[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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[382] | 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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[300] | 15 | |
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[335] | 16 | namespace xios |
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[490] | 17 | { |
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[300] | 18 | MPI_Comm CServer::intraComm ; |
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| 19 | list<MPI_Comm> CServer::interComm ; |
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[655] | 20 | std::list<MPI_Comm> CServer::contextInterComms; |
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[300] | 21 | bool CServer::isRoot ; |
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[490] | 22 | int CServer::rank = INVALID_RANK; |
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| 23 | StdOFStream CServer::m_infoStream; |
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[523] | 24 | StdOFStream CServer::m_errorStream; |
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[490] | 25 | map<string,CContext*> CServer::contextList ; |
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[300] | 26 | bool CServer::finished=false ; |
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| 27 | bool CServer::is_MPI_Initialized ; |
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[597] | 28 | CEventScheduler* CServer::eventScheduler = 0; |
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[697] | 29 | |
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[300] | 30 | void CServer::initialize(void) |
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| 31 | { |
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| 32 | int initialized ; |
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| 33 | MPI_Initialized(&initialized) ; |
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| 34 | if (initialized) is_MPI_Initialized=true ; |
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| 35 | else is_MPI_Initialized=false ; |
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[490] | 36 | |
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[300] | 37 | // Not using OASIS |
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| 38 | if (!CXios::usingOasis) |
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| 39 | { |
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[490] | 40 | |
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| 41 | if (!is_MPI_Initialized) |
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[300] | 42 | { |
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[925] | 43 | MPI_Init(NULL, NULL); |
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[300] | 44 | } |
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[359] | 45 | CTimer::get("XIOS").resume() ; |
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[490] | 46 | |
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| 47 | boost::hash<string> hashString ; |
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| 48 | |
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[300] | 49 | unsigned long hashServer=hashString(CXios::xiosCodeId) ; |
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| 50 | unsigned long* hashAll ; |
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[490] | 51 | |
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| 52 | // int rank ; |
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[300] | 53 | int size ; |
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| 54 | int myColor ; |
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| 55 | int i,c ; |
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| 56 | MPI_Comm newComm ; |
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[490] | 57 | |
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[300] | 58 | MPI_Comm_size(CXios::globalComm,&size) ; |
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| 59 | MPI_Comm_rank(CXios::globalComm,&rank); |
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| 60 | hashAll=new unsigned long[size] ; |
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[490] | 61 | |
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[300] | 62 | MPI_Allgather(&hashServer,1,MPI_LONG,hashAll,1,MPI_LONG,CXios::globalComm) ; |
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| 63 | |
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| 64 | map<unsigned long, int> colors ; |
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| 65 | map<unsigned long, int> leaders ; |
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| 66 | map<unsigned long, int>::iterator it ; |
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[490] | 67 | |
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[300] | 68 | for(i=0,c=0;i<size;i++) |
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| 69 | { |
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| 70 | if (colors.find(hashAll[i])==colors.end()) |
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| 71 | { |
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| 72 | colors[hashAll[i]]=c ; |
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| 73 | leaders[hashAll[i]]=i ; |
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| 74 | c++ ; |
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| 75 | } |
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| 76 | } |
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[490] | 77 | |
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[300] | 78 | myColor=colors[hashServer] ; |
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| 79 | MPI_Comm_split(MPI_COMM_WORLD,myColor,rank,&intraComm) ; |
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| 80 | |
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| 81 | int serverLeader=leaders[hashServer] ; |
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| 82 | int clientLeader; |
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[490] | 83 | |
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[300] | 84 | serverLeader=leaders[hashServer] ; |
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| 85 | for(it=leaders.begin();it!=leaders.end();it++) |
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| 86 | { |
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| 87 | if (it->first!=hashServer) |
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| 88 | { |
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| 89 | clientLeader=it->second ; |
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[492] | 90 | int intraCommSize, intraCommRank ; |
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| 91 | MPI_Comm_size(intraComm,&intraCommSize) ; |
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| 92 | MPI_Comm_rank(intraComm,&intraCommRank) ; |
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[493] | 93 | info(50)<<"intercommCreate::server "<<rank<<" intraCommSize : "<<intraCommSize |
