bool DVBevents::shortEventDesc( unsigned char *buf, EventDesc *desc )
{
QString name, text;
int len, len2;
ShortEvent *ev;
if ( !safeLen( buf+6 ) )
return false;
len = getBits(buf,40,8);
if ( !safeLen( buf+6+len ) )
return false;
name = getText( buf+6, len );
if ( !safeLen( buf+6+len+1 ) )
return false;
len2 = getBits(buf+6+len,0,8);
if ( !safeLen( buf+7+len+len2 ) )
return false;
text = getText( buf+7+len, len2);
if ( desc->title.isEmpty() ) {
desc->title=name;
desc->subtitle=text;
return true;
}
desc->shortEvents.append( new ShortEvent() );
ev = desc->shortEvents.getLast();
ev->name = name;
ev->text = text;
return true;
}
bool DVBevents::extEventDesc( unsigned char *buf, EventDesc *desc )
{
int loop, len1, len2;
unsigned char *b = buf;
QString s;
if ( !safeLen( b+7 ) )
return false;
loop = getBits(b+6,0,8);
b +=7;
while ( loop>0 ) {
if ( !safeLen( b+1 ) )
return false;
len1 = getBits(b,0,8);
if ( !safeLen( b+1+len1 ) )
return false;
s = getText(b+1,len1);
if ( !safeLen( b+1+len1+1 ) )
return false;
len2 = getBits(b+1+len1,0,8);
if ( !safeLen( buf+2+len1+len2 ) )
return false;
if ( !s.isEmpty() )
s = s+" : ";
s = s+getText(b+2+len1,len2);
desc->extEvents.append( new QString( s ) );
b +=(2+len1+len2);
loop -=(2+len1+len2);
}
if ( !safeLen( b+1 ) )
return false;
len1 = getBits(b,0,8);
if ( !safeLen( b+1+len1 ) )
return false;
s = getText(b+1,len1);
desc->extEvents.append( new QString( s ) );
return true;
}
static isc_result_t
odbc_connect(odbc_instance_t *dbi, odbc_db_t **dbc) {
odbc_db_t *ndb = *dbc;
SQLRETURN sqlRes;
isc_result_t result = ISC_R_SUCCESS;
if (ndb != NULL) {
/*
* if db != null, we have to do some cleanup
* if statement handle != null free it
*/
if (ndb->stmnt != NULL) {
SQLFreeHandle(SQL_HANDLE_STMT, ndb->stmnt);
ndb->stmnt = NULL;
}
/* if connection handle != null free it */
if (ndb->dbc != NULL) {
SQLFreeHandle(SQL_HANDLE_DBC, ndb->dbc);
ndb->dbc = NULL;
}
} else {
ndb = isc_mem_allocate(ns_g_mctx, sizeof(odbc_db_t));
if (ndb == NULL) {
isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
DNS_LOGMODULE_DLZ, ISC_LOG_ERROR,
"Odbc driver unable to allocate memory");
return ISC_R_NOMEMORY;
}
memset(ndb, 0, sizeof(odbc_db_t));
}
sqlRes = SQLAllocHandle(SQL_HANDLE_DBC, dbi->sql_env, &(ndb->dbc));
if (!sqlOK(sqlRes)) {
isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
DNS_LOGMODULE_DLZ, ISC_LOG_ERROR,
"Odbc driver unable to allocate memory");
result = ISC_R_NOMEMORY;
goto cleanup;
}
sqlRes = SQLConnect(ndb->dbc, dbi->dsn, safeLen(dbi->dsn), dbi->user,
safeLen(dbi->user), dbi->pass, safeLen(dbi->pass));
if (!sqlOK(sqlRes)) {
isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
DNS_LOGMODULE_DLZ, ISC_LOG_ERROR,
"Odbc driver unable to connect");
result = ISC_R_FAILURE;
goto cleanup;
}
sqlRes = SQLAllocHandle(SQL_HANDLE_STMT, ndb->dbc, &(ndb->stmnt));
if (!sqlOK(sqlRes)) {
isc_log_write(dns_lctx, DNS_LOGCATEGORY_DATABASE,
DNS_LOGMODULE_DLZ, ISC_LOG_ERROR,
"Odbc driver unable to allocate memory");
result = ISC_R_NOMEMORY;
goto cleanup;
}
*dbc = ndb;
return ISC_R_SUCCESS;
cleanup:
if (ndb != NULL) {
/* if statement handle != null free it */
if (ndb->stmnt != NULL) {
SQLFreeHandle(SQL_HANDLE_STMT, ndb->stmnt);
ndb->stmnt = NULL;
}
/* if connection handle != null free it */
if (ndb->dbc != NULL) {
