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429 lines
11 KiB
C++
429 lines
11 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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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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/* file: abtrace.cpp
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** Most portions closely derive from public domain IronDoc code and interfaces.
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**
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** Changes:
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** <1> 06Feb1998 first implementation
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** <0> 23Dec1997 first interface draft
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*/
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#ifndef _ABTABLE_
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#include "abtable.h"
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#endif
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#ifndef _ABMODEL_
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#include "abmodel.h"
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#endif
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/*3456789_123456789_123456789_123456789_123456789_123456789_123456789_12345678*/
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/* ----- ----- ----- ----- ----- ----- ----- ----- ----- ----- */
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#if AB_CONFIG_TRACE_orDEBUG_orPRINT
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static const char* ab_Tracer_kClassName /*i*/ = "ab_Tracer";
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#endif /* end AB_CONFIG_TRACE_orDEBUG_orPRINT*/
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#if AB_CONFIG_TRACE_orDEBUG_orPRINT
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static const char* ab_FileTracer_kClassName /*i*/ = "ab_FileTracer";
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#endif /* end AB_CONFIG_TRACE_orDEBUG_orPRINT*/
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/* ===== ===== ===== ===== ab_Tracer ===== ===== ===== ===== */
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// ````` ````` ````` ````` ````` ````` ````` `````
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// virtual ab_Object methods
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ab_Tracer::~ab_Tracer() /*i*/
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{
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}
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// ````` ````` ````` ````` ````` ````` ````` `````
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// non-poly ab_Tracer methods
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void ab_Tracer::Trace(ab_Env* ev, const char* inFormat, ...) /*i*/
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{
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#ifdef AB_CONFIG_TRACE
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if ( this->IsOpenObject() )
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{
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char buf[ AB_Env_kFormatBufferSize ];
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va_list args;
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va_start(args,inFormat);
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PR_vsnprintf(buf, AB_Env_kFormatBufferSize, inFormat, args);
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va_end(args);
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this->TraceString(ev, buf);
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}
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#ifdef AB_CONFIG_DEBUG
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// presumably this tracer is inside ev, so breaking might recurse:
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else this->ObjectPanic("ab_Tracer not open");
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#endif /*AB_CONFIG_DEBUG*/
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#endif /*AB_CONFIG_TRACE*/
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}
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ab_Tracer::ab_Tracer(const ab_Usage& inUsage) /*i*/
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: ab_Object(inUsage),
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mTracer_MethodDepth( 0 )
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{
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}
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/* ===== ===== ===== ===== ab_FileTracer ===== ===== ===== ===== */
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// ````` ````` ````` ````` ````` ````` ````` `````
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// protected non-poly ab_FileTracer methods
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#define ab_FileTracer_kInsetSize /*i*/ 8
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#define ab_FileTracer_kBlanksLength /*i*/ 32 /* static blank string length */
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void ab_FileTracer::trace_indent(ab_Env* ev) /*i*/
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{
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// copied almost verbatim from IronDoc sources:
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ab_File* file = mFileTracer_File;
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if ( file && file->IsOpenObject() )
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{
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static const char* kBlanks = "<indent . . . . . . . . . . . . . . . . . ";
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/* comment to count sections: 12345678 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 */
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const char* inset = kBlanks + ab_FileTracer_kInsetSize; /* skip tag */
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ab_num count = 0; /* the count of times we write something */
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ab_num remaining = mTracer_MethodDepth * 2; /* 2 blanks per indent */
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if ( remaining > 1024 ) /* more than some reasonable upper bound? */
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remaining = 1024;
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if ( remaining ) /* is there any indentation to write? */
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{
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/* keep looping even if an error has occurred */
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while ( remaining ) /* more blanks to write? */
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{
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ab_num quantum = remaining;
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if ( quantum > ab_FileTracer_kBlanksLength )
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quantum = ab_FileTracer_kBlanksLength;
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if ( count ) /* have we already written at least once? */
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file->Write(ev, inset, quantum);
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else
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file->Write(ev, kBlanks, quantum + ab_FileTracer_kInsetSize);
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++count; /* only write the leading indent tag a single time */
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remaining -= quantum;
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}
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file->Write(ev, "/> ", 3); /* end the indent tag */
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}
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else /* we want to write at least the basic indent tag */
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{
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file->Write(ev, "<indent /> ", 11); /* empty tag */
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/* count length: 12345678901 */
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}
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}
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}
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// ````` ````` ````` ````` tags ````` ````` ````` `````
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/* :::: ruler for string lengths:- 0123456789012 */
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static const char* ab_kTraceTag = "<ab:trace>"; // length 10
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#define ab_kTraceTagSize 10
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#ifdef XP_MAC
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static const char* ab_kTraceEndTag = "</ab:trace>\015";
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# define ab_kTraceEndTagSize 12
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#else
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# if defined(XP_WIN) || defined(XP_OS2)
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static const char* ab_kTraceEndTag = "</ab:trace>\015\012";
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# define ab_kTraceEndTagSize 13
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# else
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# ifdef XP_UNIX
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static const char* ab_kTraceEndTag = "</ab:trace>\012";
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# define ab_kTraceEndTagSize 12
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# endif /* XP_UNIX */
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# endif /* XP_WIN */
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#endif /* XP_MAC */
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// ````` ````` ````` ````` tags ````` ````` ````` `````
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void ab_FileTracer::trace_string(ab_Env* ev, const char* inMessage, /*i*/
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ab_bool inXmlWrap)
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{
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#ifdef AB_CONFIG_TRACE
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// copied closely from IronDoc sources:
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ab_File* file = mFileTracer_File;
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if ( file && file->IsOpenObject() )
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{
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this->trace_indent(ev);
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if ( inXmlWrap ) // need a leading trace tag?
