1 | #include "PingPong.h" |
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2 | #include "ariba/utility/configuration/Configuration.h" |
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3 | |
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4 | using ariba::utility::Configuration; |
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5 | using namespace ariba; |
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6 | |
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7 | namespace ariba { |
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8 | namespace application { |
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9 | namespace pingpong { |
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10 | |
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11 | // logging |
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12 | use_logging_cpp( PingPong ); |
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13 | |
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14 | // the service that the pingpong wants to use |
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15 | ServiceID PingPong::PINGPONG_SERVICEID = ServiceID( 111 ); |
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16 | |
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17 | // construction |
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18 | PingPong::PingPong() : pingId( 0 ) { |
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19 | Timer::setInterval( 1000 ); |
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20 | } |
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21 | |
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22 | // destruction |
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23 | PingPong::~PingPong() { |
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24 | } |
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25 | |
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26 | // implementation of the startup interface |
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27 | void PingPong::startup() { |
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28 | |
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29 | logging_info( "starting up PingPong service ... " ); |
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30 | |
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31 | // create ariba module |
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32 | logging_debug( "creating ariba underlay module ... " ); |
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33 | ariba = new AribaModule(); |
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34 | |
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35 | // get the configuration object |
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36 | Configuration& config = Configuration::instance(); |
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37 | |
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38 | // generate spovnet name |
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39 | Name spovnetName("pingpong"); |
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40 | |
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41 | // get initiator flag |
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42 | this->isInitiator = Configuration::instance().read<bool>("node.initiator"); |
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43 | |
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44 | this->name = string("<ping>"); |
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45 | |
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46 | // get node name |
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47 | Name nodeName = Name::UNSPECIFIED; |
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48 | if (config.exists("node.name")) nodeName = config.read<string> ("node.name"); |
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49 | |
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50 | // configure ariba module |
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51 | if (config.exists("ariba.endpoints")) |
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52 | ariba->setProperty("endpoints", config.read<string>("ariba.endpoints")); |
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53 | if (config.exists("ariba.bootstrap.hints")) |
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54 | ariba->setProperty("bootstrap.hints", config.read<string>("ariba.bootstrap.hints")); |
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55 | if (config.exists("pingpong.name")) |
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56 | name = config.read<string>("pingpong.name"); |
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57 | |
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58 | // start ariba module |
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59 | ariba->start(); |
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60 | |
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61 | // create node and join |
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62 | node = new Node( *ariba, nodeName ); |
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63 | |
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64 | // bind communication and node listener |
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65 | node->bind( this ); /*NodeListener*/ |
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66 | node->bind( this, PingPong::PINGPONG_SERVICEID); /*CommunicationListener*/ |
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67 | |
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68 | // start node module |
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69 | node->start(); |
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70 | |
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71 | // when initiating, you can define the overlay type, default is Chord [CHORD_OVERLAY] |
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72 | SpoVNetProperties params; |
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73 | //params.setBaseOverlayType( SpoVNetProperties::ONE_HOP_OVERLAY ); // alternative: OneHop |
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74 | |
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75 | // initiate or join the spovnet |
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76 | if (!isInitiator) node->join(spovnetName); |
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77 | else node->initiate(spovnetName, params); |
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78 | |
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79 | // ping pong started up... |
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80 | logging_info( "pingpong starting up with" |
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81 | << " [spovnetid " << node->getSpoVNetId().toString() << "]" |
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82 | << " and [nodeid " << node->getNodeId().toString() << "]" ); |
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83 | } |
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84 | |
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85 | // implementation of the startup interface |
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86 | void PingPong::shutdown() { |
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87 | |
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88 | logging_info( "pingpong service starting shutdown sequence ..." ); |
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89 | |
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90 | // stop timer |
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91 | Timer::stop(); |
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92 | |
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93 | // leave spovnet |
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94 | node->leave(); |
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95 | |
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96 | // unbind communication and node listener |
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97 | node->unbind( this ); /*NodeListener*/ |
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98 | node->unbind( this, PingPong::PINGPONG_SERVICEID ); /*CommunicationListener*/ |
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99 | |
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100 | // stop the ariba module |
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101 | ariba->stop(); |
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102 | |
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103 | // delete node and ariba module |
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104 | delete node; |
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105 | delete ariba; |
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106 | |
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107 | // now we are completely shut down |
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108 | logging_info( "pingpong service shut down" ); |
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109 | } |
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110 | |
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111 | // timer event |
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112 | void PingPong::eventFunction() { |
