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