src/dbmaintenancethread.cpp

   1 #include "../include/dbmaintenancethread.h"\r
   2 #include "../include/stringfunctions.h"\r
   3 #include "../include/option.h"\r
   4 #include "../include/threadbuilder.h"\r
   5 #include "../include/dbsetup.h"\r
   6 \r
   7 #include <Poco/Timestamp.h>\r
   8 #include <Poco/Timespan.h>\r
   9 #include <Poco/DateTimeFormatter.h>\r
  10 #include <Poco/Thread.h>\r
  11 \r
  12 DBMaintenanceThread::DBMaintenanceThread()\r
  13 {\r
  14         // move last maintenance times back so they will all run soon\r
  15         m_last10minute=Poco::Timestamp();\r
  16         m_last30minute=Poco::Timestamp();\r
  17         m_last30minute-=Poco::Timespan(0,0,11,0,0);\r
  18         m_last1hour=Poco::Timestamp();\r
  19         m_last1hour-=Poco::Timespan(0,0,49,0,0);\r
  20         m_last6hour=Poco::Timestamp();\r
  21         m_last6hour-=Poco::Timespan(0,5,42,0,0);\r
  22         m_last1day=Poco::Timestamp();\r
  23         m_last1day-=Poco::Timespan(0,23,51,0,0);\r
  24 \r
  25 \r
  26 \r
  27 }\r
  28 \r
  29 \r
  30 void DBMaintenanceThread::Do10MinuteMaintenance()\r
  31 {\r
  32         Option option(m_db);\r
  33         std::string ll("");\r
  34         option.Get("LogLevel",ll);\r
  35 \r
  36         // TODO - remove after corruption issue fixed\r
  37         if(ll=="8")\r
  38         {\r
  39                 std::string dbres=TestDBIntegrity(m_db);\r
  40                 m_log->trace("DBMaintenanceThread::Do10MinuteMaintenance() start TestDBIntegrity returned "+dbres);\r
  41         }\r
  42 \r
  43         ThreadBuilder tb(m_db);\r
  44         SQLite3DB::Statement boardst=m_db->Prepare("SELECT BoardID FROM tblBoard WHERE Forum='true';");\r
  45         // select messages for a board that aren't in a thread\r
  46         SQLite3DB::Statement selectst=m_db->Prepare("SELECT tblMessage.MessageID FROM tblMessage \\r
  47                                                                                                 INNER JOIN tblMessageBoard ON tblMessage.MessageID=tblMessageBoard.MessageID\\r
  48                                                                                                 LEFT JOIN tblThreadPost ON tblMessage.MessageID=tblThreadPost.MessageID \\r
  49                                                                                                 LEFT JOIN tblThread ON tblThreadPost.ThreadID=tblThread.ThreadID\\r
  50                                                                                                 WHERE tblMessageBoard.BoardID=? AND tblThread.BoardID IS NULL;");\r
  51 \r
  52         boardst.Step();\r
  53         while(boardst.RowReturned())\r
  54         {\r
  55                 int boardid=-1;\r
  56 \r
  57                 boardst.ResultInt(0,boardid);\r
  58 \r
  59                 selectst.Bind(0,boardid);\r
  60                 selectst.Step();\r
  61 \r
  62                 while(selectst.RowReturned())\r
  63                 {\r
  64                         int messageid=-1;\r
  65 \r
  66                         selectst.ResultInt(0,messageid);\r
  67 \r
  68                         tb.Build(messageid,boardid,true);\r
  69 \r
  70                         selectst.Step();\r
  71                 }\r
  72                 selectst.Reset();\r
  73 \r
  74                 boardst.Step();\r
  75         }\r
  76 \r
  77         // TODO - remove after corruption issue fixed\r
  78         if(ll=="8")\r
  79         {\r
  80                 std::string dbres=TestDBIntegrity(m_db);\r
  81                 m_log->trace("DBMaintenanceThread::Do10MinuteMaintenance() middle TestDBIntegrity returned "+dbres);\r
  82         }\r
  83 \r
  84         // now rebuild threads where the message has been deleted\r
  85         SQLite3DB::Statement st=m_db->Prepare("SELECT tblThreadPost.MessageID, tblThread.BoardID FROM tblThreadPost INNER JOIN tblThread ON tblThreadPost.ThreadID=tblThread.ThreadID LEFT JOIN tblMessage ON tblThreadPost.MessageID=tblMessage.MessageID WHERE tblMessage.MessageID IS NULL;");\r
