bool ServiceMonTask::task_start()
{
LOGTRACE(LOGINFO,"Enter ServiceMonTask::task_start.\n");
BuildFilter();
m_iStarttime = NS_GetTickCount();
LOGTRACE(LOGINFO,"Leave ServiceMonTask::task_start.\n");
return true ;
}
OGRErr OGRPLScenesLayer::SetAttributeFilter( const char *pszQuery )
{
if( pszQuery == NULL )
osQuery = "";
else
osQuery = pszQuery;
nFeatureCount = -1;
poGeoJSONLayer = NULL;
OGRErr eErr = OGRLayer::SetAttributeFilter(pszQuery);
osFilterURLPart = "";
bFilterMustBeClientSideEvaluated = FALSE;
if( m_poAttrQuery != NULL )
{
swq_expr_node* poNode = (swq_expr_node*) m_poAttrQuery->GetSWQExpr();
poNode->ReplaceBetweenByGEAndLERecurse();
if( poNode->eNodeType == SNT_OPERATION &&
poNode->nOperation == SWQ_EQ && poNode->nSubExprCount == 2 &&
poNode->papoSubExpr[0]->eNodeType == SNT_COLUMN &&
poNode->papoSubExpr[0]->field_index == poFeatureDefn->GetFieldIndex("id") &&
poNode->papoSubExpr[1]->eNodeType == SNT_CONSTANT &&
poNode->papoSubExpr[1]->field_type == SWQ_STRING )
{
osFilterURLPart = poNode->papoSubExpr[1]->string_value;
}
else
{
CPLString osFilter = BuildFilter(poNode);
if( osFilter.size() )
{
osFilterURLPart = "&";
osFilterURLPart += osFilter;
}
}
}
ResetReading();
return eErr;
}
EGwsStatus CGwsPreparedFeatureQuery::Execute (
const GWSFeatureId & featid,
IGWSFeatureIterator ** results
)
{
FdoPtr<FdoFilter> filter;
EGwsStatus stat = eGwsOk;
try {
eGwsOkThrow (BuildFilter (featid, filter.p));
return Execute (filter, results);
} catch (EGwsStatus es) {
PushStatus (es);
stat = es;
}
return stat;
}
EGwsStatus CGwsPreparedFeatureQuery::Execute (
const GwsFeaturesIdVector & featids,
int lBound,
int uBound,
IGWSFeatureIterator ** results,
bool bScrollable
)
{
FdoPtr<FdoFilter> filter;
EGwsStatus stat = eGwsOk;
try {
eGwsOkThrow (BuildFilter (featids, lBound, uBound, filter.p));
return Execute (filter, results, bScrollable);
} catch (EGwsStatus es) {
PushStatus (es);
stat = es;
}
return stat;
}
CPLString OGRPLScenesLayer::BuildFilter(swq_expr_node* poNode)
{
if( poNode->eNodeType == SNT_OPERATION )
{
if( poNode->nOperation == SWQ_AND && poNode->nSubExprCount == 2 )
{
// For AND, we can deal with a failure in one of the branch
// since client-side will do that extra filtering
CPLString osFilter1 = BuildFilter(poNode->papoSubExpr[0]);
CPLString osFilter2 = BuildFilter(poNode->papoSubExpr[1]);
if( osFilter1.size() && osFilter2.size() )
return osFilter1 + "&" + osFilter2;
else if( osFilter1.size() )
return osFilter1;
else
return osFilter2;
}
else if( (poNode->nOperation == SWQ_EQ ||
poNode->nOperation == SWQ_NE ||
poNode->nOperation == SWQ_LT ||
poNode->nOperation == SWQ_LE ||
poNode->nOperation == SWQ_GT ||
poNode->nOperation == SWQ_GE) && poNode->nSubExprCount == 2 &&
poNode->papoSubExpr[0]->eNodeType == SNT_COLUMN &&
poNode->papoSubExpr[1]->eNodeType == SNT_CONSTANT &&
poNode->papoSubExpr[0]->field_index != poFeatureDefn->GetFieldIndex("id") &&
poNode->papoSubExpr[0]->field_index < poFeatureDefn->GetFieldCount() )
{
OGRFieldDefn *poFieldDefn;
poFieldDefn = poFeatureDefn->GetFieldDefn(poNode->papoSubExpr[0]->field_index);
CPLString osFilter(poFieldDefn->GetNameRef());
int bDateTimeParsed = FALSE;
int nYear = 0, nMonth = 0, nDay = 0, nHour = 0, nMinute = 0, nSecond = 0;
if( poNode->papoSubExpr[1]->field_type == SWQ_TIMESTAMP )
{
if( sscanf(poNode->papoSubExpr[1]->string_value,"%04d/%02d/%02d %02d:%02d:%02d",
&nYear, &nMonth, &nDay, &nHour, &nMinute, &nSecond) >= 3 ||
