pjs/network/main/mktrace.c

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9.9 KiB
C
Исходник Обычный вид История

/* -*- Mode: C; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public License
* Version 1.0 (the "NPL"); you may not use this file except in
* compliance with the NPL. You may obtain a copy of the NPL at
* http://www.mozilla.org/NPL/
*
* Software distributed under the NPL is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
* for the specific language governing rights and limitations under the
* NPL.
*
* The Initial Developer of this code under the NPL is Netscape
* Communications Corporation. Portions created by Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
* Reserved.
*/
#define FORCE_PR_LOG /* So that this works in an optimized build */
#include "mkutils.h"
#include "mktrace.h"
#include "timing.h"
#include "prprf.h"
#include "plstr.h"
#include "prlog.h"
#include "prsystem.h"
#include "prtime.h"
#include "plhash.h"
/* If you want to trace netlib, set this to 1, or use CTRL-ALT-T
* stroke (preferred method) to toggle it on and off */
int MKLib_trace_flag=0;
PUBLIC void NET_ToggleTrace(void) {
if(MKLib_trace_flag)
MKLib_trace_flag = 0;
else
MKLib_trace_flag = 1;
}
/* Map netlib trace messages into nspr logger so that they are
* thread safe. */
#if defined(DEBUG) || defined(NETLIB_TRACE_ON)
PRLogModuleInfo* NETLIB=NULL;
/* Used by NET_NTrace() */
PRIVATE void net_Trace(char *msg) {
/* Only trace if the user explicitly told us to. */
if(MKLib_trace_flag) {
/* PR_LogPrint prints to stderr which doesn't exist in a windows app.
* Use the win32 routine OutputDebugString to get text to goto the
* debug console. */
#if defined(WIN32) && defined(DEBUG)
OutputDebugString(msg);
OutputDebugString("\n");
#else
PR_LogPrint(msg);
#endif
} else {
PR_LOG(NETLIB, PR_LOG_ALWAYS, (msg));
}
}
/* Called to trace a message */
void NET_NTrace(char *msg, int32 length) {
char * new_string = PR_Malloc(length+1);
if(!new_string)
return;
strncpy(new_string, msg, length);
new_string[length] = '\0';
net_Trace(new_string);
FREE(new_string);
}
/* #define'd in mktrace.h to TRACEMSG */
void ns_MK_TraceMsg(char *fmt, ...) {
va_list ap;
char buf[512];
va_start(ap, fmt);
PR_vsnprintf(buf, sizeof(buf), fmt, ap);
net_Trace(buf);
}
#endif /* DEBUG || NETLIB_TRACE_ON */
/************************************************
*
* Runtime performance tracing stubs.
*
*/
static PRLogModuleInfo* gTimingLog = NULL;
static const char* gTimingModuleName = "nsTiming";
/**
* Rev this if the output format changes significantly
*/
#define TIMING_VERSION 0x10000
/**
* Ensure that the log module actually exists before trying to use it.
* @return <tt>FALSE</tt> if something goes wrong.
*/
static PRBool
EnsureLogModule(void)
{
if (gTimingLog == NULL) {
if ((gTimingLog = PR_NewLogModule(gTimingModuleName)) == NULL)
return PR_FALSE;
/* _On_ to start with -- if the env is set up */
gTimingLog->level = PR_LOG_NOTICE;
{
/* Dump the session info */
char hostname[SYS_INFO_BUFFER_LENGTH];
char sysname[SYS_INFO_BUFFER_LENGTH];
char release[SYS_INFO_BUFFER_LENGTH];
char arch[SYS_INFO_BUFFER_LENGTH];
if (PR_GetSystemInfo(PR_SI_HOSTNAME, hostname, sizeof(hostname)) != PR_SUCCESS)
hostname[0] = '\0';
if (PR_GetSystemInfo(PR_SI_SYSNAME, sysname, sizeof(sysname)) != PR_SUCCESS)
sysname[0] = '\0';
/* PR_SI_RELEASE only works for unix and it will still return success. */
#ifdef XP_UNIX
if (PR_GetSystemInfo(PR_SI_RELEASE, release, sizeof(release)) != PR_SUCCESS)
release[0] = '\0';
#else
release[0] = '\0';
#endif
if (PR_GetSystemInfo(PR_SI_ARCHITECTURE, arch, sizeof(arch)) != PR_SUCCESS)
arch[0] = '\0';
TimingWriteMessage("begin-session,%08x,%s,%s,%s,%s,%s,%ld",
TIMING_VERSION, hostname, sysname,
release, arch,
#ifdef DEBUG
"debug",
#else
"opt",
#endif
0 /* XXX build number */
);
}
}
return (gTimingLog != NULL) ? PR_TRUE : PR_FALSE;
}
/**
* Write a message to the log. You should use the TIMING_MSG() macro,
* rather than calling this directly.
*/
PR_IMPLEMENT(void)
TimingWriteMessage(const char* fmtstr, ...)
{
char line[256];
va_list ap;
PRUint32 nb;
if (! EnsureLogModule())
return;
if (gTimingLog->level == PR_LOG_NONE)
return;
{
PRExplodedTime now;
PR_ExplodeTime(PR_Now(), PR_LocalTimeParameters, &now);
/* Print out "YYYYMMDD.HHMMSS.UUUUUU: " */
nb = PR_snprintf(line, sizeof(line) - 1,
"%04d%02d%02d.%02d%02d%02d.%06d: ",
now.tm_year, now.tm_month + 1, now.tm_mday,
now.tm_hour, now.tm_min, now.tm_sec,
now.tm_usec);
}
/* ...followed by the "real" message */
va_start(ap, fmtstr);
nb += PR_vsnprintf(line + nb, sizeof(line) - nb - 1, fmtstr, ap);
PR_LOG(gTimingLog, PR_LOG_NOTICE, ("%s", line));
}
/**
* Enable or disable the timing log.
