732 lines
30 KiB
C
732 lines
30 KiB
C
/**MOD+**********************************************************************/
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/* Module: atrcapi.c */
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/* */
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/* Purpose: External tracing functions */
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/* */
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/* Copyright(C) Microsoft Corporation 1996-7 */
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/* */
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/****************************************************************************/
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/** Changes:
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* $Log: Y:/logs/trc/atrcapi.c_v $
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*
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* Rev 1.12 22 Sep 1997 15:14:38 KH
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* SFR1293: Fix Zippy16 file write errors when zippy starts before Ducati
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*
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* Rev 1.11 05 Sep 1997 10:34:54 SJ
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* SFR1334: Zippy enhancements
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*
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* Rev 1.10 12 Aug 1997 09:45:28 MD
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* SFR1002: Remove kernel tracing code
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*
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* Rev 1.9 04 Aug 1997 15:03:26 KH
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* SFR1022: Cast file name length on sprintf call
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*
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* Rev 1.8 31 Jul 1997 19:39:30 SJ
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* SFR1041: Port zippy to Win16
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*
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* Rev 1.7 16 Jul 1997 14:00:48 KH
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* SFR1022: ALL functions are DCEXPORT
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*
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* Rev 1.6 11 Jul 1997 12:44:24 KH
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* SFR1022: Add DCEXPORT to TRC_GetBuffer
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*
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* Rev 1.4 09 Jul 1997 17:59:12 AK
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* SFR1016: Initial changes to support Unicode
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*
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* Rev 1.3 03 Jul 1997 13:27:24 AK
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* SFR0000: Initial development completed
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**/
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/**MOD-**********************************************************************/
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/****************************************************************************/
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/* */
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/* CONTENTS */
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/* */
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/* This file contains the DC-Groupware/NT tracing API. */
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/* */
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/****************************************************************************/
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/* */
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/* TRC_GetBuffer */
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/* TRC_TraceBuffer */
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/* TRC_GetConfig */
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/* TRC_SetConfig */
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/* TRC_TraceData */
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/* TRC_GetTraceLevel */
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/* TRC_ProfileTraceEnabled */
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/* TRC_ResetTraceFiles */
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/* */
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/****************************************************************************/
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/****************************************************************************/
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/* Standard includes. */
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/****************************************************************************/
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#include <adcg.h>
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/****************************************************************************/
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/* Define TRC_FILE and TRC_GROUP. */
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/****************************************************************************/
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#define TRC_FILE "atrcapi"
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#define TRC_GROUP TRC_GROUP_TRACE
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/****************************************************************************/
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/* Trace specific includes. */
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/****************************************************************************/
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#include <atrcapi.h>
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#include <atrcint.h>
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/****************************************************************************/
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/* */
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/* DATA */
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/* */
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/****************************************************************************/
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#define DC_INCLUDE_DATA
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#include <atrcdata.c>
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#undef DC_INCLUDE_DATA
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/****************************************************************************/
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/* */
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/* FUNCTIONS */
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/* */
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/****************************************************************************/
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/**PROC+*********************************************************************/
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/* TRC_GetBuffer(...) */
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/* */
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/* See atrcapi.h for description. */
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/**PROC-*********************************************************************/
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PDCTCHAR DCAPI DCEXPORT TRC_GetBuffer(DCVOID)
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{
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/************************************************************************/
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/* Get the mutex. Note that we do not need to check that we are */
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/* initialized in this function as this should have already been done. */
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/************************************************************************/
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TRCGrabMutex();
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//
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// Ensure null termination
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//
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trcpOutputBuffer[TRC_LINE_BUFFER_SIZE*sizeof(TCHAR) -1] = 0;
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/************************************************************************/
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/* Return a pointer to the trace buffer in the shared data memory */
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/* mapped file. */
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/************************************************************************/
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return(trcpOutputBuffer);
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} /* TRC_GetBuffer */
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/**PROC+*********************************************************************/
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/* TRC_TraceBuffer(...) */
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/* */
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/* See atrcapi.h for description. */
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/**PROC-*********************************************************************/
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DCVOID DCAPI DCEXPORT TRC_TraceBuffer(DCUINT traceLevel,
