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/* xb_test_lock2.cpp
XBase Software Library
Copyright (c) 1997,2003,2014,2022,2023 Gary A Kunkel
The xb64 software library is covered under the terms of the GPL Version 3, 2007 license.
Email Contact:
XDB-devel@lists.sourceforge.net
XDB-users@lists.sourceforge.net
*/
// This program tests the locking functions
// This program is the child process that is called if used
// in an environment that supports the CreateProcess library function (ie Windows)
// usage: xb_test_lock QUITE|NORMAL|VERBOSE
#include "xbase.h"
using namespace xb;
#include "tstfuncs.cpp"
/****************************************************************/
int main( int argCnt, char **av )
{
xbInt16 iRc = 0;
xbInt16 iRc2;
xbInt16 po = 1; /* print option */
/* 0 - QUIET */
/* 1 - NORMAL */
/* 2 - VERBOSE */
xbBool bDone = xbFalse;
xbString sLockFile;
xbString sLockCmd;
xbString sResult;
xbInt32 iChildLoop = 0;
xbXBase x;
xbDbf * MyFile;
xbBool bTblOpen = xbFalse;
if( argCnt > 1 ) {
if( av[1][0] == 'Q' )
po = 0;
else if( av[1][0] == 'V' )
po = 2;
}
#ifdef XB_LOGGING_SUPPORT
x.SetLogDirectory( PROJECT_LOG_DIR );
xbString sLogFileName = x.GetLogFqFileName().Str();
sLogFileName.Resize( sLogFileName.Len() - 3 );
sLogFileName += "_l2.txt";
x.SetLogFileName( sLogFileName );
x.EnableMsgLogging();
if( po > 0 ){
std::cout << "Logfile is [" << x.GetLogFqFileName().Str() << "]" << std::endl;
}
xbString sMsg;
sMsg.Sprintf( "Program [%s] initializing...", av[0] );
x.WriteLogMessage( sMsg );
#endif
x.SetDataDirectory( PROJECT_DATA_DIR );
InitTime();
sLockFile.Sprintf( "%slocktest.txt", PROJECT_DATA_DIR );
// std::cout << "xb_test_lock2 - lockfile = [ " << sLockFile.Str() << "]\n";
#ifdef XB_DBF4_SUPPORT
MyFile = new xbDbf4( &x ); /* version 4 dbf file */
#else
MyFile = new xbDbf3( &x ); /* version 3 dbf file */
#endif
x.xbSleep( 250 );
while( !bDone ){
iRc2 = GetCmd( x, sLockFile, sLockCmd, 'C', po );
#ifdef XB_LOGGING_SUPPORT
if( sLockCmd != "OK" && sLockCmd != "FAIL" ){
sMsg.Sprintf( "Program [%s] Child task retrieved command=[%s] RC=[%d]", av[0], sLockCmd.Str(), iRc2 );
x.WriteLogMessage( sMsg );
}
#endif
if( iRc2 == 0 ){
if( sLockCmd == "OK" || sLockCmd == "FAIL" )
x.xbSleep( 250 );
else if( sLockCmd == "EXIT" ){
bDone = xbTrue;
} else if( sLockCmd == "START" && bTblOpen ){
// came back before the parent task could process the result
x.xbSleep( 250 );
} else {
if( sLockCmd == "START" ){
// begin the process
iRc2 = MyFile->Open( "LockTest.DBF" );
if( iRc2 != XB_NO_ERROR ){
sResult = "FAIL";
} else {
sResult = "OK";
bTblOpen = xbTrue;
}
} else if( sLockCmd == "TL" ){
// table lock
if(( iRc2 = MyFile->LockTable( XB_LOCK )) != XB_NO_ERROR )
sResult = "FAIL";
else
sResult = "OK";
} else if( sLockCmd == "TU" ){
// table unlock
if(( iRc2 = MyFile->LockTable( XB_UNLOCK )) != XB_NO_ERROR )
sResult = "FAIL";
else
sResult = "OK";
} else if( sLockCmd == "RL" ){
// record lock
if(( iRc2 = MyFile->LockRecord( XB_LOCK, 1 )) != XB_NO_ERROR )
sResult = "FAIL";
else
sResult = "OK";
} else if( sLockCmd == "RU" ){
// record unlock
if(( iRc2 = MyFile->LockRecord( XB_UNLOCK, 1 )) != XB_NO_ERROR )
sResult = "FAIL";
else
sResult = "OK";
} else if( sLockCmd == "ML" ){
// memo lock
#ifdef XB_MEMO_SUPPORT
if(( iRc2 = MyFile->LockMemo( XB_LOCK )) != XB_NO_ERROR )
sResult = "FAIL";
else
sResult = "OK";
#else
sLockCmd = "OK";
#endif
} else if( sLockCmd == "MU" ){
// memo unlock
#ifdef XB_MEMO_SUPPORT
if(( iRc2 = MyFile->LockMemo( XB_UNLOCK )) != XB_NO_ERROR )
sResult = "FAIL";
else
sResult = "OK";
#else
sLockCmd = "OK";
#endif
} else if( sLockCmd == "IL" ){
// index lock
#ifdef XB_MDX_SUPPORT
if(( iRc2 = MyFile->LockIndices( XB_LOCK )) != XB_NO_ERROR )
sResult = "FAIL";
else
sResult = "OK";
#else
sLockCmd = "OK";
#endif
} else if( sLockCmd == "IU" ){
// index unlock
#ifdef XB_MDX_SUPPORT
if(( iRc2 = MyFile->LockIndices( XB_UNLOCK )) != XB_NO_ERROR )
sResult = "FAIL";
else
sResult = "OK";
#else
sLockCmd = "OK";
#endif
}
#ifdef XB_LOGGING_SUPPORT
sMsg.Sprintf( "Program [%s] Child task [%s] Result [%s] RC = [%d]", av[0], sLockCmd.Str(), sResult.Str(), iRc2 );
x.WriteLogMessage( sMsg );
#endif
SetCmd( x, sLockFile, sResult, 'C', po );
}
} else {
iRc = iRc2;
bDone = xbTrue;
}
// std::cout << "clc [" << iChildLoop++ << "][" << bDone << "][" << sLockCmd << "]\n";
x.xbSleep( 250 );
if( iChildLoop > 10 )
bDone = xbTrue;
}
MyFile->Close();
delete MyFile;
if( po > 0 )
std::cout << "Exiting child\n";
remove( sLockFile.Str() );
#ifdef XB_LOGGING_SUPPORT
sMsg.Sprintf( "Program [%s] Child task terminating", av[0] );
x.WriteLogMessage( sMsg );
#endif
if( po > 0 || iRc < 0 )
fprintf( stdout, "Total Errors = %d\n", iRc * -1 );
#ifdef XB_LOGGING_SUPPORT
sMsg.Sprintf( "Program [%s] terminating with [%d] errors...", av[0], iRc * -1 );
x.WriteLogMessage( sMsg );
#endif
ExitProcess( (xbUInt32) iRc );
}
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