From bab14f0dd2345c9d7dcbc47c918563709e1ac094 Mon Sep 17 00:00:00 2001 From: peavey Date: Mon, 16 Jul 2007 17:14:45 +0000 Subject: 'svn propset -R svn:eol-style CR *' Set to UNIX-style always. Binaries are auto skipped by svn. git-svn-id: http://svn.inspircd.org/repository/trunk/inspircd@7454 e03df62e-2008-0410-955e-edbf42e46eb7 --- src/socketengine_iocp.cpp | 377 +--------------------------------------------- 1 file changed, 1 insertion(+), 376 deletions(-) (limited to 'src/socketengine_iocp.cpp') diff --git a/src/socketengine_iocp.cpp b/src/socketengine_iocp.cpp index 89fd8717f..833bc097f 100644 --- a/src/socketengine_iocp.cpp +++ b/src/socketengine_iocp.cpp @@ -1,376 +1 @@ -/* +------------------------------------+ - * | 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 "socketengine_iocp.h" -#include - -IOCPEngine::IOCPEngine(InspIRCd * Instance) : SocketEngine(Instance) -{ - /* Create completion port */ - m_completionPort = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, (ULONG_PTR)0, 0); - - /* Null variables out. */ - CurrentSetSize = 0; - EngineHandle = 0; - memset(ref, 0, sizeof(EventHandler*) * MAX_DESCRIPTORS); -} - -IOCPEngine::~IOCPEngine() -{ - CloseHandle(m_completionPort); -} - -bool IOCPEngine::AddFd(EventHandler* eh) -{ - int fake_fd = GenerateFd(eh->GetFd()); - int is_accept = 0; - int opt_len = sizeof(int); - if(fake_fd < 0) - return false; - - /* are we a listen socket? */ - getsockopt(eh->GetFd(), SOL_SOCKET, SO_ACCEPTCONN, (char*)&is_accept, &opt_len); - - /* set up the read event so the socket can actually receive data :P */ - eh->m_internalFd = fake_fd; - eh->m_writeEvent = 0; - eh->m_acceptEvent = 0; - - unsigned long completion_key = (ULONG_PTR)eh->m_internalFd; - /* assign the socket to the completion port */ - if(!CreateIoCompletionPort((HANDLE)eh->GetFd(), m_completionPort, completion_key, 0)) - return false; - - /* set up binding, increase set size */ - ref[fake_fd] = eh; - ++CurrentSetSize; - - /* setup initial events */ - if(is_accept) - PostAcceptEvent(eh); - else - PostReadEvent(eh); - - /* log message */ - ServerInstance->Log(DEBUG, "New fake fd: %u, real fd: %u, address 0x%p", fake_fd, eh->GetFd(), eh); - - /* post a write event if there is data to be written */ - if(eh->Writeable()) - WantWrite(eh); - - /* we're all good =) */ - try - { - m_binding.insert( map::value_type( eh->GetFd(), eh ) ); - } - catch (...) - { - /* Ohshi-, map::insert failed :/ */ - return false; - } - - return true; -} - -bool IOCPEngine::DelFd(EventHandler* eh, bool force /* = false */) -{ - int fake_fd = eh->m_internalFd; - int fd = eh->GetFd(); - - if(ref[fake_fd] == 0) - return false; - - ServerInstance->Log(DEBUG, "Removing fake fd %u, real fd %u, address 0x%p", fake_fd, eh->GetFd(), eh); - - /* Cancel pending i/o operations. */ - if (CancelIo((HANDLE)fd) == FALSE) - return false; - - /* Free the buffer, and delete the event. */ - if(eh->m_readEvent != 0) - { - if(((Overlapped*)eh->m_readEvent)->m_params != 0) - delete ((udp_overlap*)((Overlapped*)eh->m_readEvent)->m_params); - - delete ((Overlapped*)eh->m_readEvent); - } - - if(eh->m_writeEvent != 0) - delete ((Overlapped*)eh->m_writeEvent); - - if(eh->m_acceptEvent != 0) - { - delete ((accept_overlap*)((Overlapped*)eh->m_acceptEvent)->m_params); - delete ((Overlapped*)eh->m_acceptEvent); - } - - /* Clear binding */ - ref[fake_fd] = 0; - m_binding.erase(eh->GetFd()); - - /* decrement set size */ - --CurrentSetSize; - - /* success */ - return true; -} - -void