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DCUINT traceComponent,
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DCUINT lineNumber,
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PDCTCHAR funcName,
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PDCTCHAR fileName)
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{
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DCTCHAR fieldSeperator;
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DCTCHAR frmtString[TRC_FRMT_BUFFER_SIZE] = {0};
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DCTCHAR tempString[TRC_FRMT_BUFFER_SIZE] = {0};
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DCUINT32 processId;
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DCUINT32 threadId;
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DCUINT length;
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DC_TIME theTime;
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HRESULT hr;
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/************************************************************************/
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/* First of all we need to decide if we are going to trace this line. */
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/* */
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/* Note that the decision to trace a line based on its level is taken */
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/* in the TRACEX macro. */
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/************************************************************************/
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if (!TRCShouldTraceThis(traceComponent, traceLevel, fileName, lineNumber))
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{
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/********************************************************************/
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/* Don't bother tracing this line. */
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/********************************************************************/
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DC_QUIT;
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}
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/************************************************************************/
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/* We need to trace this line. First of all create the formatted */
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/* output text string. Determine the field seperator for the trace */
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/* line. Errors use a star (*), alerts a plus (+), asserts an */
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/* exclamation mark (!) while normal and debug trace lines both use a */
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/* space ( ). */
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/************************************************************************/
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switch(traceLevel)
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{
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case TRC_LEVEL_ASSERT:
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{
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fieldSeperator = '!';
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}
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break;
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case TRC_LEVEL_ERR:
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{
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fieldSeperator = '*';
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}
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break;
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case TRC_LEVEL_ALT:
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{
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fieldSeperator = '+';
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}
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break;
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case TRC_LEVEL_NRM:
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{
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fieldSeperator = ' ';
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}
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break;
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case TRC_LEVEL_DBG:
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{
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fieldSeperator = ' ';
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}
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break;
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case TRC_PROFILE_TRACE:
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{
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fieldSeperator = ' ';
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}
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break;
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default:
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{
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fieldSeperator = '?';
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}
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break;
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}
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/************************************************************************/
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/* Get the current process and thread Ids. */
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/************************************************************************/
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processId = TRCGetCurrentProcessId();
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threadId = TRCGetCurrentThreadId();
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/************************************************************************/
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/* Build the string to be printed out. First of all get the current */
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/* time. */
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/************************************************************************/
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TRCGetCurrentTime(&theTime);
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/************************************************************************/
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/* Now format the string. Note that the function name is of variable */
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/* length and given by <trcpConfig->funcNameLength>. */
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/************************************************************************/
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/************************************************************************/
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/* Go through each optional field and decide whether to add it to the */
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/* string or not. They are: */
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/* TRC_OPT_PROCESS_ID */
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/* TRC_OPT_THREAD_ID */
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/* TRC_OPT_TIME_STAMP */
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/* TRC_OPT_RELATIVE_TIME_STAMP */
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/************************************************************************/
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if (TEST_FLAG(trcpConfig->flags, TRC_OPT_TIME_STAMP))
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{
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hr = StringCchPrintf(
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tempString,
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SIZE_TCHARS(tempString),
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TRC_TIME_FMT _T("%c"),
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theTime.hour,
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theTime.min,
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theTime.sec,
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theTime.hundredths,
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fieldSeperator
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);
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if (SUCCEEDED(hr)) {
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hr = StringCchCat(frmtString, SIZE_TCHARS(frmtString), tempString);
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if (FAILED(hr)) {
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DC_QUIT;
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}
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}
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else {
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DC_QUIT;
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}
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}
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if (TEST_FLAG(trcpConfig->flags, TRC_OPT_PROCESS_ID))
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{
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hr = StringCchPrintf(tempString,
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SIZE_TCHARS(tempString),
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TRC_PROC_FMT,
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processId);
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if (SUCCEEDED(hr)) {
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hr = StringCchCat(frmtString, SIZE_TCHARS(frmtString), tempString);
