[300] | 1 | #include "context_server.hpp" |
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| 2 | #include "buffer_in.hpp" |
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| 3 | #include "type.hpp" |
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| 4 | #include "context.hpp" |
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[352] | 5 | #include "object_template.hpp" |
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| 6 | #include "group_template.hpp" |
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| 7 | #include "attribute_template.hpp" |
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[300] | 8 | #include "domain.hpp" |
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[352] | 9 | #include "field.hpp" |
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| 10 | #include "file.hpp" |
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| 11 | #include "grid.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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[401] | 15 | #include "cxios.hpp" |
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[492] | 16 | #include "event_scheduler.hpp" |
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| 17 | #include "server.hpp" |
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| 18 | #include <boost/functional/hash.hpp> |
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[300] | 19 | |
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| 20 | |
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| 21 | |
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[335] | 22 | namespace xios |
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[300] | 23 | { |
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| 24 | |
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[1158] | 25 | CContextServer::CContextServer(CContext* parent,MPI_Comm intraComm_,MPI_Comm interComm_) |
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[300] | 26 | { |
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[549] | 27 | context=parent; |
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| 28 | intraComm=intraComm_; |
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| 29 | MPI_Comm_size(intraComm,&intraCommSize); |
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| 30 | MPI_Comm_rank(intraComm,&intraCommRank); |
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[1054] | 31 | |
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[549] | 32 | interComm=interComm_; |
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| 33 | int flag; |
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| 34 | MPI_Comm_test_inter(interComm,&flag); |
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[300] | 35 | if (flag) MPI_Comm_remote_size(interComm,&commSize); |
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[549] | 36 | else MPI_Comm_size(interComm,&commSize); |
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[983] | 37 | |
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[549] | 38 | currentTimeLine=0; |
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| 39 | scheduled=false; |
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| 40 | finished=false; |
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| 41 | boost::hash<string> hashString; |
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[1130] | 42 | if (CServer::serverLevel == 1) |
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| 43 | hashId=hashString(context->getId() + boost::lexical_cast<string>(context->clientPrimServer.size())); |
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| 44 | else |
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| 45 | hashId=hashString(context->getId()); |
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[300] | 46 | } |
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[992] | 47 | |
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[300] | 48 | void CContextServer::setPendingEvent(void) |
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| 49 | { |
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[549] | 50 | pendingEvent=true; |
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[300] | 51 | } |
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[489] | 52 | |
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[300] | 53 | bool CContextServer::hasPendingEvent(void) |
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| 54 | { |
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[549] | 55 | return pendingEvent; |
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[300] | 56 | } |
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[489] | 57 | |
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[597] | 58 | bool CContextServer::hasFinished(void) |
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| 59 | { |
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| 60 | return finished; |
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| 61 | } |
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| 62 | |
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[1054] | 63 | bool CContextServer::eventLoop(bool enableEventsProcessing /*= true*/) |
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[300] | 64 | { |
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[549] | 65 | listen(); |
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[2015] | 66 | checkPendingProbe(); |
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[549] | 67 | checkPendingRequest(); |
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[1054] | 68 | if (enableEventsProcessing) |
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| 69 | processEvents(); |
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[549] | 70 | return finished; |
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[300] | 71 | } |
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[2015] | 72 | /* |
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[300] | 73 | void CContextServer::listen(void) |
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| 74 | { |
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| 75 | int rank; |
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[549] | 76 | int flag; |
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| 77 | int count; |
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| 78 | char * addr; |
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[489] | 79 | MPI_Status status; |
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[300] | 80 | map<int,CServerBuffer*>::iterator it; |
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[1230] | 81 | bool okLoop; |
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[489] | 82 | |
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[1225] | 83 | traceOff(); |
