[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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[983] | 5 | #include "client.hpp" |
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[300] | 6 | #include "type.hpp" |
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| 7 | #include "context.hpp" |
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[352] | 8 | #include "object_template.hpp" |
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[300] | 9 | #include "oasis_cinterface.hpp" |
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| 10 | #include <boost/functional/hash.hpp> |
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| 11 | #include <boost/algorithm/string.hpp> |
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[382] | 12 | #include "mpi.hpp" |
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[347] | 13 | #include "tracer.hpp" |
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| 14 | #include "timer.hpp" |
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[492] | 15 | #include "event_scheduler.hpp" |
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[1587] | 16 | #include "string_tools.hpp" |
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[1761] | 17 | #include "ressources_manager.hpp" |
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| 18 | #include "services_manager.hpp" |
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| 19 | #include "contexts_manager.hpp" |
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| 20 | #include "servers_ressource.hpp" |
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| 21 | #include <cstdio> |
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[2146] | 22 | #include "workflow_graph.hpp" |
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[2274] | 23 | #include "release_static_allocation.hpp" |
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[300] | 24 | |
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[1761] | 25 | |
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[2274] | 26 | |
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[335] | 27 | namespace xios |
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[490] | 28 | { |
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[1639] | 29 | MPI_Comm CServer::intraComm ; |
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[1761] | 30 | MPI_Comm CServer::serversComm_ ; |
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[1639] | 31 | std::list<MPI_Comm> CServer::interCommLeft ; |
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| 32 | std::list<MPI_Comm> CServer::interCommRight ; |
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| 33 | std::list<MPI_Comm> CServer::contextInterComms; |
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| 34 | std::list<MPI_Comm> CServer::contextIntraComms; |
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[1021] | 35 | int CServer::serverLevel = 0 ; |
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[1148] | 36 | int CServer::nbContexts = 0; |
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[983] | 37 | bool CServer::isRoot = false ; |
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[1077] | 38 | int CServer::rank_ = INVALID_RANK; |
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[490] | 39 | StdOFStream CServer::m_infoStream; |
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[523] | 40 | StdOFStream CServer::m_errorStream; |
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[490] | 41 | map<string,CContext*> CServer::contextList ; |
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[1152] | 42 | vector<int> CServer::sndServerGlobalRanks; |
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[300] | 43 | bool CServer::finished=false ; |
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| 44 | bool CServer::is_MPI_Initialized ; |
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[597] | 45 | CEventScheduler* CServer::eventScheduler = 0; |
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[1761] | 46 | CServersRessource* CServer::serversRessource_=nullptr ; |
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[983] | 47 | |
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[1765] | 48 | |
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[1761] | 49 | void CServer::initialize(void) |
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| 50 | { |
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| 51 | |
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| 52 | MPI_Comm serverComm ; |
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| 53 | int initialized ; |
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| 54 | MPI_Initialized(&initialized) ; |
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| 55 | if (initialized) is_MPI_Initialized=true ; |
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| 56 | else is_MPI_Initialized=false ; |
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| 57 | MPI_Comm globalComm=CXios::getGlobalComm() ; |
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| 58 | |
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| 59 | ///////////////////////////////////////// |
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| 60 | ///////////// PART 1 //////////////////// |
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| 61 | ///////////////////////////////////////// |
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| 62 | // don't use OASIS |
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| 63 | if (!CXios::usingOasis) |
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| 64 | { |
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| 65 | if (!is_MPI_Initialized) MPI_Init(NULL, NULL); |
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| 66 | |
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| 67 | // split the global communicator |
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| 68 | // get hash from all model to attribute a unique color (int) and then split to get client communicator |
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| 69 | // every mpi process of globalComm (MPI_COMM_WORLD) must participate |
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| 70 | |
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| 71 | int commRank, commSize ; |
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| 72 | MPI_Comm_rank(globalComm,&commRank) ; |
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| 73 | MPI_Comm_size(globalComm,&commSize) ; |
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| 74 | |
