src/freenet/freenetmasterthread.cpp

   1 #include "../../include/freenet/freenetmasterthread.h"\r
   2 #include "../../include/option.h"\r
   3 #include "../../include/stringfunctions.h"\r
   4 #include "../../include/freenet/unkeyedidcreator.h"\r
   5 #include "../../include/freenet/identityinserter.h"\r
   6 #include "../../include/freenet/identityrequester.h"\r
   7 #include "../../include/freenet/introductionpuzzleinserter.h"\r
   8 #include "../../include/freenet/identityintroductionrequester.h"\r
   9 #include "../../include/freenet/introductionpuzzlerequester.h"\r
  10 #include "../../include/freenet/identityintroductioninserter.h"\r
  11 #include "../../include/freenet/trustlistinserter.h"\r
  12 #include "../../include/freenet/trustlistrequester.h"\r
  13 #include "../../include/freenet/messagelistrequester.h"\r
  14 #include "../../include/freenet/messagelistinserter.h"\r
  15 #include "../../include/freenet/messagerequester.h"\r
  16 #include "../../include/freenet/messageinserter.h"\r
  17 #include "../../include/freenet/boardlistinserter.h"\r
  18 #include "../../include/freenet/boardlistrequester.h"\r
  19 #include "../../include/freenet/siteinserter.h"\r
  20 #include "../../include/freenet/fileinserter.h"\r
  21 \r
  22 #include <Poco/UUID.h>\r
  23 #include <Poco/UUIDGenerator.h>\r
  24 #include <Poco/DateTime.h>\r
  25 #include <Poco/Timespan.h>\r
  26 #include <Poco/Thread.h>\r
  27 \r
  28 #include <cstdlib>\r
  29 \r
  30 #ifdef XMEM\r
  31         #include <xmem.h>\r
  32 #endif\r
  33 \r
  34 FreenetMasterThread::FreenetMasterThread()\r
  35 {\r
  36         std::string fcpport;\r
  37 \r
  38         if(Option::Instance()->Get("FCPHost",m_fcphost)==false)\r
  39         {\r
  40                 m_fcphost="localhost";\r
  41                 Option::Instance()->Set("FCPHost",m_fcphost);\r
  42         }\r
  43         if(Option::Instance()->Get("FCPPort",fcpport)==false)\r
  44         {\r
  45                 fcpport="9481";\r
  46                 Option::Instance()->Set("FCPPort",fcpport);\r
  47         }\r
  48 \r
  49         // convert fcp port to long, and make sure it's within the valid port range\r
  50         if(StringFunctions::Convert(fcpport,m_fcpport)==false)\r
  51         {\r
  52                 m_fcpport=9481;\r
  53                 Option::Instance()->Set("FCPPort","9481");\r
  54         }\r
  55 \r
  56         m_receivednodehello=false;\r
  57 \r
  58 }\r
  59 \r
  60 FreenetMasterThread::~FreenetMasterThread()\r
  61 {\r
  62 \r
  63 }\r
  64 \r
  65 const bool FreenetMasterThread::FCPConnect()\r
  66 {\r
  67         // we were previosly connected, send FCPDisconnect to objects\r
  68         if(m_receivednodehello==true)\r
  69         {\r
  70                 for(std::vector<IFCPConnected *>::iterator i=m_fcpconnected.begin(); i!=m_fcpconnected.end(); i++)\r
  71                 {\r
  72                         (*i)->FCPDisconnected();\r
  73                 }\r
  74                 m_receivednodehello=false;\r
  75         }\r
  76 \r
  77         m_log->information("FreenetMasterThread::FCPConnect trying to connect to node "+m_fcphost);\r
  78 \r
  79         if(m_fcp.Connect(m_fcphost.c_str(),m_fcpport)==true)\r
  80         {\r
  81                 Poco::UUIDGenerator uuidgen;\r
  82                 Poco::UUID uuid;\r
  83 \r
  84                 try\r
  85                 {\r
  86                         uuid=uuidgen.createRandom();\r
  87                 }\r
  88                 catch(...)\r
  89                 {\r
  90                         m_log->fatal("FreenetMasterThread::FCPConnect could not generate UUID");\r
  91                 }\r
  92 \r
  93                 std::string clientname="FMSClient-"+uuid.toString();\r
  94                 // send ClientHello message to node\r
  95                 m_fcp.SendMessage("ClientHello",2,"Name",clientname.c_str(),"ExpectedVersion","2.0");\r
  96 \r
  97                 m_log->information("FreenetMasterThread::FCPConnect connected to node");\r
  98 \r
  99                 return true;\r
 100         }\r
 101         else\r
 102         {\r
 103                 return false;\r
 104         }\r
 105 \r
 106 }\r
 107 \r
 108 const bool FreenetMasterThread::HandleMessage(FCPMessage &message)\r
 109 {\r
 110         if(message.GetName()=="NodeHello")\r
 111         {\r
 112                 m_receivednodehello=true;\r
 113 \r
 114                 // send connected message to all objects, must do this AFTER we received the NodeHello message\r
