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Diffstat (limited to 'portaudio/src/common/pa_trace.c')
| -rw-r--r-- | portaudio/src/common/pa_trace.c | 238 |
1 files changed, 0 insertions, 238 deletions
diff --git a/portaudio/src/common/pa_trace.c b/portaudio/src/common/pa_trace.c deleted file mode 100644 index 6763dfa..0000000 --- a/portaudio/src/common/pa_trace.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * $Id$ - * Portable Audio I/O Library Trace Facility - * Store trace information in real-time for later printing. - * - * Based on the Open Source API proposed by Ross Bencina - * Copyright (c) 1999-2000 Phil Burk - * - * 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. - */ - -/* - * The text above constitutes the entire PortAudio license; however, - * the PortAudio community also makes the following non-binding requests: - * - * Any person wishing to distribute modifications to the Software is - * requested to send the modifications to the original developer so that - * they can be incorporated into the canonical version. It is also - * requested that these non-binding requests be included along with the - * license above. - */ - -/** @file - @ingroup common_src - - @brief Real-time safe event trace logging facility for debugging. -*/ - - -#include <stdio.h> -#include <stdlib.h> -#include <stdarg.h> -#include <string.h> -#include <assert.h> -#include "pa_trace.h" -#include "pa_util.h" -#include "pa_debugprint.h" - -#if PA_TRACE_REALTIME_EVENTS - -static char const *traceTextArray[PA_MAX_TRACE_RECORDS]; -static int traceIntArray[PA_MAX_TRACE_RECORDS]; -static int traceIndex = 0; -static int traceBlock = 0; - -/*********************************************************************/ -void PaUtil_ResetTraceMessages() -{ - traceIndex = 0; -} - -/*********************************************************************/ -void PaUtil_DumpTraceMessages() -{ - int i; - int messageCount = (traceIndex < PA_MAX_TRACE_RECORDS) ? traceIndex : PA_MAX_TRACE_RECORDS; - - printf("DumpTraceMessages: traceIndex = %d\n", traceIndex ); - for( i=0; i<messageCount; i++ ) - { - printf("%3d: %s = 0x%08X\n", - i, traceTextArray[i], traceIntArray[i] ); - } - PaUtil_ResetTraceMessages(); - fflush(stdout); -} - -/*********************************************************************/ -void PaUtil_AddTraceMessage( const char *msg, int data ) -{ - if( (traceIndex == PA_MAX_TRACE_RECORDS) && (traceBlock == 0) ) - { - traceBlock = 1; - /* PaUtil_DumpTraceMessages(); */ - } - else if( traceIndex < PA_MAX_TRACE_RECORDS ) - { - traceTextArray[traceIndex] = msg; - traceIntArray[traceIndex] = data; - traceIndex++; - } -} - -/************************************************************************/ -/* High performance log alternative */ -/************************************************************************/ - -typedef unsigned long long PaUint64; - -typedef struct __PaHighPerformanceLog -{ - unsigned magik; - int writePtr; - int readPtr; - int size; - double refTime; - char* data; -} PaHighPerformanceLog; - -static const unsigned kMagik = 0xcafebabe; - -#define USEC_PER_SEC (1000000ULL) - -int PaUtil_InitializeHighSpeedLog( LogHandle* phLog, unsigned maxSizeInBytes ) -{ - PaHighPerformanceLog* pLog = (PaHighPerformanceLog*)PaUtil_AllocateMemory(sizeof(PaHighPerformanceLog)); - if (pLog == 0) - { - return paInsufficientMemory; - } - assert(phLog != 0); - *phLog = pLog; - - pLog->data = (char*)PaUtil_AllocateMemory(maxSizeInBytes); - if (pLog->data == 0) - { - PaUtil_FreeMemory(pLog); - return paInsufficientMemory; - } - pLog->magik = kMagik; - pLog->size = maxSizeInBytes; - pLog->refTime = PaUtil_GetTime(); - return paNoError; -} - -void PaUtil_ResetHighSpeedLogTimeRef( LogHandle hLog ) -{ - PaHighPerformanceLog* pLog = (PaHighPerformanceLog*)hLog; - assert(pLog->magik == kMagik); - pLog->refTime = PaUtil_GetTime(); -} - -typedef struct __PaLogEntryHeader -{ - int size; - double timeStamp; -} PaLogEntryHeader; - -#ifdef __APPLE__ -#define _vsnprintf vsnprintf -#define min(a,b) ((a)<(b)?(a):(b)) -#endif - - -int PaUtil_AddHighSpeedLogMessage( LogHandle hLog, const char* fmt, ... ) -{ - va_list l; - int n = 0; - PaHighPerformanceLog* pLog = (PaHighPerformanceLog*)hLog; - if (pLog != 0) - { - PaLogEntryHeader* pHeader; - char* p; - int maxN; - assert(pLog->magik == kMagik); - pHeader = (PaLogEntryHeader*)( pLog->data + pLog->writePtr ); - p = (char*)( pHeader + 1 ); - maxN = pLog->size - pLog->writePtr - 2 * sizeof(PaLogEntryHeader); - - pHeader->timeStamp = PaUtil_GetTime() - pLog->refTime; - if (maxN > 0) - { - if (maxN > 32) - { - va_start(l, fmt); - n = _vsnprintf(p, min(1024, maxN), fmt, l); - va_end(l); - } - else { - n = sprintf(p, "End of log..."); - } - n = ((n + sizeof(unsigned)) & ~(sizeof(unsigned)-1)) + sizeof(PaLogEntryHeader); - pHeader->size = n; -#if 0 - PaUtil_DebugPrint("%05u.%03u: %s\n", pHeader->timeStamp/1000, pHeader->timeStamp%1000, p); -#endif - pLog->writePtr += n; - } - } - return n; -} - -void PaUtil_DumpHighSpeedLog( LogHandle hLog, const char* fileName ) -{ - FILE* f = (fileName != NULL) ? fopen(fileName, "w") : stdout; - unsigned localWritePtr; - PaHighPerformanceLog* pLog = (PaHighPerformanceLog*)hLog; - assert(pLog->magik == kMagik); - localWritePtr = pLog->writePtr; - while (pLog->readPtr != localWritePtr) - { - const PaLogEntryHeader* pHeader = (const PaLogEntryHeader*)( pLog->data + pLog->readPtr ); - const char* p = (const char*)( pHeader + 1 ); - const PaUint64 ts = (const PaUint64)( pHeader->timeStamp * USEC_PER_SEC ); - assert(pHeader->size < (1024+sizeof(unsigned)+sizeof(PaLogEntryHeader))); - fprintf(f, "%05u.%03u: %s\n", (unsigned)(ts/1000), (unsigned)(ts%1000), p); - pLog->readPtr += pHeader->size; - } - if (f != stdout) - { - fclose(f); - } -} - -void PaUtil_DiscardHighSpeedLog( LogHandle hLog ) -{ - PaHighPerformanceLog* pLog = (PaHighPerformanceLog*)hLog; - assert(pLog->magik == kMagik); - PaUtil_FreeMemory(pLog->data); - PaUtil_FreeMemory(pLog); -} - -#else -/* This stub was added so that this file will generate a symbol. - * Otherwise linker/archiver programs will complain. - */ -int PaUtil_TraceStubToSatisfyLinker(void) -{ - return 0; -} -#endif /* TRACE_REALTIME_EVENTS */ |