IOCPEngine::WantWrite(EventHandler* eh) -{ - /* Post event - write begin */ - if(!eh->m_writeEvent) - { - ULONG_PTR completion_key = (ULONG_PTR)eh->m_internalFd; - Overlapped * ov = new Overlapped(SOCKET_IO_EVENT_WRITE_READY, 0); - eh->m_writeEvent = (void*)ov; - PostQueuedCompletionStatus(m_completionPort, 0, completion_key, &ov->m_overlap); - } -} - -bool IOCPEngine::PostCompletionEvent(EventHandler * eh, SocketIOEvent type, int param) -{ - Overlapped * ov = new Overlapped(type, param); - ULONG_PTR completion_key = (ULONG_PTR)eh->m_internalFd; - return PostQueuedCompletionStatus(m_completionPort, 0, completion_key, &ov->m_overlap); -} - -void IOCPEngine::PostReadEvent(EventHandler * eh) -{ - Overlapped * ov = new Overlapped(SOCKET_IO_EVENT_READ_READY, 0); - DWORD flags = 0; - DWORD r_length = 0; - WSABUF buf; - - /* by passing a null buffer pointer, we can have this working in the same way as epoll.. - * its slower, but it saves modifying all network code. - */ - buf.buf = 0; - buf.len = 0; - - /* determine socket type. */ - DWORD sock_type; - int sock_len = sizeof(DWORD); - if(getsockopt(eh->GetFd(), SOL_SOCKET, SO_TYPE, (char*)&sock_type, &sock_len) == -1) - { - /* wtfhax? */ - PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0); - delete ov; - return; - } - switch(sock_type) - { - case SOCK_DGRAM: /* UDP Socket */ - { - udp_overlap * uv = new udp_overlap; - uv->udp_sockaddr_len = sizeof(sockaddr); - buf.buf = (char*)uv->udp_buffer; - buf.len = sizeof(uv->udp_buffer); - ov->m_params = (unsigned long)uv; - if(WSARecvFrom(eh->GetFd(), &buf, 1, &uv->udp_len, &flags, uv->udp_sockaddr, (LPINT)&uv->udp_sockaddr_len, &ov->m_overlap, 0)) - { - int err = WSAGetLastError(); - if(err != WSA_IO_PENDING) - { - delete ov; - PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0); - return; - } - } - } - break; - - case SOCK_STREAM: /* TCP Socket */ - { - if(WSARecv(eh->GetFd(), &buf, 1, &r_length, &flags, &ov->m_overlap, 0) == SOCKET_ERROR) - { - if(WSAGetLastError() != WSA_IO_PENDING) - { - delete ov; - PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0); - return; - } - } - } - break; - - default: - { - printf("unknwon socket type: %u\n", sock_type); - return; - } - break; - } - eh->m_readEvent = (void*)ov; -} - -int IOCPEngine::DispatchEvents() -{ - DWORD len; - LPOVERLAPPED overlap; - Overlapped * ov; - EventHandler * eh; - ULONG_PTR intfd; - int ret; - unsigned long bytes_recv; - - while(GetQueuedCompletionStatus(m_completionPort, &len, &intfd, &overlap, 1000)) - { - // woot, we got an event on a socket :P - eh = ref[intfd]; - ov = CONTAINING_RECORD(overlap, Overlapped, m_overlap); - if(eh == 0) continue; - switch(ov->m_event) - { - case SOCKET_IO_EVENT_WRITE_READY: - { - eh->m_writeEvent = 0; - eh->HandleEvent(EVENT_WRITE, 0); - } - break; - - case SOCKET_IO_EVENT_READ_READY: - { - if(ov->m_params) - { - // if we had params, it means we are a udp socket with a udp_overlap pointer in this long. - udp_overlap * uv = (udp_overlap*)ov->m_params; - uv->udp_len = len; - this->udp_ov = uv; - eh->m_readEvent = 0; - eh->HandleEvent(EVENT_READ, 0); - this->udp_ov = 0; - delete uv; - PostReadEvent(eh); - } - else - { - ret = ioctlsocket(eh->GetFd(), FIONREAD, &bytes_recv); - eh->m_readEvent = 0; - if(ret != 0 || bytes_recv == 0) - { - /* end of file */ - PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, EIO); /* Old macdonald had an error, EIEIO. */ - } - else - { - eh->HandleEvent(EVENT_READ, 0); - PostReadEvent(eh); - } - } - } - break; - - case