[1761] | 1 | #include "contexts_manager.hpp" |
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| 2 | #include "cxios.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 "services.hpp" |
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| 6 | #include "server_context.hpp" |
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| 7 | #include "servers_ressource.hpp" |
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| 8 | #include "server.hpp" |
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[2246] | 9 | #include "timer.hpp" |
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[1761] | 10 | #include <functional> |
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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 | CContextsManager::CContextsManager(bool isXiosServer) |
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| 18 | { |
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| 19 | xiosComm_ = CXios::getXiosComm() ; |
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| 20 | |
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| 21 | int commRank ; |
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| 22 | MPI_Comm_rank(xiosComm_, &commRank) ; |
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| 23 | if (commRank==0 && isXiosServer) MPI_Comm_rank(xiosComm_, &commRank) ; |
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| 24 | else commRank=0 ; |
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| 25 | MPI_Allreduce(&commRank, &managerGlobalLeader_, 1, MPI_INT, MPI_SUM, xiosComm_) ; |
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| 26 | |
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| 27 | MPI_Comm_rank(xiosComm_, &commRank) ; |
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| 28 | winNotify_ = new CWindowManager(xiosComm_, maxBufferSize_) ; |
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[2517] | 29 | winNotify_->updateToExclusiveWindow(commRank, this, &CContextsManager::notificationsDumpOut) ; |
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[1761] | 30 | |
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| 31 | |
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| 32 | winContexts_ = new CWindowManager(xiosComm_, maxBufferSize_) ; |
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[2517] | 33 | winContexts_->updateToExclusiveWindow(commRank, this, &CContextsManager::contextsDumpOut) ; |
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| 34 | |
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[1761] | 35 | MPI_Barrier(xiosComm_) ; |
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| 36 | } |
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| 37 | |
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[1764] | 38 | |
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| 39 | CContextsManager::~CContextsManager() |
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| 40 | { |
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| 41 | delete winNotify_ ; |
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| 42 | delete winContexts_ ; |
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| 43 | } |
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| 44 | |
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[1761] | 45 | bool CContextsManager::createServerContext(const std::string& poolId, const std::string& serviceId, const int& partitionId, |
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| 46 | const string& contextId, bool wait) |
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| 47 | { |
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| 48 | int serviceLeader ; |
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| 49 | auto servicesManager = CXios::getServicesManager() ; |
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[2246] | 50 | |
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[1761] | 51 | bool ok=servicesManager->getServiceLeader(poolId, serviceId, partitionId, serviceLeader) ; |
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| 52 | |
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[2246] | 53 | info(40)<<"CContextsManager::createServerContext : waiting for service leader ; serviceId : "<<serviceId<<endl ; |
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[1761] | 54 | if (wait) |
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| 55 | { |
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| 56 | while (!ok) |
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| 57 | { |
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[1764] | 58 | CXios::getDaemonsManager()->servicesEventLoop() ; |
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[1761] | 59 | ok=servicesManager->getServiceLeader(poolId, serviceId, partitionId, serviceLeader) ; |
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| 60 | } |
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| 61 | } |
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| 62 | |
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| 63 | if (ok) |
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| 64 | { |
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| 65 | notifyType_=NOTIFY_CREATE_CONTEXT ; |
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| 66 | notifyCreateContext_=make_tuple(poolId, serviceId, partitionId, contextId) ; |
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[2246] | 67 | info(40)<<"CContextsManager::createServerContext : notification create_context to service leader "<<serviceLeader<<", serviceId : "<<serviceId<<", contextId "<<contextId<<endl ; |
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[1761] | 68 | sendNotification(serviceLeader) ; |
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| 69 | return true ; |
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| 70 | } |
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| 71 | else return false ; |
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| 72 | } |
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| 73 | |
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| 74 | |
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| 75 | bool CContextsManager::createServerContextIntercomm(const string& poolId, const string& serviceId, const int& partitionId, |
