From bab14f0dd2345c9d7dcbc47c918563709e1ac094 Mon Sep 17 00:00:00 2001
From: peavey
Date: Mon, 16 Jul 2007 17:14:45 +0000
Subject: 'svn propset -R svn:eol-style CR *' Set to UNIX-style always.
 Binaries are auto skipped by svn.

git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@7454 e03df62e-2008-0410-955e-edbf42e46eb7
---
 src/socketengine_kqueue.cpp | 159 +-------------------------------------------
 1 file changed, 1 insertion(+), 158 deletions(-)

(limited to 'src/socketengine_kqueue.cpp')

diff --git a/src/socketengine_kqueue.cpp b/src/socketengine_kqueue.cpp
index 7fcdae2b6..de9a78f4e 100644
--- a/src/socketengine_kqueue.cpp
+++ b/src/socketengine_kqueue.cpp
@@ -1,158 +1 @@
-/*       +------------------------------------+
- *       | Inspire Internet Relay Chat Daemon |
- *       +------------------------------------+
- *
- *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
- * See: http://www.inspircd.org/wiki/index.php/Credits
- *
- * This program is free but copyrighted software; see
- *            the file COPYING for details.
- *
- * ---------------------------------------------------
- */
-
-#include "inspircd.h"
-#include "exitcodes.h"
-#include <sys/types.h>
-#include <sys/event.h>
-#include <sys/time.h>
-#include "socketengine_kqueue.h"
-
-
-KQueueEngine::KQueueEngine(InspIRCd* Instance) : SocketEngine(Instance)
-{
-	EngineHandle = kqueue();
-	if (EngineHandle == -1)
-	{
-		ServerInstance->Log(SPARSE,"ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
-		ServerInstance->Log(SPARSE,"ERROR: this is a fatal error, exiting now.");
-		printf("ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
-		printf("ERROR: this is a fatal error, exiting now.");
-		InspIRCd::Exit(EXIT_STATUS_SOCKETENGINE);
-	}
-	CurrentSetSize = 0;
-}
-
-KQueueEngine::~KQueueEngine()
-{
-	close(EngineHandle);
-}
-
-bool KQueueEngine::AddFd(EventHandler* eh)
-{
-	int fd = eh->GetFd();
-
-	if ((fd < 0) || (fd > MAX_DESCRIPTORS))
-		return false;
-
-	if (GetRemainingFds() <= 1)
-		return false;
-
-	if (ref[fd])
-		return false;
-
-	ref[fd] = eh;
-
-	struct kevent ke;
-	EV_SET(&ke, fd, eh->Readable() ? EVFILT_READ : EVFILT_WRITE, EV_ADD, 0, 0, NULL);
-
-	int i = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
-	if (i == -1)
-		return false;
-
-	CurrentSetSize++;
-
-	ServerInstance->Log(DEBUG,"New file descriptor: %d", fd);
-	return true;
-}
-
-bool KQueueEngine::DelFd(EventHandler* eh, bool force)
-{
-	int fd = eh->GetFd();
-
-	if ((fd < 0) || (fd > MAX_DESCRIPTORS))
-		return false;
-
-	struct kevent ke;
-	EV_SET(&ke, eh->GetFd(), EVFILT_READ, EV_DELETE, 0, 0, NULL);
-
-	int i = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
-
-	EV_SET(&ke, eh->GetFd(), EVFILT_WRITE, EV_DELETE, 0, 0, NULL);
-
-	int j = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
-
-	if ((j < 0) && (i < 0) && !force)
-		return false;
-
-	CurrentSetSize--;
-	ref[fd] = NULL;
-
-	ServerInstance->Log(DEBUG,"Remove file descriptor: %d", fd);
-	return true;
-}
-
-void KQueueEngine::WantWrite(EventHandler* eh)
-{
-	/** When changing an item in a kqueue, there is no 'modify' call
-	 * as in epoll. Instead, we add the item again, and this overwrites
-	 * the original setting rather than adding it twice. See man kqueue.
-	 */
-	struct kevent ke;
-	EV_SET(&ke, eh->GetFd(), EVFILT_WRITE, EV_ADD | EV_ONESHOT, 0, 0, NULL);
-	kevent(EngineHandle, &ke, 1, 0, 0, NULL);
-}
-
-int KQueueEngine::GetMaxFds()
-{
-	return MAX_DESCRIPTORS;
-}
-
-int KQueueEngine::GetRemainingFds()
-{
-	return MAX_DESCRIPTORS - CurrentSetSize;
-}
-
-int KQueueEngine::DispatchEvents()
-{
-	ts.tv_nsec = 0;
-	ts.tv_sec = 1;
-	int i = kevent(EngineHandle, NULL, 0, &ke_list[0], MAX_DESCRIPTORS, &ts);
-	for (int j = 0; j < i; j++)
-	{
-		if (ke_list[j].flags & EV_EOF)
-		{
-			/* We love you kqueue, oh yes we do *sings*!
-			 * kqueue gives us the error number directly in the EOF state!
-			 * Unlike smelly epoll and select, where we have to getsockopt
-			 * to get the error, this saves us time and cpu cycles. Go BSD!
-			 */
-			if (ref[ke_list[j].ident])
-				ref[ke_list[j].ident]->HandleEvent(EVENT_ERROR, ke_list[j].fflags);
-			continue;
-		}
-		if (ke_list[j].flags & EVFILT_WRITE)
-		{
-			/* This looks wrong but its right. As above, theres no modify
-			 * call in kqueue. See the manpage.
-			 */
-			struct kevent ke;
-			EV_SET(&ke, ke_list[j].ident, EVFILT_READ, EV_ADD, 0, 0, NULL);
-			kevent(EngineHandle, &ke, 1, 0, 0, NULL);
-			if (ref[ke_list[j].ident])
-				ref[ke_list[j].ident]->HandleEvent(EVENT_WRITE);
-		}
-		else
-		{
-			if (ref[ke_list[j].ident])
-				ref[ke_list[j].ident]->HandleEvent(EVENT_READ);
-		}
-	}
-
-	return i;
-}
-
-std::string KQueueEngine::GetName()
-{
-	return "kqueue";
-}
+/*       +------------------------------------+
 *       | Inspire Internet Relay Chat Daemon |
 *       +------------------------------------+
 *
 *  InspIRCd: (C) 2002-2007 InspIRCd Development Team
 * See: http://www.inspircd.org/wiki/index.php/Credits
 *
 * This program is free but copyrighted software; see
 *            the file COPYING for details.
 *
 * ---------------------------------------------------
 */

