src/dbmaintenancethread.cpp

   1 #include "../include/dbmaintenancethread.h"\r
   2 #include "../include/stringfunctions.h"\r
   3 #include "../include/option.h"\r
   4 \r
   5 #include <Poco/Timestamp.h>\r
   6 #include <Poco/Timespan.h>\r
   7 #include <Poco/DateTimeFormatter.h>\r
   8 #include <Poco/Thread.h>\r
   9 \r
  10 DBMaintenanceThread::DBMaintenanceThread()\r
  11 {\r
  12         // move last maintenance times back so they will all run soon\r
  13         m_last10minute=Poco::Timestamp();\r
  14         m_last30minute=Poco::Timestamp();\r
  15         m_last30minute-=Poco::Timespan(0,0,11,0,0);\r
  16         m_last1hour=Poco::Timestamp();\r
  17         m_last1hour-=Poco::Timespan(0,0,49,0,0);\r
  18         m_last6hour=Poco::Timestamp();\r
  19         m_last6hour-=Poco::Timespan(0,5,42,0,0);\r
  20         m_last1day=Poco::Timestamp();\r
  21         m_last1day-=Poco::Timespan(0,23,51,0,0);\r
  22 \r
  23         m_deletemessagesolderthan=180;\r
  24         std::string tempval="180";\r
  25         Option::Instance()->Get("DeleteMessagesOlderThan",tempval);\r
  26         StringFunctions::Convert(tempval,m_deletemessagesolderthan);\r
  27 \r
  28 }\r
  29 \r
  30 \r
  31 void DBMaintenanceThread::Do10MinuteMaintenance()\r
  32 {\r
  33 \r
  34         m_log->debug("PeriodicDBMaintenance::Do10MinuteMaintenance");\r
  35 }\r
  36 \r
  37 void DBMaintenanceThread::Do30MinuteMaintenance()\r
  38 {\r
  39 \r
  40         m_log->debug("PeriodicDBMaintenance::Do30MinuteMaintenance");\r
  41 }\r
  42 \r
  43 void DBMaintenanceThread::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         // set null peer trust for identities without a calculated trust\r
  86         st=m_db->Prepare("SELECT IdentityID FROM tblIdentity WHERE IdentityID NOT IN (SELECT TargetIdentityID FROM vwCalculatedPeerTrust);");\r
  87         upd=m_db->Prepare("UPDATE tblIdentity SET PeerMessageTrust=NULL, PeerTrustListTrust=NULL WHERE IdentityID=?;");\r
  88         st.Step();\r
  89         while(st.RowReturned())\r
  90         {\r
  91                 int identityid=0;\r
  92                 st.ResultInt(0,identityid);\r
  93                 upd.Bind(0,identityid);\r
  94                 upd.Step();\r
  95                 upd.Reset();\r
  96                 st.Step();\r
  97         }\r
  98 \r
  99         // insert all identities not in trust list already\r
 100         m_db->Execute("INSERT INTO tblIdentityTrust(LocalIdentityID,IdentityID) SELECT LocalIdentityID,IdentityID FROM tblLocalIdentity,tblIdentity WHERE LocalIdentityID || '_' || IdentityID NOT IN (SELECT LocalIdentityID || '_' || IdentityID FROM tblIdentityTrust);");\r
 101 \r
 102         m_log->debug("PeriodicDBMaintenance::Do1HourMaintenance");\r
 103 }\r
 104 \r
 105 void DBMaintenanceThread::Do6HourMaintenance()\r
 106 {\r
 107 \r
 108         // if we remove a board and the reply boardid is still set to it, we need to replace it with a boardid that does exist\r
 109         SQLite3DB::Statement st=m_db->Prepare("SELECT MessageID FROM tblMessage WHERE ReplyBoardID NOT IN (SELECT BoardID FROM tblBoard);");\r
 110         SQLite3DB::Statement st2=m_db->Prepare("SELECT BoardID FROM tblMessageBoard WHERE MessageID=?;");\r
 111         SQLite3DB::Statement upd=m_db->Prepare("UPDATE tblMessage SET ReplyBoardID=? WHERE MessageID=?;");\r
 112         st.Step();\r
 113         while(st.RowReturned())\r
 114         {\r
 115                 // find a valid boardid for the message\r
 116                 int messageid=0;\r
 117                 int boardid=0;\r
 118 \r
 119                 st.ResultInt(0,messageid);\r
 120 \r
 121                 st2.Bind(0,messageid);\r
 122                 st2.Step();\r
 123                 if(st2.RowReturned())\r
 124                 {\r
 125                         st2.ResultInt(0,boardid);\r
 126                         upd.Bind(0,boardid);\r
 127                         upd.Bind(1,messageid);\r
 128                         upd.Step();\r
 129                         upd.Reset();\r
 130                 }\r
 131                 st2.Reset();\r
 132                 \r
 133                 st.Step();\r
 134         }\r
 135 \r
 136         m_log->debug("PeriodicDBMaintenance::Do6HourMaintenance");\r
 137 }\r
 138 \r
 139 void DBMaintenanceThread::Do1DayMaintenance()\r
 140 {\r
 141         Poco::DateTime date;\r
 142 \r
 143         // delete all puzzles 2 or more days old\r
 144         date=Poco::Timestamp();\r
 145         date-=Poco::Timespan(2,0,0,0,0);\r
