*/
#include "socketengine_iocp.h"
+#include "exitcodes.h"
#include <mswsock.h>
IOCPEngine::IOCPEngine(InspIRCd * Instance) : SocketEngine(Instance)
/* Create completion port */
m_completionPort = CreateIoCompletionPort(INVALID_HANDLE_VALUE, NULL, (ULONG_PTR)0, 0);
+ if (!m_completionPort)
+ {
+ ServerInstance->Log(SPARSE,"ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
+ ServerInstance->Log(SPARSE,"ERROR: this is a fatal error, exiting now.");
+ printf("ERROR: Could not initialize socket engine. Your kernel probably does not have the proper features.");
+ printf("ERROR: this is a fatal error, exiting now.");
+ ServerInstance->Exit(EXIT_STATUS_SOCKETENGINE);
+ }
+
/* Null variables out. */
CurrentSetSize = 0;
EngineHandle = 0;
IOCPEngine::~IOCPEngine()
{
+ /* Clean up winsock and close completion port */
CloseHandle(m_completionPort);
+ WSACleanup();
}
bool IOCPEngine::AddFd(EventHandler* eh)
{
- int fake_fd = GenerateFd();
+ /* Does it at least look valid? */
+ if (!eh)
+ return false;
+
+ int* fake_fd = new int(GenerateFd(eh->GetFd()));
int is_accept = 0;
int opt_len = sizeof(int);
- if(fake_fd < 0)
+
+ /* In range? */
+ if ((*fake_fd < 0) || (*fake_fd > MAX_DESCRIPTORS))
return false;
+ /* Already an entry here */
+ if (ref[*fake_fd])
+ {
+ delete fake_fd;
+ 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;
+ eh->Extend("internal_fd", fake_fd);
+ unsigned long completion_key = (ULONG_PTR)*fake_fd;
/* assign the socket to the completion port */
- if(!CreateIoCompletionPort((HANDLE)eh->GetFd(), m_completionPort, (ULONG_PTR)eh->m_internalFd, 0))
+ if (!CreateIoCompletionPort((HANDLE)eh->GetFd(), m_completionPort, completion_key, 0))
return false;
/* set up binding, increase set size */
- ref[fake_fd] = eh;
+ ref[*fake_fd] = eh;
++CurrentSetSize;
/* setup initial events */
PostReadEvent(eh);
/* log message */
- ServerInstance->Log(DEBUG, "New fake fd: %u, real fd: %u, address 0x%p", fake_fd, eh->GetFd(), eh);
+ 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())
bool IOCPEngine::DelFd(EventHandler* eh, bool force /* = false */)
{
- int fake_fd = eh->m_internalFd;
+ if (!eh)
+ return false;
+
+ int* fake_fd = NULL;
+
+ if (!eh->GetExt("internal_fd", fake_fd))
+ return false;
+
int fd = eh->GetFd();
- if(ref[fake_fd] == 0)
+ if (!ref[*fake_fd])
return false;
- ServerInstance->Log(DEBUG, "Removing fake fd %u, real fd %u, address 0x%p", fake_fd, eh->GetFd(), eh);
+ void* m_readEvent = NULL;
+ void* m_writeEvent = NULL;
+ void* m_acceptEvent = NULL;
+
+ 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->GetExt("windows_readevent", m_readEvent))
+ {
+ if(((Overlapped*)m_readEvent)->m_params != 0)
+ delete ((udp_overlap*)((Overlapped*)m_readEvent)->m_params);
+
+ delete ((Overlapped*)m_readEvent);
+ eh->Shrink("windows_readevent");
+ }
- if(eh->m_writeEvent != 0)
- delete ((Overlapped*)eh->m_writeEvent);
+ if(eh->GetExt("windows_writeevent", m_writeEvent))
+ {
+ delete ((Overlapped*)m_writeEvent);
+ eh->Shrink("windows_writeevent");
+ }
- if(eh->m_acceptEvent != 0)
+ if(eh->GetExt("windows_acceptevent", m_acceptEvent))
{
- delete ((accept_overlap*)((Overlapped*)eh->m_acceptEvent)->m_params);
- delete ((Overlapped*)eh->m_acceptEvent);
+ delete ((accept_overlap*)((Overlapped*)m_acceptEvent)->m_params);
+ delete ((Overlapped*)m_acceptEvent);
+ eh->Shrink("windows_accepevent");
}
/* Clear binding */
- ref[fake_fd] = 0;
+ ref[*fake_fd] = 0;
m_binding.erase(eh->GetFd());
+ delete fake_fd;
