[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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[1639] | 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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[1639] | 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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[1639] | 34 | MPI_Comm_test_inter(interComm,&flag); |
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[1757] | 35 | |
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| 36 | if (flag) attachedMode=false ; |
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| 37 | else attachedMode=true ; |
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| 38 | |
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[1639] | 39 | if (flag) MPI_Comm_remote_size(interComm,&commSize); |
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| 40 | else MPI_Comm_size(interComm,&commSize); |
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[983] | 41 | |
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[1757] | 42 | |
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| 43 | currentTimeLine=1; |
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[549] | 44 | scheduled=false; |
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| 45 | finished=false; |
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| 46 | boost::hash<string> hashString; |
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[1130] | 47 | if (CServer::serverLevel == 1) |
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| 48 | hashId=hashString(context->getId() + boost::lexical_cast<string>(context->clientPrimServer.size())); |
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| 49 | else |
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| 50 | hashId=hashString(context->getId()); |
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[1757] | 51 | |
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| 52 | if (!isAttachedModeEnabled()) |
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| 53 | { |
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| 54 | MPI_Intercomm_merge(interComm_,true,&interCommMerged) ; |
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| 55 | // create windows for one sided comm |
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| 56 | int interCommMergedRank; |
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| 57 | MPI_Comm winComm ; |
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| 58 | MPI_Comm_rank(intraComm, &interCommMergedRank); |
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| 59 | windows.resize(2) ; |
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| 60 | for(int rank=commSize; rank<commSize+intraCommSize; rank++) |
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| 61 | { |
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| 62 | if (rank==commSize+interCommMergedRank) |
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| 63 | { |
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| 64 | MPI_Comm_split(interCommMerged, interCommMergedRank, rank, &winComm); |
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| 65 | int myRank ; |
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| 66 | MPI_Comm_rank(winComm,&myRank); |
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| 67 | MPI_Win_create_dynamic(MPI_INFO_NULL, winComm, &windows[0]); |
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| 68 | MPI_Win_create_dynamic(MPI_INFO_NULL, winComm, &windows[1]); |
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| 69 | } |
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| 70 | else MPI_Comm_split(interCommMerged, interCommMergedRank, rank, &winComm); |
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| 71 | MPI_Comm_free(&winComm) ; |
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| 72 | } |
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| 73 | } |
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| 74 | else |
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| 75 | { |
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| 76 | windows.resize(2) ; |
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| 77 | windows[0]=MPI_WIN_NULL ; |
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| 78 | windows[1]=MPI_WIN_NULL ; |
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| 79 | } |
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| 80 | |
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| 81 | |
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| 82 | |
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| 83 | MPI_Comm_split(intraComm_,intraCommRank,intraCommRank, &commSelf) ; |
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| 84 | itLastTimeLine=lastTimeLine.begin() ; |
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| 85 | |
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| 86 | pureOneSided=CXios::getin<bool>("pure_one_sided",false); // pure one sided communication (for test) |
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| 87 | if (isAttachedModeEnabled()) pureOneSided=false ; // no one sided in attach mode |
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| 88 | |
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[300] | 89 | } |
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[992] | 90 | |
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[1757] | 91 | //! Attached mode is used ? |
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| 92 | //! \return true if attached mode is used, false otherwise |
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| 93 | bool CContextServer::isAttachedModeEnabled() const |
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| 94 | { |
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| 95 | return attachedMode ; |
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| 96 | } |
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| 97 | |
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[300] | 98 | void CContextServer::setPendingEvent(void) |
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| 99 | { |
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[549] | 100 | pendingEvent=true; |
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[300] | 101 | } |
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[489] | 102 | |
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[300] | 103 | bool CContextServer::hasPendingEvent(void) |
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| 104 | { |
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[549] | 105 | return pendingEvent; |
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[300] | 106 | } |
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[489] | 107 | |
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[597] | 108 | bool CContextServer::hasFinished(void) |
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| 109 | { |
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| 110 | return finished; |