 146         m_db->Execute("DELETE FROM tblIntroductionPuzzleInserts WHERE Day<='"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 147         m_db->Execute("DELETE FROM tblIntroductionPuzzleRequests WHERE Day<='"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 148 \r
 149         // delete all identities we've never seen and were added more than 20 days ago\r
 150         date=Poco::Timestamp();\r
 151         date-=Poco::Timespan(20,0,0,0,0);\r
 152         m_db->Execute("DELETE FROM tblIdentity WHERE LastSeen IS NULL AND DateAdded<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 153 \r
 154         // delete old identity requests - we don't need them anymore\r
 155         date=Poco::Timestamp();\r
 156         date-=Poco::Timespan(2,0,0,0,0);\r
 157         m_db->Execute("DELETE FROM tblIdentityRequests WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 158 \r
 159         // delete old board list inserts/requests - we don't need them anymore\r
 160         date=Poco::Timestamp();\r
 161         date-=Poco::Timespan(2,0,0,0,0);\r
 162         m_db->Execute("DELETE FROM tblBoardListInserts WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 163         m_db->Execute("DELETE FROM tblBoardListRequests WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 164 \r
 165         // delete old local identity inserts - we don't need them anymore\r
 166         date=Poco::Timestamp();\r
 167         date-=Poco::Timespan(2,0,0,0,0);\r
 168         m_db->Execute("DELETE FROM tblLocalIdentityInserts WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 169 \r
 170         // delete old message list inserts/requests - we don't need them anymore\r
 171         date=Poco::Timestamp();\r
 172         date-=Poco::Timespan(2,0,0,0,0);\r
 173         m_db->Execute("DELETE FROM tblMessageListInserts WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 174         m_db->Execute("DELETE FROM tblMessageListRequests WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 175 \r
 176         // delete old trust list inserts/requests - we don't need them anymore\r
 177         date=Poco::Timestamp();\r
 178         date-=Poco::Timespan(2,0,0,0,0);\r
 179         m_db->Execute("DELETE FROM tblTrustListInserts WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 180         m_db->Execute("DELETE FROM tblTrustListRequests WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 181 \r
 182         // delete trust lists from identities we aren't trusting anymore\r
 183         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
 184 \r
 185         // remove identityid from messages where the identity has been deleted\r
 186         m_db->Execute("UPDATE tblMessage SET IdentityID=NULL WHERE IdentityID NOT IN (SELECT IdentityID FROM tblIdentity);");\r
 187 \r
 188         // try to re-attach messages from identities that were previously deleted, but have been since re-added\r
 189         // first get the names from messages that have a NULL IdentityID\r
 190         SQLite3DB::Statement st=m_db->Prepare("SELECT FromName FROM tblMessage WHERE IdentityID IS NULL GROUP BY FromName;");\r
 191         st.Step();\r
 192         while(st.RowReturned())\r
 193         {\r
 194                 std::string name="";\r
 195                 std::string namepart="";\r
 196                 std::string publickey="";\r
 197                 int identityid=0;\r
 198                 st.ResultText(0,name);\r
 199 \r
 200                 std::vector<std::string> parts;\r
 201                 StringFunctions::Split(name,"@",parts);\r
 202 \r
 203                 // name can have a @ in it - so reattach all parts except the last which is the key\r
 204                 for(long i=0; i<parts.size()-1; i++)\r
 205                 {\r
 206                         if(i!=0)\r
 207                         {\r
 208                                 namepart+="@";\r
 209                         }\r
 210                         namepart+=parts[i];\r
 211                 }\r
 212 \r
 213                 // find identities with this name\r
 214                 SQLite3DB::Statement st2=m_db->Prepare("SELECT IdentityID,PublicKey FROM tblIdentity WHERE Name=?;");\r
 215                 st2.Bind(0,namepart);\r
 216                 st2.Step();\r
 217                 while(st2.RowReturned())\r
 218                 {\r
 219                         publickey="";\r
 220                         identityid=0;\r
 221                         st2.ResultText(1,publickey);\r
 222                         // check if public key matches 2nd part\r