+ eh->Shrink("internal_fd");
+
/* decrement set size */
--CurrentSetSize;
void IOCPEngine::WantWrite(EventHandler* eh)
{
+ if (!eh)
+ return;
+
+ void* m_writeEvent = NULL;
+
+ int* fake_fd = NULL;
+ if (!eh->GetExt("internal_fd", fake_fd))
+ return;
+
/* Post event - write begin */
- if(!eh->m_writeEvent)
+ if(!eh->GetExt("windows_writeevent", m_writeEvent))
{
+ ULONG_PTR completion_key = (ULONG_PTR)*fake_fd;
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);
+ eh->Shrink("windows_writeevent");
+ eh->Extend("windows_writeevent",ov);
+ PostQueuedCompletionStatus(m_completionPort, 0, completion_key, &ov->m_overlap);
}
}
bool IOCPEngine::PostCompletionEvent(EventHandler * eh, SocketIOEvent type, int param)
{
+ if (!eh)
+ return false;
+
+ int* fake_fd = NULL;
+ if (!eh->GetExt("internal_fd", fake_fd))
+ return false;
+
Overlapped * ov = new Overlapped(type, param);
- return PostQueuedCompletionStatus(m_completionPort, 0, (ULONG_PTR)eh->m_internalFd, &ov->m_overlap);
+ ULONG_PTR completion_key = (ULONG_PTR)*fake_fd;
+ return PostQueuedCompletionStatus(m_completionPort, 0, completion_key, &ov->m_overlap);
}
void IOCPEngine::PostReadEvent(EventHandler * eh)
{
+ if (!eh)
+ return;
+
Overlapped * ov = new Overlapped(SOCKET_IO_EVENT_READ_READY, 0);
DWORD flags = 0;
DWORD r_length = 0;
{
case SOCK_DGRAM: /* UDP Socket */
{
- if(WSARecvFrom(eh->GetFd(), &buf, 1, &r_length, &flags, 0, 0, &ov->m_overlap, 0))
+ 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(WSAGetLastError() != WSA_IO_PENDING)
+ if(err != WSA_IO_PENDING)
{
delete ov;
PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, 0);
}
break;
}
- eh->m_readEvent = (void*)ov;
+ eh->Extend("windows_readevent", ov);
}
int IOCPEngine::DispatchEvents()
LPOVERLAPPED overlap;
Overlapped * ov;
EventHandler * eh;
- int intfd;
+ ULONG_PTR intfd;
int ret;
unsigned long bytes_recv;
- while(GetQueuedCompletionStatus(m_completionPort, &len, (PULONG_PTR)&intfd, &overlap, 100))
+ while (GetQueuedCompletionStatus(m_completionPort, &len, &intfd, &overlap, 1000))
{
+ if (intfd < 0 || intfd > MAX_DESCRIPTORS)
+ continue;
+
// woot, we got an event on a socket :P
eh = ref[intfd];
ov = CONTAINING_RECORD(overlap, Overlapped, m_overlap);
- if(eh == 0) continue;
+
+ if (eh == 0)
+ continue;
+
+ void* m_readEvent = NULL;
+ void* m_writeEvent = NULL;
+
+ eh->GetExt("windows_readevent", m_readEvent);
+ eh->GetExt("windows_writeevent", m_writeEvent);
+
switch(ov->m_event)
{
case SOCKET_IO_EVENT_WRITE_READY:
{
- eh->m_writeEvent = 0;
+ eh->Shrink("windows_writeevent");
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)
+ if(ov->m_params)
{
- /* end of file */
- PostCompletionEvent(eh, SOCKET_IO_EVENT_ERROR, EIO); /* Old macdonald had an error, EIEIO. */
+ // 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->Shrink("windows_readevent");
+ eh->HandleEvent(EVENT_READ, 0);
+ this->udp_ov = 0;
+ delete uv;
+ PostReadEvent(eh);
}
else
{
- eh->HandleEvent(EVENT_READ, 0);
- PostReadEvent(eh);
+ ret = ioctlsocket(eh->GetFd(), FIONREAD, &bytes_recv);
+ eh->Shrink("windows_readevent");
+ 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;
/* this is kinda messy.. :/ */
eh->HandleEvent(EVENT_READ, ov->m_params);
delete ((accept_overlap*)ov->m_params);
- eh->m_acceptEvent = 0;
+ eh->Shrink("windows_acceptevent");
PostAcceptEvent(eh);
}
break;
void IOCPEngine::PostAcceptEvent(EventHandler * eh)
{
+ if (!eh)
+ return;
+
+ int on = 1;
+ u_long arg = 1;
