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 #include "../../include/freenet/fmsversionrequester.h"\r
  22 \r
  23 #include <Poco/UUID.h>\r
  24 #include <Poco/UUIDGenerator.h>\r
  25 #include <Poco/DateTime.h>\r
  26 #include <Poco/Timespan.h>\r
  27 #include <Poco/Thread.h>\r
  28 \r
  29 #include <cstdlib>\r
  30 \r
  31 #ifdef XMEM\r
  32         #include <xmem.h>\r
  33 #endif\r
  34 \r
  35 FreenetMasterThread::FreenetMasterThread()\r
  36 {\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()->GetInt("FCPPort",m_fcpport)==false)\r
  44         {\r
  45                 m_fcpport=9481;\r
  46                 Option::Instance()->Set("FCPPort",m_fcpport);\r
  47         }\r
  48         else\r
  49         {\r
  50                 if(m_fcpport<1 || m_fcpport>65535)\r
  51                 {\r
  52                         m_fcpport=9481;\r
  53                         Option::Instance()->Set("FCPPort",m_fcpport);\r
  54                 }\r
  55         }\r
  56 \r
  57         m_receivednodehello=false;\r
  58 \r
  59 }\r
  60 \r
  61 FreenetMasterThread::~FreenetMasterThread()\r
  62 {\r
  63 \r
  64 }\r
  65 \r
  66 const bool FreenetMasterThread::FCPConnect()\r
  67 {\r
  68         // we were previosly connected, send FCPDisconnect to objects\r
  69         if(m_receivednodehello==true)\r
  70         {\r
  71                 for(std::vector<IFCPConnected *>::iterator i=m_fcpconnected.begin(); i!=m_fcpconnected.end(); i++)\r
  72                 {\r
  73                         (*i)->FCPDisconnected();\r
  74                 }\r
  75                 m_receivednodehello=false;\r
  76         }\r
  77 \r
  78         m_log->information("FreenetMasterThread::FCPConnect trying to connect to node "+m_fcphost);\r
  79 \r
  80         if(m_fcp.Connect(m_fcphost.c_str(),m_fcpport)==true)\r
  81         {\r
  82                 Poco::UUIDGenerator uuidgen;\r
  83                 Poco::UUID uuid;\r
  84 \r
  85                 try\r
  86                 {\r
  87                         uuid=uuidgen.createRandom();\r
  88                 }\r
  89                 catch(...)\r
  90                 {\r
  91                         m_log->fatal("FreenetMasterThread::FCPConnect could not generate UUID");\r
  92                 }\r
  93 \r
  94                 std::string clientname="FMSClient-"+uuid.toString();\r
  95                 // send ClientHello message to node\r
  96                 m_fcp.SendMessage("ClientHello",2,"Name",clientname.c_str(),"ExpectedVersion","2.0");\r
  97 \r
  98                 m_log->information("FreenetMasterThread::FCPConnect connected to node");\r
  99 \r
 100                 return true;\r
 101         }\r
 102         else\r
 103         {\r
 104                 return false;\r
 105         }\r
 106 \r
 107 }\r
 108 \r
 109 const bool FreenetMasterThread::HandleMessage(FCPMessage &message)\r
 110 {\r
 111         if(message.GetName()=="NodeHello")\r
 112         {\r
 113                 m_receivednodehello=true;\r
 114 \r
 115                 // send connected message to all objects, must do this AFTER we received the NodeHello message\r
 116                 for(std::vector<IFCPConnected *>::iterator i=m_fcpconnected.begin(); i!=m_fcpconnected.end(); i++)\r
 117                 {\r
 118                         (*i)->FCPConnected();\r
 119                 }\r
 120 \r
 121                 return true;\r
 122         }\r
 123         if(m_receivednodehello==true)\r
 124         {\r
 125                 bool handled=false;\r
 126 \r
 127                 std::vector<IFCPMessageHandler *>::iterator i=m_fcpmessagehandlers.begin();\r
 128                 while(handled==false && i!=m_fcpmessagehandlers.end())\r
 129                 {\r
 130                         handled=(*i)->HandleMessage(message);\r
 131                         i++;\r
 132                 }\r
 133 \r
 134                 if(handled==false)\r
 135                 {\r
 136                         std::string info("");\r
 137                         for(std::map<std::string,std::string>::iterator mi=message.begin(); mi!=message.end(); mi++)\r
 138                         {\r
 139                                 info+="\t\t\t\t"+(*mi).first+"="+(*mi).second+"\r\n";\r
 140                         }\r
 141                         m_log->debug("FreenetMasterThread::HandleMessage received unhandled "+message.GetName()+" message.  Message content :\r\n"+info);\r
