* | Inspire Internet Relay Chat Daemon |
* +------------------------------------+
*
- * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
- * E-mail:
- * <brain@chatspike.net>
- * <Craig@chatspike.net>
+ * InspIRCd: (C) 2002-2007 InspIRCd Development Team
+ * See: http://www.inspircd.org/wiki/index.php/Credits
*
- * Written by Craig Edwards, Craig McLure, and others.
* This program is free but copyrighted software; see
* the file COPYING for details.
*
*/
#include "inspircd.h"
+#include "exitcodes.h"
#include <sys/epoll.h>
#include "socketengine_epoll.h"
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(ERROR);
+ ServerInstance->Log(SPARSE,"ERROR: Could not initialize socket engine: %s", strerror(errno));
+ ServerInstance->Log(SPARSE,"ERROR: Your kernel probably does not have the proper features. This is a fatal error, exiting now.");
+ printf("ERROR: Could not initialize socket engine: %s\n", strerror(errno));
+ printf("ERROR: Your kernel probably does not have the proper features. This is a fatal error, exiting now.\n");
+ InspIRCd::Exit(EXIT_STATUS_SOCKETENGINE);
}
CurrentSetSize = 0;
}
{
int fd = eh->GetFd();
if ((fd < 0) || (fd > MAX_DESCRIPTORS))
- {
- ServerInstance->Log(DEFAULT,"ERROR: FD of %d added above max of %d",fd,MAX_DESCRIPTORS);
return false;
- }
+
if (GetRemainingFds() <= 1)
- {
- ServerInstance->Log(DEFAULT,"ERROR: System out of file descriptors!");
return false;
- }
+
if (ref[fd])
- {
- ServerInstance->Log(DEFAULT,"Slot %d already occupied",fd);
return false;
- }
ref[fd] = eh;
-
- ServerInstance->Log(DEBUG,"***** Add socket %d",fd);
-
struct epoll_event ev;
memset(&ev,0,sizeof(struct epoll_event));
- ServerInstance->Log(DEBUG,"epoll: Add socket to events, ep=%d socket=%d",EngineHandle,fd);
eh->Readable() ? ev.events = EPOLLIN : ev.events = EPOLLOUT;
ev.data.fd = fd;
int i = epoll_ctl(EngineHandle, EPOLL_CTL_ADD, fd, &ev);
if (i < 0)
{
- ServerInstance->Log(DEBUG,"epoll: List insertion failure!");
return false;
}
+ ServerInstance->Log(DEBUG,"New file descriptor: %d", fd);
CurrentSetSize++;
return true;
}
-bool EPollEngine::DelFd(EventHandler* eh)
+void EPollEngine::WantWrite(EventHandler* eh)
{
- ServerInstance->Log(DEBUG,"EPollEngine::DelFd(%d)",eh->GetFd());
+ /** Use oneshot so that the system removes the writeable
+ * status for us and saves us a call.
+ */
+ struct epoll_event ev;
+ memset(&ev,0,sizeof(struct epoll_event));
+ ev.events = EPOLLOUT;
+ ev.data.fd = eh->GetFd();
+ epoll_ctl(EngineHandle, EPOLL_CTL_MOD, eh->GetFd(), &ev);
+}
+bool EPollEngine::DelFd(EventHandler* eh, bool force)
+{
int fd = eh->GetFd();
if ((fd < 0) || (fd > MAX_DESCRIPTORS))
return false;
eh->Readable() ? ev.events = EPOLLIN : ev.events = EPOLLOUT;
ev.data.fd = fd;
int i = epoll_ctl(EngineHandle, EPOLL_CTL_DEL, fd, &ev);
- if (i < 0)
- {
- ServerInstance->Log(DEBUG,"epoll: List deletion failure: %s",strerror(errno));
+
+ if (i < 0 && !force)
return false;
- }
CurrentSetSize--;
ref[fd] = NULL;
+
+ ServerInstance->Log(DEBUG,"Remove file descriptor: %d", fd);
return true;
}
int EPollEngine::DispatchEvents()
{
- int i = epoll_wait(EngineHandle, events, MAX_DESCRIPTORS, 50);
+ socklen_t codesize;
+ int errcode;
+ int i = epoll_wait(EngineHandle, events, MAX_DESCRIPTORS, 1000);
for (int j = 0; j < i; j++)
{
- ServerInstance->Log(DEBUG,"Handle %s event on fd %d",ref[events[j].data.fd]->Readable() ? "read" : "write", ref[events[j].data.fd]->GetFd());
- ref[events[j].data.fd]->HandleEvent(ref[events[j].data.fd]->Readable() ? EVENT_READ : EVENT_WRITE);
+ if (events[j].events & EPOLLHUP)
+ {
+ if (ref[events[j].data.fd])
+ ref[events[j].data.fd]->HandleEvent(EVENT_ERROR, 0);
+ continue;
+ }
+ if (events[j].events & EPOLLERR)
+ {
+ /* Get error number */
+ if (getsockopt(events[j].data.fd, SOL_SOCKET, SO_ERROR, &errcode, &codesize) < 0)
+ errcode = errno;
+ if (ref[events[j].data.fd])
+ ref[events[j].data.fd]->HandleEvent(EVENT_ERROR, errcode);
+ continue;
+ }
+ if (events[j].events & EPOLLOUT)
+ {
+ struct epoll_event ev;
+ memset(&ev,0,sizeof(struct epoll_event));
+ ev.events = EPOLLIN;
+ ev.data.fd = events[j].data.fd;
+ epoll_ctl(EngineHandle, EPOLL_CTL_MOD, events[j].data.fd, &ev);
+ if (ref[events[j].data.fd])
+ ref[events[j].data.fd]->HandleEvent(EVENT_WRITE);
+ }
+ else
+ {
+ if (ref[events[j].data.fd])
+ ref[events[j].data.fd]->HandleEvent(EVENT_READ);
+ }
}
return i;