src/freenet/boardlistrequester.cpp

   1 #include "../../include/freenet/boardlistrequester.h"\r
   2 #include "../../include/freenet/boardlistxml.h"\r
   3 \r
   4 #ifdef XMEM\r
   5         #include <xmem.h>\r
   6 #endif\r
   7 \r
   8 BoardListRequester::BoardListRequester()\r
   9 {\r
  10         Initialize();\r
  11 }\r
  12 \r
  13 BoardListRequester::BoardListRequester(FCPv2 *fcp):IIndexRequester<long>(fcp)\r
  14 {\r
  15         Initialize();\r
  16 }\r
  17 \r
  18 const bool BoardListRequester::HandleAllData(FCPMessage &message)\r
  19 {       \r
  20         DateTime now;\r
  21         SQLite3DB::Statement st;\r
  22         std::vector<std::string> idparts;\r
  23         long datalength;\r
  24         std::vector<char> data;\r
  25         BoardListXML xml;\r
  26         long identityid;\r
  27         long index;\r
  28 \r
  29         now.SetToGMTime();\r
  30         StringFunctions::Split(message["Identifier"],"|",idparts);\r
  31         StringFunctions::Convert(message["DataLength"],datalength);\r
  32         StringFunctions::Convert(idparts[1],identityid);\r
  33         StringFunctions::Convert(idparts[2],index);\r
  34 \r
  35         // wait for all data to be received from connection\r
  36         while(m_fcp->Connected() && m_fcp->ReceiveBufferSize()<datalength)\r
  37         {\r
  38                 m_fcp->Update(1);\r
  39         }\r
  40 \r
  41         // if we got disconnected- return immediately\r
  42         if(m_fcp->Connected()==false)\r
  43         {\r
  44                 return false;\r
  45         }\r
  46 \r
  47         // receive the file\r
  48         data.resize(datalength);\r
  49         m_fcp->ReceiveRaw(&data[0],datalength);\r
  50 \r
  51         // parse file into xml and update the database\r
  52         if(xml.ParseXML(std::string(data.begin(),data.end()))==true)\r
  53         {\r
  54 \r
  55                 SQLite3DB::Statement brd=m_db->Prepare("SELECT BoardID,BoardName,BoardDescription FROM tblBoard WHERE BoardName=?;");\r
  56                 SQLite3DB::Statement ins=m_db->Prepare("INSERT INTO tblBoard(BoardName,BoardDescription,DateAdded) VALUES(?,?,?);");\r
  57                 SQLite3DB::Statement upd=m_db->Prepare("UPDATE tblBoard SET BoardDescription=? WHERE BoardID=?;");\r
  58                 for(long i=0; i<xml.GetCount(); i++)\r
  59                 {\r
  60                         int boardid;\r
  61                         std::string name="";\r
  62                         std::string description="";\r
  63 \r
  64                         brd.Bind(0,xml.GetName(i));\r
  65                         brd.Step();\r
  66                         \r
  67                         if(brd.RowReturned())\r
  68                         {\r
  69                                 brd.ResultInt(0,boardid);\r
  70                                 brd.ResultText(2,description);\r
  71                                 if(description=="" && xml.GetDescription(i)!="")\r
  72                                 {\r
  73                                         upd.Bind(0,xml.GetDescription(i));\r
  74                                         upd.Step();\r
  75                                         upd.Reset();\r
  76                                 }\r
  77                         }\r
  78                         else\r
  79                         {\r
  80                                 ins.Bind(0,xml.GetName(i));\r
  81                                 ins.Bind(1,xml.GetDescription(i));\r
  82                                 ins.Bind(2,now.Format("%Y-%m-%d %H:%M:%S"));\r
  83                                 ins.Step();\r
  84                                 ins.Reset();\r
  85                         }\r
  86                         brd.Reset();\r
  87                 }\r
  88 \r
  89                 st=m_db->Prepare("INSERT INTO tblBoardListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'true');");\r
  90                 st.Bind(0,identityid);\r
  91                 st.Bind(1,idparts[4]);\r
  92                 st.Bind(2,index);\r
  93                 st.Step();\r
  94                 st.Finalize();\r
  95 \r
  96                 m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"BoardListRequester::HandleAllData parsed BoardList XML file : "+message["Identifier"]);\r
  97         }\r
  98         else\r
  99         {\r
 100                 // bad data - mark index\r
 101                 st=m_db->Prepare("INSERT INTO tblBoardListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 102                 st.Bind(0,identityid);\r
 103                 st.Bind(1,idparts[4]);\r
 104                 st.Bind(2,index);\r
 105                 st.Step();\r
 106                 st.Finalize();\r
 107 \r
 108                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"BoardListRequester::HandleAllData error parsing BoardList XML file : "+message["Identifier"]);\r
 109         }\r
 110 \r
 111         // remove this identityid from request list\r
 112         RemoveFromRequestList(identityid);\r
 113 \r
 114         return true;\r
 115 \r
 116 }\r
 117 \r
 118 const bool BoardListRequester::HandleGetFailed(FCPMessage &message)\r
