pjs/xpcom/ds/nsITimelineService.idl

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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* ***** BEGIN LICENSE BLOCK *****
* Version: NPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Netscape Public License
* Version 1.1 (the "License"); you may not use this file except in
* compliance with the License. You may obtain a copy of the License at
* http://www.mozilla.org/NPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is mozilla.org code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the NPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the NPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#include "nsISupports.idl"
%{C++
#ifdef MOZ_TIMELINE
%}
/**
* nsITimelineService is used to constuct a timeline of program
* execution. The timeline is output to a file, either stderr or the
* value of the environment variable NS_TIMELINE_LOG_FILE. On the
* Mac, the timeline is output to the file named "timeline.txt". The
* reason it's different on the Mac is that the Mac environment
* initialization code happens after timeline initialization code.
*
* If NS_TIMELINE_INIT_TIME is set in the environment, that will be
* used as the time of startup; otherwise the current time when mark()
* is first called will be used.
*
* mark() is used to put marks on the timeline.
*
* indent() and outdent() are used to format the timeline a bit to
* show nesting. This doesn't produce perfect results in the face of
* asychrony and multiple threads.
*
* enter() and leave() are convenience functions that add marks to the
* timeline and do indentation.
*
* startTimer() and stopTimer() control named stop watches. If
* startTimer() is called more than once, an equal number of
* stopTimer() calls are needed to actually stop the timer. This
* makes these timers slightly useful in a threaded environment.
*
* markTimer() puts a mark on the timeline containing the total for
* the named timer.
*
* Don't use nsITimelineService in C++ code; use the NS_TIMELINE
* macros instead. nsITimelineService exists so that JavaScript code
* can mark the timeline.
*/
[scriptable, uuid(93276790-3daf-11d5-b67d-000064657374)]
interface nsITimelineService : nsISupports
{
/**
* mark()
* Print "<elapsed time>: <text>\n" in the timeline log file.
*/
void mark(in string text);
/**
* causes subsequent marks to be indented for a more readable
* report.
*/
void indent();
/**
* Causes subsequent marks to be outdented.
*/
void outdent();
/**
* enter/leave bracket code with "<text>..." and "...<text>" as
* well as indentation.
*/
void enter(in string text);
void leave(in string text);
void startTimer(in string timerName);
void stopTimer(in string timerName);
void markTimer(in string timerName);
void resetTimer(in string timerName);
};
%{C++
#endif /* MOZ_TIMELINE */
%}
%{C++
#ifdef MOZ_TIMELINE
/*
* These are equivalent to the corresponding nsITimelineService
* methods, and can be called before XPCOM is initialized.
*/
extern "C" NS_COM nsresult NS_TimelineMark(const char *text, ...);
extern "C" NS_COM nsresult NS_TimelineForceMark(const char *text, ...);
extern "C" NS_COM nsresult NS_TimelineStartTimer(const char *timerName);
extern "C" NS_COM nsresult NS_TimelineStopTimer(const char *timerName);
extern "C" NS_COM nsresult NS_TimelineResetTimer(const char *timerName);
extern "C" NS_COM nsresult NS_TimelineMarkTimer(const char *timerName, const char *str=nsnull);
extern "C" NS_COM nsresult NS_TimelineIndent();
extern "C" NS_COM nsresult NS_TimelineOutdent();
extern "C" NS_COM nsresult NS_TimelineEnter(const char *text);
extern "C" NS_COM nsresult NS_TimelineLeave(const char *text);
/*
* Use these macros for the above calls so we can easily compile them
* out.
