[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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| 66 | checkPendingRequest(); |
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[1054] | 67 | if (enableEventsProcessing) |
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| 68 | processEvents(); |
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[549] | 69 | return finished; |
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[300] | 70 | } |
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| 71 | |
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| 72 | void CContextServer::listen(void) |
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| 73 | { |
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| 74 | int rank; |
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[549] | 75 | int flag; |
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| 76 | int count; |
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| 77 | char * addr; |
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[489] | 78 | MPI_Status status; |
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[300] | 79 | map<int,CServerBuffer*>::iterator it; |
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[1230] | 80 | bool okLoop; |
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[489] | 81 | |
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[1225] | 82 | traceOff(); |
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| 83 | MPI_Iprobe(MPI_ANY_SOURCE, 20,interComm,&flag,&status); |
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| 84 | traceOn(); |
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| 85 | |
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| 86 | if (flag==true) |
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[300] | 87 | { |
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[1225] | 88 | rank=status.MPI_SOURCE ; |
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[1230] | 89 | okLoop = true; |
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[1228] | 90 | if (pendingRequest.find(rank)==pendingRequest.end()) |
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| 91 | okLoop = !listenPendingRequest(status) ; |
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| 92 | if (okLoop) |
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[300] | 93 | { |
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[1225] | 94 | for(rank=0;rank<commSize;rank++) |
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[300] | 95 | { |
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[1225] | 96 | if (pendingRequest.find(rank)==pendingRequest.end()) |
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[300] | 97 | { |
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[1225] | 98 | |
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| 99 | traceOff(); |
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| 100 | MPI_Iprobe(rank, 20,interComm,&flag,&status); |
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| 101 | traceOn(); |
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| 102 | if (flag==true) listenPendingRequest(status) ; |
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[300] | 103 | } |
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| 104 | } |
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| 105 | } |
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| 106 | } |
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| 107 | } |
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[489] | 108 | |
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[1228] | 109 | bool CContextServer::listenPendingRequest(MPI_Status& status) |
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[1225] | 110 | { |
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| 111 | int count; |
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| 112 | char * addr; |
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| 113 | map<int,CServerBuffer*>::iterator it; |
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| 114 | int rank=status.MPI_SOURCE ; |
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| 115 | |
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| 116 | it=buffers.find(rank); |
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| 117 | if (it==buffers.end()) // Receive the buffer size and allocate the buffer |
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| 118 | { |
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| 119 | StdSize buffSize = 0; |
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| 120 | MPI_Recv(&buffSize, 1, MPI_LONG, rank, 20, interComm, &status); |
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| 121 | mapBufferSize_.insert(std::make_pair(rank, buffSize)); |
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| 122 | it=(buffers.insert(pair<int,CServerBuffer*>(rank,new CServerBuffer(buffSize)))).first; |
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[1228] | 123 | return true; |
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[1225] | 124 | } |
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| 125 | else |
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| 126 | { |
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| 127 | MPI_Get_count(&status,MPI_CHAR,&count); |
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| 128 | if (it->second->isBufferFree(count)) |
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| 129 | { |
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| 130 | addr=(char*)it->second->getBuffer(count); |
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| 131 | MPI_Irecv(addr,count,MPI_CHAR,rank,20,interComm,&pendingRequest[rank]); |
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| 132 | bufferRequest[rank]=addr; |
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[1228] | 133 | return true; |
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[1225] | 134 | } |
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[1228] | 135 | else |
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| 136 | return false; |
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[1225] | 137 | } |
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| 138 | } |
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| 139 | |
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| 140 | |
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[300] | 141 | void CContextServer::checkPendingRequest(void) |
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| 142 | { |
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| 143 | map<int,MPI_Request>::iterator it; |
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[549] | 144 | list<int> recvRequest; |
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[300] | 145 | list<int>::iterator itRecv; |
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[549] | 146 | int rank; |
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| 147 | int flag; |