 115                 for(std::vector<IFCPConnected *>::iterator i=m_fcpconnected.begin(); i!=m_fcpconnected.end(); i++)\r
 116                 {\r
 117                         (*i)->FCPConnected();\r
 118                 }\r
 119 \r
 120                 return true;\r
 121         }\r
 122         if(m_receivednodehello==true)\r
 123         {\r
 124                 bool handled=false;\r
 125                 std::vector<IFCPMessageHandler *>::iterator i=m_fcpmessagehandlers.begin();\r
 126                 while(handled==false && i!=m_fcpmessagehandlers.end())\r
 127                 {\r
 128                         handled=(*i)->HandleMessage(message);\r
 129                         i++;\r
 130                 }\r
 131 \r
 132                 if(handled==false)\r
 133                 {\r
 134                         std::string info("");\r
 135                         for(std::map<std::string,std::string>::iterator mi=message.begin(); mi!=message.end(); mi++)\r
 136                         {\r
 137                                 info+="\t\t\t\t"+(*mi).first+"="+(*mi).second+"\r\n";\r
 138                         }\r
 139                         m_log->debug("FreenetMasterThread::HandleMessage received unhandled "+message.GetName()+" message.  Message content :\r\n"+info);\r
 140 \r
 141                         // if unhandled message was alldata - we must retrieve the data\r
 142                         if(message.GetName()=="AllData")\r
 143                         {\r
 144                                 long length;\r
 145                                 StringFunctions::Convert(message["DataLength"],length);\r
 146                                 while(m_fcp.Connected() && m_fcp.ReceiveBufferSize()<length)\r
 147                                 {\r
 148                                         m_fcp.Update(1);\r
 149                                 }\r
 150                                 if(m_fcp.Connected())\r
 151                                 {\r
 152                                         char *data=new char[length];\r
 153                                         m_fcp.ReceiveRaw(data,length);\r
 154                                         delete [] data;\r
 155                                 }\r
 156                         }\r
 157                 }\r
 158 \r
 159                 return handled;\r
 160 \r
 161         }\r
 162         else\r
 163         {\r
 164                 m_log->error("FreenetMasterThread::HandleMessage received "+message.GetName()+" message before NodeHello");\r
 165         }\r
 166 \r
 167         return false;\r
 168 }\r
 169 \r
 170 void FreenetMasterThread::RegisterFCPConnected(IFCPConnected *obj)\r
 171 {\r
 172         m_fcpconnected.push_back(obj);\r
 173 }\r
 174 \r
 175 void FreenetMasterThread::RegisterFCPMessageHandler(IFCPMessageHandler *obj)\r
 176 {\r
 177         m_fcpmessagehandlers.push_back(obj);\r
 178 }\r
 179 \r
 180 void FreenetMasterThread::RegisterPeriodicProcessor(IPeriodicProcessor *obj)\r
 181 {\r
 182         m_processors.push_back(obj);\r
 183 }\r
 184 \r
 185 void FreenetMasterThread::run()\r
 186 {\r
 187 \r
 188         Poco::DateTime lastreceivedmessage;\r
 189         Poco::DateTime lastconnected;\r
 190         Poco::DateTime now;\r
 191         FCPMessage message;\r
 192         bool done=false;\r
 193 \r
 194         lastconnected-=Poco::Timespan(0,0,1,0,0);\r
 195 \r
 196         m_log->debug("FreenetMasterThread::run thread started.");\r
 197 \r
 198         Setup();\r
 199 \r
 200         do\r
 201         {\r
 202                 if(m_fcp.Connected()==false)\r
 203                 {\r
 204                         // wait at least 1 minute since last successful connect\r
 205                         now=Poco::Timestamp();\r
 206                         if(lastconnected<=(now-Poco::Timespan(0,0,1,0,0)))\r
 207                         {\r
 208                                 if(FCPConnect()==false)\r
 209                                 {\r
 210 \r
 211                                         m_log->error("FreenetMasterThread::run could not connect to node.  Waiting 60 seconds.");\r
 212 \r
 213                                         for(int i=0; i<60 && !IsCancelled(); i++)\r
 214                                         {\r
 215                                                 Poco::Thread::sleep(1000);\r
 216                                         }\r
 217                                 }\r
 218                                 else\r
 219                                 {\r
