diff options
author | Adam <Adam@anope.org> | 2010-07-15 22:55:02 -0400 |
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committer | Adam <Adam@anope.org> | 2010-07-15 22:55:02 -0400 |
commit | a22f8d3b2de88b9bb6f80f0c2780846ae23ab389 (patch) | |
tree | a2fdf570868896a787df8a1169951b0028e68d6b /modules/socketengines | |
parent | 43b1e43afb85639485e36d24da351dc0f121be6e (diff) |
Moved some files and diretories around, made cmake skip files it knows it can't compile because of missing dependices.
Diffstat (limited to 'modules/socketengines')
-rw-r--r-- | modules/socketengines/m_socketengine_epoll.cpp | 157 | ||||
-rw-r--r-- | modules/socketengines/m_socketengine_select.cpp | 134 |
2 files changed, 291 insertions, 0 deletions
diff --git a/modules/socketengines/m_socketengine_epoll.cpp b/modules/socketengines/m_socketengine_epoll.cpp new file mode 100644 index 000000000..c5e152af3 --- /dev/null +++ b/modules/socketengines/m_socketengine_epoll.cpp @@ -0,0 +1,157 @@ +/* RequiredFunctions: epoll_wait */ + +#include "module.h" +#include <sys/epoll.h> +#include <ulimit.h> + +class SocketEngineEPoll : public SocketEngineBase +{ + private: + long max; + int EngineHandle; + epoll_event *events; + unsigned SocketCount; + + public: + SocketEngineEPoll() + { + SocketCount = 0; + max = ulimit(4, 0); + + if (max <= 0) + { + Alog() << "Can't determine maximum number of open sockets"; + throw ModuleException("Can't determine maximum number of open sockets"); + } + + EngineHandle = epoll_create(max / 4); + + if (EngineHandle == -1) + { + Alog() << "Could not initialize epoll socket engine: " << strerror(errno); + throw ModuleException("Could not initialize epoll socket engine: " + std::string(strerror(errno))); + } + + events = new epoll_event[max]; + memset(events, 0, sizeof(epoll_event) * max); + } + + ~SocketEngineEPoll() + { + delete [] events; + } + + void AddSocket(Socket *s) + { + epoll_event ev; + + memset(&ev, 0, sizeof(ev)); + + ev.events = EPOLLIN | EPOLLOUT; + ev.data.fd = s->GetSock(); + + if (epoll_ctl(EngineHandle, EPOLL_CTL_ADD, ev.data.fd, &ev) == -1) + { + Alog() << "Unable to add fd " << ev.data.fd << " to socketengine epoll: " << strerror(errno); + return; + } + + Sockets.insert(std::make_pair(ev.data.fd, s)); + + ++SocketCount; + } + + void DelSocket(Socket *s) + { + epoll_event ev; + + memset(&ev, 0, sizeof(ev)); + + ev.data.fd = s->GetSock(); + + if (epoll_ctl(EngineHandle, EPOLL_CTL_DEL, ev.data.fd, &ev) == -1) + { + Alog() << "Unable to delete fd " << ev.data.fd << " from socketengine epoll: " << strerror(errno); + return; + } + + Sockets.erase(ev.data.fd); + + --SocketCount; + } + + void Process() + { + int total = epoll_wait(EngineHandle, events, max - 1, (Config.ReadTimeout * 1000)); + + if (total == -1) + { + Alog() << "SockEngine::Process(): error " << strerror(errno); + return; + } + + for (int i = 0; i < total; ++i) + { + epoll_event *ev = &events[i]; + Socket *s = Sockets[ev->data.fd]; + + if (ev->events & (EPOLLHUP | EPOLLERR)) + { + s->ProcessError(); + s->SetFlag(SF_DEAD); + continue; + } + + if (ev->events & EPOLLIN) + { + if (!s->ProcessRead()) + { + s->SetFlag(SF_DEAD); + } + } + + if (ev->events & EPOLLOUT) + { + if (!s->ProcessWrite()) + { + s->SetFlag(SF_DEAD); + } + } + } + + for (std::map<int, Socket *>::iterator it = Sockets.begin(), it_end = Sockets.end(); it != it_end;) + { + Socket *s = it->second; + ++it; + + if (s->HasFlag(SF_DEAD)) + { + delete s; + } + } + } +}; + +class ModuleSocketEngineEPoll : public Module +{ + SocketEngineEPoll *engine; + + public: + ModuleSocketEngineEPoll(const std::string &modname, const std::string &creator) : Module(modname, creator) + { + this->SetPermanent(true); + this->SetType(SOCKETENGINE); + + engine = new SocketEngineEPoll(); + SocketEngine = engine; + } + + ~ModuleSocketEngineEPoll() + { + delete engine; + SocketEngine = NULL; + } +}; + +MODULE_INIT(ModuleSocketEngineEPoll) + diff --git a/modules/socketengines/m_socketengine_select.cpp b/modules/socketengines/m_socketengine_select.cpp new file mode 100644 index 000000000..c7346f87c --- /dev/null +++ b/modules/socketengines/m_socketengine_select.cpp @@ -0,0 +1,134 @@ +#include "module.h" + +class SocketEngineSelect : public SocketEngineBase +{ + private: + /* Max Read FD */ + int MaxFD; + /* Read FDs */ + fd_set ReadFDs; + /* Write FDs */ + fd_set WriteFDs; + + public: + SocketEngineSelect() + { + MaxFD = 0; + FD_ZERO(&ReadFDs); + FD_ZERO(&WriteFDs); + } + + ~SocketEngineSelect() + { + FD_ZERO(&ReadFDs); + FD_ZERO(&WriteFDs); + } + + void AddSocket(Socket *s) + { + if (s->GetSock() > MaxFD) + MaxFD = s->GetSock(); + FD_SET(s->GetSock(), &ReadFDs); + Sockets.insert(std::make_pair(s->GetSock(), s)); + } + + void DelSocket(Socket *s) + { + if (s->GetSock() == MaxFD) + --MaxFD; + FD_CLR(s->GetSock(), &ReadFDs); + FD_CLR(s->GetSock(), &WriteFDs); + Sockets.erase(s->GetSock()); + } + + void MarkWriteable(Socket *s) + { + FD_SET(s->GetSock(), &WriteFDs); + } + + void ClearWriteable(Socket *s) + { + FD_CLR(s->GetSock(), &WriteFDs); + } + + void Process() + { + fd_set rfdset = ReadFDs, wfdset = WriteFDs, efdset = ReadFDs; + timeval tval; + tval.tv_sec = Config.ReadTimeout; + tval.tv_usec = 0; + + int sresult = select(MaxFD + 1, &rfdset, &wfdset, &efdset, &tval); + + if (sresult == -1) + { +#ifdef WIN32 + errno = WSAGetLastError(); +#endif + Alog() << "SockEngine::Process(): error" << strerror(errno); + } + else if (sresult) + { + for (std::map<int, Socket *>::const_iterator it = Sockets.begin(), it_end = Sockets.end(); it != it_end; ++it) + { + Socket *s = it->second; + + if (FD_ISSET(s->GetSock(), &efdset)) + { + s->ProcessError(); + s->SetFlag(SF_DEAD); + continue; + } + if (FD_ISSET(s->GetSock(), &rfdset)) + { + if (!s->ProcessRead()) + { + s->SetFlag(SF_DEAD); + } + } + if (FD_ISSET(s->GetSock(), &wfdset)) + { + if (!s->ProcessWrite()) + { + s->SetFlag(SF_DEAD); + } + } + } + + for (std::map<int, Socket *>::iterator it = Sockets.begin(), it_end = Sockets.end(); it != it_end;) + { + Socket *s = it->second; + ++it; + + if (s->HasFlag(SF_DEAD)) + { + delete s; + } + } + } + } +}; + +class ModuleSocketEngineSelect : public Module +{ + SocketEngineSelect *engine; + + public: + ModuleSocketEngineSelect(const std::string &modname, const std::string &creator) : Module(modname, creator) + { + this->SetPermanent(true); + this->SetType(SOCKETENGINE); + + engine = new SocketEngineSelect(); + SocketEngine = engine; + } + + ~ModuleSocketEngineSelect() + { + delete engine; + SocketEngine = NULL; + } +}; + +MODULE_INIT(ModuleSocketEngineSelect) + |