1 | #include "xmlioserver_spl.hpp" |
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2 | #include "context_client.hpp" |
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3 | #include "context_server.hpp" |
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4 | #include "event_client.hpp" |
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5 | #include "buffer_out.hpp" |
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6 | #include "buffer_client.hpp" |
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7 | #include "type.hpp" |
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8 | #include "message.hpp" |
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9 | #include "event_client.hpp" |
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10 | #include "context.hpp" |
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11 | #include "mpi.hpp" |
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12 | #include "timer.hpp" |
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13 | #include "cxios.hpp" |
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14 | |
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15 | namespace xios |
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16 | { |
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17 | /*! |
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18 | \param [in] parent Pointer to context on client side |
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19 | \param [in] intraComm_ communicator of group client |
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20 | \param [in] interComm_ communicator of group server |
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21 | \cxtSer [in] cxtSer Pointer to context of server side. (It is only used on case of attached mode) |
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22 | */ |
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23 | CContextClient::CContextClient(CContext* parent,MPI_Comm intraComm_, MPI_Comm interComm_, CContext* cxtSer) |
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24 | : mapBufferSize_(), parentServer(cxtSer) |
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25 | { |
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26 | context=parent ; |
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27 | intraComm=intraComm_ ; |
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28 | interComm=interComm_ ; |
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29 | MPI_Comm_rank(intraComm,&clientRank) ; |
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30 | MPI_Comm_size(intraComm,&clientSize) ; |
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31 | |
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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,&serverSize); |
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35 | else MPI_Comm_size(interComm,&serverSize) ; |
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36 | |
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37 | timeLine=0 ; |
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38 | |
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39 | } |
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40 | |
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41 | /*! |
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42 | In case of attached mode, the current context must be reset to context for client |
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43 | \param [in] event Event sent to server |
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44 | */ |
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45 | void CContextClient::sendEvent(CEventClient& event) |
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46 | { |
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47 | list<int>::iterator itServer ; |
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48 | list<int> ranks ; |
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49 | list<int> sizes ; |
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50 | list<int>::iterator itSize ; |
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51 | |
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52 | ranks=event.getRanks() ; |
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53 | if (! event.isEmpty()) |
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54 | { |
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55 | sizes=event.getSizes() ; |
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56 | CMessage msg ; |
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57 | |
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58 | msg<<*(sizes.begin())<<timeLine ; |
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59 | for(list<int>::iterator it=sizes.begin();it!=sizes.end();it++) *it+=msg.size() ; |
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60 | list<CBufferOut*> buffList=getBuffers(ranks,sizes) ; |
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61 | |
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62 | list<CBufferOut*>::iterator it ; |
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63 | for(it=buffList.begin(),itSize=sizes.begin();it!=buffList.end();++it,++itSize) |
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64 | { |
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65 | **it<<*itSize<<timeLine ; |
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66 | } |
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67 | event.send(buffList) ; |
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68 | checkBuffers(ranks) ; |
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69 | } |
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70 | |
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71 | // if (context->hasServer) |
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72 | if (0 != parentServer) |
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73 | { |
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74 | waitEvent(ranks); |
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75 | CContext::setCurrent(context->getId()); |
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76 | } |
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77 | |
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78 | timeLine++ ; |
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79 | } |
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80 | |
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81 | /*! |
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82 | Special function to setup size of buffer not only on client side but also on server side |
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83 | corresponding to the connection |
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84 | */ |
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85 | void CContextClient::sendBufferSizeEvent() |
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86 | { |
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87 | std::map<int, CClientBuffer*>::iterator it, itE; |
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88 | std::map<int, StdSize>::const_iterator itMap = mapBufferSize_.begin(), iteMap = mapBufferSize_.end(); |
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89 | |
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90 | if (itMap == iteMap) |
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91 | ERROR("CBufferOut* CContextClient::sendBufferSizeEvent() ;", |
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92 | <<"No information about server buffer, that should not happen..."); |
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93 | |
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94 | for (; itMap != iteMap; ++itMap) |
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95 | { |
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96 | if (buffers.end() == buffers.find(itMap->first)) |
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97 | newBuffer(itMap->first); |
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98 | } |
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99 | |
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100 | CBufferOut* bufOut(NULL); |
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101 | itE = buffers.end(); |
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102 | for (it = buffers.begin(); it != itE; ++it) |
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103 | { |
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104 | bufOut = (it->second)->getBuffer(sizeof(StdSize)); |
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105 | bufOut->put(mapBufferSize_[it->first]); // Stupid C++ |
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106 | (it->second)->checkBuffer(); |
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107 | } |
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108 | } |
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109 | |
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110 | /*! |
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111 | If client is also server (attached mode), after sending event, it should process right away |
