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reactos/dll/win32/msafd/misc/dllmain.c
Cameron Gutman f337da0bfb - Handle STATUS_INVALID_PARAMETER 
svn path=/branches/aicom-network-fixes/; revision=35537
2008-08-22 19:30:33 +00:00

2343 lines
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/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS Ancillary Function Driver DLL
* FILE: misc/dllmain.c
* PURPOSE: DLL entry point
* PROGRAMMERS: Casper S. Hornstrup (chorns@users.sourceforge.net)
* Alex Ionescu (alex@relsoft.net)
* REVISIONS:
* CSH 01/09-2000 Created
* Alex 16/07/2004 - Complete Rewrite
*/
#include <msafd.h>
#include <debug.h>
#ifdef DBG
//DWORD DebugTraceLevel = DEBUG_ULTRA;
DWORD DebugTraceLevel = 0;
#endif /* DBG */
HANDLE GlobalHeap;
WSPUPCALLTABLE Upcalls;
LPWPUCOMPLETEOVERLAPPEDREQUEST lpWPUCompleteOverlappedRequest;
ULONG SocketCount = 0;
PSOCKET_INFORMATION *Sockets = NULL;
LIST_ENTRY SockHelpersListHead = {NULL};
ULONG SockAsyncThreadRefCount;
HANDLE SockAsyncHelperAfdHandle;
HANDLE SockAsyncCompletionPort;
BOOLEAN SockAsyncSelectCalled;
SOCKET
WSPAPI
WSPSocket(
int AddressFamily,
int SocketType,
int Protocol,
LPWSAPROTOCOL_INFOW lpProtocolInfo,
GROUP g,
DWORD dwFlags,
LPINT lpErrno)
/*
* FUNCTION: Creates a new socket
* ARGUMENTS:
* af = Address family
* type = Socket type
* protocol = Protocol type
* lpProtocolInfo = Pointer to protocol information
* g = Reserved
* dwFlags = Socket flags
* lpErrno = Address of buffer for error information
* RETURNS:
* Created socket, or INVALID_SOCKET if it could not be created
*/
{
OBJECT_ATTRIBUTES Object;
IO_STATUS_BLOCK IOSB;
USHORT SizeOfPacket;
ULONG SizeOfEA;
PAFD_CREATE_PACKET AfdPacket;
HANDLE Sock;
PSOCKET_INFORMATION Socket = NULL, PrevSocket = NULL;
PFILE_FULL_EA_INFORMATION EABuffer = NULL;
PHELPER_DATA HelperData;
PVOID HelperDLLContext;
DWORD HelperEvents;
UNICODE_STRING TransportName;
UNICODE_STRING DevName;
LARGE_INTEGER GroupData;
INT Status;
AFD_DbgPrint(MAX_TRACE, ("Creating Socket, getting TDI Name\n"));
AFD_DbgPrint(MAX_TRACE, ("AddressFamily (%d) SocketType (%d) Protocol (%d).\n",
AddressFamily, SocketType, Protocol));
/* Get Helper Data and Transport */
Status = SockGetTdiName (&AddressFamily,
&SocketType,
&Protocol,
g,
dwFlags,
&TransportName,
&HelperDLLContext,
&HelperData,
&HelperEvents);
/* Check for error */
if (Status != NO_ERROR) {
AFD_DbgPrint(MID_TRACE,("SockGetTdiName: Status %x\n", Status));
goto error;
}
/* AFD Device Name */
RtlInitUnicodeString(&DevName, L"\\Device\\Afd\\Endpoint");
/* Set Socket Data */
Socket = HeapAlloc(GlobalHeap, 0, sizeof(*Socket));
RtlZeroMemory(Socket, sizeof(*Socket));
Socket->RefCount = 2;
Socket->Handle = -1;
Socket->SharedData.State = SocketOpen;
Socket->SharedData.AddressFamily = AddressFamily;
Socket->SharedData.SocketType = SocketType;
Socket->SharedData.Protocol = Protocol;
Socket->HelperContext = HelperDLLContext;
Socket->HelperData = HelperData;
Socket->HelperEvents = HelperEvents;
Socket->LocalAddress = &Socket->WSLocalAddress;
Socket->SharedData.SizeOfLocalAddress = HelperData->MaxWSAddressLength;
Socket->RemoteAddress = &Socket->WSRemoteAddress;
Socket->SharedData.SizeOfRemoteAddress = HelperData->MaxWSAddressLength;
Socket->SharedData.UseDelayedAcceptance = HelperData->UseDelayedAcceptance;
Socket->SharedData.CreateFlags = dwFlags;
Socket->SharedData.CatalogEntryId = lpProtocolInfo->dwCatalogEntryId;
Socket->SharedData.ServiceFlags1 = lpProtocolInfo->dwServiceFlags1;
Socket->SharedData.ProviderFlags = lpProtocolInfo->dwProviderFlags;
Socket->SharedData.GroupID = g;
Socket->SharedData.GroupType = 0;
Socket->SharedData.UseSAN = FALSE;
Socket->SharedData.NonBlocking = FALSE; /* Sockets start blocking */
Socket->SanData = NULL;
/* Ask alex about this */
if( Socket->SharedData.SocketType == SOCK_DGRAM ||
Socket->SharedData.SocketType == SOCK_RAW ) {
AFD_DbgPrint(MID_TRACE,("Connectionless socket\n"));
Socket->SharedData.ServiceFlags1 |= XP1_CONNECTIONLESS;
}
/* Packet Size */
SizeOfPacket = TransportName.Length + sizeof(AFD_CREATE_PACKET) + sizeof(WCHAR);
/* EA Size */
SizeOfEA = SizeOfPacket + sizeof(FILE_FULL_EA_INFORMATION) + AFD_PACKET_COMMAND_LENGTH;
/* Set up EA Buffer */
EABuffer = HeapAlloc(GlobalHeap, 0, SizeOfEA);
RtlZeroMemory(EABuffer, SizeOfEA);
EABuffer->NextEntryOffset = 0;
EABuffer->Flags = 0;
EABuffer->EaNameLength = AFD_PACKET_COMMAND_LENGTH;
RtlCopyMemory (EABuffer->EaName,
AfdCommand,
AFD_PACKET_COMMAND_LENGTH + 1);
EABuffer->EaValueLength = SizeOfPacket;
/* Set up AFD Packet */
AfdPacket = (PAFD_CREATE_PACKET)(EABuffer->EaName + EABuffer->EaNameLength + 1);
AfdPacket->SizeOfTransportName = TransportName.Length;
RtlCopyMemory (AfdPacket->TransportName,
TransportName.Buffer,
TransportName.Length + sizeof(WCHAR));
AfdPacket->GroupID = g;
/* Set up Endpoint Flags */
if ((Socket->SharedData.ServiceFlags1 & XP1_CONNECTIONLESS) != 0) {
if ((SocketType != SOCK_DGRAM) && (SocketType != SOCK_RAW)) {
goto error; /* Only RAW or UDP can be Connectionless */
}
AfdPacket->EndpointFlags |= AFD_ENDPOINT_CONNECTIONLESS;
}
if ((Socket->SharedData.ServiceFlags1 & XP1_MESSAGE_ORIENTED) != 0) {
if (SocketType == SOCK_STREAM) {
if ((Socket->SharedData.ServiceFlags1 & XP1_PSEUDO_STREAM) == 0) {
goto error; /* The Provider doesn't actually support Message Oriented Streams */
}
}
AfdPacket->EndpointFlags |= AFD_ENDPOINT_MESSAGE_ORIENTED;
}
if (SocketType == SOCK_RAW) AfdPacket->EndpointFlags |= AFD_ENDPOINT_RAW;
if (dwFlags & (WSA_FLAG_MULTIPOINT_C_ROOT |
WSA_FLAG_MULTIPOINT_C_LEAF |
WSA_FLAG_MULTIPOINT_D_ROOT |
WSA_FLAG_MULTIPOINT_D_LEAF)) {
if ((Socket->SharedData.ServiceFlags1 & XP1_SUPPORT_MULTIPOINT) == 0) {
goto error; /* The Provider doesn't actually support Multipoint */
}
AfdPacket->EndpointFlags |= AFD_ENDPOINT_MULTIPOINT;
if (dwFlags & WSA_FLAG_MULTIPOINT_C_ROOT) {
if (((Socket->SharedData.ServiceFlags1 & XP1_MULTIPOINT_CONTROL_PLANE) == 0)
|| ((dwFlags & WSA_FLAG_MULTIPOINT_C_LEAF) != 0)) {
goto error; /* The Provider doesn't support Control Planes, or you already gave a leaf */
