1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include "logrecord.hxx"
#include "loggerconfig.hxx"
#include <com/sun/star/logging/XLogger.hpp>
#include <com/sun/star/logging/LogLevel.hpp>
#include <com/sun/star/uno/XComponentContext.hpp>
#include <com/sun/star/lang/XServiceInfo.hpp>
#include <com/sun/star/logging/XLoggerPool.hpp>
#include <cppuhelper/basemutex.hxx>
#include <comphelper/interfacecontainer2.hxx>
#include <cppuhelper/implbase.hxx>
#include <cppuhelper/supportsservice.hxx>
#include <cppuhelper/weakref.hxx>
#include <rtl/ref.hxx>
#include <map>
namespace logging
{
using ::com::sun::star::logging::XLogger;
using ::com::sun::star::uno::Reference;
using ::com::sun::star::uno::XComponentContext;
using ::com::sun::star::lang::XServiceInfo;
using ::com::sun::star::uno::Sequence;
using ::com::sun::star::uno::XInterface;
using ::com::sun::star::uno::WeakReference;
using ::com::sun::star::logging::XLogHandler;
using ::com::sun::star::logging::LogRecord;
namespace {
class EventLogger : public cppu::BaseMutex,
public cppu::WeakImplHelper<css::logging::XLogger>
{
private:
comphelper::OInterfaceContainerHelper2 m_aHandlers;
oslInterlockedCount m_nEventNumber;
// <attributes>
sal_Int32 m_nLogLevel;
OUString m_sName;
// </attributes>
public:
EventLogger( const Reference< XComponentContext >& _rxContext, const OUString& _rName );
// XLogger
virtual OUString SAL_CALL getName() override;
virtual ::sal_Int32 SAL_CALL getLevel() override;
virtual void SAL_CALL setLevel( ::sal_Int32 _level ) override;
virtual void SAL_CALL addLogHandler( const Reference< XLogHandler >& LogHandler ) override;
virtual void SAL_CALL removeLogHandler( const Reference< XLogHandler >& LogHandler ) override;
virtual sal_Bool SAL_CALL isLoggable( ::sal_Int32 _nLevel ) override;
virtual void SAL_CALL log( ::sal_Int32 Level, const OUString& Message ) override;
virtual void SAL_CALL logp( ::sal_Int32 Level, const OUString& SourceClass, const OUString& SourceMethod, const OUString& Message ) override;
protected:
virtual ~EventLogger() override;
private:
/** logs the given log record
*/
void impl_ts_logEvent_nothrow( const LogRecord& _rRecord );
/** non-threadsafe impl-version of isLoggable
*/
bool impl_nts_isLoggable_nothrow( ::sal_Int32 _nLevel );
};
/** administrates a pool of XLogger instances, where a logger is keyed by its name,
and subsequent requests for a logger with the same name return the same instance.
*/
class LoggerPool : public cppu::WeakImplHelper<css::logging::XLoggerPool, XServiceInfo>
{
private:
::osl::Mutex m_aMutex;
Reference<XComponentContext> m_xContext;
std::map< OUString, WeakReference<XLogger> > m_aLoggerMap;
public:
explicit LoggerPool( const Reference< XComponentContext >& _rxContext );
// XServiceInfo
virtual OUString SAL_CALL getImplementationName() override;
virtual sal_Bool SAL_CALL supportsService( const OUString& _rServiceName ) override;
virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() override;
// XLoggerPool
virtual Reference< XLogger > SAL_CALL getNamedLogger( const OUString& Name ) override;
virtual Reference< XLogger > SAL_CALL getDefaultLogger( ) override;
};
}
EventLogger::EventLogger( const Reference< XComponentContext >& _rxContext, const OUString& _rName )
:m_aHandlers( m_aMutex )
,m_nEventNumber( 0 )
,m_nLogLevel( css::logging::LogLevel::OFF )
,m_sName( _rName )
{
osl_atomic_increment( &m_refCount );
{
initializeLoggerFromConfiguration( _rxContext, this );
}
osl_atomic_decrement( &m_refCount );
}
EventLogger::~EventLogger()
{
}
bool EventLogger::impl_nts_isLoggable_nothrow( ::sal_Int32 _nLevel )