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| 111 | } |
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| 112 | |
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[1054] | 113 | bool CContextServer::eventLoop(bool enableEventsProcessing /*= true*/) |
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[300] | 114 | { |
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[549] | 115 | listen(); |
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| 116 | checkPendingRequest(); |
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[1757] | 117 | if (enableEventsProcessing) processEvents(); |
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[549] | 118 | return finished; |
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[300] | 119 | } |
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| 120 | |
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| 121 | void CContextServer::listen(void) |
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| 122 | { |
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| 123 | int rank; |
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[549] | 124 | int flag; |
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| 125 | int count; |
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| 126 | char * addr; |
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[1639] | 127 | MPI_Status status; |
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[300] | 128 | map<int,CServerBuffer*>::iterator it; |
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[1230] | 129 | bool okLoop; |
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[489] | 130 | |
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[1225] | 131 | traceOff(); |
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| 132 | MPI_Iprobe(MPI_ANY_SOURCE, 20,interComm,&flag,&status); |
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| 133 | traceOn(); |
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| 134 | |
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| 135 | if (flag==true) |
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[300] | 136 | { |
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[1225] | 137 | rank=status.MPI_SOURCE ; |
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[1230] | 138 | okLoop = true; |
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[1228] | 139 | if (pendingRequest.find(rank)==pendingRequest.end()) |
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| 140 | okLoop = !listenPendingRequest(status) ; |
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| 141 | if (okLoop) |
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[300] | 142 | { |
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[1225] | 143 | for(rank=0;rank<commSize;rank++) |
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[300] | 144 | { |
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[1225] | 145 | if (pendingRequest.find(rank)==pendingRequest.end()) |
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[300] | 146 | { |
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[1225] | 147 | |
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| 148 | traceOff(); |
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[1639] | 149 | MPI_Iprobe(rank, 20,interComm,&flag,&status); |
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[1225] | 150 | traceOn(); |
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| 151 | if (flag==true) listenPendingRequest(status) ; |
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[300] | 152 | } |
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| 153 | } |
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| 154 | } |
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| 155 | } |
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| 156 | } |
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[489] | 157 | |
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[1639] | 158 | bool CContextServer::listenPendingRequest(MPI_Status& status) |
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[1225] | 159 | { |
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| 160 | int count; |
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| 161 | char * addr; |
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| 162 | map<int,CServerBuffer*>::iterator it; |
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| 163 | int rank=status.MPI_SOURCE ; |
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| 164 | |
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| 165 | it=buffers.find(rank); |
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| 166 | if (it==buffers.end()) // Receive the buffer size and allocate the buffer |
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| 167 | { |
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[1757] | 168 | MPI_Aint recvBuff[3] ; |
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| 169 | MPI_Recv(recvBuff, 3, MPI_AINT, rank, 20, interComm, &status); |
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| 170 | StdSize buffSize = recvBuff[0]; |
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| 171 | vector<MPI_Aint> winAdress(2) ; |
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| 172 | winAdress[0]=recvBuff[1] ; winAdress[1]=recvBuff[2] ; |
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[1225] | 173 | mapBufferSize_.insert(std::make_pair(rank, buffSize)); |
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[1757] | 174 | it=(buffers.insert(pair<int,CServerBuffer*>(rank,new CServerBuffer(windows, winAdress, rank, buffSize)))).first; |
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| 175 | /* |
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| 176 | if (!isAttachedModeEnabled()) |
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| 177 | { |
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| 178 | MPI_Comm OneSidedInterComm, oneSidedComm ; |
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| 179 | MPI_Intercomm_create(commSelf, 0, interCommMerged, rank, 0, &OneSidedInterComm ); |
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| 180 | MPI_Intercomm_merge(OneSidedInterComm,true,&oneSidedComm); |
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| 181 | buffers[rank]->createWindows(oneSidedComm) ; |
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| 182 | } |
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| 183 | */ |
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| 184 | lastTimeLine[rank]=0 ; |
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| 185 | itLastTimeLine=lastTimeLine.begin() ; |
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| 186 | |
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[1228] | 187 | return true; |
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[1225] | 188 | } |
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| 189 | else |
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| 190 | { |
