1 | #include "globalScopeData.hpp" |
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2 | #include "xios_spl.hpp" |
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3 | #include "cxios.hpp" |
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4 | #include "server.hpp" |
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5 | #include "client.hpp" |
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6 | #include "type.hpp" |
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7 | #include "context.hpp" |
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8 | #include "object_template.hpp" |
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9 | #include "oasis_cinterface.hpp" |
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10 | #include <boost/functional/hash.hpp> |
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11 | #include <boost/algorithm/string.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 "event_scheduler.hpp" |
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16 | |
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17 | namespace xios |
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18 | { |
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19 | MPI_Comm CServer::intraComm ; |
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20 | list<MPI_Comm> CServer::interCommLeft ; |
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21 | list<MPI_Comm> CServer::interCommRight ; |
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22 | list<MPI_Comm> CServer::interComm ; |
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23 | std::list<MPI_Comm> CServer::contextInterComms; |
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24 | int CServer::serverLevel = 0 ; |
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25 | int CServer::nbPools = 0; |
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26 | int CServer::poolId = 0; |
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27 | int CServer::serverSize = 0; |
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28 | bool CServer::isRoot = false ; |
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29 | int CServer::rank = INVALID_RANK; |
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30 | StdOFStream CServer::m_infoStream; |
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31 | StdOFStream CServer::m_errorStream; |
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32 | map<string,CContext*> CServer::contextList ; |
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33 | bool CServer::finished=false ; |
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34 | bool CServer::is_MPI_Initialized ; |
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35 | CEventScheduler* CServer::eventScheduler = 0; |
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36 | |
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37 | //--------------------------------------------------------------- |
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38 | /*! |
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39 | * \fn void CServer::initialize(void) |
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40 | * Creates intraComm and interComm for a server pool (primary or secondary). |
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41 | */ |
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42 | void CServer::initialize(void) |
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43 | { |
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44 | int initialized ; |
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45 | MPI_Initialized(&initialized) ; |
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46 | if (initialized) is_MPI_Initialized=true ; |
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47 | else is_MPI_Initialized=false ; |
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48 | |
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49 | // Not using OASIS |
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50 | if (!CXios::usingOasis) |
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51 | { |
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52 | |
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53 | if (!is_MPI_Initialized) |
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54 | { |
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55 | MPI_Init(NULL, NULL); |
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56 | } |
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57 | CTimer::get("XIOS").resume() ; |
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58 | |
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59 | boost::hash<string> hashString ; |
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60 | // unsigned long hashServer1 = hashString(CXios::xiosCodeIdPrm); |
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61 | // unsigned long hashServer2 = hashString(CXios::xiosCodeIdSnd); |
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62 | // unsigned long hashServer = (CXios::serverLevel < 2) ? hashServer1 : hashServer2; |
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63 | unsigned long hashServer = hashString(CXios::xiosCodeId); |
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64 | |
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65 | unsigned long* hashAll ; |
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66 | // unsigned long* hashAllServers ; |
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67 | |
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68 | // int rank ; |
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69 | int size ; |
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70 | int myColor ; |
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71 | int i,c ; |
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72 | MPI_Comm newComm, serversComm; |
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73 | |
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74 | MPI_Comm_size(CXios::globalComm, &size) ; |
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75 | MPI_Comm_rank(CXios::globalComm, &rank); |
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76 | |
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77 | hashAll=new unsigned long[size] ; |
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78 | MPI_Allgather(&hashServer, 1, MPI_LONG, hashAll, 1, MPI_LONG, CXios::globalComm) ; |
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79 | |
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80 | map<unsigned long, int> colors ; |
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81 | map<unsigned long, int> leaders ; |
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82 | map<unsigned long, int>::iterator it ; |
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83 | |
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84 | for(i=0,c=0;i<size;i++) |
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85 | { |
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86 | if (colors.find(hashAll[i])==colors.end()) |
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87 | { |
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88 | colors[hashAll[i]]=c ; |
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89 | leaders[hashAll[i]]=i ; |
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90 | c++ ; |
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91 | } |
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92 | } |
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93 | |
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94 | // Setting the number of secondary pools |
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95 | myColor = colors[hashServer]; |
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96 | if (CXios::usingServer2) |
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97 | { |
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98 | int serverRank = rank - leaders[hashServer]; // server proc rank starting 0 |
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99 | serverSize = size - leaders[hashServer]; |
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100 | nbPools = serverSize * CXios::ratioServer2 / 100; |
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101 | if ( serverRank < (serverSize - nbPools) ) |
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102 | { |
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103 | serverLevel = 1; |
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104 | } |
