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kpilot/lib/pilotSerialDatabase.cc

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10 KiB

/* KPilot
**
** Copyright (C) 1998-2001 by Dan Pilone
** Copyright (C) 2003-2004 Reinhold Kainhofer <reinhold@kainhofer.com>
**
** Databases approached through DLP / Pilot-link look different,
** so this file defines an API for them.
*/
/*
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU Lesser General Public License as published by
** the Free Software Foundation; either version 2.1 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 Lesser General Public License for more details.
**
** You should have received a copy of the GNU Lesser General Public License
** along with this program in a file called COPYING; if not, write to
** the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
** MA 02110-1301, USA.
*/
/*
** Bug reports and questions can be sent to kde-pim@kde.org
*/
#include "options.h"
#include <time.h>
#include <iostream>
#include <pi-dlp.h>
#include <tqfile.h>
#include <klocale.h>
#include <kdebug.h>
#include <kglobal.h>
#include "pilotRecord.h"
#include "pilotSerialDatabase.h"
#include "kpilotdevicelink.h"
PilotSerialDatabase::PilotSerialDatabase(KPilotDeviceLink *l,
const TQString &dbName) :
PilotDatabase(dbName),
fDBName( dbName ),
fDBHandle(-1),
fDBSocket(l->pilotSocket())
{
FUNCTIONSETUP;
openDatabase();
}
PilotSerialDatabase::PilotSerialDatabase( KPilotDeviceLink *l, const DBInfo *info ) :
PilotDatabase( info ? Pilot::fromPilot( info->name ) : TQString::null ),
fDBName( TQString::null ),
fDBHandle( -1 ),
fDBSocket( l->pilotSocket() )
{
// Rather unclear why both the base class and this one have separate names.
fDBName = name();
setDBOpen(false);
if (fDBName.isEmpty() || !info)
{
WARNINGKPILOT << "Bad database name requested." << endl;
return;
}
int db;
if (dlp_OpenDB(fDBSocket, 0, dlpOpenReadWrite, info->name, &db) < 0)
{
WARNINGKPILOT << "Cannot open database on handheld." << endl;
return;
}
setDBHandle(db);
setDBOpen(true);
}
PilotSerialDatabase::~PilotSerialDatabase()
{
FUNCTIONSETUP;
closeDatabase();
}
TQString PilotSerialDatabase::dbPathName() const
{
TQString s = CSL1("Pilot:");
s.append(fDBName);
return s;
}
// Reads the application block info
int PilotSerialDatabase::readAppBlock(unsigned char *buffer, int maxLen)
{
FUNCTIONSETUP;
if (!isOpen())
{
WARNINGKPILOT << "DB not open" << endl;
return -1;
}
pi_buffer_t *buf = pi_buffer_new(maxLen);
int r = dlp_ReadAppBlock(fDBSocket, getDBHandle(), 0 /* offset */, maxLen, buf);
if (r>=0)
{
memcpy(buffer, buf->data, KMAX(maxLen, r));
}
pi_buffer_free(buf);
return r;
}
// Writes the application block info.
int PilotSerialDatabase::writeAppBlock(unsigned char *buffer, int len)
{
FUNCTIONSETUP;
if (!isOpen())
{
WARNINGKPILOT << "DB not open" << endl;
return -1;
}
return dlp_WriteAppBlock(fDBSocket, getDBHandle(), buffer, len);
}
// returns the number of records in the database
unsigned int PilotSerialDatabase::recordCount() const
{
int idlen;
// dlp_ReadOpenDBInfo returns the number of bytes read and sets idlen to the # of recs
if (isOpen() && dlp_ReadOpenDBInfo(fDBSocket, getDBHandle(), &idlen)>0)
{
return idlen;
}
else
{
return 0;
}
}
// Returns a TQValueList of all record ids in the database.