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| 76 | const string& contextId, const string& sourceContext, bool wait) |
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| 77 | { |
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| 78 | int contextLeader ; |
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| 79 | bool ok ; |
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| 80 | int remoteLeader ; |
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| 81 | MPI_Comm_rank(xiosComm_, &remoteLeader) ; |
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| 82 | |
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| 83 | int type ; |
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[2246] | 84 | info(40)<<"CContextsManager::createServerContextIntercomm : waiting for context leader ; contextId : "<<contextId<<endl ; |
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[1761] | 85 | ok=CXios::getServicesManager()->getServiceType(poolId,serviceId, 0, type) ; |
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| 86 | if (ok) ok=getContextLeader(getServerContextName(poolId, serviceId, partitionId, type, contextId), contextLeader) ; |
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| 87 | if (wait) |
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| 88 | { |
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| 89 | while (!ok) |
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| 90 | { |
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[1764] | 91 | CXios::getDaemonsManager()->servicesEventLoop() ; |
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[1761] | 92 | ok=CXios::getServicesManager()->getServiceType(poolId,serviceId, 0, type) ; |
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| 93 | if (ok) ok=getContextLeader(getServerContextName(poolId, serviceId, partitionId, type, contextId), contextLeader) ; |
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| 94 | } |
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| 95 | } |
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| 96 | |
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| 97 | if (ok) |
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| 98 | { |
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| 99 | notifyType_=NOTIFY_CREATE_INTERCOMM ; |
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| 100 | notifyCreateIntercomm_=make_tuple(poolId, serviceId, partitionId, contextId, remoteLeader, sourceContext) ; |
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[2246] | 101 | info(40)<<"CContextsManager::createServerContextIntercomm : notification create_intercomm to context leader : "<<contextLeader<<", contextId :"<<contextId<<endl ; |
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[1761] | 102 | sendNotification(contextLeader) ; |
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| 103 | return true ; |
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| 104 | } |
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| 105 | else return false ; |
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| 106 | } |
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| 107 | |
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| 108 | void CContextsManager::sendNotification(int rank) |
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| 109 | { |
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[2258] | 110 | winNotify_->lockWindowExclusive(rank) ; |
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| 111 | winNotify_->pushToLockedWindow(rank, this, &CContextsManager::notificationsDumpOut) ; |
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[2517] | 112 | winNotify_->unlockWindowExclusive(rank) ; |
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[1761] | 113 | } |
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| 114 | |
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| 115 | |
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| 116 | void CContextsManager::notificationsDumpOut(CBufferOut& buffer) |
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| 117 | { |
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| 118 | |
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| 119 | buffer.realloc(maxBufferSize_) ; |
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| 120 | |
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| 121 | if (notifyType_==NOTIFY_CREATE_CONTEXT) |
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| 122 | { |
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| 123 | auto& arg=notifyCreateContext_ ; |
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| 124 | buffer << notifyType_<< get<0>(arg) << get<1>(arg) << std::get<2>(arg) << get<3>(arg) ; |
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| 125 | } |
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| 126 | else if (notifyType_==NOTIFY_CREATE_INTERCOMM) |
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| 127 | { |
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| 128 | auto& arg=notifyCreateIntercomm_ ; |
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| 129 | buffer << notifyType_<< get<0>(arg) << get<1>(arg) << std::get<2>(arg) << get<3>(arg) << get<4>(arg)<< get<5>(arg) ; |
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| 130 | } |
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| 131 | } |
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| 132 | |
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| 133 | void CContextsManager::notificationsDumpIn(CBufferIn& buffer) |
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| 134 | { |
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| 135 | if (buffer.bufferSize() == 0) notifyType_= NOTIFY_NOTHING ; |
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| 136 | else |
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| 137 | { |
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| 138 | buffer>>notifyType_; |
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| 139 | if (notifyType_==NOTIFY_CREATE_CONTEXT) |
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| 140 | { |
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| 141 | auto& arg=notifyCreateContext_ ; |
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| 142 | buffer >> get<0>(arg) >> get<1>(arg) >> std::get<2>(arg)>> get<3>(arg) ; |