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| 75 | std::hash<string> hashString ; |
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| 76 | size_t hashServer=hashString(CXios::xiosCodeId) ; |
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| 77 | |
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| 78 | size_t* hashAll = new size_t[commSize] ; |
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[2242] | 79 | MPI_Allgather(&hashServer,1,MPI_SIZE_T,hashAll,1,MPI_SIZE_T,globalComm) ; |
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[1761] | 80 | |
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| 81 | int color=0 ; |
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[2242] | 82 | map<size_t,int> listHash ; |
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| 83 | for(int i=0 ; i<=commSize ; i++) |
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| 84 | if (listHash.count(hashAll[i])==0) |
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[1761] | 85 | { |
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[2242] | 86 | listHash[hashAll[i]]=color ; |
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[1761] | 87 | color=color+1 ; |
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| 88 | } |
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[2242] | 89 | color=listHash[hashServer] ; |
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[1761] | 90 | delete[] hashAll ; |
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| 91 | |
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| 92 | MPI_Comm_split(globalComm, color, commRank, &serverComm) ; |
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| 93 | } |
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| 94 | else // using OASIS |
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| 95 | { |
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| 96 | if (!is_MPI_Initialized) oasis_init(CXios::xiosCodeId); |
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| 97 | |
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| 98 | oasis_get_localcomm(serverComm); |
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| 99 | } |
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[2290] | 100 | CTimer::get("XIOS").resume() ; |
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| 101 | CTimer::get("XIOS initialize").resume() ; |
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[1761] | 102 | |
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| 103 | ///////////////////////////////////////// |
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| 104 | ///////////// PART 2 //////////////////// |
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| 105 | ///////////////////////////////////////// |
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| 106 | |
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| 107 | |
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| 108 | // Create the XIOS communicator for every process which is related |
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| 109 | // to XIOS, as well on client side as on server side |
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| 110 | MPI_Comm xiosGlobalComm ; |
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| 111 | string strIds=CXios::getin<string>("clients_code_id","") ; |
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| 112 | vector<string> clientsCodeId=splitRegex(strIds,"\\s*,\\s*") ; |
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| 113 | if (strIds.empty()) |
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| 114 | { |
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| 115 | // no code Ids given, suppose XIOS initialisation is global |
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| 116 | int commRank, commGlobalRank, serverLeader, clientLeader,serverRemoteLeader,clientRemoteLeader ; |
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| 117 | MPI_Comm splitComm,interComm ; |
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| 118 | MPI_Comm_rank(globalComm,&commGlobalRank) ; |
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| 119 | MPI_Comm_split(globalComm, 1, commGlobalRank, &splitComm) ; |
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| 120 | MPI_Comm_rank(splitComm,&commRank) ; |
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| 121 | if (commRank==0) serverLeader=commGlobalRank ; |
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| 122 | else serverLeader=0 ; |
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| 123 | clientLeader=0 ; |
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| 124 | MPI_Allreduce(&clientLeader,&clientRemoteLeader,1,MPI_INT,MPI_SUM,globalComm) ; |
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| 125 | MPI_Allreduce(&serverLeader,&serverRemoteLeader,1,MPI_INT,MPI_SUM,globalComm) ; |
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| 126 | MPI_Intercomm_create(splitComm, 0, globalComm, clientRemoteLeader,1341,&interComm) ; |
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| 127 | MPI_Intercomm_merge(interComm,false,&xiosGlobalComm) ; |
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| 128 | CXios::setXiosComm(xiosGlobalComm) ; |
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| 129 | } |
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| 130 | else |
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| 131 | { |
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| 132 | |
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| 133 | xiosGlobalCommByFileExchange(serverComm) ; |
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| 134 | |
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| 135 | } |
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| 136 | |
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| 137 | ///////////////////////////////////////// |
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| 138 | ///////////// PART 4 //////////////////// |
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| 139 | // create servers intra communicator // |
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| 140 | ///////////////////////////////////////// |
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| 141 | |
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| 142 | int commRank ; |
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| 143 | MPI_Comm_rank(CXios::getXiosComm(), &commRank) ; |
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| 144 | MPI_Comm_split(CXios::getXiosComm(),true,commRank,&serversComm_) ; |
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| 145 | |
