* the file COPYING for details.
*
* ---------------------------------------------------
- */\r
-\r
-#include "socketengine_iocp.h"\r
-#include <mswsock.h>\r
-#include <assert.h>\r
-\r
-IOCPEngine::IOCPEngine(InspIRCd * Instance) : SocketEngine(Instance)\r
-{\r
- // Create completion port\r
- m_completionPort = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, (ULONG_PTR)0, 0);\r
-\r
- // Null variables out.\r
- CurrentSetSize = 0;\r
- EngineHandle = 0;\r
- memset(ref, 0, sizeof(EventHandler*) * MAX_DESCRIPTORS);\r
-}\r
-\r
-IOCPEngine::~IOCPEngine()\r
-{\r
- CloseHandle(m_completionPort);\r
-};\r
-\r
-bool IOCPEngine::AddFd(EventHandler* eh)\r
-{\r
- int fake_fd = GenerateFd();\r
- int is_accept = 0;\r
- int opt_len = sizeof(int);\r
- if(fake_fd < 0)\r
- return false;\r
-\r
- // are we a listen socket?\r
- getsockopt(eh->GetFd(), SOL_SOCKET, SO_ACCEPTCONN, (char*)&is_accept, &opt_len);\r
-\r
- // set up the read event so the socket can actually receive data :P\r
- eh->m_internalFd = fake_fd;\r
- eh->m_writeEvent = 0;\r
- eh->m_acceptEvent = 0;\r
-\r
- // assign the socket to the completion port\r
- if(!CreateIoCompletionPort((HANDLE)eh->GetFd(), m_completionPort, (ULONG_PTR)eh->m_internalFd, 0))\r
- return false;\r
-\r
- // set up binding, increase set size\r
- ref[fake_fd] = eh;\r
- ++CurrentSetSize;\r
-\r
- // setup initial events\r
- if(is_accept)\r
- PostAcceptEvent(eh);\r
- else\r
- PostReadEvent(eh);\r
-\r
- // log message\r
- ServerInstance->Log(DEBUG, "New fake fd: %u, real fd: %u, address 0x%p", fake_fd, eh->GetFd(), eh);\r
-\r
- // post a write event if there is data to be written\r
- if(eh->Writeable())\r
- WantWrite(eh);\r
-\r
- // we're all good =)\r
- m_binding.insert( map<int, EventHandler*>::value_type( eh->GetFd(), eh ) );\r
- return true;\r
-}\r
-\r
-bool IOCPEngine::DelFd(EventHandler* eh, bool force /* = false */)\r
-{\r
- int fake_fd = eh->m_internalFd;\r
- int fd = eh->GetFd();\r
- \r
- if(ref[fake_fd] == 0)\r
- return false;\r
-\r
- ServerInstance->Log(DEBUG, "Removing fake fd %u, real fd %u, address 0x%p", fake_fd, eh->GetFd(), eh);\r
-\r
- // Cancel pending i/o operations.\r
- assert(CancelIo((HANDLE)fd) == TRUE);\r
-\r
- // Free the buffer, and delete the event.\r
- if(eh->m_readEvent != 0)\r
- delete ((Overlapped*)eh->m_readEvent);\r
-\r
- if(eh->m_writeEvent != 0)\r
- delete ((Overlapped*)eh->m_writeEvent);\r
-\r
- if(eh->m_acceptEvent != 0)\r
- {\r
- delete ((accept_overlap*)((Overlapped*)eh->m_acceptEvent)->m_params);\r
- delete ((Overlapped*)eh->m_acceptEvent);\r
- }\r
-\r
- // Clear binding\r
- ref[fake_fd] = 0;\r
- m_binding.erase(eh->GetFd());\r
-\r
- // decrement set size\r
- --CurrentSetSize;\r
- \r
- // success\r
- return true;\r
-}\r
-\r
-void IOCPEngine::WantWrite(EventHandler* eh)\r
-{\r
- // Post event - write begin\r
- if(!eh->m_writeEvent)\r
- {\r
- Overlapped * ov = new Overlapped(SOCKET_IO_EVENT_WRITE_READY, 0);\r
- eh->m_writeEvent = (void*)ov;\r