 119 {\r
 120         DateTime now;\r
 121         SQLite3DB::Statement st;\r
 122         std::vector<std::string> idparts;\r
 123         long identityid;\r
 124         long index;\r
 125 \r
 126         now.SetToGMTime();\r
 127         StringFunctions::Split(message["Identifier"],"|",idparts);\r
 128         StringFunctions::Convert(idparts[1],identityid);\r
 129         StringFunctions::Convert(idparts[2],index);     \r
 130 \r
 131         // if this is a fatal error - insert index into database so we won't try to download this index again\r
 132         if(message["Fatal"]=="true")\r
 133         {\r
 134                 st=m_db->Prepare("INSERT INTO tblBoardListRequests(IdentityID,Day,RequestIndex,Found) VALUES(?,?,?,'false');");\r
 135                 st.Bind(0,identityid);\r
 136                 st.Bind(1,idparts[4]);\r
 137                 st.Bind(2,index);\r
 138                 st.Step();\r
 139                 st.Finalize();\r
 140 \r
 141                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"BoardListRequester::HandleGetFailed fatal error requesting "+message["Identifier"]);\r
 142         }\r
 143 \r
 144         // remove this identityid from request list\r
 145         RemoveFromRequestList(identityid);\r
 146 \r
 147         return true;\r
 148 }\r
 149 \r
 150 void BoardListRequester::Initialize()\r
 151 {\r
 152         std::string tempval="";\r
 153 \r
 154         m_fcpuniquename="BoardListRequester";\r
 155         m_maxrequests=0;\r
 156 \r
 157         Option::Instance()->Get("MaxBoardListRequests",tempval);\r
 158         StringFunctions::Convert(tempval,m_maxrequests);\r
 159         if(m_maxrequests<0)\r
 160         {\r
 161                 m_maxrequests=0;\r
 162                 m_log->WriteLog(LogFile::LOGLEVEL_ERROR,"Option MaxBoardListRequests is currently set at "+tempval+".  It must be 0 or greater.");\r
 163         }\r
 164         if(m_maxrequests>100)\r
 165         {\r
 166                 m_log->WriteLog(LogFile::LOGLEVEL_WARNING,"Option MaxBoardListRequests is currently set at "+tempval+".  This value might be incorrectly configured.");\r
 167         }\r
 168 }\r
 169 \r
 170 void BoardListRequester::PopulateIDList()\r
 171 {\r
 172         int id;\r
 173         DateTime today;\r
 174         today.SetToGMTime();\r
 175 \r
 176         SQLite3DB::Statement st=m_db->Prepare("SELECT IdentityID FROM tblIdentity WHERE PublicKey IS NOT NULL AND PublicKey <> '' AND LastSeen>='"+today.Format("%Y-%m-%d")+"' AND LocalMessageTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinLocalMessageTrust') AND PublishBoardList='true' ORDER BY LocalMessageTrust+LocalTrustListTrust DESC, LastSeen;");\r
 177         st.Step();\r
 178 \r
 179         m_ids.clear();\r
 180 \r
 181         while(st.RowReturned())\r
 182         {\r
 183                 st.ResultInt(0,id);\r
 184                 m_ids[id]=false;\r
 185                 st.Step();\r
 186         }\r
 187 \r
 188 }\r
 189 \r
 190 void BoardListRequester::StartRequest(const long &identityid)\r
 191 {\r
 192         DateTime now;\r
 193         FCPMessage message;\r
 194         std::string publickey;\r
 195         std::string indexstr;\r
 196         int index;\r
 197         std::string identityidstr;\r
 198 \r
 199         SQLite3DB::Statement st=m_db->Prepare("SELECT PublicKey FROM tblIdentity WHERE identityid=?;");\r
 200         st.Bind(0,identityid);\r
 201         st.Step();\r
 202 \r
 203         if(st.RowReturned())\r
 204         {\r
 205                 st.ResultText(0,publickey);\r
 206 \r
 207                 now.SetToGMTime();\r
 208 \r
 209                 SQLite3DB::Statement st2=m_db->Prepare("SELECT MAX(RequestIndex) FROM tblBoardListRequests WHERE Day=? AND IdentityID=?;");\r
 210                 st2.Bind(0,now.Format("%Y-%m-%d"));\r
 211                 st2.Bind(1,identityid);\r
 212                 st2.Step();\r
 213 \r
 214                 index=0;\r
 215                 if(st2.RowReturned())\r
 216                 {\r
 217                         if(st2.ResultNull(0)==false)\r
 218                         {\r
 219                                 st2.ResultInt(0,index);\r
 220                                 index++;\r
 221                         }\r
 222                 }\r
 223                 st2.Finalize();\r
 224 \r
 225                 StringFunctions::Convert(index,indexstr);\r
 226                 StringFunctions::Convert(identityid,identityidstr);\r
 227 \r
 228                 message.SetName("ClientGet");\r
 229                 message["URI"]=publickey+m_messagebase+"|"+now.Format("%Y-%m-%d")+"|BoardList|"+indexstr+".xml";\r
 230                 message["Identifier"]=m_fcpuniquename+"|"+identityidstr+"|"+indexstr+"|"+message["URI"];\r
 231                 message["ReturnType"]="direct";\r
 232                 message["MaxSize"]="100000";                    // 100 KB\r
 233 \r
 234                 m_fcp->SendMessage(message);\r
 235 \r
 236                 m_requesting.push_back(identityid);\r
 237 \r
 238         }\r
 239         st.Finalize();\r
 240 \r
 241         m_ids[identityid]=true;\r
 242 \r
 243 }\r