src/freenet/freenetmasterthread.cpp

   1 #include "../../include/freenet/freenetmasterthread.h"\r
   2 #include "../../include/option.h"\r
   3 #include "../../include/uuidgenerator.h"\r
   4 #include "../../include/stringfunctions.h"\r
   5 #include "../../include/freenet/unkeyedidcreator.h"\r
   6 #include "../../include/freenet/identityinserter.h"\r
   7 #include "../../include/freenet/identityrequester.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/introductionpuzzleremover.h"\r
  12 #include "../../include/freenet/identityintroductioninserter.h"\r
  13 #include "../../include/freenet/trustlistinserter.h"\r
  14 \r
  15 #include <zthread/Thread.h>\r
  16 \r
  17 #ifdef XMEM\r
  18         #include <xmem.h>\r
  19 #endif\r
  20 \r
  21 FreenetMasterThread::FreenetMasterThread()\r
  22 {\r
  23         std::string fcpport;\r
  24 \r
  25         if(Option::instance()->Get("FCPHost",m_fcphost)==false)\r
  26         {\r
  27                 m_fcphost="localhost";\r
  28                 Option::instance()->Set("FCPHost",m_fcphost);\r
  29         }\r
  30         if(Option::instance()->Get("FCPPort",fcpport)==false)\r
  31         {\r
  32                 fcpport="9481";\r
  33                 Option::instance()->Set("FCPPort",fcpport);\r
  34         }\r
  35 \r
  36         // convert fcp port to long, and make sure it's within the valid port range\r
  37         if(StringFunctions::Convert(fcpport,m_fcpport)==false)\r
  38         {\r
  39                 m_fcpport=9481;\r
  40                 Option::instance()->Set("FCPPort","9481");\r
  41         }\r
  42 \r
  43         m_receivednodehello=false;\r
  44 \r
  45 }\r
  46 \r
  47 FreenetMasterThread::~FreenetMasterThread()\r
  48 {\r
  49 \r
  50 }\r
  51 \r
  52 const bool FreenetMasterThread::FCPConnect()\r
  53 {\r
  54         // we were previosly connected, send FCPDisconnect to objects\r
  55         if(m_receivednodehello==true)\r
  56         {\r
  57                 for(std::vector<IFCPConnected *>::iterator i=m_fcpconnected.begin(); i!=m_fcpconnected.end(); i++)\r
  58                 {\r
  59                         (*i)->FCPDisconnected();\r
  60                 }\r
  61                 m_receivednodehello=false;\r
  62         }\r
  63 \r
  64         m_log->WriteLog(LogFile::LOGLEVEL_INFO,__FUNCTION__" trying to connect to node "+m_fcphost);\r
  65 \r
  66         if(m_fcp.Connect(m_fcphost.c_str(),m_fcpport)==true)\r
  67         {\r
  68                 UUIDGenerator uuid;\r
  69                 std::string clientname="FMSClient-"+uuid.Generate();\r
  70                 // send ClientHello message to node\r
  71                 m_fcp.SendMessage("ClientHello",2,"Name",clientname.c_str(),"ExpectedVersion","2.0");\r
  72 \r
  73                 m_log->WriteLog(LogFile::LOGLEVEL_INFO,__FUNCTION__" connected to node");\r
  74 \r
  75                 return true;\r
  76         }\r
  77         else\r
  78         {\r
  79                 return false;\r
  80         }\r
  81 \r
  82 }\r
  83 \r
  84 const bool FreenetMasterThread::HandleMessage(FCPMessage &message)\r
  85 {\r
  86         if(message.GetName()=="NodeHello")\r
  87         {\r
  88                 m_receivednodehello=true;\r
  89 \r
  90                 // send connected message to all objects, must do this AFTER we received the NodeHello message\r
  91                 for(std::vector<IFCPConnected *>::iterator i=m_fcpconnected.begin(); i!=m_fcpconnected.end(); i++)\r
  92                 {\r
  93                         (*i)->FCPConnected();\r
  94                 }\r
  95 \r
  96                 return true;\r
  97         }\r
  98         if(m_receivednodehello==true)\r
  99         {\r
 100                 bool handled=false;\r
 101                 std::vector<IFCPMessageHandler *>::iterator i=m_fcpmessagehandlers.begin();\r
 102                 while(handled==false && i!=m_fcpmessagehandlers.end())\r
 103                 {\r
 104                         handled=(*i)->HandleMessage(message);\r
 105                         i++;\r
 106                 }\r
 107 \r
 108                 if(handled==false)\r
 109                 {\r
 110                         std::string info("");\r
 111                         for(std::map<std::string,std::string>::iterator mi=message.begin(); mi!=message.end(); mi++)\r
 112                         {\r
 113                                 info+="\t\t\t\t"+(*mi).first+"="+(*mi).second+"\r\n";\r
 114                         }\r
 115                         m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,__FUNCTION__" received unhandled "+message.GetName()+" message.  Message content :\r\n"+info);\r
 116 \r
 117                         // if unhandled message was alldata - we must retrieve the data\r
 118                         if(message.GetName()=="AllData")\r
 119                         {\r
 120                                 long length;\r
 121                                 StringFunctions::Convert(message["DataLength"],length);\r
 122                                 while(m_fcp.Connected() && m_fcp.ReceiveBufferSize()<length)\r
