1 | #include "ressources_manager.hpp" |
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2 | #include "server.hpp" |
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3 | #include "servers_ressource.hpp" |
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4 | #include "token_manager.hpp" |
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5 | #include "timer.hpp" |
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6 | |
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7 | |
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8 | |
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9 | |
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10 | |
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11 | namespace xios |
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12 | { |
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13 | using namespace std; |
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14 | extern CLogType logTimers ; |
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15 | |
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16 | CRessourcesManager::CRessourcesManager(bool isXiosServer) |
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17 | { |
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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 | //tokenManager_ = new CTokenManager(xiosComm_,commRank) ; |
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26 | |
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27 | MPI_Allreduce(&commRank, &managerGlobalLeader_, 1, MPI_INT, MPI_SUM, xiosComm_) ; |
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28 | |
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29 | MPI_Comm_rank(xiosComm_, &commRank) ; |
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30 | winNotify_ = new CWindowManager(xiosComm_, maxBufferSize_,"CRessourcesManager::winNotify_") ; |
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31 | |
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32 | |
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33 | winRessources_ = new CWindowManager(xiosComm_, maxBufferSize_,"CRessourcesManager::winRessources_") ; |
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34 | winRessources_->lockWindow(commRank,0) ; |
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35 | serverLeader_=-1 ; |
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36 | winRessources_->updateToWindow(commRank, this, &CRessourcesManager::ressourcesDumpOut) ; |
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37 | winRessources_->unlockWindow(commRank,0) ; |
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38 | |
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39 | MPI_Barrier(xiosComm_) ; |
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40 | } |
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41 | |
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42 | CRessourcesManager::~CRessourcesManager() |
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43 | { |
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44 | delete winNotify_ ; |
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45 | delete winRessources_ ; |
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46 | //delete tokenManager_ ; |
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47 | } |
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48 | |
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49 | void CRessourcesManager::createPool(const string& poolId, int size) |
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50 | { |
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51 | info(40)<<"CRessourcesManager::createPool : calling createPool : "<<poolId<<" of size"<<size<<endl ; |
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52 | info(40)<<"send notification to leader : "<<serverLeader_<<endl ; |
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53 | winRessources_->updateFromExclusiveWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpIn) ; |
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54 | |
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55 | notifyType_=NOTIFY_CREATE_POOL ; |
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56 | notifyCreatePool_=make_tuple(poolId, size) ; |
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57 | info(40)<<"CRessourcesManager::createPool : send notification creating pool to server leader "<<serverLeader_<<endl ; |
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58 | sendNotification(serverLeader_) ; |
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59 | } |
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60 | |
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61 | void CRessourcesManager::finalize(void) |
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62 | { |
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63 | winRessources_->updateFromExclusiveWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpIn) ; |
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64 | |
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65 | if (serverLeader_!=-1) |
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66 | { |
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67 | notifyType_=NOTIFY_FINALIZE ; |
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68 | info(40)<<"CRessourcesManager::finalize : send notification finalize to server leader "<<serverLeader_<<endl ; |
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69 | sendNotification(serverLeader_) ; |
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70 | } |
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71 | } |
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72 | |
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73 | void CRessourcesManager::sendNotification(int rank) |
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74 | { |
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75 | winNotify_->lockWindowExclusive(rank) ; |
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76 | winNotify_->pushToLockedWindow(rank, this, &CRessourcesManager::notificationsDumpOut) ; |
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77 | winNotify_->unlockWindowExclusive(rank) ; |
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78 | } |
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79 | |
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80 | |
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81 | void CRessourcesManager::notificationsDumpOut(CBufferOut& buffer) |
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82 | { |
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83 | |
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84 | buffer.realloc(maxBufferSize_) ; |
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85 | |
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86 | if (notifyType_==NOTIFY_CREATE_POOL) |
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87 | { |
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88 | auto& arg=notifyCreatePool_ ; |
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89 | buffer << notifyType_<< get<0>(arg) << get<1>(arg) ; |
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90 | } |
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91 | else if (notifyType_==NOTIFY_FINALIZE) |
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92 | { |
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93 | buffer << notifyType_ ; |
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94 | } |
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95 | } |
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96 | |
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97 | void CRessourcesManager::notificationsDumpIn(CBufferIn& buffer) |
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98 | { |
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99 | if (buffer.bufferSize() == 0) notifyType_= NOTIFY_NOTHING ; |
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100 | else |
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101 | { |
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102 | buffer>>notifyType_; |
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103 | if (notifyType_==NOTIFY_CREATE_POOL) |
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104 | { |
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105 | auto& arg=notifyCreatePool_ ; |
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106 | buffer >> get<0>(arg) >> get<1>(arg) ; |
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107 | } |
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108 | else if (notifyType_==NOTIFY_FINALIZE) { /*nothing to do*/ } |
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109 | } |
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110 | |
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111 | } |
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112 | |
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113 | void CRessourcesManager::eventLoop(void) |
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114 | { |
