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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 :
20 :
21 : #include "log_module.hxx"
22 : #include "log_services.hxx"
23 : #include "logrecord.hxx"
24 : #include "loggerconfig.hxx"
25 :
26 : #include <com/sun/star/logging/XLogger.hpp>
27 : #include <com/sun/star/logging/LogLevel.hpp>
28 : #include <com/sun/star/uno/XComponentContext.hpp>
29 : #include <com/sun/star/lang/XServiceInfo.hpp>
30 : #include <com/sun/star/logging/XLoggerPool.hpp>
31 :
32 : #include <boost/bind.hpp>
33 : #include <cppuhelper/basemutex.hxx>
34 : #include <cppuhelper/interfacecontainer.hxx>
35 : #include <cppuhelper/implbase2.hxx>
36 : #include <cppuhelper/supportsservice.hxx>
37 : #include <cppuhelper/weakref.hxx>
38 : #include <map>
39 :
40 :
41 : namespace logging
42 : {
43 :
44 : using ::com::sun::star::logging::XLogger;
45 : using ::com::sun::star::uno::Reference;
46 : using ::com::sun::star::uno::XComponentContext;
47 : using ::com::sun::star::lang::XServiceInfo;
48 : using ::com::sun::star::uno::RuntimeException;
49 : using ::com::sun::star::uno::Sequence;
50 : using ::com::sun::star::uno::XInterface;
51 : using ::com::sun::star::uno::UNO_QUERY_THROW;
52 : using ::com::sun::star::uno::Any;
53 : using ::com::sun::star::uno::Exception;
54 : using ::com::sun::star::uno::WeakReference;
55 : using ::com::sun::star::logging::XLogHandler;
56 : using ::com::sun::star::logging::XLoggerPool;
57 : using ::com::sun::star::logging::LogRecord;
58 :
59 : namespace LogLevel = ::com::sun::star::logging::LogLevel;
60 :
61 : typedef ::cppu::WeakImplHelper2 < XLogger
62 : , XServiceInfo
63 : > EventLogger_Base;
64 : class EventLogger :public ::cppu::BaseMutex
65 : ,public EventLogger_Base
66 : {
67 : private:
68 : ::cppu::OInterfaceContainerHelper m_aHandlers;
69 : oslInterlockedCount m_nEventNumber;
70 :
71 : // <attributes>
72 : sal_Int32 m_nLogLevel;
73 : OUString m_sName;
74 : // </attributes>
75 :
76 : public:
77 : EventLogger( const Reference< XComponentContext >& _rxContext, const OUString& _rName );
78 :
79 : // XServiceInfo
80 : virtual OUString SAL_CALL getImplementationName() throw(RuntimeException, std::exception) SAL_OVERRIDE;
81 : virtual sal_Bool SAL_CALL supportsService( const OUString& _rServiceName ) throw(RuntimeException, std::exception) SAL_OVERRIDE;
82 : virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() throw(RuntimeException, std::exception) SAL_OVERRIDE;
83 :
84 : // XLogger
85 : virtual OUString SAL_CALL getName() throw (RuntimeException, std::exception) SAL_OVERRIDE;
86 : virtual ::sal_Int32 SAL_CALL getLevel() throw (RuntimeException, std::exception) SAL_OVERRIDE;
87 : virtual void SAL_CALL setLevel( ::sal_Int32 _level ) throw (RuntimeException, std::exception) SAL_OVERRIDE;
88 : virtual void SAL_CALL addLogHandler( const Reference< XLogHandler >& LogHandler ) throw (RuntimeException, std::exception) SAL_OVERRIDE;
89 : virtual void SAL_CALL removeLogHandler( const Reference< XLogHandler >& LogHandler ) throw (RuntimeException, std::exception) SAL_OVERRIDE;
90 : virtual sal_Bool SAL_CALL isLoggable( ::sal_Int32 _nLevel ) throw (RuntimeException, std::exception) SAL_OVERRIDE;
91 : virtual void SAL_CALL log( ::sal_Int32 Level, const OUString& Message ) throw (RuntimeException, std::exception) SAL_OVERRIDE;
92 : virtual void SAL_CALL logp( ::sal_Int32 Level, const OUString& SourceClass, const OUString& SourceMethod, const OUString& Message ) throw (RuntimeException, std::exception) SAL_OVERRIDE;
93 :
94 : protected:
95 : virtual ~EventLogger();
96 :
97 : private:
98 : /** logs the given log record
99 : */
100 : void impl_ts_logEvent_nothrow( const LogRecord& _rRecord );
101 :
102 : /** non-threadsafe impl-version of isLoggable
103 : */
104 : bool impl_nts_isLoggable_nothrow( ::sal_Int32 _nLevel );
105 : };
106 :
107 : typedef ::cppu::WeakImplHelper2 < XLoggerPool
108 : , XServiceInfo
109 : > LoggerPool_Base;
110 : /** administrates a pool of XLogger instances, where a logger is keyed by its name,
111 : and subsequent requests for a logger with the same name return the same instance.