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file->Write(ev, ab_kTraceTag, ab_kTraceTagSize);
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file->Write(ev, inMessage, XP_STRLEN(inMessage));
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if ( inXmlWrap ) // need a trailing end trace tag?
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file->Write(ev, ab_kTraceEndTag, ab_kTraceEndTagSize);
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else
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file->Write(ev, ab_kNewline, ab_kNewlineSize);
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}
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#endif /*AB_CONFIG_TRACE*/
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}
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// ````` ````` ````` ````` ````` ````` ````` `````
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// virtual ab_Tracer methods
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void ab_FileTracer::TraceString(ab_Env* ev, const char* inMessage) /*i*/
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{
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#ifdef AB_CONFIG_TRACE
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this->trace_string(ev, inMessage, /*inXmlWrap*/ AB_kTrue);
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#endif /*AB_CONFIG_TRACE*/
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}
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void ab_FileTracer::BeginMethod(ab_Env* ev, const char* inClass, /*i*/
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const char* inMethod)
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{
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#ifdef AB_CONFIG_TRACE
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if ( this->IsOpenObject() )
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{
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char buf[ 256 ];
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XP_SPRINTF(buf, "<ab:trace method=\"%.48s::%.48s\"> {",
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inClass, inMethod);
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this->trace_string(ev, buf, /*inXmlWrap*/ AB_kFalse);
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++mTracer_MethodDepth;
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}
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#endif /*AB_CONFIG_TRACE*/
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}
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void ab_FileTracer::EndMethod(ab_Env* ev) /*i*/
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{
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#ifdef AB_CONFIG_TRACE
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if ( this->IsOpenObject() )
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{
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if ( mTracer_MethodDepth )
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--mTracer_MethodDepth;
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else
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{
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#ifdef AB_CONFIG_DEBUG
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this->BreakObject(ev);
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#endif /*AB_CONFIG_DEBUG*/
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}
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this->trace_string(ev, "} </ab:trace>", /*inXmlWrap*/ AB_kFalse);
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}
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#endif /*AB_CONFIG_TRACE*/
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}
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void ab_FileTracer::Flush(ab_Env* ev) /*i*/
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{
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#ifdef AB_CONFIG_TRACE
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if ( this->IsOpenObject() )
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{
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ab_File* file = mFileTracer_File;
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if ( file && file->IsOpenObject() )
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{
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file->Flush(ev);
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}
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else this->CastAwayConstCloseObject(ev);
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}
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#endif /*AB_CONFIG_TRACE*/
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}
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ab_Printer* ab_FileTracer::GetPrinter(ab_Env* ev) /*i*/
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{
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AB_USED_PARAMS_1(ev);
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ab_Printer* outPrinter = 0;
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if ( this->IsOpenObject() )
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outPrinter = mFileTracer_Printer;
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return outPrinter;
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}
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// ````` ````` ````` ````` ````` ````` ````` `````
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// virtual ab_Object methods
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char* ab_FileTracer::ObjectAsString(ab_Env* ev, char* outXmlBuf) const /*i*/
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{
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AB_USED_PARAMS_1(ev);
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#if AB_CONFIG_TRACE_orDEBUG_orPRINT
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XP_SPRINTF(outXmlBuf,
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"<ab:file:tracer:str me=\"^%lX\" md=\"%ld\" f:p=\"^%lX:^%lx\" rc=\"%lu\" a=\"%.9s\" u=\"%.9s\"/>",
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(long) this, // me=\"^%lX\"
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(long) mTracer_MethodDepth, // md=\"%ld\"
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(long) mFileTracer_File, // f:p=\"^%lX
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(long) mFileTracer_Printer, // ^%lx\"
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(unsigned long) mObject_RefCount, // rc=\"%lu\"
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this->GetObjectAccessAsString(), // ac=\"%.9s\"
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this->GetObjectUsageAsString() // us=\"%.9s\"
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);
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#else
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*outXmlBuf = 0; /* empty string */
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#endif /*AB_CONFIG_TRACE_orDEBUG_orPRINT*/
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return outXmlBuf;
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}
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void ab_FileTracer::CloseObject(ab_Env* ev) /*i*/
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{
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if ( this->IsOpenObject() )
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{
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this->MarkClosing();
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this->CloseFileTracer(ev);
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this->MarkShut();
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}
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}
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void ab_FileTracer::PrintObject(ab_Env* ev, ab_Printer* ioPrinter) const /*i*/
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{
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#ifdef AB_CONFIG_PRINT
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ioPrinter->PutString(ev, "<ab:file:tracer>");
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char xmlBuf[ ab_Object_kXmlBufSize + 2 ];
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if ( this->IsOpenObject() )
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{
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ioPrinter->PushDepth(ev); // indent all objects in the list
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ioPrinter->NewlineIndent(ev, /*count*/ 1);
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ioPrinter->PutString(ev, this->ObjectAsString(ev, xmlBuf));
