diff options
Diffstat (limited to 'plugins/Dbx_mmap_SA/Dbtool/src/eventchain.cpp')
| -rw-r--r-- | plugins/Dbx_mmap_SA/Dbtool/src/eventchain.cpp | 363 |
1 files changed, 0 insertions, 363 deletions
diff --git a/plugins/Dbx_mmap_SA/Dbtool/src/eventchain.cpp b/plugins/Dbx_mmap_SA/Dbtool/src/eventchain.cpp deleted file mode 100644 index 3c9e37668a..0000000000 --- a/plugins/Dbx_mmap_SA/Dbtool/src/eventchain.cpp +++ /dev/null @@ -1,363 +0,0 @@ -/*
-Miranda Database Tool
-Miranda IM: the free IM client for Microsoft* Windows*
-
-Copyright 2000-2011 Miranda ICQ/IM project,
-all portions of this codebase are copyrighted to the people
-listed in contributors.txt.
-
-This program is free software; you can redistribute it and/or
-modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation; either version 2
-of the License, or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-*/
-#include "dbtool.h"
-
-static BOOL backLookup;
-static DWORD ofsThisEvent,ofsPrevEvent;
-static DWORD ofsDestPrevEvent;
-static DWORD eventCount;
-static DWORD lastTimestamp;
-static DWORD ofsFirstUnread,timestampFirstUnread;
-static DWORD memsize = 0;
-static DBEvent* memblock = NULL;
-static DBEvent* dbePrevEvent = NULL;
-
-static void ConvertOldEvent( DBEvent*& dbei )
-{
- int msglen = (int)strlen(( char* )dbei->blob) + 1, msglenW = 0;
- if ( msglen != (int) dbei->cbBlob ) {
- int i, count = (( dbei->cbBlob - msglen ) / sizeof( WCHAR ));
- WCHAR* p = ( WCHAR* )&dbei->blob[ msglen ];
- for ( i=0; i < count; i++ ) {
- if ( p[i] == 0 ) {
- msglenW = i;
- break;
- } } }
- else {
- if ( !is_utf8_string(( char* )dbei->blob))
- dbei->flags &= ~DBEF_UTF;
- }
-
- if ( msglenW > 0 && msglenW <= msglen ) {
- char* utf8str = Utf8EncodeW(( WCHAR* )&dbei->blob[ msglen ] );
- dbei->cbBlob = (DWORD)strlen( utf8str )+1;
- dbei->flags |= DBEF_UTF;
- if (offsetof(DBEvent,blob)+dbei->cbBlob > memsize) {
- memsize = offsetof(DBEvent,blob)+dbei->cbBlob;
- memblock = (DBEvent*)realloc(memblock, memsize);
- dbei = memblock;
- }
- memcpy( &dbei->blob, utf8str, dbei->cbBlob );
- free(utf8str);
-} }
-
-static void WriteOfsNextToPrevious(DWORD ofsPrev,DBContact *dbc,DWORD ofsNext)
-{
- if(ofsPrev)
- WriteSegment(ofsPrev+offsetof(DBEvent,ofsNext),&ofsNext,sizeof(DWORD));
- else
- dbc->ofsFirstEvent=ofsNext;
-}
-
-static void FinishUp(DWORD ofsLast,DBContact *dbc)
-{
- WriteOfsNextToPrevious(ofsLast,dbc,0);