112 : */
113 24 : class LoggerPool : public LoggerPool_Base
114 : {
115 : private:
116 : typedef ::std::map< OUString, WeakReference< XLogger > > ImplPool;
117 :
118 : private:
119 : ::osl::Mutex m_aMutex;
120 : Reference<XComponentContext> m_xContext;
121 : ImplPool m_aImpl;
122 :
123 : public:
124 : LoggerPool( const Reference< XComponentContext >& _rxContext );
125 :
126 : // XServiceInfo
127 : virtual OUString SAL_CALL getImplementationName() throw(RuntimeException, std::exception) SAL_OVERRIDE;
128 : virtual sal_Bool SAL_CALL supportsService( const OUString& _rServiceName ) throw(RuntimeException, std::exception) SAL_OVERRIDE;
129 : virtual Sequence< OUString > SAL_CALL getSupportedServiceNames() throw(RuntimeException, std::exception) SAL_OVERRIDE;
130 :
131 : // helper for factories
132 : static Sequence< OUString > getSupportedServiceNames_static();
133 : static OUString getImplementationName_static();
134 : static OUString getSingletonName_static();
135 : static Reference< XInterface > Create( const Reference< XComponentContext >& _rxContext );
136 :
137 : // XLoggerPool
138 : virtual Reference< XLogger > SAL_CALL getNamedLogger( const OUString& Name ) throw (RuntimeException, std::exception) SAL_OVERRIDE;
139 : virtual Reference< XLogger > SAL_CALL getDefaultLogger( ) throw (RuntimeException, std::exception) SAL_OVERRIDE;
140 : };
141 :
142 16 : EventLogger::EventLogger( const Reference< XComponentContext >& _rxContext, const OUString& _rName )
143 : :m_aHandlers( m_aMutex )
144 : ,m_nEventNumber( 0 )
145 : ,m_nLogLevel( LogLevel::OFF )
146 16 : ,m_sName( _rName )
147 : {
148 16 : osl_atomic_increment( &m_refCount );
149 : {
150 16 : initializeLoggerFromConfiguration( _rxContext, this );
151 : }
152 16 : osl_atomic_decrement( &m_refCount );
153 16 : }
154 :
155 2 : EventLogger::~EventLogger()
156 : {
157 2 : }
158 :
159 44267 : bool EventLogger::impl_nts_isLoggable_nothrow( ::sal_Int32 _nLevel )
160 : {
161 44267 : if ( _nLevel < m_nLogLevel )
162 44267 : return false;
163 :
164 0 : if ( !m_aHandlers.getLength() )
165 0 : return false;
166 :
167 0 : return true;
168 : }
169 :
170 0 : void EventLogger::impl_ts_logEvent_nothrow( const LogRecord& _rRecord )
171 : {
172 0 : ::osl::MutexGuard aGuard( m_aMutex );
173 :
174 0 : if ( !impl_nts_isLoggable_nothrow( _rRecord.Level ) )
175 0 : return;
176 :
177 : m_aHandlers.forEach< XLogHandler >(
178 0 : ::boost::bind( &XLogHandler::publish, _1, ::boost::cref( _rRecord ) ) );
179 : m_aHandlers.forEach< XLogHandler >(
180 0 : ::boost::bind( &XLogHandler::flush, _1 ) );
181 : }
182 :
183 32 : OUString SAL_CALL EventLogger::getName() throw (RuntimeException, std::exception)
184 : {
185 32 : return m_sName;
186 : }
187 :
188 0 : ::sal_Int32 SAL_CALL EventLogger::getLevel() throw (RuntimeException, std::exception)
189 : {
190 0 : ::osl::MutexGuard aGuard( m_aMutex );
191 0 : return m_nLogLevel;
192 : }
193 :
194 16 : void SAL_CALL EventLogger::setLevel( ::sal_Int32 _level ) throw (RuntimeException, std::exception)
195 : {
196 16 : ::osl::MutexGuard aGuard( m_aMutex );
197 16 : m_nLogLevel = _level;
198 16 : }
199 :
200 16 : void SAL_CALL EventLogger::addLogHandler( const Reference< XLogHandler >& _rxLogHandler ) throw (RuntimeException, std::exception)
201 : {
202 16 : if ( _rxLogHandler.is() )
203 16 : m_aHandlers.addInterface( _rxLogHandler );
204 16 : }
205 :
206 0 : void SAL_CALL EventLogger::removeLogHandler( const Reference< XLogHandler >& _rxLogHandler ) throw (RuntimeException, std::exception)
207 : {
208 0 : if ( _rxLogHandler.is() )
209 0 : m_aHandlers.removeInterface( _rxLogHandler );
210 0 : }
211 :
212 44267 : sal_Bool SAL_CALL EventLogger::isLoggable( ::sal_Int32 _nLevel ) throw (RuntimeException, std::exception)
213 : {
214 44267 : ::osl::MutexGuard aGuard( m_aMutex );
215 44267 : return impl_nts_isLoggable_nothrow( _nLevel );
216 : }
217 :
