1 // Copyright (C) 2007-2008 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
22 // SALOME MPIContainer : implemenation of container based on MPI libraries
23 // File : MPIObject_i.cxx
26 #include "MPIObject_i.hxx"
27 #include "utilities.h"
31 MPIObject_i::MPIObject_i()
33 MPI_Comm_size( MPI_COMM_WORLD, &_nbproc );
34 MPI_Comm_rank( MPI_COMM_WORLD, &_numproc );
38 MPIObject_i::MPIObject_i(int nbproc, int numproc)
45 MPIObject_i::~MPIObject_i()
47 if(_tior) delete _tior;
50 Engines::IORTab* MPIObject_i::tior()
52 Engines::IORTab_var tior = new Engines::IORTab;
53 tior->length(_tior->length());
54 for(unsigned int ip=0;ip<tior->length();ip++)
55 tior[ip] = (*_tior)[ip];
59 void MPIObject_i::tior(const Engines::IORTab& ior)
61 _tior = new Engines::IORTab;
62 _tior->length(ior.length());
63 for(unsigned int ip=0;ip<ior.length();ip++)
64 (*_tior)[ip] = ior[ip];
67 void MPIObject_i::BCastIOR(CORBA::ORB_ptr orb, Engines::MPIObject_ptr pobj, bool amiCont)
71 MPI_Status status; /* status de reception de message MPI */
75 //Allocation du tableau des IOR
76 Engines::IORTab_var iort = new Engines::IORTab;
77 iort->length(_nbproc);
81 // Process 0 recupere les ior de l'object sur les autres process
82 for(ip=1;ip<_nbproc;ip++){
83 err = MPI_Recv(&n,1,MPI_INT,ip,ip,MPI_COMM_WORLD,&status);
85 MESSAGE("[" << _numproc << "] MPI_RECV error");
88 // Allocation de la chaine de longueur n
90 err = MPI_Recv(ior,n,MPI_CHAR,ip,2*ip,MPI_COMM_WORLD,&status);
92 MESSAGE("[" << _numproc << "] MPI_RECV error");
95 iort[ip] = orb->string_to_object(ior);
97 if(CORBA::is_nil(iort[ip]))
98 throw POException(ip,"MPI Component not loaded");
100 // On donne le tableau des ior a l'objet Corba du process 0
102 tior(*(iort._retn()));
104 pobj->tior(*(iort._retn()));
107 // Conversion IOR vers string
108 ior = orb->object_to_string(pobj);
110 // On envoie l'IOR au process 0
111 err = MPI_Send(&n,1,MPI_INT,0,_numproc,MPI_COMM_WORLD);
113 MESSAGE("[" << _numproc << "] MPI_SEND error");
116 err = MPI_Send(ior,n,MPI_CHAR,0,2*_numproc,MPI_COMM_WORLD);
118 MESSAGE("[" << _numproc << "] MPI_SEND error");
121 CORBA::string_free(ior);
127 void MPIObject_i::remoteMPI2Connect(bool high, string service)
130 char port_name[MPI_MAX_PORT_NAME];
131 char port_name_clt[MPI_MAX_PORT_NAME];
133 if( service.size() == 0 ){
134 MESSAGE("[" << _numproc << "] You have to give a service name !");
135 throw POException(_numproc,"You have to give a service name !");
138 if( _srv.find(service) != _srv.end() ){
139 MESSAGE("[" << _numproc << "] service " << service << " already exist !");
140 throw POException(_numproc,"service " + service + " already exist !");
143 _srv[service] = false;
145 MPI_Barrier(MPI_COMM_WORLD);
147 MPI_Errhandler_set(MPI_COMM_WORLD, MPI_ERRORS_RETURN);
149 /* rank 0 try to be a server. If service is already published, try to be a cient */
150 MPI_Open_port(MPI_INFO_NULL, port_name);
151 if ( MPI_Publish_name((char*)service.c_str(), MPI_INFO_NULL, port_name) == MPI_SUCCESS ) {
152 _srv[service] = true;
153 _port_name[service] = port_name;
154 MESSAGE("[" << _numproc << "] service " << service << " available at " << port_name << endl);
156 else if ( MPI_Lookup_name((char*)service.c_str(), MPI_INFO_NULL, port_name_clt) == MPI_SUCCESS ){
157 MESSAGE("[" << _numproc << "] I get the connection with " << service << " at " << port_name_clt << endl);
158 MPI_Close_port( port_name );
161 /* Throw exception */
162 MESSAGE("[" << _numproc << "] Error on connection with " << service << " at " << port_name_clt << endl);
163 throw POException(_numproc,"Error on connection with " + service + " at " + port_name_clt);
168 /* Waiting rank 0 publish name and try to be a client */
169 while ( i != TIMEOUT ) {
171 if ( MPI_Lookup_name((char*)service.c_str(), MPI_INFO_NULL, port_name_clt) == MPI_SUCCESS ){
172 MESSAGE("[" << _numproc << "] I get the connection with " << service << " at " << port_name_clt << endl);
178 /* Throw exception */
179 MESSAGE("[" << _numproc << "] Error on connection with " << service << " at " << port_name_clt << endl);
180 throw POException(_numproc,"Error on connection with " + service + " at " + port_name_clt);
183 MPI_Errhandler_set(MPI_COMM_WORLD, MPI_ERRORS_ARE_FATAL);
185 /* If rank 0 is server, all processes call MPI_Comm_accept */
186 /* If rank 0 is not server, all processes call MPI_Comm_connect */
187 int srv = (int)_srv[service];
188 MPI_Bcast(&srv,1,MPI_INT,0,MPI_COMM_WORLD);
189 _srv[service] = (bool)srv;
191 MPI_Comm_accept( port_name, MPI_INFO_NULL, 0, MPI_COMM_WORLD, &(_icom[service]) );
193 MPI_Comm_connect(port_name_clt, MPI_INFO_NULL, 0, MPI_COMM_WORLD, &(_icom[service]) );
195 /* create global communicator */
196 MPI_Intercomm_merge(_icom[service],high,&(_gcom[service]));
198 /* only rank 0 can be server for unpublish name */
199 if(_numproc != 0) _srv[service] = false;
203 void MPIObject_i::remoteMPI2Disconnect(std::string service)
206 if( service.size() == 0 ){
207 MESSAGE("[" << _numproc << "] You have to give a service name !");
208 throw POException(_numproc,"You have to give a service name !");
211 if( _srv.find(service) == _srv.end() ){
212 MESSAGE("[" << _numproc << "] service " << service << " don't exist !");
213 throw POException(_numproc,"service " + service + " don't exist !");
216 MPI_Comm_disconnect( &(_gcom[service]) );
217 if ( _srv[service] ) {
219 char port_name[MPI_MAX_PORT_NAME];
220 strcpy(port_name,_port_name[service].c_str());
222 MPI_Unpublish_name((char*)service.c_str(), MPI_INFO_NULL, port_name);
223 MESSAGE("[" << _numproc << "] " << service << ": close port " << _port_name[service] << endl);
224 MPI_Close_port( port_name );
225 _port_name.erase(service);
228 _gcom.erase(service);
229 _icom.erase(service);