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113 | |
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114 | // we ping all nodes that are known in the overlay structure |
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115 | // this can be all nodes (OneHop) overlay or just some neighbors |
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116 | // in case of a Chord or Kademlia structure |
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117 | |
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118 | // in this sample we use auto-links: we just send out our message |
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119 | // to the node and the link is established automatically. for more |
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120 | // control we would use the node->establishLink function to create |
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121 | // a link and start using the link in the CommunicationListener::onLinkUp |
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122 | // function that is implemented further down in PingPong::onLinkUp |
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123 | |
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124 | // logging_info( "pinging overlay neighbors with ping id " << ++pingId ); |
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125 | |
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126 | PingPongMessage pingmsg( pingId, name ); |
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127 | |
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128 | //----------------------------------------------------------------------- |
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129 | // Option 1: get all neighboring nodes and send the message to each |
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130 | //----------------------------------------------------------------------- |
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131 | counter++; |
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132 | if (counter<0 || counter>4) { |
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133 | counter = 0; |
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134 | string s; |
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135 | for (int i=0; i<names.size();i++) { |
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136 | if (i!=0) s+= ", "; |
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137 | s = s+names[i]; |
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138 | } |
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139 | logging_info("----> I am " << name << " and I know " << s); |
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140 | names.clear(); |
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141 | } |
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142 | vector<NodeID> nodes = node->getNeighborNodes(); |
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143 | BOOST_FOREACH( NodeID nid, nodes ){ |
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144 | node->sendMessage( pingmsg, nid, PingPong::PINGPONG_SERVICEID ); |
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145 | } |
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146 | |
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147 | //----------------------------------------------------------------------- |
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148 | // Option 2: send a "broadcast message" that actually does the same thing |
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149 | // internally, gets all neighboring nodes and sends the message |
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150 | //----------------------------------------------------------------------- |
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151 | // node->sendBroadcastMessage( pingmsg, PingPong::PINGPONG_SERVICEID ); |
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152 | } |
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153 | |
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154 | void PingPong::onJoinCompleted( const SpoVNetID& vid ) { |
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155 | logging_info( "pingpong node join completed, spovnetid=" << vid.toString() ); |
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156 | |
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157 | // start the timer to ping every second |
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158 | Timer::start(); |
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159 | } |
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160 | |
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161 | void PingPong::onJoinFailed( const SpoVNetID& vid ) { |
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162 | logging_error("pingpong node join failed, spovnetid=" << vid.toString() ); |
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163 | } |
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164 | |
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165 | void PingPong::onLeaveCompleted( const SpoVNetID& vid ){ |
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166 | logging_info("pingpong node leave completed, spovnetid=" << vid.toString() ); |
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167 | } |
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168 | |
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169 | void PingPong::onLeaveFailed( const SpoVNetID& vid ){ |
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170 | logging_error("pingpong node leave failed, spovnetid=" << vid.toString() ); |
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171 | } |
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172 | |
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173 | void PingPong::onMessage(const DataMessage& msg, const NodeID& remote, const LinkID& lnk) { |
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174 | PingPongMessage* pingmsg = msg.getMessage()->convert<PingPongMessage> (); |
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175 | bool found=false; |
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176 | for (int i=0;i<names.size(); i++) if (names[i]==pingmsg->getName()) found=true; |
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177 | if (!found) names.push_back(pingmsg->getName()); |
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178 | // logging_info( "received ping message on link " << lnk.toString() |
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179 | // << " from node " << remote.toString() |
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180 | // << ": " << pingmsg->info() ); |
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181 | } |
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182 | |
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183 | void PingPong::onLinkUp(const LinkID& lnk, const NodeID& remote){ |
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184 | logging_info( "received link-up event for link " << lnk.toString() |
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185 | << " and node " << remote.toString() ); |
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186 | } |
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187 | |
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188 | void PingPong::onLinkDown(const LinkID& lnk, const NodeID& remote){ |
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189 | logging_info( "received link-down event for link " << lnk.toString() |
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190 | << " and node " << remote.toString() ); |
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191 | } |
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192 | |
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193 | void PingPong::onLinkChanged(const LinkID& lnk, const NodeID& remote){ |
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194 | logging_info( "link-changed event for link " << lnk.toString() |
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195 | << " and node " << remote.toString() ); |
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196 | } |
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197 | |
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198 | bool PingPong::onLinkRequest(const NodeID& remote, const DataMessage& msg) { |
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199 | logging_info( "node " << remote.toString() << " wants to build up a link with us ... allowing" ); |
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200 | return true; |
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201 | } |
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202 | |
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203 | void PingPong::onLinkFail(const LinkID& lnk, const NodeID& remote){ |
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204 | logging_info( "received link-failed event for link " << lnk.toString() |
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205 | << " and node " << remote.toString() ); |
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206 | } |
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207 | |
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208 | }}} // namespace ariba, application, pingpong |
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