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