From e5537b580ca4ed18aed65b3db419695ec5befd5b Mon Sep 17 00:00:00 2001 From: Waqas Hussain Date: Sun, 6 Jan 2013 04:55:53 +0500 Subject: net.server_event: Optimize socket write buffers (don't do buf=buf..newdata). --- net/server_event.lua | 14 +++++++++----- 1 file changed, 9 insertions(+), 5 deletions(-) (limited to 'net') diff --git a/net/server_event.lua b/net/server_event.lua index e69530ff..08926939 100644 --- a/net/server_event.lua +++ b/net/server_event.lua @@ -40,6 +40,9 @@ local tostring = use "tostring" local coroutine = use "coroutine" local setmetatable = use "setmetatable" +local t_insert = table.insert +local t_concat = table.concat + local ssl = use "ssl" local socket = use "socket" or require "socket" @@ -309,7 +312,7 @@ do debug( "error:", err ) -- to much, check your app return nil, err end - self.writebuffer = self.writebuffer .. data -- new buffer + t_insert(self.writebuffer, data) -- new buffer self.writebufferlen = total if not self.eventwrite then -- register new write event --vdebug( "register new write event" ) @@ -466,7 +469,7 @@ do type = "client"; conn = client; currenttime = socket_gettime( ); -- safe the origin - writebuffer = ""; -- writebuffer + writebuffer = {}; -- writebuffer writebufferlen = 0; -- length of writebuffer send = client.send; -- caching table lookups receive = client.receive; @@ -520,10 +523,11 @@ do interface.eventwritetimeout = false end end - local succ, err, byte = interface.conn:send( interface.writebuffer, 1, interface.writebufferlen ) + interface.writebuffer = { t_concat(interface.writebuffer) } + local succ, err, byte = interface.conn:send( interface.writebuffer[1], 1, interface.writebufferlen ) --vdebug( "write data:", interface.writebuffer, "error:", err, "part:", byte ) if succ then -- writing succesful - interface.writebuffer = "" + interface.writebuffer[1] = nil interface.writebufferlen = 0 interface:ondrain(); if interface.fatalerror then @@ -539,7 +543,7 @@ do return -1 elseif byte and (err == "timeout" or err == "wantwrite") then -- want write again --vdebug( "writebuffer is not empty:", err ) - interface.writebuffer = string_sub( interface.writebuffer, byte + 1, interface.writebufferlen ) -- new buffer + interface.writebuffer[1] = string_sub( interface.writebuffer[1], byte + 1, interface.writebufferlen ) -- new buffer interface.writebufferlen = interface.writebufferlen - byte if "wantread" == err then -- happens only with luasec local callback = function( ) -- cgit v1.2.3