reactos/dll/win32/msafd/misc/event.c

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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Ancillary Function Driver DLL
* FILE: dll/win32/msafd/misc/event.c
* PURPOSE: Event handling
* PROGRAMMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
* Alex Ionescu (alex@relsoft.net)
* REVISIONS:
* CSH 15/06/2001 - Created
* Alex 16/07/2004 - Complete Rewrite
*/
#include <msafd.h>
int
WSPAPI
WSPEventSelect(
IN SOCKET Handle,
IN WSAEVENT hEventObject,
IN long lNetworkEvents,
OUT LPINT lpErrno)
{
IO_STATUS_BLOCK IOSB;
AFD_EVENT_SELECT_INFO EventSelectInfo;
PSOCKET_INFORMATION Socket = NULL;
NTSTATUS Status;
BOOLEAN BlockMode;
HANDLE SockEvent;
TRACE("WSPEventSelect (%lx) %lx %lx\n", Handle, hEventObject, lNetworkEvents);
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(Handle);
if (!Socket)
{
if (lpErrno) *lpErrno = WSAENOTSOCK;
return SOCKET_ERROR;
}
Status = NtCreateEvent(&SockEvent, EVENT_ALL_ACCESS,
NULL, SynchronizationEvent, FALSE);
if (!NT_SUCCESS(Status)) return SOCKET_ERROR;
/* Set Socket to Non-Blocking */
BlockMode = TRUE;
SetSocketInformation(Socket, AFD_INFO_BLOCKING_MODE, &BlockMode, NULL, NULL, NULL, NULL);
Socket->SharedData->NonBlocking = TRUE;
/* Deactivate Async Select if there is one */
if (Socket->EventObject) {
Socket->SharedData->hWnd = NULL;
Socket->SharedData->wMsg = 0;
Socket->SharedData->AsyncEvents = 0;
Socket->SharedData->SequenceNumber++; // This will kill Async Select after the next completion
}
/* Set Structure Info */
EventSelectInfo.EventObject = hEventObject;
EventSelectInfo.Events = 0;
/* Set Events to wait for */
if (lNetworkEvents & FD_READ) {
EventSelectInfo.Events |= AFD_EVENT_RECEIVE;
}
if (lNetworkEvents & FD_WRITE) {
EventSelectInfo.Events |= AFD_EVENT_SEND;
}
if (lNetworkEvents & FD_OOB) {
EventSelectInfo.Events |= AFD_EVENT_OOB_RECEIVE;
}
if (lNetworkEvents & FD_ACCEPT) {
EventSelectInfo.Events |= AFD_EVENT_ACCEPT;
}
if (lNetworkEvents & FD_CONNECT) {
EventSelectInfo.Events |= AFD_EVENT_CONNECT | AFD_EVENT_CONNECT_FAIL;
}
if (lNetworkEvents & FD_CLOSE) {
EventSelectInfo.Events |= AFD_EVENT_DISCONNECT | AFD_EVENT_ABORT | AFD_EVENT_CLOSE;
}
if (lNetworkEvents & FD_QOS) {
EventSelectInfo.Events |= AFD_EVENT_QOS;
}
if (lNetworkEvents & FD_GROUP_QOS) {
EventSelectInfo.Events |= AFD_EVENT_GROUP_QOS;
}
/* Send IOCTL */
Status = NtDeviceIoControlFile((HANDLE)Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_EVENT_SELECT,
&EventSelectInfo,
sizeof(EventSelectInfo),
NULL,
0);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
NtClose (SockEvent);
if (Status != STATUS_SUCCESS)
{
ERR("Got status 0x%08x.\n", Status);
return MsafdReturnWithErrno(Status, lpErrno, 0, NULL);
}
/* Set Socket Data*/
Socket->EventObject = hEventObject;
Socket->NetworkEvents = lNetworkEvents;
TRACE("Leaving\n");
return 0;
}
INT
WSPAPI
WSPEnumNetworkEvents(
