| # Gaudi Framework, version v21r6 |

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# Service.cpp

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    00001 // $Id: Service.cpp,v 1.35 2008/10/23 15:57:37 marcocle Exp $
    00002
    00003 // Include Files
    00004 #include "GaudiKernel/Service.h"
    00005 #include "GaudiKernel/PropertyMgr.h"
    00006 #include "GaudiKernel/IMessageSvc.h"
    00007 #include "GaudiKernel/MsgStream.h"
    00008 #include "GaudiKernel/ISvcLocator.h"
    00009 #include "GaudiKernel/ISvcManager.h"
    00010 #include "GaudiKernel/IAuditorSvc.h"
    00011 #include "GaudiKernel/IJobOptionsSvc.h"
    00012 #include "GaudiKernel/GaudiException.h"
    00013 #include "GaudiKernel/ServiceLocatorHelper.h"
    00014 #include "GaudiKernel/ThreadGaudi.h"
    00015 #include "GaudiKernel/Guards.h"
    00016
    00017 using std::string;
    00018
    00019 //--- IInterface::release
    00020 // Specialized implementation because the default one is not enough.
    00021 unsigned long Service::release()   {
    00022   // Avoid to decrement 0
    00023   const unsigned long count = (m_refCount) ? --m_refCount : m_refCount;
    00024   if( count == 0) {
    00025     if (m_svcManager!=0) {
    00026       m_svcManager->removeService(this).ignore();
    00027     }
    00028     delete this;
    00029   }
    00030   return count;
    00031 }
    00032
    00033 // IService::sysInitialize
    00034 StatusCode Service::sysInitialize() {
    00035   StatusCode sc;
    00036
    00037   try {
    00038     m_targetState = Gaudi::StateMachine::INITIALIZED;
    00039     Gaudi::Guards::AuditorGuard guard(this,
    00040                                       // check if we want to audit the initialize
    00041                                       (m_auditorInitialize) ? auditorSvc().get() : 0,
    00042                                       IAuditor::Initialize);
    00043     sc = initialize(); // This should change the state to Gaudi::StateMachine::CONFIGURED
    00044     if (sc.isSuccess())
    00045       m_state = m_targetState;
    00046     return sc;
    00047   }
    00048   catch ( const GaudiException& Exception )  {
    00049     fatal() << "in sysInitialize(): exception with tag=" << Exception.tag()
    00050         << " is caught" << endmsg;
    00051     error() << Exception  << endmsg;
    00052     //    Stat stat( chronoSvc() , Exception.tag() );
    00053   }
    00054   catch( const std::exception& Exception ) {
    00055     fatal() << "in sysInitialize(): standard std::exception is caught" << endmsg;
    00056     error() << Exception.what()  << endmsg;
    00057     //    Stat stat( chronoSvc() , "*std::exception*" );
    00058   }
    00059   catch(...) {
    00060     fatal() << "in sysInitialize(): UNKNOWN Exception is caught" << endmsg;
    00061     //    Stat stat( chronoSvc() , "*UNKNOWN Exception*" ) ;
    00062   }
    00063
    00064   return StatusCode::FAILURE;
    00065 }
    00066
    00067
    00068 //--- IService::initialize
    00069 StatusCode Service::initialize() {
    00070   // Set the Algorithm's properties
    00071   StatusCode sc = setProperties();
    00072
    00073   debug() <<  "Service base class initialized successfully" << endmsg;
    00074   m_state = Gaudi::StateMachine::ChangeState(Gaudi::StateMachine::CONFIGURE,m_state);
    00075   return sc ;
    00076 }
    00077
    00078 // IService::sysStart
    00079 StatusCode Service::sysStart() {
    00080   StatusCode sc;
    00081
    00082   try {