 142 \r
 143                         // if unhandled message was alldata - we must retrieve the data\r
 144                         if(message.GetName()=="AllData")\r
 145                         {\r
 146                                 long length;\r
 147                                 StringFunctions::Convert(message["DataLength"],length);\r
 148                                 while(m_fcp.Connected() && m_fcp.ReceiveBufferSize()<length)\r
 149                                 {\r
 150                                         m_fcp.Update(1);\r
 151                                 }\r
 152                                 if(m_fcp.Connected())\r
 153                                 {\r
 154                                         char *data=new char[length];\r
 155                                         m_fcp.ReceiveRaw(data,length);\r
 156                                         delete [] data;\r
 157                                 }\r
 158                         }\r
 159                 }\r
 160 \r
 161                 return handled;\r
 162 \r
 163         }\r
 164         else\r
 165         {\r
 166                 m_log->error("FreenetMasterThread::HandleMessage received "+message.GetName()+" message before NodeHello");\r
 167         }\r
 168 \r
 169         return false;\r
 170 }\r
 171 \r
 172 void FreenetMasterThread::RegisterFCPConnected(IFCPConnected *obj)\r
 173 {\r
 174         m_fcpconnected.push_back(obj);\r
 175 }\r
 176 \r
 177 void FreenetMasterThread::RegisterFCPMessageHandler(IFCPMessageHandler *obj)\r
 178 {\r
 179         m_fcpmessagehandlers.push_back(obj);\r
 180 }\r
 181 \r
 182 void FreenetMasterThread::RegisterPeriodicProcessor(IPeriodicProcessor *obj)\r
 183 {\r
 184         m_processors.push_back(obj);\r
 185 }\r
 186 \r
 187 void FreenetMasterThread::run()\r
 188 {\r
 189 \r
 190         Poco::DateTime lastreceivedmessage;\r
 191         Poco::DateTime lastconnected;\r
 192         Poco::DateTime now;\r
 193         FCPMessage message;\r
 194         bool done=false;\r
 195 \r
 196         lastconnected-=Poco::Timespan(0,0,1,0,0);\r
 197 \r
 198         m_log->debug("FreenetMasterThread::run thread started.");\r
 199 \r
 200         Setup();\r
 201 \r
 202         do\r
 203         {\r
 204                 try\r
 205                 {\r
 206                         if(m_fcp.Connected()==false)\r
 207                         {\r
 208                                 // wait at least 1 minute since last successful connect\r
 209                                 now=Poco::Timestamp();\r
 210                                 if(lastconnected<=(now-Poco::Timespan(0,0,1,0,0)))\r
 211                                 {\r
 212                                         if(FCPConnect()==false)\r
 213                                         {\r
 214 \r
 215                                                 m_log->error("FreenetMasterThread::run could not connect to node.  Waiting 60 seconds.");\r
 216 \r
 217                                                 for(int i=0; i<60 && !IsCancelled(); i++)\r
 218                                                 {\r
 219                                                         Poco::Thread::sleep(1000);\r
 220                                                 }\r
 221                                         }\r
 222                                         else\r
 223                                         {\r
 224                                                 lastreceivedmessage=Poco::Timestamp();\r
 225                                                 lastconnected=Poco::Timestamp();\r
 226                                         }\r
 227                                 }\r
 228                                 else\r
 229                                 {\r
 230                                         Poco::Thread::sleep(1000);\r
 231                                 }\r
 232                         }\r
 233                         // fcp is connected\r
 234                         else\r
 235                         {\r
 236                                 m_fcp.Update(1);\r
 237 \r
 238                                 // check for message on receive buffer and handle it\r
 239                                 if(m_fcp.ReceiveBufferSize()>0)\r
 240                                 {\r
 241                                         message.Reset();\r