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| 146 | CXios::setUsingServer() ; |
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| 147 | |
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| 148 | ///////////////////////////////////////// |
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| 149 | ///////////// PART 5 //////////////////// |
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| 150 | // redirect files output // |
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| 151 | ///////////////////////////////////////// |
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| 152 | |
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| 153 | CServer::openInfoStream(CXios::serverFile); |
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| 154 | CServer::openErrorStream(CXios::serverFile); |
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| 155 | |
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| 156 | ///////////////////////////////////////// |
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| 157 | ///////////// PART 4 //////////////////// |
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| 158 | ///////////////////////////////////////// |
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| 159 | |
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| 160 | CXios::launchDaemonsManager(true) ; |
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| 161 | |
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| 162 | ///////////////////////////////////////// |
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| 163 | ///////////// PART 5 //////////////////// |
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| 164 | ///////////////////////////////////////// |
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| 165 | |
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| 166 | // create the services |
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| 167 | |
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| 168 | auto ressourcesManager=CXios::getRessourcesManager() ; |
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| 169 | auto servicesManager=CXios::getServicesManager() ; |
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| 170 | auto contextsManager=CXios::getContextsManager() ; |
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| 171 | auto daemonsManager=CXios::getDaemonsManager() ; |
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| 172 | auto serversRessource=CServer::getServersRessource() ; |
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| 173 | |
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| 174 | if (serversRessource->isServerLeader()) |
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| 175 | { |
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| 176 | int nbRessources = ressourcesManager->getRessourcesSize() ; |
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| 177 | if (!CXios::usingServer2) |
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| 178 | { |
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| 179 | ressourcesManager->createPool(CXios::defaultPoolId, nbRessources) ; |
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| 180 | servicesManager->createServices(CXios::defaultPoolId, CXios::defaultServerId, CServicesManager::IO_SERVER,nbRessources,1) ; |
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| 181 | } |
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| 182 | else |
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| 183 | { |
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| 184 | int nprocsServer = nbRessources*CXios::ratioServer2/100.; |
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| 185 | int nprocsGatherer = nbRessources - nprocsServer ; |
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| 186 | |
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| 187 | int nbPoolsServer2 = CXios::nbPoolsServer2 ; |
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| 188 | if (nbPoolsServer2 == 0) nbPoolsServer2 = nprocsServer; |
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| 189 | ressourcesManager->createPool(CXios::defaultPoolId, nbRessources) ; |
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| 190 | servicesManager->createServices(CXios::defaultPoolId, CXios::defaultGathererId, CServicesManager::GATHERER, nprocsGatherer, 1) ; |
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| 191 | servicesManager->createServices(CXios::defaultPoolId, CXios::defaultServerId, CServicesManager::OUT_SERVER, nprocsServer, nbPoolsServer2) ; |
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| 192 | } |
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| 193 | } |
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[2242] | 194 | CTimer::get("XIOS initialize").suspend() ; |
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[1761] | 195 | |
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| 196 | ///////////////////////////////////////// |
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| 197 | ///////////// PART 5 //////////////////// |
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| 198 | ///////////////////////////////////////// |
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| 199 | // loop on event loop |
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| 200 | |
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| 201 | bool finished=false ; |
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[2242] | 202 | CTimer::get("XIOS event loop").resume() ; |
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| 203 | |
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[1761] | 204 | while (!finished) |
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| 205 | { |
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| 206 | finished=daemonsManager->eventLoop() ; |
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| 207 | } |
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[2242] | 208 | CTimer::get("XIOS event loop").suspend() ; |
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[2243] | 209 | |
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| 210 | // Delete CContext |
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[2274] | 211 | //CObjectTemplate<CContext>::cleanStaticDataStructure(); |
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[1761] | 212 | } |
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| 213 | |
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| 214 | |
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| 215 | |