}
AfdPacket->EndpointFlags |= AFD_ENDPOINT_C_ROOT;
}
if (dwFlags & WSA_FLAG_MULTIPOINT_D_ROOT) {
if (((Socket->SharedData.ServiceFlags1 & XP1_MULTIPOINT_DATA_PLANE) == 0)
|| ((dwFlags & WSA_FLAG_MULTIPOINT_D_LEAF) != 0)) {
goto error; /* The Provider doesn't support Data Planes, or you already gave a leaf */
}
AfdPacket->EndpointFlags |= AFD_ENDPOINT_D_ROOT;
}
}
/* Set up Object Attributes */
InitializeObjectAttributes (&Object,
&DevName,
OBJ_CASE_INSENSITIVE | OBJ_INHERIT,
0,
0);
/* Create the Socket as asynchronous. That means we have to block
ourselves after every call to NtDeviceIoControlFile. This is
because the kernel doesn't support overlapping synchronous I/O
requests (made from multiple threads) at this time (Sep 2005) */
ZwCreateFile(&Sock,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
&Object,
&IOSB,
NULL,
0,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_OPEN_IF,
0,
EABuffer,
SizeOfEA);
/* Save Handle */
Socket->Handle = (SOCKET)Sock;
/* XXX See if there's a structure we can reuse -- We need to do this
* more properly. */
PrevSocket = GetSocketStructure( (SOCKET)Sock );
if( PrevSocket ) {
RtlCopyMemory( PrevSocket, Socket, sizeof(*Socket) );
RtlFreeHeap( GlobalHeap, 0, Socket );
Socket = PrevSocket;
}
/* Save Group Info */
if (g != 0) {
GetSocketInformation(Socket, AFD_INFO_GROUP_ID_TYPE, 0, &GroupData);
Socket->SharedData.GroupID = GroupData.u.LowPart;
Socket->SharedData.GroupType = GroupData.u.HighPart;
}
/* Get Window Sizes and Save them */
GetSocketInformation (Socket,
AFD_INFO_SEND_WINDOW_SIZE,
&Socket->SharedData.SizeOfSendBuffer,
NULL);
GetSocketInformation (Socket,
AFD_INFO_RECEIVE_WINDOW_SIZE,
&Socket->SharedData.SizeOfRecvBuffer,
NULL);
/* Save in Process Sockets List */
Sockets[SocketCount] = Socket;
SocketCount ++;
/* Create the Socket Context */
CreateContext(Socket);
/* Notify Winsock */
Upcalls.lpWPUModifyIFSHandle(1, (SOCKET)Sock, lpErrno);
/* Return Socket Handle */
AFD_DbgPrint(MID_TRACE,("Success %x\n", Sock));
return (SOCKET)Sock;
error:
AFD_DbgPrint(MID_TRACE,("Ending %x\n", Status));
if( lpErrno ) *lpErrno = Status;
return INVALID_SOCKET;
}
DWORD MsafdReturnWithErrno( NTSTATUS Status, LPINT Errno, DWORD Received,
LPDWORD ReturnedBytes ) {
if( ReturnedBytes ) *ReturnedBytes = 0;
if( Errno ) {
switch (Status) {
case STATUS_CANT_WAIT: *Errno = WSAEWOULDBLOCK; break;
case STATUS_TIMEOUT: *Errno = WSAETIMEDOUT; break;
case STATUS_SUCCESS:
/* Return Number of bytes Read */
if( ReturnedBytes ) *ReturnedBytes = Received; break;
case STATUS_END_OF_FILE: *Errno = WSAESHUTDOWN; break;
case STATUS_PENDING: *Errno = WSA_IO_PENDING; break;
case STATUS_BUFFER_TOO_SMALL: /* Fall through to STATUS_BUFFER_OVERFLOW */
case STATUS_BUFFER_OVERFLOW: DbgPrint("MSAFD: STATUS_BUFFER_TOO_SMALL/STATUS_BUFFER_OVERFLOW\n"); *Errno = WSAEMSGSIZE; break;
case STATUS_NO_MEMORY: /* Fall through to STATUS_INSUFFICIENT_RESOURCES */
case STATUS_INSUFFICIENT_RESOURCES: DbgPrint("MSAFD: STATUS_NO_MEMORY/STATUS_INSUFFICIENT_RESOURCES\n"); *Errno = WSA_NOT_ENOUGH_MEMORY; break;
case STATUS_INVALID_CONNECTION: DbgPrint("MSAFD: STATUS_INVALID_CONNECTION\n"); *Errno = WSAEAFNOSUPPORT; break;
case STATUS_REMOTE_NOT_LISTENING: DbgPrint("MSAFD: STATUS_REMOTE_NOT_LISTENING\n"); *Errno = WSAECONNRESET; break;
case STATUS_FILE_CLOSED: DbgPrint("MSAFD: STATUS_FILE_CLOSED\n"); *Errno = WSAENOTSOCK; break;
case STATUS_INVALID_PARAMETER: DbgPrint("MSAFD: STATUS_INVALID_PARAMETER\n"); *Errno = WSAEINVAL; break;
default:
DbgPrint("MSAFD: Error %x is unknown\n", Status);
*Errno = WSAEINVAL; break;
}
}
/* Success */
return Status == STATUS_SUCCESS ? 0 : SOCKET_ERROR;
}
INT
WSPAPI
WSPCloseSocket(
IN SOCKET Handle,
OUT LPINT lpErrno)
/*
* FUNCTION: Closes an open socket
* ARGUMENTS:
* s = Socket descriptor
* lpErrno = Address of buffer for error information
* RETURNS:
* NO_ERROR, or SOCKET_ERROR if the socket could not be closed
*/
{
IO_STATUS_BLOCK IoStatusBlock;
PSOCKET_INFORMATION Socket = NULL;
NTSTATUS Status;
HANDLE SockEvent;
AFD_DISCONNECT_INFO DisconnectInfo;
SOCKET_STATE OldState;
/* Create the Wait Event */
Status = NtCreateEvent(&SockEvent,
GENERIC_READ | GENERIC_WRITE,
NULL,
1,
FALSE);
if(!NT_SUCCESS(Status)) return SOCKET_ERROR;
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(Handle);
/* If a Close is already in Process, give up */
if (Socket->SharedData.State == SocketClosed) {
*lpErrno = WSAENOTSOCK;
return SOCKET_ERROR;
}
/* Set the state to close */
OldState = Socket->SharedData.State;
Socket->SharedData.State = SocketClosed;
/* If SO_LINGER is ON and the Socket is connected, we need to disconnect */
/* FIXME: Should we do this on Datagram Sockets too? */
if ((OldState == SocketConnected) && (Socket->SharedData.LingerData.l_onoff)) {
ULONG LingerWait;
ULONG SendsInProgress;
ULONG SleepWait;
/* We need to respect the timeout */
SleepWait = 100;
LingerWait = Socket->SharedData.LingerData.l_linger * 1000;
/* Loop until no more sends are pending, within the timeout */
while (LingerWait) {
/* Find out how many Sends are in Progress */
if (GetSocketInformation(Socket,
AFD_INFO_SENDS_IN_PROGRESS,
&SendsInProgress,
NULL)) {
/* Bail out if anything but NO_ERROR */
LingerWait = 0;
break;
}
/* Bail out if no more sends are pending */
if (!SendsInProgress) break;
/*
* We have to execute a sleep, so it's kind of like
* a block. If the socket is Nonblock, we cannot
* go on since asyncronous operation is expected
* and we cannot offer it
*/
if (Socket->SharedData.NonBlocking) {
Socket->SharedData.State = OldState;
*lpErrno = WSAEWOULDBLOCK;
return SOCKET_ERROR;
}
/* Now we can sleep, and decrement the linger wait */
/*
* FIXME: It seems Windows does some funky acceleration
* since the waiting seems to be longer and longer. I
* don't think this improves performance so much, so we
* wait a fixed time instead.
*/
Sleep(SleepWait);
LingerWait -= SleepWait;
}
/*
* We have reached the timeout or sends are over.
* Disconnect if the timeout has been reached.