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| 94 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< clientLeader<<endl ; |
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[490] | 95 | |
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[300] | 96 | MPI_Intercomm_create(intraComm,0,CXios::globalComm,clientLeader,0,&newComm) ; |
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| 97 | interComm.push_back(newComm) ; |
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| 98 | } |
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| 99 | } |
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| 100 | |
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| 101 | delete [] hashAll ; |
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| 102 | } |
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| 103 | // using OASIS |
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| 104 | else |
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| 105 | { |
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[490] | 106 | // int rank ,size; |
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| 107 | int size; |
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| 108 | if (!is_MPI_Initialized) oasis_init(CXios::xiosCodeId); |
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| 109 | |
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[359] | 110 | CTimer::get("XIOS").resume() ; |
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[655] | 111 | MPI_Comm localComm; |
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| 112 | oasis_get_localcomm(localComm); |
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| 113 | MPI_Comm_dup(localComm, &intraComm); |
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| 114 | |
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[300] | 115 | MPI_Comm_rank(intraComm,&rank) ; |
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| 116 | MPI_Comm_size(intraComm,&size) ; |
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| 117 | string codesId=CXios::getin<string>("oasis_codes_id") ; |
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[490] | 118 | |
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[300] | 119 | vector<string> splitted ; |
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[483] | 120 | boost::split( splitted, codesId, boost::is_any_of(","), boost::token_compress_on ) ; |
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[300] | 121 | vector<string>::iterator it ; |
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| 122 | |
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| 123 | MPI_Comm newComm ; |
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| 124 | int globalRank ; |
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| 125 | MPI_Comm_rank(CXios::globalComm,&globalRank); |
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[490] | 126 | |
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[300] | 127 | for(it=splitted.begin();it!=splitted.end();it++) |
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| 128 | { |
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| 129 | oasis_get_intercomm(newComm,*it) ; |
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| 130 | if (rank==0) MPI_Send(&globalRank,1,MPI_INT,0,0,newComm) ; |
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| 131 | MPI_Comm_remote_size(newComm,&size); |
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| 132 | interComm.push_back(newComm) ; |
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| 133 | } |
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[492] | 134 | oasis_enddef() ; |
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[300] | 135 | } |
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[490] | 136 | |
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| 137 | // int rank; |
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[300] | 138 | MPI_Comm_rank(intraComm,&rank) ; |
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| 139 | if (rank==0) isRoot=true; |
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[490] | 140 | else isRoot=false; |
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[492] | 141 | |
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| 142 | eventScheduler = new CEventScheduler(intraComm) ; |
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[300] | 143 | } |
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[490] | 144 | |
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[300] | 145 | void CServer::finalize(void) |
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| 146 | { |
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[361] | 147 | CTimer::get("XIOS").suspend() ; |
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[697] | 148 | |
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[492] | 149 | delete eventScheduler ; |
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[655] | 150 | |
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| 151 | for (std::list<MPI_Comm>::iterator it = contextInterComms.begin(); it != contextInterComms.end(); it++) |
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| 152 | MPI_Comm_free(&(*it)); |
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| 153 | for (std::list<MPI_Comm>::iterator it = interComm.begin(); it != interComm.end(); it++) |
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| 154 | MPI_Comm_free(&(*it)); |
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| 155 | MPI_Comm_free(&intraComm); |
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| 156 | |
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[300] | 157 | if (!is_MPI_Initialized) |
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[490] | 158 | { |
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[300] | 159 | if (CXios::usingOasis) oasis_finalize(); |
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| 160 | else MPI_Finalize() ; |
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| 161 | } |
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[347] | 162 | report(0)<<"Performance report : Time spent for XIOS : "<<CTimer::get("XIOS server").getCumulatedTime()<<endl ; |
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| 163 | report(0)<<"Performance report : Time spent in processing events : "<<CTimer::get("Process events").getCumulatedTime()<<endl ; |
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| 164 | report(0)<<"Performance report : Ratio : "<<CTimer::get("Process events").getCumulatedTime()/CTimer::get("XIOS server").getCumulatedTime()*100.<<"%"<<endl ; |
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[300] | 165 | } |
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[490] | 166 | |
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[300] | 167 | void CServer::eventLoop(void) |
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| 168 | { |
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| 169 | bool stop=false ; |
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[490] | 170 | |