TQValueList<recordid_t> PilotSerialDatabase::idList()
{
TQValueList<recordid_t> idlist;
int idlen=recordCount();
if (idlen<=0) return idlist;
recordid_t *idarr=new recordid_t[idlen];
int idlenread;
int r = dlp_ReadRecordIDList (fDBSocket, getDBHandle(), 0, 0, idlen, idarr, &idlenread);
if ( (r<0) || (idlenread<1) )
{
WARNINGKPILOT << "Failed to read ID list from database." << endl;
return idlist;
}
// now create the QValue list from the idarr:
for (idlen=0; idlen<idlenread; idlen++)
{
idlist.append(idarr[idlen]);
}
delete[] idarr;
return idlist;
}
// Reads a record from database by id, returns record length
PilotRecord *PilotSerialDatabase::readRecordById(recordid_t id)
{
FUNCTIONSETUPL(3);
int index, attr, category;
if (!isOpen())
{
WARNINGKPILOT << "DB not open" << endl;
return 0L;
}
if (id>0xFFFFFF)
{
WARNINGKPILOT << "Encountered an invalid record id "
<< id << endl;
return 0L;
}
pi_buffer_t *b = pi_buffer_new(InitialBufferSize);
if (dlp_ReadRecordById(fDBSocket,getDBHandle(),id,b,&index,&attr,&category) >= 0)
{
return new PilotRecord(b, attr, category, id);
}
return 0L;
}
// Reads a record from database, returns the record length
PilotRecord *PilotSerialDatabase::readRecordByIndex(int index)
{
FUNCTIONSETUPL(3);
if (!isOpen())
{
WARNINGKPILOT << "DB not open" << endl;
return 0L;
}
int attr, category;
recordid_t id;
PilotRecord *rec = 0L;
pi_buffer_t *b = pi_buffer_new(InitialBufferSize);
if (dlp_ReadRecordByIndex(fDBSocket, getDBHandle(), index,
b, &id, &attr, &category) >= 0)
{
rec = new PilotRecord(b, attr, category, id);
}
return rec;
}
// Reads the next record from database in category 'category'
PilotRecord *PilotSerialDatabase::readNextRecInCategory(int category)
{
FUNCTIONSETUP;
int index, attr;
recordid_t id;
if (!isOpen())
{
WARNINGKPILOT << "DB not open" << endl;
return 0L;
}
pi_buffer_t *b = pi_buffer_new(InitialBufferSize);
if (dlp_ReadNextRecInCategory(fDBSocket, getDBHandle(),
category,b,&id,&index,&attr) >= 0)
return new PilotRecord(b, attr, category, id);
return 0L;
}
// Reads the next record from database that has the dirty flag set.
PilotRecord *PilotSerialDatabase::readNextModifiedRec(int *ind)
{
FUNCTIONSETUP;
int index, attr, category;
recordid_t id;
if (!isOpen())
{
WARNINGKPILOT << "DB not open" << endl;
return 0L;
}
pi_buffer_t *b = pi_buffer_new(InitialBufferSize);
if (dlp_ReadNextModifiedRec(fDBSocket, getDBHandle(), b, &id, &index, &attr, &category) >= 0)
{
if (ind) *ind=index;
return new PilotRecord(b, attr, category, id);
}
return 0L;
}
// Writes a new record to database (if 'id' == 0 or id>0xFFFFFF, one will be assigned and returned in 'newid')
recordid_t PilotSerialDatabase::writeRecord(PilotRecord * newRecord)
{
FUNCTIONSETUP;
recordid_t newid;
int success;
if (!isOpen())
{
WARNINGKPILOT << "DB not open" << endl;
return 0;
}
// Do some sanity checking to prevent invalid UniqueIDs from being written
// to the handheld (RecordIDs are only 3 bytes!!!). Under normal conditions
// this check should never yield true, so write out an error to indicate
// someone messed up full time...