- if(eventCount!=dbc->eventCount)
- AddToStatus(STATUS_WARNING,TranslateT("Event count marked wrongly: correcting"));
- dbc->eventCount=eventCount;
- dbc->ofsLastEvent=ofsLast;
- if(opts.bMarkRead) {
- dbc->ofsFirstUnreadEvent=0;
- dbc->timestampFirstUnread=0;
- }
- else {
- dbc->ofsFirstUnreadEvent=ofsFirstUnread;
- dbc->timestampFirstUnread=timestampFirstUnread;
- }
- if (memsize && memblock) {
- free(memblock);
- memsize = 0;
- memblock = NULL;
- }
-}
-
-static DWORD WriteEvent(DBEvent *dbe)
-{
- DWORD ofs = WriteSegment( WSOFS_END, dbe, offsetof(DBEvent,blob)+dbe->cbBlob );
- if ( ofs == WS_ERROR ) {
- free( memblock );
- memblock = NULL;
- memsize = 0;
- return 0;
- }
- return ofs;
-}
-
-int WorkEventChain(DWORD ofsContact,DBContact *dbc,int firstTime)
-{
- DBEvent *dbeNew,dbeOld;
- DBEvent *dbePrev = NULL;
- DWORD ofsDestThis;
- int isUnread=0;
-
- if(firstTime) {
- dbePrevEvent = NULL;
- ofsPrevEvent=0;
- ofsDestPrevEvent=0;
- ofsThisEvent=dbc->ofsFirstEvent;
- eventCount=0;
- backLookup=0;
- lastTimestamp=0;
- ofsFirstUnread=timestampFirstUnread=0;
- if(opts.bEraseHistory) {
- dbc->eventCount=0;
- dbc->ofsFirstEvent=0;
- dbc->ofsLastEvent=0;
- dbc->ofsFirstUnreadEvent=0;
- dbc->timestampFirstUnread=0;
- return ERROR_NO_MORE_ITEMS;
- } }
-
- if(ofsThisEvent==0) {
- FinishUp(ofsDestPrevEvent,dbc);
- return ERROR_NO_MORE_ITEMS;
- }
- if (!SignatureValid(ofsThisEvent,DBEVENT_SIGNATURE))
- {
- DWORD ofsNew = 0;
- DWORD ofsTmp = dbc->ofsLastEvent;
-
- if (!backLookup && ofsTmp) {
- backLookup = 1;
- while(SignatureValid(ofsTmp,DBEVENT_SIGNATURE))
- {
- if(PeekSegment(ofsTmp,&dbeOld,sizeof(dbeOld))!=ERROR_SUCCESS)
- break;
- ofsNew = ofsTmp;
- ofsTmp = dbeOld.ofsPrev;
- }
- }
- if (ofsNew) {
- AddToStatus(STATUS_WARNING,TranslateT("Event chain corrupted, trying to recover..."));
- ofsThisEvent = ofsNew;
- } else {
- AddToStatus(STATUS_ERROR,TranslateT("Event chain corrupted, further entries ignored"));
- FinishUp(ofsDestPrevEvent,dbc);
- return ERROR_NO_MORE_ITEMS;
- }
- }
-
- if(PeekSegment(ofsThisEvent,&dbeOld,sizeof(dbeOld))!=ERROR_SUCCESS) {
- FinishUp(ofsDestPrevEvent,dbc);
- return ERROR_NO_MORE_ITEMS;
- }
-
- if(firstTime) {
- if (!(dbeOld.flags&DBEF_FIRST)) {
- AddToStatus(STATUS_WARNING,TranslateT("First event not marked as such: correcting"));
- dbeOld.flags|=DBEF_FIRST;
- }
- dbeOld.ofsPrev=ofsContact;
- lastTimestamp=dbeOld.timestamp;
