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[user/henk/code/inspircd.git] / src / socketengine.cpp
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  *       | Inspire Internet Relay Chat Daemon |
  *       +------------------------------------+
  *
- *  Inspire is copyright (C) 2002-2005 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_config.h"
-#include "globals.h"
 #include "inspircd.h"
-#ifdef USE_EPOLL
-#include <sys/epoll.h>
-#define EP_DELAY 5
-#endif
-#ifdef USE_KQUEUE
-#include <sys/types.h>
-#include <sys/event.h>
-#include <sys/time.h>
-#endif
-#include <vector>
-#include <string>
 #include "socketengine.h"
 
-char ref[65535];
+int EventHandler::GetFd()
+{
+       return this->fd;
+}
 
-SocketEngine::SocketEngine()
+void EventHandler::SetFd(int FD)
 {
-       log(DEBUG,"SocketEngine::SocketEngine()");
-#ifdef USE_EPOLL
-       EngineHandle = epoll_create(65535);
-#endif
-#ifdef USE_KQUEUE
-       EngineHandle = kqueue();
-#endif
+       this->fd = FD;
 }
 
-SocketEngine::~SocketEngine()
+bool EventHandler::Readable()
 {
-       log(DEBUG,"SocketEngine::~SocketEngine()");
-#ifdef USE_EPOLL
-       close(EngineHandle);
-#endif
-#ifdef USE_KQUEUE
-       close(EngineHandle);
-#endif
+       return true;
 }
 
-char SocketEngine::GetType(int fd)
+bool EventHandler::Writeable()
 {
-       if ((fd < 0) || (fd > 65535))
-               return X_EMPTY_SLOT;
-       /* Mask off the top bit used for 'read/write' state */
-       return (ref[fd] & ~0x80);
+       return false;
 }
 
-bool SocketEngine::AddFd(int fd, bool readable, char type)
+void SocketEngine::WantWrite(EventHandler* eh)
 {
-       if ((fd < 0) || (fd > 65535))
-               return false;
-       this->fds.push_back(fd);
-       ref[fd] = type;
-       if (readable)
-       {
-               log(DEBUG,"Set readbit");
-               ref[fd] |= X_READBIT;
-       }
-       log(DEBUG,"Add socket %d",fd);
-#ifdef USE_EPOLL
-       struct epoll_event ev;
-       log(DEBUG,"epoll: Add socket to events, ep=%d socket=%d",EngineHandle,fd);
-       readable ? ev.events = EPOLLIN | EPOLLET : ev.events = EPOLLOUT | EPOLLET;
-       ev.data.fd = fd;
-       int i = epoll_ctl(EngineHandle, EPOLL_CTL_ADD, fd, &ev);
-       if (i < 0)
-       {
-               log(DEBUG,"epoll: List insertion failure!");
-               return false;
-       }
-#endif
-#ifdef USE_KQUEUE
-       struct kevent ke;
-       log(DEBUG,"kqueue: Add socket to events, kq=%d socket=%d",EngineHandle,fd);
-       EV_SET(&ke, fd, readable ? EVFILT_READ : EVFILT_WRITE, EV_ADD, 0, 0, NULL);
-       int i = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
-       if (i == -1)
-       {
-               log(DEBUG,"kqueue: List insertion failure!");
-               return false;
-       }
-#endif
-return true;
 }
 
-bool SocketEngine::DelFd(int fd)
+SocketEngine::SocketEngine(InspIRCd* Instance) : ServerInstance(Instance)
 {
-       log(DEBUG,"SocketEngine::DelFd(%d)",fd);
+       memset(ref, 0, sizeof(ref));
+}
 
-       if ((fd < 0) || (fd > 65535))
-               return false;
+SocketEngine::~SocketEngine()
+{
+}
 