*/
if (LingerWait <= 0) {
DisconnectInfo.Timeout = RtlConvertLongToLargeInteger(0);
DisconnectInfo.DisconnectType = AFD_DISCONNECT_ABORT;
/* Send IOCTL */
Status = NtDeviceIoControlFile((HANDLE)Handle,
SockEvent,
NULL,
NULL,
&IoStatusBlock,
IOCTL_AFD_DISCONNECT,
&DisconnectInfo,
sizeof(DisconnectInfo),
NULL,
0);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
}
}
}
/* FIXME: We should notify the Helper DLL of WSH_NOTIFY_CLOSE */
/* Cleanup Time! */
Socket->HelperContext = NULL;
Socket->SharedData.AsyncDisabledEvents = -1;
NtClose(Socket->TdiAddressHandle);
Socket->TdiAddressHandle = NULL;
NtClose(Socket->TdiConnectionHandle);
Socket->TdiConnectionHandle = NULL;
/* Close the handle */
NtClose((HANDLE)Handle);
return NO_ERROR;
}
INT
WSPAPI
WSPBind(
SOCKET Handle,
const struct sockaddr *SocketAddress,
int SocketAddressLength,
LPINT lpErrno)
/*
* FUNCTION: Associates a local address with a socket
* ARGUMENTS:
* s = Socket descriptor
* name = Pointer to local address
* namelen = Length of name
* lpErrno = Address of buffer for error information
* RETURNS:
* 0, or SOCKET_ERROR if the socket could not be bound
*/
{
IO_STATUS_BLOCK IOSB;
PAFD_BIND_DATA BindData;
PSOCKET_INFORMATION Socket = NULL;
NTSTATUS Status;
UCHAR BindBuffer[0x1A];
SOCKADDR_INFO SocketInfo;
HANDLE SockEvent;
Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
NULL, 1, FALSE );
if( !NT_SUCCESS(Status) ) return -1;
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(Handle);
/* Dynamic Structure...ugh */
BindData = (PAFD_BIND_DATA)BindBuffer;
/* Set up Address in TDI Format */
BindData->Address.TAAddressCount = 1;
BindData->Address.Address[0].AddressLength = SocketAddressLength - sizeof(SocketAddress->sa_family);
BindData->Address.Address[0].AddressType = SocketAddress->sa_family;
RtlCopyMemory (BindData->Address.Address[0].Address,
SocketAddress->sa_data,
SocketAddressLength - sizeof(SocketAddress->sa_family));
/* Get Address Information */
Socket->HelperData->WSHGetSockaddrType ((PSOCKADDR)SocketAddress,
SocketAddressLength,
&SocketInfo);
/* Set the Share Type */
if (Socket->SharedData.ExclusiveAddressUse) {
BindData->ShareType = AFD_SHARE_EXCLUSIVE;
}
else if (SocketInfo.EndpointInfo == SockaddrEndpointInfoWildcard) {
BindData->ShareType = AFD_SHARE_WILDCARD;
}
else if (Socket->SharedData.ReuseAddresses) {
BindData->ShareType = AFD_SHARE_REUSE;
} else {
BindData->ShareType = AFD_SHARE_UNIQUE;
}
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_BIND,
BindData,
0xA + Socket->SharedData.SizeOfLocalAddress, /* Can't figure out a way to calculate this in C*/
BindData,
0xA + Socket->SharedData.SizeOfLocalAddress); /* Can't figure out a way to calculate this C */
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
/* Set up Socket Data */
Socket->SharedData.State = SocketBound;
Socket->TdiAddressHandle = (HANDLE)IOSB.Information;
NtClose( SockEvent );
return MsafdReturnWithErrno
( Status, lpErrno, 0, NULL );
}
int
WSPAPI
WSPListen(
SOCKET Handle,
int Backlog,
LPINT lpErrno)
{
IO_STATUS_BLOCK IOSB;
AFD_LISTEN_DATA ListenData;
PSOCKET_INFORMATION Socket = NULL;
HANDLE SockEvent;
NTSTATUS Status;
Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
NULL, 1, FALSE );
if( !NT_SUCCESS(Status) ) return -1;
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(Handle);
/* Set Up Listen Structure */
ListenData.UseSAN = FALSE;
ListenData.UseDelayedAcceptance = Socket->SharedData.UseDelayedAcceptance;
ListenData.Backlog = Backlog;
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_START_LISTEN,
&ListenData,
sizeof(ListenData),
NULL,
0);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
/* Set to Listening */
Socket->SharedData.Listening = TRUE;
NtClose( SockEvent );
return MsafdReturnWithErrno
( Status, lpErrno, 0, NULL );
}
int
WSPAPI
WSPSelect(
int nfds,
fd_set *readfds,
fd_set *writefds,
fd_set *exceptfds,
struct timeval *timeout,
LPINT lpErrno)
{
IO_STATUS_BLOCK IOSB;
PAFD_POLL_INFO PollInfo;
NTSTATUS Status;
ULONG HandleCount, OutCount = 0;
ULONG PollBufferSize;
PVOID PollBuffer;
ULONG i, j = 0, x;
HANDLE SockEvent;
BOOL HandleCounted;
LARGE_INTEGER Timeout;
/* Find out how many sockets we have, and how large the buffer needs
* to be */
HandleCount =
( readfds ? readfds->fd_count : 0 ) +
( writefds ? writefds->fd_count : 0 ) +
( exceptfds ? exceptfds->fd_count : 0 );
if( HandleCount < 0 || nfds != 0 ) HandleCount = nfds * 3;
PollBufferSize = sizeof(*PollInfo) + (HandleCount * sizeof(AFD_HANDLE));
AFD_DbgPrint(MID_TRACE,("HandleCount: %d BufferSize: %d\n",
HandleCount, PollBufferSize));
/* Convert Timeout to NT Format */
if (timeout == NULL) {
Timeout.u.LowPart = -1;
Timeout.u.HighPart = 0x7FFFFFFF;
AFD_DbgPrint(MAX_TRACE,("Infinite timeout\n"));
} else {
Timeout = RtlEnlargedIntegerMultiply
((timeout->tv_sec * 1000) + (timeout->tv_usec / 1000), -10000);
/* Negative timeouts are illegal. Since the kernel represents an
* incremental timeout as a negative number, we check for a positive
* result.
*/
if (Timeout.QuadPart > 0) {
if (lpErrno) *lpErrno = WSAEINVAL;
return SOCKET_ERROR;
}
AFD_DbgPrint(MAX_TRACE,("Timeout: Orig %d.%06d kernel %d\n",
timeout->tv_sec, timeout->tv_usec,
Timeout.u.LowPart));
}
Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
NULL, 1, FALSE );
if( !NT_SUCCESS(Status) ) return SOCKET_ERROR;
/* Allocate */
PollBuffer = HeapAlloc(GlobalHeap, 0, PollBufferSize);
if (!PollBuffer) {
if (lpErrno) *lpErrno = WSAEFAULT;
NtClose(SockEvent);
return SOCKET_ERROR;
}
PollInfo = (PAFD_POLL_INFO)PollBuffer;
RtlZeroMemory( PollInfo, PollBufferSize );
/* Number of handles for AFD to Check */
PollInfo->HandleCount = HandleCount;
PollInfo->Exclusive = FALSE;
PollInfo->Timeout = Timeout;
if (readfds != NULL) {
for (i = 0; i < readfds->fd_count; i++, j++) {
PollInfo->Handles[j].Handle = readfds->fd_array[i];
PollInfo->Handles[j].Events = AFD_EVENT_RECEIVE |
AFD_EVENT_DISCONNECT |
AFD_EVENT_ABORT |
AFD_EVENT_ACCEPT;
}
}
if (writefds != NULL) {
for (i = 0; i < writefds->fd_count; i++, j++) {
PollInfo->Handles[j].Handle = writefds->fd_array[i];
PollInfo->Handles[j].Events = AFD_EVENT_SEND |
AFD_EVENT_CONNECT;
}
}
if (exceptfds != NULL) {
for (i = 0; i < exceptfds->fd_count; i++, j++) {
PollInfo->Handles[j].Handle = exceptfds->fd_array[i];
PollInfo->Handles[j].Events = AFD_EVENT_OOB_RECEIVE |
AFD_EVENT_CONNECT_FAIL;
}
}
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)PollInfo->Handles[0].Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_SELECT,
PollInfo,
PollBufferSize,
PollInfo,
PollBufferSize);
AFD_DbgPrint(MID_TRACE,("DeviceIoControlFile => %x\n", Status));
/* Wait for Completition */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
}
/* Clear the Structures */
if( readfds ) FD_ZERO(readfds);
if( writefds ) FD_ZERO(writefds);
if( exceptfds ) FD_ZERO(exceptfds);
/* Loop through return structure */
HandleCount = PollInfo->HandleCount;
/* Return in FDSET Format */
for (i = 0; i < HandleCount; i++) {
HandleCounted = FALSE;
for(x = 1; x; x<<=1) {
switch (PollInfo->Handles[i].Events & x) {
case AFD_EVENT_RECEIVE:
case AFD_EVENT_DISCONNECT:
case AFD_EVENT_ABORT:
case AFD_EVENT_ACCEPT:
case AFD_EVENT_CLOSE:
AFD_DbgPrint(MID_TRACE,("Event %x on handle %x\n",
PollInfo->Handles[i].Events,
PollInfo->Handles[i].Handle));
if (! HandleCounted) {
OutCount++;
HandleCounted = TRUE;
}
if( readfds ) FD_SET(PollInfo->Handles[i].Handle, readfds);
break;
case AFD_EVENT_SEND: case AFD_EVENT_CONNECT:
AFD_DbgPrint(MID_TRACE,("Event %x on handle %x\n",
PollInfo->Handles[i].Events,
PollInfo->Handles[i].Handle));
if (! HandleCounted) {
OutCount++;
HandleCounted = TRUE;
}
if( writefds ) FD_SET(PollInfo->Handles[i].Handle, writefds);
break;
case AFD_EVENT_OOB_RECEIVE: case AFD_EVENT_CONNECT_FAIL:
AFD_DbgPrint(MID_TRACE,("Event %x on handle %x\n",
PollInfo->Handles[i].Events,
PollInfo->Handles[i].Handle));
if (! HandleCounted) {
OutCount++;
HandleCounted = TRUE;
}
if( exceptfds ) FD_SET(PollInfo->Handles[i].Handle, exceptfds);
break;
}
}
}
HeapFree( GlobalHeap, 0, PollBuffer );
NtClose( SockEvent );
if( lpErrno ) {
switch( IOSB.Status ) {
case STATUS_SUCCESS:
case STATUS_TIMEOUT: *lpErrno = 0; break;
default: *lpErrno = WSAEINVAL; break;
}
AFD_DbgPrint(MID_TRACE,("*lpErrno = %x\n", *lpErrno));
}
AFD_DbgPrint(MID_TRACE,("%d events\n", OutCount));
return OutCount;