sscanf(poNode->papoSubExpr[1]->string_value,"%04d-%02d-%02dT%02d:%02d:%02d",
&nYear, &nMonth, &nDay, &nHour, &nMinute, &nSecond) >= 3 )
bDateTimeParsed = TRUE;
}
osFilter += ".";
if( poNode->nOperation == SWQ_EQ )
{
if( bDateTimeParsed )
osFilter += "gte";
else
osFilter += "eq";
}
else if( poNode->nOperation == SWQ_NE )
osFilter += "neq";
else if( poNode->nOperation == SWQ_LT )
osFilter += "lt";
else if( poNode->nOperation == SWQ_LE )
osFilter += "lte";
else if( poNode->nOperation == SWQ_GT )
osFilter += "gt";
else if( poNode->nOperation == SWQ_GE )
osFilter += "gte";
osFilter += "=";
if (poNode->papoSubExpr[1]->field_type == SWQ_FLOAT)
osFilter += CPLSPrintf("%.8f", poNode->papoSubExpr[1]->float_value);
else if (poNode->papoSubExpr[1]->field_type == SWQ_INTEGER)
osFilter += CPLSPrintf(CPL_FRMT_GIB, poNode->papoSubExpr[1]->int_value);
else if (poNode->papoSubExpr[1]->field_type == SWQ_STRING)
osFilter += poNode->papoSubExpr[1]->string_value;
else if (poNode->papoSubExpr[1]->field_type == SWQ_TIMESTAMP)
{
if( bDateTimeParsed )
{
osFilter += CPLSPrintf("%04d-%02d-%02dT%02d:%02d:%02d",
nYear, nMonth, nDay, nHour, nMinute, nSecond);
if( poNode->nOperation == SWQ_EQ )
{
osFilter += "&";
osFilter += poFieldDefn->GetNameRef();
osFilter += ".lt=";
nSecond ++;
if( nSecond == 60 ) { nSecond = 0; nMinute ++; }
if( nMinute == 60 ) { nMinute = 0; nHour ++; }
if( nHour == 24 ) { nHour = 0; nDay ++; }
osFilter += CPLSPrintf("%04d-%02d-%02dT%02d:%02d:%02d",
nYear, nMonth, nDay, nHour, nMinute, nSecond);
}
}
else
osFilter += poNode->papoSubExpr[1]->string_value;
}
return osFilter;
}
}
if( !bFilterMustBeClientSideEvaluated )
{
bFilterMustBeClientSideEvaluated = TRUE;
CPLDebug("PLSCENES",
"Part or full filter will have to be evaluated on client side.");
}
return "";
}
CPLString OGRPLScenesLayer::BuildFilter(swq_expr_node* poNode)
{
if( poNode->eNodeType == SNT_OPERATION )
{
if( poNode->nOperation == SWQ_AND && poNode->nSubExprCount == 2 )
{
// For AND, we can deal with a failure in one of the branch
// since client-side will do that extra filtering
CPLString osFilter1 = BuildFilter(poNode->papoSubExpr[0]);
CPLString osFilter2 = BuildFilter(poNode->papoSubExpr[1]);
if( osFilter1.size() && osFilter2.size() )
return osFilter1 + "&" + osFilter2;
else if( osFilter1.size() )
return osFilter1;
else
return osFilter2;
}
else if( (poNode->nOperation == SWQ_EQ ||
poNode->nOperation == SWQ_NE ||
poNode->nOperation == SWQ_LT ||
poNode->nOperation == SWQ_LE ||
poNode->nOperation == SWQ_GT ||
poNode->nOperation == SWQ_GE) && poNode->nSubExprCount == 2 &&
poNode->papoSubExpr[0]->eNodeType == SNT_COLUMN &&
poNode->papoSubExpr[1]->eNodeType == SNT_CONSTANT &&
poNode->papoSubExpr[0]->field_index != poFeatureDefn->GetFieldIndex("id") &&
poNode->papoSubExpr[0]->field_index < poFeatureDefn->GetFieldCount() )
{
OGRFieldDefn *poFieldDefn =
poFeatureDefn->GetFieldDefn(poNode->papoSubExpr[0]->field_index);
int nOperation = poNode->nOperation;
// image_quality supports only gte filters
// (https://www.planet.com/docs-v0/v0/scenes/planetscope/#metadata)
if( poNode->papoSubExpr[0]->field_index ==
poFeatureDefn->GetFieldIndex("image_statistics.image_quality") &&
nOperation != SWQ_GE )
{
// == target can be safely turned as >= target
if( poNode->nOperation == SWQ_EQ &&
poNode->papoSubExpr[1]->field_type == SWQ_STRING &&
strcmp(poNode->papoSubExpr[1]->string_value, "target") == 0 )
{
nOperation = SWQ_GE;
}
else
{
if( !bFilterMustBeClientSideEvaluated )
{
bFilterMustBeClientSideEvaluated = true;
