[1930] | 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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[1934] | 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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[1930] | 11 | #include <limits> |
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| 12 | |
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| 13 | namespace xios |
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| 14 | { |
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| 15 | CClientFromServerSourceFilter::CClientFromServerSourceFilter(CGarbageCollector& gc, CField* field) |
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| 16 | : COutputPin(gc, true) |
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| 17 | { |
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| 18 | CContext* context = CContext::getCurrent(); |
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[1934] | 19 | field_ = field ; |
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[1988] | 20 | grid_= field->getSentGrid(); |
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[1934] | 21 | freqOp_ = field->getRelFile()->output_freq ; |
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| 22 | client_= field->getRelFile()->getContextClient() ; |
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[1930] | 23 | lastDateReceived_ = context->getCalendar()->getInitDate(); |
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| 24 | offset_ = field->freq_offset ; |
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| 25 | } |
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| 26 | |
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| 27 | void CClientFromServerSourceFilter::streamData(CEventServer& event) |
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| 28 | { |
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| 29 | const bool wasEOF = isEOF_; |
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| 30 | int record ; |
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| 31 | for (auto& subEvent : event.subEvents) (*subEvent.buffer) >> record ; |
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| 32 | isEOF_ = (record == int(-1)); |
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| 33 | |
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| 34 | |
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| 35 | if (wasDataAlreadyReceived_) lastDateReceived_ = lastDateReceived_ + freqOp_ ; |
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| 36 | else wasDataAlreadyReceived_ = true; |
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| 37 | |
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| 38 | CDataPacketPtr packet(new CDataPacket); |
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| 39 | packet->date = lastDateReceived_ + offset_; |
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| 40 | packet->timestamp = packet->date ; |
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| 41 | |
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| 42 | if (isEOF_) |
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| 43 | { |
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| 44 | if (!wasEOF) dateEOF_ = lastDateReceived_; |
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| 45 | packet->status = CDataPacket::END_OF_STREAM; |
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[1934] | 46 | info(20)<<"Receiv Data from server to client: FieldId : "<<field_->getId()<<endl ; |
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| 47 | info(20)<<"lastDateReceived_ "<<lastDateReceived_<< " date "<<packet->date<<" ----> EOF"<<endl; |
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| 48 | |
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[1930] | 49 | } |
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| 50 | else |
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| 51 | { |
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[1934] | 52 | CContextClient* client = event.getContextServer()->getAssociatedClient() ; |
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| 53 | grid_->getClientFromServerConnector(client)->transfer(event, packet->data) ; // to avoid to make a search in map for corresponding client connector, |
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| 54 | |
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| 55 | info(20)<<"Receiv Data from server to client: FieldId : "<<field_->getId()<<endl ; |
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| 56 | info(20)<<"lastDateReceived_ "<<lastDateReceived_<< " date "<<packet->date<<endl; // make a registration at initialization once |
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[1930] | 57 | packet->status = CDataPacket::NO_ERROR; |
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| 58 | } |
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| 59 | onOutputReady(packet); |
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| 60 | |
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| 61 | } |
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| 62 | |
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[1934] | 63 | int CClientFromServerSourceFilter::sendReadDataRequest(const CDate& tsDataRequested) |
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| 64 | { |
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| 65 | CContext* context = CContext::getCurrent(); |
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| 66 | lastDataRequestedFromServer_ = tsDataRequested; |
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| 67 | |
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| 68 | // No need to send the request if we are sure that we are already at EOF |
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| 69 | if (!isEOF_ || context->getCalendar()->getCurrentDate() <= dateEOF_) |
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| 70 | { |
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| 71 | CEventClient event(field_->getType(), CField::EVENT_ID_READ_DATA); |
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| 72 | if (client_->isServerLeader()) |
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| 73 | { |
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| 74 | CMessage msg; |
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| 75 | msg << field_->getId(); |
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| 76 | for(auto& rank : client_->getRanksServerLeader()) event.push(rank, 1, msg); |
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| 77 | client_->sendEvent(event); |
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| 78 | } |
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| 79 | else client_->sendEvent(event); |
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| 80 | } |
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| 81 | else |
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| 82 | { |
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| 83 | CDataPacketPtr packet(new CDataPacket); |
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| 84 | packet->date = tsDataRequested; |
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| 85 | packet->timestamp = packet->date ; |
