[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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[1328] | 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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[1328] | 20 | using namespace ep_lib; |
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[300] | 21 | |
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[335] | 22 | namespace xios |
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[300] | 23 | { |
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| 24 | |
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[1328] | 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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| 31 | interComm=interComm_; |
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| 32 | int flag; |
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| 33 | MPI_Comm_test_inter(interComm,&flag); |
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[300] | 34 | if (flag) MPI_Comm_remote_size(interComm,&commSize); |
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[549] | 35 | else MPI_Comm_size(interComm,&commSize); |
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| 36 | currentTimeLine=0; |
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| 37 | scheduled=false; |
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| 38 | finished=false; |
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[509] | 39 | |
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[549] | 40 | boost::hash<string> hashString; |
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| 41 | hashId=hashString(context->getId()); |
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[492] | 42 | |
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[300] | 43 | } |
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| 44 | void CContextServer::setPendingEvent(void) |
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| 45 | { |
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[549] | 46 | pendingEvent=true; |
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[300] | 47 | } |
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[489] | 48 | |
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[300] | 49 | bool CContextServer::hasPendingEvent(void) |
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| 50 | { |
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[549] | 51 | return pendingEvent; |
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[300] | 52 | } |
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[489] | 53 | |
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[597] | 54 | bool CContextServer::hasFinished(void) |
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| 55 | { |
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| 56 | return finished; |
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| 57 | } |
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| 58 | |
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[1033] | 59 | bool CContextServer::eventLoop(bool enableEventsProcessing /*= true*/) |
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[300] | 60 | { |
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[549] | 61 | listen(); |
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| 62 | checkPendingRequest(); |
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[1033] | 63 | if (enableEventsProcessing) |
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| 64 | processEvents(); |
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[549] | 65 | return finished; |
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[300] | 66 | } |
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| 67 | |
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| 68 | void CContextServer::listen(void) |
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| 69 | { |
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| 70 | int rank; |
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[549] | 71 | int flag; |
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| 72 | int count; |
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| 73 | char * addr; |
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[1328] | 74 | MPI_Status status; |
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[300] | 75 | map<int,CServerBuffer*>::iterator it; |
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[1328] | 76 | bool okLoop; |
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[489] | 77 | |
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[1328] | 78 | traceOff(); |
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| 79 | MPI_Iprobe(-2, 20,interComm,&flag,&status); |
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| 80 | traceOn(); |
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| 81 | |
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| 82 | if (flag==true) |
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[300] | 83 | { |
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[1328] | 84 | #ifdef _usingMPI |
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| 85 | rank=status.MPI_SOURCE ; |
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| 86 | #elif _usingEP |
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| 87 | rank=status.ep_src ; |
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| 88 | #endif |
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| 89 | okLoop = true; |
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[300] | 90 | if (pendingRequest.find(rank)==pendingRequest.end()) |
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[1328] | 91 | okLoop = !listenPendingRequest(status) ; |
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| 92 | if (okLoop) |
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[300] | 93 | { |
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[1328] | 94 | for(rank=0;rank<commSize;rank++) |
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[300] | 95 | { |
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[1328] | 96 | if (pendingRequest.find(rank)==pendingRequest.end()) |
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[300] | 97 | { |
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[1328] | 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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[1328] | 109 | bool CContextServer::listenPendingRequest(MPI_Status& status) |
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| 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 | #ifdef _usingMPI |
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| 115 | int rank=status.MPI_SOURCE ; |
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| 116 | #elif _usingEP |
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| 117 | int rank=status.ep_src; |
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| 118 | #endif |
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| 119 | |
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| 120 | it=buffers.find(rank); |
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| 121 | if (it==buffers.end()) // Receive the buffer size and allocate the buffer |
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| 122 | { |
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| 123 | StdSize buffSize = 0; |
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| 124 | MPI_Recv(&buffSize, 1, MPI_LONG, rank, 20, interComm, &status); |
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| 125 | mapBufferSize_.insert(std::make_pair(rank, buffSize)); |
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| 126 | it=(buffers.insert(pair<int,CServerBuffer*>(rank,new CServerBuffer(buffSize)))).first; |
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| 127 | return true; |
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| 128 | } |