}
SOCKET
WSPAPI
WSPAccept(
SOCKET Handle,
struct sockaddr *SocketAddress,
int *SocketAddressLength,
LPCONDITIONPROC lpfnCondition,
DWORD_PTR dwCallbackData,
LPINT lpErrno)
{
IO_STATUS_BLOCK IOSB;
PAFD_RECEIVED_ACCEPT_DATA ListenReceiveData;
AFD_ACCEPT_DATA AcceptData;
AFD_DEFER_ACCEPT_DATA DeferData;
AFD_PENDING_ACCEPT_DATA PendingAcceptData;
PSOCKET_INFORMATION Socket = NULL;
NTSTATUS Status;
struct fd_set ReadSet;
struct timeval Timeout;
PVOID PendingData = NULL;
ULONG PendingDataLength = 0;
PVOID CalleeDataBuffer;
WSABUF CallerData, CalleeID, CallerID, CalleeData;
PSOCKADDR RemoteAddress = NULL;
GROUP GroupID = 0;
ULONG CallBack;
WSAPROTOCOL_INFOW ProtocolInfo;
SOCKET AcceptSocket;
UCHAR ReceiveBuffer[0x1A];
HANDLE SockEvent;
Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
NULL, 1, FALSE );
if( !NT_SUCCESS(Status) ) {
MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
return INVALID_SOCKET;
}
/* Dynamic Structure...ugh */
ListenReceiveData = (PAFD_RECEIVED_ACCEPT_DATA)ReceiveBuffer;
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(Handle);
/* If this is non-blocking, make sure there's something for us to accept */
FD_ZERO(&ReadSet);
FD_SET(Socket->Handle, &ReadSet);
Timeout.tv_sec=0;
Timeout.tv_usec=0;
WSPSelect(0, &ReadSet, NULL, NULL, &Timeout, NULL);
if (ReadSet.fd_array[0] != Socket->Handle) return 0;
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_WAIT_FOR_LISTEN,
NULL,
0,
ListenReceiveData,
0xA + sizeof(*ListenReceiveData));
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
if (!NT_SUCCESS(Status)) {
NtClose( SockEvent );
MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
return INVALID_SOCKET;
}
if (lpfnCondition != NULL) {
if ((Socket->SharedData.ServiceFlags1 & XP1_CONNECT_DATA) != 0) {
/* Find out how much data is pending */
PendingAcceptData.SequenceNumber = ListenReceiveData->SequenceNumber;
PendingAcceptData.ReturnSize = TRUE;
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_GET_PENDING_CONNECT_DATA,
&PendingAcceptData,
sizeof(PendingAcceptData),
&PendingAcceptData,
sizeof(PendingAcceptData));
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
if (!NT_SUCCESS(Status)) {
NtClose( SockEvent );
MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
return INVALID_SOCKET;
}
/* How much data to allocate */
PendingDataLength = IOSB.Information;
if (PendingDataLength) {
/* Allocate needed space */
PendingData = HeapAlloc(GlobalHeap, 0, PendingDataLength);
/* We want the data now */
PendingAcceptData.ReturnSize = FALSE;
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_GET_PENDING_CONNECT_DATA,
&PendingAcceptData,
sizeof(PendingAcceptData),
PendingData,
PendingDataLength);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
if (!NT_SUCCESS(Status)) {
NtClose( SockEvent );
MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
return INVALID_SOCKET;
}
}
}
if ((Socket->SharedData.ServiceFlags1 & XP1_QOS_SUPPORTED) != 0) {
/* I don't support this yet */
}
/* Build Callee ID */
CalleeID.buf = (PVOID)Socket->LocalAddress;
CalleeID.len = Socket->SharedData.SizeOfLocalAddress;
/* Set up Address in SOCKADDR Format */
RtlCopyMemory (RemoteAddress,
&ListenReceiveData->Address.Address[0].AddressType,
sizeof(*RemoteAddress));
/* Build Caller ID */
CallerID.buf = (PVOID)RemoteAddress;
CallerID.len = sizeof(*RemoteAddress);
/* Build Caller Data */
CallerData.buf = PendingData;
CallerData.len = PendingDataLength;
/* Check if socket supports Conditional Accept */
if (Socket->SharedData.UseDelayedAcceptance != 0) {
/* Allocate Buffer for Callee Data */
CalleeDataBuffer = HeapAlloc(GlobalHeap, 0, 4096);
CalleeData.buf = CalleeDataBuffer;
CalleeData.len = 4096;
} else {
/* Nothing */
CalleeData.buf = 0;
CalleeData.len = 0;
}
/* Call the Condition Function */
CallBack = (lpfnCondition)( &CallerID,
CallerData.buf == NULL
? NULL
: & CallerData,
NULL,
NULL,
&CalleeID,
CalleeData.buf == NULL
? NULL
: & CalleeData,
&GroupID,
dwCallbackData);
if (((CallBack == CF_ACCEPT) && GroupID) != 0) {
/* TBD: Check for Validity */
}
if (CallBack == CF_ACCEPT) {
if ((Socket->SharedData.ServiceFlags1 & XP1_QOS_SUPPORTED) != 0) {
/* I don't support this yet */
}
if (CalleeData.buf) {
// SockSetConnectData Sockets(SocketID), IOCTL_AFD_SET_CONNECT_DATA, CalleeData.Buffer, CalleeData.BuffSize, 0
}
} else {
/* Callback rejected. Build Defer Structure */
DeferData.SequenceNumber = ListenReceiveData->SequenceNumber;
DeferData.RejectConnection = (CallBack == CF_REJECT);
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_DEFER_ACCEPT,
&DeferData,
sizeof(DeferData),
NULL,
0);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
NtClose( SockEvent );
if (!NT_SUCCESS(Status)) {
MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
return INVALID_SOCKET;
}
if (CallBack == CF_REJECT ) {
*lpErrno = WSAECONNREFUSED;
return INVALID_SOCKET;
} else {
*lpErrno = WSAECONNREFUSED;
return INVALID_SOCKET;
}
}
}
/* Create a new Socket */
ProtocolInfo.dwCatalogEntryId = Socket->SharedData.CatalogEntryId;
ProtocolInfo.dwServiceFlags1 = Socket->SharedData.ServiceFlags1;
ProtocolInfo.dwProviderFlags = Socket->SharedData.ProviderFlags;
AcceptSocket = WSPSocket (Socket->SharedData.AddressFamily,
Socket->SharedData.SocketType,
Socket->SharedData.Protocol,
&ProtocolInfo,
GroupID,
Socket->SharedData.CreateFlags,
NULL);
/* Set up the Accept Structure */
AcceptData.ListenHandle = AcceptSocket;
AcceptData.SequenceNumber = ListenReceiveData->SequenceNumber;
/* Send IOCTL to Accept */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_ACCEPT,
&AcceptData,
sizeof(AcceptData),
NULL,
0);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
if (!NT_SUCCESS(Status)) {
WSPCloseSocket( AcceptSocket, lpErrno );
MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
return INVALID_SOCKET;
}
/* Return Address in SOCKADDR FORMAT */
if( SocketAddress ) {
RtlCopyMemory (SocketAddress,
&ListenReceiveData->Address.Address[0].AddressType,
sizeof(*RemoteAddress));
if( SocketAddressLength )
*SocketAddressLength =
ListenReceiveData->Address.Address[0].AddressLength;
}
NtClose( SockEvent );
/* Re-enable Async Event */
SockReenableAsyncSelectEvent(Socket, FD_ACCEPT);
AFD_DbgPrint(MID_TRACE,("Socket %x\n", AcceptSocket));
*lpErrno = 0;
/* Return Socket */
return AcceptSocket;
}
int
WSPAPI
WSPConnect(
SOCKET Handle,
const struct sockaddr * SocketAddress,
int SocketAddressLength,
LPWSABUF lpCallerData,
LPWSABUF lpCalleeData,
LPQOS lpSQOS,
LPQOS lpGQOS,
LPINT lpErrno)
{
IO_STATUS_BLOCK IOSB;
PAFD_CONNECT_INFO ConnectInfo;
PSOCKET_INFORMATION Socket = NULL;
NTSTATUS Status;
UCHAR ConnectBuffer[0x22];
ULONG ConnectDataLength;
ULONG InConnectDataLength;
INT BindAddressLength;
PSOCKADDR BindAddress;
HANDLE SockEvent;
Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
NULL, 1, FALSE );
if( !NT_SUCCESS(Status) ) return -1;
AFD_DbgPrint(MID_TRACE,("Called\n"));
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(Handle);
/* Bind us First */
if (Socket->SharedData.State == SocketOpen) {
/* Get the Wildcard Address */
BindAddressLength = Socket->HelperData->MaxWSAddressLength;
BindAddress = HeapAlloc(GetProcessHeap(), 0, BindAddressLength);
Socket->HelperData->WSHGetWildcardSockaddr (Socket->HelperContext,
BindAddress,
&BindAddressLength);
/* Bind it */
WSPBind(Handle, BindAddress, BindAddressLength, NULL);
}
/* Set the Connect Data */
if (lpCallerData != NULL) {
ConnectDataLength = lpCallerData->len;
Status = NtDeviceIoControlFile((HANDLE)Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_SET_CONNECT_DATA,
lpCallerData->buf,
ConnectDataLength,
NULL,
0);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
}
/* Dynamic Structure...ugh */
ConnectInfo = (PAFD_CONNECT_INFO)ConnectBuffer;
/* Set up Address in TDI Format */
ConnectInfo->RemoteAddress.TAAddressCount = 1;
ConnectInfo->RemoteAddress.Address[0].AddressLength = SocketAddressLength - sizeof(SocketAddress->sa_family);
ConnectInfo->RemoteAddress.Address[0].AddressType = SocketAddress->sa_family;
RtlCopyMemory (ConnectInfo->RemoteAddress.Address[0].Address,
SocketAddress->sa_data,
SocketAddressLength - sizeof(SocketAddress->sa_family));
/*
* Disable FD_WRITE and FD_CONNECT
* The latter fixes a race condition where the FD_CONNECT is re-enabled
* at the end of this function right after the Async Thread disables it.
