Source for additional projects
-jsoncpp -lua -tolua++ -WebServer -zlib -iniFile git-svn-id: http://mc-server.googlecode.com/svn/trunk@4 0a769ca7-a7f5-676a-18bf-c427514a06d6
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112
WebServer/cEvent.cpp
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112
WebServer/cEvent.cpp
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#include "cEvent.h"
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#include "../source/cMCLogger.h"
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#ifdef _WIN32
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#include <Windows.h>
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#else
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#include <semaphore.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <stdio.h> // sprintf()
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#endif
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cEvent::cEvent( unsigned int a_NumEvents /* = 1 */ )
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: m_NumEvents( a_NumEvents )
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#ifndef _WIN32
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, m_bNamed( false )
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#endif
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{
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if( m_NumEvents < 1 ) m_NumEvents = 1;
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#ifdef _WIN32
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m_Handle = new HANDLE[ m_NumEvents ];
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for( unsigned int i = 0; i < m_NumEvents; i++)
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{
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((HANDLE*)m_Handle)[i] = CreateEvent( 0, FALSE, FALSE, 0 );
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}
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#else
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m_Handle = new sem_t*[ m_NumEvents ];
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for( unsigned int i = 0; i < m_NumEvents; i++)
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{
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sem_t* & HandlePtr = ((sem_t**)m_Handle)[i];
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HandlePtr = new sem_t;
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if( sem_init( HandlePtr, 0, 0 ) )
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{
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LOG("WARNING cEvent: Could not create unnamed semaphore, fallback to named.");
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m_bNamed = true;
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delete HandlePtr; // named semaphores return their own address
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char c_Str[32];
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sprintf( c_Str, "cEvent%p", &HandlePtr );
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HandlePtr = sem_open( c_Str, O_CREAT, 777, 0 );
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if( HandlePtr == SEM_FAILED )
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LOG("ERROR: Could not create Event. (%i)", errno);
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else
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if( sem_unlink( c_Str ) != 0 )
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LOG("ERROR: Could not unlink cEvent. (%i)", errno);
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}
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}
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#endif
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}
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cEvent::~cEvent()
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{
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#ifdef _WIN32
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for( unsigned int i = 0; i < m_NumEvents; i++ )
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{
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CloseHandle( ((HANDLE*)m_Handle)[i] );
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}
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delete [] (HANDLE*)m_Handle;
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#else
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for( unsigned int i = 0; i < m_NumEvents; i++ )
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{
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if( m_bNamed )
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{
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sem_t* & HandlePtr = ((sem_t**)m_Handle)[i];
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char c_Str[32];
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sprintf( c_Str, "cEvent%p", &HandlePtr );
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// LOG("Closing event: %s", c_Str );
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// LOG("Sem ptr: %p", HandlePtr );
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if( sem_close( HandlePtr ) != 0 )
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{
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LOG("ERROR: Could not close cEvent. (%i)", errno);
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}
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}
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else
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{
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sem_destroy( ((sem_t**)m_Handle)[i] );
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delete ((sem_t**)m_Handle)[i];
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}
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}
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delete [] (sem_t**)m_Handle; m_Handle = 0;
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#endif
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}
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void cEvent::Wait()
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{
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#ifdef _WIN32
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WaitForMultipleObjects( m_NumEvents, (HANDLE*)m_Handle, true, INFINITE );
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#else
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for(unsigned int i = 0; i < m_NumEvents; i++)
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{
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if( sem_wait( ((sem_t**)m_Handle)[i] ) != 0 )
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{
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LOG("ERROR: Could not wait for cEvent. (%i)", errno);
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}
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}
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#endif
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}
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void cEvent::Set(unsigned int a_EventNum /* = 0 */)
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{
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#ifdef _WIN32
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SetEvent( ((HANDLE*)m_Handle)[a_EventNum] );
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#else
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if( sem_post( ((sem_t**)m_Handle)[a_EventNum] ) != 0 )
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{
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LOG("ERROR: Could not set cEvent. (%i)", errno);
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}
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#endif
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}
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