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| 84 | MPI_Iprobe(MPI_ANY_SOURCE, 20,interComm,&flag,&status); |
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| 85 | traceOn(); |
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| 86 | |
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| 87 | if (flag==true) |
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[300] | 88 | { |
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[1225] | 89 | rank=status.MPI_SOURCE ; |
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[1230] | 90 | okLoop = true; |
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[1228] | 91 | if (pendingRequest.find(rank)==pendingRequest.end()) |
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| 92 | okLoop = !listenPendingRequest(status) ; |
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| 93 | if (okLoop) |
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[300] | 94 | { |
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[1225] | 95 | for(rank=0;rank<commSize;rank++) |
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[300] | 96 | { |
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[1225] | 97 | if (pendingRequest.find(rank)==pendingRequest.end()) |
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[300] | 98 | { |
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[1225] | 99 | |
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| 100 | traceOff(); |
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| 101 | MPI_Iprobe(rank, 20,interComm,&flag,&status); |
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| 102 | traceOn(); |
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| 103 | if (flag==true) listenPendingRequest(status) ; |
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[300] | 104 | } |
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| 105 | } |
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| 106 | } |
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| 107 | } |
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| 108 | } |
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[489] | 109 | |
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[1228] | 110 | bool CContextServer::listenPendingRequest(MPI_Status& status) |
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[1225] | 111 | { |
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| 112 | int count; |
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| 113 | char * addr; |
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| 114 | map<int,CServerBuffer*>::iterator it; |
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| 115 | int rank=status.MPI_SOURCE ; |
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| 116 | |
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| 117 | it=buffers.find(rank); |
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| 118 | if (it==buffers.end()) // Receive the buffer size and allocate the buffer |
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| 119 | { |
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| 120 | StdSize buffSize = 0; |
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| 121 | MPI_Recv(&buffSize, 1, MPI_LONG, rank, 20, interComm, &status); |
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| 122 | mapBufferSize_.insert(std::make_pair(rank, buffSize)); |
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| 123 | it=(buffers.insert(pair<int,CServerBuffer*>(rank,new CServerBuffer(buffSize)))).first; |
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[1228] | 124 | return true; |
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[1225] | 125 | } |
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| 126 | else |
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| 127 | { |
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| 128 | MPI_Get_count(&status,MPI_CHAR,&count); |
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| 129 | if (it->second->isBufferFree(count)) |
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| 130 | { |
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| 131 | addr=(char*)it->second->getBuffer(count); |
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| 132 | MPI_Irecv(addr,count,MPI_CHAR,rank,20,interComm,&pendingRequest[rank]); |
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| 133 | bufferRequest[rank]=addr; |
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[1228] | 134 | return true; |
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[1225] | 135 | } |
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[1228] | 136 | else |
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| 137 | return false; |
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[1225] | 138 | } |
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| 139 | } |
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| 140 | |
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[2015] | 141 | */ |
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[1225] | 142 | |
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[2015] | 143 | void CContextServer::listen(void) |
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| 144 | { |
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| 145 | int rank; |
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| 146 | int flag; |
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| 147 | int count; |
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| 148 | char * addr; |
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| 149 | MPI_Status status; |
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| 150 | MPI_Message message ; |
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| 151 | map<int,CServerBuffer*>::iterator it; |
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| 152 | bool okLoop; |
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| 153 | |
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| 154 | traceOff(); |
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| 155 | MPI_Improbe(MPI_ANY_SOURCE, 20,interComm,&flag,&message, &status); |
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| 156 | traceOn(); |
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| 157 | if (flag==true) listenPendingRequest(message, status) ; |
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| 158 | } |
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| 159 | |
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| 160 | bool CContextServer::listenPendingRequest( MPI_Message &message, MPI_Status& status) |
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| 161 | { |
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| 162 | int count; |