* This should only happen at the *next* WSPConnect
*/
if (Socket->SharedData.AsyncEvents & FD_CONNECT) {
Socket->SharedData.AsyncDisabledEvents |= FD_CONNECT | FD_WRITE;
}
/* Tell AFD that we want Connection Data back, have it allocate a buffer */
if (lpCalleeData != NULL) {
InConnectDataLength = lpCalleeData->len;
Status = NtDeviceIoControlFile((HANDLE)Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_SET_CONNECT_DATA_SIZE,
&InConnectDataLength,
sizeof(InConnectDataLength),
NULL,
0);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
}
/* AFD doesn't seem to care if these are invalid, but let's 0 them anyways */
ConnectInfo->Root = 0;
ConnectInfo->UseSAN = FALSE;
ConnectInfo->Unknown = 0;
/* FIXME: Handle Async Connect */
if (Socket->SharedData.NonBlocking) {
AFD_DbgPrint(MIN_TRACE, ("Async Connect UNIMPLEMENTED!\n"));
}
/* Send IOCTL */
Status = NtDeviceIoControlFile((HANDLE)Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_CONNECT,
ConnectInfo,
0x22,
NULL,
0);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
/* Get any pending connect data */
if (lpCalleeData != NULL) {
Status = NtDeviceIoControlFile((HANDLE)Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_GET_CONNECT_DATA,
NULL,
0,
lpCalleeData->buf,
lpCalleeData->len);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
}
/* Re-enable Async Event */
SockReenableAsyncSelectEvent(Socket, FD_WRITE);
/* FIXME: THIS IS NOT RIGHT!!! HACK HACK HACK! */
SockReenableAsyncSelectEvent(Socket, FD_CONNECT);
AFD_DbgPrint(MID_TRACE,("Ending\n"));
NtClose( SockEvent );
return MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
}
int
WSPAPI
WSPShutdown(
SOCKET Handle,
int HowTo,
LPINT lpErrno)
{
IO_STATUS_BLOCK IOSB;
AFD_DISCONNECT_INFO DisconnectInfo;
PSOCKET_INFORMATION Socket = NULL;
NTSTATUS Status;
HANDLE SockEvent;
Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
NULL, 1, FALSE );
if( !NT_SUCCESS(Status) ) return -1;
AFD_DbgPrint(MID_TRACE,("Called\n"));
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(Handle);
/* Set AFD Disconnect Type */
switch (HowTo) {
case SD_RECEIVE:
DisconnectInfo.DisconnectType = AFD_DISCONNECT_RECV;
Socket->SharedData.ReceiveShutdown = TRUE;
break;
case SD_SEND:
DisconnectInfo.DisconnectType= AFD_DISCONNECT_SEND;
Socket->SharedData.SendShutdown = TRUE;
break;
case SD_BOTH:
DisconnectInfo.DisconnectType = AFD_DISCONNECT_RECV | AFD_DISCONNECT_SEND;
Socket->SharedData.ReceiveShutdown = TRUE;
Socket->SharedData.SendShutdown = TRUE;
break;
}
DisconnectInfo.Timeout = RtlConvertLongToLargeInteger(-1);
/* Send IOCTL */
Status = NtDeviceIoControlFile((HANDLE)Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_DISCONNECT,
&DisconnectInfo,
sizeof(DisconnectInfo),
NULL,
0);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
AFD_DbgPrint(MID_TRACE,("Ending\n"));
NtClose( SockEvent );
return MsafdReturnWithErrno( Status, lpErrno, 0, NULL );
}
INT
WSPAPI
WSPGetSockName(
IN SOCKET Handle,
OUT LPSOCKADDR Name,
IN OUT LPINT NameLength,
OUT LPINT lpErrno)
{
IO_STATUS_BLOCK IOSB;
ULONG TdiAddressSize;
PTDI_ADDRESS_INFO TdiAddress;
PTRANSPORT_ADDRESS SocketAddress;
PSOCKET_INFORMATION Socket = NULL;
NTSTATUS Status;
HANDLE SockEvent;
Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
NULL, 1, FALSE );
if( !NT_SUCCESS(Status) ) return SOCKET_ERROR;
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(Handle);
/* Allocate a buffer for the address */
TdiAddressSize = FIELD_OFFSET(TDI_ADDRESS_INFO,
Address.Address[0].Address) +
Socket->SharedData.SizeOfLocalAddress;
TdiAddress = HeapAlloc(GlobalHeap, 0, TdiAddressSize);
if ( TdiAddress == NULL ) {
NtClose( SockEvent );
*lpErrno = WSAENOBUFS;
return SOCKET_ERROR;
}
SocketAddress = &TdiAddress->Address;
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_GET_SOCK_NAME,
NULL,
0,
TdiAddress,
TdiAddressSize);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
NtClose( SockEvent );
if (NT_SUCCESS(Status)) {
if (*NameLength >= SocketAddress->Address[0].AddressLength) {
Name->sa_family = SocketAddress->Address[0].AddressType;
RtlCopyMemory (Name->sa_data,
SocketAddress->Address[0].Address,
SocketAddress->Address[0].AddressLength);
*NameLength = 2 + SocketAddress->Address[0].AddressLength;
AFD_DbgPrint
(MID_TRACE,
("NameLength %d Address: %x Port %x\n",
*NameLength,
((struct sockaddr_in *)Name)->sin_addr.s_addr,
((struct sockaddr_in *)Name)->sin_port));
HeapFree(GlobalHeap, 0, TdiAddress);
return 0;
} else {
HeapFree(GlobalHeap, 0, TdiAddress);
*lpErrno = WSAEFAULT;
return SOCKET_ERROR;
}
}
return MsafdReturnWithErrno
( Status, lpErrno, 0, NULL );
}
INT
WSPAPI
WSPGetPeerName(
IN SOCKET s,
OUT LPSOCKADDR Name,
IN OUT LPINT NameLength,
OUT LPINT lpErrno)
{
IO_STATUS_BLOCK IOSB;
ULONG TdiAddressSize;
PTDI_ADDRESS_INFO TdiAddress;
PTRANSPORT_ADDRESS SocketAddress;
PSOCKET_INFORMATION Socket = NULL;
NTSTATUS Status;
HANDLE SockEvent;
Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
NULL, 1, FALSE );
if( !NT_SUCCESS(Status) ) return SOCKET_ERROR;
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(s);
/* Allocate a buffer for the address */
TdiAddressSize = FIELD_OFFSET(TDI_ADDRESS_INFO,
Address.Address[0].Address) +
Socket->SharedData.SizeOfLocalAddress;
TdiAddress = HeapAlloc(GlobalHeap, 0, TdiAddressSize);
if ( TdiAddress == NULL ) {
NtClose( SockEvent );
*lpErrno = WSAENOBUFS;
return SOCKET_ERROR;
}
SocketAddress = &TdiAddress->Address;
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_GET_PEER_NAME,
NULL,
0,
TdiAddress,
TdiAddressSize);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
Status = IOSB.Status;
}
NtClose( SockEvent );
if (NT_SUCCESS(Status)) {
if (*NameLength >= SocketAddress->Address[0].AddressLength) {
Name->sa_family = SocketAddress->Address[0].AddressType;
RtlCopyMemory (Name->sa_data,
SocketAddress->Address[0].Address,
SocketAddress->Address[0].AddressLength);
*NameLength = 2 + SocketAddress->Address[0].AddressLength;
AFD_DbgPrint
(MID_TRACE,
("NameLength %d Address: %s Port %x\n",
*NameLength,
((struct sockaddr_in *)Name)->sin_addr.s_addr,
((struct sockaddr_in *)Name)->sin_port));
HeapFree(GlobalHeap, 0, TdiAddress);
return 0;
} else {
HeapFree(GlobalHeap, 0, TdiAddress);
*lpErrno = WSAEFAULT;
return SOCKET_ERROR;
}
}
return MsafdReturnWithErrno
( Status, lpErrno, 0, NULL );
}
INT
WSPAPI
WSPIoctl(
IN SOCKET Handle,
IN DWORD dwIoControlCode,