- }
- else if(dbeOld.flags&DBEF_FIRST) {
- AddToStatus(STATUS_WARNING,TranslateT("Event marked as first which is not: correcting"));
- dbeOld.flags&=~DBEF_FIRST;
- }
-
- if(dbeOld.flags&~(DBEF_FIRST|DBEF_READ|DBEF_SENT|DBEF_RTL|DBEF_UTF)) {
- AddToStatus(STATUS_WARNING,TranslateT("Extra flags found in event: removing"));
- dbeOld.flags&=(DBEF_FIRST|DBEF_READ|DBEF_SENT|DBEF_RTL|DBEF_UTF);
- }
-
- if (!(dbeOld.flags&(DBEF_READ|DBEF_SENT))) {
- if(opts.bMarkRead) dbeOld.flags|=DBEF_READ;
- else if(ofsFirstUnread==0) {
- if(dbc->ofsFirstUnreadEvent!=ofsThisEvent || dbc->timestampFirstUnread!=dbeOld.timestamp)
- AddToStatus(STATUS_WARNING,TranslateT("First unread event marked wrong: fixing"));
- isUnread=1;
- } }
-
- if(dbeOld.cbBlob>1024*1024 || dbeOld.cbBlob==0) {
- AddToStatus(STATUS_ERROR,TranslateT("Infeasibly large event blob: skipping"));
- ofsThisEvent=dbeOld.ofsNext;
- return ERROR_SUCCESS;
- }
-
- if ( dbePrevEvent && dbeOld.timestamp == lastTimestamp ) {
- int len = offsetof(DBEvent,blob)+dbePrevEvent->cbBlob;
- dbePrev = (DBEvent*)malloc(len);
- memcpy(dbePrev, dbePrevEvent, len);
- }
-
- if (offsetof(DBEvent,blob)+dbeOld.cbBlob > memsize) {
- memsize = offsetof(DBEvent,blob)+dbeOld.cbBlob;
- memblock = (DBEvent*)realloc(memblock, memsize);
- }
- dbeNew=memblock;
-
- if(ReadSegment(ofsThisEvent,dbeNew,offsetof(DBEvent,blob)+dbeOld.cbBlob)!=ERROR_SUCCESS) {
- FinishUp(ofsDestPrevEvent,dbc);
- return ERROR_NO_MORE_ITEMS;
- }
-
- if ((dbeNew->ofsModuleName=ConvertModuleNameOfs(dbeOld.ofsModuleName))==0) {
- ofsThisEvent=dbeOld.ofsNext;
- return ERROR_SUCCESS;
- }
-
- if (!firstTime && dbeOld.ofsPrev!=ofsPrevEvent)
- AddToStatus(STATUS_WARNING,TranslateT("Event not backlinked correctly: fixing"));
-
- dbeNew->flags=dbeOld.flags;
- dbeNew->ofsPrev=ofsDestPrevEvent;
- dbeNew->ofsNext=0;
-
- if ( dbeOld.eventType == EVENTTYPE_MESSAGE && opts.bConvertUtf )
- ConvertOldEvent(dbeNew);
-
- if ( dbePrev )
- {
- if ( dbePrev->cbBlob == dbeNew->cbBlob &&
- dbePrev->ofsModuleName == dbeNew->ofsModuleName &&
- dbePrev->eventType == dbeNew->eventType &&
- (dbePrev->flags & DBEF_SENT) == (dbeNew->flags & DBEF_SENT) &&
- !memcmp( dbePrev->blob, dbeNew->blob, dbeNew->cbBlob )
- ) {
- AddToStatus(STATUS_WARNING,TranslateT("Duplicate event was found: skipping"));
- if (dbc->eventCount)
- dbc->eventCount--;
- free(dbePrev);
- // ofsDestPrevEvent is still the same!