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| 163 | char * addr; |
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| 164 | map<int,CServerBuffer*>::iterator it; |
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| 165 | int rank=status.MPI_SOURCE ; |
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| 166 | |
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| 167 | it=buffers.find(rank); |
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| 168 | if (it==buffers.end()) // Receive the buffer size and allocate the buffer |
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| 169 | { |
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| 170 | StdSize buffSize = 0; |
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| 171 | MPI_Mrecv(&buffSize, 1, MPI_LONG, &message, &status); |
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| 172 | mapBufferSize_.insert(std::make_pair(rank, buffSize)); |
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| 173 | it=(buffers.insert(pair<int,CServerBuffer*>(rank,new CServerBuffer(buffSize)))).first; |
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| 174 | return true; |
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| 175 | } |
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| 176 | else |
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| 177 | { |
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| 178 | // MPI_Get_count(&status,MPI_CHAR,&count); |
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| 179 | // if (it->second->isBufferFree(count)) |
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| 180 | // { |
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| 181 | // addr=(char*)it->second->getBuffer(count); |
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| 182 | // MPI_Imrecv(addr,count,MPI_CHAR, &message, &pendingRequest[rank]); |
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| 183 | // bufferRequest[rank]=addr; |
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| 184 | // return true; |
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| 185 | // } |
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| 186 | // else |
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| 187 | // { |
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| 188 | pendingProbe[rank].push_back(make_pair<MPI_Message,MPI_Status>(message,status)) ; |
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| 189 | return false; |
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| 190 | // } |
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| 191 | } |
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| 192 | } |
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| 193 | |
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| 194 | void CContextServer::checkPendingProbe(void) |
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| 195 | { |
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| 196 | |
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| 197 | list<int> recvProbe ; |
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| 198 | list<int>::iterator itRecv ; |
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| 199 | map<int, list<std::pair<MPI_Message,MPI_Status> > >::iterator itProbe; |
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| 200 | |
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| 201 | for(itProbe=pendingProbe.begin();itProbe!=pendingProbe.end();itProbe++) |
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| 202 | { |
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| 203 | int rank=itProbe->first ; |
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| 204 | if (pendingRequest.count(rank)==0) |
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| 205 | { |
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| 206 | MPI_Message& message = itProbe->second.front().first ; |
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| 207 | MPI_Status& status = itProbe->second.front().second ; |
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| 208 | int count ; |
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| 209 | MPI_Get_count(&status,MPI_CHAR,&count); |
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| 210 | map<int,CServerBuffer*>::iterator it = buffers.find(rank); |
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| 211 | if (it->second->isBufferFree(count)) |
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| 212 | { |
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| 213 | char * addr; |
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| 214 | addr=(char*)it->second->getBuffer(count); |
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| 215 | MPI_Imrecv(addr,count,MPI_CHAR, &message, &pendingRequest[rank]); |
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| 216 | bufferRequest[rank]=addr; |
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| 217 | recvProbe.push_back(rank) ; |
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| 218 | itProbe->second.pop_front() ; |
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| 219 | } |
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| 220 | } |
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| 221 | } |
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| 222 | |
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| 223 | for(itRecv=recvProbe.begin(); itRecv!=recvProbe.end(); itRecv++) if (pendingProbe[*itRecv].empty()) pendingProbe.erase(*itRecv) ; |
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| 224 | } |
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| 225 | |
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[300] | 226 | void CContextServer::checkPendingRequest(void) |
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| 227 | { |
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| 228 | map<int,MPI_Request>::iterator it; |
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[549] | 229 | list<int> recvRequest; |
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[300] | 230 | list<int>::iterator itRecv; |
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[549] | 231 | int rank; |
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| 232 | int flag; |
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| 233 | int count; |
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| 234 | MPI_Status status; |
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[489] | 235 | |
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[300] | 236 | for(it=pendingRequest.begin();it!=pendingRequest.end();it++) |
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| 237 | { |
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[549] | 238 | rank=it->first; |