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| 86 | packet->status = CDataPacket::END_OF_STREAM; |
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| 87 | onOutputReady(packet); |
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| 88 | } |
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| 89 | |
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| 90 | wasDataRequestedFromServer_ = true; |
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| 91 | |
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| 92 | return !isEOF_; |
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| 93 | } |
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| 94 | |
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| 95 | bool CClientFromServerSourceFilter::sendReadDataRequestIfNeeded(void) |
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| 96 | TRY |
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| 97 | { |
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| 98 | const CDate& currentDate = CContext::getCurrent()->getCalendar()->getCurrentDate(); |
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| 99 | |
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| 100 | bool dataRequested = false; |
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| 101 | |
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| 102 | while (currentDate >= lastDataRequestedFromServer_) |
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| 103 | { |
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| 104 | info(20) << "currentDate : " << currentDate << endl ; |
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| 105 | info(20) << "Field : " << field_->getId() << endl ; |
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| 106 | info(20) << "lastDataRequestedFromServer : " << lastDataRequestedFromServer_ << endl ; |
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| 107 | info(20) << "freqOp : " << freqOp_ << endl ; |
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| 108 | info(20) << "lastDataRequestedFromServer + fileIn_->output_freq.getValue() : " << lastDataRequestedFromServer_ + freqOp_ << endl ; |
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| 109 | |
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| 110 | dataRequested |= sendReadDataRequest(lastDataRequestedFromServer_ + freqOp_); |
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| 111 | } |
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| 112 | |
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| 113 | return dataRequested; |
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| 114 | } |
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| 115 | CATCH |
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| 116 | |
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| 117 | void CClientFromServerSourceFilter::checkForLateData(void) |
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| 118 | TRY |
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| 119 | { |
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| 120 | CContext* context = CContext::getCurrent(); |
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| 121 | // Check if data previously requested has been received as expected |
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| 122 | if (wasDataRequestedFromServer_ && ! isEOF_) |
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| 123 | { |
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| 124 | CTimer timer("CClientFromServerSourceFilter::checkForLateDataFromServer"); |
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| 125 | timer.resume(); |
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| 126 | traceOff() ; |
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| 127 | timer.suspend(); |
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| 128 | |
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| 129 | bool isLate; |
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| 130 | do |
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| 131 | { |
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| 132 | isLate = isDataLate(); |
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| 133 | if (isLate) |
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| 134 | { |
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| 135 | timer.resume(); |
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| 136 | context->globalEventLoop(); |
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| 137 | timer.suspend(); |
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| 138 | } |
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| 139 | } |
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| 140 | while (isLate && timer.getCumulatedTime() < CXios::recvFieldTimeout); |
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| 141 | timer.resume(); |
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| 142 | traceOn() ; |
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| 143 | timer.suspend() ; |
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| 144 | |
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| 145 | |
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| 146 | if (isLate) |
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| 147 | ERROR("void CClientFromServerSourceFilter::checkForLateDataFromServer(void)", |
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| 148 | << "Late data at timestep = " << context->getCalendar()->getCurrentDate()); |
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| 149 | } |
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| 150 | } |
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| 151 | CATCH |
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| 152 | |
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| 153 | |
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[1930] | 154 | bool CClientFromServerSourceFilter::isDataLate(void) |
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| 155 | { |
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| 156 | bool isDataLate ; |
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| 157 | CDate currentDate = CContext::getCurrent()->getCalendar()->getCurrentDate() ; |
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| 158 | |
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| 159 | const CDate nextDataDue = wasDataAlreadyReceived_ ? (lastDateReceived_ + freqOp_) : CContext::getCurrent()->getCalendar()->getInitDate(); |
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| 160 | isDataLate = (nextDataDue <= currentDate); |
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| 161 | |
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| 162 | return isDataLate ; |
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| 163 | |
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| 164 | } |
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[1934] | 165 | |
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| 166 | |
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[1930] | 167 | } // namespace xios |
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