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[347] | 171 | CTimer::get("XIOS server").resume() ; |
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[300] | 172 | while(!stop) |
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| 173 | { |
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| 174 | if (isRoot) |
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| 175 | { |
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| 176 | listenContext(); |
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| 177 | if (!finished) listenFinalize() ; |
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| 178 | } |
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| 179 | else |
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| 180 | { |
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| 181 | listenRootContext(); |
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| 182 | if (!finished) listenRootFinalize() ; |
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| 183 | } |
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[490] | 184 | |
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[300] | 185 | contextEventLoop() ; |
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| 186 | if (finished && contextList.empty()) stop=true ; |
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[492] | 187 | if (! CXios::isServer) eventScheduler->checkEvent() ; |
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[300] | 188 | } |
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[347] | 189 | CTimer::get("XIOS server").suspend() ; |
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[300] | 190 | } |
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[490] | 191 | |
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[300] | 192 | void CServer::listenFinalize(void) |
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| 193 | { |
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| 194 | list<MPI_Comm>::iterator it; |
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| 195 | int msg ; |
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| 196 | int flag ; |
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[490] | 197 | |
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[300] | 198 | for(it=interComm.begin();it!=interComm.end();it++) |
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| 199 | { |
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| 200 | MPI_Status status ; |
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[347] | 201 | traceOff() ; |
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[300] | 202 | MPI_Iprobe(0,0,*it,&flag,&status) ; |
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[347] | 203 | traceOn() ; |
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[300] | 204 | if (flag==true) |
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| 205 | { |
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| 206 | MPI_Recv(&msg,1,MPI_INT,0,0,*it,&status) ; |
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| 207 | info(20)<<" CServer : Receive client finalize"<<endl ; |
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[655] | 208 | MPI_Comm_free(&(*it)); |
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[300] | 209 | interComm.erase(it) ; |
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| 210 | break ; |
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| 211 | } |
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| 212 | } |
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[490] | 213 | |
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[300] | 214 | if (interComm.empty()) |
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| 215 | { |
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| 216 | int i,size ; |
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| 217 | MPI_Comm_size(intraComm,&size) ; |
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| 218 | MPI_Request* requests= new MPI_Request[size-1] ; |
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| 219 | MPI_Status* status= new MPI_Status[size-1] ; |
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[490] | 220 | |
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[300] | 221 | for(int i=1;i<size;i++) MPI_Isend(&msg,1,MPI_INT,i,4,intraComm,&requests[i-1]) ; |
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| 222 | MPI_Waitall(size-1,requests,status) ; |
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| 223 | |
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| 224 | finished=true ; |
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| 225 | delete [] requests ; |
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| 226 | delete [] status ; |
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| 227 | } |
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| 228 | } |
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[490] | 229 | |
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| 230 | |
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[300] | 231 | void CServer::listenRootFinalize() |
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| 232 | { |
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| 233 | int flag ; |
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| 234 | MPI_Status status ; |
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| 235 | int msg ; |
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[490] | 236 | |
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[347] | 237 | traceOff() ; |
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[300] | 238 | MPI_Iprobe(0,4,intraComm, &flag, &status) ; |
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[347] | 239 | traceOn() ; |
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[300] | 240 | if (flag==true) |
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| 241 | { |
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| 242 | MPI_Recv(&msg,1,MPI_INT,0,4,intraComm,&status) ; |
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| 243 | finished=true ; |
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| 244 | } |
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| 245 | } |
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[490] | 246 | |
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[300] | 247 | void CServer::listenContext(void) |
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| 248 | { |
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[490] | 249 | |
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[300] | 250 | MPI_Status status ; |
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| 251 | int flag ; |
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| 252 | static void* buffer ; |
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| 253 | static MPI_Request request ; |
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| 254 | static bool recept=false ; |
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| 255 | int rank ; |
