1 | #include "services.hpp" |
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2 | #include "services_manager.hpp" |
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3 | #include "mpi.hpp" |
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4 | #include "cxios.hpp" |
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5 | #include "server_context.hpp" |
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6 | #include "event_scheduler.hpp" |
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7 | |
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8 | namespace xios |
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9 | { |
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10 | CService::CService(MPI_Comm serviceComm, const std::string& poolId, const std::string& serviceId, const int& partitionId, |
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11 | int type, int nbPartitions) : finalizeSignal_(false), eventScheduler_(nullptr), poolId_(poolId), serviceId_(serviceId), |
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12 | partitionId_(partitionId), type_(type), nbPartitions_(nbPartitions), hasNotification_(false) |
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13 | |
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14 | |
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15 | { |
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16 | int localRank, globalRank, commSize ; |
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17 | |
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18 | MPI_Comm_dup(serviceComm, &serviceComm_) ; |
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19 | MPI_Comm globalComm_=CXios::getXiosComm() ; |
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20 | |
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21 | MPI_Comm_rank(globalComm_,&globalRank) ; |
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22 | MPI_Comm_rank(serviceComm_,&localRank) ; |
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23 | |
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24 | winNotify_ = new CWindowManager(serviceComm_, maxBufferSize_) ; |
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25 | winNotify_->lockWindow(localRank,0) ; |
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26 | winNotify_->updateToWindow(localRank, this, &CService::createContextDumpOut) ; |
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27 | winNotify_->unlockWindow(localRank,0) ; |
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28 | |
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29 | if (localRank==localLeader_) |
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30 | { |
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31 | globalLeader_=globalRank ; |
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32 | MPI_Comm_rank(serviceComm_,&commSize) ; |
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33 | CXios::getServicesManager()->registerService(poolId, serviceId, partitionId, type, commSize, nbPartitions, globalLeader_) ; |
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34 | } |
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35 | eventScheduler_ = new CEventScheduler(serviceComm_) ; |
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36 | |
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37 | ostringstream oss; |
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38 | oss<<partitionId; |
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39 | name_= poolId+"::"+serviceId+"_"+oss.str(); |
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40 | } |
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41 | |
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42 | void CService::createContext( const std::string& poolId, const std::string& serviceId, const int& partitionId, const std::string& contextId) |
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43 | { |
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44 | int commSize ; |
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45 | MPI_Comm_size(serviceComm_, &commSize) ; |
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46 | |
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47 | for(int rank=0; rank<commSize; rank++) |
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48 | { |
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49 | notifyOutType_=NOTIFY_CREATE_CONTEXT ; |
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50 | notifyOutCreateContext_ = make_tuple(poolId, serviceId, partitionId, contextId) ; |
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51 | sendNotification(rank) ; |
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52 | } |
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53 | } |
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54 | /* |
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55 | void CService::createContext(const std::string& contextId) |
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56 | { |
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57 | contexts_[contextId] = new CServerContext(this, serviceComm_, poolId_, serviceId_, partitionId_, contextId) ; |
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58 | } |
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59 | */ |
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60 | void CService::createContextNotify(int rank, const std::string& poolId, const std::string& serviceId, const int& partitionId, const std::string& contextId) |
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61 | { |
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62 | winNotify_->lockWindow(rank,0) ; |
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63 | winNotify_->updateFromWindow(rank, this, &CService::createContextDumpIn) ; |
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64 | notifications_.push_back(std::make_tuple(poolId, serviceId, partitionId, contextId)) ; |
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65 | winNotify_->updateToWindow(rank, this, &CService::createContextDumpOut) ; |
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66 | winNotify_->unlockWindow(rank,0) ; |
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67 | } |
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68 | |
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69 | |
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70 | void CService::createContextDumpOut(CBufferOut& buffer) |
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71 | { |
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72 | buffer.realloc(maxBufferSize_) ; |
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73 | |
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74 | buffer << (int) (notifications_.size()); |
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75 | |
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76 | for(auto it=notifications_.begin();it!=notifications_.end(); ++it) |
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77 | buffer << std::get<0>(*it) << std::get<1>(*it) << std::get<2>(*it) << std::get<3>(*it) ; |
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78 | } |
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79 | |
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80 | |
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81 | void CService::createContextDumpIn(CBufferIn& buffer) |
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82 | { |
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83 | std::string poolId ; |
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84 | std::string serviceId ; |
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85 | int partitionId ; |
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86 | std::string contextId ; |
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87 | |
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88 | notifications_.clear() ; |
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89 | int nbNotifications ; |
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90 | buffer>>nbNotifications ; |
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91 | for(int i=0;i<nbNotifications;i++) |
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92 | { |
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93 | buffer>>poolId>>serviceId>>partitionId>>contextId ; |
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94 | notifications_.push_back(std::make_tuple(poolId, serviceId, partitionId, contextId)) ; |
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95 | } |
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96 | } |
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97 | |
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98 | bool CService::eventLoop(bool serviceOnly) |
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99 | { |
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100 | //checkCreateContextNotification() ; |
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101 | checkNotifications() ; |
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102 | |
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103 | eventScheduler_->checkEvent() ; |
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104 | for(auto it=contexts_.begin();it!=contexts_.end();++it) |
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105 | { |
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106 | if (it->second->eventLoop(serviceOnly)) |
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107 | { |
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108 | contexts_.erase(it) ; |
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109 | // destroy server_context -> to do later |
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110 | break ; |
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111 | } ; |
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112 | } |
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113 | |
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114 | if (contexts_.empty() && finalizeSignal_) return true ; |