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| 129 | else |
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| 130 | { |
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| 131 | MPI_Get_count(&status,MPI_CHAR,&count); |
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| 132 | if (it->second->isBufferFree(count)) |
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| 133 | { |
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| 134 | addr=(char*)it->second->getBuffer(count); |
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| 135 | MPI_Irecv(addr,count,MPI_CHAR,rank,20,interComm,&pendingRequest[rank]); |
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| 136 | bufferRequest[rank]=addr; |
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| 137 | return true; |
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| 138 | } |
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| 139 | else |
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| 140 | return false; |
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| 141 | } |
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| 142 | } |
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| 143 | |
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[300] | 144 | void CContextServer::checkPendingRequest(void) |
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| 145 | { |
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[1328] | 146 | map<int,MPI_Request>::iterator it; |
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[549] | 147 | list<int> recvRequest; |
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[300] | 148 | list<int>::iterator itRecv; |
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[549] | 149 | int rank; |
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| 150 | int flag; |
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| 151 | int count; |
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[1328] | 152 | MPI_Status status; |
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[489] | 153 | |
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[1328] | 154 | for(it=pendingRequest.begin();it!=pendingRequest.end();it++) |
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[300] | 155 | { |
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[549] | 156 | rank=it->first; |
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| 157 | traceOff(); |
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[1328] | 158 | MPI_Test(& it->second, &flag, &status); |
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[549] | 159 | traceOn(); |
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[300] | 160 | if (flag==true) |
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| 161 | { |
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[549] | 162 | recvRequest.push_back(rank); |
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[1328] | 163 | MPI_Get_count(&status,MPI_CHAR,&count); |
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[549] | 164 | processRequest(rank,bufferRequest[rank],count); |
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[300] | 165 | } |
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| 166 | } |
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[489] | 167 | |
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| 168 | for(itRecv=recvRequest.begin();itRecv!=recvRequest.end();itRecv++) |
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[300] | 169 | { |
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[549] | 170 | pendingRequest.erase(*itRecv); |
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| 171 | bufferRequest.erase(*itRecv); |
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[300] | 172 | } |
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| 173 | } |
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[489] | 174 | |
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[300] | 175 | void CContextServer::processRequest(int rank, char* buff,int count) |
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| 176 | { |
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[489] | 177 | |
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[549] | 178 | CBufferIn buffer(buff,count); |
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| 179 | char* startBuffer,endBuffer; |
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| 180 | int size, offset; |
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| 181 | size_t timeLine; |
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| 182 | map<size_t,CEventServer*>::iterator it; |
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[489] | 183 | |
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[300] | 184 | while(count>0) |
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| 185 | { |
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[549] | 186 | char* startBuffer=(char*)buffer.ptr(); |
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| 187 | CBufferIn newBuffer(startBuffer,buffer.remain()); |
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| 188 | newBuffer>>size>>timeLine; |
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[300] | 189 | |
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[549] | 190 | it=events.find(timeLine); |
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| 191 | if (it==events.end()) it=events.insert(pair<int,CEventServer*>(timeLine,new CEventServer)).first; |
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| 192 | it->second->push(rank,buffers[rank],startBuffer,size); |
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[300] | 193 | |
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[549] | 194 | buffer.advance(size); |
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| 195 | count=buffer.remain(); |
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[489] | 196 | } |
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| 197 | |
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[300] | 198 | } |
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[489] | 199 | |
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[300] | 200 | void CContextServer::processEvents(void) |
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| 201 | { |
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[549] | 202 | map<size_t,CEventServer*>::iterator it; |
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| 203 | CEventServer* event; |
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[489] | 204 | |
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[549] | 205 | it=events.find(currentTimeLine); |
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[489] | 206 | if (it!=events.end()) |
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[300] | 207 | { |
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[549] | 208 | event=it->second; |
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[509] | 209 | |
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[300] | 210 | if (event->isFull()) |
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| 211 | { |
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[597] | 212 | if (!scheduled && CServer::eventScheduler) // Skip event scheduling for attached mode and reception on client side |
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[492] | 213 | { |
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[549] | 214 | CServer::eventScheduler->registerEvent(currentTimeLine,hashId); |
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| 215 | scheduled=true; |
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[492] | 216 | } |
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[597] | 217 | else if (!CServer::eventScheduler || CServer::eventScheduler->queryEvent(currentTimeLine,hashId) ) |
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[492] | 218 | { |