#include "inspircd.h"
#include "exitcodes.h"
#include <sys/types.h>
#include <sys/event.h>
#include <sys/time.h>
#include "socketengine_kqueue.h"


KQueueEngine::KQueueEngine(InspIRCd* Instance) : SocketEngine(Instance)
{
	EngineHandle = kqueue();
	if (EngineHandle == -1)
	{
		ServerInstance->Log(SPARSE,"ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
		ServerInstance->Log(SPARSE,"ERROR: this is a fatal error, exiting now.");
		printf("ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
		printf("ERROR: this is a fatal error, exiting now.");
		InspIRCd::Exit(EXIT_STATUS_SOCKETENGINE);
	}
	CurrentSetSize = 0;
}

KQueueEngine::~KQueueEngine()
{
	close(EngineHandle);
}

bool KQueueEngine::AddFd(EventHandler* eh)
{
	int fd = eh->GetFd();

	if ((fd < 0) || (fd > MAX_DESCRIPTORS))
		return false;

	if (GetRemainingFds() <= 1)
		return false;

	if (ref[fd])
		return false;

	ref[fd] = eh;

	struct kevent ke;
	EV_SET(&ke, fd, eh->Readable() ? EVFILT_READ : EVFILT_WRITE, EV_ADD, 0, 0, NULL);

	int i = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
	if (i == -1)
		return false;

	CurrentSetSize++;

	ServerInstance->Log(DEBUG,"New file descriptor: %d", fd);
	return true;
}

bool KQueueEngine::DelFd(EventHandler* eh, bool force)
{
	int fd = eh->GetFd();

	if ((fd < 0) || (fd > MAX_DESCRIPTORS))
		return false;

	struct kevent ke;
	EV_SET(&ke, eh->GetFd(), EVFILT_READ, EV_DELETE, 0, 0, NULL);

	int i = kevent(EngineHandle, &ke, 1, 0, 0, NULL);

	EV_SET(&ke, eh->GetFd(), EVFILT_WRITE, EV_DELETE, 0, 0, NULL);

	int j = kevent(EngineHandle, &ke, 1, 0, 0, NULL);

	if ((j < 0) && (i < 0) && !force)
		return false;

	CurrentSetSize--;
	ref[fd] = NULL;

	ServerInstance->Log(DEBUG,"Remove file descriptor: %d", fd);
	return true;
}

void KQueueEngine::WantWrite(EventHandler* eh)
{
	/** When changing an item in a kqueue, there is no 'modify' call
	 * as in epoll. Instead, we add the item again, and this overwrites
	 * the original setting rather than adding it twice. See man kqueue.
	 */
	struct kevent ke;
	EV_SET(&ke, eh->GetFd(), EVFILT_WRITE, EV_ADD | EV_ONESHOT, 0, 0, NULL);
	kevent(EngineHandle, &ke, 1, 0, 0, NULL);
}

int KQueueEngine::GetMaxFds()
{
	return MAX_DESCRIPTORS;
}

int KQueueEngine::GetRemainingFds()
{
	return MAX_DESCRIPTORS - CurrentSetSize;
}

int KQueueEngine::DispatchEvents()
{
	ts.tv_nsec = 0;
	ts.tv_sec = 1;
	int i = kevent(EngineHandle, NULL, 0, &ke_list[0], MAX_DESCRIPTORS, &ts);
	for (int j = 0; j < i; j++)
	{
		if (ke_list[j].flags & EV_EOF)
		{
			/* We love you kqueue, oh yes we do *sings*!
			 * kqueue gives us the error number directly in the EOF state!
			 * Unlike smelly epoll and select, where we have to getsockopt
			 * to get the error, this saves us time and cpu cycles. Go BSD!
			 */
			if (ref[ke_list[j].ident])
				ref[ke_list[j].ident]->HandleEvent(EVENT_ERROR, ke_list[j].fflags);
			continue;
		}
		if (ke_list[j].flags & EVFILT_WRITE)
		{
			/* This looks wrong but its right. As above, theres no modify
			 * call in kqueue. See the manpage.
			 */
			struct kevent ke;
			EV_SET(&ke, ke_list[j].ident, EVFILT_READ, EV_ADD, 0, 0, NULL);
			kevent(EngineHandle, &ke, 1, 0, 0, NULL);
			if (ref[ke_list[j].ident])
				ref[ke_list[j].ident]->HandleEvent(EVENT_WRITE);
		}
		else
		{
			if (ref[ke_list[j].ident])
				ref[ke_list[j].ident]->HandleEvent(EVENT_READ);
		}
	}

	return i;
}

std::string KQueueEngine::GetName()
{
	return "kqueue";
}
\ No newline at end of file
-- 
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