SOCKET_IO_EVENT_ACCEPT: - { - /* this is kinda messy.. :/ */ - eh->HandleEvent(EVENT_READ, ov->m_params); - delete ((accept_overlap*)ov->m_params); - eh->m_acceptEvent = 0; - PostAcceptEvent(eh); - } - break; - - case SOCKET_IO_EVENT_ERROR: - { - eh->HandleEvent(EVENT_ERROR, ov->m_params); - } - break; - } - - delete ov; - } - - return 0; -} - -void IOCPEngine::PostAcceptEvent(EventHandler * eh) -{ - int fd = WSASocket(AF_INET, SOCK_STREAM, 0, 0, 0, WSA_FLAG_OVERLAPPED); - int len = sizeof(sockaddr_in) + 16; - DWORD dwBytes; - accept_overlap* ao = new accept_overlap; - memset(ao->buf, 0, 1024); - ao->socket = fd; - - Overlapped* ov = new Overlapped(SOCKET_IO_EVENT_ACCEPT, (int)ao); - eh->m_acceptEvent = (void*)ov; - - if(AcceptEx(eh->GetFd(), fd, ao->buf, 0, len, len, &dwBytes, &ov->m_overlap) == FALSE) - { - int err = WSAGetLastError(); - if(err != WSA_IO_PENDING) - { - printf("PostAcceptEvent err: %d\n", err); - } - } -} - - -std::string IOCPEngine::GetName() -{ - return "iocp"; -} - -int __accept_socket(SOCKET s, sockaddr * addr, int * addrlen, void * acceptevent) -{ - Overlapped* ovl = (Overlapped*)acceptevent; - accept_overlap* ov = (accept_overlap*)ovl->m_params; - - sockaddr_in* server_address = (sockaddr_in*)&ov->buf[10]; - sockaddr_in* client_address = (sockaddr_in*)&ov->buf[38]; - - memcpy(addr, client_address, sizeof(sockaddr_in)); - *addrlen = sizeof(sockaddr_in); - - return ov->socket; -} - -int __getsockname(SOCKET s, sockaddr * name, int * namelen, void * acceptevent) -{ - Overlapped* ovl = (Overlapped*)acceptevent; - accept_overlap* ov = (accept_overlap*)ovl->m_params; - - sockaddr_in* server_address = (sockaddr_in*)&ov->buf[10]; - sockaddr_in* client_address = (sockaddr_in*)&ov->buf[38]; - - memcpy(name, server_address, sizeof(sockaddr_in)); - *namelen = sizeof(sockaddr_in); - - return 0; -} - -int __recvfrom(SOCKET s, char * buf, int len, int flags, struct sockaddr * from, int * fromlen, udp_overlap * ov) -{ - memcpy(buf, ov->udp_buffer, ov->udp_len); - memcpy(from, ov->udp_sockaddr, *fromlen); - return ov->udp_len; -} - -EventHandler * IOCPEngine::GetRef(int fd) -{ - map::iterator itr = m_binding.find(fd); - return (itr == m_binding.end()) ? 0 : itr->second; -} - -bool IOCPEngine::HasFd(int fd) -{ - return (GetRef(fd) != 0); -} - -EventHandler * IOCPEngine::GetIntRef(int fd) -{ - if(fd < 0 || fd > MAX_DESCRIPTORS) - return 0; - return ref[fd]; -} - +/* +------------------------------------+ * | 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 "socketengine_iocp.h" #include IOCPEngine::IOCPEngine(InspIRCd * Instance) : SocketEngine(Instance) { /* Create completion port */ m_completionPort = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, (ULONG_PTR)0, 0); /* Null variables out. */ CurrentSetSize = 0; EngineHandle = 0; memset(ref, 0, sizeof(EventHandler*) * MAX_DESCRIPTORS); } IOCPEngine::~IOCPEngine() { CloseHandle(m_completionPort); } bool IOCPEngine::AddFd(EventHandler* eh) { int fake_fd = GenerateFd(eh->GetFd()); int is_accept = 0; int opt_len = sizeof(int); if(fake_fd < 0) return false; /* are we a listen socket? */ getsockopt(eh->GetFd(), SOL_SOCKET, SO_ACCEPTCONN, (char*)&is_accept, &opt_len); /* set up the read event so the socket can actually receive data :P */ eh->m_internalFd = fake_fd; eh->m_writeEvent = 0; eh->m_acceptEvent = 0; unsigned long completion_key = (ULONG_PTR)eh->m_internalFd; /* assign the socket to the completion port */ if(!CreateIoCompletionPort((HANDLE)eh->GetFd(), m_completionPort, completion_key, 