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115 | if (info.isActive(logTimers)) CTimer::get("CRessourcesManager::eventLoop").resume(); |
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116 | int flag ; |
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117 | MPI_Iprobe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &flag, MPI_STATUS_IGNORE); |
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118 | double time=MPI_Wtime() ; |
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119 | if (time-lastEventLoop_ > eventLoopLatency_) |
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120 | { |
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121 | checkNotifications() ; |
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122 | lastEventLoop_=time ; |
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123 | } |
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124 | |
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125 | if (info.isActive(logTimers)) CTimer::get("CRessourcesManager::eventLoop").suspend(); |
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126 | } |
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127 | |
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128 | void CRessourcesManager::checkNotifications(void) |
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129 | { |
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130 | int commRank ; |
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131 | MPI_Comm_rank(xiosComm_, &commRank) ; |
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132 | if (info.isActive(logTimers)) CTimer::get("CRessourcesManager::checkNotifications lock").resume(); |
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133 | winNotify_->lockWindowExclusive(commRank) ; |
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134 | if (info.isActive(logTimers)) CTimer::get("CRessourcesManager::checkNotifications lock").suspend(); |
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135 | if (info.isActive(logTimers)) CTimer::get("CRessourcesManager::checkNotifications pop").resume(); |
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136 | winNotify_->popFromLockedWindow(commRank, this, &CRessourcesManager::notificationsDumpIn) ; |
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137 | if (info.isActive(logTimers)) CTimer::get("CRessourcesManager::checkNotifications pop").suspend(); |
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138 | if (info.isActive(logTimers)) CTimer::get("CRessourcesManager::checkNotifications unlock").resume(); |
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139 | winNotify_->unlockWindowExclusive(commRank) ; |
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140 | if (info.isActive(logTimers)) CTimer::get("CRessourcesManager::checkNotifications unlock").suspend(); |
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141 | if (notifyType_==NOTIFY_CREATE_POOL) createPool() ; |
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142 | else if (notifyType_==NOTIFY_FINALIZE) finalizeSignal() ; |
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143 | } |
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144 | |
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145 | void CRessourcesManager::createPool(void) |
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146 | { |
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147 | |
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148 | auto& arg=notifyCreatePool_ ; |
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149 | string poolId=get<0>(arg) ; |
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150 | int size=get<1>(arg) ; |
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151 | info(40)<<"CRessourcesManager::createPool : receive create pool notification : "<< poolId<<" of size "<<size<<endl ; |
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152 | CServer::getServersRessource()->createPool(poolId,size) ; |
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153 | } |
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154 | |
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155 | void CRessourcesManager::finalizeSignal(void) |
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156 | { |
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157 | info(40)<<"CRessourcesManager::createPool : receive finalize notification"<<endl ; |
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158 | CServer::getServersRessource()->finalize() ; |
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159 | } |
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160 | |
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161 | void CRessourcesManager::ressourcesDumpOut(CBufferOut& buffer) |
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162 | { |
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163 | |
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164 | buffer.realloc(maxBufferSize_) ; |
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165 | |
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166 | buffer<<ressourcesSize_<<freeRessourcesSize_<<serverLeader_ ; |
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167 | buffer<<(int) pools_.size(); |
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168 | for(auto it=pools_.begin();it!=pools_.end(); ++it) |
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169 | { |
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170 | auto key = it->first ; |
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171 | auto val = it->second ; |
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172 | buffer << key<<std::get<0>(val) << std::get<1>(val) << std::get<2>(val); |
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173 | } |
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174 | } |
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175 | |
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176 | void CRessourcesManager::ressourcesDumpIn(CBufferIn& buffer) |
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177 | { |
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178 | std::string poolId ; |
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179 | int size ; |
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180 | int freeSize ; |
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181 | int leader ; |
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182 | |
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183 | buffer>>ressourcesSize_>>freeRessourcesSize_>>serverLeader_ ; |
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184 | pools_.clear() ; |
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185 | int nbPools ; |
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186 | buffer>>nbPools ; |
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187 | for(int i=0;i<nbPools;i++) |
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188 | { |
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189 | buffer>>poolId>>size>>freeSize>>leader ; |
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190 | pools_[poolId]=std::make_tuple(size, freeSize, leader) ; |
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191 | } |
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192 | } |
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193 | |
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194 | void CRessourcesManager::registerServerLeader(int serverLeaderRank) |
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195 | { |
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196 | winRessources_->lockWindowExclusive(managerGlobalLeader_) ; |
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197 | winRessources_->updateFromLockedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpIn) ; |
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198 | serverLeader_ = serverLeaderRank ; |
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199 | winRessources_->updateToLockedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpOut) ; |
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200 | winRessources_->unlockWindowExclusive(managerGlobalLeader_) ; |
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201 | } |
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202 | |
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203 | void CRessourcesManager::registerRessourcesSize(int size) |
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204 | { |
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205 | winRessources_->lockWindowExclusive(managerGlobalLeader_) ; |
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206 | winRessources_->updateFromLockedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpIn) ; |
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207 | ressourcesSize_ = size ; |
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208 | freeRessourcesSize_ = size ; |
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209 | winRessources_->updateToLockedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpOut) ; |
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210 | winRessources_->unlockWindowExclusive(managerGlobalLeader_) ; |