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| 148 | int count; |
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| 149 | MPI_Status status; |
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[489] | 150 | |
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[300] | 151 | for(it=pendingRequest.begin();it!=pendingRequest.end();it++) |
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| 152 | { |
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[549] | 153 | rank=it->first; |
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| 154 | traceOff(); |
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| 155 | MPI_Test(& it->second, &flag, &status); |
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| 156 | traceOn(); |
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[300] | 157 | if (flag==true) |
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| 158 | { |
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[549] | 159 | recvRequest.push_back(rank); |
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| 160 | MPI_Get_count(&status,MPI_CHAR,&count); |
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| 161 | processRequest(rank,bufferRequest[rank],count); |
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[300] | 162 | } |
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| 163 | } |
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[489] | 164 | |
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| 165 | for(itRecv=recvRequest.begin();itRecv!=recvRequest.end();itRecv++) |
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[300] | 166 | { |
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[549] | 167 | pendingRequest.erase(*itRecv); |
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| 168 | bufferRequest.erase(*itRecv); |
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[300] | 169 | } |
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| 170 | } |
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[489] | 171 | |
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[300] | 172 | void CContextServer::processRequest(int rank, char* buff,int count) |
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| 173 | { |
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[489] | 174 | |
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[549] | 175 | CBufferIn buffer(buff,count); |
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| 176 | char* startBuffer,endBuffer; |
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| 177 | int size, offset; |
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| 178 | size_t timeLine; |
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| 179 | map<size_t,CEventServer*>::iterator it; |
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[489] | 180 | |
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[1225] | 181 | CTimer::get("Process request").resume(); |
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[300] | 182 | while(count>0) |
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| 183 | { |
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[549] | 184 | char* startBuffer=(char*)buffer.ptr(); |
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| 185 | CBufferIn newBuffer(startBuffer,buffer.remain()); |
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| 186 | newBuffer>>size>>timeLine; |
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[300] | 187 | |
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[549] | 188 | it=events.find(timeLine); |
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| 189 | if (it==events.end()) it=events.insert(pair<int,CEventServer*>(timeLine,new CEventServer)).first; |
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| 190 | it->second->push(rank,buffers[rank],startBuffer,size); |
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[300] | 191 | |
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[549] | 192 | buffer.advance(size); |
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| 193 | count=buffer.remain(); |
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[489] | 194 | } |
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[1225] | 195 | CTimer::get("Process request").suspend(); |
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[300] | 196 | } |
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[489] | 197 | |
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[300] | 198 | void CContextServer::processEvents(void) |
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| 199 | { |
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[549] | 200 | map<size_t,CEventServer*>::iterator it; |
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| 201 | CEventServer* event; |
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[489] | 202 | |
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[549] | 203 | it=events.find(currentTimeLine); |
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[489] | 204 | if (it!=events.end()) |
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[300] | 205 | { |
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[549] | 206 | event=it->second; |
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[509] | 207 | |
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[300] | 208 | if (event->isFull()) |
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| 209 | { |
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[597] | 210 | if (!scheduled && CServer::eventScheduler) // Skip event scheduling for attached mode and reception on client side |
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[492] | 211 | { |
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[549] | 212 | CServer::eventScheduler->registerEvent(currentTimeLine,hashId); |
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| 213 | scheduled=true; |
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[492] | 214 | } |
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[597] | 215 | else if (!CServer::eventScheduler || CServer::eventScheduler->queryEvent(currentTimeLine,hashId) ) |
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[492] | 216 | { |
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[851] | 217 | // When using attached mode, synchronise the processes to avoid that differents event be scheduled by differents processes |
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| 218 | // The best way to properly solve this problem will be to use the event scheduler also in attached mode |
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| 219 | // for now just set up a MPI barrier |
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[1130] | 220 | if (!CServer::eventScheduler && CXios::isServer) MPI_Barrier(intraComm) ; |
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[851] | 221 | |
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[549] | 222 | CTimer::get("Process events").resume(); |
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| 223 | dispatchEvent(*event); |