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112 | the incoming event. |
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113 | \param [in] ranks list rank of server connected this client |
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114 | */ |
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115 | void CContextClient::waitEvent(list<int>& ranks) |
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116 | { |
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117 | // context->server->setPendingEvent() ; |
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118 | // while(checkBuffers(ranks)) |
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119 | // { |
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120 | // context->server->listen() ; |
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121 | // context->server->checkPendingRequest() ; |
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122 | // } |
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123 | // |
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124 | // while(context->server->hasPendingEvent()) |
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125 | // { |
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126 | // context->server->eventLoop() ; |
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127 | // } |
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128 | |
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129 | parentServer->server->setPendingEvent() ; |
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130 | while(checkBuffers(ranks)) |
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131 | { |
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132 | parentServer->server->listen() ; |
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133 | parentServer->server->checkPendingRequest() ; |
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134 | } |
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135 | |
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136 | while(parentServer->server->hasPendingEvent()) |
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137 | { |
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138 | parentServer->server->eventLoop() ; |
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139 | } |
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140 | } |
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141 | |
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142 | /*! |
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143 | Setup buffer for each connection to server and verify their state to put content into them |
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144 | \param [in] serverList list of rank of connected server |
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145 | \param [in] sizeList size of message corresponding to each connection |
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146 | \return List of buffer input which event can be placed |
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147 | */ |
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148 | list<CBufferOut*> CContextClient::getBuffers(list<int>& serverList, list<int>& sizeList) |
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149 | { |
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150 | list<int>::iterator itServer,itSize ; |
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151 | list<CClientBuffer*> bufferList ; |
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152 | map<int,CClientBuffer*>::iterator it ; |
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153 | list<CClientBuffer*>::iterator itBuffer ; |
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154 | list<CBufferOut*> retBuffer ; |
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155 | bool free ; |
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156 | |
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157 | for(itServer=serverList.begin();itServer!=serverList.end();itServer++) |
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158 | { |
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159 | it=buffers.find(*itServer) ; |
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160 | if (it==buffers.end()) |
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161 | { |
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162 | newBuffer(*itServer) ; |
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163 | it=buffers.find(*itServer) ; |
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164 | } |
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165 | bufferList.push_back(it->second) ; |
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166 | } |
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167 | free=false ; |
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168 | |
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169 | CTimer::get("Blocking time").resume(); |
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170 | while(!free) |
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171 | { |
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172 | free=true ; |
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173 | for(itBuffer=bufferList.begin(),itSize=sizeList.begin(); itBuffer!=bufferList.end();itBuffer++,itSize++) |
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174 | { |
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175 | (*itBuffer)->checkBuffer() ; |
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176 | free&=(*itBuffer)->isBufferFree(*itSize) ; |
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177 | } |
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178 | } |
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179 | CTimer::get("Blocking time").suspend(); |
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180 | |
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181 | for(itBuffer=bufferList.begin(),itSize=sizeList.begin(); itBuffer!=bufferList.end();itBuffer++,itSize++) |
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182 | { |
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183 | retBuffer.push_back((*itBuffer)->getBuffer(*itSize)) ; |
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184 | } |
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185 | return retBuffer ; |
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186 | |
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187 | } |
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188 | |
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189 | /*! |
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190 | Make a new buffer for a certain connection to server with specific rank |
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191 | \param [in] rank rank of connected server |
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192 | */ |
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193 | void CContextClient::newBuffer(int rank) |
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194 | { |
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195 | buffers[rank]=new CClientBuffer(interComm,rank, mapBufferSize_[rank]) ; |
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196 | } |
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197 | |
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198 | /*! |
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199 | Verify state of buffers. Buffer is under pending state if there is no message on it |
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200 | \return state of buffers, pending(true), ready(false) |
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201 | */ |
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202 | bool CContextClient::checkBuffers(void) |
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203 | { |
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204 | map<int,CClientBuffer*>::iterator itBuff ; |
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205 | bool pending=false ; |
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206 | for(itBuff=buffers.begin();itBuff!=buffers.end();itBuff++) pending|=itBuff->second->checkBuffer() ; |
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207 | return pending ; |
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208 | } |
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209 | |
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210 | //! Release all buffers |
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211 | void CContextClient::releaseBuffers(void) |
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212 | { |
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213 | map<int,CClientBuffer*>::iterator itBuff ; |
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214 | for(itBuff=buffers.begin();itBuff!=buffers.end();itBuff++) delete itBuff->second ; |
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215 | } |
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216 | |
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217 | /*! |