*/
#define NS_TIMELINE_MARK(text) NS_TimelineMark(text)
#define NS_TIMELINE_MARKV(args) NS_TimelineMark args
#define NS_TIMELINE_INDENT() NS_TimelineIndent()
#define NS_TIMELINE_OUTDENT() NS_TimelineOutdent()
#define NS_TIMELINE_ENTER(text) NS_TimelineEnter(text)
#define NS_TIMELINE_LEAVE(text) NS_TimelineLeave(text)
#define NS_TIMELINE_START_TIMER(timerName) NS_TimelineStartTimer(timerName)
#define NS_TIMELINE_STOP_TIMER(timerName) NS_TimelineStopTimer(timerName)
#define NS_TIMELINE_MARK_TIMER(timerName) NS_TimelineMarkTimer(timerName)
#define NS_TIMELINE_RESET_TIMER(timerName) NS_TimelineResetTimer(timerName)
#define NS_TIMELINE_MARK_TIMER1(timerName, str) NS_TimelineMarkTimer(timerName, str)
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/*
* Helper class to time functions. Use only static strings.
*/
class nsFunctionTimer {
public:
const char *mTimer;
PRBool mMark;
const char *mMarkStr;
nsFunctionTimer(const char *timer, PRBool mark = PR_TRUE, const char *markStr = nsnull)
: mTimer(timer), mMark(mark), mMarkStr(markStr)
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{
NS_TIMELINE_START_TIMER(mTimer);
}
~nsFunctionTimer()
{
NS_TIMELINE_STOP_TIMER(mTimer);
if (mMark)
if (mMarkStr)
NS_TIMELINE_MARK_TIMER1(mTimer, mMarkStr);
else
NS_TIMELINE_MARK_TIMER(mTimer);
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}
};
/*
* NS_TIMELINE_MARK_ macros for various data types. Each of these
* macros replaces "%s" in its "text" argument with a string
* representation of its last argument.
*
* Please feel free to add more NS_TIMELINE_MARK_ macros for
* various data types so that code using NS_TIMELINE is uncluttered.
* Don't forget the empty versions in the #else section below for
* non-timeline builds.
*/
#define NS_TIMELINE_MARK_URI(text, uri) \
{ \
nsCAutoString spec; \
if (uri) { \
uri->GetSpec(spec); \
} \
if (!spec.IsEmpty()) { \
NS_TimelineMark(text, spec.get()); \
} else { \
NS_TimelineMark(text, "??"); \
} \
}
#define NS_TIMELINE_MARK_CHANNEL(text, channel) \
{ \
nsCOMPtr<nsIURI> uri; \
if (channel) { \
channel->GetURI(getter_AddRefs(uri)); \
} \
NS_TIMELINE_MARK_URI(text, uri); \
}
#define NS_TIMELINE_MARK_LOADER(text, loader) \
{ \
nsCOMPtr<nsIRequest> request; \
loader->GetRequest(getter_AddRefs(request)); \
nsCOMPtr<nsIChannel> channel(do_QueryInterface(request)); \
NS_TIMELINE_MARK_CHANNEL(text, channel); \
}
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#define NS_TIMELINE_MARK_FUNCTION(timer) nsFunctionTimer functionTimer(timer)
#define NS_TIMELINE_MARK_FUNCTION1(timer, str) nsFunctionTimer functionTimer(timer, PR_TRUE, str)
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#define NS_TIMELINE_TIME_FUNCTION(timer) nsFunctionTimer functionTimer(timer, PR_FALSE) /* no mark, only time */
#else /* !defined(MOZ_TIMELINE) */
#define NS_TIMELINE_MARK(text)
#define NS_TIMELINE_MARKV(args)
#define NS_TIMELINE_INDENT()
#define NS_TIMELINE_OUTDENT()
#define NS_TIMELINE_START_TIMER(timerName)
#define NS_TIMELINE_STOP_TIMER(timerName)
#define NS_TIMELINE_MARK_TIMER(timerName)
#define NS_TIMELINE_RESET_TIMER(timerName)
#define NS_TIMELINE_MARK_TIMER1(timerName, str)
#define NS_TIMELINE_ENTER(text)
#define NS_TIMELINE_LEAVE(text)
#define NS_TIMELINE_MARK_URI(text, uri)
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#define NS_TIMELINE_MARK_FUNCTION(timer)
#define NS_TIMELINE_TIME_FUNCTION(timer)
#define NS_TIMELINE_MARK_CHANNEL(text, channel)
#define NS_TIMELINE_MARK_LOADER(text, loader);
#endif /* defined(MOZ_TIMELINE) */
%}