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/****************************************************************************/// ntrcdisp.c
//
// RDP Trace helper functions.
//
// Copyright (C) 1997-2000 Microsoft Corporation
/****************************************************************************/
#include <precmpdd.h>
#pragma hdrstop
#ifdef DC_DEBUG
#include <adcg.h>
#include <atrcapi.h>
#define DC_INCLUDE_DATA
#include <ndddata.c>
#undef DC_INCLUDE_DATA
/****************************************************************************//* TRCTraceLocal - internal function used by TRC_TraceLine *//****************************************************************************/void TRCTraceLocal(char *traceFormat, ...){ va_list ap; va_start(ap, traceFormat);
EngDebugPrint("RDPDD:", traceFormat, ap);
va_end(ap);}
/****************************************************************************//* TRC_TraceLine - trace a line *//****************************************************************************/void TRC_TraceLine( PVOID pWD, UINT32 traceClass, UINT32 traceType, char *traceString, char separator, unsigned lineNumber, char *funcName, char *fileName){ /************************************************************************/ /* Check whether trace to WD is required and initialized */ /************************************************************************/ if (ddTrcToWD && pddShm) { ICA_TRACE_BUFFER trc; unsigned bytesReturned;
trc.DataLength = sprintf(trc.Data, "RDPDD%c%p%c"TRC_FUNC_FMT"%c"TRC_LINE_FMT"%c%s\n", separator, pddTSWd, separator, TRC_FUNCNAME_LEN, TRC_FUNCNAME_LEN, funcName, separator, lineNumber, separator, traceString);
trc.TraceClass = TC_DISPLAY; trc.TraceEnable = traceType;
EngFileIoControl(ddWdHandle, IOCTL_ICA_CHANNEL_TRACE, &trc, sizeof(trc), NULL, 0, &bytesReturned); } else { /********************************************************************/ /* Local-only tracing */ /********************************************************************/ TRCTraceLocal("%c"TRC_FUNC_FMT"%c"TRC_LINE_FMT"%c%s\n", separator, TRC_FUNCNAME_LEN, TRC_FUNCNAME_LEN, funcName, separator, lineNumber, separator, traceString); }}
/****************************************************************************//* TRCPrefixMatch *//* *//* Internal function to compare a component name to a prefix. *//* - assumes both are the same case *//* - returns *//* - TRUE if characters up to end of prefix match *//* - FALSE otherwise *//****************************************************************************/BOOL TRCPrefixMatch(char *cpnt, char *prefix){ while ((*cpnt == *prefix) && (*prefix != 0)) { cpnt++; prefix++; } if (*prefix == 0) { return TRUE; } return FALSE;}
/****************************************************************************//* TRC_WillTrace *//****************************************************************************/BOOL TRC_WillTrace( UINT32 traceType, UINT32 traceClass, char *fileName, UINT32 line){ BOOL rc; int i;
/************************************************************************/ /* If tracing is not going to WD, OR SHM is not set up, check the local */ /* trace level. No prefix checking is done in this case. */ /************************************************************************/ if (!ddTrcToWD || !pddShm) { rc = (ddTrcType & traceType); DC_QUIT; }
/************************************************************************/ /* Tracing is going to WD, AND SHM is set up. */ /************************************************************************/ /************************************************************************/ /* Check whether this type and class are enabled. */ /************************************************************************/ if (!(traceType & pddShm->trc.TraceEnable) || !(traceClass & pddShm->trc.TraceClass)) { rc = FALSE; DC_QUIT; }
/************************************************************************/ /* If we get here, this line will be traced by WD. Now decide whether */ /* we want to pass it to WD. */ /************************************************************************/
/************************************************************************/ /* Always trace errors, irrespective of prefix. */ /************************************************************************/ if (traceType & TT_API4) { rc = TRUE; DC_QUIT; }
/************************************************************************/ /* Trace all lines if no prefixes are defined. */ /************************************************************************/ if (pddShm->trc.prefix[0].name[0] == 0) { rc = TRUE; DC_QUIT; }
/************************************************************************/ /* Some prefixes are defined - check whether this line matches any of */ /* them. */ /************************************************************************/ for (i = 0; i < TRC_MAX_PREFIX; i++) { if (pddShm->trc.prefix[i].name[0] == 0) { /****************************************************************/ /* End of list - break */ /****************************************************************/ break; }
if (TRCPrefixMatch(&(fileName[1]), pddShm->trc.prefix[i].name)) { /****************************************************************/ /* Found matching filename - is there a line number range */ /* specified? */ /****************************************************************/ if ((pddShm->trc.prefix[i].start == 0) && (pddShm->trc.prefix[i].end == 0)) { /************************************************************/ /* No line number range - trace this line */ /************************************************************/ rc = TRUE; DC_QUIT; }
/****************************************************************/ /* There's a line number range - see if this line falls within */ /* it. */ /****************************************************************/ if ((line >= pddShm->trc.prefix[i].start) && (line <= pddShm->trc.prefix[i].end)) { /************************************************************/ /* Line within prefix range - trace it. */ /************************************************************/ rc = TRUE; DC_QUIT; } } } /* for */
/************************************************************************/ /* If we get here, we've searched the list of prefixes and failed to */ /* find a match - don't trace the line */ /************************************************************************/ rc = FALSE;
DC_EXIT_POINT: return rc;}
#endif /* DC_DEBUG */
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