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105 | else |
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106 | { |
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107 | serverLevel = 2; |
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108 | poolId = serverRank - serverSize + nbPools; |
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109 | myColor = rank; |
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110 | } |
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111 | } |
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112 | |
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113 | MPI_Comm_split(CXios::globalComm, myColor, rank, &intraComm) ; |
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114 | |
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115 | if (serverLevel == 0) |
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116 | { |
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117 | int clientLeader; |
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118 | for(it=leaders.begin();it!=leaders.end();it++) |
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119 | { |
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120 | if (it->first!=hashServer) |
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121 | { |
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122 | clientLeader=it->second ; |
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123 | int intraCommSize, intraCommRank ; |
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124 | MPI_Comm_size(intraComm,&intraCommSize) ; |
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125 | MPI_Comm_rank(intraComm,&intraCommRank) ; |
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126 | info(50)<<"intercommCreate::server "<<rank<<" intraCommSize : "<<intraCommSize |
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127 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< clientLeader<<endl ; |
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128 | |
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129 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, clientLeader, 0, &newComm) ; |
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130 | interCommLeft.push_back(newComm) ; |
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131 | interComm.push_back(newComm) ; |
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132 | } |
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133 | } |
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134 | } |
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135 | else if (serverLevel == 1) |
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136 | { |
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137 | int clientLeader, srvPrmLeader, srvSndLeader; |
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138 | for (it=leaders.begin();it!=leaders.end();it++) |
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139 | { |
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140 | if (it->first != hashServer) |
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141 | { |
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142 | clientLeader=it->second ; |
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143 | int intraCommSize, intraCommRank ; |
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144 | MPI_Comm_size(intraComm, &intraCommSize) ; |
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145 | MPI_Comm_rank(intraComm, &intraCommRank) ; |
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146 | info(50)<<"intercommCreate::server "<<rank<<" intraCommSize : "<<intraCommSize |
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147 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< clientLeader<<endl ; |
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148 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, clientLeader, 0, &newComm) ; |
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149 | interCommLeft.push_back(newComm) ; |
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150 | interComm.push_back(newComm) ; |
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151 | } |
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152 | else |
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153 | srvPrmLeader = it->second; |
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154 | } |
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155 | |
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156 | for (int i = 0; i < nbPools; ++i) |
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157 | { |
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158 | srvSndLeader = srvPrmLeader + serverSize - nbPools + i; |
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159 | // CClient::initializeClientOnServer(rank, serversComm, srvSndLeader); |
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160 | CClient::initializeClientOnServer(rank, intraComm, srvSndLeader); |
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161 | interCommRight.push_back(CClient::getInterComm()); |
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162 | interComm.push_back(CClient::getInterComm()); |
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163 | } |
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164 | } // primary server |
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165 | else |
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166 | { |
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167 | int clientLeader; |
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168 | clientLeader = leaders[hashString(CXios::xiosCodeId)]; |
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169 | int intraCommSize, intraCommRank ; |
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170 | MPI_Comm_size(intraComm, &intraCommSize) ; |
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171 | MPI_Comm_rank(intraComm, &intraCommRank) ; |
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172 | info(50)<<"intercommCreate::server "<<rank<<" intraCommSize : "<<intraCommSize |
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173 | <<" intraCommRank :"<<intraCommRank<<" clientLeader "<< clientLeader<<endl ; |
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174 | |
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175 | MPI_Intercomm_create(intraComm, 0, CXios::globalComm, clientLeader, 0, &newComm) ; |
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176 | interCommLeft.push_back(newComm) ; |
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177 | interComm.push_back(newComm) ; |
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178 | } // secondary server |
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179 | |
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180 | delete [] hashAll ; |
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181 | |
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182 | } |
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183 | // using OASIS |
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184 | else |
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185 | { |
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186 | // int rank ,size; |
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187 | int size; |
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188 | if (!is_MPI_Initialized) oasis_init(CXios::xiosCodeId); |
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189 | |
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190 | CTimer::get("XIOS").resume() ; |
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191 | MPI_Comm localComm; |
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192 | oasis_get_localcomm(localComm); |
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193 | MPI_Comm_dup(localComm, &intraComm); |
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194 | |
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195 | MPI_Comm_rank(intraComm,&rank) ; |
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196 | MPI_Comm_size(intraComm,&size) ; |
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197 | string codesId=CXios::getin<string>("oasis_codes_id") ; |
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198 | |
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199 | vector<string> splitted ; |
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200 | boost::split( splitted, codesId, boost::is_any_of(","), boost::token_compress_on ) ; |
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201 | vector<string>::iterator it ; |