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[1639] | 191 | MPI_Get_count(&status,MPI_CHAR,&count); |
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[1225] | 192 | if (it->second->isBufferFree(count)) |
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| 193 | { |
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| 194 | addr=(char*)it->second->getBuffer(count); |
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[1639] | 195 | MPI_Irecv(addr,count,MPI_CHAR,rank,20,interComm,&pendingRequest[rank]); |
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[1225] | 196 | bufferRequest[rank]=addr; |
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[1228] | 197 | return true; |
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[1225] | 198 | } |
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[1228] | 199 | else |
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| 200 | return false; |
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[1225] | 201 | } |
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| 202 | } |
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| 203 | |
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| 204 | |
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[300] | 205 | void CContextServer::checkPendingRequest(void) |
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| 206 | { |
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[1639] | 207 | map<int,MPI_Request>::iterator it; |
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[549] | 208 | list<int> recvRequest; |
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[300] | 209 | list<int>::iterator itRecv; |
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[549] | 210 | int rank; |
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| 211 | int flag; |
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| 212 | int count; |
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[1639] | 213 | MPI_Status status; |
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[489] | 214 | |
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[300] | 215 | for(it=pendingRequest.begin();it!=pendingRequest.end();it++) |
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| 216 | { |
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[549] | 217 | rank=it->first; |
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| 218 | traceOff(); |
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[1639] | 219 | MPI_Test(& it->second, &flag, &status); |
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[549] | 220 | traceOn(); |
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[300] | 221 | if (flag==true) |
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| 222 | { |
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[1757] | 223 | buffers[rank]->updateCurrentWindows() ; |
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[549] | 224 | recvRequest.push_back(rank); |
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[1639] | 225 | MPI_Get_count(&status,MPI_CHAR,&count); |
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[549] | 226 | processRequest(rank,bufferRequest[rank],count); |
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[300] | 227 | } |
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| 228 | } |
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[489] | 229 | |
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| 230 | for(itRecv=recvRequest.begin();itRecv!=recvRequest.end();itRecv++) |
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[300] | 231 | { |
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[549] | 232 | pendingRequest.erase(*itRecv); |
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| 233 | bufferRequest.erase(*itRecv); |
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[300] | 234 | } |
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| 235 | } |
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[489] | 236 | |
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[1757] | 237 | void CContextServer::getBufferFromClient(size_t timeLine) |
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| 238 | { |
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| 239 | if (!isAttachedModeEnabled()) // one sided desactivated in attached mode |
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| 240 | { |
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| 241 | int rank ; |
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| 242 | char *buffer ; |
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| 243 | size_t count ; |
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| 244 | |
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| 245 | if (itLastTimeLine==lastTimeLine.end()) itLastTimeLine=lastTimeLine.begin() ; |
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| 246 | for(;itLastTimeLine!=lastTimeLine.end();++itLastTimeLine) |
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| 247 | { |
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| 248 | rank=itLastTimeLine->first ; |
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| 249 | if (itLastTimeLine->second < timeLine && pendingRequest.count(rank)==0) |
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| 250 | { |
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| 251 | if (buffers[rank]->getBufferFromClient(timeLine, buffer, count)) |
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| 252 | { |
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| 253 | processRequest(rank, buffer, count); |
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| 254 | break ; |
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| 255 | } |
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| 256 | } |
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| 257 | } |
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| 258 | } |
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| 259 | } |
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| 260 | |
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| 261 | |
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[300] | 262 | void CContextServer::processRequest(int rank, char* buff,int count) |
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| 263 | { |
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[489] | 264 | |
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[549] | 265 | CBufferIn buffer(buff,count); |
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| 266 | char* startBuffer,endBuffer; |
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| 267 | int size, offset; |
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[1757] | 268 | size_t timeLine=0; |
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[549] | 269 | map<size_t,CEventServer*>::iterator it; |
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[489] | 270 | |
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[1757] | 271 | |
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[1225] | 272 | CTimer::get("Process request").resume(); |
