1 | #include "client_from_server_source_filter.hpp" |
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2 | #include "grid.hpp" |
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3 | #include "field.hpp" |
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4 | #include "file.hpp" |
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5 | #include "exception.hpp" |
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6 | #include "calendar_util.hpp" |
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7 | #include "context.hpp" |
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8 | #include "event_client.hpp" |
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9 | #include "timer.hpp" |
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10 | #include "tracer.hpp" |
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11 | #include <limits> |
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12 | #include "workflow_graph.hpp" |
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13 | |
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14 | namespace xios |
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15 | { |
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16 | CClientFromServerSourceFilter::CClientFromServerSourceFilter(CGarbageCollector& gc, CField* field) |
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17 | : COutputPin(gc, true) |
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18 | { |
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19 | CContext* context = CContext::getCurrent(); |
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20 | field_ = field ; |
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21 | grid_= field->getSentGrid(); |
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22 | freqOp_ = field->getRelFile()->output_freq ; |
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23 | client_= field->getRelFile()->getContextClient() ; |
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24 | lastDateReceived_ = context->getCalendar()->getInitDate(); |
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25 | offset_ = field->freq_offset ; |
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26 | } |
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27 | |
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28 | void CClientFromServerSourceFilter::streamData(CEventServer& event) |
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29 | { |
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30 | const bool wasEOF = isEOF_; |
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31 | int record ; |
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32 | for (auto& subEvent : event.subEvents) (*subEvent.buffer) >> record ; |
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33 | isEOF_ = (record == int(-1)); |
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34 | |
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35 | |
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36 | if (wasDataAlreadyReceived_) lastDateReceived_ = lastDateReceived_ + freqOp_ ; |
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37 | else wasDataAlreadyReceived_ = true; |
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38 | |
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39 | CDataPacketPtr packet(new CDataPacket); |
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40 | packet->date = lastDateReceived_ + offset_; |
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41 | packet->timestamp = packet->date ; |
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42 | |
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43 | if (isEOF_) |
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44 | { |
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45 | if (!wasEOF) dateEOF_ = lastDateReceived_; |
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46 | packet->status = CDataPacket::END_OF_STREAM; |
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47 | info(20)<<"Receiv Data from server to client: FieldId : "<<field_->getId()<<endl ; |
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48 | info(20)<<"lastDateReceived_ "<<lastDateReceived_<< " date "<<packet->date<<" ----> EOF"<<endl; |
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49 | |
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50 | } |
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51 | else |
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52 | { |
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53 | CContextClient* client = event.getContextServer()->getAssociatedClient() ; |
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54 | grid_->getClientFromServerConnector(client)->transfer(event, packet->data) ; // to avoid to make a search in map for corresponding client connector, |
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55 | |
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56 | info(20)<<"Receiv Data from server to client: FieldId : "<<field_->getId()<<endl ; |
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57 | info(20)<<"lastDateReceived_ "<<lastDateReceived_<< " date "<<packet->date<<endl; // make a registration at initialization once |
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58 | packet->status = CDataPacket::NO_ERROR; |
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59 | } |
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60 | |
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61 | if(this->graphEnabled) |
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62 | { |
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63 | this->graphPackage->filterId = CWorkflowGraph::getNodeSize(); |
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64 | CWorkflowGraph::addNode("Client from Server Source filter", 1, false, 0, packet); |
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65 | } |
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66 | onOutputReady(packet); |
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67 | |
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68 | } |
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69 | |
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70 | int CClientFromServerSourceFilter::sendReadDataRequest(const CDate& tsDataRequested) |
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71 | { |
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72 | CContext* context = CContext::getCurrent(); |
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73 | lastDataRequestedFromServer_ = tsDataRequested; |
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74 | |
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75 | // No need to send the request if we are sure that we are already at EOF |
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76 | if (!isEOF_ || context->getCalendar()->getCurrentDate() <= dateEOF_) |
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77 | { |
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78 | CEventClient event(field_->getType(), CField::EVENT_ID_READ_DATA); |
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79 | if (client_->isServerLeader()) |
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80 | { |
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81 | CMessage msg; |
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82 | msg << field_->getId(); |
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83 | for(auto& rank : client_->getRanksServerLeader()) event.push(rank, 1, msg); |
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84 | client_->sendEvent(event); |
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85 | } |
