1 /* +------------------------------------+
2 * | Inspire Internet Relay Chat Daemon |
3 * +------------------------------------+
5 * InspIRCd is copyright (C) 2002-2006 ChatSpike-Dev.
7 * <brain@chatspike.net>
8 * <Craig@chatspike.net>
10 * Written by Craig Edwards, Craig McLure, and others.
11 * This program is free but copyrighted software; see
12 * the file COPYING for details.
14 * ---------------------------------------------------
17 #include "inspircd_config.h"
20 #include <sys/epoll.h>
23 #include "socketengine_epoll.h"
24 #include "helperfuncs.h"
27 EPollEngine::EPollEngine(InspIRCd* Instance) : SocketEngine(Instance)
29 EngineHandle = epoll_create(MAX_DESCRIPTORS);
31 if (EngineHandle == -1)
33 ServerInstance->Log(SPARSE,"ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
34 ServerInstance->Log(SPARSE,"ERROR: this is a fatal error, exiting now.");
35 printf("ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
36 printf("ERROR: this is a fatal error, exiting now.");
37 InspIRCd::Exit(ERROR);
42 EPollEngine::~EPollEngine()
47 bool EPollEngine::AddFd(int fd, bool readable, char type)
49 if ((fd < 0) || (fd > MAX_DESCRIPTORS))
51 ServerInstance->Log(DEFAULT,"ERROR: FD of %d added above max of %d",fd,MAX_DESCRIPTORS);
54 if (GetRemainingFds() <= 1)
56 ServerInstance->Log(DEFAULT,"ERROR: System out of file descriptors!");
66 ServerInstance->Log(DEBUG,"Set readbit");
69 ServerInstance->Log(DEBUG,"Add socket %d",fd);
71 struct epoll_event ev;
72 memset(&ev,0,sizeof(struct epoll_event));
73 ServerInstance->Log(DEBUG,"epoll: Add socket to events, ep=%d socket=%d",EngineHandle,fd);
74 readable ? ev.events = EPOLLIN : ev.events = EPOLLOUT;
76 int i = epoll_ctl(EngineHandle, EPOLL_CTL_ADD, fd, &ev);
79 ServerInstance->Log(DEBUG,"epoll: List insertion failure!");
87 bool EPollEngine::DelFd(int fd)
89 ServerInstance->Log(DEBUG,"EPollEngine::DelFd(%d)",fd);
91 if ((fd < 0) || (fd > MAX_DESCRIPTORS))
94 struct epoll_event ev;
95 memset(&ev,0,sizeof(struct epoll_event));
96 ref[fd] && X_READBIT ? ev.events = EPOLLIN : ev.events = EPOLLOUT;
98 int i = epoll_ctl(EngineHandle, EPOLL_CTL_DEL, fd, &ev);
101 ServerInstance->Log(DEBUG,"epoll: List deletion failure!");
110 int EPollEngine::GetMaxFds()
112 return MAX_DESCRIPTORS;
115 int EPollEngine::GetRemainingFds()
117 return MAX_DESCRIPTORS - CurrentSetSize;
120 int EPollEngine::Wait(int* fdlist)
124 int i = epoll_wait(EngineHandle, events, MAX_DESCRIPTORS, 50);
125 for (int j = 0; j < i; j++)
126 fdlist[result++] = events[j].data.fd;
131 std::string EPollEngine::GetName()