- ofsPrevEvent=ofsThisEvent;
- ofsThisEvent=dbeOld.ofsNext;
- return ERROR_SUCCESS;
- }
- free(dbePrev);
- }
- else if ( !firstTime && dbeNew->timestamp < lastTimestamp )
- {
- DWORD found = 0;
- DBEvent dbeTmp;
- DWORD ofsTmp;
-
- if (opts.bCheckOnly)
- {
- if (!opts.bAggressive)
- {
- ofsTmp = dbeOld.ofsPrev;
- while(PeekSegment(ofsTmp,&dbeTmp,sizeof(dbeTmp))==ERROR_SUCCESS)
- {
- if (dbeTmp.ofsPrev == ofsContact) {
- found = 1;
- break;
- }
- if (dbeTmp.timestamp < dbeNew->timestamp) {
- found = 2;
- break;
- }
- ofsTmp = dbeTmp.ofsPrev;
- }
- }
- AddToStatus(STATUS_WARNING,TranslateT("Event position in chain is not correct"));
- }
- else
- {
- ofsTmp = ofsDestPrevEvent;
- while(ReadWrittenSegment(ofsTmp,&dbeTmp,sizeof(dbeTmp))==ERROR_SUCCESS)
- {
- if (dbeTmp.ofsPrev == ofsContact) {
- found = 1;
- break;
- }
- if (dbeTmp.timestamp < dbeNew->timestamp) {
- found = 2;
- break;
- }
- ofsTmp = dbeTmp.ofsPrev;
- }
- if (found)
- AddToStatus(STATUS_WARNING,TranslateT("Event position in chain is not correct: fixing"));
- else
- AddToStatus(STATUS_WARNING,TranslateT("Event position in chain is not correct: unable to fix"));
- }
-
- // insert before FIRST
- if (found == 1 && !opts.bCheckOnly) {
- dbeNew->flags|=DBEF_FIRST;
- dbeNew->ofsPrev=ofsContact;
- dbeNew->ofsNext=dbc->ofsFirstEvent;
-
- ofsDestThis = WriteEvent(dbeNew);
- if ( !ofsDestThis )
- return ERROR_HANDLE_DISK_FULL;
-
- if ( isUnread && timestampFirstUnread >= dbeNew->timestamp ) {
- ofsFirstUnread=ofsDestThis;
- timestampFirstUnread=dbeNew->timestamp;
- }
- // fix first event
- WriteOfsNextToPrevious(0,dbc,ofsDestThis);
- // fix next event
- WriteSegment(dbeNew->ofsNext+offsetof(DBEvent,ofsPrev),&ofsDestThis,sizeof(DWORD));
- dbeTmp.flags &=~DBEF_FIRST;
- WriteSegment(dbeNew->ofsNext+offsetof(DBEvent,flags),&dbeTmp.flags,sizeof(DWORD));
- }
- else if (found == 2 && !opts.bCheckOnly) {
-
- dbeNew->ofsPrev=ofsTmp;
- dbeNew->ofsNext=dbeTmp.ofsNext;
-
- ofsDestThis = WriteEvent(dbeNew);
- if ( !ofsDestThis )
- return ERROR_HANDLE_DISK_FULL;
-
- if ( isUnread && timestampFirstUnread >= dbeNew->timestamp ) {
- ofsFirstUnread=ofsDestThis;
- timestampFirstUnread=dbeNew->timestamp;
- }
- // fix previous event
- WriteOfsNextToPrevious(dbeNew->ofsPrev,dbc,ofsDestThis);
- // fix next event
- WriteSegment(dbeNew->ofsNext+offsetof(DBEvent,ofsPrev),&ofsDestThis,sizeof(DWORD));
- }
-
- if (found) {
- eventCount++;
- // ofsDestPrevEvent is still the same!
- ofsPrevEvent=ofsThisEvent;
- ofsThisEvent=dbeOld.ofsNext;
- return ERROR_SUCCESS;
- }
- }
-
- lastTimestamp=dbeNew->timestamp;
- dbePrevEvent = dbeNew;
-
- ofsDestThis = WriteEvent(dbeNew);
- if ( !ofsDestThis )
- return ERROR_HANDLE_DISK_FULL;
-
- if ( isUnread ) {
- ofsFirstUnread=ofsDestThis;
- timestampFirstUnread=dbeOld.timestamp;
- }
-
- eventCount++;
- WriteOfsNextToPrevious(ofsDestPrevEvent,dbc,ofsDestThis);
-
- ofsDestPrevEvent=ofsDestThis;
- ofsPrevEvent=ofsThisEvent;
- ofsThisEvent=dbeOld.ofsNext;
- return ERROR_SUCCESS;
-}
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