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| 143 | } |
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| 144 | else if (notifyType_==NOTIFY_CREATE_INTERCOMM) |
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| 145 | { |
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| 146 | auto& arg=notifyCreateIntercomm_ ; |
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| 147 | buffer >> get<0>(arg) >> get<1>(arg) >> std::get<2>(arg) >> get<3>(arg) >> get<4>(arg) >> get<5>(arg); |
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| 148 | } |
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| 149 | } |
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| 150 | |
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| 151 | } |
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| 152 | |
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| 153 | void CContextsManager::eventLoop(void) |
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| 154 | { |
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[2246] | 155 | CTimer::get("CContextsManager::eventLoop").resume(); |
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[2260] | 156 | int flag ; |
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| 157 | MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &flag, MPI_STATUS_IGNORE); |
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[2246] | 158 | double time=MPI_Wtime() ; |
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| 159 | if (time-lastEventLoop_ > eventLoopLatency_) |
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| 160 | { |
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| 161 | checkNotifications() ; |
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| 162 | lastEventLoop_=time ; |
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| 163 | } |
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| 164 | CTimer::get("CContextsManager::eventLoop").suspend(); |
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[1761] | 165 | } |
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| 166 | |
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| 167 | void CContextsManager::checkNotifications(void) |
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| 168 | { |
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| 169 | int commRank ; |
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| 170 | MPI_Comm_rank(xiosComm_, &commRank) ; |
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[2517] | 171 | winNotify_->popFromExclusiveWindow(commRank, this, &CContextsManager::notificationsDumpIn) ; |
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[1761] | 172 | if (notifyType_==NOTIFY_CREATE_CONTEXT) createServerContext() ; |
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| 173 | else if (notifyType_==NOTIFY_CREATE_INTERCOMM) createServerContextIntercomm() ; |
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| 174 | |
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| 175 | } |
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| 176 | |
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| 177 | void CContextsManager::createServerContext(void) |
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| 178 | { |
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[2246] | 179 | info(40)<<"CContextsManager::createServerContext : receive create server context notification"<<endl ; |
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[1761] | 180 | auto arg=notifyCreateContext_ ; |
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| 181 | CXios::getPoolRessource()->getService(get<1>(arg), get<2>(arg)) |
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| 182 | ->createContext(get<0>(arg), get<1>(arg), get<2>(arg), get<3>(arg)) ; |
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| 183 | |
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| 184 | } |
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| 185 | |
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| 186 | void CContextsManager::createServerContextIntercomm(void) |
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| 187 | { |
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[2246] | 188 | info(40)<<"CContextsManager::createServerContext : receive create intercomm context notification"<<endl ; |
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[1761] | 189 | auto arg=notifyCreateIntercomm_ ; |
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| 190 | CXios::getPoolRessource()->getService(get<1>(arg), get<2>(arg)) |
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| 191 | ->getServerContext(get<3>(arg)) |
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| 192 | ->createIntercomm(get<4>(arg), get<5>(arg)) ; |
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| 193 | } |
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| 194 | |
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| 195 | string CContextsManager::getServerContextName(const string& poolId, const string& serviceId, const int& partitionId, |
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| 196 | const int& type, const string& contextId) |
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| 197 | { |
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| 198 | if (type==CServicesManager::CLIENT) return contextId; |
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| 199 | else |
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| 200 | { |
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| 201 | ostringstream oss; |
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| 202 | oss<<partitionId; |
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[2287] | 203 | return poolId+"__"+serviceId+"_"+oss.str()+"__"+contextId; |
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[1761] | 204 | } |
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| 205 | } |
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| 206 | |
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| 207 | void CContextsManager::registerContext(const string& fullContextId, const SRegisterContextInfo& contextInfo) |
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| 208 | { |
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[2246] | 209 | winContexts_->lockWindowExclusive(managerGlobalLeader_) ; |