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| 216 | |
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| 217 | |
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| 218 | void CServer::xiosGlobalCommByFileExchange(MPI_Comm serverComm) |
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| 219 | { |
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| 220 | |
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| 221 | MPI_Comm globalComm=CXios::getGlobalComm() ; |
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| 222 | MPI_Comm xiosGlobalComm ; |
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| 223 | |
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| 224 | string strIds=CXios::getin<string>("clients_code_id","") ; |
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| 225 | vector<string> clientsCodeId=splitRegex(strIds,"\\s*,\\s*") ; |
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| 226 | |
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| 227 | int commRank, globalRank ; |
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| 228 | MPI_Comm_rank(serverComm, &commRank) ; |
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| 229 | MPI_Comm_rank(globalComm, &globalRank) ; |
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| 230 | string serverFileName("__xios_publisher::"+CXios::xiosCodeId+"__to_remove__") ; |
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| 231 | |
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| 232 | if (commRank==0) // if root process publish name |
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| 233 | { |
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| 234 | std::ofstream ofs (serverFileName, std::ofstream::out); |
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| 235 | ofs<<globalRank ; |
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| 236 | ofs.close(); |
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| 237 | } |
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| 238 | |
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| 239 | vector<int> clientsRank(clientsCodeId.size()) ; |
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| 240 | for(int i=0;i<clientsRank.size();i++) |
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| 241 | { |
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| 242 | std::ifstream ifs ; |
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| 243 | string fileName=("__xios_publisher::"+clientsCodeId[i]+"__to_remove__") ; |
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| 244 | do |
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| 245 | { |
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| 246 | ifs.clear() ; |
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| 247 | ifs.open(fileName, std::ifstream::in) ; |
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| 248 | } while (ifs.fail()) ; |
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| 249 | ifs>>clientsRank[i] ; |
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| 250 | ifs.close() ; |
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| 251 | } |
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| 252 | |
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| 253 | MPI_Comm intraComm ; |
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| 254 | MPI_Comm_dup(serverComm,&intraComm) ; |
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| 255 | MPI_Comm interComm ; |
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| 256 | for(int i=0 ; i<clientsRank.size(); i++) |
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| 257 | { |
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| 258 | MPI_Intercomm_create(intraComm, 0, globalComm, clientsRank[i], 3141, &interComm); |
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| 259 | MPI_Comm_free(&intraComm) ; |
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| 260 | MPI_Intercomm_merge(interComm,false, &intraComm ) ; |
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| 261 | } |
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| 262 | xiosGlobalComm=intraComm ; |
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| 263 | MPI_Barrier(xiosGlobalComm); |
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| 264 | if (commRank==0) std::remove(serverFileName.c_str()) ; |
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| 265 | MPI_Barrier(xiosGlobalComm); |
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| 266 | |
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| 267 | CXios::setXiosComm(xiosGlobalComm) ; |
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| 268 | |
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| 269 | } |
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| 270 | |
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| 271 | |
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| 272 | void CServer::xiosGlobalCommByPublishing(MPI_Comm serverComm) |
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| 273 | { |
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| 274 | // untested, need to be tested on a true MPI-2 compliant library |
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| 275 | |
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| 276 | // try to discover other client/server |
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| 277 | /* |
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| 278 | // publish server name |
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| 279 | char portName[MPI_MAX_PORT_NAME]; |
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| 280 | int ierr ; |
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| 281 | int commRank ; |
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| 282 | MPI_Comm_rank(serverComm, &commRank) ; |
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| 283 | |
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| 284 | if (commRank==0) // if root process publish name |
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| 285 | { |
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| 286 | MPI_Open_port(MPI_INFO_NULL, portName); |
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| 287 | MPI_Publish_name(CXios::xiosCodeId.c_str(), MPI_INFO_NULL, portName); |
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| 288 | } |
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| 289 | |
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| 290 | MPI_Comm intraComm=serverComm ; |
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| 291 | MPI_Comm interComm ; |
