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/unknownidentityrequester.h"\r
   8 #include "../../include/freenet/introductionpuzzleinserter.h"\r
   9 #include "../../include/freenet/identityintroductionrequester.h"\r
  10 #include "../../include/freenet/introductionpuzzlerequester.h"\r
  11 #include "../../include/freenet/identityintroductioninserter.h"\r
  12 #include "../../include/freenet/trustlistinserter.h"\r
  13 #include "../../include/freenet/trustlistrequester.h"\r
  14 #include "../../include/freenet/messagelistrequester.h"\r
  15 #include "../../include/freenet/inactivemessagelistrequester.h"\r
  16 #include "../../include/freenet/messagelistinserter.h"\r
  17 #include "../../include/freenet/messagerequester.h"\r
  18 #include "../../include/freenet/messageinserter.h"\r
  19 #include "../../include/freenet/boardlistinserter.h"\r
  20 #include "../../include/freenet/boardlistrequester.h"\r
  21 #include "../../include/freenet/siteinserter.h"\r
  22 #include "../../include/freenet/fileinserter.h"\r
  23 #include "../../include/freenet/fmsversionrequester.h"\r
  24 \r
  25 #include <Poco/UUID.h>\r
  26 #include <Poco/UUIDGenerator.h>\r
  27 #include <Poco/DateTime.h>\r
  28 #include <Poco/Timespan.h>\r
  29 #include <Poco/Thread.h>\r
  30 \r
  31 #include <cstdlib>\r
  32 \r
  33 #ifdef XMEM\r
  34         #include <xmem.h>\r
  35 #endif\r
  36 \r
  37 FreenetMasterThread::FreenetMasterThread()\r
  38 {\r
  39 \r
  40         if(Option::Instance()->Get("FCPHost",m_fcphost)==false)\r
  41         {\r
  42                 m_fcphost="localhost";\r
  43                 Option::Instance()->Set("FCPHost",m_fcphost);\r
  44         }\r
  45         if(Option::Instance()->GetInt("FCPPort",m_fcpport)==false)\r
  46         {\r
  47                 m_fcpport=9481;\r
  48                 Option::Instance()->Set("FCPPort",m_fcpport);\r
  49         }\r
  50         else\r
  51         {\r
  52                 if(m_fcpport<1 || m_fcpport>65535)\r
  53                 {\r
  54                         m_fcpport=9481;\r
  55                         Option::Instance()->Set("FCPPort",m_fcpport);\r
  56                 }\r
  57         }\r
  58 \r
  59         m_receivednodehello=false;\r
  60 \r
  61 }\r
  62 \r
  63 FreenetMasterThread::~FreenetMasterThread()\r
  64 {\r
  65 \r
  66 }\r
  67 \r
  68 const bool FreenetMasterThread::FCPConnect()\r
  69 {\r
  70         // we were previosly connected, send FCPDisconnect to objects\r
  71         if(m_receivednodehello==true)\r
  72         {\r
  73                 for(std::vector<IFCPConnected *>::iterator i=m_fcpconnected.begin(); i!=m_fcpconnected.end(); i++)\r
  74                 {\r
  75                         (*i)->FCPDisconnected();\r
  76                 }\r
  77                 m_receivednodehello=false;\r
  78         }\r
  79 \r
  80         m_log->information("FreenetMasterThread::FCPConnect trying to connect to node "+m_fcphost);\r
  81 \r
  82         if(m_fcp.Connect(m_fcphost.c_str(),m_fcpport)==true)\r
  83         {\r
  84                 Poco::UUIDGenerator uuidgen;\r
  85                 Poco::UUID uuid;\r
  86 \r
  87                 try\r
  88                 {\r
  89                         uuid=uuidgen.createRandom();\r
  90                 }\r
  91                 catch(...)\r
  92                 {\r
  93                         m_log->fatal("FreenetMasterThread::FCPConnect could not generate UUID");\r
  94                 }\r
  95 \r
  96                 std::string clientname="FMSClient-"+uuid.toString();\r
  97                 // send ClientHello message to node\r
  98                 m_fcp.Send(FCPv2::Message("ClientHello",2,"Name",clientname.c_str(),"ExpectedVersion","2.0"));\r
  99 \r
 100                 m_log->information("FreenetMasterThread::FCPConnect connected to node");\r
 101 \r
 102                 return true;\r
 103         }\r
 104         else\r
 105         {\r
 106                 return false;\r
 107         }\r
 108 \r
 109 }\r
 110 \r
 111 const bool FreenetMasterThread::HandleMessage(FCPv2::Message &message)\r
 112 {\r
 113         if(message.GetName()=="NodeHello")\r
 114         {\r
 115                 m_receivednodehello=true;\r
 116 \r
 117                 // send connected message to all objects, must do this AFTER we received the NodeHello message\r
 118                 for(std::vector<IFCPConnected *>::iterator i=m_fcpconnected.begin(); i!=m_fcpconnected.end(); i++)\r
 119                 {\r
 120                         (*i)->FCPConnected();\r
 121                 }\r
 122 \r
 123                 return true;\r
 124         }\r
 125         if(m_receivednodehello==true)\r
 126         {\r
 127                 bool handled=false;\r
 128 \r
 129                 std::vector<IFCPMessageHandler *>::iterator i=m_fcpmessagehandlers.begin();\r
 130                 while(handled==false && i!=m_fcpmessagehandlers.end())\r
 131                 {\r
 132                         handled=(*i)->HandleMessage(message);\r
 133                         i++;\r
 134                 }\r
 135 \r
 136                 if(handled==false)\r
 137                 {\r
 138                         std::string info("");\r
 139                         for(std::map<std::string,std::string>::iterator mi=message.GetFields().begin(); mi!=message.GetFields().end(); mi++)\r
 140                         {\r
 141                                 info+="\t\t\t\t"+(*mi).first+"="+(*mi).second+"\r\n";\r
 142                         }\r
 143                         m_log->debug("FreenetMasterThread::HandleMessage received unhandled "+message.GetName()+" message.  Message content :\r\n"+info);\r
 144 \r
 145                         // if unhandled message was alldata - we must retrieve the data\r
 146                         if(message.GetName()=="AllData")\r
 147                         {\r
 148                                 long length;\r
 149                                 StringFunctions::Convert(message["DataLength"],length);\r
 150                                 m_fcp.WaitForBytes(1000,length);\r
