logtest.cpp

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/*
 * logtest.cpp - part of jEditLauncher package
 * Copyright (C) 2001 John Gellene
 * [e-mail]
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or any later version.
 *
 * Notwithstanding the terms of the General Public License, the author grants
 * permission to compile and link object code generated by the compilation of
 * this program with object code and libraries that are not subject to the
 * GNU General Public License, provided that the executable output of such
 * compilation shall be distributed with source code on substantially the
 * same basis as the jEditLauncher package of which this program is a part.
 * By way of example, a distribution would satisfy this condition if it
 * included a working makefile for any freely available make utility that
 * runs on the Windows family of operating systems. This condition does not
 * require a licensee of this software to distribute any proprietary software
 * (including header files and libraries) that is licensed under terms
 * prohibiting redistribution to third parties.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 *
 * $Id: logtest.cpp,v 1.3 2001/12/28 16:54:47 jgellene Exp $
 */


// logtest.cpp : A test program for the logging dll
// This version requires that a copy of ltslog.dll be in the same
// directory as the test application's executable

#include <stdio.h>
#include <windows.h>
#include "..\ltslog\ltslog.h"

/*
 * The types are defined as typedef's in the ltslog.h header file
 * Code beginning here may be copied to another module to
 * provide activation routines.
 */
LogOpenFunc openProc;
LogCloseFunc closeProc;
LogLevelFunc levelProc;
LogFunc logProc;

HMODULE hLogModule;

bool LoadLogLibrary()
{
	hLogModule = LoadLibrary("ltslog.dll");
	if(hLogModule != 0)
	{
		openProc = (LogOpenFunc)GetProcAddress(hLogModule, "OpenLog");
		logProc = (LogFunc)GetProcAddress(hLogModule, "Log");
		levelProc = (LogLevelFunc)GetProcAddress(hLogModule, "SetLogLevel");
		closeProc = (LogCloseFunc)GetProcAddress(hLogModule, "CloseLog");
		return openProc != 0 && logProc != 0 
			|| levelProc != 0 && closeProc != 0;
	}
	return false;
}

void UnloadLogLibrary()
{
	FreeLibrary(hLogModule);
}

/* End of activation routine */

/*
 * Main routine of test program
 */
int main(int, char*)
{
	if(!LoadLogLibrary())
		return 1;
	const char* szLevelTest = "Testing logging dll with level set to '%s'.\n";
	const int sleepLen = 100;
	CLtslog *pLog = (openProc)("test.log", Debug);
	(logProc)(pLog, true, Debug, szLevelTest, "Debug");
	(logProc)(pLog, true, Error, "This is an error message.\n");
	(logProc)(pLog, true, Warning, "This is a warning message.\n");
	(logProc)(pLog, true, Notice, "This is a notice message.\n");
	(logProc)(pLog, true, Message, "This is a 'message' message.\n");
	(logProc)(pLog, true, Notice, "Sleeping for %d milliseconds.\n", sleepLen);
	Sleep(sleepLen);
	(logProc)(pLog, true, Message, "The logging object is located at 0x%08X\n",
		pLog);
	(logProc)(pLog, true, Message, "The next message has a message level of 'Debug'.\n");
	(logProc)(pLog, true, Debug, szLevelTest, "Debug");
	(logProc)(pLog, true, Message, "Changing message level to 'Message'.\n");
	(levelProc)(pLog, Message);
	(logProc)(pLog, true, Message, "The next message has a message level of 'Debug' ");
	(logProc)(pLog, false, Message, "and should not be printed.\n");
	(logProc)(pLog, true, Debug, szLevelTest, "Message");
	(logProc)(pLog, true, Message, "The next message has a message level of 'Message'.\n");
	(logProc)(pLog, true, Message, szLevelTest, "Message");
	for(int i = 0; i < 1500; ++i)
		(logProc)(pLog, true, Message, szLevelTest, "Message");
	(closeProc)(pLog);
	UnloadLogLibrary();
	return 0;
}