src/freenet/periodicdbmaintenance.cpp

   1 #include "../../include/freenet/periodicdbmaintenance.h"\r
   2 #include "../../include/stringfunctions.h"\r
   3 #include "../../include/option.h"\r
   4 \r
   5 #ifdef XMEM\r
   6         #include <xmem.h>\r
   7 #endif\r
   8 \r
   9 PeriodicDBMaintenance::PeriodicDBMaintenance()\r
  10 {\r
  11         std::string tempval;\r
  12 \r
  13         m_check10mins.SetToGMTime();\r
  14         m_check30mins.SetToGMTime();\r
  15         m_check1hour.SetToGMTime();\r
  16         m_check6hours.SetToGMTime();\r
  17         m_check1day.SetToGMTime();\r
  18 \r
  19         // set back times so they will do their first maintenance soon ( within the next hour ) - stagger so not all run at once\r
  20         m_check30mins.Add(0,-5);\r
  21         m_check1hour.Add(0,-42);\r
  22         m_check6hours.Add(0,-1,-5);\r
  23         m_check1day.Add(0,0,-23);\r
  24 \r
  25         tempval="180";\r
  26         Option::Instance()->Get("DeleteMessagesOlderThan",tempval);\r
  27         StringFunctions::Convert(tempval,m_deletemessagesolderthan);\r
  28 \r
  29 }\r
  30 \r
  31 void PeriodicDBMaintenance::Do10MinuteMaintenance()\r
  32 {\r
  33 \r
  34         m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"PeriodicDBMaintenance::Do10MinuteMaintenance");\r
  35 }\r
  36 \r
  37 void PeriodicDBMaintenance::Do30MinuteMaintenance()\r
  38 {\r
  39 \r
  40         m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"PeriodicDBMaintenance::Do30MinuteMaintenance");\r
  41 }\r
  42 \r
  43 void PeriodicDBMaintenance::Do1HourMaintenance()\r
  44 {\r
  45         // recalculate all trust levels - this is CPU instensive\r
  46         // do 1 identity at a time as doing it with 1 UPDATE statement locks that database for the duration\r
  47         SQLite3DB::Statement st=m_db->Prepare("SELECT TargetIdentityID,PeerMessageTrust,PeerTrustListTrust FROM vwCalculatedPeerTrust;");\r
  48         SQLite3DB::Statement upd=m_db->Prepare("UPDATE tblIdentity SET PeerMessageTrust=?, PeerTrustListTrust=? WHERE IdentityID=?");\r
  49         st.Step();\r
  50         while(st.RowReturned())\r
  51         {\r
  52                 int identityid=0;\r
  53                 int trust=0;\r
  54                 \r
  55                 st.ResultInt(0,identityid);\r
  56 \r
  57                 upd.Bind(0,identityid);\r
  58                 if(st.ResultNull(1)==false)\r
  59                 {\r
  60                         trust=0;\r
  61                         st.ResultInt(1,trust);\r
  62                         upd.Bind(0,trust);\r
  63                 }\r
  64                 else\r
  65                 {\r
  66                         upd.Bind(0);\r
  67                 }\r
  68                 if(st.ResultNull(2)==false)\r
  69                 {\r
  70                         trust=0;\r
  71                         st.ResultInt(2,trust);\r
  72                         upd.Bind(1,trust);\r
  73                 }\r
  74                 else\r
  75                 {\r
  76                         upd.Bind(1);\r
  77                 }\r
  78                 upd.Bind(2,identityid);\r
  79                 upd.Step();\r
  80                 upd.Reset();\r
  81 \r
  82                 st.Step();\r
  83         }\r
  84 \r
  85 \r
  86 \r
  87         m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"PeriodicDBMaintenance::Do1HourMaintenance");\r
  88 }\r
  89 \r
  90 void PeriodicDBMaintenance::Do6HourMaintenance()\r
  91 {\r
  92 \r
  93         m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"PeriodicDBMaintenance::Do6HourMaintenance");\r