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202 | |
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203 | MPI_Comm newComm ; |
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204 | int globalRank ; |
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205 | MPI_Comm_rank(CXios::globalComm,&globalRank); |
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206 | |
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207 | for(it=splitted.begin();it!=splitted.end();it++) |
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208 | { |
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209 | oasis_get_intercomm(newComm,*it) ; |
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210 | if (rank==0) MPI_Send(&globalRank,1,MPI_INT,0,0,newComm) ; |
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211 | MPI_Comm_remote_size(newComm,&size); |
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212 | interComm.push_back(newComm) ; |
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213 | } |
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214 | oasis_enddef() ; |
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215 | } |
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216 | |
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217 | MPI_Comm_rank(intraComm, &rank) ; |
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218 | if (rank==0) isRoot=true; |
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219 | else isRoot=false; |
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220 | |
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221 | eventScheduler = new CEventScheduler(intraComm) ; |
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222 | } |
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223 | |
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224 | void CServer::finalize(void) |
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225 | { |
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226 | |
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227 | CTimer::get("XIOS").suspend() ; |
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228 | |
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229 | delete eventScheduler ; |
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230 | |
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231 | for (std::list<MPI_Comm>::iterator it = contextInterComms.begin(); it != contextInterComms.end(); it++) |
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232 | MPI_Comm_free(&(*it)); |
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233 | |
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234 | // for (std::list<MPI_Comm>::iterator it = interComm.begin(); it != interComm.end(); it++) |
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235 | // MPI_Comm_free(&(*it)); |
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236 | |
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237 | for (std::list<MPI_Comm>::iterator it = interCommLeft.begin(); it != interCommLeft.end(); it++) |
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238 | MPI_Comm_free(&(*it)); |
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239 | |
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240 | for (std::list<MPI_Comm>::iterator it = interCommRight.begin(); it != interCommRight.end(); it++) |
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241 | MPI_Comm_free(&(*it)); |
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242 | |
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243 | MPI_Comm_free(&intraComm); |
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244 | |
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245 | if (!is_MPI_Initialized) |
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246 | { |
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247 | if (CXios::usingOasis) oasis_finalize(); |
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248 | else MPI_Finalize() ; |
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249 | } |
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250 | report(0)<<"Performance report : Time spent for XIOS : "<<CTimer::get("XIOS server").getCumulatedTime()<<endl ; |
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251 | report(0)<<"Performance report : Time spent in processing events : "<<CTimer::get("Process events").getCumulatedTime()<<endl ; |
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252 | report(0)<<"Performance report : Ratio : "<<CTimer::get("Process events").getCumulatedTime()/CTimer::get("XIOS server").getCumulatedTime()*100.<<"%"<<endl ; |
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253 | } |
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254 | |
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255 | void CServer::eventLoop(void) |
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256 | { |
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257 | bool stop=false ; |
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258 | |
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259 | CTimer::get("XIOS server").resume() ; |
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260 | while(!stop) |
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261 | { |
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262 | |
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263 | if (isRoot) |
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264 | { |
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265 | listenContext(); |
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266 | if (!finished) listenFinalize() ; |
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267 | } |
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268 | else |
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269 | { |
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270 | listenRootContext(); |
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271 | if (!finished) listenRootFinalize() ; |
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272 | } |
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273 | |
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274 | contextEventLoop() ; |
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275 | if (finished && contextList.empty()) stop=true ; |
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276 | eventScheduler->checkEvent() ; |
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277 | |
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278 | } |
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279 | CTimer::get("XIOS server").suspend() ; |
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280 | } |
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281 | |
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282 | void CServer::listenFinalize(void) |
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283 | { |
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284 | list<MPI_Comm>::iterator it, itr; |
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285 | int msg ; |
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286 | int flag ; |
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287 | |
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288 | for(it=interCommLeft.begin();it!=interCommLeft.end();it++) |
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289 | { |
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290 | MPI_Status status ; |
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291 | traceOff() ; |
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292 | MPI_Iprobe(0,0,*it,&flag,&status) ; |
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293 | traceOn() ; |
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294 | if (flag==true) |
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295 | { |
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296 | MPI_Recv(&msg,1,MPI_INT,0,0,*it,&status) ; |
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297 | info(20)<<" CServer : Receive client finalize"<<endl ; |
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298 | |
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299 | // If primary server, send finalize to secondary server pool(s) |
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300 | for(itr=interCommRight.begin(); itr!=interCommRight.end(); itr++) |
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301 | { |
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302 | MPI_Send(&msg,1,MPI_INT,0,0,*itr) ; |