 220                                         lastreceivedmessage=Poco::Timestamp();\r
 221                                         lastconnected=Poco::Timestamp();\r
 222                                 }\r
 223                         }\r
 224                         else\r
 225                         {\r
 226                                 Poco::Thread::sleep(1000);\r
 227                         }\r
 228                 }\r
 229                 // fcp is connected\r
 230                 else\r
 231                 {\r
 232                         m_fcp.Update(1);\r
 233 \r
 234                         // check for message on receive buffer and handle it\r
 235                         if(m_fcp.ReceiveBufferSize()>0)\r
 236                         {\r
 237                                 message.Reset();\r
 238                                 message=m_fcp.ReceiveMessage();\r
 239 \r
 240                                 if(message.GetName()!="")\r
 241                                 {\r
 242                                         HandleMessage(message);\r
 243                                         lastreceivedmessage=Poco::Timestamp();\r
 244                                 }\r
 245                         }\r
 246 \r
 247                         // let objects do their processing\r
 248                         for(std::vector<IPeriodicProcessor *>::iterator i=m_processors.begin(); i!=m_processors.end(); i++)\r
 249                         {\r
 250                                 (*i)->Process();\r
 251                         }\r
 252 \r
 253                         // if we haven't received any messages from the node in 10 minutes, something is wrong\r
 254                         now=Poco::Timestamp();\r
 255                         if(lastreceivedmessage<(now-Poco::Timespan(0,0,10,0,0)))\r
 256                         {\r
 257                                 m_log->error("FreenetMasterThread::Run The Freenet node has not responded in 10 minutes.  Trying to reconnect.");\r
 258                                 m_fcp.Disconnect();\r
 259                         }\r
 260 \r
 261                         if(m_fcp.Connected()==false)\r
 262                         {\r
 263                                 m_log->information("FreenetMasterThread::Run Disconnected from Freenet node.");\r
 264                         }\r
 265 \r
 266                 }\r
 267         }while(!IsCancelled() && done==false);\r
 268 \r
 269         m_fcp.Disconnect();\r
 270 \r
 271         Shutdown();\r
 272 \r
 273         m_log->debug("FreenetMasterThread::run thread exiting.");\r
 274 \r
 275 }\r
 276 \r
 277 void FreenetMasterThread::Setup()\r
 278 {\r
 279 \r
 280         // seed random number generator\r
 281         srand(time(NULL));\r
 282 \r
 283         m_registrables.push_back(new UnkeyedIDCreator(&m_fcp));\r
 284         m_registrables.push_back(new IdentityInserter(&m_fcp));\r
 285         m_registrables.push_back(new IdentityRequester(&m_fcp));\r
 286         m_registrables.push_back(new IntroductionPuzzleInserter(&m_fcp));\r
 287         m_registrables.push_back(new IdentityIntroductionRequester(&m_fcp));\r
 288         m_registrables.push_back(new IntroductionPuzzleRequester(&m_fcp));\r
 289         m_registrables.push_back(new IdentityIntroductionInserter(&m_fcp));\r
 290         m_registrables.push_back(new TrustListInserter(&m_fcp));\r
 291         m_registrables.push_back(new TrustListRequester(&m_fcp));\r
 292         m_registrables.push_back(new MessageListInserter(&m_fcp));\r
 293         m_registrables.push_back(new MessageListRequester(&m_fcp));\r
 294         m_registrables.push_back(new MessageInserter(&m_fcp));\r
 295         m_registrables.push_back(new MessageRequester(&m_fcp));\r
 296         m_registrables.push_back(new BoardListInserter(&m_fcp));\r
 297         m_registrables.push_back(new BoardListRequester(&m_fcp));\r
 298         m_registrables.push_back(new SiteInserter(&m_fcp));\r
 299         m_registrables.push_back(new FileInserter(&m_fcp));\r
 300 \r
 301         for(std::vector<IFreenetRegistrable *>::iterator i=m_registrables.begin(); i!=m_registrables.end(); i++)\r
 302         {\r
 303                 (*i)->RegisterWithThread(this);\r
 304         }\r
 305 \r
 306 }\r
 307 \r
 308 void FreenetMasterThread::Shutdown()\r
 309 {\r
 310         // delete each registrable object\r
 311         for(std::vector<IFreenetRegistrable *>::iterator i=m_registrables.begin(); i!=m_registrables.end(); i++)\r
 312         {\r
 313                 delete (*i);\r
 314         }\r
 315 }\r