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| 256 | int count ; |
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[490] | 257 | |
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[300] | 258 | if (recept==false) |
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| 259 | { |
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[347] | 260 | traceOff() ; |
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[300] | 261 | MPI_Iprobe(MPI_ANY_SOURCE,1,CXios::globalComm, &flag, &status) ; |
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[347] | 262 | traceOn() ; |
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[490] | 263 | if (flag==true) |
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[300] | 264 | { |
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| 265 | rank=status.MPI_SOURCE ; |
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| 266 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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| 267 | buffer=new char[count] ; |
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| 268 | MPI_Irecv(buffer,count,MPI_CHAR,rank,1,CXios::globalComm,&request) ; |
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[490] | 269 | recept=true ; |
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[300] | 270 | } |
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| 271 | } |
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| 272 | else |
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| 273 | { |
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[347] | 274 | traceOff() ; |
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[300] | 275 | MPI_Test(&request,&flag,&status) ; |
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[347] | 276 | traceOn() ; |
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[300] | 277 | if (flag==true) |
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| 278 | { |
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| 279 | rank=status.MPI_SOURCE ; |
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| 280 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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| 281 | recvContextMessage(buffer,count) ; |
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| 282 | delete [] buffer ; |
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[490] | 283 | recept=false ; |
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[300] | 284 | } |
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| 285 | } |
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| 286 | } |
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[490] | 287 | |
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[300] | 288 | void CServer::recvContextMessage(void* buff,int count) |
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| 289 | { |
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| 290 | static map<string,contextMessage> recvContextId ; |
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| 291 | map<string,contextMessage>::iterator it ; |
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[490] | 292 | |
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[300] | 293 | CBufferIn buffer(buff,count) ; |
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| 294 | string id ; |
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| 295 | int clientLeader ; |
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| 296 | int nbMessage ; |
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| 297 | |
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| 298 | buffer>>id>>nbMessage>>clientLeader ; |
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[490] | 299 | |
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[300] | 300 | it=recvContextId.find(id) ; |
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| 301 | if (it==recvContextId.end()) |
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[490] | 302 | { |
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[300] | 303 | contextMessage msg={0,0} ; |
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| 304 | pair<map<string,contextMessage>::iterator,bool> ret ; |
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| 305 | ret=recvContextId.insert(pair<string,contextMessage>(id,msg)) ; |
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| 306 | it=ret.first ; |
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[490] | 307 | } |
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[300] | 308 | it->second.nbRecv+=1 ; |
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| 309 | it->second.leaderRank+=clientLeader ; |
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[490] | 310 | |
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[300] | 311 | if (it->second.nbRecv==nbMessage) |
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[490] | 312 | { |
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[300] | 313 | int size ; |
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| 314 | MPI_Comm_size(intraComm,&size) ; |
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| 315 | MPI_Request* requests= new MPI_Request[size-1] ; |
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| 316 | MPI_Status* status= new MPI_Status[size-1] ; |
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[490] | 317 | |
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[300] | 318 | for(int i=1;i<size;i++) |
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| 319 | { |
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| 320 | MPI_Isend(buff,count,MPI_CHAR,i,2,intraComm,&requests[i-1]) ; |
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| 321 | } |
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| 322 | MPI_Waitall(size-1,requests,status) ; |
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| 323 | registerContext(buff,count,it->second.leaderRank) ; |
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| 324 | |
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| 325 | recvContextId.erase(it) ; |
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| 326 | delete [] requests ; |
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| 327 | delete [] status ; |
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| 328 | |
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| 329 | } |
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[490] | 330 | } |
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| 331 | |
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[300] | 332 | void CServer::listenRootContext(void) |
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| 333 | { |
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[490] | 334 | |
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[300] | 335 | MPI_Status status ; |
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| 336 | int flag ; |
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| 337 | static void* buffer ; |
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| 338 | static MPI_Request request ; |