IN SOCKET Handle,
IN WSAEVENT hEventObject,
OUT LPWSANETWORKEVENTS lpNetworkEvents,
OUT LPINT lpErrno)
{
AFD_ENUM_NETWORK_EVENTS_INFO EnumReq;
IO_STATUS_BLOCK IOSB;
PSOCKET_INFORMATION Socket = NULL;
NTSTATUS Status;
HANDLE SockEvent;
TRACE("Called (lpNetworkEvents %x)\n", lpNetworkEvents);
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(Handle);
if (!Socket)
{
if (lpErrno) *lpErrno = WSAENOTSOCK;
return SOCKET_ERROR;
}
if (!lpNetworkEvents)
{
if (lpErrno) *lpErrno = WSAEFAULT;
return SOCKET_ERROR;
}
Status = NtCreateEvent(&SockEvent, EVENT_ALL_ACCESS,
NULL, SynchronizationEvent, FALSE);
if( !NT_SUCCESS(Status) ) {
ERR("Could not make an event %x\n", Status);
return SOCKET_ERROR;
}
EnumReq.Event = hEventObject;
/* Send IOCTL */
Status = NtDeviceIoControlFile((HANDLE)Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_ENUM_NETWORK_EVENTS,
&EnumReq,
sizeof(EnumReq),
NULL,
0);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
NtClose (SockEvent);
if (Status != STATUS_SUCCESS)
{
ERR("Status 0x%08x", Status);
return MsafdReturnWithErrno(Status, lpErrno, 0, NULL);
}
lpNetworkEvents->lNetworkEvents = 0;
/* Set Events to wait for */
if (EnumReq.PollEvents & AFD_EVENT_RECEIVE) {
lpNetworkEvents->lNetworkEvents |= FD_READ;
lpNetworkEvents->iErrorCode[FD_READ_BIT] = TranslateNtStatusError(EnumReq.EventStatus[FD_READ_BIT]);
}
if (EnumReq.PollEvents & AFD_EVENT_SEND) {
lpNetworkEvents->lNetworkEvents |= FD_WRITE;
lpNetworkEvents->iErrorCode[FD_WRITE_BIT] = TranslateNtStatusError(EnumReq.EventStatus[FD_WRITE_BIT]);
}
if (EnumReq.PollEvents & AFD_EVENT_OOB_RECEIVE) {
lpNetworkEvents->lNetworkEvents |= FD_OOB;
lpNetworkEvents->iErrorCode[FD_OOB_BIT] = TranslateNtStatusError(EnumReq.EventStatus[FD_OOB_BIT]);
}
if (EnumReq.PollEvents & AFD_EVENT_ACCEPT) {
lpNetworkEvents->lNetworkEvents |= FD_ACCEPT;
lpNetworkEvents->iErrorCode[FD_ACCEPT_BIT] = TranslateNtStatusError(EnumReq.EventStatus[FD_ACCEPT_BIT]);
}
if (EnumReq.PollEvents &
(AFD_EVENT_CONNECT | AFD_EVENT_CONNECT_FAIL)) {
lpNetworkEvents->lNetworkEvents |= FD_CONNECT;
lpNetworkEvents->iErrorCode[FD_CONNECT_BIT] = TranslateNtStatusError(EnumReq.EventStatus[FD_CONNECT_BIT]);
}
if (EnumReq.PollEvents &
(AFD_EVENT_DISCONNECT | AFD_EVENT_ABORT | AFD_EVENT_CLOSE)) {
lpNetworkEvents->lNetworkEvents |= FD_CLOSE;
lpNetworkEvents->iErrorCode[FD_CLOSE_BIT] = TranslateNtStatusError(EnumReq.EventStatus[FD_CLOSE_BIT]);
}
if (EnumReq.PollEvents & AFD_EVENT_QOS) {
lpNetworkEvents->lNetworkEvents |= FD_QOS;
lpNetworkEvents->iErrorCode[FD_QOS_BIT] = TranslateNtStatusError(EnumReq.EventStatus[FD_QOS_BIT]);
}
if (EnumReq.PollEvents & AFD_EVENT_GROUP_QOS) {
lpNetworkEvents->lNetworkEvents |= FD_GROUP_QOS;
lpNetworkEvents->iErrorCode[FD_GROUP_QOS_BIT] = TranslateNtStatusError(EnumReq.EventStatus[FD_GROUP_QOS_BIT]);
}
TRACE("Leaving\n");
return MsafdReturnWithErrno(STATUS_SUCCESS, lpErrno, 0, NULL);
}
/* EOF */