IN LPVOID lpvInBuffer,
IN DWORD cbInBuffer,
OUT LPVOID lpvOutBuffer,
IN DWORD cbOutBuffer,
OUT LPDWORD lpcbBytesReturned,
IN LPWSAOVERLAPPED lpOverlapped,
IN LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine,
IN LPWSATHREADID lpThreadId,
OUT LPINT lpErrno)
{
PSOCKET_INFORMATION Socket = NULL;
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(Handle);
switch( dwIoControlCode ) {
case FIONBIO:
if( cbInBuffer < sizeof(INT) ) return SOCKET_ERROR;
Socket->SharedData.NonBlocking = *((PINT)lpvInBuffer) ? 1 : 0;
AFD_DbgPrint(MID_TRACE,("[%x] Set nonblocking %d\n",
Handle, Socket->SharedData.NonBlocking));
return 0;
case FIONREAD:
return GetSocketInformation(Socket, AFD_INFO_RECEIVE_CONTENT_SIZE, (PULONG)lpvOutBuffer, NULL);
default:
*lpErrno = WSAEINVAL;
return SOCKET_ERROR;
}
}
INT
WSPAPI
WSPGetSockOpt(
IN SOCKET Handle,
IN INT Level,
IN INT OptionName,
OUT CHAR FAR* OptionValue,
IN OUT LPINT OptionLength,
OUT LPINT lpErrno)
{
PSOCKET_INFORMATION Socket = NULL;
PVOID Buffer;
INT BufferSize;
BOOLEAN BoolBuffer;
/* Get the Socket Structure associate to this Socket*/
Socket = GetSocketStructure(Handle);
if (Socket == NULL)
{
*lpErrno = WSAENOTSOCK;
return SOCKET_ERROR;
}
AFD_DbgPrint(MID_TRACE, ("Called\n"));
switch (Level)
{
case SOL_SOCKET:
switch (OptionName)
{
case SO_TYPE:
Buffer = &Socket->SharedData.SocketType;
BufferSize = sizeof(INT);
break;
case SO_RCVBUF:
Buffer = &Socket->SharedData.SizeOfRecvBuffer;
BufferSize = sizeof(INT);
break;
case SO_SNDBUF:
Buffer = &Socket->SharedData.SizeOfSendBuffer;
BufferSize = sizeof(INT);
break;
case SO_ACCEPTCONN:
BoolBuffer = Socket->SharedData.Listening;
Buffer = &BoolBuffer;
BufferSize = sizeof(BOOLEAN);
break;
case SO_BROADCAST:
BoolBuffer = Socket->SharedData.Broadcast;
Buffer = &BoolBuffer;
BufferSize = sizeof(BOOLEAN);
break;
case SO_DEBUG:
BoolBuffer = Socket->SharedData.Debug;
Buffer = &BoolBuffer;
BufferSize = sizeof(BOOLEAN);
break;
/* case SO_CONDITIONAL_ACCEPT: */
case SO_DONTLINGER:
case SO_DONTROUTE:
case SO_ERROR:
case SO_GROUP_ID:
case SO_GROUP_PRIORITY:
case SO_KEEPALIVE:
case SO_LINGER:
case SO_MAX_MSG_SIZE:
case SO_OOBINLINE:
case SO_PROTOCOL_INFO:
case SO_REUSEADDR:
AFD_DbgPrint(MID_TRACE, ("Unimplemented option (%x)\n",
OptionName));
default:
*lpErrno = WSAEINVAL;
return SOCKET_ERROR;
}
if (*OptionLength < BufferSize)
{
*lpErrno = WSAEFAULT;
*OptionLength = BufferSize;
return SOCKET_ERROR;
}
RtlCopyMemory(OptionValue, Buffer, BufferSize);
return 0;
case IPPROTO_TCP: /* FIXME */
default:
*lpErrno = WSAEINVAL;
return SOCKET_ERROR;
}
}
INT
WSPAPI
WSPStartup(
IN WORD wVersionRequested,
OUT LPWSPDATA lpWSPData,
IN LPWSAPROTOCOL_INFOW lpProtocolInfo,
IN WSPUPCALLTABLE UpcallTable,
OUT LPWSPPROC_TABLE lpProcTable)
/*
* FUNCTION: Initialize service provider for a client
* ARGUMENTS:
* wVersionRequested = Highest WinSock SPI version that the caller can use
* lpWSPData = Address of WSPDATA structure to initialize
* lpProtocolInfo = Pointer to structure that defines the desired protocol
* UpcallTable = Pointer to upcall table of the WinSock DLL
* lpProcTable = Address of procedure table to initialize
* RETURNS:
* Status of operation
*/
{
NTSTATUS Status;
AFD_DbgPrint(MAX_TRACE, ("wVersionRequested (0x%X) \n", wVersionRequested));
Status = NO_ERROR;
Upcalls = UpcallTable;
if (Status == NO_ERROR) {
lpProcTable->lpWSPAccept = WSPAccept;
lpProcTable->lpWSPAddressToString = WSPAddressToString;
lpProcTable->lpWSPAsyncSelect = WSPAsyncSelect;
lpProcTable->lpWSPBind = WSPBind;
lpProcTable->lpWSPCancelBlockingCall = WSPCancelBlockingCall;
lpProcTable->lpWSPCleanup = WSPCleanup;
lpProcTable->lpWSPCloseSocket = WSPCloseSocket;
lpProcTable->lpWSPConnect = WSPConnect;
lpProcTable->lpWSPDuplicateSocket = WSPDuplicateSocket;
lpProcTable->lpWSPEnumNetworkEvents = WSPEnumNetworkEvents;
lpProcTable->lpWSPEventSelect = WSPEventSelect;
lpProcTable->lpWSPGetOverlappedResult = WSPGetOverlappedResult;
lpProcTable->lpWSPGetPeerName = WSPGetPeerName;
lpProcTable->lpWSPGetSockName = WSPGetSockName;
lpProcTable->lpWSPGetSockOpt = WSPGetSockOpt;
lpProcTable->lpWSPGetQOSByName = WSPGetQOSByName;
lpProcTable->lpWSPIoctl = WSPIoctl;
lpProcTable->lpWSPJoinLeaf = WSPJoinLeaf;
lpProcTable->lpWSPListen = WSPListen;
lpProcTable->lpWSPRecv = WSPRecv;
lpProcTable->lpWSPRecvDisconnect = WSPRecvDisconnect;
lpProcTable->lpWSPRecvFrom = WSPRecvFrom;
lpProcTable->lpWSPSelect = WSPSelect;
lpProcTable->lpWSPSend = WSPSend;
lpProcTable->lpWSPSendDisconnect = WSPSendDisconnect;
lpProcTable->lpWSPSendTo = WSPSendTo;
lpProcTable->lpWSPSetSockOpt = WSPSetSockOpt;
lpProcTable->lpWSPShutdown = WSPShutdown;
lpProcTable->lpWSPSocket = WSPSocket;
lpProcTable->lpWSPStringToAddress = WSPStringToAddress;
lpWSPData->wVersion = MAKEWORD(2, 2);
lpWSPData->wHighVersion = MAKEWORD(2, 2);
}
AFD_DbgPrint(MAX_TRACE, ("Status (%d).\n", Status));
return Status;
}
INT
WSPAPI
WSPCleanup(
OUT LPINT lpErrno)
/*
* FUNCTION: Cleans up service provider for a client
* ARGUMENTS:
* lpErrno = Address of buffer for error information
* RETURNS:
* 0 if successful, or SOCKET_ERROR if not
*/
{
AFD_DbgPrint(MAX_TRACE, ("\n"));
AFD_DbgPrint(MAX_TRACE, ("Leaving.\n"));
*lpErrno = NO_ERROR;
return 0;
}
int
GetSocketInformation(
PSOCKET_INFORMATION Socket,
ULONG AfdInformationClass,
PULONG Ulong OPTIONAL,
PLARGE_INTEGER LargeInteger OPTIONAL)
{
IO_STATUS_BLOCK IOSB;
AFD_INFO InfoData;
NTSTATUS Status;
HANDLE SockEvent;
Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
NULL, 1, FALSE );
if( !NT_SUCCESS(Status) ) return -1;
/* Set Info Class */
InfoData.InformationClass = AfdInformationClass;
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_GET_INFO,
&InfoData,
sizeof(InfoData),
&InfoData,
sizeof(InfoData));
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
}
/* Return Information */
*Ulong = InfoData.Information.Ulong;
if (LargeInteger != NULL) {
*LargeInteger = InfoData.Information.LargeInteger;
}
NtClose( SockEvent );
return 0;
}
int
SetSocketInformation(
PSOCKET_INFORMATION Socket,
ULONG AfdInformationClass,
PULONG Ulong OPTIONAL,
PLARGE_INTEGER LargeInteger OPTIONAL)
{
IO_STATUS_BLOCK IOSB;
AFD_INFO InfoData;
NTSTATUS Status;
HANDLE SockEvent;
Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
NULL, 1, FALSE );
if( !NT_SUCCESS(Status) ) return -1;
/* Set Info Class */
InfoData.InformationClass = AfdInformationClass;