CPLDebug("PLSCENES",
"Part or full filter will have to be "
"evaluated on client side.");
}
return "";
}
}
CPLString osFilter(poFieldDefn->GetNameRef());
bool bDateTimeParsed = false;
int nYear = 0;
int nMonth = 0;
int nDay = 0;
int nHour = 0;
int nMinute = 0;
int nSecond = 0;
if( poNode->papoSubExpr[1]->field_type == SWQ_TIMESTAMP )
{
if( sscanf(poNode->papoSubExpr[1]->string_value,"%04d/%02d/%02d %02d:%02d:%02d",
&nYear, &nMonth, &nDay, &nHour, &nMinute, &nSecond) >= 3 ||
sscanf(poNode->papoSubExpr[1]->string_value,"%04d-%02d-%02dT%02d:%02d:%02d",
&nYear, &nMonth, &nDay, &nHour, &nMinute, &nSecond) >= 3 )
bDateTimeParsed = true;
}
osFilter += ".";
if( nOperation == SWQ_EQ )
{
if( bDateTimeParsed )
osFilter += "gte";
else
osFilter += "eq";
}
else if( nOperation == SWQ_NE )
osFilter += "neq";
else if( nOperation == SWQ_LT )
osFilter += "lt";
else if( nOperation == SWQ_LE )
osFilter += "lte";
else if( nOperation == SWQ_GT )
osFilter += "gt";
else if( nOperation == SWQ_GE )
osFilter += "gte";
osFilter += "=";
if (poNode->papoSubExpr[1]->field_type == SWQ_FLOAT)
osFilter += CPLSPrintf("%.8f", poNode->papoSubExpr[1]->float_value);
else if (poNode->papoSubExpr[1]->field_type == SWQ_INTEGER)
osFilter += CPLSPrintf(CPL_FRMT_GIB, poNode->papoSubExpr[1]->int_value);
else if (poNode->papoSubExpr[1]->field_type == SWQ_STRING)
osFilter += poNode->papoSubExpr[1]->string_value;
else if (poNode->papoSubExpr[1]->field_type == SWQ_TIMESTAMP)
{
if( bDateTimeParsed )
{
osFilter += CPLSPrintf("%04d-%02d-%02dT%02d:%02d:%02d",
nYear, nMonth, nDay, nHour, nMinute, nSecond);
if( nOperation == SWQ_EQ )
{
osFilter += "&";
osFilter += poFieldDefn->GetNameRef();
osFilter += ".lt=";
nSecond ++;
if( nSecond == 60 ) { nSecond = 0; nMinute ++; }
if( nMinute == 60 ) { nMinute = 0; nHour ++; }
if( nHour == 24 ) { nHour = 0; nDay ++; }
osFilter += CPLSPrintf("%04d-%02d-%02dT%02d:%02d:%02d",
nYear, nMonth, nDay, nHour, nMinute, nSecond);
}
}
else
osFilter += poNode->papoSubExpr[1]->string_value;
}
return osFilter;
}
}
if( !bFilterMustBeClientSideEvaluated )
{
bFilterMustBeClientSideEvaluated = true;
CPLDebug("PLSCENES",
"Part or full filter will have to be evaluated on client side.");
}
return "";
}
bool ServiceMonTask::task_process(const U16 pid,U8 const* buffer, U32 size)
{
bool bRet = false;
//LOGTRACE(LOGINFO, "ServiceMonTask::task_process pid %d size %d\n",pid,size);
if(PAT_PID == pid)
{
switch(on_pat_got(buffer,size))
{
case 1:
// 通知PMT PID改变,更新数据库
OnEventOccur(m_stService,PMT_PID_CHANGE);
// 向下执行.监测新的PMT PID
case 0:
if(0 != m_pTSFilter[1]){
m_pTSFilter[1]->stop_search();
delete m_pTSFilter[1];
m_pTSFilter[1] = 0;
}
m_bSwitchPMTMon = true;
BuildFilter();
break;
case -1:
default:
break;
}
}
else if(SDT_PID == pid || BAT_PID == pid) //SDT,BAT
{
if(TableId_SdtA == buffer[0] )
{
// 传递回新的DVBService,通知 频道名 改变
if(on_sdt_got(buffer,size))
OnEventOccur(m_stService,SERVICE_NAME_CHANGE);
}
/*
else if(TableId_Bat == buffer[0])
{
//通知BAT信息改变
if(on_bat_got(buffer,size))
OnEventOccur(m_stService,BAT_CHANGE);
}
*/
}
else if(pid == GetPMTId())
{
if(on_pmt_got(buffer, size))
{
// 传递回新的DVBService,通知新AV PID改变
OnEventOccur(m_stService,AV_PID_CHANGE);
}
}
else if(pid == NIT_PID)
{
if(TableId_NitA == buffer[0] && on_nit_got(buffer, size))
{
UpdateVersions();
OnEventOccur(m_stService,NIT_CHANGE);
}
}
else if(pid == CAT_PID)
{
if((TableId_Cat == buffer[0]) && on_cat_got(buffer,size))
{
OnEventOccur(m_stService,AV_PID_CHANGE);
}
}
return bRet;
}