 223                         if(parts.size()>1 && publickey.find(parts[1])==4)\r
 224                         {\r
 225                                 // we have the identity - so update the messages table with the identityid\r
 226                                 st2.ResultInt(0,identityid);\r
 227 \r
 228                                 SQLite3DB::Statement st3=m_db->Prepare("UPDATE tblMessage SET IdentityID=? WHERE FromName=? AND IdentityID IS NULL;");\r
 229                                 st3.Bind(0,identityid);\r
 230                                 st3.Bind(1,name);\r
 231                                 st3.Step();\r
 232                         }\r
 233                         st2.Step();\r
 234                 }\r
 235 \r
 236                 st.Step();\r
 237         }\r
 238 \r
 239         // delete single use identities that are older than 7 days\r
 240         date=Poco::Timestamp();\r
 241         date-=Poco::Timespan(7,0,0,0,0);\r
 242         st=m_db->Prepare("DELETE FROM tblIdentity WHERE SingleUse='true' AND DateAdded<?;");\r
 243         st.Bind(0,Poco::DateTimeFormatter::format(date,"%Y-%m-%d %H:%M:%S"));\r
 244         st.Step();\r
 245 \r
 246         // delete local single use identities that are older than 7 days\r
 247         date=Poco::Timestamp();\r
 248         date-=Poco::Timespan(7,0,0,0,0);\r
 249         st=m_db->Prepare("DELETE FROM tblLocalIdentity WHERE SingleUse='true' AND DateCreated<?;");\r
 250         st.Bind(0,Poco::DateTimeFormatter::format(date,"%Y-%m-%d %H:%M:%S"));\r
 251         st.Step();\r
 252 \r
 253         // delete old messages\r
 254         date=Poco::Timestamp();\r
 255         date-=Poco::Timespan(m_deletemessagesolderthan,0,0,0,0);\r
 256         m_log->trace("PeriodicDBMaintenance::Do1DayMaintenance deleting messages prior to "+Poco::DateTimeFormatter::format(date,"%Y-%m-%d"));\r
 257         st=m_db->Prepare("DELETE FROM tblMessage WHERE MessageDate<?;");\r
 258         st.Bind(0,Poco::DateTimeFormatter::format(date,"%Y-%m-%d"));\r
 259         st.Step();\r
 260 \r
 261         // delete old message requests\r
 262         date=Poco::Timestamp();\r
 263         date-=Poco::Timespan(90,0,0,0,0);\r
 264         st=m_db->Prepare("DELETE FROM tblMessageRequests WHERE Day<?;");\r
 265         st.Bind(0,Poco::DateTimeFormatter::format(date,"%Y-%m-%d"));\r
 266         st.Step();\r
 267 \r
 268         // delete tblIdentityTrust for local identities and identities that have been deleted\r
 269         m_db->Execute("DELETE FROM tblIdentityTrust WHERE LocalIdentityID NOT IN (SELECT LocalIdentityID FROM tblLocalIdentity);");\r
 270         m_db->Execute("DELETE FROM tblIdentityTrust WHERE IdentityID NOT IN (SELECT IdentityID FROM tblIdentity);");\r
 271 \r
 272         m_log->debug("PeriodicDBMaintenance::Do1DayMaintenance");\r
 273 \r
 274 }\r
 275 \r
 276 void DBMaintenanceThread::run()\r
 277 {\r
 278         m_log->debug("DBMaintenanceThread::run thread started.");\r
 279 \r
 280         Poco::DateTime now;\r
 281 \r
 282         do\r
 283         {\r
 284                 now=Poco::Timestamp();\r
 285 \r
 286                 if((m_last10minute+Poco::Timespan(0,0,10,0,0))<=now)\r
 287                 {\r
 288                         Do10MinuteMaintenance();\r
 289                         m_last10minute=Poco::Timestamp();\r
 290                 }\r
 291                 if((m_last30minute+Poco::Timespan(0,0,30,0,0))<=now)\r
 292                 {\r
 293                         Do30MinuteMaintenance();\r
 294                         m_last30minute=Poco::Timestamp();\r
 295                 }\r
 296                 if((m_last1hour+Poco::Timespan(0,1,0,0,0))<=now)\r
 297                 {\r
 298                         Do1HourMaintenance();\r
 299                         m_last1hour=Poco::Timestamp();\r
 300                 }\r
 301                 if((m_last6hour+Poco::Timespan(0,6,0,0,0))<=now)\r
 302                 {\r
 303                         Do6HourMaintenance();\r
 304                         m_last6hour=Poco::Timestamp();\r
 305                 }\r
 306                 if((m_last1day+Poco::Timespan(1,0,0,0,0))<=now)\r
 307                 {\r
 308                         Do1DayMaintenance();\r
 309                         m_last1day=Poco::Timestamp();\r
 310                 }\r
 311 \r
 312                 Poco::Thread::sleep(1000);\r
 313         }while(!IsCancelled());\r
 314 \r
 315         m_log->debug("DBMaintenanceThread::run thread exiting.");\r
 316 }\r