  86         st.Step();\r
  87         while(st.RowReturned())\r
  88         {\r
  89                 int messageid=-1;\r
  90                 int boardid=-1;\r
  91 \r
  92                 st.ResultInt(0,messageid);\r
  93                 st.ResultInt(1,boardid);\r
  94 \r
  95                 tb.Build(messageid,boardid,true);\r
  96 \r
  97                 st.Step();\r
  98         }\r
  99 \r
 100         // delete threads that have no messages\r
 101         m_db->Execute("DELETE FROM tblThread WHERE ThreadID IN (SELECT tblThread.ThreadID FROM tblThread LEFT JOIN tblThreadPost ON tblThread.ThreadID=tblThreadPost.ThreadID WHERE tblThreadPost.ThreadID IS NULL);");\r
 102 \r
 103         // TODO - remove after corruption issue fixed\r
 104         if(ll=="8")\r
 105         {\r
 106                 std::string dbres=TestDBIntegrity(m_db);\r
 107                 m_log->trace("DBMaintenanceThread::Do10MinuteMaintenance() end TestDBIntegrity returned "+dbres);\r
 108         }\r
 109 \r
 110         m_log->debug("PeriodicDBMaintenance::Do10MinuteMaintenance");\r
 111 }\r
 112 \r
 113 void DBMaintenanceThread::Do30MinuteMaintenance()\r
 114 {\r
 115         // UNCOMMENT method in run when code is placed here\r
 116         m_log->debug("PeriodicDBMaintenance::Do30MinuteMaintenance");\r
 117 }\r
 118 \r
 119 void DBMaintenanceThread::Do1HourMaintenance()\r
 120 {\r
 121 \r
 122         m_db->Execute("BEGIN;");\r
 123         // recalculate all trust levels - this is CPU instensive\r
 124         // do 1 identity at a time as doing it with 1 UPDATE statement locks that database for the duration\r
 125         SQLite3DB::Statement st=m_db->Prepare("SELECT TargetIdentityID,PeerMessageTrust,PeerTrustListTrust FROM vwCalculatedPeerTrust;");\r
 126         SQLite3DB::Statement upd=m_db->Prepare("UPDATE tblIdentity SET PeerMessageTrust=?, PeerTrustListTrust=? WHERE IdentityID=?");\r
 127         st.Step();\r
 128         while(st.RowReturned())\r
 129         {\r
 130                 int identityid=0;\r
 131                 int trust=0;\r
 132                 \r
 133                 st.ResultInt(0,identityid);\r
 134 \r
 135                 upd.Bind(0,identityid);\r
 136                 if(st.ResultNull(1)==false)\r
 137                 {\r
 138                         trust=0;\r
 139                         st.ResultInt(1,trust);\r
 140                         upd.Bind(0,trust);\r
 141                 }\r
 142                 else\r
 143                 {\r
 144                         upd.Bind(0);\r
 145                 }\r
 146                 if(st.ResultNull(2)==false)\r
 147                 {\r
 148                         trust=0;\r
 149                         st.ResultInt(2,trust);\r
 150                         upd.Bind(1,trust);\r
 151                 }\r
 152                 else\r
 153                 {\r
 154                         upd.Bind(1);\r
 155                 }\r
 156                 upd.Bind(2,identityid);\r
 157                 upd.Step();\r
 158                 upd.Reset();\r
 159 \r
 160                 st.Step();\r
 161         }\r
 162 \r
 163         // set null peer trust for identities without a calculated trust\r
 164         st=m_db->Prepare("SELECT IdentityID FROM tblIdentity WHERE IdentityID NOT IN (SELECT TargetIdentityID FROM vwCalculatedPeerTrust);");\r
 165         upd=m_db->Prepare("UPDATE tblIdentity SET PeerMessageTrust=NULL, PeerTrustListTrust=NULL WHERE IdentityID=?;");\r
 166         st.Step();\r
 167         while(st.RowReturned())\r
 168         {\r
 169                 int identityid=0;\r
 170                 st.ResultInt(0,identityid);\r
 171                 upd.Bind(0,identityid);\r
 172                 upd.Step();\r
 173                 upd.Reset();\r
 174                 st.Step();\r
 175         }\r
 176 \r
 177         // insert all identities not in trust list already\r
 178         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
