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 #ifndef __SALOMESDS_DATASCOPEERVER_HXX__
22 #define __SALOMESDS_DATASCOPEERVER_HXX__
24 #include "SALOMEconfig.h"
25 #include CORBA_SERVER_HEADER(SALOME_SDS)
27 #include "SALOMESDS_RequestSwitcher.hxx"
28 #include "SALOMESDS_RefCountServ.hxx"
29 #include "SALOMESDS_AutoRefCountPtr.hxx"
30 #include "SALOMESDS_BasicDataServer.hxx"
31 #include "SALOMESDS_Auto.hxx"
32 #include "SALOMESDS_Defines.hxx"
33 #include "SALOME_CPythonHelper.hxx"
41 class SALOME_NamingService_Container_Abstract;
45 class SALOMESDS_EXPORT DataScopeKiller : public POA_SALOME::DataScopeKiller
48 DataScopeKiller(CORBA::ORB_ptr orb):_orb(CORBA::ORB::_duplicate(orb)) { }
54 class DataScopeServerTransaction;
57 * Servant activated by a specific POA (single thread) having itself its specific POA_manager.
58 * This class is able to hold/active the default POA_manager shared by other POA than this.
60 class SALOMESDS_EXPORT RequestSwitcher : public RequestSwitcherBase, public virtual POA_SALOME::RequestSwitcher
63 RequestSwitcher(CORBA::ORB_ptr orb, DataScopeServerTransaction *ds);
64 SALOME::StringVec *listVars();
65 SALOME::ByteVec *fetchSerializedContent(const char *varName);
66 void fetchAndGetAccessOfVar(const char *varName, CORBA::String_out access, SALOME::ByteVec_out data);
68 //! handle on its creator to give access to services when _poa_manager_under_control is in hold mode.
69 DataScopeServerTransaction *_ds;
73 class PickelizedPyObjServer;
75 class SALOMESDS_EXPORT DataScopeServerBase : public virtual POA_SALOME::DataScopeServerBase, public POAHolder
78 DataScopeServerBase(const SALOME_CPythonHelper *pyHelper, CORBA::ORB_ptr orb, SALOME::DataScopeKiller_var killer, const std::string& scopeName, SALOME_NamingService_Container_Abstract *ns);
79 DataScopeServerBase(const DataScopeServerBase& other);
80 public: // remote access methods
83 SALOME::StringVec *listVars();
84 CORBA::Boolean existVar(const char *varName);
85 SALOME::BasicDataServer_ptr retrieveVarInternal(const char *varName);
86 void deleteVar(const char *varName);
87 CORBA::Boolean shutdownIfNotHostedByDSM(SALOME::DataScopeKiller_out killer);
88 SALOME::ByteVec *fetchSerializedContent(const char *varName);
89 SALOME::SeqOfByteVec *getAllKeysOfVarWithTypeDict(const char *varName);
90 SALOME::ByteVec *getValueOfVarWithTypeDict(const char *varName, const SALOME::ByteVec& constKey);
91 void takeANap(CORBA::Double napDurationInSec);
93 ~DataScopeServerBase();
94 BasicDataServer *retrieveVarInternal2(const std::string& varName);
95 void registerToSalomePiDict() const;
96 void setPOA(PortableServer::POA_var poa);
97 void registerInNS(SALOME::DataScopeServerBase_ptr ptr);
98 PyObject *getGlobals() const { return _pyHelper->getGlobals(); }
99 PyObject *getLocals() const { return _pyHelper->getLocals(); }
100 PyObject *getPickler() const { return _pyHelper->getPickler(); }
101 PortableServer::POA_var getPOA() const { return _poa; }
102 CORBA::ORB_var getORB() { return _orb; }
103 std::string getScopeNameCpp() const { return _name; }
104 static std::string BuildTmpVarNameFrom(const std::string& varName);
106 std::vector< std::string> getAllVarNames() const;
107 bool isExistingVar(const std::string& varName) const;
108 void checkNotAlreadyExistingVar(const std::string& varName) const;
109 void checkExistingVar(const std::string& varName) const;
110 PickelizedPyObjServer *checkVarExistingAndDict(const std::string& varName);
112 void moveStatusOfVarFromRdWrToRdOnly(const std::string& varName);
113 void moveStatusOfVarFromRdOnlyToRdWr(const std::string& varName);
114 void moveStatusOfVarFromRdExtOrRdExtInitToRdExtInit(const std::string& varName);
115 void moveStatusOfVarFromRdExtOrRdExtInitToRdExt(const std::string& varName);
117 std::list< std::pair< SALOME::BasicDataServer_var, BasicDataServer * > >::const_iterator retrieveVarInternal3(const std::string& varName) const;
118 std::list< std::pair< SALOME::BasicDataServer_var, BasicDataServer * > >::iterator retrieveVarInternal4(const std::string& varName);
120 SALOME_NamingService_Container_Abstract *_ns = nullptr;
121 const SALOME_CPythonHelper *_pyHelper = nullptr;
122 PortableServer::POA_var _poa;
125 std::list< std::pair< SALOME::BasicDataServer_var, BasicDataServer * > > _vars;