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if (FAILED(hr)) {
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DC_QUIT;
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}
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}
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else {
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DC_QUIT;
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}
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}
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#ifdef OS_WIN32
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if (TEST_FLAG(trcpConfig->flags, TRC_OPT_THREAD_ID))
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{
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/********************************************************************/
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/* Always put the colon before the thread ID so that, when only one */
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/* of the IDs is present, it is clear which it is. */
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/********************************************************************/
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hr = StringCchPrintf(tempString,
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SIZE_TCHARS(tempString),
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_T(":") TRC_THRD_FMT,
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threadId);
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if (SUCCEEDED(hr)) {
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hr = StringCchCat(frmtString, SIZE_TCHARS(frmtString), tempString);
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if (FAILED(hr)) {
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DC_QUIT;
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}
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}
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else {
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DC_QUIT;
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}
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}
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#endif
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#ifdef DC_OMIT
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if (TEST_FLAG(trcpConfig->flags, TRC_OPT_RELATIVE_TIME_STAMP))
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{
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/********************************************************************/
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/* @@@ SJ - 090297 */
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/* The idea is to show some low-order portion of the timestamp */
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/* relative to the start time, in order to track timing issues. */
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/********************************************************************/
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}
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#endif
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hr = StringCchPrintf(tempString,
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SIZE_TCHARS(tempString),
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_T("%c") TRC_FUNC_FMT _T("%c") TRC_LINE_FMT _T("%c%s"),
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fieldSeperator,
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(DCINT)trcpConfig->funcNameLength,
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(DCINT)trcpConfig->funcNameLength,
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funcName,
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fieldSeperator,
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lineNumber,
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fieldSeperator,
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trcpOutputBuffer);
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if (SUCCEEDED(hr)) {
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hr = StringCchCat(frmtString, SIZE_TCHARS(frmtString), tempString);
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if (FAILED(hr)) {
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DC_QUIT;
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}
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}
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else {
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DC_QUIT;
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}
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/************************************************************************/
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/* Add CR:LF to the end and update the length of the string. */
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/************************************************************************/
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hr = StringCchCat(frmtString, SIZE_TCHARS(frmtString), TRC_CRLF);
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if (FAILED(hr)) {
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DC_QUIT;
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}
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length = DC_TSTRLEN(frmtString) * sizeof(DCTCHAR);
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/************************************************************************/
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/* Now that we have got the trace string, we need to write it out. */
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/************************************************************************/
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TRCOutput(frmtString, length, traceLevel);
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/************************************************************************/
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/* If this is an assert trace then we need to reformat the string for */
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/* use in the assert box. We must do this before we release the */
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/* mutex. */
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/************************************************************************/
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hr = StringCchPrintf(frmtString,
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SIZE_TCHARS(frmtString),
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TRC_ASSERT_TEXT,
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trcpOutputBuffer,
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funcName,
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fileName,
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lineNumber);
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if (FAILED(hr)) {
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DC_QUIT;
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}
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/************************************************************************/
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/* Decide if we need to do a stack trace. We must do this after */
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/* reformating the string as we use the shared trace buffer - if we */
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/* don't then we'll overwrite the original trace string! */
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/************************************************************************/
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if ((traceLevel >= TRC_LEVEL_ERR) && (traceLevel != TRC_PROFILE_TRACE))
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{
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TRCStackTrace(traceLevel);
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}
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DC_EXIT_POINT:
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/************************************************************************/
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/* Release the mutex. */
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/************************************************************************/
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TRCReleaseMutex();
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/************************************************************************/
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/* Now display the assert box - if an assert is already displayed then */
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/* <TRCDisplayAssertBox> will just return. */
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/************************************************************************/
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if (TRC_LEVEL_ASSERT == traceLevel)
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{
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if (TEST_FLAG(trcpConfig->flags, TRC_OPT_BREAK_ON_ASSERT))
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{
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//
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// Break on assert so that we can actually get to see the assert
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// in situations like stress where the user may not be
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// watching for popups.
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//
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DebugBreak();
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}
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else
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{
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TRCDisplayAssertBox(frmtString);