 179 \r
 180         m_db->Execute("COMMIT;");\r
 181 \r
 182         m_log->debug("PeriodicDBMaintenance::Do1HourMaintenance");\r
 183 }\r
 184 \r
 185 void DBMaintenanceThread::Do6HourMaintenance()\r
 186 {\r
 187 \r
 188         m_db->Execute("BEGIN;");\r
 189 \r
 190         // 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
 191         SQLite3DB::Statement st=m_db->Prepare("SELECT MessageID FROM tblMessage WHERE ReplyBoardID NOT IN (SELECT BoardID FROM tblBoard);");\r
 192         SQLite3DB::Statement st2=m_db->Prepare("SELECT BoardID FROM tblMessageBoard WHERE MessageID=?;");\r
 193         SQLite3DB::Statement upd=m_db->Prepare("UPDATE tblMessage SET ReplyBoardID=? WHERE MessageID=?;");\r
 194         st.Step();\r
 195         while(st.RowReturned())\r
 196         {\r
 197                 // find a valid boardid for the message\r
 198                 int messageid=0;\r
 199                 int boardid=0;\r
 200 \r
 201                 st.ResultInt(0,messageid);\r
 202 \r
 203                 st2.Bind(0,messageid);\r
 204                 st2.Step();\r
 205                 if(st2.RowReturned())\r
 206                 {\r
 207                         st2.ResultInt(0,boardid);\r
 208                         upd.Bind(0,boardid);\r
 209                         upd.Bind(1,messageid);\r
 210                         upd.Step();\r
 211                         upd.Reset();\r
 212                 }\r
 213                 st2.Reset();\r
 214                 \r
 215                 st.Step();\r
 216         }\r
 217 \r
 218         m_db->Execute("COMMIT;");\r
 219 \r
 220         m_log->debug("PeriodicDBMaintenance::Do6HourMaintenance");\r
 221 }\r
 222 \r
 223 void DBMaintenanceThread::Do1DayMaintenance()\r
 224 {\r
 225         Poco::DateTime date;\r
 226 \r
 227         m_db->Execute("BEGIN;");\r
 228 \r
 229         // delete all puzzles 2 or more days old\r
 230         date=Poco::Timestamp();\r
 231         date-=Poco::Timespan(2,0,0,0,0);\r
 232         m_db->Execute("DELETE FROM tblIntroductionPuzzleInserts WHERE Day<='"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 233         m_db->Execute("DELETE FROM tblIntroductionPuzzleRequests WHERE Day<='"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 234 \r
 235         // delete all identities we've never seen and were added more than 20 days ago\r
 236         date=Poco::Timestamp();\r
 237         date-=Poco::Timespan(20,0,0,0,0);\r
 238         m_db->Execute("DELETE FROM tblIdentity WHERE LastSeen IS NULL AND DateAdded<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 239 \r
 240         // delete old identity requests - we don't need them anymore\r
 241         date=Poco::Timestamp();\r
 242         date-=Poco::Timespan(2,0,0,0,0);\r
 243         m_db->Execute("DELETE FROM tblIdentityRequests WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 244 \r
 245         // delete old board list inserts/requests - we don't need them anymore\r
 246         date=Poco::Timestamp();\r
 247         date-=Poco::Timespan(2,0,0,0,0);\r
 248         m_db->Execute("DELETE FROM tblBoardListInserts WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 249         m_db->Execute("DELETE FROM tblBoardListRequests WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 250 \r
 251         // delete old local identity inserts - we don't need them anymore\r
 252         date=Poco::Timestamp();\r
 253         date-=Poco::Timespan(2,0,0,0,0);\r
 254         m_db->Execute("DELETE FROM tblLocalIdentityInserts WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 255 \r
 256         // delete old message list inserts/requests - we don't need them anymore\r
 257         date=Poco::Timestamp();\r
 258         date-=Poco::Timespan(2,0,0,0,0);\r
 259         m_db->Execute("DELETE FROM tblMessageListInserts WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 260         m_db->Execute("DELETE FROM tblMessageListRequests WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 261 \r