- PostQueuedCompletionStatus(m_completionPort, 0, (ULONG_PTR)eh->m_internalFd, &ov->m_overlap);\r
- }\r
-}\r
-\r
-bool IOCPEngine::PostCompletionEvent(EventHandler * eh, SocketIOEvent type, int param)\r
-{\r
- Overlapped * ov = new Overlapped(type, param);\r
- return PostQueuedCompletionStatus(m_completionPort, 0, (ULONG_PTR)eh->m_internalFd, &ov->m_overlap);\r
-}\r
-\r
-void IOCPEngine::PostReadEvent(EventHandler * eh)\r
-{\r
- Overlapped * ov = new Overlapped(SOCKET_IO_EVENT_READ_READY, 0);\r
- DWORD flags = 0;\r
- DWORD r_length = 0;\r
- WSABUF buf;\r
-\r
- // by passing a null buffer pointer, we can have this working in the same way as epoll..\r
- // its slower, but it saves modifying all network code.\r
- buf.buf = 0;\r
- buf.len = 0;\r
-\r
- // determine socket type.\r
- DWORD sock_type;\r
- int sock_len = sizeof(DWORD);\r
- if(getsockopt(eh->GetFd(), SOL_SOCKET, SO_TYPE, (char*)&sock_type, &sock_len) == -1)\r
- {\r
- // wtfhax?\r
- PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0);\r
- delete ov;\r
- return;\r
- }\r
- switch(sock_type)\r
- {\r
- case SOCK_DGRAM: // UDP Socket\r
- {\r
- if(WSARecvFrom(eh->GetFd(), &buf, 1, &r_length, &flags, 0, 0, &ov->m_overlap, 0))\r
- {\r
- int err = WSAGetLastError();\r
- if(WSAGetLastError() != WSA_IO_PENDING)\r
- {\r
- delete ov;\r
- PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0);\r
- return;\r
- }\r
- }\r
- }break;\r
-\r
- case SOCK_STREAM: // TCP Socket\r
- {\r
- if(WSARecv(eh->GetFd(), &buf, 1, &r_length, &flags, &ov->m_overlap, 0) == SOCKET_ERROR)\r
- {\r
- if(WSAGetLastError() != WSA_IO_PENDING)\r
- {\r
- delete ov;\r
- PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0);\r
- return;\r
- }\r
- }\r
- }break;\r
-\r
- default:\r
- {\r
- printf("unknwon socket type: %u\n", sock_type);\r
- assert(false);\r
- }break;\r
- }\r
- eh->m_readEvent = (void*)ov;\r
-}\r
-\r
-int IOCPEngine::DispatchEvents()\r
-{\r
- DWORD len;\r
- LPOVERLAPPED overlap;\r
- Overlapped * ov;\r
- EventHandler * eh;\r
- int intfd;\r
- int ret;\r
- unsigned long bytes_recv;\r
-\r
- while(GetQueuedCompletionStatus(m_completionPort, &len, (PULONG_PTR)&intfd, &overlap, 100))\r
- {\r
- // woot, we got an event on a socket :P\r
- eh = ref[intfd];\r
- ov = CONTAINING_RECORD(overlap, Overlapped, m_overlap);\r
- if(eh == 0) continue;\r
- switch(ov->m_event)\r
- {\r
- case SOCKET_IO_EVENT_WRITE_READY:\r
- {\r
- eh->m_writeEvent = 0;\r
- eh->HandleEvent(EVENT_WRITE, 0);\r
- }break;\r
-\r
- case SOCKET_IO_EVENT_READ_READY:\r
- {\r
- ret = ioctlsocket(eh->GetFd(), FIONREAD, &bytes_recv);\r
- eh->m_readEvent = 0;\r
- if(ret != 0 || bytes_recv == 0)\r
- {\r
- // end of file\r
- PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, EIO);\r
- }\r
- else\r
- {\r
- eh->HandleEvent(EVENT_READ, 0);\r
- PostReadEvent(eh);\r
- }\r
- }break;\r
- \r
- case SOCKET_IO_EVENT_ACCEPT:\r
- {\r
- /* this is kinda messy.. :/ */\r
- eh->HandleEvent(EVENT_READ, ov->m_params);\r
- delete ((accept_overlap*)ov->m_params);\r
- eh->m_acceptEvent = 0;\r
- PostAcceptEvent(eh);\r
