| # Gaudi Framework, version v21r7p1 |

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# PoolDbCacheSvc.cpp

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    00001 // $Id: PoolDbCacheSvc.cpp,v 1.21 2008/10/27 16:41:33 marcocle Exp $
    00002 //====================================================================
    00003 //      PoolDbCacheSvc implementation
    00004 //--------------------------------------------------------------------
    00005 //      Author     : M.Frank
    00006 //
    00007 //====================================================================
    00008
    00009 // FIXME: missing in CORAL
    00010 #include <algorithm>
    00011
    00012 #include "GaudiPoolDb/PoolDbCacheSvc.h"
    00013 #include "GaudiKernel/ClassID.h"
    00014 #include "GaudiKernel/MsgStream.h"
    00015 #include "GaudiKernel/strcasecmp.h"
    00016 #include "GaudiKernel/SvcFactory.h"
    00017 #include "StorageSvc/DbPrint.h"
    00018 #include "StorageSvc/DbOption.h"
    00019 #include "StorageSvc/IDbOptionProxy.h"
    00020 #include "StorageSvc/DbInstanceCount.h"
    00021 #include "GaudiUtils/IFileCatalog.h"
    00022 #include "GaudiUtils/IIODataManager.h"
    00023
    00024 #include "Reflex/Reflex.h"
    00025
    00026 namespace GaudiPoolDb  {  bool patchStreamers(MsgStream& log);     }
    00027
    00028 static pool::DbInstanceCount::Counter* s_count =
    00029   pool::DbInstanceCount::getCounter(typeid(PoolDbCacheSvc));
    00030
    00031 DECLARE_SERVICE_FACTORY(PoolDbCacheSvc);
    00032
    00041 class PoolDbMsgReporter : public coral::MsgReporter  {
    00042 protected:
    00044   IMessageSvc* m_svc;
    00045   int m_lvl;
    00046 public:
    00048   PoolDbMsgReporter(IMessageSvc* s, int l) : coral::MsgReporter(), m_svc(s), m_lvl(l)  {}
    00050   virtual ~PoolDbMsgReporter()               { }
    00052   virtual void report(int lvl, const std::string& src, const std::string& msg) {
    00053     if ( lvl >= m_lvl ) m_svc->reportMessage(src,lvl,msg);
    00054   }
    00055 };
    00056
    00058 PoolDbCacheSvc::PoolDbCacheSvc(const std::string& nam, ISvcLocator* svc)
    00059   : base_class(nam, svc), m_callbackHandler(0)
    00060 {
    00061   s_count->increment();
    00062   m_callbackHandler = this;
    00063   declareProperty("Dlls",               m_dlls);
    00064   declareProperty("DomainOpts",         m_domainOpts);
    00065   declareProperty("DatabaseOpts",       m_databaseOpts);
    00066   declareProperty("DatabaseOnOpenOpts", m_databaseOpenOpts);
    00067   declareProperty("ContainerOpts",      m_containerOpts);
    00068   declareProperty("ContainerOnOpenOpts",m_containerOpenOpts);
    00069 }
    00070
    00072 PoolDbCacheSvc::~PoolDbCacheSvc()
    00073 {
    00074   s_count->decrement();
    00075 }
    00076
    00078 StatusCode PoolDbCacheSvc::initialize()  {
    00079   StatusCode status = Service::initialize();
    00080   MsgStream log(msgSvc(), name());
    00081   if ( !status.isSuccess() ) {
    00082     log << MSG::ERROR << "Failed to initialize Service base class."
    00083         << endmsg;
    00084     return status;
    00085   }
    00086   coral::MessageStream::installMsgReporter(new PoolDbMsgReporter(msgSvc(),m_outputLevel.value()));
    00087   coral::MessageStream::setMsgVerbosity(static_cast<coral::MsgLevel>(m_outputLevel.value()));
    00088
    00089   log << MSG::INFO << "POOL output threshold:" << m_outputLevel
    00090       << endmsg;
    00091   status = loadLibraries();
    00092   if ( !status.isSuccess() ) {
    00093     log << MSG::ERROR << "Failed to load POOL libraries."