 262         // delete old trust list inserts/requests - we don't need them anymore\r
 263         date=Poco::Timestamp();\r
 264         date-=Poco::Timespan(2,0,0,0,0);\r
 265         m_db->Execute("DELETE FROM tblTrustListInserts WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 266         m_db->Execute("DELETE FROM tblTrustListRequests WHERE Day<'"+Poco::DateTimeFormatter::format(date,"%Y-%m-%d")+"';");\r
 267 \r
 268         // delete trust lists from identities we aren't trusting anymore\r
 269         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
 270 \r
 271         // remove identityid from messages where the identity has been deleted\r
 272         m_db->Execute("UPDATE tblMessage SET IdentityID=NULL WHERE IdentityID NOT IN (SELECT IdentityID FROM tblIdentity);");\r
 273 \r
 274         // try to re-attach messages from identities that were previously deleted, but have been since re-added\r
 275         // first get the names from messages that have a NULL IdentityID\r
 276         SQLite3DB::Statement st=m_db->Prepare("SELECT FromName FROM tblMessage WHERE IdentityID IS NULL GROUP BY FromName;");\r
 277         st.Step();\r
 278         while(st.RowReturned())\r
 279         {\r
 280                 std::string name="";\r
 281                 std::string namepart="";\r
 282                 std::string publickey="";\r
 283                 int identityid=0;\r
 284                 st.ResultText(0,name);\r
 285 \r
 286                 std::vector<std::string> parts;\r
 287                 StringFunctions::Split(name,"@",parts);\r
 288 \r
 289                 // name can have a @ in it - so reattach all parts except the last which is the key\r
 290                 for(long i=0; i<parts.size()-1; i++)\r
 291                 {\r
 292                         if(i!=0)\r
 293                         {\r
 294                                 namepart+="@";\r
 295                         }\r
 296                         namepart+=parts[i];\r
 297                 }\r
 298 \r
 299                 // find identities with this name\r
 300                 SQLite3DB::Statement st2=m_db->Prepare("SELECT IdentityID,PublicKey FROM tblIdentity WHERE Name=?;");\r
 301                 st2.Bind(0,namepart);\r
 302                 st2.Step();\r
 303                 while(st2.RowReturned())\r
 304                 {\r
 305                         publickey="";\r
 306                         identityid=0;\r
 307                         st2.ResultText(1,publickey);\r
 308                         // check if public key matches 2nd part\r
 309                         if(parts.size()>1 && publickey.find(parts[1])==4)\r
 310                         {\r
 311                                 // we have the identity - so update the messages table with the identityid\r
 312                                 st2.ResultInt(0,identityid);\r
 313 \r
 314                                 SQLite3DB::Statement st3=m_db->Prepare("UPDATE tblMessage SET IdentityID=? WHERE FromName=? AND IdentityID IS NULL;");\r
 315                                 st3.Bind(0,identityid);\r
 316                                 st3.Bind(1,name);\r
 317                                 st3.Step();\r
 318                         }\r
 319                         st2.Step();\r
 320                 }\r
 321 \r
 322                 st.Step();\r
 323         }\r
 324 \r
 325         // delete single use identities that are older than 7 days\r
 326         date=Poco::Timestamp();\r
 327         date-=Poco::Timespan(7,0,0,0,0);\r
 328         st=m_db->Prepare("DELETE FROM tblIdentity WHERE SingleUse='true' AND DateAdded<?;");\r
 329         st.Bind(0,Poco::DateTimeFormatter::format(date,"%Y-%m-%d %H:%M:%S"));\r
 330         st.Step();\r
 331 \r
 332         // delete local single use identities that are older than 7 days\r
 333         date=Poco::Timestamp();\r
 334         date-=Poco::Timespan(7,0,0,0,0);\r
