[490] | 1 | #include "globalScopeData.hpp" |
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[591] | 2 | #include "xios_spl.hpp" |
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[300] | 3 | #include "cxios.hpp" |
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[342] | 4 | #include "server.hpp" |
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[300] | 5 | #include "type.hpp" |
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| 6 | #include "context.hpp" |
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[352] | 7 | #include "object_template.hpp" |
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[300] | 8 | #include "oasis_cinterface.hpp" |
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| 9 | #include <boost/functional/hash.hpp> |
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| 10 | #include <boost/algorithm/string.hpp> |
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[1328] | 11 | #include "mpi.hpp" |
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[347] | 12 | #include "tracer.hpp" |
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| 13 | #include "timer.hpp" |
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[492] | 14 | #include "event_scheduler.hpp" |
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[1328] | 15 | using namespace ep_lib; |
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[300] | 16 | |
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[335] | 17 | namespace xios |
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[490] | 18 | { |
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[300] | 19 | MPI_Comm CServer::intraComm ; |
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| 20 | list<MPI_Comm> CServer::interComm ; |
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[655] | 21 | std::list<MPI_Comm> CServer::contextInterComms; |
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[300] | 22 | bool CServer::isRoot ; |
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[490] | 23 | int CServer::rank = INVALID_RANK; |
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| 24 | StdOFStream CServer::m_infoStream; |
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[523] | 25 | StdOFStream CServer::m_errorStream; |
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[490] | 26 | map<string,CContext*> CServer::contextList ; |
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[300] | 27 | bool CServer::finished=false ; |
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| 28 | bool CServer::is_MPI_Initialized ; |
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[597] | 29 | CEventScheduler* CServer::eventScheduler = 0; |
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[697] | 30 | |
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[300] | 31 | void CServer::initialize(void) |
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| 32 | { |
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[1328] | 33 | // int initialized ; |
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| 34 | // MPI_Initialized(&initialized) ; |
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| 35 | // if (initialized) is_MPI_Initialized=true ; |
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| 36 | // else is_MPI_Initialized=false ; |
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| 37 | |
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[300] | 38 | // Not using OASIS |
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| 39 | if (!CXios::usingOasis) |
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| 40 | { |
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[490] | 41 | |
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[1328] | 42 | // if (!is_MPI_Initialized) |
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| 43 | // { |
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| 44 | // MPI_Init(NULL, NULL); |
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| 45 | // } |
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[359] | 46 | CTimer::get("XIOS").resume() ; |
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[490] | 47 | |
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| 48 | boost::hash<string> hashString ; |
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| 49 | |
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[300] | 50 | unsigned long hashServer=hashString(CXios::xiosCodeId) ; |
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| 51 | unsigned long* hashAll ; |
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[490] | 52 | |
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[1328] | 53 | // int rank ; |
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[300] | 54 | int size ; |
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| 55 | int myColor ; |
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| 56 | int i,c ; |
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| 57 | MPI_Comm newComm ; |
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[490] | 58 | |
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[300] | 59 | MPI_Comm_size(CXios::globalComm,&size) ; |
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| 60 | MPI_Comm_rank(CXios::globalComm,&rank); |
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| 61 | hashAll=new unsigned long[size] ; |
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[490] | 62 | |
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[300] | 63 | MPI_Allgather(&hashServer,1,MPI_LONG,hashAll,1,MPI_LONG,CXios::globalComm) ; |
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| 64 | |
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| 65 | map<unsigned long, int> colors ; |
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| 66 | map<unsigned long, int> leaders ; |
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| 67 | map<unsigned long, int>::iterator it ; |
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[490] | 68 | |
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[300] | 69 | for(i=0,c=0;i<size;i++) |
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| 70 | { |
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| 71 | if (colors.find(hashAll[i])==colors.end()) |
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| 72 | { |
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| 73 | colors[hashAll[i]]=c ; |
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| 74 | leaders[hashAll[i]]=i ; |
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| 75 | c++ ; |
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| 76 | } |
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| 77 | } |
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[490] | 78 | |
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[300] | 79 | myColor=colors[hashServer] ; |
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[1134] | 80 | MPI_Comm_split(CXios::globalComm,myColor,rank,&intraComm) ; |
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| 81 | |
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[300] | 82 | int serverLeader=leaders[hashServer] ; |
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| 83 | int clientLeader; |
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[490] | 84 | |
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[300] | 85 | serverLeader=leaders[hashServer] ; |
