[1761] | 1 | #include "servers_ressource.hpp" |
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| 2 | #include "window_manager.hpp" |
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| 3 | #include "ressources_manager.hpp" |
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| 4 | #include "pool_ressource.hpp" |
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| 5 | #include "cxios.hpp" |
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| 6 | #include "mpi.hpp" |
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| 7 | #include <vector> |
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| 8 | #include <string> |
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| 9 | |
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| 10 | |
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| 11 | |
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| 12 | |
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| 13 | namespace xios |
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| 14 | { |
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| 15 | using namespace std ; |
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| 16 | |
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| 17 | CServersRessource::CServersRessource(MPI_Comm serverComm) : poolRessource_(nullptr), finalizeSignal_(false) |
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| 18 | { |
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| 19 | |
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| 20 | MPI_Comm_dup(serverComm, &serverComm_) ; |
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| 21 | MPI_Comm xiosComm=CXios::getXiosComm() ; |
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| 22 | |
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| 23 | int localRank, globalRank ; |
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| 24 | MPI_Comm_rank(xiosComm,&globalRank) ; |
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| 25 | MPI_Comm_rank(serverComm_,&localRank) ; |
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| 26 | |
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| 27 | winNotify_ = new CWindowManager(serverComm_, maxBufferSize_) ; |
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| 28 | |
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| 29 | if (localRank==localLeader_) |
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| 30 | { |
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| 31 | int commSize ; |
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| 32 | MPI_Comm_size(serverComm_,&commSize) ; |
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| 33 | CXios::getRessourcesManager()->registerServerLeader(globalRank) ; |
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| 34 | CXios::getRessourcesManager()->registerRessourcesSize(commSize) ; |
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| 35 | freeRessourcesRank_.resize(commSize) ; |
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| 36 | for(int i=0;i<commSize;i++) freeRessourcesRank_[i]=i ; |
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| 37 | } |
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| 38 | |
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| 39 | MPI_Comm_dup(serverComm_, &freeRessourcesComm_) ; |
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| 40 | } |
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| 41 | |
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| 42 | void CServersRessource::createPool(const string& poolId, const int size) |
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| 43 | { |
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| 44 | int commSize ; |
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| 45 | MPI_Comm_size(serverComm_,&commSize) ; |
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| 46 | vector<int> newFreeRessourcesRank(freeRessourcesRank_.size()-size) ; |
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| 47 | |
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| 48 | bool isPartOf ; |
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| 49 | |
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| 50 | for(int i=0; i<freeRessourcesRank_.size();i++) |
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| 51 | { |
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| 52 | if (i<size) isPartOf=true ; |
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| 53 | else |
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| 54 | { |
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| 55 | isPartOf=false ; |
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| 56 | newFreeRessourcesRank[i]=freeRessourcesRank_[i] ; |
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| 57 | } |
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| 58 | |
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| 59 | notifyType_=NOTIFY_CREATE_POOL ; |
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| 60 | notifyCreatePool_ = make_tuple(poolId, isPartOf) ; |
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| 61 | sendNotification(freeRessourcesRank_[i]) ; |
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| 62 | } |
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| 63 | freeRessourcesRank_ = std::move(newFreeRessourcesRank) ; |
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| 64 | } |
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| 65 | |
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| 66 | void CServersRessource::finalize(void) |
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| 67 | { |
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| 68 | int commSize ; |
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| 69 | MPI_Comm_size(serverComm_,&commSize) ; |
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| 70 | |
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| 71 | for(int rank=0; rank<commSize;rank++) |
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| 72 | { |
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| 73 | notifyType_=NOTIFY_FINALIZE ; |
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| 74 | sendNotification(rank) ; |
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| 75 | } |
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| 76 | } |
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| 77 | |
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| 78 | void CServersRessource::sendNotification(int rank) |
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| 79 | { |
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| 80 | winNotify_->lockWindow(rank,0) ; |
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| 81 | winNotify_->pushToWindow(rank, this, &CServersRessource::notificationsDumpOut) ; |
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| 82 | winNotify_->unlockWindow(rank,0) ; |
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| 83 | } |
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| 84 | |
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| 85 | |
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| 86 | void CServersRessource::notificationsDumpOut(CBufferOut& buffer) |
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| 87 | { |
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| 88 | |
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| 89 | buffer.realloc(maxBufferSize_) ; |
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| 90 | |