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218 | Verify state of buffers corresponding to a connection |
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219 | \param [in] ranks list rank of server to which client connects to |
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220 | \return state of buffers, pending(true), ready(false) |
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221 | */ |
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222 | bool CContextClient::checkBuffers(list<int>& ranks) |
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223 | { |
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224 | list<int>::iterator it ; |
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225 | bool pending=false ; |
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226 | for(it=ranks.begin();it!=ranks.end();it++) pending|=buffers[*it]->checkBuffer() ; |
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227 | return pending ; |
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228 | } |
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229 | |
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230 | /*! |
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231 | Set buffer size for each connection |
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232 | \param [in] mapSize mapping rank of connected server to size of allocated buffer |
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233 | */ |
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234 | void CContextClient::setBufferSize(const std::map<int, StdSize>& mapSize) |
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235 | { |
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236 | mapBufferSize_ = mapSize; |
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237 | sendBufferSizeEvent(); |
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238 | } |
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239 | |
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240 | /*! |
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241 | Get leading server in the group of connected server |
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242 | \return rank of leading server |
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243 | */ |
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244 | int CContextClient::getServerLeader(void) |
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245 | { |
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246 | int clientByServer=clientSize/serverSize ; |
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247 | int remain=clientSize%serverSize ; |
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248 | |
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249 | if (clientRank<(clientByServer+1)*remain) |
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250 | { |
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251 | return clientRank/(clientByServer+1) ; |
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252 | } |
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253 | else |
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254 | { |
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255 | int rank=clientRank-(clientByServer+1)*remain ; |
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256 | int nbServer=serverSize-remain ; |
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257 | return remain+rank/clientByServer ; |
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258 | } |
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259 | } |
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260 | |
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261 | /*! |
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262 | Check if client connects to leading server |
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263 | \return connected(true), not connected (false) |
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264 | */ |
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265 | bool CContextClient::isServerLeader(void) |
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266 | { |
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267 | int clientByServer=clientSize/serverSize ; |
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268 | int remain=clientSize%serverSize ; |
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269 | |
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270 | if (clientRank<(clientByServer+1)*remain) |
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271 | { |
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272 | if (clientRank%(clientByServer+1)==0) return true ; |
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273 | else return false ; |
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274 | } |
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275 | else |
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276 | { |
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277 | int rank=clientRank-(clientByServer+1)*remain ; |
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278 | int nbServer=serverSize-remain ; |
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279 | if (rank%clientByServer==0) return true ; |
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280 | else return false ; |
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281 | } |
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282 | } |
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283 | |
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284 | /*! |
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285 | Finalize context client and do some reports |
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286 | */ |
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287 | void CContextClient::finalize(void) |
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288 | { |
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289 | map<int,CClientBuffer*>::iterator itBuff ; |
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290 | bool stop=true ; |
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291 | |
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292 | CEventClient event(CContext::GetType(),CContext::EVENT_ID_CONTEXT_FINALIZE) ; |
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293 | if (isServerLeader()) |
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294 | { |
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295 | CMessage msg ; |
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296 | event.push(getServerLeader(),1,msg) ; |
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297 | sendEvent(event) ; |
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298 | } |
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299 | else sendEvent(event) ; |
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300 | |
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301 | CTimer::get("Blocking time").resume(); |
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302 | while(stop) |
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303 | { |
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304 | checkBuffers() ; |
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305 | stop=false ; |
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306 | for(itBuff=buffers.begin();itBuff!=buffers.end();itBuff++) stop|=itBuff->second->hasPendingRequest() ; |
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307 | } |
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308 | CTimer::get("Blocking time").suspend(); |
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309 | |
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310 | std::map<int, StdSize>::const_iterator itbMap = mapBufferSize_.begin(), |
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311 | iteMap = mapBufferSize_.end(), itMap; |
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312 | StdSize totalBuf = 0; |
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313 | for (itMap = itbMap; itMap != iteMap; ++itMap) |
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314 | { |
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315 | report(10)<< " Memory report : Context <"<<context->getId()<<"> : client side : memory used for buffer of each connection to server" << endl |
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316 | << " +) To server with rank " << itMap->first << " : " << itMap->second << " bytes " << endl; |
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317 | totalBuf += itMap->second; |
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318 | } |
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319 | report(0)<< " Memory report : Context <"<<context->getId()<<"> : client side : total memory used for buffer "<<totalBuf<<" bytes"<<endl ; |
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320 | |
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321 | releaseBuffers() ; |
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322 | } |
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323 | } |
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