  94 }\r
  95 \r
  96 void PeriodicDBMaintenance::Do1DayMaintenance()\r
  97 {\r
  98         DateTime date;\r
  99 \r
 100         // delete all puzzles 2 or more days old\r
 101         date.SetToGMTime();\r
 102         date.Add(0,0,0,-2);\r
 103         m_db->Execute("DELETE FROM tblIntroductionPuzzleInserts WHERE Day<='"+date.Format("%Y-%m-%d")+"';");\r
 104         m_db->Execute("DELETE FROM tblIntroductionPuzzleRequests WHERE Day<='"+date.Format("%Y-%m-%d")+"';");\r
 105 \r
 106         m_log->WriteLog(LogFile::LOGLEVEL_DEBUG,"PeriodicDBMaintenance::Do1DayMaintenance");\r
 107 \r
 108         // delete all identities we've never seen and were added more than 20 days ago\r
 109         date.SetToGMTime();\r
 110         date.Add(0,0,0,-20);\r
 111         m_db->Execute("DELETE FROM tblIdentity WHERE LastSeen IS NULL AND DateAdded<'"+date.Format("%Y-%m-%d")+"';");\r
 112 \r
 113         // delete old identity requests - we don't need them anymore\r
 114         date.SetToGMTime();\r
 115         date.Add(0,0,0,-2);\r
 116         m_db->Execute("DELETE FROM tblIdentityRequests WHERE Day<'"+date.Format("%Y-%m-%d")+"';");\r
 117 \r
 118         // delete old local identity inserts - we don't need them anymore\r
 119         date.SetToGMTime();\r
 120         date.Add(0,0,0,-2);\r
 121         m_db->Execute("DELETE FROM tblLocalIdentityInserts WHERE Day<'"+date.Format("%Y-%m-%d")+"';");\r
 122 \r
 123         // delete old message list inserts/requests - we don't need them anymore\r
 124         date.SetToGMTime();\r
 125         date.Add(0,0,0,-2);\r
 126         m_db->Execute("DELETE FROM tblMessageListInserts WHERE Day<'"+date.Format("%Y-%m-%d")+"';");\r
 127         m_db->Execute("DELETE FROM tblMessageListRequests WHERE Day<'"+date.Format("%Y-%m-%d")+"';");\r
 128 \r
 129         // delete old trust list inserts/requests - we don't need them anymore\r
 130         date.SetToGMTime();\r
 131         date.Add(0,0,0,-2);\r
 132         m_db->Execute("DELETE FROM tblTrustListInserts WHERE Day<'"+date.Format("%Y-%m-%d")+"';");\r
 133         m_db->Execute("DELETE FROM tblTrustListRequests WHERE Day<'"+date.Format("%Y-%m-%d")+"';");\r
 134 \r
 135         // delete trust lists from identities we aren't trusting anymore\r
 136         m_db->Execute("DELETE FROM tblPeerTrust WHERE IdentityID NOT IN (SELECT IdentityID FROM tblIdentity WHERE (LocalTrustListTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinLocalTrustListTrust')) AND (PeerTrustListTrust IS NULL OR PeerTrustListTrust>=(SELECT OptionValue FROM tblOption WHERE Option='MinPeerTrustListTrust')));");\r
 137 \r
 138         // remove identityid from messages where the identity has been deleted\r
 139         m_db->Execute("UPDATE tblMessage SET IdentityID=NULL WHERE IdentityID NOT IN (SELECT IdentityID FROM tblIdentity);");\r
 140 \r
 141         // try to re-attach messages from identities that were previously deleted, but have been since re-added\r
 142         // first get the names from messages that have a NULL IdentityID\r
 143         SQLite3DB::Statement st=m_db->Prepare("SELECT FromName FROM tblMessage WHERE IdentityID IS NULL GROUP BY FromName;");\r
 144         st.Step();\r
 145         while(st.RowReturned())\r
 146         {\r
 147                 std::string name="";\r
 148                 std::string publickey="";\r
 149                 int identityid=0;\r
 150                 st.ResultText(0,name);\r
 151 \r
 152                 std::vector<std::string> parts;\r
