gecko-dev/xpcom/base/nsILoggingService.idl

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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* The contents of this file are subject to the Netscape Public
* License Version 1.1 (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 Netscape are
* Copyright (C) 1998 Netscape Communications Corporation. All
* Rights Reserved.
*
* Contributor(s):
*/
/**
* LOGGING SERVICE
*
* See notes at the top of nslog.h for C++ usage.
*/
////////////////////////////////////////////////////////////////////////////////
%{C++
#include "prprf.h"
#include "prinrval.h"
#include <stdio.h>
%}
#include "nsISupports.idl"
typedef unsigned long PRIntervalTime;
interface nsILog;
////////////////////////////////////////////////////////////////////////////////
[scriptable, uuid(28efb190-b114-11d3-93b6-00104ba0fd40)]
interface nsILogEventSink : nsISupports
{
readonly attribute string destinationName;
void print(in nsILog log, in string msg);
void flush(in nsILog log);
};
[ptr] native FILE(FILE);
interface nsIFileLogEventSink : nsILogEventSink
{
/**
* @param filePath - a native path to a log file,
* or if "1", stdout,
* or if "2", stderr.
*/
void init(in string filePath);
[noscript] void initFromFILE(in string name, in FILE filePtr);
};
%{C++
#define NS_FILELOGEVENTSINK_CID \
{ /* 0ebdebe0-b14a-11d3-93b6-00104ba0fd40 */ \
0x0ebdebe0, \
0xb14a, \
0x11d3, \
{0x93, 0xb6, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
}
#define NS_FILELOGEVENTSINK_CONTRACTID "@mozilla.org/file-log-event-sink;1"
#define NS_FILELOGEVENTSINK_CLASSNAME "File Log Event Sink"
%}
////////////////////////////////////////////////////////////////////////////////
[scriptable, uuid(399d2370-b114-11d3-93b6-00104ba0fd40)]
interface nsILoggingService : nsISupports
{
nsILog getLog(in string name);
attribute unsigned long defaultControlFlags;
attribute nsILogEventSink defaultLogEventSink;
void describeLogs(in nsILog output);
};
%{C++
#define NS_LOGGINGSERVICE_CID \
{ /* 4f290320-b11c-11d3-93b6-00104ba0fd40 */ \
0x4f290320, \
0xb11c, \
0x11d3, \
{0x93, 0xb6, 0x00, 0x10, 0x4b, 0xa0, 0xfd, 0x40} \
}
#define NS_LOGGINGSERVICE_CONTRACTID "@mozilla.org/logging-service;1"
#define NS_LOGGINGSERVICE_CLASSNAME "Logging Service"
%}
////////////////////////////////////////////////////////////////////////////////
[scriptable, uuid(3cddf0a0-b114-11d3-93b6-00104ba0fd40)]
interface nsILog : nsISupports
{
readonly attribute string name;
////////////////////////////////////////////////////////////////////////////
// Printing Routines
boolean enabled();
void print(in wstring message);
void flush();
void increaseIndent();
void decreaseIndent();
readonly attribute unsigned long indentLevel;
void describe(in nsILog outLog);
////////////////////////////////////////////////////////////////////////////
// Control Routines
const unsigned long DEFAULT_DISABLED = 0 << 0;
const unsigned long DEFAULT_ENABLED = 1 << 1;
const unsigned long PRINT_THREAD_ID = 1 << 2;
const unsigned long PRINT_LOG_NAME = 1 << 3;
attribute unsigned long controlFlags;
attribute nsILogEventSink logEventSink;
////////////////////////////////////////////////////////////////////////////
// What's this? Why is this sort of thing in an interface definition?
// The reason is that testing whether a log is enabled from C++
// programs must be efficient so as not to impact the execution
// of time-critical operations, yet still allow for logging them
// in order to detect problems. (We're basically forcing every
// implementation to implement this part.)
%{C++
public:
inline PRBool Test() { return mControlFlags & DEFAULT_ENABLED; }
NS_IMETHOD Printf(const char* format, ...) = 0;
NS_IMETHOD Vprintf(const char* format, va_list args) = 0;
protected:
PRUint32 mControlFlags;
%}
};
////////////////////////////////////////////////////////////////////////////////