > _sendtimeout then - --_writetimes[ handler ] = nil - handler.disconnect( )( handler, "send timeout" ) - handler:force_close() -- forced disconnect - end - end - for handler, timestamp in pairs( _readtimes ) do - if os_difftime( _currenttime - timestamp ) > _readtimeout then - --_readtimes[ handler ] = nil - handler.disconnect( )( handler, "read timeout" ) - handler:close( ) -- forced disconnect? - end - end - end - end -) - local function setlogger(new_logger) local old_logger = log; if new_logger then