-// Copyright (C) 2004 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
-// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
-//
-// This library is free software; you can redistribute it and/or
-// modify it under the terms of the GNU Lesser General Public
-// License as published by the Free Software Foundation; either
-// version 2.1 of the License.
-//
-// This library is distributed in the hope that it will be useful,
-// but WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// Lesser General Public License for more details.
-//
-// You should have received a copy of the GNU Lesser General Public
-// License along with this library; if not, write to the Free Software
-// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-//
-// See http://www.opencascade.org/SALOME/ or email : webmaster.salome@opencascade.org
+// Copyright (C) 2007-2011 CEA/DEN, EDF R&D, OPEN CASCADE
//
+// Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
+// CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
+//
+// This library is free software; you can redistribute it and/or
+// modify it under the terms of the GNU Lesser General Public
+// License as published by the Free Software Foundation; either
+// version 2.1 of the License.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public
+// License along with this library; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+//
+// See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
+//
+
// Author : Paul RASCLE (EDF)
// Module : KERNEL
// $Header$
-//
// Cf. C++ Users Journal, June 2004, Tracing Application Execution, Tomer Abramson
//
-
#include <iostream>
#include <limits.h>
+#include <cassert>
+#include <string.h>
+#include <cstdio>
+
+#ifndef WIN32
+#include <dlfcn.h>
+#else
+#include <windows.h>
+#endif
+//#define _DEVDEBUG_
#include "LocalTraceBufferPool.hxx"
+#include "BaseTraceCollector.hxx"
+#include "LocalTraceCollector.hxx"
+#include "FileTraceCollector.hxx"
#include "utilities.h"
-using namespace std;
-
// In case of truncated message, end of trace contains "...\n\0"
+
#define TRUNCATED_MESSAGE "...\n"
#define MAXMESS_LENGTH MAX_TRACE_LENGTH-5
+// Class static attributes initialisation
+
LocalTraceBufferPool* LocalTraceBufferPool::_singleton = 0;
-pthread_mutex_t LocalTraceBufferPool::_singletonMutex;
+//#ifndef WIN32
+//pthread_mutex_t LocalTraceBufferPool::_singletonMutex;
+//#else
+pthread_mutex_t LocalTraceBufferPool::_singletonMutex =
+ PTHREAD_MUTEX_INITIALIZER;
+//#endif
+BaseTraceCollector *LocalTraceBufferPool::_myThreadTrace = 0;
// ============================================================================
/*!
- * guarantees a unique object instance of the class (singleton thread safe)
+ * Guarantees a unique object instance of the class (singleton thread safe).
+ * When the LocalTraceBufferPool instance is created, the trace collector is
+ * also created (singleton). Type of trace collector to create depends on
+ * environment variable "SALOME_trace":
+ * - "local" implies standard err trace, LocalTraceCollector is launched.
+ * - "file" implies trace in /tmp/tracetest.log
+ * - "file:pathname" implies trace in file pathname
+ * - anything else like "other" : try to load dynamically a library named
+ * otherTraceCollector, and invoque C method instance() to start a singleton
+ * instance of the trace collector. Example: with_loggerTraceCollector, for
+ * CORBA Log.
*/
// ============================================================================
int ret;
ret = pthread_mutex_lock(&_singletonMutex); // acquire lock to be alone
if (_singleton == 0) // another thread may have got
- { // the lock after the first test
- _singleton = new LocalTraceBufferPool();
- }
+ { // the lock after the first test
+ DEVTRACE("New buffer pool");
+ LocalTraceBufferPool* myInstance = new LocalTraceBufferPool();
+
+ new DESTRUCTOR_OF<LocalTraceBufferPool> (*myInstance);
+ _singleton = myInstance;
+
+ // --- start a trace Collector
+
+ char* traceKind = getenv("SALOME_trace");
+
+ if ( !traceKind || strcmp(traceKind,"local")==0 ) // mkr : 27.11.2006 : PAL13967 - Distributed supervision graphs - Problem with "SALOME_trace"
+ {
+ _myThreadTrace = LocalTraceCollector::instance();
+ }
+ else if (strncmp(traceKind,"file",strlen("file"))==0)
+ {
+ const char *fileName;
+ if (strlen(traceKind) > strlen("file"))