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if ( mFileTracer_File )
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{
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ioPrinter->NewlineIndent(ev, /*count*/ 1);
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mFileTracer_File->PrintObject(ev, ioPrinter);
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}
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if ( mFileTracer_Printer )
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{
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ioPrinter->NewlineIndent(ev, /*count*/ 1);
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mFileTracer_Printer->PrintObject(ev, ioPrinter);
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}
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ioPrinter->PopDepth(ev); // stop indentation
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}
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else // use ab_Object::ObjectAsString() for non-objects:
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{
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ioPrinter->PutString(ev, this->ab_Object::ObjectAsString(ev, xmlBuf));
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}
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ioPrinter->NewlineIndent(ev, /*count*/ 1);
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ioPrinter->PutString(ev, "</ab:file:tracer>");
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#endif /*AB_CONFIG_PRINT*/
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}
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ab_FileTracer::~ab_FileTracer() /*i*/
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{
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AB_ASSERT(mFileTracer_File==0);
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AB_ASSERT(mFileTracer_Printer==0);
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#if AB_CONFIG_TRACE_orDEBUG_orPRINT
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ab_Object* obj = mFileTracer_File;
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if ( obj )
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obj->ObjectNotReleasedPanic(ab_FileTracer_kClassName);
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obj = mFileTracer_Printer;
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if ( obj )
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obj->ObjectNotReleasedPanic(ab_FileTracer_kClassName);
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#endif /*AB_CONFIG_TRACE_orDEBUG_orPRINT*/
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}
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// ````` ````` ````` ````` ````` ````` ````` `````
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// public non-poly ab_FileTracer methods
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ab_FileTracer::ab_FileTracer(ab_Env* ev, const ab_Usage& inUsage, /*i*/
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ab_File* ioFile, ab_Printer* ioPrinter)
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: ab_Tracer(inUsage),
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mFileTracer_File( 0 ),
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mFileTracer_Printer( 0 )
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{
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ab_Env_BeginMethod(ev, ab_FileTracer_kClassName, ab_FileTracer_kClassName)
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if ( ev->Good() )
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{
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if ( ioFile && ioPrinter )
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{
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if ( ioFile->AcquireObject(ev) )
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{
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mFileTracer_File = ioFile;
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if ( ioPrinter->AcquireObject(ev) )
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mFileTracer_Printer = ioPrinter;
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}
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}
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else ev->NewAbookFault(ab_Object_kFaultNullObjectParameter);
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}
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ab_Env_EndMethod(ev)
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}
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void ab_FileTracer::CloseFileTracer(ab_Env* ev) /*i*/
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{
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ab_Env_BeginMethod(ev, ab_FileTracer_kClassName, "CloseFileTracer")
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ab_Object* obj = mFileTracer_File;
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if ( obj )
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{
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mFileTracer_File = 0;
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obj->ReleaseObject(ev);
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}
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obj = mFileTracer_Printer;
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if ( obj )
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{
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mFileTracer_Printer = 0;
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obj->ReleaseObject(ev);
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}
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ab_Env_EndMethod(ev)
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}
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static ab_FileTracer* ab_FileTracer_g_log_tracer = 0;
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/*static*/
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ab_FileTracer* ab_FileTracer::GetLogFileTracer(ab_Env* ev)
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// standard session file tracer (uses ab_StdioFile::GetLogStdioFile()).
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// This tracer instance is used by ab_Env::GetLogFileEnv().
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// (Please, never close this tracer instance.)
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{
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ab_FileTracer* outTracer = 0;
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ab_Env_BeginMethod(ev, ab_FileTracer_kClassName, "GetLogFileTracer")
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outTracer = ab_FileTracer_g_log_tracer;
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if ( !outTracer )
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{
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ab_StdioFile* file = ab_StdioFile::GetLogStdioFile(ev);
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if ( file )
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{
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ab_Printer* printer = ab_FilePrinter::GetLogFilePrinter(ev);
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if ( printer )
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{
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outTracer = new(*ev)
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ab_FileTracer(ev, ab_Usage::kHeap, file, printer);
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}
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}
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if ( outTracer )
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{
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ab_FileTracer_g_log_tracer = outTracer;
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outTracer->AcquireObject(ev);
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}
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}
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if ( outTracer )
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{
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#ifdef AB_CONFIG_TRACE
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if ( ev->DoTrace() )
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outTracer->TraceObject(ev);
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#endif /*AB_CONFIG_TRACE*/
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}
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ab_Env_EndMethod(ev)
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return outTracer;
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}
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