+ struct linger linger = { 0 };
+
int fd = WSASocket(AF_INET, SOCK_STREAM, 0, 0, 0, WSA_FLAG_OVERLAPPED);
+
+ setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, (char*)&on, sizeof(on));
+ /* This is BSD compatible, setting l_onoff to 0 is *NOT* http://web.irc.org/mla/ircd-dev/msg02259.html */
+ linger.l_onoff = 1;
+ linger.l_linger = 1;
+ setsockopt(fd, SOL_SOCKET, SO_LINGER, (char*)&linger,sizeof(linger));
+ ioctlsocket(fd, FIONBIO, &arg);
+
int len = sizeof(sockaddr_in) + 16;
DWORD dwBytes;
accept_overlap* ao = new accept_overlap;
ao->socket = fd;
Overlapped* ov = new Overlapped(SOCKET_IO_EVENT_ACCEPT, (int)ao);
- eh->m_acceptEvent = (void*)ov;
+ eh->Extend("windows_acceptevent", ov);
if(AcceptEx(eh->GetFd(), fd, ao->buf, 0, len, len, &dwBytes, &ov->m_overlap) == FALSE)
{
return "iocp";
}
-int __accept_socket(SOCKET s, sockaddr * addr, int * addrlen, void * acceptevent)
+EventHandler * IOCPEngine::GetRef(int fd)
{
- Overlapped* ovl = (Overlapped*)acceptevent;
- accept_overlap* ov = (accept_overlap*)ovl->m_params;
+ map<int, EventHandler*>::iterator itr = m_binding.find(fd);
+ return (itr == m_binding.end()) ? 0 : itr->second;
+}
+
+bool IOCPEngine::HasFd(int fd)
+{
+ return (GetRef(fd) != 0);
+}
+
+bool IOCPEngine::BoundsCheckFd(EventHandler* eh)
+{
+ int * internal_fd;
+ if (!eh || eh->GetFd() < 0)
+ return false;
+
+ if(!eh->GetExt("internal_fd", internal_fd))
+ return false;
+
+ if(*internal_fd > MAX_DESCRIPTORS)
+ return false;
+
+ return true;
+}
+
+EventHandler * IOCPEngine::GetIntRef(int fd)
+{
+ if(fd < 0 || fd > MAX_DESCRIPTORS)
+ return 0;
+ return ref[fd];
+}
+
+int IOCPEngine::Accept(EventHandler* fd, sockaddr *addr, socklen_t *addrlen)
+{
+ SOCKET s = fd->GetFd();
+
+ Overlapped* acceptevent = NULL;
+ if (!fd->GetExt("windows_acceptevent", acceptevent))
+ /* Shit, no accept event on this socket! :( */
+ return -1;
+ Overlapped* ovl = 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];
return ov->socket;
}
-int __getsockname(SOCKET s, sockaddr * name, int * namelen, void * acceptevent)
+int IOCPEngine::GetSockName(EventHandler* fd, sockaddr *name, socklen_t* name)
{
- Overlapped* ovl = (Overlapped*)acceptevent;
+ Overlapped* ovl = NULL;
+
+ if (!fd->GetExt("windows_acceptevent", acceptevent))
+ return -1;
+
accept_overlap* ov = (accept_overlap*)ovl->m_params;
sockaddr_in* server_address = (sockaddr_in*)&ov->buf[10];
return 0;
}
-EventHandler * IOCPEngine::GetRef(int fd)
+int IOCPEngine::RecvFrom(EventHandler* fd, void *buf, size_t len, int flags, struct sockaddr *from, socklen_t *fromlen)
{
- map<int, EventHandler*>::iterator itr = m_binding.find(fd);
- return (itr == m_binding.end()) ? 0 : itr->second;
+ udp_overlap * ov = NULL;
+ if (!fd->GetExt("windows_readevent", ov))
+ return -1;
+ memcpy(buf, ov->udp_buffer, ov->udp_len);
+ memcpy(from, ov->udp_sockaddr, *fromlen);
+ return ov->udp_len;
}
-bool IOCPEngine::HasFd(int fd)
+int IOCPEngine::Blocking(int fd)
{
- return (GetRef(fd) != 0);
+ unsigned long opt = 0;
+ ioctlsocket(s, FIONBIO, &opt);
}
-EventHandler * IOCPEngine::GetIntRef(int fd)
+int IOCPEngine::NonBlocking(int fd)
{
- if(fd < 0 || fd > MAX_DESCRIPTORS)
- return 0;
- return ref[fd];
+ unsigned long opt = 1;
+ ioctlsocket(s, FIONBIO, &opt);
+}
+
+int IOCPEngine::Close(int fd)
+{
+ return closesocket(socket);
+}
+
+int IOCPEngine::Close(EventHandler* fd)
+{
+ return this->Close(fd->GetFd());
}
projects / user / henk / code / inspircd.git / blobdiff