 123                                 {\r
 124                                         m_fcp.Update(1);\r
 125                                 }\r
 126                                 if(m_fcp.Connected())\r
 127                                 {\r
 128                                         char *data=new char[length];\r
 129                                         m_fcp.ReceiveRaw(data,length);\r
 130                                         delete [] data;\r
 131                                 }\r
 132                         }\r
 133                 }\r
 134 \r
 135                 return handled;\r
 136 \r
 137         }\r
 138         else\r
 139         {\r
 140                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,__FUNCTION__" received "+message.GetName()+" message before NodeHello");\r
 141         }\r
 142 \r
 143         return false;\r
 144 }\r
 145 \r
 146 void FreenetMasterThread::RegisterFCPConnected(IFCPConnected *obj)\r
 147 {\r
 148         m_fcpconnected.push_back(obj);\r
 149 }\r
 150 \r
 151 void FreenetMasterThread::RegisterFCPMessageHandler(IFCPMessageHandler *obj)\r
 152 {\r
 153         m_fcpmessagehandlers.push_back(obj);\r
 154 }\r
 155 \r
 156 void FreenetMasterThread::RegisterPeriodicProcessor(IPeriodicProcessor *obj)\r
 157 {\r
 158         m_processors.push_back(obj);\r
 159 }\r
 160 \r
 161 void FreenetMasterThread::run()\r
 162 {\r
 163 \r
 164         FCPMessage message;\r
 165         bool done=false;\r
 166 \r
 167         Setup();\r
 168 \r
 169         do\r
 170         {\r
 171                 if(m_fcp.Connected()==false)\r
 172                 {\r
 173                         if(FCPConnect()==false)\r
 174                         {\r
 175 \r
 176                                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,__FUNCTION__" could not connect to node.  Waiting 60 seconds.");\r
 177 \r
 178                                 // wait 60 seconds - will then try to connect again\r
 179                                 try\r
 180                                 {\r
 181                                         ZThread::Thread::sleep(60000);\r
 182                                 }\r
 183                                 catch(...)\r
 184                                 {\r
 185                                         done=true;\r
 186                                 }\r
 187                         }\r
 188                 }\r
 189                 // fcp is connected\r
 190                 else\r
 191                 {\r
 192                         m_fcp.Update(1);\r
 193 \r
 194                         // check for message on receive buffer and handle it\r
 195                         if(m_fcp.ReceiveBufferSize()>0)\r
 196                         {\r
 197                                 message.Reset();\r
 198                                 message=m_fcp.ReceiveMessage();\r
 199 \r
 200                                 if(message.GetName()!="")\r
 201                                 {\r
 202                                         HandleMessage(message);\r
 203                                 }\r
 204                         }\r
 205 \r
 206                         // let objects do their processing\r
 207                         for(std::vector<IPeriodicProcessor *>::iterator i=m_processors.begin(); i!=m_processors.end(); i++)\r
 208                         {\r
 209                                 (*i)->Process();\r
 210                         }\r
 211 \r
 212                 }\r
 213         }while(!ZThread::Thread::interrupted() && done==false);\r
 214 \r
 215         m_fcp.Disconnect();\r
 216 \r
 217         Shutdown();\r
 218 \r
 219 }\r
 220 \r
 221 void FreenetMasterThread::Setup()\r
 222 {\r
 223 \r
 224         // seed random number generator\r
 225         srand(time(NULL));\r
 226 \r
 227         m_registrables.push_back(new UnkeyedIDCreator(&m_fcp));\r
 228         m_registrables.push_back(new IdentityInserter(&m_fcp));\r
 229         m_registrables.push_back(new IdentityRequester(&m_fcp));\r
 230         m_registrables.push_back(new IntroductionPuzzleInserter(&m_fcp));\r
 231         m_registrables.push_back(new IdentityIntroductionRequester(&m_fcp));\r
 232         m_registrables.push_back(new IntroductionPuzzleRequester(&m_fcp));\r
 233         m_registrables.push_back(new IntroductionPuzzleRemover());\r
 234         m_registrables.push_back(new IdentityIntroductionInserter(&m_fcp));\r
 235         m_registrables.push_back(new TrustListInserter(&m_fcp));\r
 236 \r
 237         for(std::vector<IFreenetRegistrable *>::iterator i=m_registrables.begin(); i!=m_registrables.end(); i++)\r
 238         {\r
 239                 (*i)->RegisterWithThread(this);\r
 240         }\r
 241 \r
 242 }\r
 243 \r
 244 void FreenetMasterThread::Shutdown()\r
 245 {\r
 246         // delete each registerable object\r
 247         for(std::vector<IFreenetRegistrable *>::iterator i=m_registrables.begin(); i!=m_registrables.end(); i++)\r
 248         {\r
 249                 delete (*i);\r
 250         }\r
 251 }