1 // Copyright (C) 2007-2021 CEA/DEN, EDF R&D, OPEN CASCADE
3 // This library is free software; you can redistribute it and/or
4 // modify it under the terms of the GNU Lesser General Public
5 // License as published by the Free Software Foundation; either
6 // version 2.1 of the License, or (at your option) any later version.
8 // This library is distributed in the hope that it will be useful,
9 // but WITHOUT ANY WARRANTY; without even the implied warranty of
10 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 // Lesser General Public License for more details.
13 // You should have received a copy of the GNU Lesser General Public
14 // License along with this library; if not, write to the Free Software
15 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
17 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
19 // Author : Anthony GEAY (EDF R&D)
21 #include "SALOMESDS_DataServerManager.hxx"
22 #include "SALOMESDS_Exception.hxx"
24 #include "SALOME_ContainerManager.hxx"
25 #include "SALOME_NamingService.hxx"
30 using namespace SALOMESDS;
32 const char DataServerManager::NAME_IN_NS[]="/DataServerManager";
34 const char DataServerManager::DFT_SCOPE_NAME_IN_NS[]="Default";
36 SALOME::StringVec *RequestSwitcherDSM::listScopes()
38 return _dsm->listScopes();
41 SALOME::DataScopeServerTransaction_ptr RequestSwitcherDSM::giveADataScopeTransactionCalled(const char *scopeName, CORBA::Boolean& isCreated)
43 return _dsm->giveADataScopeTransactionCalled(scopeName,isCreated);
46 DataServerManager::DataServerManager(const SALOME_CPythonHelper *pyHelper, CORBA::ORB_ptr orb, PortableServer::POA_ptr poa):_orb(CORBA::ORB::_duplicate(orb))
48 DataScopeServer *dftScope(new DataScopeServer(pyHelper,orb,SALOME::DataScopeKiller::_nil(),DFT_SCOPE_NAME_IN_NS));//_remove_ref will be call by DataScopeServer::shutdownIfNotHostedByDSM
49 PortableServer::POAManager_var pman(poa->the_POAManager());
50 CORBA::PolicyList policies;
52 PortableServer::ThreadPolicy_var threadPol(poa->create_thread_policy(PortableServer::SINGLE_THREAD_MODEL));
53 policies[0]=PortableServer::ThreadPolicy::_duplicate(threadPol);
54 _poa=poa->create_POA("SingleThPOA4SDS",pman,policies);
56 // activate this to be ready to be usable from NS.
57 PortableServer::ObjectId_var id(_poa->activate_object(this));
58 CORBA::Object_var obj(_poa->id_to_reference(id));
59 SALOME::DataServerManager_var obj2(SALOME::DataServerManager::_narrow(obj));
60 // publish Data server manager in NS
61 SALOME_NamingService ns(orb);
62 ns.Register(obj2,NAME_IN_NS);
63 // the default DataScopeServer object is the only one hosted by the current process
64 dftScope->setPOA(_poa);
65 obj=dftScope->activate();
66 SALOME::DataScopeServer_var dftScopePtr(SALOME::DataScopeServer::_narrow(obj));
67 dftScope->registerInNS(dftScopePtr);// agy : Very important ! invoke this method BEFORE activation ! Because this method initializes Python !
70 SALOME::StringVec *DataServerManager::listScopes()
72 std::vector<std::string> scopes(listOfScopesCpp());
73 SALOME::StringVec *ret(new SALOME::StringVec);
74 std::size_t sz(scopes.size());
75 ret->length((CORBA::ULong)sz); //!< TODO: size_t to CORBA::ULong
76 for(std::size_t i=0;i<sz;i++)
77 (*ret)[(CORBA::ULong)i]=CORBA::string_dup(scopes[i].c_str()); //!< TODO: size_t to CORBA::ULong
81 SALOME::StringVec *DataServerManager::listAliveAndKickingScopes()
83 std::vector<std::string> scopes(listOfScopesCpp());
84 std::size_t sz(scopes.size());
85 std::vector<std::string> retCpp; retCpp.reserve(sz);
86 for(std::size_t i=0;i<sz;i++)
88 if(isAliveAndKicking(scopes[i].c_str()))
89 retCpp.push_back(scopes[i]);
92 SALOME::StringVec *ret(new SALOME::StringVec);
94 ret->length((CORBA::ULong)sz); //!< TODO: size_t to CORBA::ULong
95 for(std::size_t i=0;i<sz;i++)
96 (*ret)[(CORBA::ULong)i]=CORBA::string_dup(retCpp[i].c_str()); //!< TODO: size_t to CORBA::ULong
