1 | #include "context_server.hpp" |
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2 | #include "buffer_in.hpp" |
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3 | #include "type.hpp" |
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4 | #include "context.hpp" |
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5 | #include "object_template.hpp" |
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6 | #include "group_template.hpp" |
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7 | #include "attribute_template.hpp" |
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8 | #include "domain.hpp" |
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9 | #include "field.hpp" |
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10 | #include "file.hpp" |
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11 | #include "grid.hpp" |
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12 | #include "mpi.hpp" |
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13 | #include "tracer.hpp" |
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14 | #include "timer.hpp" |
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15 | #include "cxios.hpp" |
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16 | #include "event_scheduler.hpp" |
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17 | #include "server.hpp" |
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18 | #include <boost/functional/hash.hpp> |
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19 | |
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20 | |
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21 | |
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22 | namespace xios |
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23 | { |
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24 | |
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25 | CContextServer::CContextServer(CContext* parent,MPI_Comm intraComm_,MPI_Comm interComm_) |
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26 | { |
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27 | context=parent ; |
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28 | intraComm=intraComm_ ; |
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29 | MPI_Comm_size(intraComm,&intraCommSize) ; |
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30 | MPI_Comm_rank(intraComm,&intraCommRank) ; |
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31 | interComm=interComm_ ; |
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32 | int flag ; |
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33 | MPI_Comm_test_inter(interComm,&flag) ; |
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34 | if (flag) MPI_Comm_remote_size(interComm,&commSize); |
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35 | else MPI_Comm_size(interComm,&commSize) ; |
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36 | currentTimeLine=0 ; |
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37 | scheduled=false ; |
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38 | finished=false ; |
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39 | |
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40 | boost::hash<string> hashString ; |
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41 | hashId=hashString(context->getId()) ; |
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42 | |
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43 | } |
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44 | void CContextServer::setPendingEvent(void) |
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45 | { |
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46 | pendingEvent=true ; |
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47 | } |
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48 | |
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49 | bool CContextServer::hasPendingEvent(void) |
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50 | { |
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51 | return pendingEvent ; |
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52 | } |
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53 | |
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54 | bool CContextServer::eventLoop(void) |
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55 | { |
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56 | listen() ; |
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57 | checkPendingRequest() ; |
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58 | processEvents() ; |
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59 | return finished ; |
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60 | } |
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61 | |
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62 | void CContextServer::listen(void) |
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63 | { |
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64 | int rank; |
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65 | int flag ; |
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66 | int count ; |
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67 | char * addr ; |
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68 | MPI_Status status; |
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69 | map<int,CServerBuffer*>::iterator it; |
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70 | |
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71 | for(rank=0;rank<commSize;rank++) |
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72 | { |
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73 | if (pendingRequest.find(rank)==pendingRequest.end()) |
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74 | { |
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75 | traceOff() ; |
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76 | MPI_Iprobe(rank,20,interComm,&flag,&status); |
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77 | traceOn() ; |
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78 | if (flag==true) |
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79 | { |
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80 | it=buffers.find(rank) ; |
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81 | if (it==buffers.end()) |
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82 | it=(buffers.insert(pair<int,CServerBuffer*>(rank,new CServerBuffer))).first ; |
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83 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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84 | if (it->second->isBufferFree(count)) |
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85 | { |
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86 | addr=(char*)it->second->getBuffer(count) ; |
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87 | MPI_Irecv(addr,count,MPI_CHAR,rank,20,interComm,&pendingRequest[rank]) ; |
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88 | bufferRequest[rank]=addr ; |
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89 | } |
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90 | } |
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91 | } |
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92 | } |
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93 | } |
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94 | |
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95 | void CContextServer::checkPendingRequest(void) |
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96 | { |
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97 | map<int,MPI_Request>::iterator it; |
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98 | list<int> recvRequest ; |
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99 | list<int>::iterator itRecv; |
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100 | int rank ; |
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101 | int flag ; |
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102 | int count ; |
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103 | MPI_Status status ; |
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104 | |
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105 | for(it=pendingRequest.begin();it!=pendingRequest.end();it++) |
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106 | { |
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107 | rank=it->first ; |
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108 | traceOff() ; |
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109 | MPI_Test(& it->second, &flag, &status) ; |
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110 | traceOn() ; |
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111 | if (flag==true) |
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112 | { |
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113 | recvRequest.push_back(rank) ; |
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114 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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115 | processRequest(rank,bufferRequest[rank],count) ; |
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116 | } |
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117 | } |
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118 | |
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119 | for(itRecv=recvRequest.begin();itRecv!=recvRequest.end();itRecv++) |