 335         st=m_db->Prepare("DELETE FROM tblLocalIdentity WHERE SingleUse='true' AND DateCreated<?;");\r
 336         st.Bind(0,Poco::DateTimeFormatter::format(date,"%Y-%m-%d %H:%M:%S"));\r
 337         st.Step();\r
 338 \r
 339         // delete old messages\r
 340         date=Poco::Timestamp();\r
 341         date-=Poco::Timespan(m_deletemessagesolderthan,0,0,0,0);\r
 342         m_log->trace("PeriodicDBMaintenance::Do1DayMaintenance deleting messages prior to "+Poco::DateTimeFormatter::format(date,"%Y-%m-%d"));\r
 343         st=m_db->Prepare("DELETE FROM tblMessage WHERE MessageDate<?;");\r
 344         st.Bind(0,Poco::DateTimeFormatter::format(date,"%Y-%m-%d"));\r
 345         st.Step();\r
 346 \r
 347         // delete old message requests\r
 348         date=Poco::Timestamp();\r
 349         date-=Poco::Timespan(m_messagedownloadmaxdaysbackward,0,0,0,0);\r
 350         st=m_db->Prepare("DELETE FROM tblMessageRequests WHERE Day<?;");\r
 351         st.Bind(0,Poco::DateTimeFormatter::format(date,"%Y-%m-%d"));\r
 352         st.Step();\r
 353 \r
 354         // delete tblIdentityTrust for local identities and identities that have been deleted\r
 355         m_db->Execute("DELETE FROM tblIdentityTrust WHERE LocalIdentityID NOT IN (SELECT LocalIdentityID FROM tblLocalIdentity);");\r
 356         m_db->Execute("DELETE FROM tblIdentityTrust WHERE IdentityID NOT IN (SELECT IdentityID FROM tblIdentity);");\r
 357 \r
 358         m_db->Execute("COMMIT;");\r
 359 \r
 360         m_log->debug("PeriodicDBMaintenance::Do1DayMaintenance");\r
 361 \r
 362 }\r
 363 \r
 364 void DBMaintenanceThread::run()\r
 365 {\r
 366         m_log->debug("DBMaintenanceThread::run thread started.");\r
 367 \r
 368         LoadDatabase();\r
 369         Option option(m_db);\r
 370         std::string tempval("");\r
 371 \r
 372         m_deletemessagesolderthan=180;\r
 373         tempval="180";\r
 374         option.Get("DeleteMessagesOlderThan",tempval);\r
 375         StringFunctions::Convert(tempval,m_deletemessagesolderthan);\r
 376 \r
 377         m_messagedownloadmaxdaysbackward=5;\r
 378         tempval="5";\r
 379         option.Get("MessageDownloadMaxDaysBackward",tempval);\r
 380         StringFunctions::Convert(tempval,m_messagedownloadmaxdaysbackward);\r
 381 \r
 382 \r
 383         Poco::DateTime now;\r
 384         int i=0;\r
 385 \r
 386         do\r
 387         {\r
 388                 now=Poco::Timestamp();\r
 389 \r
 390                 if((m_last10minute+Poco::Timespan(0,0,10,0,0))<=now)\r
 391                 {\r
 392                         Do10MinuteMaintenance();\r
 393                         m_last10minute=Poco::Timestamp();\r
 394                 }\r
 395                 /*\r
 396                 if((m_last30minute+Poco::Timespan(0,0,30,0,0))<=now)\r
 397                 {\r
 398                         Do30MinuteMaintenance();\r
 399                         m_last30minute=Poco::Timestamp();\r
 400                 }\r
 401                 */\r
 402                 if((m_last1hour+Poco::Timespan(0,1,0,0,0))<=now)\r
 403                 {\r
 404                         Do1HourMaintenance();\r
 405                         m_last1hour=Poco::Timestamp();\r
 406                 }\r
 407                 if((m_last6hour+Poco::Timespan(0,6,0,0,0))<=now)\r
 408                 {\r
 409                         Do6HourMaintenance();\r
 410                         m_last6hour=Poco::Timestamp();\r
 411                 }\r
 412                 if((m_last1day+Poco::Timespan(1,0,0,0,0))<=now)\r
 413                 {\r
 414                         Do1DayMaintenance();\r
 415                         m_last1day=Poco::Timestamp();\r
 416                 }\r
 417 \r
 418                 i=0;\r
 419                 while(i++<5 && !IsCancelled())\r
 420                 {\r
 421                         Poco::Thread::sleep(1000);\r
 422                 }\r
 423 \r
 424         }while(!IsCancelled());\r
 425 \r
 426         m_log->debug("DBMaintenanceThread::run thread exiting.");\r
 427 }\r