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[1328] | 86 | for(it=leaders.begin();it!=leaders.end();it++) |
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[300] | 87 | { |
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| 88 | if (it->first!=hashServer) |
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| 89 | { |
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| 90 | clientLeader=it->second ; |
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[492] | 91 | int intraCommSize, intraCommRank ; |
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| 92 | MPI_Comm_size(intraComm,&intraCommSize) ; |
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| 93 | MPI_Comm_rank(intraComm,&intraCommRank) ; |
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[1187] | 94 | info(50)<<"intercommCreate::server "<<rank<<" intraCommSize : "<<intraCommSize |
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| 95 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< clientLeader<<endl ; |
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[490] | 96 | |
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[300] | 97 | MPI_Intercomm_create(intraComm,0,CXios::globalComm,clientLeader,0,&newComm) ; |
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| 98 | interComm.push_back(newComm) ; |
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| 99 | } |
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| 100 | } |
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| 101 | |
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| 102 | delete [] hashAll ; |
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| 103 | } |
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| 104 | // using OASIS |
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[1328] | 105 | /* else |
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[300] | 106 | { |
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[1328] | 107 | int rank ,size; |
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[490] | 108 | int size; |
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| 109 | if (!is_MPI_Initialized) oasis_init(CXios::xiosCodeId); |
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| 110 | |
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[359] | 111 | CTimer::get("XIOS").resume() ; |
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[655] | 112 | MPI_Comm localComm; |
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| 113 | oasis_get_localcomm(localComm); |
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| 114 | MPI_Comm_dup(localComm, &intraComm); |
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| 115 | |
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[300] | 116 | MPI_Comm_rank(intraComm,&rank) ; |
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| 117 | MPI_Comm_size(intraComm,&size) ; |
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| 118 | string codesId=CXios::getin<string>("oasis_codes_id") ; |
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[490] | 119 | |
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[300] | 120 | vector<string> splitted ; |
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[483] | 121 | boost::split( splitted, codesId, boost::is_any_of(","), boost::token_compress_on ) ; |
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[300] | 122 | vector<string>::iterator it ; |
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| 123 | |
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| 124 | MPI_Comm newComm ; |
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| 125 | int globalRank ; |
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| 126 | MPI_Comm_rank(CXios::globalComm,&globalRank); |
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[490] | 127 | |
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[300] | 128 | for(it=splitted.begin();it!=splitted.end();it++) |
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| 129 | { |
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| 130 | oasis_get_intercomm(newComm,*it) ; |
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| 131 | if (rank==0) MPI_Send(&globalRank,1,MPI_INT,0,0,newComm) ; |
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| 132 | MPI_Comm_remote_size(newComm,&size); |
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| 133 | interComm.push_back(newComm) ; |
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| 134 | } |
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[492] | 135 | oasis_enddef() ; |
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[300] | 136 | } |
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[1328] | 137 | */ |
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| 138 | // int rank; |
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[300] | 139 | MPI_Comm_rank(intraComm,&rank) ; |
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| 140 | if (rank==0) isRoot=true; |
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[490] | 141 | else isRoot=false; |
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[492] | 142 | |
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| 143 | eventScheduler = new CEventScheduler(intraComm) ; |
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[300] | 144 | } |
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[490] | 145 | |
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[300] | 146 | void CServer::finalize(void) |
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| 147 | { |
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[361] | 148 | CTimer::get("XIOS").suspend() ; |
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[697] | 149 | |
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[492] | 150 | delete eventScheduler ; |
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[655] | 151 | |
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[1328] | 152 | for (std::list<MPI_Comm>::iterator it = contextInterComms.begin(); it != contextInterComms.end(); it++) |
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[655] | 153 | MPI_Comm_free(&(*it)); |
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[1328] | 154 | for (std::list<MPI_Comm>::iterator it = interComm.begin(); it != interComm.end(); it++) |
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[655] | 155 | MPI_Comm_free(&(*it)); |
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| 156 | MPI_Comm_free(&intraComm); |
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| 157 | |
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[300] | 158 | if (!is_MPI_Initialized) |
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[490] | 159 | { |
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[300] | 160 | if (CXios::usingOasis) oasis_finalize(); |
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[1328] | 161 | //else MPI_Finalize() ; |
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[300] | 162 | } |
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[347] | 163 | report(0)<<"Performance report : Time spent for XIOS : "<<CTimer::get("XIOS server").getCumulatedTime()<<endl ; |
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| 164 | report(0)<<"Performance report : Time spent in processing events : "<<CTimer::get("Process events").getCumulatedTime()<<endl ; |