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303 | // MPI_Comm_free(&(*itr)); |
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304 | // interCommRight.erase(itr) ; |
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305 | } |
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306 | |
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307 | MPI_Comm_free(&(*it)); |
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308 | // interComm.erase(it) ; |
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309 | interCommLeft.erase(it) ; |
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310 | break ; |
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311 | } |
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312 | } |
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313 | |
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314 | if (interCommLeft.empty()) |
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315 | // if (interComm.empty()) |
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316 | { |
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317 | int i,size ; |
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318 | MPI_Comm_size(intraComm,&size) ; |
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319 | MPI_Request* requests= new MPI_Request[size-1] ; |
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320 | MPI_Status* status= new MPI_Status[size-1] ; |
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321 | |
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322 | for(int i=1;i<size;i++) MPI_Isend(&msg,1,MPI_INT,i,4,intraComm,&requests[i-1]) ; |
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323 | MPI_Waitall(size-1,requests,status) ; |
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324 | |
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325 | finished=true ; |
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326 | delete [] requests ; |
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327 | delete [] status ; |
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328 | } |
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329 | } |
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330 | |
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331 | |
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332 | void CServer::listenRootFinalize() |
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333 | { |
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334 | int flag ; |
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335 | MPI_Status status ; |
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336 | int msg ; |
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337 | |
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338 | traceOff() ; |
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339 | MPI_Iprobe(0,4,intraComm, &flag, &status) ; |
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340 | traceOn() ; |
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341 | if (flag==true) |
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342 | { |
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343 | MPI_Recv(&msg,1,MPI_INT,0,4,intraComm,&status) ; |
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344 | finished=true ; |
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345 | } |
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346 | } |
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347 | |
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348 | void CServer::listenContext(void) |
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349 | { |
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350 | |
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351 | MPI_Status status ; |
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352 | int flag ; |
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353 | static void* buffer ; |
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354 | static MPI_Request request ; |
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355 | static bool recept=false ; |
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356 | int rank ; |
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357 | int count ; |
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358 | |
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359 | if (recept==false) |
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360 | { |
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361 | traceOff() ; |
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362 | MPI_Iprobe(MPI_ANY_SOURCE,1,CXios::globalComm, &flag, &status) ; |
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363 | traceOn() ; |
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364 | if (flag==true) |
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365 | { |
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366 | rank=status.MPI_SOURCE ; |
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367 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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368 | buffer=new char[count] ; |
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369 | MPI_Irecv(buffer,count,MPI_CHAR,rank,1,CXios::globalComm,&request) ; |
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370 | recept=true ; |
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371 | } |
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372 | } |
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373 | else |
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374 | { |
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375 | traceOff() ; |
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376 | MPI_Test(&request,&flag,&status) ; |
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377 | traceOn() ; |
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378 | if (flag==true) |
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379 | { |
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380 | rank=status.MPI_SOURCE ; |
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381 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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382 | recvContextMessage(buffer,count) ; |
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383 | delete [] buffer ; |
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384 | recept=false ; |
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385 | } |
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386 | } |
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387 | } |
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388 | |
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389 | void CServer::recvContextMessage(void* buff,int count) |
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390 | { |
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391 | static map<string,contextMessage> recvContextId; |
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392 | |
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393 | map<string,contextMessage>::iterator it ; |
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394 | |
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395 | CBufferIn buffer(buff,count) ; |
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396 | string id ; |
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397 | int clientLeader ; |
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398 | int nbMessage ; |
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399 | |
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400 | buffer>>id>>nbMessage>>clientLeader ; |
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401 | |
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402 | it=recvContextId.find(id) ; |
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403 | if (it==recvContextId.end()) |
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404 | { |
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405 | contextMessage msg={0,0} ; |
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406 | pair<map<string,contextMessage>::iterator,bool> ret ; |
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407 | ret=recvContextId.insert(pair<string,contextMessage>(id,msg)) ; |
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408 | it=ret.first ; |
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409 | } |
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410 | it->second.nbRecv+=1 ; |
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411 | it->second.leaderRank+=clientLeader ; |