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| 339 | static bool recept=false ; |
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| 340 | int rank ; |
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| 341 | int count ; |
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| 342 | const int root=0 ; |
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[490] | 343 | |
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[300] | 344 | if (recept==false) |
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| 345 | { |
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[347] | 346 | traceOff() ; |
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[300] | 347 | MPI_Iprobe(root,2,intraComm, &flag, &status) ; |
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[347] | 348 | traceOn() ; |
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[490] | 349 | if (flag==true) |
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[300] | 350 | { |
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| 351 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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| 352 | buffer=new char[count] ; |
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| 353 | MPI_Irecv(buffer,count,MPI_CHAR,root,2,intraComm,&request) ; |
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[490] | 354 | recept=true ; |
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[300] | 355 | } |
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| 356 | } |
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| 357 | else |
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| 358 | { |
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| 359 | MPI_Test(&request,&flag,&status) ; |
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| 360 | if (flag==true) |
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| 361 | { |
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| 362 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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| 363 | registerContext(buffer,count) ; |
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| 364 | delete [] buffer ; |
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[490] | 365 | recept=false ; |
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[300] | 366 | } |
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| 367 | } |
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[490] | 368 | } |
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| 369 | |
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[655] | 370 | void CServer::registerContext(void* buff, int count, int leaderRank) |
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[300] | 371 | { |
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| 372 | string contextId; |
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[655] | 373 | CBufferIn buffer(buff, count); |
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| 374 | buffer >> contextId; |
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[300] | 375 | |
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[680] | 376 | info(20) << "CServer : Register new Context : " << contextId << endl; |
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[490] | 377 | |
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[680] | 378 | if (contextList.find(contextId) != contextList.end()) |
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| 379 | ERROR("void CServer::registerContext(void* buff, int count, int leaderRank)", |
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| 380 | << "Context '" << contextId << "' has already been registred"); |
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[490] | 381 | |
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[655] | 382 | MPI_Comm contextIntercomm; |
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| 383 | MPI_Intercomm_create(intraComm,0,CXios::globalComm,leaderRank,10+leaderRank,&contextIntercomm); |
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[490] | 384 | |
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[655] | 385 | MPI_Comm inter; |
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| 386 | MPI_Intercomm_merge(contextIntercomm,1,&inter); |
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| 387 | MPI_Barrier(inter); |
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| 388 | |
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| 389 | CContext* context=CContext::create(contextId); |
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| 390 | contextList[contextId]=context; |
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| 391 | context->initServer(intraComm,contextIntercomm); |
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| 392 | |
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| 393 | contextInterComms.push_back(contextIntercomm); |
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| 394 | MPI_Comm_free(&inter); |
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[490] | 395 | } |
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| 396 | |
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[300] | 397 | void CServer::contextEventLoop(void) |
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| 398 | { |
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| 399 | bool finished ; |
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| 400 | map<string,CContext*>::iterator it ; |
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[490] | 401 | for(it=contextList.begin();it!=contextList.end();it++) |
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[300] | 402 | { |
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[597] | 403 | finished=it->second->checkBuffersAndListen(); |
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[300] | 404 | if (finished) |
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| 405 | { |
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| 406 | contextList.erase(it) ; |
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| 407 | break ; |
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| 408 | } |
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| 409 | } |
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[490] | 410 | |
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[300] | 411 | } |
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[490] | 412 | |
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| 413 | //! Get rank of the current process |
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| 414 | int CServer::getRank() |
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| 415 | { |
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| 416 | return rank; |
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| 417 | } |
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| 418 | |
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[523] | 419 | /*! |
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| 420 | * Open a file specified by a suffix and an extension and use it for the given file buffer. |