- }break;\r
-\r
- case SOCKET_IO_EVENT_ERROR:\r
- {\r
- eh->HandleEvent(EVENT_ERROR, ov->m_params);\r
- }break;\r
- }\r
- \r
- delete ov;\r
- }\r
-\r
- return 0;\r
-}\r
-\r
-void IOCPEngine::PostAcceptEvent(EventHandler * eh)\r
-{\r
- int fd = WSASocket(AF_INET, SOCK_STREAM, 0, 0, 0, WSA_FLAG_OVERLAPPED);\r
- int len = sizeof(sockaddr_in) + 16;\r
- DWORD dwBytes;\r
- accept_overlap * ao = new accept_overlap;\r
- memset(ao->buf, 0, 1024);\r
- ao->socket = fd;\r
-\r
- Overlapped * ov = new Overlapped(SOCKET_IO_EVENT_ACCEPT, (int)ao);\r
- eh->m_acceptEvent = (void*)ov;\r
-\r
- if(AcceptEx(eh->GetFd(), fd, ao->buf, 0, len, len, &dwBytes, &ov->m_overlap) == FALSE)\r
- {\r
- int err = WSAGetLastError();\r
- if(err != WSA_IO_PENDING)\r
- {\r
- printf("PostAcceptEvent err: %d\n", err);\r
- }\r
- }\r
-}\r
-\r
-\r
-std::string IOCPEngine::GetName()\r
-{\r
- return "iocp";\r
-}\r
-\r
-int __accept_socket(SOCKET s, sockaddr * addr, int * addrlen, void * acceptevent)\r
-{\r
- Overlapped * ovl = (Overlapped*)acceptevent;\r
+ */
+
+#include "socketengine_iocp.h"
+#include <mswsock.h>
+
+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();
+ 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;
+
+ // assign the socket to the completion port
+ if(!CreateIoCompletionPort((HANDLE)eh->GetFd(), m_completionPort, (ULONG_PTR)eh->m_internalFd, 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 =)
+ m_binding.insert( map<int, EventHandler*>::value_type( eh->GetFd(), eh ) );
+ 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)
+ 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)
+ {
+ Overlapped * ov = new Overlapped(SOCKET_IO_EVENT_WRITE_READY, 0);
+ eh->m_writeEvent = (void*)ov;
+ PostQueuedCompletionStatus(m_completionPort, 0, (ULONG_PTR)eh->m_internalFd, &ov->m_overlap);
+ }
+}
+
+bool IOCPEngine::PostCompletionEvent(EventHandler * eh, SocketIOEvent type, int param)
+{
+ Overlapped * ov = new Overlapped(type, param);
+ return PostQueuedCompletionStatus(m_completionPort, 0, (ULONG_PTR)eh->m_internalFd, &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
+ {
+ if(WSARecvFrom(eh->GetFd(), &buf, 1, &r_length, &flags, 0, 0, &ov->m_overlap, 0))
+ {
+ int err = WSAGetLastError();
+ if(WSAGetLastError() != 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;
+ int intfd;
+ int ret;
+ unsigned long bytes_recv;
+
+ while(GetQueuedCompletionStatus(m_completionPort, &len, (PULONG_PTR)&intfd, &overlap, 100))
+ {
+ // 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:
+ {
+ 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);
+ }
+ 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];
int __getsockname(SOCKET s, sockaddr * name, int * namelen, void * acceptevent)
{
- Overlapped * ovl = (Overlapped*)acceptevent;\r
+ Overlapped * ovl = (Overlapped*)acceptevent;
accept_overlap * ov = (accept_overlap*)ovl->m_params;
sockaddr_in * server_address = (sockaddr_in*)&ov->buf[10];
projects / user / henk / code / inspircd.git / blobdiff