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authorbrain <brain@e03df62e-2008-0410-955e-edbf42e46eb7>2007-10-23 22:30:25 +0000
committerbrain <brain@e03df62e-2008-0410-955e-edbf42e46eb7>2007-10-23 22:30:25 +0000
commitcbb8fda4a7e763738e9675ec9f96286c87879176 (patch)
tree0ed6862e3b9f5f35ea86ea57e8a799f038523c28 /src/socketengine_kqueue.cpp
parent71e400674fc9abc16b29004eff6fe18dd1c75f4e (diff)
Move socketengines into their own dir. This was all w00t's idea, but i told him no because i didnt think it would work. Now ive done it myself :P ner ner ne ner ner :)
git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@8332 e03df62e-2008-0410-955e-edbf42e46eb7
Diffstat (limited to 'src/socketengine_kqueue.cpp')
-rw-r--r--src/socketengine_kqueue.cpp169
1 files changed, 0 insertions, 169 deletions
diff --git a/src/socketengine_kqueue.cpp b/src/socketengine_kqueue.cpp
deleted file mode 100644
index 50f6242e2..000000000
--- a/src/socketengine_kqueue.cpp
+++ /dev/null
@@ -1,169 +0,0 @@
-/* +------------------------------------+
- * | 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)
-{
- this->RecoverFromFork();
-}
-
-void KQueueEngine::RecoverFromFork()
-{
- /*
- * The only bad thing about kqueue is that its fd cant survive a fork and is not inherited.
- * BUM HATS.
- *
- */
- 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.");
- ServerInstance->Exit(EXIT_STATUS_SOCKETENGINE);
- }
- CurrentSetSize = 0;
-}
-
-KQueueEngine::~KQueueEngine()
-{
- this->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;
-
- 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;
- }
-
- ref[fd] = eh;
- 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";
-}