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| 239 | traceOff(); |
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| 240 | MPI_Test(& it->second, &flag, &status); |
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| 241 | traceOn(); |
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[300] | 242 | if (flag==true) |
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| 243 | { |
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[549] | 244 | recvRequest.push_back(rank); |
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| 245 | MPI_Get_count(&status,MPI_CHAR,&count); |
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| 246 | processRequest(rank,bufferRequest[rank],count); |
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[300] | 247 | } |
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| 248 | } |
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[489] | 249 | |
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| 250 | for(itRecv=recvRequest.begin();itRecv!=recvRequest.end();itRecv++) |
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[300] | 251 | { |
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[549] | 252 | pendingRequest.erase(*itRecv); |
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| 253 | bufferRequest.erase(*itRecv); |
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[300] | 254 | } |
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| 255 | } |
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[489] | 256 | |
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[300] | 257 | void CContextServer::processRequest(int rank, char* buff,int count) |
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| 258 | { |
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[489] | 259 | |
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[549] | 260 | CBufferIn buffer(buff,count); |
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| 261 | char* startBuffer,endBuffer; |
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| 262 | int size, offset; |
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| 263 | size_t timeLine; |
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| 264 | map<size_t,CEventServer*>::iterator it; |
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[489] | 265 | |
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[1225] | 266 | CTimer::get("Process request").resume(); |
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[300] | 267 | while(count>0) |
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| 268 | { |
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[549] | 269 | char* startBuffer=(char*)buffer.ptr(); |
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| 270 | CBufferIn newBuffer(startBuffer,buffer.remain()); |
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| 271 | newBuffer>>size>>timeLine; |
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[300] | 272 | |
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[549] | 273 | it=events.find(timeLine); |
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| 274 | if (it==events.end()) it=events.insert(pair<int,CEventServer*>(timeLine,new CEventServer)).first; |
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| 275 | it->second->push(rank,buffers[rank],startBuffer,size); |
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[300] | 276 | |
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[549] | 277 | buffer.advance(size); |
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| 278 | count=buffer.remain(); |
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[489] | 279 | } |
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[1225] | 280 | CTimer::get("Process request").suspend(); |
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[300] | 281 | } |
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[489] | 282 | |
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[300] | 283 | void CContextServer::processEvents(void) |
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| 284 | { |
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[549] | 285 | map<size_t,CEventServer*>::iterator it; |
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| 286 | CEventServer* event; |
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[489] | 287 | |
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[549] | 288 | it=events.find(currentTimeLine); |
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[489] | 289 | if (it!=events.end()) |
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[300] | 290 | { |
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[549] | 291 | event=it->second; |
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[509] | 292 | |
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[300] | 293 | if (event->isFull()) |
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| 294 | { |
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[597] | 295 | if (!scheduled && CServer::eventScheduler) // Skip event scheduling for attached mode and reception on client side |
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[492] | 296 | { |
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[549] | 297 | CServer::eventScheduler->registerEvent(currentTimeLine,hashId); |
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| 298 | scheduled=true; |
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[492] | 299 | } |
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[597] | 300 | else if (!CServer::eventScheduler || CServer::eventScheduler->queryEvent(currentTimeLine,hashId) ) |
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[492] | 301 | { |
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[851] | 302 | // When using attached mode, synchronise the processes to avoid that differents event be scheduled by differents processes |
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| 303 | // The best way to properly solve this problem will be to use the event scheduler also in attached mode |
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| 304 | // for now just set up a MPI barrier |
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[1130] | 305 | if (!CServer::eventScheduler && CXios::isServer) MPI_Barrier(intraComm) ; |
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[851] | 306 | |
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[549] | 307 | CTimer::get("Process events").resume(); |
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| 308 | dispatchEvent(*event); |
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| 309 | CTimer::get("Process events").suspend(); |
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| 310 | pendingEvent=false; |
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| 311 | delete event; |