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| 165 | report(0)<<"Performance report : Ratio : "<<CTimer::get("Process events").getCumulatedTime()/CTimer::get("XIOS server").getCumulatedTime()*100.<<"%"<<endl ; |
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[1205] | 166 | report(100)<<CTimer::getAllCumulatedTime()<<endl ; |
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[300] | 167 | } |
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[490] | 168 | |
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[300] | 169 | void CServer::eventLoop(void) |
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| 170 | { |
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| 171 | bool stop=false ; |
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[490] | 172 | |
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[347] | 173 | CTimer::get("XIOS server").resume() ; |
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[300] | 174 | while(!stop) |
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| 175 | { |
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| 176 | if (isRoot) |
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| 177 | { |
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| 178 | listenContext(); |
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| 179 | if (!finished) listenFinalize() ; |
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| 180 | } |
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| 181 | else |
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| 182 | { |
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| 183 | listenRootContext(); |
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[1328] | 184 | if (!finished) listenRootFinalize() ; |
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[300] | 185 | } |
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[490] | 186 | |
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[300] | 187 | contextEventLoop() ; |
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| 188 | if (finished && contextList.empty()) stop=true ; |
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[956] | 189 | eventScheduler->checkEvent() ; |
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[300] | 190 | } |
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[347] | 191 | CTimer::get("XIOS server").suspend() ; |
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[300] | 192 | } |
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[490] | 193 | |
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[300] | 194 | void CServer::listenFinalize(void) |
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| 195 | { |
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| 196 | list<MPI_Comm>::iterator it; |
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| 197 | int msg ; |
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| 198 | int flag ; |
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[490] | 199 | |
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[1328] | 200 | for(it=interComm.begin();it!=interComm.end();it++) |
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[300] | 201 | { |
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| 202 | MPI_Status status ; |
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[347] | 203 | traceOff() ; |
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[300] | 204 | MPI_Iprobe(0,0,*it,&flag,&status) ; |
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[347] | 205 | traceOn() ; |
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[300] | 206 | if (flag==true) |
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| 207 | { |
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| 208 | MPI_Recv(&msg,1,MPI_INT,0,0,*it,&status) ; |
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| 209 | info(20)<<" CServer : Receive client finalize"<<endl ; |
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[655] | 210 | MPI_Comm_free(&(*it)); |
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[300] | 211 | interComm.erase(it) ; |
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| 212 | break ; |
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| 213 | } |
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| 214 | } |
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[490] | 215 | |
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[300] | 216 | if (interComm.empty()) |
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| 217 | { |
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| 218 | int i,size ; |
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| 219 | MPI_Comm_size(intraComm,&size) ; |
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| 220 | MPI_Request* requests= new MPI_Request[size-1] ; |
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| 221 | MPI_Status* status= new MPI_Status[size-1] ; |
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[490] | 222 | |
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[300] | 223 | for(int i=1;i<size;i++) MPI_Isend(&msg,1,MPI_INT,i,4,intraComm,&requests[i-1]) ; |
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| 224 | MPI_Waitall(size-1,requests,status) ; |
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| 225 | |
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| 226 | finished=true ; |
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| 227 | delete [] requests ; |
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| 228 | delete [] status ; |
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| 229 | } |
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| 230 | } |
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[490] | 231 | |
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| 232 | |
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[300] | 233 | void CServer::listenRootFinalize() |
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| 234 | { |
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| 235 | int flag ; |
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| 236 | MPI_Status status ; |
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| 237 | int msg ; |
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[490] | 238 | |
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[347] | 239 | traceOff() ; |
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[300] | 240 | MPI_Iprobe(0,4,intraComm, &flag, &status) ; |
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[347] | 241 | traceOn() ; |
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[300] | 242 | if (flag==true) |
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| 243 | { |
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| 244 | MPI_Recv(&msg,1,MPI_INT,0,4,intraComm,&status) ; |
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| 245 | finished=true ; |
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| 246 | } |
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| 247 | } |
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[490] | 248 | |
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[300] | 249 | void CServer::listenContext(void) |
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| 250 | { |
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[490] | 251 | |
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[300] | 252 | MPI_Status status ; |
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| 253 | int flag ; |
