X-Git-Url: https://git.netwichtig.de/gitweb/?a=blobdiff_plain;f=src%2Fsocketengines%2Fsocketengine_epoll.cpp;h=efaa682347905077d20775da6b000bd39e7f3706;hb=78db7544d26cdeffeb2bd8045529fe90bd5d852d;hp=a54907fca0d095a06b7f50d4a39385cc24059fb5;hpb=30fec322809582f91be70cc1bb16c9678180db76;p=user%2Fhenk%2Fcode%2Finspircd.git

diff --git a/src/socketengines/socketengine_epoll.cpp b/src/socketengines/socketengine_epoll.cpp
index a54907fca..efaa68234 100644
--- a/src/socketengines/socketengine_epoll.cpp
+++ b/src/socketengines/socketengine_epoll.cpp
@@ -1,8 +1,16 @@
 /*
  * InspIRCd -- Internet Relay Chat Daemon
  *
- *   Copyright (C) 2009 Daniel De Graaf <danieldg@inspircd.org>
- *   Copyright (C) 2007-2008 Craig Edwards <craigedwards@brainbox.cc>
+ *   Copyright (C) 2014-2015 Attila Molnar <attilamolnar@hush.com>
+ *   Copyright (C) 2014, 2016 Adam <Adam@anope.org>
+ *   Copyright (C) 2013, 2017, 2019 Sadie Powell <sadie@witchery.services>
+ *   Copyright (C) 2012 William Pitcock <nenolod@dereferenced.org>
+ *   Copyright (C) 2012 Robby <robby@chatbelgie.be>
+ *   Copyright (C) 2009-2010 Daniel De Graaf <danieldg@inspircd.org>
+ *   Copyright (C) 2008 Thomas Stagner <aquanight@inspircd.org>
+ *   Copyright (C) 2007-2008 Dennis Friis <peavey@inspircd.org>
+ *   Copyright (C) 2007-2008 Craig Edwards <brain@inspircd.org>
+ *   Copyright (C) 2006, 2008 Robin Burchell <robin+git@viroteck.net>
  *
  * This file is part of InspIRCd.  InspIRCd is free software: you can
  * redistribute it and/or modify it under the terms of the GNU General Public
@@ -18,16 +26,10 @@
  */
 
 
-#include <vector>
-#include <string>
-#include <map>
 #include "inspircd.h"
-#include "exitcodes.h"
-#include "socketengine.h"
+
 #include <sys/epoll.h>
-#include <ulimit.h>
-#include <iostream>
-#define EP_DELAY 5
+#include <sys/resource.h>
 
 /** A specialisation of the SocketEngine class, designed to use linux 2.6 epoll().
  */
@@ -37,34 +39,18 @@ namespace
 
 	/** These are used by epoll() to hold socket events
 	 */
-	std::vector<struct epoll_event> events(1);
+	std::vector<struct epoll_event> events(16);
 }
 
 void SocketEngine::Init()
 {
-	int max = ulimit(4, 0);
-	if (max > 0)
-	{
-		MAX_DESCRIPTORS = max;
-	}
-	else
-	{
-		ServerInstance->Logs->Log("SOCKET", LOG_DEFAULT, "ERROR: Can't determine maximum number of open sockets!");
-		std::cout << "ERROR: Can't determine maximum number of open sockets!" << std::endl;
-		ServerInstance->QuickExit(EXIT_STATUS_SOCKETENGINE);
-	}
-
-	// This is not a maximum, just a hint at the eventual number of sockets that may be polled.
-	EngineHandle = epoll_create(GetMaxFds() / 4);
+	LookupMaxFds();
 
+	// 128 is not a maximum, just a hint at the eventual number of sockets that may be polled,
+	// and it is completely ignored by 2.6.8 and later kernels, except it must be larger than zero.
+	EngineHandle = epoll_create(128);
 	if (EngineHandle == -1)
-	{
-		ServerInstance->Logs->Log("SOCKET", LOG_DEFAULT, "ERROR: Could not initialize socket engine: %s", strerror(errno));
-		ServerInstance->Logs->Log("SOCKET", LOG_DEFAULT, "ERROR: Your kernel probably does not have the proper features. This is a fatal error, exiting now.");
-		std::cout << "ERROR: Could not initialize epoll socket engine: " << strerror(errno) << std::endl;
-		std::cout << "ERROR: Your kernel probably does not have the proper features. This is a fatal error, exiting now." << std::endl;
-		ServerInstance->QuickExit(EXIT_STATUS_SOCKETENGINE);
-	}
+		InitError();
 }
 
 void SocketEngine::RecoverFromFork()
@@ -193,7 +179,7 @@ int SocketEngine::DispatchEvents()
 		if (ev.events & EPOLLHUP)
 		{
 			stats.ErrorEvents++;
-			eh->HandleEvent(EVENT_ERROR, 0);
+			eh->OnEventHandlerError(0);
 			continue;
 		}
 
@@ -205,7 +191,7 @@ int SocketEngine::DispatchEvents()
 			int errcode;
 			if (getsockopt(fd, SOL_SOCKET, SO_ERROR, &errcode, &codesize) < 0)
 				errcode = errno;
-			eh->HandleEvent(EVENT_ERROR, errcode);
+			eh->OnEventHandlerError(errcode);
 			continue;
 		}
 
@@ -225,16 +211,14 @@ int SocketEngine::DispatchEvents()
 		eh->SetEventMask(mask);
 		if (ev.events & EPOLLIN)
 		{
-			stats.ReadEvents++;
-			eh->HandleEvent(EVENT_READ);
+			eh->OnEventHandlerRead();
 			if (eh != GetRef(fd))
 				// whoa! we got deleted, better not give out the write event
 				continue;
 		}
 		if (ev.events & EPOLLOUT)
 		{
-			stats.WriteEvents++;
-			eh->HandleEvent(EVENT_WRITE);
+			eh->OnEventHandlerWrite();
 		}
 	}