    00083     m_targetState = Gaudi::StateMachine::ChangeState(Gaudi::StateMachine::START,m_state);
    00084     Gaudi::Guards::AuditorGuard guard(this,
    00085                                       // check if we want to audit the initialize
    00086                                       (m_auditorStart) ? auditorSvc().get() : 0,
    00087                                       IAuditor::Start);
    00088     sc = start();
    00089     if (sc.isSuccess())
    00090       m_state = m_targetState;
    00091     return sc;
    00092   }
    00093   catch ( const GaudiException& Exception )  {
    00094     fatal() << "in sysStart(): exception with tag=" << Exception.tag()
    00095         << " is caught" << endmsg;
    00096     error() << Exception  << endmsg;
    00097     //    Stat stat( chronoSvc() , Exception.tag() );
    00098   }
    00099   catch( const std::exception& Exception ) {
    00100     fatal() << "in sysStart(): standard std::exception is caught" << endmsg;
    00101     fatal() << Exception.what()  << endmsg;
    00102     //    Stat stat( chronoSvc() , "*std::exception*" );
    00103   }
    00104   catch(...) {
    00105     fatal() << "in sysStart(): UNKNOWN Exception is caught" << endmsg;
    00106     //    Stat stat( chronoSvc() , "*UNKNOWN Exception*" ) ;
    00107   }
    00108
    00109   return StatusCode::FAILURE;
    00110 }
    00111
    00112 // IService::sysStop
    00113 StatusCode Service::sysStop() {
    00114   StatusCode sc;
    00115
    00116   try {
    00117     m_targetState = Gaudi::StateMachine::ChangeState(Gaudi::StateMachine::STOP,m_state);
    00118     Gaudi::Guards::AuditorGuard guard(this,
    00119                                       // check if we want to audit the initialize
    00120                                       (m_auditorStop) ? auditorSvc().get() : 0,
    00121                                       IAuditor::Stop);
    00122     sc = stop();
    00123     if (sc.isSuccess())
    00124       m_state = m_targetState;
    00125     return sc;
    00126   }
    00127   catch ( const GaudiException& Exception )  {
    00128     fatal() << "in sysStop(): exception with tag=" << Exception.tag()
    00129         << " is caught" << endmsg;
    00130     error() << Exception  << endmsg;
    00131     //    Stat stat( chronoSvc() , Exception.tag() );
    00132   }
    00133   catch( const std::exception& Exception ) {
    00134     fatal() << "in sysStop(): standard std::exception is caught" << endmsg;
    00135     error() << Exception.what()  << endmsg;
    00136     //    Stat stat( chronoSvc() , "*std::exception*" );
    00137   }
    00138   catch(...) {
    00139     fatal() << "in sysStop(): UNKNOWN Exception is caught" << endmsg;
    00140     //    Stat stat( chronoSvc() , "*UNKNOWN Exception*" ) ;
    00141   }
    00142
    00143   return StatusCode::FAILURE;
    00144 }
    00145
    00146
    00147 //--- IService::stop
    00148 StatusCode Service::stop() {
    00149   // stub implementation
    00150   return StatusCode::SUCCESS;
    00151 }
    00152
    00153 //--- IService::start
    00154 StatusCode Service::start() {
    00155   // stub implementation
    00156   return StatusCode::SUCCESS;
    00157 }
    00158
    00159 //--- IService::sysFinalize
    00160 StatusCode Service::sysFinalize() {
    00161
    00162   StatusCode sc(StatusCode::FAILURE);
    00163
    00164   try {
    00165     m_targetState = Gaudi::StateMachine::OFFLINE;
    00166     Gaudi::Guards::AuditorGuard guard(this,
    00167                                       // check if we want to audit the initialize