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[1032] | 254 | static char* buffer ; |
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[300] | 255 | static MPI_Request request ; |
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| 256 | static bool recept=false ; |
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| 257 | int rank ; |
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| 258 | int count ; |
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[490] | 259 | |
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[300] | 260 | if (recept==false) |
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| 261 | { |
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[347] | 262 | traceOff() ; |
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[1328] | 263 | MPI_Iprobe(-2,1,CXios::globalComm, &flag, &status) ; |
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[347] | 264 | traceOn() ; |
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[490] | 265 | if (flag==true) |
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[300] | 266 | { |
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[1134] | 267 | #ifdef _usingMPI |
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[300] | 268 | rank=status.MPI_SOURCE ; |
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[1134] | 269 | #elif _usingEP |
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[1328] | 270 | rank=status.ep_src; |
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[1134] | 271 | #endif |
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[300] | 272 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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| 273 | buffer=new char[count] ; |
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[1032] | 274 | MPI_Irecv((void*)buffer,count,MPI_CHAR,rank,1,CXios::globalComm,&request) ; |
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[490] | 275 | recept=true ; |
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[300] | 276 | } |
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| 277 | } |
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| 278 | else |
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| 279 | { |
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[347] | 280 | traceOff() ; |
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[300] | 281 | MPI_Test(&request,&flag,&status) ; |
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[347] | 282 | traceOn() ; |
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[300] | 283 | if (flag==true) |
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| 284 | { |
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[1134] | 285 | #ifdef _usingMPI |
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[300] | 286 | rank=status.MPI_SOURCE ; |
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[1134] | 287 | #elif _usingEP |
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[1328] | 288 | rank=status.ep_src; |
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[1134] | 289 | #endif |
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[300] | 290 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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[1032] | 291 | recvContextMessage((void*)buffer,count) ; |
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[300] | 292 | delete [] buffer ; |
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[490] | 293 | recept=false ; |
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[300] | 294 | } |
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| 295 | } |
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| 296 | } |
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[490] | 297 | |
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[300] | 298 | void CServer::recvContextMessage(void* buff,int count) |
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| 299 | { |
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| 300 | static map<string,contextMessage> recvContextId ; |
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| 301 | map<string,contextMessage>::iterator it ; |
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[490] | 302 | |
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[300] | 303 | CBufferIn buffer(buff,count) ; |
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| 304 | string id ; |
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| 305 | int clientLeader ; |
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| 306 | int nbMessage ; |
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| 307 | |
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| 308 | buffer>>id>>nbMessage>>clientLeader ; |
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[490] | 309 | |
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[300] | 310 | it=recvContextId.find(id) ; |
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| 311 | if (it==recvContextId.end()) |
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[490] | 312 | { |
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[300] | 313 | contextMessage msg={0,0} ; |
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| 314 | pair<map<string,contextMessage>::iterator,bool> ret ; |
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| 315 | ret=recvContextId.insert(pair<string,contextMessage>(id,msg)) ; |
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| 316 | it=ret.first ; |
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[490] | 317 | } |
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[300] | 318 | it->second.nbRecv+=1 ; |
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| 319 | it->second.leaderRank+=clientLeader ; |
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[490] | 320 | |
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[300] | 321 | if (it->second.nbRecv==nbMessage) |
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[490] | 322 | { |
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[300] | 323 | int size ; |
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| 324 | MPI_Comm_size(intraComm,&size) ; |
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| 325 | MPI_Request* requests= new MPI_Request[size-1] ; |
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| 326 | MPI_Status* status= new MPI_Status[size-1] ; |
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[490] | 327 | |
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[300] | 328 | for(int i=1;i<size;i++) |
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| 329 | { |
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| 330 | MPI_Isend(buff,count,MPI_CHAR,i,2,intraComm,&requests[i-1]) ; |
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| 331 | } |
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| 332 | MPI_Waitall(size-1,requests,status) ; |
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| 333 | registerContext(buff,count,it->second.leaderRank) ; |
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| 334 | |
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| 335 | recvContextId.erase(it) ; |
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| 336 | delete [] requests ; |
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| 337 | delete [] status ; |
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| 338 | |
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| 339 | } |