{
if ( _nLevel < m_nLogLevel )
return false;
if ( !m_aHandlers.getLength() )
return false;
return true;
}
void EventLogger::impl_ts_logEvent_nothrow( const LogRecord& _rRecord )
{
::osl::MutexGuard aGuard( m_aMutex );
if ( !impl_nts_isLoggable_nothrow( _rRecord.Level ) )
return;
m_aHandlers.forEach< XLogHandler >(
[&_rRecord] (Reference<XLogHandler> const& rxListener) { rxListener->publish(_rRecord); } );
m_aHandlers.forEach< XLogHandler >(
[] (Reference<XLogHandler> const& rxListener) { rxListener->flush(); } );
}
OUString SAL_CALL EventLogger::getName()
{
return m_sName;
}
::sal_Int32 SAL_CALL EventLogger::getLevel()
{
::osl::MutexGuard aGuard( m_aMutex );
return m_nLogLevel;
}
void SAL_CALL EventLogger::setLevel( ::sal_Int32 _level )
{
::osl::MutexGuard aGuard( m_aMutex );
m_nLogLevel = _level;
}
void SAL_CALL EventLogger::addLogHandler( const Reference< XLogHandler >& _rxLogHandler )
{
if ( _rxLogHandler.is() )
m_aHandlers.addInterface( _rxLogHandler );
}
void SAL_CALL EventLogger::removeLogHandler( const Reference< XLogHandler >& _rxLogHandler )
{
if ( _rxLogHandler.is() )
m_aHandlers.removeInterface( _rxLogHandler );
}
sal_Bool SAL_CALL EventLogger::isLoggable( ::sal_Int32 _nLevel )
{
::osl::MutexGuard aGuard( m_aMutex );
return impl_nts_isLoggable_nothrow( _nLevel );
}
void SAL_CALL EventLogger::log( ::sal_Int32 _nLevel, const OUString& _rMessage )
{
impl_ts_logEvent_nothrow( createLogRecord(
m_sName,
_rMessage,
_nLevel,
osl_atomic_increment( &m_nEventNumber )
) );
}
void SAL_CALL EventLogger::logp( ::sal_Int32 _nLevel, const OUString& _rSourceClass, const OUString& _rSourceMethod, const OUString& _rMessage )
{
impl_ts_logEvent_nothrow( createLogRecord(
m_sName,
_rSourceClass,
_rSourceMethod,
_rMessage,
_nLevel,
osl_atomic_increment( &m_nEventNumber )
) );
}
LoggerPool::LoggerPool( const Reference< XComponentContext >& _rxContext )
:m_xContext( _rxContext )
{
}
OUString SAL_CALL LoggerPool::getImplementationName()
{
return "com.sun.star.comp.extensions.LoggerPool";
}
sal_Bool SAL_CALL LoggerPool::supportsService( const OUString& _rServiceName )
{
return cppu::supportsService(this, _rServiceName);
}
Sequence< OUString > SAL_CALL LoggerPool::getSupportedServiceNames()
{
return { "com.sun.star.logging.LoggerPool" };
}
Reference< XLogger > SAL_CALL LoggerPool::getNamedLogger( const OUString& _rName )
{
::osl::MutexGuard aGuard( m_aMutex );
WeakReference< XLogger >& rLogger( m_aLoggerMap[ _rName ] );
Reference< XLogger > xLogger( rLogger );
if ( !xLogger.is() )
{
// never requested before, or already dead
xLogger = new EventLogger( m_xContext, _rName );
rLogger = xLogger;
}
return xLogger;
}
Reference< XLogger > SAL_CALL LoggerPool::getDefaultLogger( )
{
return getNamedLogger( "org.openoffice.logging.DefaultLogger" );
}
} // namespace logging
namespace {
struct Instance {
explicit Instance(
css::uno::Reference<css::uno::XComponentContext> const & context):
instance(static_cast<cppu::OWeakObject *>(new logging::LoggerPool(context)))
{}
rtl::Reference<css::uno::XInterface> instance;
};
struct Singleton:
public rtl::StaticWithArg<
Instance, css::uno::Reference<css::uno::XComponentContext>, Singleton>
{};
}
extern "C" SAL_DLLPUBLIC_EXPORT css::uno::XInterface *
com_sun_star_comp_extensions_LoggerPool(<--- The function 'com_sun_star_comp_extensions_LoggerPool' is never used.
css::uno::XComponentContext *context,
css::uno::Sequence<css::uno::Any> const &)
{
return cppu::acquire(static_cast<cppu::OWeakObject *>(
Singleton::get(context).instance.get()));
}
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
|