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115 | else return false ; |
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116 | } |
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117 | |
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118 | void CService::sendNotification(int rank) |
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119 | { |
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120 | winNotify_->lockWindow(rank,0) ; |
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121 | winNotify_->pushToWindow(rank, this, &CService::notificationsDumpOut) ; |
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122 | winNotify_->unlockWindow(rank,0) ; |
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123 | } |
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124 | |
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125 | |
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126 | void CService::notificationsDumpOut(CBufferOut& buffer) |
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127 | { |
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128 | |
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129 | buffer.realloc(maxBufferSize_) ; |
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130 | |
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131 | if (notifyOutType_==NOTIFY_CREATE_CONTEXT) |
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132 | { |
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133 | auto& arg=notifyOutCreateContext_ ; |
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134 | buffer << notifyOutType_ << std::get<0>(arg)<<std::get<1>(arg) << std::get<2>(arg)<<std::get<3>(arg) ; |
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135 | } |
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136 | } |
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137 | |
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138 | void CService::notificationsDumpIn(CBufferIn& buffer) |
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139 | { |
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140 | if (buffer.bufferSize() == 0) notifyInType_= NOTIFY_NOTHING ; |
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141 | else |
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142 | { |
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143 | buffer>>notifyInType_; |
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144 | if (notifyInType_==NOTIFY_CREATE_CONTEXT) |
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145 | { |
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146 | info(10)<<"NotifyDumpOut"<<endl ; |
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147 | auto& arg=notifyInCreateContext_ ; |
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148 | buffer >> std::get<0>(arg)>> std::get<1>(arg) >> std::get<2>(arg)>> std::get<3>(arg); |
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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 | |
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154 | |
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155 | |
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156 | void CService::checkNotifications(void) |
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157 | { |
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158 | if (!hasNotification_) |
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159 | { |
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160 | int commRank ; |
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161 | MPI_Comm_rank(serviceComm_, &commRank) ; |
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162 | winNotify_->lockWindow(commRank,0) ; |
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163 | winNotify_->popFromWindow(commRank, this, &CService::notificationsDumpIn) ; |
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164 | winNotify_->unlockWindow(commRank,0) ; |
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165 | |
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166 | if (notifyInType_!= NOTIFY_NOTHING) |
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167 | { |
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168 | hasNotification_=true ; |
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169 | std::hash<string> hashString ; |
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170 | size_t hashId = hashString(name_) ; |
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171 | size_t currentTimeLine=0 ; |
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172 | eventScheduler_->registerEvent(currentTimeLine,hashId); |
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173 | } |
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174 | } |
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175 | |
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176 | if (hasNotification_) |
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177 | { |
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178 | std::hash<string> hashString ; |
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179 | size_t hashId = hashString(name_) ; |
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180 | size_t currentTimeLine=0 ; |
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181 | if (eventScheduler_->queryEvent(currentTimeLine,hashId)) |
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182 | { |
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183 | if (notifyInType_==NOTIFY_CREATE_CONTEXT) createContext() ; |
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184 | hasNotification_=false ; |
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185 | } |
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186 | } |
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187 | } |
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188 | |
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189 | |
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190 | |
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191 | |
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192 | void CService::checkCreateContextNotification(void) |
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193 | { |
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194 | int commRank ; |
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195 | MPI_Comm_rank(serviceComm_, &commRank) ; |
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196 | winNotify_->lockWindow(commRank,0) ; |
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197 | winNotify_->updateFromWindow(commRank, this, &CService::createContextDumpIn) ; |
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198 | |
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199 | if (!notifications_.empty()) |
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200 | { |
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201 | auto info = notifications_.front() ; |
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202 | createNewContext(get<0>(info), get<1>(info), get<2>(info), get<3>(info)) ; |
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203 | notifications_.pop_front() ; |
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204 | winNotify_->updateToWindow(commRank, this, &CService::createContextDumpOut) ; |
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205 | } |
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206 | winNotify_->unlockWindow(commRank,0) ; |
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207 | } |
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208 | |
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209 | void CService::createContext(void) |
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210 | { |
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211 | auto& arg=notifyInCreateContext_ ; |
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212 | string poolId = get<0>(arg) ; |
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213 | string& serviceId = get<1>(arg) ; |
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214 | int partitionId = get<2>(arg) ; |
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215 | string contextId = get<3>(arg) ; |
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216 | contexts_[contextId] = new CServerContext(this, serviceComm_, poolId, serviceId, partitionId, contextId) ; |
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217 | } |
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218 | |
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219 | //to remove |
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220 | void CService::createNewContext(const std::string& poolId, const std::string& serviceId, const int& partitionId, const std::string& contextId) |
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221 | { |
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222 | contexts_[contextId] = new CServerContext(this, serviceComm_, poolId, serviceId, partitionId, contextId) ; |
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223 | } |
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224 | |
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225 | void CService::finalizeSignal(void) |
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226 | { |
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227 | finalizeSignal_=true ; |
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228 | for(auto it=contexts_.begin();it!=contexts_.end();++it) it->second->finalizeSignal() ; |
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229 | } |
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230 | |
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231 | CEventScheduler* CService::getEventScheduler(void) |
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232 | { |
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233 | return eventScheduler_ ; |
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234 | } |
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235 | } |
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