100 SALOME::DataScopeServer_ptr DataServerManager::getDefaultScope()
102 SALOME::DataScopeServerBase_var ret(retriveDataScope(DFT_SCOPE_NAME_IN_NS));
103 if(CORBA::is_nil(ret))
104 return SALOME::DataScopeServer::_narrow(ret);
105 SALOME::DataScopeServer_ptr ret2(SALOME::DataScopeServer::_narrow(ret));
106 if(CORBA::is_nil(ret2))
107 throw Exception("DataServerManager::getDefaultScope : exists but has not expected sub type !");
111 CORBA::Boolean DataServerManager::isAliveAndKicking(const char *scopeName)
113 SALOME::DataScopeServerBase_var scopePtr(getScopePtrGivenName(scopeName));
114 return IsAliveAndKicking(scopePtr);
118 typename T::PtrType CreateDataScope(const std::string& scopeName, const std::vector<std::string>& scopes, SALOME_NamingService& ns)
120 int isTransactionInt(T::IsTransaction);
121 if(std::find(scopes.begin(),scopes.end(),scopeName)!=scopes.end())
123 std::ostringstream oss; oss << "DataServerManager::createDataScope : scope name \"" << scopeName << "\" already exists !";
124 throw Exception(oss.str());
127 std::string fullScopeName(DataServerManager::CreateAbsNameInNSFromScopeName(scopeName));
128 std::ostringstream oss; oss << "SALOME_DataScopeServer" << " " << scopeName << " " << isTransactionInt << " ";
129 SALOME_ContainerManager::AddOmninamesParams(oss,&ns);
130 std::string command(oss.str());
131 SALOME_ContainerManager::MakeTheCommandToBeLaunchedASync(command);
132 int status(SALOME_ContainerManager::SystemThreadSafe(command.c_str()));
135 std::ostringstream oss2; oss2 << "CreateDataScope : Fail to launch \"" << command << "\" ! Return code was : " << status << " !";
136 throw Exception(oss2.str());
138 int count(SALOME_ContainerManager::GetTimeOutToLoaunchServer());
139 typename T::VarType ret(T::nil());
140 while (CORBA::is_nil(ret) && count)
142 SALOME_ContainerManager::SleepInSecond(1);
144 CORBA::Object_var obj(ns.Resolve(fullScopeName.c_str()));
147 return T::duplicate(ret);
151 typename T::PtrType GiveADataScopeCalled(const std::string& scopeName, const std::vector<std::string>& scopes, SALOME_NamingService& ns, CORBA::Boolean& isCreated)
153 if(std::find(scopes.begin(),scopes.end(),scopeName)==scopes.end())
156 return CreateDataScope<T>(scopeName,scopes,ns);
160 SALOME::DataScopeServerBase_var ret(SALOMESDS::DataServerManager::GetScopePtrGivenName(scopeName,scopes,ns));
161 if(SALOMESDS::DataServerManager::IsAliveAndKicking(ret))
164 typename T::PtrType ret2(T::narrow(ret));
165 if(CORBA::is_nil(ret))
167 if(CORBA::is_nil(ret2))
169 std::ostringstream oss; oss << "DataServerManager::giveADataScopeCalled : scope \"" << scopeName << "\" exists but with invalid type !";
170 throw Exception(oss.str());
176 std::string fullScopeName(SALOMESDS::DataServerManager::CreateAbsNameInNSFromScopeName(scopeName));
177 ns.Destroy_Name(fullScopeName.c_str());
179 return CreateDataScope<T>(scopeName,scopes,ns);
187 typedef SALOME::DataScopeServer_ptr PtrType;
188 typedef SALOME::DataScopeServer_var VarType;
189 typedef SALOME::DataScopeServer TheType;
190 static const bool IsTransaction=false;
191 static PtrType nil() { return SALOME::DataScopeServer::_nil(); }
192 static PtrType narrow(CORBA::Object_ptr obj) { return SALOME::DataScopeServer::_narrow(obj); }
193 static PtrType duplicate(PtrType obj) { return SALOME::DataScopeServer::_duplicate(obj); }
196 class TransactionFunctor
199 typedef SALOME::DataScopeServerTransaction_ptr PtrType;
200 typedef SALOME::DataScopeServerTransaction_var VarType;
201 typedef SALOME::DataScopeServerTransaction TheType;
202 static const bool IsTransaction=true;
203 static PtrType nil() { return SALOME::DataScopeServerTransaction::_nil(); }
204 static PtrType narrow(CORBA::Object_ptr obj) { return SALOME::DataScopeServerTransaction::_narrow(obj); }
