Blame winpr/libwinpr/comm/test/TestTimeouts.c

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/**
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 * WinPR: Windows Portable Runtime
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 * Serial Communication API
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 *
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 * Copyright 2014 Hewlett-Packard Development Company, L.P.
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 *
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 * Licensed under the Apache License, Version 2.0 (the "License");
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 * you may not use this file except in compliance with the License.
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 * You may obtain a copy of the License at
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 *
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 *     http://www.apache.org/licenses/LICENSE-2.0
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 *
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 * Unless required by applicable law or agreed to in writing, software
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 * distributed under the License is distributed on an "AS IS" BASIS,
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 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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 * See the License for the specific language governing permissions and
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 * limitations under the License.
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 */
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#include <stdio.h>
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#include <sys/stat.h>
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#ifndef _WIN32
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#include <termios.h>
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#endif
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#include <winpr/comm.h>
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#include <winpr/crt.h>
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#include "../comm.h"
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static BOOL test_generic(HANDLE hComm)
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{
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	COMMTIMEOUTS timeouts, timeouts2;
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	timeouts.ReadIntervalTimeout = 1;
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	timeouts.ReadTotalTimeoutMultiplier = 2;
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	timeouts.ReadTotalTimeoutConstant = 3;
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	timeouts.WriteTotalTimeoutMultiplier = 4;
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	timeouts.WriteTotalTimeoutConstant = 5;
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	if (!SetCommTimeouts(hComm, &timeouts))
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	{
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		fprintf(stderr, "SetCommTimeouts failure, GetLastError: 0x%08x\n", GetLastError());
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		return FALSE;
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	}
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	ZeroMemory(&timeouts2, sizeof(COMMTIMEOUTS));
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	if (!GetCommTimeouts(hComm, &timeouts2))
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	{
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		fprintf(stderr, "GetCommTimeouts failure, GetLastError: 0x%08x\n", GetLastError());
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		return FALSE;
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	}
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	if (memcmp(&timeouts, &timeouts2, sizeof(COMMTIMEOUTS)) != 0)
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	{
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		fprintf(stderr, "TestTimeouts failure, didn't get back the same timeouts.\n");
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		return FALSE;
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	}
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	/* not supported combination */
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	timeouts.ReadIntervalTimeout = MAXULONG;
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	timeouts.ReadTotalTimeoutConstant = MAXULONG;
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	if (SetCommTimeouts(hComm, &timeouts))
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	{
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		fprintf(stderr,
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		        "SetCommTimeouts succeeded with ReadIntervalTimeout and ReadTotalTimeoutConstant "
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		        "set to MAXULONG. GetLastError: 0x%08x\n",
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		        GetLastError());
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		return FALSE;
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	}
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	if (GetLastError() != ERROR_INVALID_PARAMETER)
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	{
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		fprintf(stderr,
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		        "SetCommTimeouts failure, expected GetLastError to return ERROR_INVALID_PARAMETER "
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		        "and got: 0x%08x\n",
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		        GetLastError());
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		return FALSE;
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	}
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	return TRUE;
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}
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int TestTimeouts(int argc, char* argv[])
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{
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	struct stat statbuf;
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	BOOL result;
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	HANDLE hComm;
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	if (stat("/dev/ttyS0", &statbuf) < 0)
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	{
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		fprintf(stderr, "/dev/ttyS0 not available, making the test to succeed though\n");
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		return EXIT_SUCCESS;
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	}
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	result = DefineCommDevice("COM1", "/dev/ttyS0");
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	if (!result)
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	{
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		fprintf(stderr, "DefineCommDevice failure: 0x%x\n", GetLastError());
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		return EXIT_FAILURE;
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	}
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	hComm = CreateFile("COM1", GENERIC_READ | GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, NULL);
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	if (hComm == INVALID_HANDLE_VALUE)
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	{
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		fprintf(stderr, "CreateFileA failure: 0x%x\n", GetLastError());
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		return EXIT_FAILURE;
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	}
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	_comm_setServerSerialDriver(hComm, SerialDriverSerialSys);
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	if (!test_generic(hComm))
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	{
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		fprintf(stderr, "test_SerialSys failure\n");
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		return EXIT_FAILURE;
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	}
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	_comm_setServerSerialDriver(hComm, SerialDriverSerCxSys);
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	if (!test_generic(hComm))
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	{
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		fprintf(stderr, "test_SerCxSys failure\n");
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		return EXIT_FAILURE;
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	}
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	_comm_setServerSerialDriver(hComm, SerialDriverSerCx2Sys);
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	if (!test_generic(hComm))
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	{
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		fprintf(stderr, "test_SerCx2Sys failure\n");
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		return EXIT_FAILURE;
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	}
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	if (!CloseHandle(hComm))
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	{
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		fprintf(stderr, "CloseHandle failure, GetLastError()=%08x\n", GetLastError());
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		return EXIT_FAILURE;
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	}
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	return EXIT_SUCCESS;
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}