SQLDisconnect(ndb->dbc);
SQLFreeHandle(SQL_HANDLE_DBC, ndb->dbc);
ndb->dbc = NULL;
}
/* free memory holding ndb */
isc_mem_free(ns_g_mctx, ndb);
}
return result;
}
bool DVBevents::tableEIT( unsigned char* buffer )
{
unsigned char* buf = buffer;
unsigned int length, loop, sid, tid, eid, tsid, sn, lsn, nid;
int i, sec;
EventDesc *desc=0, *itdesc=0;
EventSid *slist;
QPtrList<EventDesc> *currentEvents;
bool nodesc, parse;
QDateTime start, cur, dt;
unsigned int cdt = QDateTime::currentDateTime().toTime_t();
tid = getBits(buf,0,8);
length = getBits(buf,12,12);
sid = getBits(buf,24,16);
sn = getBits(buf,48,8);
lsn = getBits(buf,56,8);
tsid = getBits(buf,64,16);
nid = getBits(buf,80,16);
length -=11;
buf +=14;
slist = currentSrc->getEventSid( nid, tsid, sid );
if ( !slist )
return false;
slist->lock();
currentEvents = slist->getEvents();
QPtrListIterator<EventDesc> it( *currentEvents );
while ( length>4 ) {
nodesc=parse=false;
if ( !safeLen( buf+2 ) )
goto stop;
eid = getBits(buf,0,16);
if ( !safeLen( buf+2+5 ) )
goto stop;
start = getDateTime( buf+2 );
nodesc=parse=true;
it.toFirst();
while ( (desc=it.current())!=0 ) {
if ( desc->sid==sid ) {
if ( desc->startDateTime==start || desc->eid==eid ) {
if ( desc->tid==0x4e && tid!=0x4e ) {
parse = false;
nodesc = false;
break;
}
else {
nodesc = false;
if ( (cdt-desc->loop)<300 ) { // only reparse events every 300 seconds
parse = false;
}
else {
desc->extEvents.clear();
desc->shortEvents.clear();
desc->title=desc->subtitle="";
}
break;
}
}
}
++it;
}
if ( nodesc )
desc = new EventDesc();
if ( parse ) {
if ( !safeLen( buf+10 ) )
goto stop;
desc->duration = getTime( buf+7 );
if ( !safeLen( buf+11 ) )
goto stop;
desc->running = getBits(buf,80,3);
desc->sid = sid;
desc->tid = tid;
desc->tsid = tsid;
desc->nid = nid;
desc->lsn = lsn;
desc->sn = sn;
desc->eid = eid;
desc->loop = cdt;
}
if ( desc->sn != sn ) {
slist->unlock();
return false;
}
if ( !safeLen( buf+12 ) )
goto stop;
loop = getBits(buf,84,12);
buf +=12;
length -=(12+loop);
while ( loop>0 ) {
if ( parse ) {
if ( !safeLen( buf+1 ) )
goto stop;
switch ( getBits(buf,0,8) ) {
case 0x4D :
if ( !shortEventDesc( buf, desc ) )
goto stop;
break;
case 0x4E :
if ( !extEventDesc( buf, desc ) )
goto stop;
break;
default :
break;
}
}
if ( !safeLen( buf+2 ) )
goto stop;
loop -=( getBits(buf,8,8)+2 );
buf +=( getBits(buf,8,8)+2 );
}
//out:
if ( parse ) {
if ( !nodesc ) {
if ( start==desc->startDateTime )
goto ifend;
currentEvents->take( currentEvents->find( desc ) );
}
desc->startDateTime = start;
for ( i=0; i<(int)currentEvents->count(); i++ ) {
itdesc = currentEvents->at(i);
if ( desc->startDateTime<itdesc->startDateTime ) {
currentEvents->insert( i, desc );
break;
}
itdesc = 0;
}
if ( !itdesc )
currentEvents->append( desc );
}
ifend:
if ( parse )
++(desc->sn);
if ( nodesc ) {
cur = QDateTime::currentDateTime();
dt = desc->startDateTime;
sec = desc->duration.hour()*3600+desc->duration.minute()*60+desc->duration.second();
if ( dt.addSecs( sec )<cur || desc->title.length()<3 ) {
currentEvents->remove( desc );
}
else
desc->source = currentSrc->getSource();
}
}
slist->unlock();
return true;
stop:
slist->unlock();
fprintf( stderr, "Stop parsing EIT (%d:%d)\n", adapter, tuner );
if ( nodesc )
delete desc;
return false;
}