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| 292 | for(int i=0 ; i<clientsCodeId.size(); i++) |
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| 293 | { |
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| 294 | MPI_Comm_accept(portName, MPI_INFO_NULL, 0, intraComm, &interComm); |
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| 295 | MPI_Intercomm_merge(interComm,false, &intraComm ) ; |
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| 296 | } |
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| 297 | */ |
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| 298 | } |
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| 299 | |
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[490] | 300 | |
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[300] | 301 | void CServer::finalize(void) |
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| 302 | { |
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[361] | 303 | CTimer::get("XIOS").suspend() ; |
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[697] | 304 | |
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[492] | 305 | delete eventScheduler ; |
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[655] | 306 | |
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[1639] | 307 | for (std::list<MPI_Comm>::iterator it = contextInterComms.begin(); it != contextInterComms.end(); it++) |
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| 308 | MPI_Comm_free(&(*it)); |
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[983] | 309 | |
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[1639] | 310 | for (std::list<MPI_Comm>::iterator it = contextIntraComms.begin(); it != contextIntraComms.end(); it++) |
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| 311 | MPI_Comm_free(&(*it)); |
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[1071] | 312 | |
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[1639] | 313 | for (std::list<MPI_Comm>::iterator it = interCommRight.begin(); it != interCommRight.end(); it++) |
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| 314 | MPI_Comm_free(&(*it)); |
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[992] | 315 | |
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[1761] | 316 | // MPI_Comm_free(&intraComm); |
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[2266] | 317 | CXios::finalizeDaemonsManager(); |
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[2274] | 318 | finalizeServersRessource(); |
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[1764] | 319 | |
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[2274] | 320 | CContext::removeAllContexts() ; // free memory for related context |
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| 321 | |
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[2310] | 322 | CXios::getMpiGarbageCollector().release() ; // release unfree MPI ressources |
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| 323 | |
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[300] | 324 | if (!is_MPI_Initialized) |
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[490] | 325 | { |
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[300] | 326 | if (CXios::usingOasis) oasis_finalize(); |
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[1639] | 327 | else MPI_Finalize() ; |
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[300] | 328 | } |
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[347] | 329 | report(0)<<"Performance report : Time spent for XIOS : "<<CTimer::get("XIOS server").getCumulatedTime()<<endl ; |
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| 330 | report(0)<<"Performance report : Time spent in processing events : "<<CTimer::get("Process events").getCumulatedTime()<<endl ; |
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| 331 | report(0)<<"Performance report : Ratio : "<<CTimer::get("Process events").getCumulatedTime()/CTimer::get("XIOS server").getCumulatedTime()*100.<<"%"<<endl ; |
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[1158] | 332 | report(100)<<CTimer::getAllCumulatedTime()<<endl ; |
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[2274] | 333 | |
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[2146] | 334 | CWorkflowGraph::drawWorkFlowGraph_server(); |
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[2274] | 335 | xios::releaseStaticAllocation() ; // free memory from static allocation |
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[300] | 336 | } |
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[490] | 337 | |
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[523] | 338 | /*! |
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| 339 | * Open a file specified by a suffix and an extension and use it for the given file buffer. |
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| 340 | * The file name will be suffix+rank+extension. |
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| 341 | * |
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| 342 | * \param fileName[in] protype file name |
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| 343 | * \param ext [in] extension of the file |
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| 344 | * \param fb [in/out] the file buffer |
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| 345 | */ |
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| 346 | void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb) |
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| 347 | { |
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[1761] | 348 | StdStringStream fileNameServer; |
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[523] | 349 | int numDigit = 0; |
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[1761] | 350 | int commSize = 0; |
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| 351 | int commRank ; |
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[1021] | 352 | int id; |
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[1761] | 353 | |
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| 354 | MPI_Comm_size(CXios::getGlobalComm(), &commSize); |
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| 355 | MPI_Comm_rank(CXios::getGlobalComm(), &commRank); |
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| 356 | |
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| 357 | while (commSize) |
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[523] | 358 | { |
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[1761] | 359 | commSize /= 10; |