0)) return false; /* set up binding, increase set size */ ref[fake_fd] = eh; ++CurrentSetSize; /* setup initial events */ if(is_accept) PostAcceptEvent(eh); else PostReadEvent(eh); /* log message */ ServerInstance->Log(DEBUG, "New fake fd: %u, real fd: %u, address 0x%p", fake_fd, eh->GetFd(), eh); /* post a write event if there is data to be written */ if(eh->Writeable()) WantWrite(eh); /* we're all good =) */ try { m_binding.insert( map::value_type( eh->GetFd(), eh ) ); } catch (...) { /* Ohshi-, map::insert failed :/ */ return false; } return true; } bool IOCPEngine::DelFd(EventHandler* eh, bool force /* = false */) { int fake_fd = eh->m_internalFd; int fd = eh->GetFd(); if(ref[fake_fd] == 0) return false; ServerInstance->Log(DEBUG, "Removing fake fd %u, real fd %u, address 0x%p", fake_fd, eh->GetFd(), eh); /* Cancel pending i/o operations. */ if (CancelIo((HANDLE)fd) == FALSE) return false; /* Free the buffer, and delete the event. */ if(eh->m_readEvent != 0) { if(((Overlapped*)eh->m_readEvent)->m_params != 0) delete ((udp_overlap*)((Overlapped*)eh->m_readEvent)->m_params); delete ((Overlapped*)eh->m_readEvent); } if(eh->m_writeEvent != 0) delete ((Overlapped*)eh->m_writeEvent); if(eh->m_acceptEvent != 0) { delete ((accept_overlap*)((Overlapped*)eh->m_acceptEvent)->m_params); delete ((Overlapped*)eh->m_acceptEvent); } /* Clear binding */ ref[fake_fd] = 0; m_binding.erase(eh->GetFd()); /* decrement set size */ --CurrentSetSize; /* success */ return true; } void IOCPEngine::WantWrite(EventHandler* eh) { /* Post event - write begin */ if(!eh->m_writeEvent) { ULONG_PTR completion_key = (ULONG_PTR)eh->m_internalFd; Overlapped * ov = new Overlapped(SOCKET_IO_EVENT_WRITE_READY, 0); eh->m_writeEvent = (void*)ov; PostQueuedCompletionStatus(m_completionPort, 0, completion_key, &ov->m_overlap); } } bool IOCPEngine::PostCompletionEvent(EventHandler * eh, SocketIOEvent type, int param) { Overlapped * ov = new Overlapped(type, param); ULONG_PTR completion_key = (ULONG_PTR)eh->m_internalFd; return PostQueuedCompletionStatus(m_completionPort, 0, completion_key, &ov->m_overlap); } void IOCPEngine::PostReadEvent(EventHandler * eh) { Overlapped * ov = new Overlapped(SOCKET_IO_EVENT_READ_READY, 0); DWORD flags = 0; DWORD r_length = 0; WSABUF buf; /* by passing a null buffer pointer, we can have this working in the same way as epoll.. * its slower, but it saves modifying all network code. */ buf.buf = 0; buf.len = 0; /* determine socket type. */ DWORD sock_type; int sock_len = sizeof(DWORD); if(getsockopt(eh->GetFd(), SOL_SOCKET, SO_TYPE, (char*)&sock_type, &sock_len) == -1) { /* wtfhax? */ PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0); delete ov; return; } switch(sock_type) { case SOCK_DGRAM: /* UDP Socket */ { udp_overlap * uv = new udp_overlap; uv->udp_sockaddr_len = sizeof(sockaddr); buf.buf = (char*)uv->udp_buffer; buf.len = sizeof(uv->udp_buffer); ov->m_params = (unsigned long)uv; if(WSARecvFrom(eh->GetFd(), &buf, 1, &uv->udp_len, &flags, uv->udp_sockaddr, (LPINT)&uv->udp_sockaddr_len, &ov->m_overlap, 0)) { int err = WSAGetLastError(); if(err != WSA_IO_PENDING) { delete ov; PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0); return; } } } break; case SOCK_STREAM: /* TCP Socket */ { if(WSARecv(eh->GetFd(), &buf, 1, &r_length, &flags, &ov->m_overlap, 0) == SOCKET_ERROR) { if(WSAGetLastError() != WSA_IO_PENDING) { delete ov; PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0); return; } } } break; default: { printf("unknwon