    00168                                       (m_auditorFinalize) ? auditorSvc().get() : 0,
    00169                                       IAuditor::Finalize);
    00170     sc = finalize();
    00171     if (sc.isSuccess())
    00172       m_state = m_targetState;
    00173   }
    00174   catch( const GaudiException& Exception ) {
    00175     fatal() << " Exception with tag=" << Exception.tag()
    00176         << " is caught " << endmsg;
    00177     error() << Exception  << endmsg;
    00178     //    Stat stat( chronoSvc() , Exception.tag() ) ;
    00179   }
    00180   catch( const std::exception& Exception ) {
    00181     fatal() << " Standard std::exception is caught " << endmsg;
    00182     error() << Exception.what()  << endmsg;
    00183     //    Stat stat( chronoSvc() , "*std::exception*" ) ;
    00184   }
    00185   catch( ... ) {
    00186     fatal() << "UNKNOWN Exception is caught " << endmsg;
    00187     //    Stat stat( chronoSvc() , "*UNKNOWN Exception*" ) ;
    00188   }
    00189
    00190   m_pAuditorSvc = 0;
    00191   return sc;
    00192 }
    00193
    00194 //--- IService::finalize
    00195 StatusCode Service::finalize() {
    00196   //MsgStream log(msgSvc(),name());
    00197   //m_state = Gaudi::StateMachine::ChangeState(Gaudi::StateMachine::TERMINATE,m_state);
    00198   return StatusCode::SUCCESS;
    00199 }
    00200
    00201 //--- IService::sysReinitialize
    00202 StatusCode Service::sysReinitialize() {
    00203
    00204   StatusCode sc;
    00205
    00206   // Check that the current status is the correct one.
    00207   if ( Gaudi::StateMachine::INITIALIZED != FSMState() ) {
    00208     MsgStream log ( msgSvc() , name() );
    00209     error()
    00210         << "sysReinitialize(): cannot reinitialize service not initialized"
    00211         << endmsg;
    00212     return StatusCode::FAILURE;
    00213   }
    00214
    00215   try {
    00216
    00217     Gaudi::Guards::AuditorGuard guard(this,
    00218                                       // check if we want to audit the initialize
    00219                                       (m_auditorReinitialize) ? auditorSvc().get() : 0,
    00220                                       IAuditor::ReInitialize);
    00221     sc = reinitialize();
    00222     return sc;
    00223   }
    00224   catch( const GaudiException& Exception ) {
    00225     MsgStream log ( msgSvc() , name() + ".sysReinitialize()" );
    00226     fatal() << " Exception with tag=" << Exception.tag()
    00227         << " is caught " << endmsg;
    00228     error() << Exception  << endmsg;
    00229     //    Stat stat( chronoSvc() , Exception.tag() ) ;
    00230   }
    00231   catch( const std::exception& Exception ) {
    00232     MsgStream log ( msgSvc() , name() + ".sysReinitialize()" );
    00233     fatal() << " Standard std::exception is caught " << endmsg;
    00234     error() << Exception.what()  << endmsg;
    00235     //    Stat stat( chronoSvc() , "*std::exception*" ) ;
    00236   }
    00237   catch( ... ) {
    00238     MsgStream log ( msgSvc() , name() + ".sysReinitialize()" );
    00239     fatal() << "UNKNOWN Exception is caught " << endmsg;
    00240     //    Stat stat( chronoSvc() , "*UNKNOWN Exception*" ) ;
    00241   }
    00242   return StatusCode::FAILURE ;
    00243
    00244 }
    00245
    00246 //--- IService::sysRestart
    00247 StatusCode Service::sysRestart() {
    00248
    00249   StatusCode sc;
    00250
    00251   // Check that the current status is the correct one.