-       bool found = false;
-       for (std::vector<int>::iterator i = fds.begin(); i != fds.end(); i++)
-       {
-               if (*i == fd)
-               {
-                       fds.erase(i);
-                       log(DEBUG,"Deleted fd %d",fd);
-                       found = true;
-                       break;
-               }
-       }
-#ifdef USE_KQUEUE
-       struct kevent ke;
-       EV_SET(&ke, fd, ref[fd] & X_READBIT ? EVFILT_READ : EVFILT_WRITE, EV_DELETE, 0, 0, NULL);
-       int i = kevent(EngineHandle, &ke, 1, 0, 0, NULL);
-       if (i == -1)
-       {
-               log(DEBUG,"kqueue: Failed to remove socket from queue!");
-               return false;
-       }
-#endif
-#ifdef USE_EPOLL
-       struct epoll_event ev;
-       ref[fd] && X_READBIT ? ev.events = EPOLLIN | EPOLLET : ev.events = EPOLLOUT | EPOLLET;
-       ev.data.fd = fd;
-       int i = epoll_ctl(EngineHandle, EPOLL_CTL_DEL, fd, &ev);
-       if (i < 0)
-       {
-               log(DEBUG,"epoll: List deletion failure!");
+bool SocketEngine::AddFd(EventHandler* eh)
+{
+       return true;
+}
+
+bool SocketEngine::HasFd(int fd)
+{
+       if ((fd < 0) || (fd > MAX_DESCRIPTORS))
                return false;
-       }
-#endif
-       ref[fd] = 0;
-       return found;
+       return ref[fd];
+}
+
+EventHandler* SocketEngine::GetRef(int fd)
+{
+       if ((fd < 0) || (fd > MAX_DESCRIPTORS))
+               return 0;
+       return ref[fd];
 }
 
-bool SocketEngine::Wait(std::vector<int> &fdlist)
+bool SocketEngine::DelFd(EventHandler* eh, bool force)
 {
-       fdlist.clear();
-#ifdef USE_SELECT
-       FD_ZERO(&wfdset);
-       FD_ZERO(&rfdset);
-       timeval tval;
-       int sresult;
-       for (unsigned int a = 0; a < fds.size(); a++)
-       {
-               if (ref[fds[a]] & X_READBIT)
-               {
-                       FD_SET (fds[a], &rfdset);
-               }
-               else
-               {
-                       FD_SET (fds[a], &wfdset);
-               }
-               
-       }
-       tval.tv_sec = 0;
-       tval.tv_usec = 100L;
-       sresult = select(FD_SETSIZE, &rfdset, &wfdset, NULL, &tval);
-       if (sresult > 0)
-       {
-               for (unsigned int a = 0; a < fds.size(); a++)
-               {
-                       if ((FD_ISSET (fds[a], &rfdset)) || (FD_ISSET (fds[a], &wfdset)))
-                               fdlist.push_back(fds[a]);
-               }
-       }
-#endif
-#ifdef USE_KQUEUE
-       ts.tv_nsec = 10000L;
-       ts.tv_sec = 0;
-       int i = kevent(EngineHandle, NULL, 0, &ke_list[0], 65535, &ts);
-       for (int j = 0; j < i; j++)
-               fdlist.push_back(ke_list[j].ident);
-#endif
-#ifdef USE_EPOLL
-       int i = epoll_wait(EngineHandle, events, 65535, 100);
-       for (int j = 0; j < i; j++)
-               fdlist.push_back(events[j].data.fd);
-#endif
        return true;
 }
 
+int SocketEngine::GetMaxFds()
+{
+       return 0;
+}
+
+int SocketEngine::GetRemainingFds()
+{
+       return 0;
+}
+
+int SocketEngine::DispatchEvents()
+{
+       return 0;
+}
+
 std::string SocketEngine::GetName()
 {
-#ifdef USE_SELECT
-       return "select";
-#endif
-#ifdef USE_KQUEUE
-       return "kqueue";
-#endif
-#ifdef USE_EPOLL
-       return "epoll";
-#endif
        return "misconfigured";
 }
+