/**
 * WinPR: Windows Portable Runtime
 * Pipe 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.
 */

#ifndef WINPR_PIPE_H
#define WINPR_PIPE_H

#include <winpr/file.h>
#include <winpr/winpr.h>
#include <winpr/error.h>
#include <winpr/handle.h>
#include <winpr/wtypes.h>

#ifndef _WIN32

#define PIPE_UNLIMITED_INSTANCES 0xFF

#define PIPE_ACCESS_INBOUND 0x00000001
#define PIPE_ACCESS_OUTBOUND 0x00000002
#define PIPE_ACCESS_DUPLEX 0x00000003

#define FILE_FLAG_FIRST_PIPE_INSTANCE 0x00080000
#define FILE_FLAG_WRITE_THROUGH 0x80000000
#define FILE_FLAG_OVERLAPPED 0x40000000

#define PIPE_CLIENT_END 0x00000000
#define PIPE_SERVER_END 0x00000001

#define PIPE_TYPE_BYTE 0x00000000
#define PIPE_TYPE_MESSAGE 0x00000004

#define PIPE_READMODE_BYTE 0x00000000
#define PIPE_READMODE_MESSAGE 0x00000002

#define PIPE_WAIT 0x00000000
#define PIPE_NOWAIT 0x00000001

#define PIPE_ACCEPT_REMOTE_CLIENTS 0x00000000
#define PIPE_REJECT_REMOTE_CLIENTS 0x00000008

#define NMPWAIT_USE_DEFAULT_WAIT 0x00000000
#define NMPWAIT_NOWAIT 0x00000001
#define NMPWAIT_WAIT_FOREVER 0xFFFFFFFF

#ifdef __cplusplus
extern "C"
{
#endif

	/**
	 * Unnamed pipe
	 */

	WINPR_API BOOL CreatePipe(PHANDLE hReadPipe, PHANDLE hWritePipe,
	                          LPSECURITY_ATTRIBUTES lpPipeAttributes, DWORD nSize);

	/**
	 * Named pipe
	 */

	WINPR_ATTR_MALLOC(CloseHandle, 1)
	WINPR_API HANDLE CreateNamedPipeA(LPCSTR lpName, DWORD dwOpenMode, DWORD dwPipeMode,
	                                  DWORD nMaxInstances, DWORD nOutBufferSize,
	                                  DWORD nInBufferSize, DWORD nDefaultTimeOut,
	                                  LPSECURITY_ATTRIBUTES lpSecurityAttributes);

	WINPR_ATTR_MALLOC(CloseHandle, 1)
	WINPR_API HANDLE CreateNamedPipeW(LPCWSTR lpName, DWORD dwOpenMode, DWORD dwPipeMode,
	                                  DWORD nMaxInstances, DWORD nOutBufferSize,
	                                  DWORD nInBufferSize, DWORD nDefaultTimeOut,
	                                  LPSECURITY_ATTRIBUTES lpSecurityAttributes);

	WINPR_API BOOL ConnectNamedPipe(HANDLE hNamedPipe, LPOVERLAPPED lpOverlapped);

	WINPR_API BOOL DisconnectNamedPipe(HANDLE hNamedPipe);

	WINPR_API BOOL PeekNamedPipe(HANDLE hNamedPipe, LPVOID lpBuffer, DWORD nBufferSize,
	                             LPDWORD lpBytesRead, LPDWORD lpTotalBytesAvail,
	                             LPDWORD lpBytesLeftThisMessage);

	WINPR_API BOOL TransactNamedPipe(HANDLE hNamedPipe, LPVOID lpInBuffer, DWORD nInBufferSize,
	                                 LPVOID lpOutBuffer, DWORD nOutBufferSize, LPDWORD lpBytesRead,
	                                 LPOVERLAPPED lpOverlapped);

	WINPR_API BOOL WaitNamedPipeA(LPCSTR lpNamedPipeName, DWORD nTimeOut);
	WINPR_API BOOL WaitNamedPipeW(LPCWSTR lpNamedPipeName, DWORD nTimeOut);

	WINPR_API BOOL SetNamedPipeHandleState(HANDLE hNamedPipe, LPDWORD lpMode,
	                                       LPDWORD lpMaxCollectionCount,
	                                       LPDWORD lpCollectDataTimeout);

	WINPR_API BOOL ImpersonateNamedPipeClient(HANDLE hNamedPipe);

	WINPR_API BOOL GetNamedPipeClientComputerNameA(HANDLE Pipe, LPCSTR ClientComputerName,
	                                               ULONG ClientComputerNameLength);
	WINPR_API BOOL GetNamedPipeClientComputerNameW(HANDLE Pipe, LPCWSTR ClientComputerName,
	                                               ULONG ClientComputerNameLength);

#ifdef UNICODE
#define CreateNamedPipe CreateNamedPipeW
#define WaitNamedPipe WaitNamedPipeW
#define GetNamedPipeClientComputerName GetNamedPipeClientComputerNameW
#else
#define CreateNamedPipe CreateNamedPipeA
#define WaitNamedPipe WaitNamedPipeA
#define GetNamedPipeClientComputerName GetNamedPipeClientComputerNameA
#endif

#ifdef __cplusplus
}
#endif

#endif

#endif /* WINPR_PIPE_H */