218 0 : void SAL_CALL EventLogger::log( ::sal_Int32 _nLevel, const OUString& _rMessage ) throw (RuntimeException, std::exception)
219 : {
220 : impl_ts_logEvent_nothrow( createLogRecord(
221 : m_sName,
222 : _rMessage,
223 : _nLevel,
224 0 : osl_atomic_increment( &m_nEventNumber )
225 0 : ) );
226 0 : }
227 :
228 0 : void SAL_CALL EventLogger::logp( ::sal_Int32 _nLevel, const OUString& _rSourceClass, const OUString& _rSourceMethod, const OUString& _rMessage ) throw (RuntimeException, std::exception)
229 : {
230 : impl_ts_logEvent_nothrow( createLogRecord(
231 : m_sName,
232 : _rSourceClass,
233 : _rSourceMethod,
234 : _rMessage,
235 : _nLevel,
236 0 : osl_atomic_increment( &m_nEventNumber )
237 0 : ) );
238 0 : }
239 :
240 0 : OUString SAL_CALL EventLogger::getImplementationName() throw(RuntimeException, std::exception)
241 : {
242 0 : return OUString( "com.sun.star.comp.extensions.EventLogger" );
243 : }
244 :
245 0 : sal_Bool EventLogger::supportsService( const OUString& _rServiceName ) throw(RuntimeException, std::exception)
246 : {
247 0 : return cppu::supportsService(this, _rServiceName);
248 : }
249 :
250 0 : Sequence< OUString > SAL_CALL EventLogger::getSupportedServiceNames() throw(RuntimeException, std::exception)
251 : {
252 0 : Sequence< OUString > aServiceNames(1);
253 0 : aServiceNames[0] = "com.sun.star.logging.Logger";
254 0 : return aServiceNames;
255 : }
256 :
257 13 : LoggerPool::LoggerPool( const Reference< XComponentContext >& _rxContext )
258 13 : :m_xContext( _rxContext )
259 : {
260 13 : }
261 :
262 0 : OUString SAL_CALL LoggerPool::getImplementationName() throw(RuntimeException, std::exception)
263 : {
264 0 : return getImplementationName_static();
265 : }
266 :
267 0 : sal_Bool SAL_CALL LoggerPool::supportsService( const OUString& _rServiceName ) throw(RuntimeException, std::exception)
268 : {
269 0 : return cppu::supportsService(this, _rServiceName);
270 : }
271 :
272 0 : Sequence< OUString > SAL_CALL LoggerPool::getSupportedServiceNames() throw(RuntimeException, std::exception)
273 : {
274 0 : return getSupportedServiceNames_static();
275 : }
276 :
277 13 : OUString SAL_CALL LoggerPool::getImplementationName_static()
278 : {
279 13 : return OUString( "com.sun.star.comp.extensions.LoggerPool" );
280 : }
281 :
282 13 : Sequence< OUString > SAL_CALL LoggerPool::getSupportedServiceNames_static()
283 : {
284 13 : Sequence< OUString > aServiceNames(1);
285 13 : aServiceNames[0] = getSingletonName_static();
286 13 : return aServiceNames;
287 : }
288 :
289 26 : OUString LoggerPool::getSingletonName_static()
290 : {
291 26 : return OUString( "com.sun.star.logging.LoggerPool" );
292 : }
293 :
294 13 : Reference< XInterface > SAL_CALL LoggerPool::Create( const Reference< XComponentContext >& _rxContext )
295 : {
296 13 : return *( new LoggerPool( _rxContext ) );
297 : }
298 :
299 16 : Reference< XLogger > SAL_CALL LoggerPool::getNamedLogger( const OUString& _rName ) throw (RuntimeException, std::exception)
300 : {
301 16 : ::osl::MutexGuard aGuard( m_aMutex );
302 :
303 16 : WeakReference< XLogger >& rLogger( m_aImpl[ _rName ] );
304 16 : Reference< XLogger > xLogger( rLogger );
305 16 : if ( !xLogger.is() )
306 : {
307 : // never requested before, or already dead
308 16 : xLogger = new EventLogger( m_xContext, _rName );
309 16 : rLogger = xLogger;
310 : }
311 :
312 16 : return xLogger;
313 : }
314 :
315 0 : Reference< XLogger > SAL_CALL LoggerPool::getDefaultLogger( ) throw (RuntimeException, std::exception)
316 : {
317 0 : return getNamedLogger( OUString( "org.openoffice.logging.DefaultLogger" ) );
318 : }
319 :
320 40 : void createRegistryInfo_LoggerPool()
321 : {
322 40 : static OSingletonRegistration< LoggerPool > aAutoRegistration;
323 40 : }
324 :
325 39 : } // namespace logging
326 :
327 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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