    00252   if ( Gaudi::StateMachine::RUNNING != FSMState() ) {
    00253     MsgStream log ( msgSvc() , name() );
    00254     error()
    00255         << "sysRestart(): cannot restart service in state " << FSMState()
    00256         << " -- must be RUNNING "
    00257         << endmsg;
    00258     return StatusCode::FAILURE;
    00259   }
    00260
    00261   try {
    00262
    00263     Gaudi::Guards::AuditorGuard guard(this,
    00264                                       // check if we want to audit the initialize
    00265                                       (m_auditorRestart) ? auditorSvc().get() : 0,
    00266                                       IAuditor::ReStart);
    00267     sc = restart();
    00268     return sc;
    00269   }
    00270   catch( const GaudiException& Exception ) {
    00271     fatal() << " Exception with tag=" << Exception.tag()
    00272         << " is caught " << endmsg;
    00273     error() << Exception  << endmsg;
    00274     //    Stat stat( chronoSvc() , Exception.tag() ) ;
    00275   }
    00276   catch( const std::exception& Exception ) {
    00277     fatal() << " Standard std::exception is caught " << endmsg;
    00278     error() << Exception.what()  << endmsg;
    00279     //    Stat stat( chronoSvc() , "*std::exception*" ) ;
    00280   }
    00281   catch( ... ) {
    00282     fatal() << "UNKNOWN Exception is caught " << endmsg;
    00283     //    Stat stat( chronoSvc() , "*UNKNOWN Exception*" ) ;
    00284   }
    00285   return StatusCode::FAILURE ;
    00286
    00287 }
    00288
    00289 //--- IService::reinitialize
    00290 StatusCode Service::reinitialize() {
    00291   /* @TODO
    00292    * MCl 2008-10-23: the implementation of reinitialize as finalize+initialize
    00293    *                 is causing too many problems
    00294    *
    00295   // Default implementation is finalize+initialize
    00296   StatusCode sc = finalize();
    00297   if (sc.isFailure()) {
    00298     error() << "reinitialize(): cannot be finalized" << endmsg;
    00299     return sc;
    00300   }
    00301   sc = initialize();
    00302   if (sc.isFailure()) {
    00303     error() << "reinitialize(): cannot be initialized" << endmsg;
    00304     return sc;
    00305   }
    00306   */
    00307   return StatusCode::SUCCESS;
    00308 }
    00309
    00310 //--- IService::restart
    00311 StatusCode Service::restart() {
    00312   // Default implementation is stop+start
    00313   StatusCode sc = stop();
    00314   if (sc.isFailure()) {
    00315     error() << "restart(): cannot be stopped" << endmsg;
    00316     return sc;
    00317   }
    00318   sc = start();
    00319   if (sc.isFailure()) {
    00320     error() << "restart(): cannot be started" << endmsg;
    00321     return sc;
    00322   }
    00323   return StatusCode::SUCCESS;
    00324 }
    00325
    00326 //--- IService::getServiceName
    00327 const std::string& Service::name()   const {
    00328   return m_name;
    00329 }
    00330
    00331 //--- Retrieve pointer to service locator
    00332 SmartIF<ISvcLocator>& Service::serviceLocator() const {
    00333   return m_svcLocator;
    00334 }
    00335
    00336 // IProperty implementation
    00337 // Delegate to the Property manager
    00338 StatusCode Service::setProperty(const Property& p) {
    00339   return m_propertyMgr->setProperty(p);
    00340 }
    00341
    00342 StatusCode Service::setProperty(const std::string& s) {
    00343   return m_propertyMgr->setProperty(s);
    00344 }
    00345
    00346 StatusCode Service::setProperty(const std::string& n, const std::string& v) {
    00347   return m_propertyMgr->setProperty(n,v);
    00348 }
    00349
    00350 StatusCode Service::getProperty(Property* p) const {
    00351   return m_propertyMgr->getProperty(p);
    00352 }
    00353
    00354 const Property& Service::getProperty(const std::string& n) const {
    00355   return m_propertyMgr->getProperty(n);
    00356 }
    00357
    00358 StatusCode Service::getProperty(const std::string& n, std::string& v ) const {