    00094         << endmsg;
    00095     return status;
    00096   }
    00097   session().open(0);
    00098   // All dictionaries should be loaded. Let's patch the streamers
    00099   // for ContainedObject, DataObject and SmartRefbase
    00100   if ( !GaudiPoolDb::patchStreamers(log) )  {
    00101     log << MSG::ERROR << "Failed to install customized IO!" << endmsg;
    00102     return StatusCode::FAILURE;
    00103   }
    00104   return status;
    00105 }
    00106
    00108 StatusCode PoolDbCacheSvc::finalize()   {
    00109   MsgStream log(msgSvc(), name());
    00110   session().close();
    00112   std::vector<System::ImageHandle>::iterator i;
    00113   for(i=m_sharedHdls.begin(); i != m_sharedHdls.end(); ++i)  {
    00114     if ( *i ) {
    00115       // System::unloadDynamicLib(*i);
    00116     }
    00117   }
    00118   m_sharedHdls.clear();
    00119   coral::MessageStream::installMsgReporter(0);
    00120   return Service::finalize();
    00121 }
    00122
    00124 pool::DbStatus
    00125 PoolDbCacheSvc::setCallbackOptions( pool::IDbOptionProxy* pObj,
    00126                                     const std::vector<std::string>& v,
    00127                                     const std::string& obj)
    00128 {
    00129   std::string opt_nam, opt_val, opt_typ;
    00130   typedef std::vector<std::string> StringV;
    00131   for (StringV::const_iterator i=v.begin(); i!=v.end(); ++i)  {
    00132     const std::string& id = *i;
    00133     if ( id.length() > obj.length() )   {
    00134       if ( obj == id.substr(0, obj.length()) )  {
    00135         std::string n = id.substr(obj.length()+1);
    00136         size_t idx = n.find("=");
    00137         size_t idx2 = n.find("TYP=");
    00138         if ( idx != std::string::npos && idx2 != std::string::npos )  {
    00139           opt_nam = n.substr(0, idx);
    00140           opt_val = n.substr(idx+1, idx2-2-idx);
    00141           opt_typ = n.substr(idx2+4,1);
    00142           std::stringstream s(opt_val);
    00143           pool::DbOption opt(opt_nam);
    00144           float fval;
    00145           int   ival;
    00146           long long int lval;
    00147           switch(::toupper(opt_typ[0])) {
    00148             case 'I':
    00149               s >> ival;
    00150               opt._setValue(ival);
    00151               pObj->setOption(opt);
    00152               break;
    00153             case 'L':
    00154               s >> lval;
    00155               opt._setValue(lval);
    00156               pObj->setOption(opt);
    00157               break;
    00158             case 'F':
    00159               s >> fval;
    00160               opt._setValue(fval);
    00161               pObj->setOption(opt);
    00162               break;
    00163             case 'S':
    00164               opt._setValue(opt_val.c_str());
    00165               pObj->setOption(opt);
    00166               break;
    00167             default:
    00168               break;
    00169           }
    00170         }
    00171       }
    00172     }
    00173   }
    00174   return pool::Success;
    00175 }
    00176
    00178 pool::DbStatus
    00179 PoolDbCacheSvc::setMyOptions( pool::IDbOptionProxy* pObj,
    00180                               pool::DbOptionCallback::OptionType typ,
    00181                               const std::string& name)
    00182 {
    00183   switch (typ)  {
    00184     case pool::DbOptionCallback::_DOMAIN_OPT:
    00185       return setCallbackOptions(pObj, m_domainOpts, name);
    00186     case pool::DbOptionCallback::_DATABASE_OPT:
    00187       return setCallbackOptions(pObj, m_databaseOpts, name);
    00188     case pool::DbOptionCallback::_DATABASE_ONOPEN:
    00189       return setCallbackOptions(pObj, m_databaseOpenOpts, name);
    00190     case pool::DbOptionCallback::_CONTAINER_OPT:
    00191       return setCallbackOptions(pObj, m_containerOpts, name);
    00192     case pool::DbOptionCallback::_CONTAINER_ONOPEN:
    00193       return setCallbackOptions(pObj, m_containerOpenOpts, name);
    00194     default:
    00195       break;
    00196   }
    00197   return pool::Error;
    00198 }
    00199
    00200 // Load all required libraries
    00201 StatusCode PoolDbCacheSvc::loadLibraries()  {
    00202   StatusCode status = StatusCode::SUCCESS;
    00203   if ( !m_dlls.empty() )  {
    00204     std::vector<std::string>::const_iterator i;
    00205     for(i=m_dlls.begin(); i != m_dlls.end(); ++i)  {
    00206       StatusCode iret = loadDictionary(*i);
    00207       if ( !iret.isSuccess() )  {
    00208         status = iret;
    00209       }
    00210     }
    00211   }
    00212   return status;
    00213 }
    00214
    00216 StatusCode PoolDbCacheSvc::loadDictionary(const std::string& nam) {
    00217   System::ImageHandle hdl = 0;
    00218   StatusCode status = System::loadDynamicLib(nam, &hdl);
    00219   if ( !status.isSuccess() )  {
    00220     MsgStream log(msgSvc(), name());
    00221     log << MSG::ERROR << System::getLastErrorString() << endmsg
    00222         << "Failed to load POOL implementation library:"
    00223         << nam << endmsg;
    00224     return status;
    00225   }
    00226   m_sharedHdls.push_back(hdl);
    00227   return status;
    00228 }