 153                 StringFunctions::Split(name,"@",parts);\r
 154 \r
 155                 // find identities with this name\r
 156                 SQLite3DB::Statement st2=m_db->Prepare("SELECT IdentityID,PublicKey FROM tblIdentity WHERE Name=?;");\r
 157                 st2.Bind(0,name);\r
 158                 st2.Step();\r
 159                 while(st2.RowReturned())\r
 160                 {\r
 161                         publickey="";\r
 162                         identityid=0;\r
 163                         st2.ResultText(1,publickey);\r
 164                         // check if public key matches 2nd part\r
 165                         if(parts.size()>1 && publickey.find(parts[1])==4)\r
 166                         {\r
 167                                 // we have the identity - so update the messages table with the identityid\r
 168                                 st2.ResultInt(0,identityid);\r
 169 \r
 170                                 SQLite3DB::Statement st3=m_db->Prepare("UPDATE tblMessage SET IdentityID=? WHERE Name=? AND IdentityID IS NULL;");\r
 171                                 st3.Bind(0,identityid);\r
 172                                 st3.Bind(1,name);\r
 173                                 st3.Step();\r
 174                         }\r
 175                         st2.Step();\r
 176                 }\r
 177 \r
 178                 st.Step();\r
 179         }\r
 180 \r
 181         // delete single use identities that are older than 7 days\r
 182         date.SetToGMTime();\r
 183         date.Add(0,0,0,-7);\r
 184         st=m_db->Prepare("DELETE FROM tblIdentity WHERE SingleUse='true' AND DateAdded<?;");\r
 185         st.Bind(0,date.Format("%Y-%m-%d %H:%M:%S"));\r
 186         st.Step();\r
 187 \r
 188         // delete local single use identities that are older than 7 days\r
 189         date.SetToGMTime();\r
 190         date.Add(0,0,0,-7);\r
 191         st=m_db->Prepare("DELETE FROM tblLocalIdentity WHERE SingleUse='true' AND DateCreated<?;");\r
 192         st.Bind(0,date.Format("%Y-%m-%d %H:%M:%S"));\r
 193         st.Step();\r
 194 \r
 195         // delete old messages\r
 196         date.SetToGMTime();\r
 197         date.Add(0,0,0,-m_deletemessagesolderthan);\r
 198         st=m_db->Prepare("DELETE FROM tblMessage WHERE MessageDate<?;");\r
 199         st.Bind(0,date.Format("%Y-%m-%d"));\r
 200         st.Step();\r
 201 \r
 202 }\r
 203 \r
 204 void PeriodicDBMaintenance::Process()\r
 205 {\r
 206         DateTime now;\r
 207         now.SetToGMTime();\r
 208         \r
 209         if(m_check10mins<=(now-((1.0/1440.0)*10.0)))\r
 210         {\r
 211                 Do10MinuteMaintenance();\r
 212                 m_check10mins=now;\r
 213         }\r
 214         if(m_check30mins<=(now-((1.0/1440.0)*30.0)))\r
 215         {\r
 216                 Do30MinuteMaintenance();\r
 217                 m_check30mins=now;\r
 218         }\r
 219         if(m_check1hour<=(now-(1.0/24.0)))\r
 220         {\r
 221                 Do1HourMaintenance();\r
 222                 m_check1hour=now;\r
 223         }\r
 224         if(m_check6hours<=(now-(1.0/4.0)))\r
 225         {\r
 226                 Do6HourMaintenance();\r
 227                 m_check6hours=now;\r
 228         }\r
 229         if(m_check1day<=(now-(1.0)))\r
 230         {\r
 231                 Do1DayMaintenance();\r
 232                 m_check1day=now;\r
 233         }\r
 234 \r
 235 }\r
 236 \r
 237 void PeriodicDBMaintenance::RegisterWithThread(FreenetMasterThread *thread)\r
 238 {\r
 239         thread->RegisterPeriodicProcessor(this);\r
 240 }\r