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[851] | 219 | // When using attached mode, synchronise the processes to avoid that differents event be scheduled by differents processes |
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| 220 | // The best way to properly solve this problem will be to use the event scheduler also in attached mode |
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| 221 | // for now just set up a MPI barrier |
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[998] | 222 | if (!CServer::eventScheduler && CXios::isServer) MPI_Barrier(intraComm) ; |
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[851] | 223 | |
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[549] | 224 | CTimer::get("Process events").resume(); |
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| 225 | dispatchEvent(*event); |
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| 226 | CTimer::get("Process events").suspend(); |
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| 227 | pendingEvent=false; |
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| 228 | delete event; |
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| 229 | events.erase(it); |
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| 230 | currentTimeLine++; |
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| 231 | scheduled = false; |
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[492] | 232 | } |
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| 233 | } |
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| 234 | } |
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| 235 | } |
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[489] | 236 | |
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[300] | 237 | CContextServer::~CContextServer() |
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| 238 | { |
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[549] | 239 | map<int,CServerBuffer*>::iterator it; |
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| 240 | for(it=buffers.begin();it!=buffers.end();++it) delete it->second; |
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[489] | 241 | } |
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[300] | 242 | |
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| 243 | |
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| 244 | void CContextServer::dispatchEvent(CEventServer& event) |
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| 245 | { |
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[549] | 246 | string contextName; |
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| 247 | string buff; |
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| 248 | int MsgSize; |
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| 249 | int rank; |
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| 250 | list<CEventServer::SSubEvent>::iterator it; |
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| 251 | CContext::setCurrent(context->getId()); |
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[489] | 252 | |
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[300] | 253 | if (event.classId==CContext::GetType() && event.type==CContext::EVENT_ID_CONTEXT_FINALIZE) |
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| 254 | { |
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[597] | 255 | finished=true; |
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[1342] | 256 | #pragma omp critical (_output) |
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| 257 | info(20)<<"Server Side context <"<<context->getId()<<"> finalized"<<endl; |
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[511] | 258 | std::map<int, StdSize>::const_iterator itbMap = mapBufferSize_.begin(), |
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| 259 | iteMap = mapBufferSize_.end(), itMap; |
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| 260 | StdSize totalBuf = 0; |
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| 261 | for (itMap = itbMap; itMap != iteMap; ++itMap) |
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| 262 | { |
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[1338] | 263 | //report(10)<< " Memory report : Context <"<<context->getId()<<"> : server side : memory used for buffer of each connection to client" << endl |
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| 264 | // << " +) With client of rank " << itMap->first << " : " << itMap->second << " bytes " << endl; |
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[511] | 265 | totalBuf += itMap->second; |
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| 266 | } |
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[549] | 267 | context->finalize(); |
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[1338] | 268 | //report(0)<< " Memory report : Context <"<<context->getId()<<"> : server side : total memory used for buffer "<<totalBuf<<" bytes"<<endl; |
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[300] | 269 | } |
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[549] | 270 | else if (event.classId==CContext::GetType()) CContext::dispatchEvent(event); |
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| 271 | else if (event.classId==CContextGroup::GetType()) CContextGroup::dispatchEvent(event); |
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| 272 | else if (event.classId==CCalendarWrapper::GetType()) CCalendarWrapper::dispatchEvent(event); |
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| 273 | else if (event.classId==CDomain::GetType()) CDomain::dispatchEvent(event); |
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| 274 | else if (event.classId==CDomainGroup::GetType()) CDomainGroup::dispatchEvent(event); |
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| 275 | else if (event.classId==CAxis::GetType()) CAxis::dispatchEvent(event); |
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| 276 | else if (event.classId==CAxisGroup::GetType()) CAxisGroup::dispatchEvent(event); |
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[887] | 277 | else if (event.classId==CScalar::GetType()) CScalar::dispatchEvent(event); |
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| 278 | else if (event.classId==CScalarGroup::GetType()) CScalarGroup::dispatchEvent(event); |
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[549] | 279 | else if (event.classId==CGrid::GetType()) CGrid::dispatchEvent(event); |
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| 280 | else if (event.classId==CGridGroup::GetType()) CGridGroup::dispatchEvent(event); |
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| 281 | else if (event.classId==CField::GetType()) CField::dispatchEvent(event); |
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| 282 | else if (event.classId==CFieldGroup::GetType()) CFieldGroup::dispatchEvent(event); |
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| 283 | else if (event.classId==CFile::GetType()) CFile::dispatchEvent(event); |
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| 284 | else if (event.classId==CFileGroup::GetType()) CFileGroup::dispatchEvent(event); |
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| 285 | else if (event.classId==CVariable::GetType()) CVariable::dispatchEvent(event); |
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[300] | 286 | else |
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| 287 | { |
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[549] | 288 | ERROR("void CContextServer::dispatchEvent(CEventServer& event)",<<" Bad event class Id"<<endl); |
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[300] | 289 | } |
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| 290 | } |
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| 291 | } |
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