/* Set Information */
InfoData.Information.Ulong = *Ulong;
if (LargeInteger != NULL) {
InfoData.Information.LargeInteger = *LargeInteger;
}
AFD_DbgPrint(MID_TRACE,("XXX Info %x (Data %x)\n",
AfdInformationClass, *Ulong));
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_GET_INFO,
&InfoData,
sizeof(InfoData),
NULL,
0);
/* Wait for return */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
}
NtClose( SockEvent );
return 0;
}
PSOCKET_INFORMATION
GetSocketStructure(
SOCKET Handle)
{
ULONG i;
for (i=0; i<SocketCount; i++) {
if (Sockets[i]->Handle == Handle) {
return Sockets[i];
}
}
return 0;
}
int CreateContext(PSOCKET_INFORMATION Socket)
{
IO_STATUS_BLOCK IOSB;
SOCKET_CONTEXT ContextData;
NTSTATUS Status;
HANDLE SockEvent;
Status = NtCreateEvent( &SockEvent, GENERIC_READ | GENERIC_WRITE,
NULL, 1, FALSE );
if( !NT_SUCCESS(Status) ) return -1;
/* Create Context */
ContextData.SharedData = Socket->SharedData;
ContextData.SizeOfHelperData = 0;
RtlCopyMemory (&ContextData.LocalAddress,
Socket->LocalAddress,
Socket->SharedData.SizeOfLocalAddress);
RtlCopyMemory (&ContextData.RemoteAddress,
Socket->RemoteAddress,
Socket->SharedData.SizeOfRemoteAddress);
/* Send IOCTL */
Status = NtDeviceIoControlFile( (HANDLE)Socket->Handle,
SockEvent,
NULL,
NULL,
&IOSB,
IOCTL_AFD_SET_CONTEXT,
&ContextData,
sizeof(ContextData),
NULL,
0);
/* Wait for Completition */
if (Status == STATUS_PENDING) {
WaitForSingleObject(SockEvent, INFINITE);
}
NtClose( SockEvent );
return 0;
}
BOOLEAN SockCreateOrReferenceAsyncThread(VOID)
{
HANDLE hAsyncThread;
DWORD AsyncThreadId;
HANDLE AsyncEvent;
OBJECT_HANDLE_ATTRIBUTE_INFORMATION HandleFlags;
NTSTATUS Status;
/* Check if the Thread Already Exists */
if (SockAsyncThreadRefCount) {
return TRUE;
}
/* Create the Completion Port */
if (!SockAsyncCompletionPort) {
Status = NtCreateIoCompletion(&SockAsyncCompletionPort,
IO_COMPLETION_ALL_ACCESS,
NULL,
2); // Allow 2 threads only
/* Protect Handle */
HandleFlags.ProtectFromClose = TRUE;
HandleFlags.Inherit = FALSE;
Status = NtSetInformationObject(SockAsyncCompletionPort,
ObjectHandleFlagInformation,
&HandleFlags,
sizeof(HandleFlags));
}
/* Create the Async Event */
Status = NtCreateEvent(&AsyncEvent,
EVENT_ALL_ACCESS,
NULL,
NotificationEvent,
FALSE);
/* Create the Async Thread */
hAsyncThread = CreateThread(NULL,
0,
(LPTHREAD_START_ROUTINE)SockAsyncThread,
NULL,
0,
&AsyncThreadId);
/* Close the Handle */
NtClose(hAsyncThread);
/* Increase the Reference Count */
SockAsyncThreadRefCount++;
return TRUE;
}
int SockAsyncThread(PVOID ThreadParam)
{
PVOID AsyncContext;
PASYNC_COMPLETION_ROUTINE AsyncCompletionRoutine;
IO_STATUS_BLOCK IOSB;
NTSTATUS Status;
/* Make the Thread Higher Priority */
SetThreadPriority(GetCurrentThread(), THREAD_PRIORITY_ABOVE_NORMAL);
/* Do a KQUEUE/WorkItem Style Loop, thanks to IoCompletion Ports */
do {
Status = NtRemoveIoCompletion (SockAsyncCompletionPort,
(PVOID*)&AsyncCompletionRoutine,
&AsyncContext,
&IOSB,
NULL);
/* Call the Async Function */
if (NT_SUCCESS(Status)) {
(*AsyncCompletionRoutine)(AsyncContext, &IOSB);
} else {
/* It Failed, sleep for a second */
Sleep(1000);
}
} while ((Status != STATUS_TIMEOUT));
/* The Thread has Ended */
return 0;
}
BOOLEAN SockGetAsyncSelectHelperAfdHandle(VOID)
{
UNICODE_STRING AfdHelper;
OBJECT_ATTRIBUTES ObjectAttributes;
IO_STATUS_BLOCK IoSb;
NTSTATUS Status;
FILE_COMPLETION_INFORMATION CompletionInfo;
OBJECT_HANDLE_ATTRIBUTE_INFORMATION HandleFlags;
/* First, make sure we're not already intialized */
if (SockAsyncHelperAfdHandle) {
return TRUE;
}
/* Set up Handle Name and Object */
RtlInitUnicodeString(&AfdHelper, L"\\Device\\Afd\\AsyncSelectHlp" );
InitializeObjectAttributes(&ObjectAttributes,
&AfdHelper,
OBJ_INHERIT | OBJ_CASE_INSENSITIVE,
NULL,
NULL);
/* Open the Handle to AFD */
Status = NtCreateFile(&SockAsyncHelperAfdHandle,
GENERIC_READ | GENERIC_WRITE | SYNCHRONIZE,
&ObjectAttributes,
&IoSb,
NULL,
0,
FILE_SHARE_READ | FILE_SHARE_WRITE,
FILE_OPEN_IF,
0,
NULL,
0);
/*
* Now Set up the Completion Port Information
* This means that whenever a Poll is finished, the routine will be executed
*/
CompletionInfo.Port = SockAsyncCompletionPort;
CompletionInfo.Key = SockAsyncSelectCompletionRoutine;
Status = NtSetInformationFile(SockAsyncHelperAfdHandle,
&IoSb,
&CompletionInfo,
sizeof(CompletionInfo),
FileCompletionInformation);
/* Protect the Handle */
HandleFlags.ProtectFromClose = TRUE;
HandleFlags.Inherit = FALSE;
Status = NtSetInformationObject(SockAsyncCompletionPort,
ObjectHandleFlagInformation,
&HandleFlags,
sizeof(HandleFlags));
/* Set this variable to true so that Send/Recv/Accept will know wether to renable disabled events */
SockAsyncSelectCalled = TRUE;
return TRUE;
}
VOID SockAsyncSelectCompletionRoutine(PVOID Context, PIO_STATUS_BLOCK IoStatusBlock)
{
PASYNC_DATA AsyncData = Context;
PSOCKET_INFORMATION Socket;
ULONG x;
/* Get the Socket */
Socket = AsyncData->ParentSocket;
/* Check if the Sequence Number Changed behind our back */
if (AsyncData->SequenceNumber != Socket->SharedData.SequenceNumber ){
return;
}
/* Check we were manually called b/c of a failure */
if (!NT_SUCCESS(IoStatusBlock->Status)) {
/* FIXME: Perform Upcall */
return;
}
for (x = 1; x; x<<=1) {
switch (AsyncData->AsyncSelectInfo.Handles[0].Events & x) {
case AFD_EVENT_RECEIVE:
if (0 != (Socket->SharedData.AsyncEvents & FD_READ) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_READ)) {
/* Make the Notifcation */
(Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
Socket->SharedData.wMsg,
Socket->Handle,
WSAMAKESELECTREPLY(FD_READ, 0));
/* Disable this event until the next read(); */
Socket->SharedData.AsyncDisabledEvents |= FD_READ;
}
break;
case AFD_EVENT_OOB_RECEIVE:
if (0 != (Socket->SharedData.AsyncEvents & FD_OOB) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_OOB)) {
/* Make the Notifcation */
(Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
Socket->SharedData.wMsg,
Socket->Handle,
WSAMAKESELECTREPLY(FD_OOB, 0));
/* Disable this event until the next read(); */
Socket->SharedData.AsyncDisabledEvents |= FD_OOB;
}
break;
case AFD_EVENT_SEND:
if (0 != (Socket->SharedData.AsyncEvents & FD_WRITE) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_WRITE)) {
/* Make the Notifcation */
(Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