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86 | else client_->sendEvent(event); |
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87 | } |
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88 | else |
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89 | { |
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90 | CDataPacketPtr packet(new CDataPacket); |
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91 | packet->date = tsDataRequested; |
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92 | packet->timestamp = packet->date ; |
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93 | packet->status = CDataPacket::END_OF_STREAM; |
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94 | onOutputReady(packet); |
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95 | } |
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96 | |
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97 | wasDataRequestedFromServer_ = true; |
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98 | |
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99 | return !isEOF_; |
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100 | } |
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101 | |
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102 | bool CClientFromServerSourceFilter::sendReadDataRequestIfNeeded(void) |
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103 | TRY |
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104 | { |
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105 | const CDate& currentDate = CContext::getCurrent()->getCalendar()->getCurrentDate(); |
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106 | |
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107 | bool dataRequested = false; |
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108 | |
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109 | while (currentDate >= lastDataRequestedFromServer_) |
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110 | { |
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111 | info(20) << "currentDate : " << currentDate << endl ; |
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112 | info(20) << "Field : " << field_->getId() << endl ; |
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113 | info(20) << "lastDataRequestedFromServer : " << lastDataRequestedFromServer_ << endl ; |
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114 | info(20) << "freqOp : " << freqOp_ << endl ; |
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115 | info(20) << "lastDataRequestedFromServer + fileIn_->output_freq.getValue() : " << lastDataRequestedFromServer_ + freqOp_ << endl ; |
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116 | |
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117 | dataRequested |= sendReadDataRequest(lastDataRequestedFromServer_ + freqOp_); |
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118 | } |
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119 | |
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120 | return dataRequested; |
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121 | } |
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122 | CATCH |
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123 | |
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124 | void CClientFromServerSourceFilter::checkForLateData(void) |
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125 | TRY |
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126 | { |
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127 | CContext* context = CContext::getCurrent(); |
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128 | // Check if data previously requested has been received as expected |
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129 | if (wasDataRequestedFromServer_ && ! isEOF_) |
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130 | { |
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131 | CTimer timer("CClientFromServerSourceFilter::checkForLateDataFromServer"); |
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132 | timer.resume(); |
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133 | traceOff() ; |
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134 | timer.suspend(); |
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135 | |
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136 | bool isLate; |
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137 | do |
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138 | { |
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139 | isLate = isDataLate(); |
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140 | if (isLate) |
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141 | { |
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142 | timer.resume(); |
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143 | context->globalEventLoop(); |
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144 | context->eventLoop() ; |
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145 | timer.suspend(); |
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146 | } |
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147 | } |
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148 | while (isLate && timer.getCumulatedTime() < CXios::recvFieldTimeout); |
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149 | timer.resume(); |
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150 | traceOn() ; |
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151 | timer.suspend() ; |
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152 | |
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153 | |
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154 | if (isLate) |
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155 | ERROR("void CClientFromServerSourceFilter::checkForLateDataFromServer(void)", |
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156 | << "Late data at timestep = " << context->getCalendar()->getCurrentDate()); |
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157 | } |
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158 | } |
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159 | CATCH |
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160 | |
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161 | |
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162 | bool CClientFromServerSourceFilter::isDataLate(void) |
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163 | { |
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164 | bool isDataLate ; |
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165 | CDate currentDate = CContext::getCurrent()->getCalendar()->getCurrentDate() ; |
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166 | |
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167 | const CDate nextDataDue = wasDataAlreadyReceived_ ? (lastDateReceived_ + freqOp_) : CContext::getCurrent()->getCalendar()->getInitDate(); |
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168 | isDataLate = (nextDataDue <= currentDate); |
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169 | |
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170 | return isDataLate ; |
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171 | |
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172 | } |
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173 | |
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174 | |
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175 | } // namespace xios |
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