205 static PtrType duplicate(PtrType obj) { return SALOME::DataScopeServerTransaction::_duplicate(obj); }
208 SALOME::DataScopeServer_ptr DataServerManager::createDataScope(const char *scopeName)
210 SALOME_NamingService ns(_orb);
211 return CreateDataScope<NormalFunctor>(scopeName,listOfScopesCpp(),ns);
214 SALOME::DataScopeServer_ptr DataServerManager::giveADataScopeCalled(const char *scopeName, CORBA::Boolean& isCreated)
216 SALOME_NamingService ns(_orb);
217 return GiveADataScopeCalled<NormalFunctor>(scopeName,listOfScopesCpp(),ns,isCreated);
220 SALOME::DataScopeServerTransaction_ptr DataServerManager::createDataScopeTransaction(const char *scopeName)
222 SALOME_NamingService ns(_orb);
223 return CreateDataScope<TransactionFunctor>(scopeName,listOfScopesCpp(),ns);
226 SALOME::DataScopeServerTransaction_ptr DataServerManager::giveADataScopeTransactionCalled(const char *scopeName, CORBA::Boolean& isCreated)
228 SALOME_NamingService ns(_orb);
229 return GiveADataScopeCalled<TransactionFunctor>(scopeName,listOfScopesCpp(),ns,isCreated);
232 SALOME::DataScopeServerBase_ptr DataServerManager::retriveDataScope(const char *scopeName)
234 SALOME::DataScopeServerBase_var ret(getScopePtrGivenName(scopeName));
235 return SALOME::DataScopeServerBase::_duplicate(ret);
238 void DataServerManager::removeDataScope(const char *scopeName)
240 SALOME::DataScopeServerBase_var scs(getScopePtrGivenName(scopeName));
241 SALOME::DataScopeKiller_ptr killer;
242 if(scs->shutdownIfNotHostedByDSM(killer))
244 CORBA::release(killer);
247 void DataServerManager::cleanScopesInNS()
249 SALOME_NamingService ns(_orb);
250 std::vector<std::string> scopes(listOfScopesCpp());
251 for(std::vector<std::string>::const_iterator it=scopes.begin();it!=scopes.end();it++)
253 if(!isAliveAndKicking((*it).c_str()))
255 std::string fullScopeName(SALOMESDS::DataServerManager::CreateAbsNameInNSFromScopeName(*it));
256 ns.Destroy_Name(fullScopeName.c_str());
261 void DataServerManager::shutdownScopes()
263 std::vector<std::string> scopeNames(listOfScopesCpp());
264 for(std::vector<std::string>::const_iterator it=scopeNames.begin();it!=scopeNames.end();it++)
266 SALOME::DataScopeServerBase_var scope(getScopePtrGivenName(*it));
267 SALOME::DataScopeKiller_ptr killer;
268 if(scope->shutdownIfNotHostedByDSM(killer))
270 CORBA::release(killer);
274 std::string DataServerManager::CreateAbsNameInNSFromScopeName(const std::string& scopeName)
276 std::ostringstream oss; oss << NAME_IN_NS << "/" << scopeName;
280 CORBA::Boolean DataServerManager::IsAliveAndKicking(SALOME::DataScopeServerBase_ptr scopePtr)
282 CORBA::Boolean ret(true);
292 std::vector<std::string> DataServerManager::listOfScopesCpp()
294 SALOME_NamingService ns(_orb);
295 ns.Change_Directory(NAME_IN_NS);
296 std::vector<std::string> ret(ns.list_directory());
300 SALOME::DataScopeServerBase_var DataServerManager::GetScopePtrGivenName(const std::string& scopeName, const std::vector<std::string>& scopes, SALOME_NamingService& ns)
302 if(std::find(scopes.begin(),scopes.end(),scopeName)==scopes.end())
304 std::ostringstream oss; oss << "DataServerManager::getScopePtrGivenName : scope name \"" << scopeName << "\" does not exist !";
305 throw Exception(oss.str());
307 std::string fullScopeName(CreateAbsNameInNSFromScopeName(scopeName));
308 CORBA::Object_var obj(ns.Resolve(fullScopeName.c_str()));
309 SALOME::DataScopeServerBase_var ret(SALOME::DataScopeServerBase::_narrow(obj));
313 SALOME::DataScopeServerBase_var DataServerManager::getScopePtrGivenName(const std::string& scopeName)
315 SALOME_NamingService ns(_orb);
316 return GetScopePtrGivenName(scopeName,listOfScopesCpp(),ns);
319 SALOME::RequestSwitcherDSM_ptr DataServerManager::getRequestSwitcher()
323 _rs=new RequestSwitcherDSM(_orb,this);
325 CORBA::Object_var obj(_rs->activate());
326 return SALOME::RequestSwitcherDSM::_narrow(obj);