Socket->SharedData.wMsg,
Socket->Handle,
WSAMAKESELECTREPLY(FD_WRITE, 0));
/* Disable this event until the next write(); */
Socket->SharedData.AsyncDisabledEvents |= FD_WRITE;
}
break;
/* FIXME: THIS IS NOT RIGHT!!! HACK HACK HACK! */
case AFD_EVENT_CONNECT:
if (0 != (Socket->SharedData.AsyncEvents & FD_CONNECT) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_CONNECT)) {
/* Make the Notifcation */
(Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
Socket->SharedData.wMsg,
Socket->Handle,
WSAMAKESELECTREPLY(FD_CONNECT, 0));
/* Disable this event forever; */
Socket->SharedData.AsyncDisabledEvents |= FD_CONNECT;
}
break;
case AFD_EVENT_ACCEPT:
if (0 != (Socket->SharedData.AsyncEvents & FD_ACCEPT) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_ACCEPT)) {
/* Make the Notifcation */
(Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
Socket->SharedData.wMsg,
Socket->Handle,
WSAMAKESELECTREPLY(FD_ACCEPT, 0));
/* Disable this event until the next accept(); */
Socket->SharedData.AsyncDisabledEvents |= FD_ACCEPT;
}
break;
case AFD_EVENT_DISCONNECT:
case AFD_EVENT_ABORT:
case AFD_EVENT_CLOSE:
if (0 != (Socket->SharedData.AsyncEvents & FD_CLOSE) && 0 == (Socket->SharedData.AsyncDisabledEvents & FD_CLOSE)) {
/* Make the Notifcation */
(Upcalls.lpWPUPostMessage)(Socket->SharedData.hWnd,
Socket->SharedData.wMsg,
Socket->Handle,
WSAMAKESELECTREPLY(FD_CLOSE, 0));
/* Disable this event forever; */
Socket->SharedData.AsyncDisabledEvents |= FD_CLOSE;
}
break;
/* FIXME: Support QOS */
}
}
/* Check if there are any events left for us to check */
if ((Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents)) == 0 ) {
return;
}
/* Keep Polling */
SockProcessAsyncSelect(Socket, AsyncData);
return;
}
VOID SockProcessAsyncSelect(PSOCKET_INFORMATION Socket, PASYNC_DATA AsyncData)
{
ULONG lNetworkEvents;
NTSTATUS Status;
/* Set up the Async Data Event Info */
AsyncData->AsyncSelectInfo.Timeout.HighPart = 0x7FFFFFFF;
AsyncData->AsyncSelectInfo.Timeout.LowPart = 0xFFFFFFFF;
AsyncData->AsyncSelectInfo.HandleCount = 1;
AsyncData->AsyncSelectInfo.Exclusive = TRUE;
AsyncData->AsyncSelectInfo.Handles[0].Handle = Socket->Handle;
AsyncData->AsyncSelectInfo.Handles[0].Events = 0;
/* Remove unwanted events */
lNetworkEvents = Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents);
/* Set Events to wait for */
if (lNetworkEvents & FD_READ) {
AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_RECEIVE;
}
if (lNetworkEvents & FD_WRITE) {
AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_SEND;
}
if (lNetworkEvents & FD_OOB) {
AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_OOB_RECEIVE;
}
if (lNetworkEvents & FD_ACCEPT) {
AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_ACCEPT;
}
/* FIXME: THIS IS NOT RIGHT!!! HACK HACK HACK! */
if (lNetworkEvents & FD_CONNECT) {
AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_CONNECT | AFD_EVENT_CONNECT_FAIL;
}
if (lNetworkEvents & FD_CLOSE) {
AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_DISCONNECT | AFD_EVENT_ABORT;
}
if (lNetworkEvents & FD_QOS) {
AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_QOS;
}
if (lNetworkEvents & FD_GROUP_QOS) {
AsyncData->AsyncSelectInfo.Handles[0].Events |= AFD_EVENT_GROUP_QOS;
}
/* Send IOCTL */
Status = NtDeviceIoControlFile (SockAsyncHelperAfdHandle,
NULL,
NULL,
AsyncData,
&AsyncData->IoStatusBlock,
IOCTL_AFD_SELECT,
&AsyncData->AsyncSelectInfo,
sizeof(AsyncData->AsyncSelectInfo),
&AsyncData->AsyncSelectInfo,
sizeof(AsyncData->AsyncSelectInfo));
/* I/O Manager Won't call the completion routine, let's do it manually */
if (NT_SUCCESS(Status)) {
return;
} else {
AsyncData->IoStatusBlock.Status = Status;
SockAsyncSelectCompletionRoutine(AsyncData, &AsyncData->IoStatusBlock);
}
}
VOID SockProcessQueuedAsyncSelect(PVOID Context, PIO_STATUS_BLOCK IoStatusBlock)
{
PASYNC_DATA AsyncData = Context;
BOOL FreeContext = TRUE;
PSOCKET_INFORMATION Socket;
/* Get the Socket */
Socket = AsyncData->ParentSocket;
/* If someone closed it, stop the function */
if (Socket->SharedData.State != SocketClosed) {
/* Check if the Sequence Number changed by now, in which case quit */
if (AsyncData->SequenceNumber == Socket->SharedData.SequenceNumber) {
/* Do the actuall select, if needed */
if ((Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents))) {
SockProcessAsyncSelect(Socket, AsyncData);
FreeContext = FALSE;
}
}
}
/* Free the Context */
if (FreeContext) {
HeapFree(GetProcessHeap(), 0, AsyncData);
}
return;
}
VOID
SockReenableAsyncSelectEvent (
IN PSOCKET_INFORMATION Socket,
IN ULONG Event
)
{
PASYNC_DATA AsyncData;
/* Make sure the event is actually disabled */
if (!(Socket->SharedData.AsyncDisabledEvents & Event)) {
return;
}
/* Re-enable it */
Socket->SharedData.AsyncDisabledEvents &= ~Event;
/* Return if no more events are being polled */
if ((Socket->SharedData.AsyncEvents & (~Socket->SharedData.AsyncDisabledEvents)) == 0 ) {
return;
}
/* Wait on new events */
AsyncData = HeapAlloc(GetProcessHeap(), 0, sizeof(ASYNC_DATA));
/* Create the Asynch Thread if Needed */
SockCreateOrReferenceAsyncThread();
/* Increase the sequence number to stop anything else */
Socket->SharedData.SequenceNumber++;
/* Set up the Async Data */
AsyncData->ParentSocket = Socket;
AsyncData->SequenceNumber = Socket->SharedData.SequenceNumber;
/* Begin Async Select by using I/O Completion */
NtSetIoCompletion(SockAsyncCompletionPort,
(PVOID)&SockProcessQueuedAsyncSelect,
AsyncData,
0,
0);
/* All done */
return;
}
BOOL
STDCALL
DllMain(HANDLE hInstDll,
ULONG dwReason,
PVOID Reserved)
{
switch (dwReason) {
case DLL_PROCESS_ATTACH:
AFD_DbgPrint(MAX_TRACE, ("Loading MSAFD.DLL \n"));
/* Don't need thread attach notifications
so disable them to improve performance */
DisableThreadLibraryCalls(hInstDll);
/* List of DLL Helpers */
InitializeListHead(&SockHelpersListHead);
/* Heap to use when allocating */
GlobalHeap = GetProcessHeap();
/* Allocate Heap for 1024 Sockets, can be expanded later */
Sockets = HeapAlloc(GetProcessHeap(), 0, sizeof(PSOCKET_INFORMATION) * 1024);
AFD_DbgPrint(MAX_TRACE, ("MSAFD.DLL has been loaded\n"));
break;
case DLL_THREAD_ATTACH:
break;
case DLL_THREAD_DETACH:
break;
case DLL_PROCESS_DETACH:
break;
}
AFD_DbgPrint(MAX_TRACE, ("DllMain of msafd.dll (leaving)\n"));
return TRUE;
}
/* EOF */
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