socket type: %u\n", sock_type); return; } break; } eh->m_readEvent = (void*)ov; } int IOCPEngine::DispatchEvents() { DWORD len; LPOVERLAPPED overlap; Overlapped * ov; EventHandler * eh; ULONG_PTR intfd; int ret; unsigned long bytes_recv; while(GetQueuedCompletionStatus(m_completionPort, &len, &intfd, &overlap, 1000)) { // woot, we got an event on a socket :P eh = ref[intfd]; ov = CONTAINING_RECORD(overlap, Overlapped, m_overlap); if(eh == 0) continue; switch(ov->m_event) { case SOCKET_IO_EVENT_WRITE_READY: { eh->m_writeEvent = 0; eh->HandleEvent(EVENT_WRITE, 0); } break; case SOCKET_IO_EVENT_READ_READY: { if(ov->m_params) { // if we had params, it means we are a udp socket with a udp_overlap pointer in this long. udp_overlap * uv = (udp_overlap*)ov->m_params; uv->udp_len = len; this->udp_ov = uv; eh->m_readEvent = 0; eh->HandleEvent(EVENT_READ, 0); this->udp_ov = 0; delete uv; PostReadEvent(eh); } else { ret = ioctlsocket(eh->GetFd(), FIONREAD, &bytes_recv); eh->m_readEvent = 0; if(ret != 0 || bytes_recv == 0) { /* end of file */ PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, EIO); /* Old macdonald had an error, EIEIO. */ } else { eh->HandleEvent(EVENT_READ, 0); PostReadEvent(eh); } } } break; case SOCKET_IO_EVENT_ACCEPT: { /* this is kinda messy.. :/ */ eh->HandleEvent(EVENT_READ, ov->m_params); delete ((accept_overlap*)ov->m_params); eh->m_acceptEvent = 0; PostAcceptEvent(eh); } break; case SOCKET_IO_EVENT_ERROR: { eh->HandleEvent(EVENT_ERROR, ov->m_params); } break; } delete ov; } return 0; } void IOCPEngine::PostAcceptEvent(EventHandler * eh) { int fd = WSASocket(AF_INET, SOCK_STREAM, 0, 0, 0, WSA_FLAG_OVERLAPPED); int len = sizeof(sockaddr_in) + 16; DWORD dwBytes; accept_overlap* ao = new accept_overlap; memset(ao->buf, 0, 1024); ao->socket = fd; Overlapped* ov = new Overlapped(SOCKET_IO_EVENT_ACCEPT, (int)ao); eh->m_acceptEvent = (void*)ov; if(AcceptEx(eh->GetFd(), fd, ao->buf, 0, len, len, &dwBytes, &ov->m_overlap) == FALSE) { int err = WSAGetLastError(); if(err != WSA_IO_PENDING) { printf("PostAcceptEvent err: %d\n", err); } } } std::string IOCPEngine::GetName() { return "iocp"; } int __accept_socket(SOCKET s, sockaddr * addr, int * addrlen, void * acceptevent) { Overlapped* ovl = (Overlapped*)acceptevent; accept_overlap* ov = (accept_overlap*)ovl->m_params; sockaddr_in* server_address = (sockaddr_in*)&ov->buf[10]; sockaddr_in* client_address = (sockaddr_in*)&ov->buf[38]; memcpy(addr, client_address, sizeof(sockaddr_in)); *addrlen = sizeof(sockaddr_in); return ov->socket; } int __getsockname(SOCKET s, sockaddr * name, int * namelen, void * acceptevent) { Overlapped* ovl = (Overlapped*)acceptevent; accept_overlap* ov = (accept_overlap*)ovl->m_params; sockaddr_in* server_address = (sockaddr_in*)&ov->buf[10]; sockaddr_in* client_address = (sockaddr_in*)&ov->buf[38]; memcpy(name, server_address, sizeof(sockaddr_in)); *namelen = sizeof(sockaddr_in); return 0; } int __recvfrom(SOCKET s, char * buf, int len, int flags, struct sockaddr * from, int * fromlen, udp_overlap * ov) { memcpy(buf, ov->udp_buffer, ov->udp_len); memcpy(from, ov->udp_sockaddr, *fromlen); return ov->udp_len; } EventHandler * IOCPEngine::GetRef(int fd) { map::iterator itr = m_binding.find(fd); return (itr == m_binding.end()) ? 0 : itr->second; } bool IOCPEngine::HasFd(int fd) { return (GetRef(fd) != 0); } EventHandler * IOCPEngine::GetIntRef(int fd) { if(fd < 0 || fd > MAX_DESCRIPTORS) return 0; return ref[fd]; } \ No newline at end of file -- cgit v1.3.1-10-gc9f91