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[490] | 340 | } |
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| 341 | |
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[300] | 342 | void CServer::listenRootContext(void) |
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| 343 | { |
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[490] | 344 | |
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[300] | 345 | MPI_Status status ; |
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| 346 | int flag ; |
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[1032] | 347 | static char* buffer ; |
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[300] | 348 | static MPI_Request request ; |
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| 349 | static bool recept=false ; |
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| 350 | int rank ; |
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| 351 | int count ; |
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| 352 | const int root=0 ; |
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[490] | 353 | |
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[300] | 354 | if (recept==false) |
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| 355 | { |
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[347] | 356 | traceOff() ; |
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[300] | 357 | MPI_Iprobe(root,2,intraComm, &flag, &status) ; |
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[347] | 358 | traceOn() ; |
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[490] | 359 | if (flag==true) |
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[300] | 360 | { |
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| 361 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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| 362 | buffer=new char[count] ; |
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[1032] | 363 | MPI_Irecv((void*)buffer,count,MPI_CHAR,root,2,intraComm,&request) ; |
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[490] | 364 | recept=true ; |
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[300] | 365 | } |
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| 366 | } |
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| 367 | else |
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| 368 | { |
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| 369 | MPI_Test(&request,&flag,&status) ; |
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| 370 | if (flag==true) |
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| 371 | { |
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| 372 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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[1032] | 373 | registerContext((void*)buffer,count) ; |
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[300] | 374 | delete [] buffer ; |
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[490] | 375 | recept=false ; |
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[300] | 376 | } |
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| 377 | } |
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[490] | 378 | } |
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| 379 | |
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[655] | 380 | void CServer::registerContext(void* buff, int count, int leaderRank) |
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[300] | 381 | { |
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| 382 | string contextId; |
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[655] | 383 | CBufferIn buffer(buff, count); |
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| 384 | buffer >> contextId; |
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[300] | 385 | |
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[680] | 386 | info(20) << "CServer : Register new Context : " << contextId << endl; |
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[490] | 387 | |
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[680] | 388 | if (contextList.find(contextId) != contextList.end()) |
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| 389 | ERROR("void CServer::registerContext(void* buff, int count, int leaderRank)", |
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| 390 | << "Context '" << contextId << "' has already been registred"); |
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[490] | 391 | |
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[655] | 392 | MPI_Comm contextIntercomm; |
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| 393 | MPI_Intercomm_create(intraComm,0,CXios::globalComm,leaderRank,10+leaderRank,&contextIntercomm); |
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[490] | 394 | |
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[655] | 395 | MPI_Comm inter; |
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| 396 | MPI_Intercomm_merge(contextIntercomm,1,&inter); |
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| 397 | MPI_Barrier(inter); |
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| 398 | |
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| 399 | CContext* context=CContext::create(contextId); |
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| 400 | contextList[contextId]=context; |
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| 401 | context->initServer(intraComm,contextIntercomm); |
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| 402 | |
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| 403 | contextInterComms.push_back(contextIntercomm); |
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| 404 | MPI_Comm_free(&inter); |
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[490] | 405 | } |
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| 406 | |
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[300] | 407 | void CServer::contextEventLoop(void) |
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| 408 | { |
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| 409 | bool finished ; |
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| 410 | map<string,CContext*>::iterator it ; |
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[1328] | 411 | for(it=contextList.begin();it!=contextList.end();it++) |
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[300] | 412 | { |
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[597] | 413 | finished=it->second->checkBuffersAndListen(); |
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[300] | 414 | if (finished) |
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| 415 | { |
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| 416 | contextList.erase(it) ; |
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| 417 | break ; |
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| 418 | } |
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| 419 | } |
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[490] | 420 | |
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[300] | 421 | } |
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[490] | 422 | |
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| 423 | //! Get rank of the current process |
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| 424 | int CServer::getRank() |
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| 425 | { |