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}
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}
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/************************************************************************/
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/* If this was an error level trace then we need to decide if we */
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/* should beep, and then if we should break into the debugger. */
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/************************************************************************/
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if (TRC_LEVEL_ERR == traceLevel)
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{
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/********************************************************************/
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/* Test if we should beep. */
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/********************************************************************/
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if (TEST_FLAG(trcpConfig->flags, TRC_OPT_BEEP_ON_ERROR))
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{
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TRCBeep();
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}
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/********************************************************************/
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/* Test if we should break into the debugger. Note that we have */
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/* released the mutex, so other processes can continue to trace. */
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/********************************************************************/
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if (TEST_FLAG(trcpConfig->flags, TRC_OPT_BREAK_ON_ERROR))
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{
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TRCDebugBreak();
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}
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}
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} /* TRC_TraceBuffer */
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/**PROC+*********************************************************************/
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/* TRC_GetConfig(...) */
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/* */
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/* See atrcapi.h for description. */
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/**PROC-*********************************************************************/
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DCBOOL DCAPI DCEXPORT TRC_GetConfig(PTRC_CONFIG pTraceConfig,
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DCUINT length)
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{
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DCBOOL rc = TRUE;
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/************************************************************************/
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/* Check to ensure that the current state is valid. If it is not then */
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/* just quit. */
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/************************************************************************/
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if ( trcpConfig == NULL )
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{
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TRCOpenSharedData();
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}
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else
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{
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TRCReadSharedDataConfig();
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}
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/************************************************************************/
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/* Copy information from fixed structure to callers structure. */
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/************************************************************************/
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DC_MEMCPY(pTraceConfig,
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trcpConfig,
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DC_MIN(length, sizeof(TRC_CONFIG)));
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DC_EXIT_POINT:
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return(rc);
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} /* TRC_GetConfig */
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/**PROC+*********************************************************************/
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/* TRC_SetConfig(...) */
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/* */
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/* See atrcapi.h for description. */
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/**PROC-*********************************************************************/
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DCBOOL DCAPI DCEXPORT TRC_SetConfig(PTRC_CONFIG pTraceConfig,
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DCUINT length)
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{
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DCBOOL rc = TRUE;
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DCUINT i;
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DCUINT32 maxFileSize;
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DCTCHAR fileNames[TRC_NUM_FILES][TRC_FILE_NAME_SIZE];
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HRESULT hr;
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/************************************************************************/
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/* Check to ensure that the current state is valid. If it is not then */
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/* just quit. */
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/************************************************************************/
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if ( trcpConfig == NULL )
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{
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TRCOpenSharedData();
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}
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else
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{
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TRCReadSharedDataConfig();
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}
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/************************************************************************/
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/* We do not support dynamic modification of the maximum trace file */
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/* size or of the trace file names. Therefore we store these before a */
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/* change and overwrite the new values to ensure that they do not */
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/* change. */
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/************************************************************************/
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maxFileSize = trcpConfig->maxFileSize;
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for (i = 0; i < TRC_NUM_FILES; i++)
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{
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StringCchCopy(fileNames[i], TRC_FILE_NAME_SIZE,
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trcpConfig->fileNames[i]);
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}
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/************************************************************************/
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/* Copy information from fixed structure to callers structure. */
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/************************************************************************/
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DC_MEMCPY(trcpConfig,
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pTraceConfig,
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DC_MIN(length, sizeof(TRC_CONFIG)));
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/************************************************************************/
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/* Now restore the maximum trace file size and the trace file names. */
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/************************************************************************/
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trcpConfig->maxFileSize = maxFileSize;
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for (i = 0; i < TRC_NUM_FILES; i++)
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{
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StringCchCopy(trcpConfig->fileNames[i],
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SIZE_TCHARS(trcpConfig->fileNames[i]),
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fileNames[i]);
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}
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/************************************************************************/
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/* Split the prefix list. */
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/************************************************************************/