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412 | |
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413 | if (it->second.nbRecv==nbMessage) |
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414 | { |
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415 | int size ; |
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416 | MPI_Comm_size(intraComm,&size) ; |
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417 | MPI_Request* requests= new MPI_Request[size-1] ; |
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418 | MPI_Status* status= new MPI_Status[size-1] ; |
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419 | |
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420 | for(int i=1;i<size;i++) |
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421 | { |
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422 | MPI_Isend(buff,count,MPI_CHAR,i,2,intraComm,&requests[i-1]) ; |
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423 | } |
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424 | MPI_Waitall(size-1,requests,status) ; |
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425 | registerContext(buff,count,it->second.leaderRank) ; |
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426 | |
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427 | recvContextId.erase(it) ; |
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428 | delete [] requests ; |
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429 | delete [] status ; |
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430 | |
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431 | } |
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432 | } |
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433 | |
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434 | void CServer::listenRootContext(void) |
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435 | { |
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436 | |
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437 | MPI_Status status ; |
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438 | int flag ; |
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439 | static void* buffer ; |
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440 | static MPI_Request request ; |
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441 | static bool recept=false ; |
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442 | int rank ; |
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443 | int count ; |
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444 | const int root=0 ; |
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445 | |
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446 | if (recept==false) |
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447 | { |
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448 | traceOff() ; |
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449 | MPI_Iprobe(root,2,intraComm, &flag, &status) ; |
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450 | traceOn() ; |
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451 | if (flag==true) |
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452 | { |
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453 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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454 | buffer=new char[count] ; |
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455 | MPI_Irecv(buffer,count,MPI_CHAR,root,2,intraComm,&request) ; |
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456 | recept=true ; |
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457 | } |
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458 | } |
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459 | else |
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460 | { |
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461 | MPI_Test(&request,&flag,&status) ; |
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462 | if (flag==true) |
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463 | { |
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464 | MPI_Get_count(&status,MPI_CHAR,&count) ; |
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465 | registerContext(buffer,count) ; |
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466 | |
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467 | delete [] buffer ; |
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468 | recept=false ; |
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469 | } |
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470 | } |
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471 | } |
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472 | |
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473 | void CServer::registerContext(void* buff, int count, int leaderRank) |
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474 | { |
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475 | string contextId; |
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476 | CBufferIn buffer(buff, count); |
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477 | buffer >> contextId; |
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478 | CContext* context; |
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479 | |
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480 | info(20) << "CServer : Register new Context : " << contextId << endl; |
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481 | |
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482 | if (contextList.find(contextId) != contextList.end()) |
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483 | ERROR("void CServer::registerContext(void* buff, int count, int leaderRank)", |
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484 | << "Context '" << contextId << "' has already been registred"); |
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485 | |
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486 | MPI_Comm contextInterComm; |
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487 | MPI_Intercomm_create(intraComm,0,CXios::globalComm,leaderRank,10+leaderRank,&contextInterComm); |
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488 | |
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489 | MPI_Comm inter; |
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490 | MPI_Intercomm_merge(contextInterComm,1,&inter); |
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491 | MPI_Barrier(inter); |
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492 | |
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493 | context=CContext::create(contextId); |
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494 | contextList[contextId]=context; |
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495 | context->initServer(intraComm,contextInterComm); |
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496 | contextInterComms.push_back(contextInterComm); |
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497 | |
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498 | if (serverLevel == 1) |
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499 | { |
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500 | // CClient::registerContext(contextId, intraComm); |
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501 | CClient::registerContextByClienOfServer(contextId, intraComm); |
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502 | } |
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503 | |
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504 | MPI_Comm_free(&inter); |
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505 | |
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506 | } |
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507 | |
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508 | void CServer::contextEventLoop(void) |
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509 | { |
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510 | bool finished ; |
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511 | map<string,CContext*>::iterator it ; |
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512 | |
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513 | for(it=contextList.begin();it!=contextList.end();it++) |
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514 | { |
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515 | finished=it->second->checkBuffersAndListen(); |
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516 | if (finished) |