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[300] | 273 | while(count>0) |
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| 274 | { |
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[549] | 275 | char* startBuffer=(char*)buffer.ptr(); |
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| 276 | CBufferIn newBuffer(startBuffer,buffer.remain()); |
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| 277 | newBuffer>>size>>timeLine; |
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| 278 | it=events.find(timeLine); |
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| 279 | if (it==events.end()) it=events.insert(pair<int,CEventServer*>(timeLine,new CEventServer)).first; |
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| 280 | it->second->push(rank,buffers[rank],startBuffer,size); |
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[300] | 281 | |
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[549] | 282 | buffer.advance(size); |
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| 283 | count=buffer.remain(); |
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[489] | 284 | } |
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[1757] | 285 | |
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| 286 | if (timeLine>0) lastTimeLine[rank]=timeLine ; |
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| 287 | |
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[1225] | 288 | CTimer::get("Process request").suspend(); |
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[300] | 289 | } |
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[489] | 290 | |
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[300] | 291 | void CContextServer::processEvents(void) |
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| 292 | { |
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[549] | 293 | map<size_t,CEventServer*>::iterator it; |
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| 294 | CEventServer* event; |
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[489] | 295 | |
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[549] | 296 | it=events.find(currentTimeLine); |
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[489] | 297 | if (it!=events.end()) |
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[300] | 298 | { |
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[549] | 299 | event=it->second; |
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[509] | 300 | |
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[300] | 301 | if (event->isFull()) |
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| 302 | { |
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[597] | 303 | if (!scheduled && CServer::eventScheduler) // Skip event scheduling for attached mode and reception on client side |
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[492] | 304 | { |
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[549] | 305 | CServer::eventScheduler->registerEvent(currentTimeLine,hashId); |
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| 306 | scheduled=true; |
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[492] | 307 | } |
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[597] | 308 | else if (!CServer::eventScheduler || CServer::eventScheduler->queryEvent(currentTimeLine,hashId) ) |
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[492] | 309 | { |
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[851] | 310 | // When using attached mode, synchronise the processes to avoid that differents event be scheduled by differents processes |
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| 311 | // The best way to properly solve this problem will be to use the event scheduler also in attached mode |
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| 312 | // for now just set up a MPI barrier |
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[1639] | 313 | if (!CServer::eventScheduler && CXios::isServer) MPI_Barrier(intraComm) ; |
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[851] | 314 | |
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[549] | 315 | CTimer::get("Process events").resume(); |
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| 316 | dispatchEvent(*event); |
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| 317 | CTimer::get("Process events").suspend(); |
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| 318 | pendingEvent=false; |
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| 319 | delete event; |
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| 320 | events.erase(it); |
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| 321 | currentTimeLine++; |
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| 322 | scheduled = false; |
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[492] | 323 | } |
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| 324 | } |
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[1757] | 325 | else getBufferFromClient(currentTimeLine) ; |
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[492] | 326 | } |
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[1757] | 327 | else if (pureOneSided) getBufferFromClient(currentTimeLine) ; // if pure one sided check buffer even if no event recorded at current time line |
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[492] | 328 | } |
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[489] | 329 | |
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[300] | 330 | CContextServer::~CContextServer() |
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| 331 | { |
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[549] | 332 | map<int,CServerBuffer*>::iterator it; |
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[1158] | 333 | for(it=buffers.begin();it!=buffers.end();++it) delete it->second; |
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[489] | 334 | } |
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[300] | 335 | |
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[1757] | 336 | void CContextServer::releaseBuffers() |
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| 337 | { |
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| 338 | map<int,CServerBuffer*>::iterator it; |
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| 339 | bool out ; |
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| 340 | do |
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| 341 | { |
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| 342 | out=true ; |
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| 343 | for(it=buffers.begin();it!=buffers.end();++it) |
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| 344 | { |
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| 345 | // out = out && it->second->freeWindows() ; |
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| 346 | |
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| 347 | } |
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| 348 | } while (! out) ; |
