FreeRDP/winpr/libwinpr/io/io.c

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/**
* WinPR: Windows Portable Runtime
* Asynchronous I/O Functions
*
* Copyright 2012 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <winpr/io.h>
#ifndef _WIN32
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <time.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <dirent.h>
#include <fcntl.h>
#include <sys/un.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <winpr/crt.h>
#include "../handle/handle.h"
#include "../pipe/pipe.h"
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BOOL GetOverlappedResult(HANDLE hFile, LPOVERLAPPED lpOverlapped, LPDWORD lpNumberOfBytesTransferred, BOOL bWait)
{
ULONG Type;
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WINPR_HANDLE* Object;
if (!winpr_Handle_GetInfo(hFile, &Type, &Object))
return FALSE;
else if (Type == HANDLE_TYPE_NAMED_PIPE)
{
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int status = -1;
DWORD request;
PVOID lpBuffer;
DWORD nNumberOfBytes;
WINPR_NAMED_PIPE* pipe;
pipe = (WINPR_NAMED_PIPE*) Object;
if (!(pipe->dwFlagsAndAttributes & FILE_FLAG_OVERLAPPED))
return FALSE;
lpBuffer = lpOverlapped->Pointer;
request = (DWORD) lpOverlapped->Internal;
nNumberOfBytes = (DWORD) lpOverlapped->InternalHigh;
if (request == 0)
{
if (pipe->clientfd == -1)
return FALSE;
status = read(pipe->clientfd, lpBuffer, nNumberOfBytes);
}
else if (request == 1)
{
if (pipe->clientfd == -1)
return FALSE;
status = write(pipe->clientfd, lpBuffer, nNumberOfBytes);
}
else if (request == 2)
{
socklen_t length;
struct sockaddr_un s;
if (pipe->serverfd == -1)
return FALSE;
length = sizeof(struct sockaddr_un);
ZeroMemory(&s, sizeof(struct sockaddr_un));
status = accept(pipe->serverfd, (struct sockaddr*) &s, &length);
if (status < 0)
return FALSE;
pipe->clientfd = status;
pipe->ServerMode = FALSE;
status = 0;
}
if (status < 0)
{
*lpNumberOfBytesTransferred = 0;
return FALSE;
}
*lpNumberOfBytesTransferred = status;
}
return TRUE;
}
BOOL GetOverlappedResultEx(HANDLE hFile, LPOVERLAPPED lpOverlapped, LPDWORD lpNumberOfBytesTransferred, DWORD dwMilliseconds, BOOL bAlertable)
{
return TRUE;
}
BOOL DeviceIoControl(HANDLE hDevice, DWORD dwIoControlCode, LPVOID lpInBuffer, DWORD nInBufferSize,
LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesReturned, LPOVERLAPPED lpOverlapped)
{
return TRUE;
}
HANDLE CreateIoCompletionPort(HANDLE FileHandle, HANDLE ExistingCompletionPort, ULONG_PTR CompletionKey, DWORD NumberOfConcurrentThreads)
{
return NULL;
}
BOOL GetQueuedCompletionStatus(HANDLE CompletionPort, LPDWORD lpNumberOfBytesTransferred,
PULONG_PTR lpCompletionKey, LPOVERLAPPED* lpOverlapped, DWORD dwMilliseconds)
{
return TRUE;
}
BOOL GetQueuedCompletionStatusEx(HANDLE CompletionPort, LPOVERLAPPED_ENTRY lpCompletionPortEntries,
ULONG ulCount, PULONG ulNumEntriesRemoved, DWORD dwMilliseconds, BOOL fAlertable)
{
return TRUE;
}
BOOL PostQueuedCompletionStatus(HANDLE CompletionPort, DWORD dwNumberOfBytesTransferred, ULONG_PTR dwCompletionKey, LPOVERLAPPED lpOverlapped)
{
return TRUE;
}
BOOL CancelIo(HANDLE hFile)
{
return TRUE;
}
BOOL CancelIoEx(HANDLE hFile, LPOVERLAPPED lpOverlapped)
{
return TRUE;
}
BOOL CancelSynchronousIo(HANDLE hThread)
{
return TRUE;
}
#endif