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File: [Pegasus] / pegasus / src / Pegasus / Common / TraceMemoryHandler.h
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Revision: 1.7, Tue Dec 16 18:56:01 2008 UTC (15 years, 6 months ago) by kumpf Branch: MAIN CVS Tags: preBug9676, postBug9676, TASK_PEP317_1JUNE_2013, TASK-TASK_PEP362_RestfulService_branch-root, TASK-TASK_PEP362_RestfulService_branch-merged_out_from_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_to_trunk, TASK-TASK_PEP362_RestfulService_branch-merged_in_from_branch, TASK-TASK_PEP362_RestfulService_branch-branch, TASK-PEP362_RestfulService-root, TASK-PEP362_RestfulService-merged_out_to_branch, TASK-PEP362_RestfulService-merged_out_from_trunk, TASK-PEP362_RestfulService-merged_in_to_trunk, TASK-PEP362_RestfulService-merged_in_from_branch, TASK-PEP362_RestfulService-branch, TASK-PEP348_SCMO-root, TASK-PEP348_SCMO-merged_out_to_branch, TASK-PEP348_SCMO-merged_out_from_trunk, TASK-PEP348_SCMO-merged_in_to_trunk, TASK-PEP348_SCMO-merged_in_from_branch, TASK-PEP348_SCMO-branch, TASK-PEP317_pullop-root, TASK-PEP317_pullop-merged_out_to_branch, TASK-PEP317_pullop-merged_out_from_trunk, TASK-PEP317_pullop-merged_in_to_trunk, TASK-PEP317_pullop-merged_in_from_branch, TASK-PEP317_pullop-branch, RELEASE_2_9_2-RC2, RELEASE_2_9_2-RC1, RELEASE_2_9_2, RELEASE_2_9_1-RC1, RELEASE_2_9_1, RELEASE_2_9_0-RC1, RELEASE_2_9_0, RELEASE_2_9-root, RELEASE_2_9-branch, RELEASE_2_14_1, RELEASE_2_14_0-RC2, RELEASE_2_14_0-RC1, RELEASE_2_14_0, RELEASE_2_14-root, RELEASE_2_14-branch, RELEASE_2_13_0-RC2, RELEASE_2_13_0-RC1, RELEASE_2_13_0-FC, RELEASE_2_13_0, RELEASE_2_13-root, RELEASE_2_13-branch, RELEASE_2_12_1-RC1, RELEASE_2_12_1, RELEASE_2_12_0-RC1, RELEASE_2_12_0-FC, RELEASE_2_12_0, RELEASE_2_12-root, RELEASE_2_12-branch, RELEASE_2_11_2-RC1, RELEASE_2_11_2, RELEASE_2_11_1-RC1, RELEASE_2_11_1, RELEASE_2_11_0-RC1, RELEASE_2_11_0-FC, RELEASE_2_11_0, RELEASE_2_11-root, RELEASE_2_11-branch, RELEASE_2_10_1-RC1, RELEASE_2_10_1, RELEASE_2_10_0-RC2, RELEASE_2_10_0-RC1, RELEASE_2_10_0, RELEASE_2_10-root, RELEASE_2_10-branch, PREAUG25UPDATE, POSTAUG25UPDATE, HPUX_TEST, HEAD, CIMRS_WORK_20130824, BeforeUpdateToHeadOct82011 Changes since 1.6: +8 -8 lines BUG#: 8273 TITLE: Remove trailing space characters DESCRIPTION: Remove meaningless whitespace. |
//%LICENSE//////////////////////////////////////////////////////////////// // // Licensed to The Open Group (TOG) under one or more contributor license // agreements. Refer to the OpenPegasusNOTICE.txt file distributed with // this work for additional information regarding copyright ownership. // Each contributor licenses this file to you under the OpenPegasus Open // Source License; you may not use this file except in compliance with the // License. // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included // in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS // OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. // IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY // CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, // TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE // SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. // ////////////////////////////////////////////////////////////////////////// // //%///////////////////////////////////////////////////////////////////////////// #ifndef Pegasus_TraceMemoryHandler_h #define Pegasus_TraceMemoryHandler_h #include <cstdarg> #include <cstdio> #include <Pegasus/Common/String.h> #include <Pegasus/Common/Linkage.h> #include <Pegasus/Common/Tracer.h> #include <Pegasus/Common/TraceHandler.h> #include <Pegasus/Common/TraceFileHandler.h> #include <Pegasus/Common/Mutex.h> #include <Pegasus/Common/AtomicInt.h> PEGASUS_NAMESPACE_BEGIN /** TraceMemoryHandler implements tracing of messages to a memory buffer */ #define PEGASUS_TRC_DEFAULT_BUFFER_SIZE_KB 10*1024 #define PEGASUS_TRC_BUFFER_EYE_CATCHER "PEGASUSMEMTRACE" #define PEGASUS_TRC_BUFFER_EYE_CATCHER_LEN 16 #define PEGASUS_TRC_BUFFER_TRUNC_MARKER "*TRUNC*" #define PEGASUS_TRC_BUFFER_TRUNC_MARKER_LEN 7 #define PEGASUS_TRC_BUFFER_EOT_MARKER "*EOTRACE*" #define PEGASUS_TRC_BUFFER_EOT_MARKER_LEN 9 class PEGASUS_COMMON_LINKAGE TraceMemoryHandler: public TraceHandler { public: /** Writes message with format string to the tracing facility @param message message to be written @param msgLen lenght of message without terminating '\0' @param fmt printf style format string @param argList variable argument list */ virtual void handleMessage(const char* message, Uint32 msgLen, const char* fmt, va_list argList); /** Writes simple message to the tracing facility. @param message message to be written */ virtual void handleMessage(const char* message, Uint32 msgLen); /** Flushes the trace */ virtual void flushTrace(); /** Dumps the complete content of the trace buffer to a file @param filename name of the file where to dump the trace buffer */ void dumpTraceBuffer(const char* filename); /** Tells an instance of the traceMemoryHandler that it will be destructed soon and should accept no more requests for trace messages. */ void die(); /* Constructs a TraceMemoryHandler. No trace memory allocated. */ TraceMemoryHandler(); virtual ~TraceMemoryHandler(); private: /** The trace area is defined a struct to keep the following information together in memory, next the trace statementes: - eyecatcher to locate the trace buffer in a dump - the size of the trace buffer - the position after the last written trace statement */ struct traceArea_t { char eyeCatcher[PEGASUS_TRC_BUFFER_EYE_CATCHER_LEN]; Uint32 bufferSize; Uint32 nextPos; char* traceBuffer; }; char* _overflowBuffer; Uint32 _overflowBufferSize; struct traceArea_t *_traceArea; Uint32 _leftBytesInBuffer; // Members used for serialization AtomicInt _inUseCounter; AtomicInt _lockCounter; Boolean _dying; // Members used for statistics only AtomicInt _contentionCount; Uint32 _numberOfLocksObtained; // Name of a tracefile, in case we need to flush the buffer to a file char* _traceFileName; /** Request to lock the memory buffer for writing a trace message. @return 1 OK, you got the lock 0 No lock was obtained, give up!! */ Boolean _lockBufferAccess(); /** Unlock the memory buffer when no longer used for writing. */ void _unlockBufferAccess(); /** Appends a fixed length message to be buffer */ void _appendSimpleMessage(const char* message, Uint32 msgLen ); /** Appends a marker after the last trace message in the buffer */ void _appendMarker(); /** Memory buffer initialization routine */ void _initializeTraceArea(); }; PEGASUS_NAMESPACE_END #endif /* Pegasus_TraceMemoryHandler_h */
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