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120 | { |
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121 | pendingRequest.erase(*itRecv) ; |
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122 | bufferRequest.erase(*itRecv) ; |
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123 | } |
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124 | } |
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125 | |
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126 | void CContextServer::processRequest(int rank, char* buff,int count) |
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127 | { |
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128 | |
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129 | CBufferIn buffer(buff,count) ; |
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130 | char* startBuffer,endBuffer ; |
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131 | int size, offset ; |
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132 | size_t timeLine ; |
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133 | map<size_t,CEventServer*>::iterator it ; |
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134 | |
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135 | while(count>0) |
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136 | { |
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137 | char* startBuffer=(char*)buffer.ptr() ; |
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138 | CBufferIn newBuffer(startBuffer,buffer.remain()) ; |
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139 | newBuffer>>size>>timeLine ; |
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140 | |
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141 | it=events.find(timeLine) ; |
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142 | if (it==events.end()) it=events.insert(pair<int,CEventServer*>(timeLine,new CEventServer)).first ; |
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143 | it->second->push(rank,buffers[rank],startBuffer,size) ; |
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144 | |
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145 | buffer.advance(size) ; |
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146 | count=buffer.remain() ; |
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147 | } |
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148 | |
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149 | } |
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150 | |
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151 | void CContextServer::processEvents(void) |
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152 | { |
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153 | map<size_t,CEventServer*>::iterator it ; |
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154 | CEventServer* event ; |
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155 | |
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156 | it=events.find(currentTimeLine) ; |
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157 | if (it!=events.end()) |
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158 | { |
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159 | event=it->second ; |
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160 | |
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161 | if (event->isFull()) |
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162 | { |
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163 | if (!scheduled && !CXios::isServer) |
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164 | { |
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165 | CServer::eventScheduler->registerEvent(currentTimeLine,hashId) ; |
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166 | scheduled=true ; |
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167 | } |
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168 | else if (CXios::isServer || CServer::eventScheduler->queryEvent(currentTimeLine,hashId) ) |
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169 | { |
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170 | CTimer::get("Process events").resume() ; |
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171 | dispatchEvent(*event) ; |
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172 | CTimer::get("Process events").suspend() ; |
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173 | pendingEvent=false ; |
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174 | delete event ; |
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175 | events.erase(it) ; |
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176 | currentTimeLine++ ; |
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177 | scheduled = false ; |
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178 | } |
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179 | } |
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180 | } |
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181 | } |
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182 | |
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183 | CContextServer::~CContextServer() |
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184 | { |
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185 | map<int,CServerBuffer*>::iterator it ; |
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186 | for(it=buffers.begin();it!=buffers.end();++it) delete it->second ; |
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187 | } |
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188 | |
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189 | |
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190 | void CContextServer::dispatchEvent(CEventServer& event) |
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191 | { |
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192 | string contextName ; |
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193 | string buff ; |
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194 | int MsgSize ; |
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195 | int rank ; |
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196 | list<CEventServer::SSubEvent>::iterator it ; |
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197 | CContext::setCurrent(context->getId()) ; |
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198 | |
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199 | if (event.classId==CContext::GetType() && event.type==CContext::EVENT_ID_CONTEXT_FINALIZE) |
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200 | { |
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201 | info(20)<<"Server Side context <"<<context->getId()<<"> finalized"<<endl ; |
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202 | context->finalize() ; |
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203 | finished=true ; |
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204 | report(0)<< " Memory report : Context <"<<context->getId()<<"> : server side : total memory used for buffer "<<buffers.size()*CXios::bufferSize<<" bytes"<<endl ; |
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205 | } |
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206 | else if (event.classId==CContext::GetType()) CContext::dispatchEvent(event) ; |
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207 | else if (event.classId==CContextGroup::GetType()) CContextGroup::dispatchEvent(event) ; |
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208 | else if (event.classId==CDomain::GetType()) CDomain::dispatchEvent(event) ; |
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209 | else if (event.classId==CDomainGroup::GetType()) CDomainGroup::dispatchEvent(event) ; |
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210 | else if (event.classId==CAxis::GetType()) CAxis::dispatchEvent(event) ; |
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211 | else if (event.classId==CAxisGroup::GetType()) CAxisGroup::dispatchEvent(event) ; |
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212 | else if (event.classId==CGrid::GetType()) CGrid::dispatchEvent(event) ; |
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213 | else if (event.classId==CGridGroup::GetType()) CGridGroup::dispatchEvent(event) ; |
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214 | else if (event.classId==CField::GetType()) CField::dispatchEvent(event) ; |
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215 | else if (event.classId==CFieldGroup::GetType()) CFieldGroup::dispatchEvent(event) ; |
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216 | else if (event.classId==CFile::GetType()) CFile::dispatchEvent(event) ; |
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217 | else if (event.classId==CFileGroup::GetType()) CFileGroup::dispatchEvent(event) ; |
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218 | else if (event.classId==CVariable::GetType()) CVariable::dispatchEvent(event) ; |
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219 | else |
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220 | { |
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221 | ERROR("void CContextServer::dispatchEvent(CEventServer& event)",<<" Bad event class Id"<<endl) ; |
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222 | } |
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223 | } |
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224 | } |
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