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| 224 | CTimer::get("Process events").suspend(); |
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| 225 | pendingEvent=false; |
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| 226 | delete event; |
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| 227 | events.erase(it); |
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| 228 | currentTimeLine++; |
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| 229 | scheduled = false; |
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[492] | 230 | } |
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| 231 | } |
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| 232 | } |
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| 233 | } |
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[489] | 234 | |
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[300] | 235 | CContextServer::~CContextServer() |
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| 236 | { |
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[549] | 237 | map<int,CServerBuffer*>::iterator it; |
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[1158] | 238 | for(it=buffers.begin();it!=buffers.end();++it) delete it->second; |
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[489] | 239 | } |
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[300] | 240 | |
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| 241 | void CContextServer::dispatchEvent(CEventServer& event) |
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| 242 | { |
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[549] | 243 | string contextName; |
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| 244 | string buff; |
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| 245 | int MsgSize; |
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| 246 | int rank; |
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| 247 | list<CEventServer::SSubEvent>::iterator it; |
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[1054] | 248 | StdString ctxId = context->getId(); |
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| 249 | CContext::setCurrent(ctxId); |
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[1130] | 250 | StdSize totalBuf = 0; |
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[489] | 251 | |
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[300] | 252 | if (event.classId==CContext::GetType() && event.type==CContext::EVENT_ID_CONTEXT_FINALIZE) |
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| 253 | { |
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[597] | 254 | finished=true; |
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[1194] | 255 | info(20)<<" CContextServer: Receive context <"<<context->getId()<<"> finalize."<<endl; |
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| 256 | context->finalize(); |
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[511] | 257 | std::map<int, StdSize>::const_iterator itbMap = mapBufferSize_.begin(), |
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[983] | 258 | iteMap = mapBufferSize_.end(), itMap; |
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[511] | 259 | for (itMap = itbMap; itMap != iteMap; ++itMap) |
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| 260 | { |
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[1054] | 261 | rank = itMap->first; |
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[1130] | 262 | report(10)<< " Memory report : Context <"<<ctxId<<"> : server side : memory used for buffer of each connection to client" << endl |
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| 263 | << " +) With client of rank " << rank << " : " << itMap->second << " bytes " << endl; |
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| 264 | totalBuf += itMap->second; |
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[511] | 265 | } |
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[1130] | 266 | report(0)<< " Memory report : Context <"<<ctxId<<"> : server side : total memory used for buffer "<<totalBuf<<" bytes"<<endl; |
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[300] | 267 | } |
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[549] | 268 | else if (event.classId==CContext::GetType()) CContext::dispatchEvent(event); |
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| 269 | else if (event.classId==CContextGroup::GetType()) CContextGroup::dispatchEvent(event); |
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| 270 | else if (event.classId==CCalendarWrapper::GetType()) CCalendarWrapper::dispatchEvent(event); |
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| 271 | else if (event.classId==CDomain::GetType()) CDomain::dispatchEvent(event); |
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| 272 | else if (event.classId==CDomainGroup::GetType()) CDomainGroup::dispatchEvent(event); |
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| 273 | else if (event.classId==CAxis::GetType()) CAxis::dispatchEvent(event); |
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| 274 | else if (event.classId==CAxisGroup::GetType()) CAxisGroup::dispatchEvent(event); |
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[887] | 275 | else if (event.classId==CScalar::GetType()) CScalar::dispatchEvent(event); |
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| 276 | else if (event.classId==CScalarGroup::GetType()) CScalarGroup::dispatchEvent(event); |
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[549] | 277 | else if (event.classId==CGrid::GetType()) CGrid::dispatchEvent(event); |
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| 278 | else if (event.classId==CGridGroup::GetType()) CGridGroup::dispatchEvent(event); |
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| 279 | else if (event.classId==CField::GetType()) CField::dispatchEvent(event); |
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| 280 | else if (event.classId==CFieldGroup::GetType()) CFieldGroup::dispatchEvent(event); |
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| 281 | else if (event.classId==CFile::GetType()) CFile::dispatchEvent(event); |
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| 282 | else if (event.classId==CFileGroup::GetType()) CFileGroup::dispatchEvent(event); |
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| 283 | else if (event.classId==CVariable::GetType()) CVariable::dispatchEvent(event); |
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[300] | 284 | else |
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| 285 | { |
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[549] | 286 | ERROR("void CContextServer::dispatchEvent(CEventServer& event)",<<" Bad event class Id"<<endl); |
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[300] | 287 | } |
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| 288 | } |
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| 289 | } |
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