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| 210 | winContexts_->updateFromLockedWindow(managerGlobalLeader_, this, &CContextsManager::contextsDumpIn) ; |
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| 211 | winContexts_->flushWindow(managerGlobalLeader_) ; |
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[1761] | 212 | contexts_[fullContextId] = contextInfo ; |
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[2246] | 213 | winContexts_->updateToLockedWindow(managerGlobalLeader_, this, &CContextsManager::contextsDumpOut) ; |
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[2517] | 214 | winContexts_->unlockWindowExclusive(managerGlobalLeader_) ; |
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[1761] | 215 | } |
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| 216 | |
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| 217 | bool CContextsManager::getContextInfo(const string& fullContextId, SRegisterContextInfo& contextInfo, MPI_Comm comm) |
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| 218 | { |
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| 219 | bool ret ; |
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| 220 | int commRank=0 ; |
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| 221 | if (comm!=MPI_COMM_NULL) MPI_Comm_rank(comm, &commRank) ; |
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| 222 | |
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| 223 | if (commRank==0) |
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| 224 | { |
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| 225 | |
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[2517] | 226 | winContexts_->updateFromSharedWindow(managerGlobalLeader_, this, &CContextsManager::contextsDumpIn) ; |
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[1761] | 227 | |
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| 228 | auto it=contexts_.find(fullContextId) ; |
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| 229 | if ( it == contexts_.end()) ret=false ; |
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| 230 | else |
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| 231 | { |
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| 232 | contextInfo=it->second ; |
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| 233 | ret=true ; |
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| 234 | } |
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| 235 | } |
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| 236 | |
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| 237 | if (comm!=MPI_COMM_NULL) |
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| 238 | { |
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| 239 | MPI_Bcast(&ret,1,MPI_INT,0,comm) ; |
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| 240 | if (ret) |
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| 241 | { |
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| 242 | MPI_Bcast(&contextInfo.leader,1,MPI_INT,0,comm) ; |
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| 243 | MPI_Bcast(&contextInfo.size,1,MPI_INT,0,comm) ; |
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| 244 | MPI_Bcast_string(contextInfo.poolId,0,comm) ; |
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| 245 | MPI_Bcast_string(contextInfo.serviceId,0,comm) ; |
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| 246 | MPI_Bcast(&contextInfo.serviceType,1,MPI_INT,0,comm) ; |
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| 247 | MPI_Bcast(&contextInfo.partitionId,1,MPI_INT,0,comm) ; |
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| 248 | MPI_Bcast_string(contextInfo.id,0,comm) ; |
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| 249 | } |
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| 250 | } |
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| 251 | return ret ; |
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| 252 | } |
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| 253 | |
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| 254 | bool CContextsManager::getContextLeader(const string& fullContextId, int& leader, MPI_Comm comm) |
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| 255 | { |
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| 256 | SRegisterContextInfo contextInfo ; |
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| 257 | bool ret=getContextInfo(fullContextId, contextInfo) ; |
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| 258 | if (ret) leader=contextInfo.leader ; |
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| 259 | return ret ; |
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| 260 | } |
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| 261 | |
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| 262 | bool CContextsManager::getContextSize(const string& fullContextId, int& size, MPI_Comm comm) |
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| 263 | { |
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| 264 | |
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| 265 | SRegisterContextInfo contextInfo ; |
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| 266 | bool ret=getContextInfo(fullContextId, contextInfo) ; |
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| 267 | if (ret) size=contextInfo.size ; |
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| 268 | return ret ; |
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| 269 | } |
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| 270 | |
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| 271 | bool CContextsManager::getContextPoolId(const string& fullContextId, string& poolId, MPI_Comm comm) |
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| 272 | { |
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| 273 | SRegisterContextInfo contextInfo ; |
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| 274 | bool ret=getContextInfo(fullContextId, contextInfo) ; |
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| 275 | if (ret) poolId=contextInfo.poolId ; |
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| 276 | return ret ; |
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| 277 | } |
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| 278 | |