126 SALOME::DataScopeKiller_var _killer;
127 static std::size_t COUNTER;
130 class SALOMESDS_EXPORT DataScopeServer : public DataScopeServerBase, public virtual POA_SALOME::DataScopeServer
133 DataScopeServer(const SALOME_CPythonHelper *pyHelper, CORBA::ORB_ptr orb, SALOME::DataScopeKiller_var killer, const std::string& scopeName, SALOME_NamingService_Container_Abstract *ns);
134 DataScopeServer(const DataScopeServer& other);
135 SALOME::BasicDataServer_ptr retrieveVar(const char *varName) { return retrieveVarInternal(varName); }
136 SALOME::PickelizedPyObjRdOnlyServer_ptr createRdOnlyVar(const char *varName, const SALOME::ByteVec& constValue);
137 SALOME::PickelizedPyObjRdExtServer_ptr createRdExtVar(const char *varName, const SALOME::ByteVec& constValue);
138 SALOME::PickelizedPyObjRdWrServer_ptr createRdWrVar(const char *typeName, const char *varName);
142 class SALOMESDS_EXPORT DataScopeServerTransaction : public DataScopeServerBase, public virtual POA_SALOME::DataScopeServerTransaction
144 public://not remotely callable
145 DataScopeServerTransaction(const SALOME_CPythonHelper *pyHelper, CORBA::ORB_ptr orb, SALOME::DataScopeKiller_var killer, const std::string& scopeName, SALOME_NamingService_Container_Abstract *ns);
146 DataScopeServerTransaction(const DataScopeServerTransaction& other);
147 ~DataScopeServerTransaction();
148 void createRdOnlyVarInternal(const std::string& varName, const SALOME::ByteVec& constValue);
149 void createRdExtVarInternal(const std::string& varName, const SALOME::ByteVec& constValue);
150 void createRdExtVarFreeStyleInternal(const std::string& varName, const SALOME::ByteVec& constValue, std::string&& compareFuncContent, SALOME::AutoPyRef&& compareFunc);
151 void createRdExtInitVarInternal(const std::string& varName, const SALOME::ByteVec& constValue);
152 void createRdWrVarInternal(const std::string& varName, const SALOME::ByteVec& constValue);
153 PortableServer::POA_var getPOA4KeyWaiter() const { return _poa_for_key_waiter; }
154 void addWaitKey(KeyWaiter *kw);
155 void pingKey(PyObject *keyObj);
156 void notifyKey(const std::string& varName, PyObject *keyObj, PyObject *valueObj);
157 SALOME::ByteVec *waitForMonoThrRev(SALOME::KeyWaiter_ptr kw);
158 SALOME::ByteVec *waitForAndKill(SALOME::KeyWaiter_ptr kw);
159 public://remotely callable
160 char *getAccessOfVar(const char *varName);
161 void fetchAndGetAccessOfVar(const char *varName, CORBA::String_out access, SALOME::ByteVec_out data);
162 SALOME::Transaction_ptr createRdOnlyVarTransac(const char *varName, const SALOME::ByteVec& constValue);
163 SALOME::Transaction_ptr createRdExtVarTransac(const char *varName, const SALOME::ByteVec& constValue);
164 SALOME::Transaction_ptr createRdExtVarFreeStyleTransac(const char *varName, const SALOME::ByteVec& constValue, const char *compareFuncContent);
165 SALOME::Transaction_ptr createRdExtInitVarTransac(const char *varName, const SALOME::ByteVec& constValue);
166 SALOME::Transaction_ptr createRdWrVarTransac(const char *varName, const SALOME::ByteVec& constValue);
167 SALOME::Transaction_ptr addKeyValueInVarHard(const char *varName, const SALOME::ByteVec& key, const SALOME::ByteVec& value);
168 SALOME::Transaction_ptr addKeyValueInVarErrorIfAlreadyExisting(const char *varName, const SALOME::ByteVec& key, const SALOME::ByteVec& value);
169 SALOME::TransactionMultiKeyAddSession_ptr addMultiKeyValueSession(const char *varName);
170 SALOME::Transaction_ptr removeKeyInVarErrorIfNotAlreadyExisting(const char *varName, const SALOME::ByteVec& key);
171 SALOME::TransactionRdWrAccess_ptr createWorkingVarTransac(const char *varName, const SALOME::ByteVec& constValue);
172 SALOME::Transaction_ptr killVarTransac(const char *varName);
173 SALOME::KeyWaiter_ptr waitForKeyInVar(const char *varName, const SALOME::ByteVec& keyVal);
174 SALOME::KeyWaiter_ptr waitForKeyInVarAndKillIt(const char *varName, const SALOME::ByteVec& keyVal, SALOME::Transaction_out transac);
175 void atomicApply(const SALOME::ListOfTransaction& transactions);
176 SALOME::RequestSwitcher_ptr getRequestSwitcher();
178 PortableServer::POA_var _poa_for_key_waiter;
179 std::list< KeyWaiter * > _waiting_keys;
180 AutoServantPtr<RequestSwitcher> _rs;