src/freenet/fmsversionrequester.cpp

   1 #include "../../include/freenet/fmsversionrequester.h"\r
   2 #include "../../include/freenet/fmsversionxml.h"\r
   3 #include "../../include/option.h"\r
   4 #include "../../include/stringfunctions.h"\r
   5 \r
   6 #include <Poco/Timestamp.h>\r
   7 #include <Poco/Timespan.h>\r
   8 \r
   9 FMSVersionRequester::FMSVersionRequester()\r
  10 {\r
  11         Initialize();\r
  12 }\r
  13 \r
  14 FMSVersionRequester::FMSVersionRequester(FCPv2 *fcp):IFCPConnected(fcp)\r
  15 {\r
  16         Initialize();\r
  17 }\r
  18 \r
  19 const bool FMSVersionRequester::HandleAllData(FCPMessage &message)\r
  20 {\r
  21         std::vector<char> data;\r
  22         long datalength;\r
  23         FMSVersionXML xml;\r
  24 \r
  25         StringFunctions::Convert(message["DataLength"],datalength);\r
  26 \r
  27         // wait for all data to be received from connection\r
  28         while(m_fcp->Connected() && m_fcp->ReceiveBufferSize()<datalength)\r
  29         {\r
  30                 m_fcp->Update(1);\r
  31         }\r
  32 \r
  33         // if we got disconnected- return immediately\r
  34         if(m_fcp->Connected()==false)\r
  35         {\r
  36                 return false;\r
  37         }\r
  38 \r
  39         // receive the file\r
  40         data.resize(datalength);\r
  41         if(data.size()>0)\r
  42         {\r
  43                 m_fcp->ReceiveRaw(&data[0],datalength);\r
  44         }\r
  45 \r
  46         // update latest edition #\r
  47         std::vector<std::string> parts;\r
  48         StringFunctions::Split(message["Identifier"],"/",parts);\r
  49         if(parts.size()>2)\r
  50         {\r
  51                 std::string editionstr=parts[2];\r
  52                 Option::Instance()->Set("FMSVersionEdition",editionstr);\r
  53         }\r
  54 \r
  55         // parse file into xml and update the database\r
  56         if(data.size()>0 && xml.ParseXML(std::string(data.begin(),data.end()))==true)\r
  57         {\r
  58 \r
  59                 SQLite3DB::Statement st=m_db->Prepare("REPLACE INTO tblFMSVersion(Major,Minor,Release,Notes,Changes,PageKey,SourceKey) VALUES(?,?,?,?,?,?,?);");\r
  60                 st.Bind(0,xml.GetMajor());\r
  61                 st.Bind(1,xml.GetMinor());\r
  62                 st.Bind(2,xml.GetRelease());\r
  63                 st.Bind(3,xml.GetNotes());\r
  64                 st.Bind(4,xml.GetChanges());\r
  65                 st.Bind(5,xml.GetPageKey());\r
  66                 st.Bind(6,xml.GetSourceKey());\r
  67                 st.Step();\r
  68 \r
  69                 m_log->debug("FMSVersionRequester::HandleAllData parsed FMSVersion XML file : "+message["Identifier"]);\r
  70         }\r
  71         else\r
  72         {\r
  73                 m_log->error("FMSVersionRequester::HandleAllData error parsing FMSVersion XML file : "+message["Identifier"]);\r
  74         }\r
  75 \r
  76         return true;\r
  77 }\r
  78 \r
  79 const bool FMSVersionRequester::HandleGetFailed(FCPMessage &message)\r
  80 {\r
  81         std::vector<std::string> parts;\r
  82         StringFunctions::Split(message["Identifier"],"/",parts);\r
  83 \r
  84         // fatal error - don't try to download again\r
  85         if(message["Fatal"]=="true")\r
  86         {\r
  87                 if(parts.size()>2)\r
  88                 {\r
  89                         std::string editionstr=parts[2];\r
  90                         Option::Instance()->Set("FMSVersionEdition",editionstr);\r
  91                 }\r
  92                 m_log->debug("FMSVersionRequester::HandleGetFailed Fatal GetFailed for "+message["Identifier"]);\r
  93         }\r
  94 \r
  95         return true;\r
  96 }\r
  97 \r
  98 const bool FMSVersionRequester::HandleMessage(FCPMessage &message)\r
  99 {\r
 100         if(message["Identifier"].find(m_fcpuniquename)==0)\r
 101         {\r
 102                 \r
 103                 // ignore DataFound\r
 104                 if(message.GetName()=="DataFound")\r
 105                 {\r
 106                         return true;\r
 107                 }\r
 108 \r
 109                 if(message.GetName()=="AllData")\r
 110                 {\r
 111                         return HandleAllData(message);\r
 112                 }\r
 113 \r
 114                 if(message.GetName()=="GetFailed")\r
 115                 {\r
 116                         return HandleGetFailed(message);\r
 117                 }\r
 118 \r
 119                 if(message.GetName()=="IdentifierCollision")\r
 120                 {\r
 121                         return true;\r
 122                 }\r
 123 \r
 124         }\r
 125 \r
 126         return false;   \r
 127 }\r
 128 \r
 129 void FMSVersionRequester::Initialize()\r
 130 {\r
 131         m_fcpuniquename="FMSVersionRequester";\r
 132         m_lastchecked=Poco::Timestamp();\r
 133         m_lastchecked-=Poco::Timespan(0,6,0,0,0);\r
 134 }\r
 135 \r
 136 void FMSVersionRequester::Process()\r
 137 {\r
 138         Poco::DateTime now;\r
 139 \r
 140         // check every 6 hours\r
 141         if((m_lastchecked+Poco::Timespan(0,5,45,0,0))<=now)\r
 142         {\r
 143                 StartRequest();\r
 144                 m_lastchecked=now;\r
 145         }\r
 146 }\r
 147 \r
 148 void FMSVersionRequester::RegisterWithThread(FreenetMasterThread *thread)\r
 149 {\r
 150         thread->RegisterFCPConnected(this);\r
 151         thread->RegisterFCPMessageHandler(this);\r
 152         thread->RegisterPeriodicProcessor(this);\r
 153 }\r
 154 \r
 155 void FMSVersionRequester::StartRequest()\r
 156 {\r
 157         FCPMessage message;\r
 158         std::string key="";\r
 159         std::string editionstr="0";\r
 160         int edition=0;\r
 161         \r
 162         Option::Instance()->Get("FMSVersionKey",key);\r
 163         if(Option::Instance()->Get("FMSVersionEdition",editionstr))\r
 164         {\r
 165                 StringFunctions::Convert(editionstr,edition);\r
 166                 edition++;\r
 167                 StringFunctions::Convert(edition,editionstr);\r
 168         }\r
 169 \r
 170         //start request\r
 171         message.SetName("ClientGet");\r
 172         message["URI"]=key+editionstr+"/FMSVersion.xml";\r
 173         message["Identifier"]=m_fcpuniquename+"|"+message["URI"];\r
 174         message["ReturnType"]="direct";\r
 175         message["MaxSize"]="30000";             // 30K\r
 176 \r
 177         m_fcp->SendMessage(message);\r
 178 \r
 179 }\r