    00359   return m_propertyMgr->getProperty(n,v);
    00360 }
    00361
    00362 const std::vector<Property*>& Service::getProperties() const {
    00363   return m_propertyMgr->getProperties();
    00364 }
    00365
    00366 // Use the job options service to set declared properties
    00367 StatusCode Service::setProperties() {
    00368   const bool CREATEIF(true);
    00369   SmartIF<IJobOptionsSvc> jos(serviceLocator()->service("JobOptionsSvc", CREATEIF));
    00370   if( !jos.isValid() ) {
    00371     throw GaudiException("Service [JobOptionsSvc] not found", name(), StatusCode::FAILURE);
    00372   }
    00373   // set first generic Properties
    00374   StatusCode sc = jos->setMyProperties( getGaudiThreadGenericName(name()), this );
    00375   if( sc.isFailure() ) return sc;
    00376
    00377   // set specific Properties
    00378   if (isGaudiThreaded(name())) {
    00379     if (jos->setMyProperties( name(), this ).isFailure()) {
    00380       return StatusCode::FAILURE;
    00381     }
    00382   }
    00383   return StatusCode::SUCCESS;
    00384 }
    00385
    00386
    00387 //--- Local methods
    00388 // Standard Constructor
    00389 Service::Service(const std::string& name, ISvcLocator* svcloc) {
    00390   m_name       = name;
    00391   m_svcLocator = svcloc;
    00392   m_state      = Gaudi::StateMachine::OFFLINE;
    00393   m_targetState = Gaudi::StateMachine::OFFLINE;
    00394   m_propertyMgr = new PropertyMgr();
    00395   m_outputLevel = MSG::NIL;
    00396   // Declare common Service properties with their defaults
    00397   if ( (name != "MessageSvc") && msgSvc().isValid() )  {
    00398     // In genconf a service is instantiated without the ApplicationMgr
    00399     m_outputLevel = msgSvc()->outputLevel();
    00400   }
    00401   declareProperty( "OutputLevel", m_outputLevel);
    00402   m_outputLevel.declareUpdateHandler(&Service::initOutputLevel, this);
    00403
    00404   // Get the default setting for service auditing from the AppMgr
    00405   declareProperty( "AuditServices", m_auditInit=true );
    00406
    00407   bool audit(false);
    00408   SmartIF<IProperty> appMgr(serviceLocator()->service("ApplicationMgr"));
    00409   if (appMgr.isValid()) {
    00410     const Property& prop = appMgr->getProperty("AuditServices");
    00411     if (m_name != "IncidentSvc") {
    00412       setProperty(prop).ignore();
    00413       audit = m_auditInit.value();
    00414     } else {
    00415       audit = false;
    00416     }
    00417   }
    00418
    00419   declareProperty( "AuditInitialize"   , m_auditorInitialize   = audit );
    00420   declareProperty( "AuditStart"        , m_auditorStart        = audit );
    00421   declareProperty( "AuditStop"         , m_auditorStop         = audit );
    00422   declareProperty( "AuditFinalize"     , m_auditorFinalize     = audit );
    00423   declareProperty( "AuditReInitialize" , m_auditorReinitialize = audit );
    00424   declareProperty( "AuditReStart"      , m_auditorRestart      = audit );
    00425 }
    00426
    00427 // Callback to set output level
    00428 void Service::initOutputLevel(Property& /*prop*/) {
    00429   if ( (name() != "MessageSvc") && msgSvc().isValid() ) {
    00430     msgSvc()->setOutputLevel( name(), m_outputLevel );
    00431   }
    00432 }
    00433
    00434 // Standard Destructor
    00435 Service::~Service() {
    00436   delete m_propertyMgr;
    00437 }
    00438
    00439 SmartIF<IAuditorSvc>& Service::auditorSvc() const {
    00440   if ( !m_pAuditorSvc.isValid() ) {
    00441     m_pAuditorSvc = serviceLocator()->service("AuditorSvc");
    00442     if( !m_pAuditorSvc.isValid() ) {
    00443       throw GaudiException("Service [AuditorSvc] not found", name(), StatusCode::FAILURE);
    00444     }
    00445   }
    00446   return m_pAuditorSvc;
    00447 }
    00448
    00449 void
    00450 Service::setServiceManager(ISvcManager *ism) {
    00451   m_svcManager = ism;
    00452 }