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[523] | 360 | ++numDigit; |
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| 361 | } |
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[1761] | 362 | id = commRank; |
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[497] | 363 | |
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[1761] | 364 | fileNameServer << fileName << "_" << std::setfill('0') << std::setw(numDigit) << id << ext; |
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| 365 | fb->open(fileNameServer.str().c_str(), std::ios::out); |
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[523] | 366 | if (!fb->is_open()) |
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| 367 | ERROR("void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb)", |
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[1761] | 368 | << std::endl << "Can not open <" << fileNameServer.str() << "> file to write the server log(s)."); |
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[523] | 369 | } |
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[490] | 370 | |
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[523] | 371 | /*! |
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| 372 | * \brief Open a file stream to write the info logs |
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| 373 | * Open a file stream with a specific file name suffix+rank |
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| 374 | * to write the info logs. |
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| 375 | * \param fileName [in] protype file name |
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| 376 | */ |
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| 377 | void CServer::openInfoStream(const StdString& fileName) |
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| 378 | { |
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| 379 | std::filebuf* fb = m_infoStream.rdbuf(); |
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| 380 | openStream(fileName, ".out", fb); |
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[490] | 381 | |
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[523] | 382 | info.write2File(fb); |
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| 383 | report.write2File(fb); |
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| 384 | } |
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[490] | 385 | |
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[523] | 386 | //! Write the info logs to standard output |
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| 387 | void CServer::openInfoStream() |
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| 388 | { |
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| 389 | info.write2StdOut(); |
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| 390 | report.write2StdOut(); |
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| 391 | } |
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[490] | 392 | |
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[523] | 393 | //! Close the info logs file if it opens |
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| 394 | void CServer::closeInfoStream() |
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| 395 | { |
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| 396 | if (m_infoStream.is_open()) m_infoStream.close(); |
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| 397 | } |
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| 398 | |
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| 399 | /*! |
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| 400 | * \brief Open a file stream to write the error log |
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| 401 | * Open a file stream with a specific file name suffix+rank |
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| 402 | * to write the error log. |
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| 403 | * \param fileName [in] protype file name |
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| 404 | */ |
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| 405 | void CServer::openErrorStream(const StdString& fileName) |
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| 406 | { |
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| 407 | std::filebuf* fb = m_errorStream.rdbuf(); |
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| 408 | openStream(fileName, ".err", fb); |
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| 409 | |
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| 410 | error.write2File(fb); |
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| 411 | } |
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| 412 | |
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| 413 | //! Write the error log to standard error output |
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| 414 | void CServer::openErrorStream() |
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| 415 | { |
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| 416 | error.write2StdErr(); |
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| 417 | } |
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| 418 | |
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| 419 | //! Close the error log file if it opens |
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| 420 | void CServer::closeErrorStream() |
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| 421 | { |
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| 422 | if (m_errorStream.is_open()) m_errorStream.close(); |
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| 423 | } |
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[1761] | 424 | |
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| 425 | void CServer::launchServersRessource(MPI_Comm serverComm) |
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| 426 | { |
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| 427 | serversRessource_ = new CServersRessource(serverComm) ; |
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| 428 | } |
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[2274] | 429 | |
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| 430 | void CServer::finalizeServersRessource(void) |
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| 431 | { |
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| 432 | delete serversRessource_; serversRessource_=nullptr ; |
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| 433 | } |
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[300] | 434 | } |
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