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517 | { |
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518 | contextList.erase(it) ; |
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519 | break ; |
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520 | } |
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521 | } |
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522 | } |
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523 | |
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524 | //! Get rank of the current process |
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525 | int CServer::getRank() |
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526 | { |
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527 | return rank; |
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528 | } |
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529 | |
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530 | /*! |
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531 | * Open a file specified by a suffix and an extension and use it for the given file buffer. |
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532 | * The file name will be suffix+rank+extension. |
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533 | * |
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534 | * \param fileName[in] protype file name |
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535 | * \param ext [in] extension of the file |
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536 | * \param fb [in/out] the file buffer |
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537 | */ |
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538 | void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb) |
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539 | { |
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540 | StdStringStream fileNameClient; |
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541 | int numDigit = 0; |
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542 | int size = 0; |
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543 | int id; |
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544 | MPI_Comm_size(CXios::globalComm, &size); |
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545 | while (size) |
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546 | { |
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547 | size /= 10; |
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548 | ++numDigit; |
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549 | } |
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550 | |
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551 | if (!CXios::usingServer2) |
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552 | id = getRank(); |
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553 | else |
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554 | { |
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555 | if (serverLevel == 1) |
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556 | id = getRank(); |
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557 | else |
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558 | id = poolId; |
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559 | } |
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560 | fileNameClient << fileName << "_" << std::setfill('0') << std::setw(numDigit) << id << ext; |
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561 | fb->open(fileNameClient.str().c_str(), std::ios::out); |
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562 | if (!fb->is_open()) |
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563 | ERROR("void CServer::openStream(const StdString& fileName, const StdString& ext, std::filebuf* fb)", |
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564 | << std::endl << "Can not open <" << fileNameClient << "> file to write the server log(s)."); |
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565 | } |
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566 | |
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567 | /*! |
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568 | * \brief Open a file stream to write the info logs |
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569 | * Open a file stream with a specific file name suffix+rank |
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570 | * to write the info logs. |
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571 | * \param fileName [in] protype file name |
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572 | */ |
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573 | void CServer::openInfoStream(const StdString& fileName) |
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574 | { |
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575 | std::filebuf* fb = m_infoStream.rdbuf(); |
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576 | openStream(fileName, ".out", fb); |
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577 | |
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578 | info.write2File(fb); |
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579 | report.write2File(fb); |
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580 | } |
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581 | |
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582 | //! Write the info logs to standard output |
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583 | void CServer::openInfoStream() |
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584 | { |
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585 | info.write2StdOut(); |
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586 | report.write2StdOut(); |
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587 | } |
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588 | |
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589 | //! Close the info logs file if it opens |
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590 | void CServer::closeInfoStream() |
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591 | { |
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592 | if (m_infoStream.is_open()) m_infoStream.close(); |
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593 | } |
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594 | |
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595 | /*! |
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596 | * \brief Open a file stream to write the error log |
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597 | * Open a file stream with a specific file name suffix+rank |
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598 | * to write the error log. |
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599 | * \param fileName [in] protype file name |
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600 | */ |
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601 | void CServer::openErrorStream(const StdString& fileName) |
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602 | { |
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603 | std::filebuf* fb = m_errorStream.rdbuf(); |
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604 | openStream(fileName, ".err", fb); |
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605 | |
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606 | error.write2File(fb); |
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607 | } |
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608 | |
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609 | //! Write the error log to standard error output |
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610 | void CServer::openErrorStream() |
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611 | { |
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612 | error.write2StdErr(); |
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613 | } |
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614 | |
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615 | //! Close the error log file if it opens |
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616 | void CServer::closeErrorStream() |
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617 | { |
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618 | if (m_errorStream.is_open()) m_errorStream.close(); |
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619 | } |
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620 | } |
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