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211 | } |
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212 | |
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213 | |
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214 | void CRessourcesManager::registerPoolClient(const string& poolId, int size, int leader) |
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215 | { |
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216 | winRessources_->lockWindowExclusive(managerGlobalLeader_) ; |
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217 | winRessources_->updateFromLockedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpIn) ; |
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218 | pools_[poolId] = make_tuple(size, size, leader) ; |
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219 | winRessources_->updateToLockedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpOut) ; |
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220 | winRessources_->unlockWindowExclusive(managerGlobalLeader_) ; |
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221 | } |
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222 | |
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223 | void CRessourcesManager::registerPoolServer(const string& poolId, int size, int leader) |
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224 | { |
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225 | winRessources_->lockWindowExclusive(managerGlobalLeader_) ; |
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226 | winRessources_->updateFromLockedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpIn) ; |
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227 | pools_[poolId] = make_tuple(size, size, leader) ; |
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228 | freeRessourcesSize_-=size ; |
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229 | winRessources_->updateToLockedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpOut) ; |
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230 | winRessources_->unlockWindowExclusive(managerGlobalLeader_) ; |
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231 | } |
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232 | |
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233 | bool CRessourcesManager::getPoolInfo(const string& poolId, int& size, int& freeSize, int& leader) |
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234 | { |
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235 | winRessources_->updateFromSharedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpIn) ; |
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236 | |
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237 | auto it=pools_.find(poolId) ; |
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238 | if ( it == pools_.end()) return false ; |
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239 | else |
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240 | { |
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241 | size=get<0>(it->second) ; |
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242 | freeSize=get<1>(it->second) ; |
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243 | leader=get<2>(it->second) ; |
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244 | return true ; |
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245 | } |
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246 | } |
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247 | |
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248 | bool CRessourcesManager::decreasePoolFreeSize(const string& poolId, int size) |
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249 | { |
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250 | bool ret ; |
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251 | |
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252 | winRessources_->lockWindowExclusive(managerGlobalLeader_) ; |
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253 | winRessources_->updateFromLockedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpIn) ; |
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254 | |
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255 | |
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256 | auto it=pools_.find(poolId) ; |
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257 | |
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258 | if ( it == pools_.end()) ret=false ; |
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259 | else |
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260 | { |
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261 | get<1>(it->second)-=size ; |
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262 | ret=true ; |
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263 | } |
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264 | winRessources_->updateToLockedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpOut) ; |
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265 | winRessources_->unlockWindowExclusive(managerGlobalLeader_) ; |
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266 | |
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267 | return ret ; |
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268 | } |
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269 | |
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270 | int CRessourcesManager::getRessourcesSize(void) |
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271 | { |
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272 | winRessources_->updateFromSharedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpIn) ; |
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273 | |
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274 | return ressourcesSize_ ; |
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275 | } |
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276 | |
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277 | int CRessourcesManager::getFreeRessourcesSize(void) |
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278 | { |
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279 | winRessources_->updateFromSharedWindow(managerGlobalLeader_, this, &CRessourcesManager::ressourcesDumpIn) ; |
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280 | |
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281 | return freeRessourcesSize_ ; |
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282 | } |
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283 | |
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284 | bool CRessourcesManager::getPoolLeader(const string& poolId, int& leader) |
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285 | { |
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286 | int size, freeSize ; |
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287 | return getPoolInfo(poolId, size, freeSize, leader) ; |
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288 | } |
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289 | |
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290 | bool CRessourcesManager::getPoolSize(const string& poolId, int& size) |
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291 | { |
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292 | int leader,freeSize ; |
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293 | return getPoolInfo(poolId, size, freeSize, leader) ; |
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294 | } |
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295 | |
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296 | bool CRessourcesManager::getPoolFreeSize(const string& poolId, int& freeSize) |
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297 | { |
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298 | int leader,size ; |
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299 | return getPoolInfo(poolId, size, freeSize, leader) ; |
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300 | } |
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301 | |
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302 | bool CRessourcesManager::hasPool(const string& poolId) |
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303 | { |
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304 | int leader,size,freeSize ; |
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305 | return getPoolInfo(poolId, size, freeSize, leader) ; |
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306 | } |
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307 | |
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308 | void CRessourcesManager::waitPoolRegistration(const string& poolId) |
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309 | { |
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310 | while(!hasPool(poolId)) CXios::getDaemonsManager()->servicesEventLoop() ; |
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311 | } |
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312 | } |
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