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::Connection *fcp):IFCPConnected(fcp)\r
  15 {\r
  16         Initialize();\r
  17 }\r
  18 \r
  19 const bool FMSVersionRequester::HandleAllData(FCPv2::Message &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         m_fcp->WaitForBytes(1000,datalength);\r
  29 \r
  30         // if we got disconnected- return immediately\r
  31         if(m_fcp->IsConnected()==false)\r
  32         {\r
  33                 return false;\r
  34         }\r
  35 \r
  36         // receive the file\r
  37         m_fcp->Receive(data,datalength);\r
  38 \r
  39         // update latest edition #\r
  40         std::vector<std::string> parts;\r
  41         StringFunctions::Split(message["Identifier"],"/",parts);\r
  42         if(parts.size()>2)\r
  43         {\r
  44                 std::string editionstr=parts[2];\r
  45                 Option::Instance()->Set("FMSVersionEdition",editionstr);\r
  46         }\r
  47 \r
  48         // parse file into xml and update the database\r
  49         if(data.size()>0 && xml.ParseXML(std::string(data.begin(),data.end()))==true)\r
  50         {\r
  51 \r
  52                 SQLite3DB::Statement st=m_db->Prepare("REPLACE INTO tblFMSVersion(Major,Minor,Release,Notes,Changes,PageKey,SourceKey) VALUES(?,?,?,?,?,?,?);");\r
  53                 st.Bind(0,xml.GetMajor());\r
  54                 st.Bind(1,xml.GetMinor());\r
  55                 st.Bind(2,xml.GetRelease());\r
  56                 st.Bind(3,xml.GetNotes());\r
  57                 st.Bind(4,xml.GetChanges());\r
  58                 st.Bind(5,xml.GetPageKey());\r
  59                 st.Bind(6,xml.GetSourceKey());\r
  60                 st.Step();\r
  61 \r
  62                 m_log->debug("FMSVersionRequester::HandleAllData parsed FMSVersion XML file : "+message["Identifier"]);\r
  63         }\r
  64         else\r
  65         {\r
  66                 m_log->error("FMSVersionRequester::HandleAllData error parsing FMSVersion XML file : "+message["Identifier"]);\r
  67         }\r
  68 \r
  69         return true;\r
  70 }\r
  71 \r
  72 const bool FMSVersionRequester::HandleGetFailed(FCPv2::Message &message)\r
  73 {\r
  74         std::vector<std::string> parts;\r
  75         StringFunctions::Split(message["Identifier"],"/",parts);\r
  76 \r
  77         // fatal error - don't try to download again\r
  78         if(message["Fatal"]=="true")\r
  79         {\r
  80                 if(parts.size()>2)\r
  81                 {\r
  82                         std::string editionstr=parts[2];\r
  83                         Option::Instance()->Set("FMSVersionEdition",editionstr);\r
  84                 }\r
  85                 m_log->debug("FMSVersionRequester::HandleGetFailed Fatal GetFailed for "+message["Identifier"]);\r
  86         }\r
  87 \r
  88         return true;\r
  89 }\r
  90 \r
  91 const bool FMSVersionRequester::HandleMessage(FCPv2::Message &message)\r
  92 {\r
  93         if(message["Identifier"].find(m_fcpuniquename)==0)\r
  94         {\r
  95                 \r
  96                 // ignore DataFound\r
  97                 if(message.GetName()=="DataFound")\r
  98                 {\r
  99                         return true;\r
 100                 }\r
 101 \r
 102                 if(message.GetName()=="AllData")\r
 103                 {\r
 104                         return HandleAllData(message);\r
 105                 }\r
 106 \r
 107                 if(message.GetName()=="GetFailed")\r
 108                 {\r
 109                         return HandleGetFailed(message);\r
 110                 }\r
 111 \r
 112                 if(message.GetName()=="IdentifierCollision")\r
 113                 {\r
 114                         return true;\r
 115                 }\r
 116 \r
 117         }\r
 118 \r
 119         return false;   \r
 120 }\r
 121 \r
 122 void FMSVersionRequester::Initialize()\r
 123 {\r
 124         m_fcpuniquename="FMSVersionRequester";\r
 125         m_lastchecked=Poco::Timestamp();\r
 126         m_lastchecked-=Poco::Timespan(0,6,0,0,0);\r
 127 }\r
 128 \r
 129 void FMSVersionRequester::Process()\r
 130 {\r
 131         Poco::DateTime now;\r
 132 \r
 133         // check every 6 hours\r
 134         if((m_lastchecked+Poco::Timespan(0,5,45,0,0))<=now)\r
 135         {\r
 136                 StartRequest();\r
 137                 m_lastchecked=now;\r
 138         }\r
 139 }\r
 140 \r
 141 void FMSVersionRequester::RegisterWithThread(FreenetMasterThread *thread)\r
 142 {\r
 143         thread->RegisterFCPConnected(this);\r
 144         thread->RegisterFCPMessageHandler(this);\r
 145         thread->RegisterPeriodicProcessor(this);\r
 146 }\r
 147 \r
 148 void FMSVersionRequester::StartRequest()\r
 149 {\r
 150         FCPv2::Message message;\r
 151         std::string key="";\r
 152         std::string editionstr="0";\r
 153         int edition=0;\r
 154         \r
 155         Option::Instance()->Get("FMSVersionKey",key);\r
 156         if(Option::Instance()->Get("FMSVersionEdition",editionstr))\r
 157         {\r
 158                 StringFunctions::Convert(editionstr,edition);\r
 159                 edition++;\r
 160                 StringFunctions::Convert(edition,editionstr);\r
 161         }\r
 162 \r
 163         //start request\r
 164         message.SetName("ClientGet");\r
 165         message["URI"]=key+editionstr+"/FMSVersion.xml";\r
 166         message["Identifier"]=m_fcpuniquename+"|"+message["URI"];\r
 167         message["ReturnType"]="direct";\r
 168         message["MaxSize"]="30000";             // 30K\r
 169 \r
 170         m_fcp->Send(message);\r
 171 \r
 172 }\r