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188 lines
4.5 KiB
C
188 lines
4.5 KiB
C
/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
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*
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* The contents of this file are subject to the Netscape Public License
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* Version 1.0 (the "NPL"); you may not use this file except in
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* compliance with the NPL. You may obtain a copy of the NPL at
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* http://www.mozilla.org/NPL/
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*
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* Software distributed under the NPL is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
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* for the specific language governing rights and limitations under the
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* NPL.
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*
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* The Initial Developer of this code under the NPL is Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All Rights
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* Reserved.
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*/
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#include "mkutils.h"
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#include "mktrace.h"
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#include "timing.h"
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#include "prprf.h"
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#include "prlog.h"
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#include "prtime.h"
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/* If you want to trace netlib, set this to 1, or use CTRL-ALT-T
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* stroke (preferred method) to toggle it on and off */
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int MKLib_trace_flag=0;
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PUBLIC void NET_ToggleTrace(void) {
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if(MKLib_trace_flag)
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MKLib_trace_flag = 0;
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else
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MKLib_trace_flag = 1;
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}
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/* Map netlib trace messages into nspr logger so that they are
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* thread safe. */
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#if defined(DEBUG) || defined(NETLIB_TRACE_ON)
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PRLogModuleInfo* NETLIB=NULL;
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/* Used by NET_NTrace() */
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PRIVATE void net_Trace(char *msg) {
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/* Only trace if the user explicitly told us to. */
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if(MKLib_trace_flag) {
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/* PR_LogPrint prints to stderr which doesn't exist in a windows app.
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* Use the win32 routine OutputDebugString to get text to goto the
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* debug console. */
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#if defined(WIN32) && defined(DEBUG)
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OutputDebugString(msg);
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OutputDebugString("\n");
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#else
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PR_LogPrint(msg);
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#endif
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} else {
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PR_LOG(NETLIB, PR_LOG_ALWAYS, (msg));
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}
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}
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/* Called to trace a message */
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void NET_NTrace(char *msg, int32 length) {
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char * new_string = PR_Malloc(length+1);
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if(!new_string)
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return;
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strncpy(new_string, msg, length);
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new_string[length] = '\0';
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net_Trace(new_string);
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FREE(new_string);
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}
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/* #define'd in mktrace.h to TRACEMSG */
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void _MK_TraceMsg(char *fmt, ...) {
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va_list ap;
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char buf[512];
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va_start(ap, fmt);
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PR_vsnprintf(buf, sizeof(buf), fmt, ap);
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net_Trace(buf);
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}
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#endif /* DEBUG || NETLIB_TRACE_ON */
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/************************************************
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*
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* Runtime performance tracing stubs.
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*
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*/
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static PRLogModuleInfo* gTimingLog = NULL;
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static const char* gTimingModuleName = "nsTiming";
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/**
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* Ensure that the log module actually exists before trying to use it.
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* @return <tt>FALSE</tt> if something goes wrong.
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*/
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static PRBool
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EnsureLogModule(void)
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{
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if (gTimingLog == NULL) {
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if ((gTimingLog = PR_NewLogModule(gTimingModuleName)) != NULL) {
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/* Off to start with */
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gTimingLog->level = PR_LOG_NONE;
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}
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}
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return (gTimingLog != NULL) ? PR_TRUE : PR_FALSE;
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}
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/**
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* Write a message to the log. You should use the TIMING_MSG() macro,
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* rather than calling this directly.
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*/
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PUBLIC void
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TimingWriteMessage(const char* fmtstr, ...)
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{
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char line[256];
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va_list ap;
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if (! EnsureLogModule())
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return;
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if (gTimingLog->level == PR_LOG_NONE)
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return;
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va_start(ap, fmtstr);
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{
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PRExplodedTime now;
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PRUint32 nb;
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PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &now);
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/* Print out "YYYYMMDD.HHMMSS.UUUUUU: " */
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nb = PR_snprintf(line, sizeof(line) - 1,
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"%04d%02d%02d.%02d%02d%02d.%06d: ",
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now.tm_year, now.tm_month + 1, now.tm_mday,
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now.tm_hour, now.tm_min, now.tm_sec,
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now.tm_usec);
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/* ...followed by the "real" message */
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nb += PR_vsnprintf(line + nb, sizeof(line) - nb - 1, fmtstr, ap);
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}
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PR_LOG(gTimingLog, PR_LOG_NOTICE, (line));
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}
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/**
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* Enable or disable the timing log.
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*/
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PUBLIC void
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TimingSetEnabled(PRBool enabled)
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{
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if (! EnsureLogModule())
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return;
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if (enabled) {
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if (gTimingLog->level == PR_LOG_NONE) {
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gTimingLog->level = PR_LOG_NOTICE;
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TimingWriteMessage("(tracing enabled)");
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}
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} else {
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if (gTimingLog->level != PR_LOG_NONE) {
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TimingWriteMessage("(tracing disabled)");
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gTimingLog->level = PR_LOG_NONE;
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}
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}
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}
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/**
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* Query whether the timing log is enabled.
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*/
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PUBLIC PRBool
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TimingIsEnabled(void)
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{
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if (! EnsureLogModule())
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return PR_FALSE;
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return (gTimingLog->level == PR_LOG_NONE) ? PR_FALSE : PR_TRUE;
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}
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