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"
26 EPollEngine::EPollEngine()
28 EngineHandle = epoll_create(MAX_DESCRIPTORS);
30 if (EngineHandle == -1)
32 log(SPARSE,"ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
33 log(SPARSE,"ERROR: this is a fatal error, exiting now.");
34 printf("ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
35 printf("ERROR: this is a fatal error, exiting now.");
41 EPollEngine::~EPollEngine()
46 bool EPollEngine::AddFd(int fd, bool readable, char type)
48 if ((fd < 0) || (fd > MAX_DESCRIPTORS))
50 log(DEFAULT,"ERROR: FD of %d added above max of %d",fd,MAX_DESCRIPTORS);
53 if (GetRemainingFds() <= 1)
55 log(DEFAULT,"ERROR: System out of file descriptors!");
61 log(DEBUG,"Set readbit");
64 log(DEBUG,"Add socket %d",fd);
66 struct epoll_event ev;
67 memset(&ev,0,sizeof(struct epoll_event));
68 log(DEBUG,"epoll: Add socket to events, ep=%d socket=%d",EngineHandle,fd);
69 readable ? ev.events = EPOLLIN : ev.events = EPOLLOUT;
71 int i = epoll_ctl(EngineHandle, EPOLL_CTL_ADD, fd, &ev);
74 log(DEBUG,"epoll: List insertion failure!");
82 bool EPollEngine::DelFd(int fd)
84 log(DEBUG,"EPollEngine::DelFd(%d)",fd);
86 if ((fd < 0) || (fd > MAX_DESCRIPTORS))
89 struct epoll_event ev;
90 memset(&ev,0,sizeof(struct epoll_event));
91 ref[fd] && X_READBIT ? ev.events = EPOLLIN : ev.events = EPOLLOUT;
93 int i = epoll_ctl(EngineHandle, EPOLL_CTL_DEL, fd, &ev);
96 log(DEBUG,"epoll: List deletion failure!");
105 int EPollEngine::GetMaxFds()
107 return MAX_DESCRIPTORS;
110 int EPollEngine::GetRemainingFds()
112 return MAX_DESCRIPTORS - CurrentSetSize;
115 int EPollEngine::Wait(int* fdlist)
119 int i = epoll_wait(EngineHandle, events, MAX_DESCRIPTORS, 50);
120 for (int j = 0; j < i; j++)
121 fdlist[result++] = events[j].data.fd;
126 std::string EPollEngine::GetName()