 151 \r
 152                                 if(m_fcp.IsConnected() && length>0)\r
 153                                 {\r
 154                                         m_fcp.ReceiveIgnore(length);\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         FCPv2::Message 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                 try\r
 203                 {\r
 204                         if(m_fcp.IsConnected()==false)\r
 205                         {\r
 206                                 // wait at least 1 minute since last successful connect\r
 207                                 now=Poco::Timestamp();\r
 208                                 if(lastconnected<=(now-Poco::Timespan(0,0,1,0,0)))\r
 209                                 {\r
 210                                         if(FCPConnect()==false)\r
 211                                         {\r
 212 \r
 213                                                 m_log->error("FreenetMasterThread::run could not connect to node.  Waiting 60 seconds.");\r
 214 \r
 215                                                 for(int i=0; i<60 && !IsCancelled(); i++)\r
 216                                                 {\r
 217                                                         Poco::Thread::sleep(1000);\r
 218                                                 }\r
 219                                         }\r
 220                                         else\r
 221                                         {\r
 222                                                 lastreceivedmessage=Poco::Timestamp();\r
 223                                                 lastconnected=Poco::Timestamp();\r
 224                                         }\r
 225                                 }\r
 226                                 else\r
 227                                 {\r
 228                                         Poco::Thread::sleep(1000);\r
 229                                 }\r
 230                         }\r
 231                         // fcp is connected\r
 232                         else\r
 233                         {\r
 234                                 m_fcp.Update(1000);\r
 235 \r
 236                                 // check for message on receive buffer and handle it\r
 237                                 if(m_fcp.MessageReady()==true)\r
 238                                 {\r
 239                                         message.Clear();\r
 240                                         m_fcp.Receive(message);\r
 241 \r
 242                                         if(message.GetName()!="")\r
 243                                         {\r
 244                                                 HandleMessage(message);\r
 245                                                 lastreceivedmessage=Poco::Timestamp();\r
 246                                         }\r
 247                                 }\r
 248 \r
 249                                 // let objects do their processing\r
 250                                 for(std::vector<IPeriodicProcessor *>::iterator i=m_processors.begin(); i!=m_processors.end(); i++)\r
 251                                 {\r
 252                                         (*i)->Process();\r
 253                                 }\r
 254 \r
 255                                 // if we haven't received any messages from the node in 10 minutes, something is wrong\r
 256                                 now=Poco::Timestamp();\r
 257                                 if(lastreceivedmessage<(now-Poco::Timespan(0,0,10,0,0)))\r
 258                                 {\r
 259                                         m_log->error("FreenetMasterThread::Run The Freenet node has not responded in 10 minutes.  Trying to reconnect.");\r
 260                                         m_fcp.Disconnect();\r
 261                                 }\r
 262 \r
 263                                 if(m_fcp.IsConnected()==false)\r
 264                                 {\r
 265                                         m_log->information("FreenetMasterThread::Run Disconnected from Freenet node.");\r
 266                                 }\r
 267 \r
 268                         }\r
 269                 }\r
 270                 catch(Poco::Exception &e)\r
 271                 {\r
 272                         m_log->error("FreenetMasterThread::run caught exception : "+e.displayText());\r
 273                 }\r
 274                 catch(...)\r
 275                 {\r
 276                         m_log->error("FreenetMasterThread::run caught unknown exception");\r
 277                 }\r
 278         }while(!IsCancelled() && done==false);\r
 279 \r
 280         m_fcp.Disconnect();\r
 281 \r
 282         Shutdown();\r
 283 \r
 284         m_log->debug("FreenetMasterThread::run thread exiting.");\r
 285 \r
 286 }\r
 287 \r
 288 void FreenetMasterThread::Setup()\r
 289 {\r
 290 \r
 291         // seed random number generator\r
 292         srand(time(NULL));\r
 293 \r
 294         m_registrables.push_back(new UnkeyedIDCreator(&m_fcp));\r
 295         m_registrables.push_back(new IdentityInserter(&m_fcp));\r
 296         m_registrables.push_back(new IdentityRequester(&m_fcp));\r
 297         m_registrables.push_back(new UnknownIdentityRequester(&m_fcp));\r
 298         m_registrables.push_back(new IntroductionPuzzleInserter(&m_fcp));\r
 299         m_registrables.push_back(new IdentityIntroductionRequester(&m_fcp));\r
 300         m_registrables.push_back(new IntroductionPuzzleRequester(&m_fcp));\r
 301         m_registrables.push_back(new IdentityIntroductionInserter(&m_fcp));\r
 302         m_registrables.push_back(new TrustListInserter(&m_fcp));\r
 303         m_registrables.push_back(new TrustListRequester(&m_fcp));\r
 304         m_registrables.push_back(new MessageListInserter(&m_fcp));\r
 305         m_registrables.push_back(new MessageListRequester(&m_fcp));\r
 306         m_registrables.push_back(new InactiveMessageListRequester(&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