+ fileName = &traceKind[strlen("file")+1];
+ else
+ fileName = "/tmp/tracetest.log";
+
+ _myThreadTrace = FileTraceCollector::instance(fileName);
+ }
+ else // --- try a dynamic library
+ {
+#ifndef WIN32
+ void* handle;
+ std::string impl_name = std::string ("lib") + traceKind
+ + std::string("TraceCollector.so");
+ handle = dlopen( impl_name.c_str() , RTLD_LAZY ) ;
+#else
+ HINSTANCE handle;
+ std::string impl_name = std::string ("lib") + traceKind + std::string(".dll");
+ handle = LoadLibrary( impl_name.c_str() );
+#endif
+ if ( handle )
+ {
+ typedef BaseTraceCollector * (*FACTORY_FUNCTION) (void);
+#ifndef WIN32
+ FACTORY_FUNCTION TraceCollectorFactory =
+ (FACTORY_FUNCTION) dlsym(handle, "SingletonInstance");
+#else
+ FACTORY_FUNCTION TraceCollectorFactory =
+ (FACTORY_FUNCTION)GetProcAddress(handle, "SingletonInstance");
+#endif
+ if ( !TraceCollectorFactory )
+ {
+ std::cerr << "Can't resolve symbol: SingletonInstance" <<std::endl;
+#ifndef WIN32
+ std::cerr << "dlerror: " << dlerror() << std::endl;
+#endif
+ exit( 1 );
+ }
+ _myThreadTrace = (TraceCollectorFactory) ();
+ }
+ else
+ {
+ std::cerr << "library: " << impl_name << " not found !" << std::endl;
+ assert(handle); // to give file and line
+ exit(1); // in case assert is deactivated
+ }
+ }
+ DEVTRACE("New buffer pool: end");
+ }
ret = pthread_mutex_unlock(&_singletonMutex); // release lock
}
return _singleton;
// wait until there is a free buffer in the pool
- int ret = sem_wait(&_freeBufferSemaphore);
+ int ret = -1;
+ while (ret)
+ {
+ ret = sem_wait(&_freeBufferSemaphore);
+ if (ret) perror(" LocalTraceBufferPool::insert, sem_wait");
+ }
// get the next free buffer available (mutex protected)
// fill the buffer with message, thread id and type (normal or abort)
strncpy(_myBuffer[myInsertPos%TRACE_BUFFER_SIZE].trace,
- msg,
- MAXMESS_LENGTH); // last chars always "...\n\0" if msg too long
+ msg,
+ MAXMESS_LENGTH); // last chars always "...\n\0" if msg too long
_myBuffer[myInsertPos%TRACE_BUFFER_SIZE].threadId =pthread_self();//thread id
_myBuffer[myInsertPos%TRACE_BUFFER_SIZE].traceType = traceType;
_myBuffer[myInsertPos%TRACE_BUFFER_SIZE].position = myMessageNumber;
// wait until there is a buffer in the pool, with a message to print
- int ret = sem_wait(&_fullBufferSemaphore);
+ int ret = -1;
+ while (ret)
+ {
+ ret = sem_wait(&_fullBufferSemaphore);
+ if (ret) MESSAGE (" LocalTraceBufferPool::retrieve, sem_wait");
+ }
// get the next buffer to print
// copy the buffer from the pool to the provided buffer
memcpy((void*)&aTrace,
- (void*)&_myBuffer[myRetrievePos%TRACE_BUFFER_SIZE],
- sizeof(aTrace));
+ (void*)&_myBuffer[myRetrievePos%TRACE_BUFFER_SIZE],
+ sizeof(aTrace));
// increment the free buffer semaphore
// (if previously 0, awake one of the threads waiting to put a trace, if any)
LocalTraceBufferPool::LocalTraceBufferPool()
{
- //cout << "LocalTraceBufferPool::LocalTraceBufferPool()" << endl;
+ //cerr << "LocalTraceBufferPool::LocalTraceBufferPool()" << endl;
_insertPos = ULONG_MAX; // first increment will give 0
_retrievePos = ULONG_MAX;
if (ret!=0) IMMEDIATE_ABORT(ret);
ret=pthread_mutex_init(&_incrementMutex,NULL); // default = fast mutex
if (ret!=0) IMMEDIATE_ABORT(ret);
+
+ //cerr << "LocalTraceBufferPool::LocalTraceBufferPool()-end" << endl;
}
// ============================================================================
LocalTraceBufferPool::~LocalTraceBufferPool()
{
- int ret;
- ret=sem_destroy(&_freeBufferSemaphore);
- ret=sem_destroy(&_fullBufferSemaphore);
- ret=pthread_mutex_destroy(&_incrementMutex);
+ int ret = pthread_mutex_lock(&_singletonMutex); // acquire lock to be alone
+ if (_singleton)
+ {
+ DEVTRACE("LocalTraceBufferPool::~LocalTraceBufferPool()");
+ delete (_myThreadTrace);
+ _myThreadTrace = 0;
+ int ret;
+ ret=sem_destroy(&_freeBufferSemaphore);
+ ret=sem_destroy(&_fullBufferSemaphore);
+ ret=pthread_mutex_destroy(&_incrementMutex);
+ DEVTRACE("LocalTraceBufferPool::~LocalTraceBufferPool()-end");
+ _singleton = 0;
+ }
+ ret = pthread_mutex_unlock(&_singletonMutex); // release lock
}
// ============================================================================
{
int ret;
ret = pthread_mutex_lock(&_incrementMutex); // lock access to counters
- pos++;
+ unsigned long mypos = ++pos;
ret = pthread_mutex_unlock(&_incrementMutex); // release lock
- return pos;
+ return mypos;
}