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| 91 | if (notifyType_==NOTIFY_CREATE_POOL) |
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| 92 | { |
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| 93 | auto& arg=notifyCreatePool_ ; |
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| 94 | buffer << notifyType_ << std::get<0>(arg) << std::get<1>(arg) ; |
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| 95 | } |
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| 96 | else if (notifyType_==NOTIFY_FINALIZE) buffer << notifyType_ ; |
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| 97 | } |
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| 98 | |
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| 99 | void CServersRessource::notificationsDumpIn(CBufferIn& buffer) |
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| 100 | { |
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| 101 | if (buffer.bufferSize() == 0) notifyType_= NOTIFY_NOTHING ; |
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| 102 | else |
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| 103 | { |
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| 104 | buffer>>notifyType_; |
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| 105 | if (notifyType_==NOTIFY_CREATE_POOL) |
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| 106 | { |
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| 107 | auto& arg=notifyCreatePool_ ; |
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| 108 | buffer >> std::get<0>(arg) >> std::get<1>(arg) ; |
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| 109 | } |
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| 110 | else if (notifyType_==NOTIFY_FINALIZE) { /*nothing to do*/} |
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| 111 | } |
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| 112 | } |
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| 113 | |
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| 114 | bool CServersRessource::eventLoop() |
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| 115 | { |
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| 116 | checkNotifications() ; |
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| 117 | if (poolRessource_!=nullptr) |
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| 118 | { |
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| 119 | if (poolRessource_->eventLoop()) |
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| 120 | { |
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| 121 | poolRessource_=nullptr ; |
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| 122 | // don't forget to free pool ressource later |
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| 123 | } |
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| 124 | } |
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| 125 | |
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| 126 | if (poolRessource_==nullptr && finalizeSignal_) return true ; |
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| 127 | else return false ; |
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| 128 | } |
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| 129 | |
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| 130 | void CServersRessource::checkNotifications(void) |
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| 131 | { |
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| 132 | int commRank ; |
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| 133 | MPI_Comm_rank(serverComm_, &commRank) ; |
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| 134 | winNotify_->lockWindow(commRank,0) ; |
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| 135 | winNotify_->popFromWindow(commRank, this, &CServersRessource::notificationsDumpIn) ; |
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| 136 | winNotify_->unlockWindow(commRank,0) ; |
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| 137 | if (notifyType_==NOTIFY_CREATE_POOL) createPool() ; |
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| 138 | else if (notifyType_==NOTIFY_FINALIZE) finalizeSignal() ; |
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| 139 | } |
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| 140 | |
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| 141 | void CServersRessource::createPool(void) |
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| 142 | { |
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| 143 | auto& arg=notifyCreatePool_ ; |
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| 144 | string poolId=get<0>(arg) ; |
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| 145 | bool isPartOf=get<1>(arg) ; |
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| 146 | |
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| 147 | int commRank ; |
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| 148 | MPI_Comm poolComm ; |
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| 149 | MPI_Comm_rank(freeRessourcesComm_,&commRank) ; |
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| 150 | MPI_Comm_split(freeRessourcesComm_, isPartOf, commRank, &poolComm) ; |
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| 151 | |
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| 152 | if (isPartOf) |
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| 153 | { |
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| 154 | poolRessource_ = new CPoolRessource(poolComm, poolId) ; |
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| 155 | MPI_Comm_free(&poolComm) ; |
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| 156 | } |
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| 157 | else |
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| 158 | { |
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| 159 | MPI_Comm_free(&freeRessourcesComm_) ; |
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| 160 | freeRessourcesComm_=poolComm ; |
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| 161 | } |
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| 162 | |
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| 163 | } |
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| 164 | |
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| 165 | void CServersRessource::finalizeSignal(void) |
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| 166 | { |
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| 167 | finalizeSignal_=true ; |
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| 168 | if (poolRessource_!=nullptr) poolRessource_->finalizeSignal() ; |
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| 169 | } |
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| 170 | |
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| 171 | bool CServersRessource::isServerLeader(void) |
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| 172 | { |
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| 173 | int commRank ; |
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| 174 | MPI_Comm_rank(serverComm_,&commRank) ; |
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| 175 | if (commRank==localLeader_) return true ; |
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| 176 | else return false ; |
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| 177 | } |
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| 178 | } |
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