 242                                         message=m_fcp.ReceiveMessage();\r
 243 \r
 244                                         if(message.GetName()!="")\r
 245                                         {\r
 246                                                 HandleMessage(message);\r
 247                                                 lastreceivedmessage=Poco::Timestamp();\r
 248                                         }\r
 249                                 }\r
 250 \r
 251                                 // let objects do their processing\r
 252                                 for(std::vector<IPeriodicProcessor *>::iterator i=m_processors.begin(); i!=m_processors.end(); i++)\r
 253                                 {\r
 254                                         (*i)->Process();\r
 255                                 }\r
 256 \r
 257                                 // if we haven't received any messages from the node in 10 minutes, something is wrong\r
 258                                 now=Poco::Timestamp();\r
 259                                 if(lastreceivedmessage<(now-Poco::Timespan(0,0,10,0,0)))\r
 260                                 {\r
 261                                         m_log->error("FreenetMasterThread::Run The Freenet node has not responded in 10 minutes.  Trying to reconnect.");\r
 262                                         m_fcp.Disconnect();\r
 263                                 }\r
 264 \r
 265                                 if(m_fcp.Connected()==false)\r
 266                                 {\r
 267                                         m_log->information("FreenetMasterThread::Run Disconnected from Freenet node.");\r
 268                                 }\r
 269 \r
 270                         }\r
 271                 }\r
 272                 catch(Poco::Exception &e)\r
 273                 {\r
 274                         m_log->error("FreenetMasterThread::run caught exception : "+e.displayText());\r
 275                 }\r
 276                 catch(...)\r
 277                 {\r
 278                         m_log->error("FreenetMasterThread::run caught unknown exception");\r
 279                 }\r
 280         }while(!IsCancelled() && done==false);\r
 281 \r
 282         m_fcp.Disconnect();\r
 283 \r
 284         Shutdown();\r
 285 \r
 286         m_log->debug("FreenetMasterThread::run thread exiting.");\r
 287 \r
 288 }\r
 289 \r
 290 void FreenetMasterThread::Setup()\r
 291 {\r
 292 \r
 293         // seed random number generator\r
 294         srand(time(NULL));\r
 295 \r
 296         m_registrables.push_back(new UnkeyedIDCreator(&m_fcp));\r
 297         m_registrables.push_back(new IdentityInserter(&m_fcp));\r
 298         m_registrables.push_back(new IdentityRequester(&m_fcp));\r
 299         m_registrables.push_back(new IntroductionPuzzleInserter(&m_fcp));\r
 300         m_registrables.push_back(new IdentityIntroductionRequester(&m_fcp));\r
 301         m_registrables.push_back(new IntroductionPuzzleRequester(&m_fcp));\r
 302         m_registrables.push_back(new IdentityIntroductionInserter(&m_fcp));\r
 303         m_registrables.push_back(new TrustListInserter(&m_fcp));\r
 304         m_registrables.push_back(new TrustListRequester(&m_fcp));\r
 305         m_registrables.push_back(new MessageListInserter(&m_fcp));\r
 306         m_registrables.push_back(new MessageListRequester(&m_fcp));\r
 307         m_registrables.push_back(new MessageInserter(&m_fcp));\r
 308         m_registrables.push_back(new MessageRequester(&m_fcp));\r
 309         m_registrables.push_back(new BoardListInserter(&m_fcp));\r
 310         m_registrables.push_back(new BoardListRequester(&m_fcp));\r
 311         m_registrables.push_back(new SiteInserter(&m_fcp));\r
 312         m_registrables.push_back(new FileInserter(&m_fcp));\r
 313         m_registrables.push_back(new FMSVersionRequester(&m_fcp));\r
 314 \r
 315         for(std::vector<IFreenetRegistrable *>::iterator i=m_registrables.begin(); i!=m_registrables.end(); i++)\r
 316         {\r
 317                 (*i)->RegisterWithThread(this);\r
 318         }\r
 319 \r
 320 }\r
 321 \r
 322 void FreenetMasterThread::Shutdown()\r
 323 {\r
 324         // delete each registrable object\r
 325         for(std::vector<IFreenetRegistrable *>::iterator i=m_registrables.begin(); i!=m_registrables.end(); i++)\r
 326         {\r
 327                 delete (*i);\r
 328         }\r
 329 }\r