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TRCSplitPrefixes();
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/************************************************************************/
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/* Store the new configuration data. */
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/************************************************************************/
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TRCWriteSharedDataConfig();
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DC_EXIT_POINT:
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return(rc);
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} /* TRC_SetConfig */
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/**PROC+*********************************************************************/
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/* TRC_TraceData(...) */
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/* */
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/* See atrcapi.h for description. */
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/**PROC-*********************************************************************/
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DCVOID DCAPI DCEXPORT TRC_TraceData(DCUINT traceLevel,
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DCUINT traceComponent,
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DCUINT lineNumber,
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PDCTCHAR funcName,
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PDCTCHAR fileName,
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PDCUINT8 buffer,
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DCUINT bufLength)
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{
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DCUINT i;
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/************************************************************************/
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/* If the trace checks fail then exit immediately. */
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/************************************************************************/
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if (!TRCShouldTraceThis(traceComponent, traceLevel, fileName, lineNumber))
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{
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/********************************************************************/
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/* Don't bother tracing this data. */
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/********************************************************************/
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DC_QUIT;
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}
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/************************************************************************/
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/* Truncate the length, if necessary. */
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/************************************************************************/
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if (bufLength > trcpConfig->dataTruncSize)
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{
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bufLength = (DCUINT)trcpConfig->dataTruncSize;
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}
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/************************************************************************/
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/* TRC_TraceBuffer will decrement the mutex usage count for us - so we */
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/* need to pre-increment it before calling TRC_BufferTrace. This */
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/* ensures that we still have the mutex when we come to trace the data */
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/* out. */
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/************************************************************************/
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TRCGrabMutex();
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/************************************************************************/
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/* Now trace out the description string. */
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/************************************************************************/
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TRC_TraceBuffer(traceLevel,
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traceComponent,
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lineNumber,
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funcName,
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fileName);
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/************************************************************************/
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/* Now trace the data portion. */
|
|
/************************************************************************/
|
|
for (i = 0; (i + 15) < bufLength; i += 16)
|
|
{
|
|
TRCDumpLine(buffer, 16, i, traceLevel);
|
|
buffer += 16;
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Check to see if we have a partial line to output. */
|
|
/************************************************************************/
|
|
if ((bufLength%16) > 0)
|
|
{
|
|
/********************************************************************/
|
|
/* Do partial line last. */
|
|
/********************************************************************/
|
|
TRCDumpLine(buffer, (bufLength%16), i, (DCUINT)traceLevel);
|
|
}
|
|
|
|
DC_EXIT_POINT:
|
|
|
|
/************************************************************************/
|
|
/* Finally free the mutex. */
|
|
/************************************************************************/
|
|
TRCReleaseMutex();
|
|
|
|
return;
|
|
|
|
} /* TRC_TraceData */
|
|
|
|
|
|
/**PROC+*********************************************************************/
|
|
/* TRC_GetTraceLevel(...) */
|
|
/* */
|
|
/* See atrcapi.h for description. */
|
|
/**PROC-*********************************************************************/
|
|
DCUINT DCAPI DCEXPORT TRC_GetTraceLevel(DCVOID)
|
|
{
|
|
DCUINT32 rc = TRC_LEVEL_DIS;
|
|
|
|
/************************************************************************/
|
|
/* Check to ensure that the current state is valid. If it is not then */
|
|
/* just quit. */
|
|
/************************************************************************/
|
|
if (!TRCCheckState())
|
|
{
|
|
DC_QUIT;
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Get the current trace level. */
|
|
/************************************************************************/
|
|
rc = trcpConfig->traceLevel;
|
|
|
|
DC_EXIT_POINT:
|
|
return((DCUINT)rc);
|
|
|
|
} /* TRC_GetTraceLevel */
|
|
|
|
|
|
/**PROC+*********************************************************************/
|
|
/* TRC_ProfileTraceEnabled */
|
|
/* */
|
|
/* See atrcapi.h for description. */
|
|
/**PROC-*********************************************************************/
|
|
DCBOOL DCAPI DCEXPORT TRC_ProfileTraceEnabled(DCVOID)
|
|
{
|
|
DCBOOL prfTrace = FALSE;
|
|
|
|
/************************************************************************/
|
|
/* Check to ensure that the current state is valid. If it is not then */
|
|
/* just quit. */
|
|
/************************************************************************/
|
|
if (!TRCCheckState())
|
|
{
|
|
DC_QUIT;
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Get the setting of the flag and return TRUE if function profile */
|
|
/* tracing is supported. */
|
|
/************************************************************************/
|
|
prfTrace = TEST_FLAG(trcpConfig->flags, TRC_OPT_PROFILE_TRACING);
|
|
|
|
DC_EXIT_POINT:
|
|
return(prfTrace);
|
|
|
|
} /* TRC_ProfileTraceEnabled */
|
|
|
|
|
|
/**PROC+*********************************************************************/
|
|
/* TRC_ResetTraceFiles */
|
|
/* */
|
|
/* See atrcapi.h for description. */
|
|
/**PROC-*********************************************************************/
|
|
DCBOOL DCAPI DCEXPORT TRC_ResetTraceFiles(DCVOID)
|
|
{
|
|
DCBOOL rc = TRUE;
|
|
|
|
/************************************************************************/
|
|
/* Check to ensure that the current state is valid. If it is not then */
|
|
/* just quit. */
|
|
/************************************************************************/
|
|
if (!TRCCheckState())
|
|
{
|
|
rc = FALSE;
|
|
DC_QUIT;
|
|
}
|
|
|
|
/************************************************************************/
|
|
/* Grab the mutex. */
|
|
/************************************************************************/
|
|
TRCGrabMutex();
|
|
|
|
/************************************************************************/
|
|
/* Call the OS specific function to reset the trace files. */
|
|
/************************************************************************/
|
|
TRCResetTraceFiles();
|
|
|
|
/************************************************************************/
|
|
/* Release the mutex. */
|
|
/************************************************************************/
|
|
TRCReleaseMutex();
|
|
|
|
DC_EXIT_POINT:
|
|
return(rc);
|
|
|
|
} /* TRC_ResetTraceFiles */
|
|
|
|
//
|
|
// Sprintf that will take care of truncating to the trace buffer size
|
|
//
|
|
#ifndef TRC_SAFER_SPRINTF
|
|
#define TRC_SAFER_SPRINTF
|
|
VOID TRCSaferSprintf(PDCTCHAR outBuf, UINT cchLen, const PDCTCHAR format,...)
|
|
{
|
|
HRESULT hr;
|
|
va_list vaArgs;
|
|
|
|
va_start(vaArgs, format);
|
|
|
|
hr = StringCchVPrintf(outBuf,
|
|
cchLen,
|
|
format,
|
|
vaArgs);
|
|
va_end(vaArgs);
|
|
}
|
|
#endif
|
|
|