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| 349 | } |
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| 350 | |
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| 351 | void CContextServer::notifyClientsFinalize(void) |
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| 352 | { |
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| 353 | for(auto it=buffers.begin();it!=buffers.end();++it) |
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| 354 | { |
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| 355 | it->second->notifyClientFinalize() ; |
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| 356 | } |
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| 357 | } |
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| 358 | |
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[300] | 359 | void CContextServer::dispatchEvent(CEventServer& event) |
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| 360 | { |
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[549] | 361 | string contextName; |
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| 362 | string buff; |
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| 363 | int MsgSize; |
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| 364 | int rank; |
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| 365 | list<CEventServer::SSubEvent>::iterator it; |
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[1054] | 366 | StdString ctxId = context->getId(); |
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| 367 | CContext::setCurrent(ctxId); |
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[1130] | 368 | StdSize totalBuf = 0; |
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[489] | 369 | |
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[300] | 370 | if (event.classId==CContext::GetType() && event.type==CContext::EVENT_ID_CONTEXT_FINALIZE) |
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| 371 | { |
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[597] | 372 | finished=true; |
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[1194] | 373 | info(20)<<" CContextServer: Receive context <"<<context->getId()<<"> finalize."<<endl; |
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[1757] | 374 | // releaseBuffers() ; |
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| 375 | notifyClientsFinalize() ; |
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[1194] | 376 | context->finalize(); |
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[1757] | 377 | |
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| 378 | /* don't know where release windows |
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| 379 | MPI_Win_free(&windows[0]) ; |
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| 380 | MPI_Win_free(&windows[1]) ; |
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| 381 | */ |
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[511] | 382 | std::map<int, StdSize>::const_iterator itbMap = mapBufferSize_.begin(), |
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[983] | 383 | iteMap = mapBufferSize_.end(), itMap; |
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[511] | 384 | for (itMap = itbMap; itMap != iteMap; ++itMap) |
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| 385 | { |
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[1054] | 386 | rank = itMap->first; |
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[1130] | 387 | report(10)<< " Memory report : Context <"<<ctxId<<"> : server side : memory used for buffer of each connection to client" << endl |
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| 388 | << " +) With client of rank " << rank << " : " << itMap->second << " bytes " << endl; |
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| 389 | totalBuf += itMap->second; |
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[511] | 390 | } |
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[1130] | 391 | report(0)<< " Memory report : Context <"<<ctxId<<"> : server side : total memory used for buffer "<<totalBuf<<" bytes"<<endl; |
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[300] | 392 | } |
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[549] | 393 | else if (event.classId==CContext::GetType()) CContext::dispatchEvent(event); |
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| 394 | else if (event.classId==CContextGroup::GetType()) CContextGroup::dispatchEvent(event); |
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| 395 | else if (event.classId==CCalendarWrapper::GetType()) CCalendarWrapper::dispatchEvent(event); |
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| 396 | else if (event.classId==CDomain::GetType()) CDomain::dispatchEvent(event); |
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| 397 | else if (event.classId==CDomainGroup::GetType()) CDomainGroup::dispatchEvent(event); |
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| 398 | else if (event.classId==CAxis::GetType()) CAxis::dispatchEvent(event); |
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| 399 | else if (event.classId==CAxisGroup::GetType()) CAxisGroup::dispatchEvent(event); |
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[887] | 400 | else if (event.classId==CScalar::GetType()) CScalar::dispatchEvent(event); |
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| 401 | else if (event.classId==CScalarGroup::GetType()) CScalarGroup::dispatchEvent(event); |
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[549] | 402 | else if (event.classId==CGrid::GetType()) CGrid::dispatchEvent(event); |
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| 403 | else if (event.classId==CGridGroup::GetType()) CGridGroup::dispatchEvent(event); |
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| 404 | else if (event.classId==CField::GetType()) CField::dispatchEvent(event); |
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| 405 | else if (event.classId==CFieldGroup::GetType()) CFieldGroup::dispatchEvent(event); |
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| 406 | else if (event.classId==CFile::GetType()) CFile::dispatchEvent(event); |
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| 407 | else if (event.classId==CFileGroup::GetType()) CFileGroup::dispatchEvent(event); |
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| 408 | else if (event.classId==CVariable::GetType()) CVariable::dispatchEvent(event); |
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[300] | 409 | else |
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| 410 | { |
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[549] | 411 | ERROR("void CContextServer::dispatchEvent(CEventServer& event)",<<" Bad event class Id"<<endl); |
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[300] | 412 | } |
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| 413 | } |
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| 414 | } |
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