*/
PR_IMPLEMENT(void)
TimingSetEnabled(PRBool enabled)
{
if (! EnsureLogModule())
return;
if (enabled) {
if (gTimingLog->level == PR_LOG_NONE) {
gTimingLog->level = PR_LOG_NOTICE;
TimingWriteMessage("(tracing enabled)");
}
} else {
if (gTimingLog->level != PR_LOG_NONE) {
TimingWriteMessage("(tracing disabled)");
gTimingLog->level = PR_LOG_NONE;
}
}
}
/**
* Query whether the timing log is enabled.
*/
PR_IMPLEMENT(PRBool)
TimingIsEnabled(void)
{
if (! EnsureLogModule())
return PR_FALSE;
return (gTimingLog->level == PR_LOG_NONE) ? PR_FALSE : PR_TRUE;
}
/*************************************************************************
*
* Clocking functions
*
*/
/*
* Allocation routines
*/
static PR_CALLBACK void*
_timingClockAllocTable(void* pool, PRSize size)
{
return PR_MALLOC(size);
}
static PR_CALLBACK void
_timingClockFreeTable(void* pool, void* item)
{
PR_DELETE(item);
}
static PR_CALLBACK PLHashEntry*
_timingClockAllocEntry(void* pool, const void* key)
{
return PR_NEW(PLHashEntry);
}
static PR_CALLBACK void
_timingClockFreeEntry(void* pool, PLHashEntry* he, PRUintn flag)
{
if (flag == HT_FREE_VALUE) {
if (he->value)
PR_DELETE(he->value);
}
else if (flag == HT_FREE_ENTRY) {
if (he->key)
PL_strfree((char*) he->key);
if (he->value)
PR_DELETE(he->value);
PR_DELETE(he);
}
}
static PLHashAllocOps _timingClockAllocOps = {
_timingClockAllocTable,
_timingClockFreeTable,
_timingClockAllocEntry,
_timingClockFreeEntry
};
/**
* The initial size of the clock table
*/
#define CLOCK_TABLE_INIT_SIZE 13
/**
* The clock table.
*/
static PLHashTable *_timingClockTable = NULL;
/**
* Ensure that the clock table exists and is initialized.
*/
static PRBool
EnsureTimingTable()
{
if (! _timingClockTable) {
_timingClockTable =
PL_NewHashTable(CLOCK_TABLE_INIT_SIZE,
PL_HashString,
PL_CompareStrings,
PL_CompareValues,
&_timingClockAllocOps,
NULL);
}
return (_timingClockTable != NULL);
}
/**
* Start a clock
*/
PR_IMPLEMENT(void)
TimingStartClock(const char* clock)
{
char* key = NULL;
PRTime* value = NULL;
if (! TimingIsEnabled())
return;
if (! EnsureTimingTable())
return;
if (PL_HashTableLookup(_timingClockTable, clock) != NULL)
/* The clock is already running... */
return;
if ((key = PL_strdup(clock)) == NULL)
goto error;
if ((value = PR_NEW(PRTime)) == NULL)
goto error;
*value = PR_Now();
PL_HashTableAdd(_timingClockTable, key, value);
return;
error:
if (key)
PL_strfree(key);
PR_DELETE(value);
}
PR_EXTERN(PRBool)
TimingStopClock(PRTime* result, const char* clock)
{
PRTime* start;
PRTime stop = PR_Now();
if (! TimingIsEnabled())
return PR_FALSE;
if (! EnsureTimingTable())
return PR_FALSE;
if ((start = PL_HashTableLookup(_timingClockTable, clock)) != NULL) {
if (result != NULL)
LL_SUB(*result, stop, *start);
PL_HashTableRemove(_timingClockTable, clock);
return PR_TRUE;
} else {
*result = LL_ZERO;
return PR_FALSE;
}
}
PR_EXTERN(PRBool)
TimingIsClockRunning(const char* clock)
{
if (! TimingIsEnabled())
return PR_FALSE;
if (! EnsureTimingTable())
return PR_FALSE;
if (PL_HashTableLookup(_timingClockTable, clock) != NULL) {
return PR_TRUE;
} else {
return PR_FALSE;
}
}
PR_EXTERN(char*)
TimingElapsedTimeToString(PRTime time, char* buffer, PRUint32 size)
{
PRTime tmUSec;
PRTime tmSec;
PRTime tmMin;
{
PRTime n;
LL_UI2L(n, 1000000L);
LL_MOD(tmUSec, time, n);
LL_DIV(time, time, n);
}
{
PRTime n;
LL_UI2L(n, 60L);
LL_MOD(tmSec, time, n);
LL_DIV(time, time, n);
LL_MOD(tmMin, time, n);
LL_DIV(time, time, n);
}
{
PRUint32 nHours;
PRUint32 nMin;
PRUint32 nSec;
PRUint32 nUSec;
LL_L2UI(nHours, time);
LL_L2UI(nMin, tmMin);
LL_L2UI(nSec, tmSec);
LL_L2UI(nUSec, tmUSec);
/* Print out "HHMMSS.UUUUUU" */
PR_snprintf(buffer, size, "%02d%02d%02d.%06d",
nHours, nMin, nSec, nUSec);
}
return buffer;
}