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| 426 | return rank; |
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| 427 | } |
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| 428 | |
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[523] | 429 | /*! |
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| 430 | * Open a file specified by a suffix and an extension and use it for the given file buffer. |
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| 431 | * The file name will be suffix+rank+extension. |
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| 432 | * |
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| 433 | * \param fileName[in] protype file name |
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| 434 | * \param ext [in] extension of the file |
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| 435 | * \param fb [in/out] the file buffer |
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| 436 | */ |
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| 437 | void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb) |
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| 438 | { |
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| 439 | StdStringStream fileNameClient; |
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| 440 | int numDigit = 0; |
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| 441 | int size = 0; |
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| 442 | MPI_Comm_size(CXios::globalComm, &size); |
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| 443 | while (size) |
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| 444 | { |
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| 445 | size /= 10; |
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| 446 | ++numDigit; |
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| 447 | } |
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[497] | 448 | |
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[523] | 449 | fileNameClient << fileName << "_" << std::setfill('0') << std::setw(numDigit) << getRank() << ext; |
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| 450 | fb->open(fileNameClient.str().c_str(), std::ios::out); |
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| 451 | if (!fb->is_open()) |
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| 452 | ERROR("void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb)", |
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| 453 | << std::endl << "Can not open <" << fileNameClient << "> file to write the server log(s)."); |
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| 454 | } |
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[490] | 455 | |
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[523] | 456 | /*! |
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| 457 | * \brief Open a file stream to write the info logs |
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| 458 | * Open a file stream with a specific file name suffix+rank |
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| 459 | * to write the info logs. |
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| 460 | * \param fileName [in] protype file name |
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| 461 | */ |
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| 462 | void CServer::openInfoStream(const StdString& fileName) |
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| 463 | { |
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| 464 | std::filebuf* fb = m_infoStream.rdbuf(); |
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| 465 | openStream(fileName, ".out", fb); |
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[490] | 466 | |
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[523] | 467 | info.write2File(fb); |
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| 468 | report.write2File(fb); |
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| 469 | } |
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[490] | 470 | |
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[523] | 471 | //! Write the info logs to standard output |
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| 472 | void CServer::openInfoStream() |
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| 473 | { |
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| 474 | info.write2StdOut(); |
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| 475 | report.write2StdOut(); |
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| 476 | } |
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[490] | 477 | |
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[523] | 478 | //! Close the info logs file if it opens |
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| 479 | void CServer::closeInfoStream() |
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| 480 | { |
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| 481 | if (m_infoStream.is_open()) m_infoStream.close(); |
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| 482 | } |
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| 483 | |
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| 484 | /*! |
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| 485 | * \brief Open a file stream to write the error log |
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| 486 | * Open a file stream with a specific file name suffix+rank |
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| 487 | * to write the error log. |
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| 488 | * \param fileName [in] protype file name |
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| 489 | */ |
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| 490 | void CServer::openErrorStream(const StdString& fileName) |
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| 491 | { |
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| 492 | std::filebuf* fb = m_errorStream.rdbuf(); |
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| 493 | openStream(fileName, ".err", fb); |
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| 494 | |
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| 495 | error.write2File(fb); |
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| 496 | } |
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| 497 | |
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| 498 | //! Write the error log to standard error output |
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| 499 | void CServer::openErrorStream() |
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| 500 | { |
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| 501 | error.write2StdErr(); |
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| 502 | } |
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| 503 | |
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| 504 | //! Close the error log file if it opens |
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| 505 | void CServer::closeErrorStream() |
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| 506 | { |
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| 507 | if (m_errorStream.is_open()) m_errorStream.close(); |
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| 508 | } |
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[300] | 509 | } |
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