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 | #include "grid_redistribute_filter_in.hpp" |
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14 | |
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15 | namespace xios |
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16 | { |
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17 | CClientOnlineReaderFilter::CClientOnlineReaderFilter(CGarbageCollector& gc, CField* fieldOut) |
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18 | : CFilter(gc, 1, this) |
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19 | { |
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20 | CContext* context = CContext::getCurrent(); |
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21 | |
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22 | CField* fieldIn ; |
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23 | redistributeFilter_ = std::shared_ptr<CGridRedistributeFilterIn>(new CGridRedistributeFilterIn(gc, fieldOut, fieldIn)); |
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24 | fieldIn->setFileIn(fieldOut->getFileIn()); |
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25 | fieldOut->getFileIn()->replaceEnabledFields(fieldOut, fieldIn) ; |
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26 | fileReaderSourceFilter_ = std::shared_ptr<CFileReaderSourceFilter>(new CFileReaderSourceFilter(gc, fieldIn)); |
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27 | fieldIn->solveServerOperation() ; // might not be called, create a new time functor.... find a better solution later |
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28 | |
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29 | // connect filters |
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30 | fileReaderSourceFilter_->connectOutput(redistributeFilter_, 0); |
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31 | |
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32 | field_ = fieldIn ; |
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33 | freqOp_ = fieldOut->getRelFile()->output_freq ; |
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34 | offset_ = fieldOut->freq_offset ; |
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35 | } |
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36 | |
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37 | |
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38 | void CClientOnlineReaderFilter::connectOutput(std::shared_ptr<CInputPin> inputPin, size_t inputSlot) |
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39 | { |
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40 | // connection to redistributeFilter cannot be done at construction time due to shared_from_this(), doing it now |
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41 | redistributeFilter_->connectOutput(shared_from_this(), 0); |
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42 | CFilter::connectOutput(inputPin,inputSlot) ; |
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43 | } |
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44 | |
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45 | CDataPacketPtr CClientOnlineReaderFilter::apply(std::vector<CDataPacketPtr> data) |
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46 | { |
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47 | const CDate& currentDate = CContext::getCurrent()->getCalendar()->getCurrentDate(); |
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48 | |
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49 | data[0]->date = currentDate ; |
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50 | data[0]->timestamp = currentDate ; |
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51 | |
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52 | if (data[0]->status == CDataPacket::END_OF_STREAM) |
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53 | { |
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54 | isEOF_=true ; |
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55 | dateEOF_ = data[0]->date ; |
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56 | } |
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57 | return data[0]; |
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58 | } |
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59 | |
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60 | bool CClientOnlineReaderFilter::sendReadDataRequest(const CDate& tsDataRequested) |
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61 | { |
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62 | CContext* context = CContext::getCurrent(); |
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63 | const CDate& currentDate = CContext::getCurrent()->getCalendar()->getCurrentDate(); |
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64 | CDate checkDate ; |
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65 | if (isFirstDataSent_) checkDate = lastDateReceived_ + freqOp_ ; |
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66 | else checkDate = context->getCalendar()->getInitDate() + offset_ ; |
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67 | |
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68 | if (currentDate >= checkDate) |
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69 | { |
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70 | fileReaderSourceFilter_->streamData(); |
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71 | if (isFirstDataSent_) lastDateReceived_ = lastDateReceived_ + freqOp_ ; |
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72 | else lastDateReceived_ = context->getCalendar()->getInitDate() + offset_ ; |
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73 | isFirstDataSent_ = true ; |
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74 | } |
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75 | return !isEOF_; |
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76 | } |
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77 | |
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78 | bool CClientOnlineReaderFilter::sendReadDataRequestIfNeeded(void) |
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79 | TRY |
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80 | { |
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81 | const CDate& currentDate = CContext::getCurrent()->getCalendar()->getCurrentDate(); |
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82 | return sendReadDataRequest(currentDate); |
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83 | } |
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84 | CATCH |
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85 | |
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86 | void CClientOnlineReaderFilter::checkForLateData(void) |
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87 | TRY |
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88 | { |
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89 | return ; |
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90 | } |
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91 | CATCH |
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92 | |
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93 | |
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94 | bool CClientOnlineReaderFilter::isDataLate(void) |
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95 | { |
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96 | return false ; |
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97 | } |
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98 | |
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99 | |
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100 | } // namespace xios |
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