if (newRecord->id()>0xFFFFFF)
{
WARNINGKPILOT << "Encountered an invalid record id "
<< newRecord->id() << ", resetting it to zero." << endl;
newRecord->setID(0);
}
success =
dlp_WriteRecord(fDBSocket, getDBHandle(),
newRecord->attributes(), newRecord->id(),
newRecord->category(), newRecord->data(),
newRecord->size(), &newid);
if ( (newRecord->id() != newid) && (newid!=0) )
newRecord->setID(newid);
return newid;
}
// Deletes a record with the given recordid_t from the database, or all records, if all is set to true. The recordid_t will be ignored in this case
int PilotSerialDatabase::deleteRecord(recordid_t id, bool all)
{
FUNCTIONSETUP;
if (!isOpen())
{
WARNINGKPILOT <<"DB not open"<<endl;
return -1;
}
return dlp_DeleteRecord(fDBSocket, getDBHandle(), all?1:0, id);
}
// Resets all records in the database to not dirty.
int PilotSerialDatabase::resetSyncFlags()
{
FUNCTIONSETUP;
if (!isOpen())
{
WARNINGKPILOT << "DB not open" << endl;
return -1;
}
return dlp_ResetSyncFlags(fDBSocket, getDBHandle());
}
// Resets next record index to beginning
int PilotSerialDatabase::resetDBIndex()
{
FUNCTIONSETUP;
if (!isOpen())
{
WARNINGKPILOT << "DB not open" << endl;
return -1;
}
return dlp_ResetDBIndex(fDBSocket, getDBHandle());
}
// Purges all Archived/Deleted records from Palm Pilot database
int PilotSerialDatabase::cleanup()
{
FUNCTIONSETUP;
if (!isOpen())
{
WARNINGKPILOT << "DB not open" << endl;
return -1;
}
return dlp_CleanUpDatabase(fDBSocket, getDBHandle());
}
void PilotSerialDatabase::openDatabase()
{
FUNCTIONSETUP;
int db;
setDBOpen(false);
TQString s = getDBName();
if (s.isEmpty())
{
WARNINGKPILOT << "Bad DB name, " << s << " string given." << endl;
return;
}
TQCString encodedName = TQFile::encodeName(s);
if (encodedName.isEmpty())
{
WARNINGKPILOT << "Bad DB name, "
<< (encodedName.isNull() ? "null" : "empty")
<< " string given."
<< endl;
return;
}
char encodedNameBuffer[PATH_MAX];
strlcpy(encodedNameBuffer,(const char *)encodedName,PATH_MAX);
DEBUGKPILOT << fname << ": opening database: ["
<< encodedNameBuffer << "]" << endl;
if (dlp_OpenDB(fDBSocket, 0, dlpOpenReadWrite,
encodedNameBuffer, &db) < 0)
{
WARNINGKPILOT << "Cannot open database on handheld." << endl;
return;
}
setDBHandle(db);
setDBOpen(true);
}
bool PilotSerialDatabase::createDatabase(long creator, long type, int cardno, int flags, int version)
{
FUNCTIONSETUP;
int db;
// if the database is already open, we cannot create it again. How about completely resetting it? (i.e. deleting it and the createing it again)
if (isOpen()) return true;
// The latin1 seems ok, database names are latin1.
int res=dlp_CreateDB(fDBSocket,
creator, type, cardno, flags, version,
Pilot::toPilot(getDBName()), &db);
if (res<0) {
WARNINGKPILOT << "Cannot create database " << getDBName() << " on the handheld" << endl;
return false;
}
// TODO: Do I have to open it explicitly???
setDBHandle(db);
setDBOpen(true);
return true;
}
void PilotSerialDatabase::closeDatabase()
{
FUNCTIONSETUP;
if (!isOpen() )
{
return;
}
DEBUGKPILOT << fname << ": Closing DB handle #" << getDBHandle() << endl;
dlp_CloseDB(fDBSocket, getDBHandle());
DEBUGKPILOT << fname << ": after closing" << endl;
setDBOpen(false);
}
int PilotSerialDatabase::deleteDatabase()
{
FUNCTIONSETUP;
if (isOpen()) closeDatabase();
return dlp_DeleteDB(fDBSocket, 0, Pilot::toPilot(fDBName));
}
/* virtual */ PilotDatabase::DBType PilotSerialDatabase::dbType() const
{
return eSerialDB;
}