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| 312 | events.erase(it); |
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| 313 | currentTimeLine++; |
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| 314 | scheduled = false; |
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[492] | 315 | } |
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| 316 | } |
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| 317 | } |
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| 318 | } |
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[489] | 319 | |
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[300] | 320 | CContextServer::~CContextServer() |
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| 321 | { |
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[549] | 322 | map<int,CServerBuffer*>::iterator it; |
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[1158] | 323 | for(it=buffers.begin();it!=buffers.end();++it) delete it->second; |
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[489] | 324 | } |
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[300] | 325 | |
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| 326 | void CContextServer::dispatchEvent(CEventServer& event) |
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| 327 | { |
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[549] | 328 | string contextName; |
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| 329 | string buff; |
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| 330 | int MsgSize; |
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| 331 | int rank; |
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| 332 | list<CEventServer::SSubEvent>::iterator it; |
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[1054] | 333 | StdString ctxId = context->getId(); |
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| 334 | CContext::setCurrent(ctxId); |
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[1130] | 335 | StdSize totalBuf = 0; |
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[489] | 336 | |
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[300] | 337 | if (event.classId==CContext::GetType() && event.type==CContext::EVENT_ID_CONTEXT_FINALIZE) |
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| 338 | { |
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[597] | 339 | finished=true; |
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[1194] | 340 | info(20)<<" CContextServer: Receive context <"<<context->getId()<<"> finalize."<<endl; |
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| 341 | context->finalize(); |
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[511] | 342 | std::map<int, StdSize>::const_iterator itbMap = mapBufferSize_.begin(), |
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[983] | 343 | iteMap = mapBufferSize_.end(), itMap; |
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[511] | 344 | for (itMap = itbMap; itMap != iteMap; ++itMap) |
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| 345 | { |
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[1054] | 346 | rank = itMap->first; |
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[1130] | 347 | report(10)<< " Memory report : Context <"<<ctxId<<"> : server side : memory used for buffer of each connection to client" << endl |
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| 348 | << " +) With client of rank " << rank << " : " << itMap->second << " bytes " << endl; |
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| 349 | totalBuf += itMap->second; |
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[511] | 350 | } |
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[1130] | 351 | report(0)<< " Memory report : Context <"<<ctxId<<"> : server side : total memory used for buffer "<<totalBuf<<" bytes"<<endl; |
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[300] | 352 | } |
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[549] | 353 | else if (event.classId==CContext::GetType()) CContext::dispatchEvent(event); |
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| 354 | else if (event.classId==CContextGroup::GetType()) CContextGroup::dispatchEvent(event); |
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| 355 | else if (event.classId==CCalendarWrapper::GetType()) CCalendarWrapper::dispatchEvent(event); |
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| 356 | else if (event.classId==CDomain::GetType()) CDomain::dispatchEvent(event); |
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| 357 | else if (event.classId==CDomainGroup::GetType()) CDomainGroup::dispatchEvent(event); |
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| 358 | else if (event.classId==CAxis::GetType()) CAxis::dispatchEvent(event); |
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| 359 | else if (event.classId==CAxisGroup::GetType()) CAxisGroup::dispatchEvent(event); |
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[887] | 360 | else if (event.classId==CScalar::GetType()) CScalar::dispatchEvent(event); |
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| 361 | else if (event.classId==CScalarGroup::GetType()) CScalarGroup::dispatchEvent(event); |
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[549] | 362 | else if (event.classId==CGrid::GetType()) CGrid::dispatchEvent(event); |
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| 363 | else if (event.classId==CGridGroup::GetType()) CGridGroup::dispatchEvent(event); |
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| 364 | else if (event.classId==CField::GetType()) CField::dispatchEvent(event); |
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| 365 | else if (event.classId==CFieldGroup::GetType()) CFieldGroup::dispatchEvent(event); |
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| 366 | else if (event.classId==CFile::GetType()) CFile::dispatchEvent(event); |
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| 367 | else if (event.classId==CFileGroup::GetType()) CFileGroup::dispatchEvent(event); |
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| 368 | else if (event.classId==CVariable::GetType()) CVariable::dispatchEvent(event); |
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[300] | 369 | else |
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| 370 | { |
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[549] | 371 | ERROR("void CContextServer::dispatchEvent(CEventServer& event)",<<" Bad event class Id"<<endl); |
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[300] | 372 | } |
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| 373 | } |
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| 374 | } |
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