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| 421 | * The file name will be suffix+rank+extension. |
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| 422 | * |
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| 423 | * \param fileName[in] protype file name |
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| 424 | * \param ext [in] extension of the file |
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| 425 | * \param fb [in/out] the file buffer |
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| 426 | */ |
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| 427 | void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb) |
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| 428 | { |
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| 429 | StdStringStream fileNameClient; |
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| 430 | int numDigit = 0; |
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| 431 | int size = 0; |
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| 432 | MPI_Comm_size(CXios::globalComm, &size); |
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| 433 | while (size) |
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| 434 | { |
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| 435 | size /= 10; |
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| 436 | ++numDigit; |
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| 437 | } |
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[497] | 438 | |
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[523] | 439 | fileNameClient << fileName << "_" << std::setfill('0') << std::setw(numDigit) << getRank() << ext; |
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| 440 | fb->open(fileNameClient.str().c_str(), std::ios::out); |
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| 441 | if (!fb->is_open()) |
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| 442 | ERROR("void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb)", |
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| 443 | << std::endl << "Can not open <" << fileNameClient << "> file to write the server log(s)."); |
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| 444 | } |
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[490] | 445 | |
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[523] | 446 | /*! |
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| 447 | * \brief Open a file stream to write the info logs |
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| 448 | * Open a file stream with a specific file name suffix+rank |
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| 449 | * to write the info logs. |
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| 450 | * \param fileName [in] protype file name |
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| 451 | */ |
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| 452 | void CServer::openInfoStream(const StdString& fileName) |
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| 453 | { |
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| 454 | std::filebuf* fb = m_infoStream.rdbuf(); |
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| 455 | openStream(fileName, ".out", fb); |
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[490] | 456 | |
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[523] | 457 | info.write2File(fb); |
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| 458 | report.write2File(fb); |
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| 459 | } |
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[490] | 460 | |
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[523] | 461 | //! Write the info logs to standard output |
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| 462 | void CServer::openInfoStream() |
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| 463 | { |
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| 464 | info.write2StdOut(); |
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| 465 | report.write2StdOut(); |
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| 466 | } |
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[490] | 467 | |
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[523] | 468 | //! Close the info logs file if it opens |
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| 469 | void CServer::closeInfoStream() |
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| 470 | { |
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| 471 | if (m_infoStream.is_open()) m_infoStream.close(); |
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| 472 | } |
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| 473 | |
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| 474 | /*! |
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| 475 | * \brief Open a file stream to write the error log |
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| 476 | * Open a file stream with a specific file name suffix+rank |
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| 477 | * to write the error log. |
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| 478 | * \param fileName [in] protype file name |
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| 479 | */ |
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| 480 | void CServer::openErrorStream(const StdString& fileName) |
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| 481 | { |
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| 482 | std::filebuf* fb = m_errorStream.rdbuf(); |
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| 483 | openStream(fileName, ".err", fb); |
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| 484 | |
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| 485 | error.write2File(fb); |
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| 486 | } |
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| 487 | |
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| 488 | //! Write the error log to standard error output |
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| 489 | void CServer::openErrorStream() |
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| 490 | { |
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| 491 | error.write2StdErr(); |
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| 492 | } |
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| 493 | |
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| 494 | //! Close the error log file if it opens |
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| 495 | void CServer::closeErrorStream() |
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| 496 | { |
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| 497 | if (m_errorStream.is_open()) m_errorStream.close(); |
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| 498 | } |
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[300] | 499 | } |
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