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| 279 | bool CContextsManager::getContextServiceId(const string& fullContextId, string& serviceId, MPI_Comm comm) |
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| 280 | { |
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| 281 | SRegisterContextInfo contextInfo ; |
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| 282 | bool ret=getContextInfo(fullContextId, contextInfo) ; |
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| 283 | if (ret) serviceId=contextInfo.serviceId ; |
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| 284 | return ret ; |
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| 285 | } |
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| 286 | |
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| 287 | bool CContextsManager::getContextPartitionId(const string& fullContextId, int& partitionId, MPI_Comm comm) |
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| 288 | { |
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| 289 | SRegisterContextInfo contextInfo ; |
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| 290 | bool ret=getContextInfo(fullContextId, contextInfo) ; |
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| 291 | if (ret) partitionId=contextInfo.partitionId ; |
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| 292 | return ret ; |
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| 293 | } |
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| 294 | |
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| 295 | bool CContextsManager::getContextServiceType(const string& fullContextId, int& serviceType, MPI_Comm comm) |
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| 296 | { |
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| 297 | SRegisterContextInfo contextInfo ; |
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| 298 | bool ret=getContextInfo(fullContextId, contextInfo) ; |
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| 299 | if (ret) serviceType=contextInfo.serviceType ; |
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| 300 | return ret ; |
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| 301 | } |
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| 302 | |
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| 303 | bool CContextsManager::getContextId(const string& fullContextId, string& contextId, MPI_Comm comm) |
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| 304 | { |
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| 305 | SRegisterContextInfo contextInfo ; |
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| 306 | bool ret=getContextInfo(fullContextId, contextInfo) ; |
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| 307 | if (ret) contextId=contextInfo.id ; |
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| 308 | return ret ; |
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| 309 | } |
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| 310 | |
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| 311 | |
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| 312 | bool CContextsManager::hasContext(const string& fullContextId, MPI_Comm comm) |
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| 313 | { |
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| 314 | SRegisterContextInfo contextInfo ; |
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| 315 | return getContextInfo(fullContextId, contextInfo) ; |
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| 316 | } |
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| 317 | |
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| 318 | void CContextsManager::contextsDumpOut(CBufferOut& buffer) |
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| 319 | { |
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| 320 | buffer.realloc(maxBufferSize_) ; |
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| 321 | buffer<<(int)contexts_.size(); |
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| 322 | |
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| 323 | for(auto it=contexts_.begin();it!=contexts_.end(); ++it) |
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| 324 | { |
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| 325 | auto key = it->first ; |
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| 326 | auto val = it->second ; |
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| 327 | buffer << key << val.poolId<<val.serviceId<<val.partitionId<<val.serviceType<<val.id<<val.size<<val.leader ; |
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| 328 | } |
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| 329 | } |
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| 330 | |
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| 331 | void CContextsManager::contextsDumpIn(CBufferIn& buffer) |
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| 332 | { |
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| 333 | std::string contextId ; |
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| 334 | SRegisterContextInfo ci; |
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| 335 | int size; |
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| 336 | int leader ; |
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| 337 | |
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| 338 | contexts_.clear() ; |
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| 339 | int nbContexts ; |
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| 340 | buffer>>nbContexts ; |
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| 341 | for(int i=0;i<nbContexts;i++) |
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| 342 | { |
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| 343 | buffer>>contextId>>ci.poolId>>ci.serviceId>>ci.partitionId>>ci.serviceType>>ci.id>>ci.size>>ci.leader ; |
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| 344 | contexts_[contextId]=ci ; |
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| 345 | } |
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| 346 | |
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| 347 | } |
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[2287] | 348 | } |
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