-/* +------------------------------------+\r * | Inspire Internet Relay Chat Daemon |\r * +------------------------------------+\r *\r * InspIRCd: (C) 2002-2007 InspIRCd Development Team\r * See: http://www.inspircd.org/wiki/index.php/Credits\r *\r * This program is free but copyrighted software; see\r * the file COPYING for details.\r *\r * ---------------------------------------------------\r */\r\r#include "inspircd.h"\r#include "exitcodes.h"\r#include <sys/epoll.h>\r#include "socketengine_epoll.h"\r\rEPollEngine::EPollEngine(InspIRCd* Instance) : SocketEngine(Instance)\r{\r EngineHandle = epoll_create(MAX_DESCRIPTORS);\r\r if (EngineHandle == -1)\r {\r ServerInstance->Log(SPARSE,"ERROR: Could not initialize socket engine: %s", strerror(errno));\r ServerInstance->Log(SPARSE,"ERROR: Your kernel probably does not have the proper features. This is a fatal error, exiting now.");\r printf("ERROR: Could not initialize socket engine: %s\n", strerror(errno));\r printf("ERROR: Your kernel probably does not have the proper features. This is a fatal error, exiting now.\n");\r InspIRCd::Exit(EXIT_STATUS_SOCKETENGINE);\r }\r CurrentSetSize = 0;\r}\r\rEPollEngine::~EPollEngine()\r{\r close(EngineHandle);\r}\r\rbool EPollEngine::AddFd(EventHandler* eh)\r{\r int fd = eh->GetFd();\r if ((fd < 0) || (fd > MAX_DESCRIPTORS))\r return false;\r\r if (GetRemainingFds() <= 1)\r return false;\r\r if (ref[fd])\r return false;\r\r ref[fd] = eh;\r struct epoll_event ev;\r memset(&ev,0,sizeof(struct epoll_event));\r eh->Readable() ? ev.events = EPOLLIN : ev.events = EPOLLOUT;\r ev.data.fd = fd;\r int i = epoll_ctl(EngineHandle, EPOLL_CTL_ADD, fd, &ev);\r if (i < 0)\r {\r return false;\r }\r\r ServerInstance->Log(DEBUG,"New file descriptor: %d", fd);\r CurrentSetSize++;\r return true;\r}\r\rvoid EPollEngine::WantWrite(EventHandler* eh)\r{\r /** Use oneshot so that the system removes the writeable\r * status for us and saves us a call.\r */\r struct epoll_event ev;\r memset(&ev,0,sizeof(struct epoll_event));\r ev.events = EPOLLOUT;\r ev.data.fd = eh->GetFd();\r epoll_ctl(EngineHandle, EPOLL_CTL_MOD, eh->GetFd(), &ev);\r}\r\rbool EPollEngine::DelFd(EventHandler* eh, bool force)\r{\r int fd = eh->GetFd();\r if ((fd < 0) || (fd > MAX_DESCRIPTORS))\r return false;\r\r struct epoll_event ev;\r memset(&ev,0,sizeof(struct epoll_event));\r eh->Readable() ? ev.events = EPOLLIN : ev.events = EPOLLOUT;\r ev.data.fd = fd;\r int i = epoll_ctl(EngineHandle, EPOLL_CTL_DEL, fd, &ev);\r\r if (i < 0 && !force)\r return false;\r\r CurrentSetSize--;\r ref[fd] = NULL;\r\r ServerInstance->Log(DEBUG,"Remove file descriptor: %d", fd);\r return true;\r}\r\rint EPollEngine::GetMaxFds()\r{\r return MAX_DESCRIPTORS;\r}\r\rint EPollEngine::GetRemainingFds()\r{\r return MAX_DESCRIPTORS - CurrentSetSize;\r}\r\rint EPollEngine::DispatchEvents()\r{\r socklen_t codesize;\r int errcode;\r int i = epoll_wait(EngineHandle, events, MAX_DESCRIPTORS, 1000);\r for (int j = 0; j < i; j++)\r {\r if (events[j].events & EPOLLHUP)\r {\r if (ref[events[j].data.fd])\r ref[events[j].data.fd]->HandleEvent(EVENT_ERROR, 0);\r continue;\r }\r if (events[j].events & EPOLLERR)\r {\r /* Get error number */\r if (getsockopt(events[j].data.fd, SOL_SOCKET, SO_ERROR, &errcode, &codesize) < 0)\r errcode = errno;\r if (ref[events[j].data.fd])\r ref[events[j].data.fd]->HandleEvent(EVENT_ERROR, errcode);\r continue;\r }\r if (events[j].events & EPOLLOUT)\r {\r struct epoll_event ev;\r memset(&ev,0,sizeof(struct epoll_event));\r ev.events = EPOLLIN;\r ev.data.fd = events[j].data.fd;\r epoll_ctl(EngineHandle, EPOLL_CTL_MOD, events[j].data.fd, &ev);\r if (ref[events[j].data.fd])\r ref[events[j].data.fd]->HandleEvent(EVENT_WRITE);\r }\r else\r {\r if (ref[events[j].data.fd])\r ref[events[j].data.fd]->HandleEvent(EVENT_READ);\r }\r }\r\r return i;\r}\r\rstd::string EPollEngine::GetName()\r{\r return "epoll";\r}\r\r
\ No newline at end of file
+/* +------------------------------------+
+ * | 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/epoll.h>
+#include "socketengine_epoll.h"
+
+EPollEngine::EPollEngine(InspIRCd* Instance) : SocketEngine(Instance)
+{
+ EngineHandle = epoll_create(MAX_DESCRIPTORS);
+
+ if (EngineHandle == -1)
+ {
+ 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;
+}
+
+EPollEngine::~EPollEngine()
+{
+ close(EngineHandle);
+}
+
+bool EPollEngine::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;
+
+ ref[fd] = eh;
+ struct epoll_event ev;
+ memset(&ev,0,sizeof(struct epoll_event));
+ 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)
+ {
+ return false;
+ }
+
+ ServerInstance->Log(DEBUG,"New file descriptor: %d", fd);
+ CurrentSetSize++;
+ return true;
+}
+
+void EPollEngine::WantWrite(EventHandler* eh)
+{
+ /** 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;
+
+ struct epoll_event ev;
+ memset(&ev,0,sizeof(struct epoll_event));
+ 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 && !force)
+ return false;
+
+ CurrentSetSize--;
+ ref[fd] = NULL;
+
+ ServerInstance->Log(DEBUG,"Remove file descriptor: %d", fd);
+ return true;
+}
+
+int EPollEngine::GetMaxFds()
+{
+ return MAX_DESCRIPTORS;
+}
+
+int EPollEngine::GetRemainingFds()
+{
+ return MAX_DESCRIPTORS - CurrentSetSize;
+}
+
+int EPollEngine::DispatchEvents()
+{
+ socklen_t codesize;
+ int errcode;
+ int i = epoll_wait(EngineHandle, events, MAX_DESCRIPTORS, 1000);
+ for (int j = 0; j < i; j++)
+ {
+ 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;
+}
+
+std::string EPollEngine::GetName()
+{
+ return "epoll";
+}
+
projects / user / henk / code / inspircd.git / blobdiff