/// <summary>
/// The function commands the retreival of the station list from an addressee. If a mission code
/// is provided, only the stations of that mission are returned. By default, all the station list
/// from the database are returned.
/// </summary>
/// <param name="sessionId">Identifier for the session.</param>
/// <param name="missionCode">The mission code.</param>
/// <param name="elementId">Identifier for the element.</param>
/// <returns>
/// The code “request accepted” when the command is valid and the list of stations for the given
/// mission code/element id, or and error code when the command is rejected.
/// </returns>
RealTimeRetrieveStationListResult IRealTimeService.RetrieveStationList(Guid sessionId, string missionCode, string elementId)
{
var result = new RealTimeRetrieveStationListResult();
result.RequestId = Guid.Empty;
result.ResultCode = RealTimeServiceErrorEnum.ErrorInvalidSessionId;
result.MissionCode = missionCode;
result.ElementID = elementId;
result.StationList = null;
if (_sessionManager.IsSessionValid(sessionId))
{
string error = _sessionManager.GenerateRequestID(sessionId, out result.RequestId);
if (string.IsNullOrEmpty(error))
{
AvailableElementData elementData;
T2GManagerErrorEnum rqstResult = _t2gManager.GetAvailableElementDataByElementNumber(elementId, out elementData);
switch (rqstResult)
{
case T2GManagerErrorEnum.eSuccess:
{
try
{
GetStationListFromLMTDataBase(missionCode, elementId, elementData, ref result);
}
catch (TimeoutException)
{
result.ResultCode = RealTimeServiceErrorEnum.ErrorRemoteDatastoreUnavailable;
}
catch (CommunicationException)
{
result.ResultCode = RealTimeServiceErrorEnum.ErrorRemoteDatastoreUnavailable;
}
}
break;
case T2GManagerErrorEnum.eT2GServerOffline:
result.ResultCode = RealTimeServiceErrorEnum.T2GServerOffline;
break;
case T2GManagerErrorEnum.eElementNotFound:
default:
result.ResultCode = RealTimeServiceErrorEnum.ErrorInvalidElementId;
break;
}
}
else
{
result.ResultCode = RealTimeServiceErrorEnum.ErrorRequestIdGeneration;
}
}
else
{
result.ResultCode = RealTimeServiceErrorEnum.ErrorInvalidSessionId;
}
return(result);
}
/// <summary>Gets station list from lmt data base.</summary>
/// <param name="missionCode">The mission code.</param>
/// <param name="elementId">Identifier for the element.</param>
/// <param name="elementData">Information describing the element.</param>
/// <param name="result">[in,out] The result.</param>
public static void GetStationListFromLMTDataBase(string missionCode, string elementId, AvailableElementData elementData, ref RealTimeRetrieveStationListResult result)
{
if (_instanceCreator == null)
{
throw new InvalidOperationException("The method GetStationListFromLMTDataBase cannot be invoked when no valid instance of Realtime service exist.");
}
_instanceCreator.PerformGetStationListFromLMTDataBase(missionCode, elementId, elementData, ref result);
}
/// <summary>
/// Performs the get station list from LMT data base.
/// </summary>
/// <param name="missionCode">The mission code.</param>
/// <param name="elementId">Identifier for the element.</param>
/// <param name="elementData">Information describing the element.</param>
/// <param name="result">[in, out] The result.</param>
protected virtual void PerformGetStationListFromLMTDataBase(string missionCode, string elementId, AvailableElementData elementData, ref RealTimeRetrieveStationListResult result)
{
if (result == null)
{
result = new RealTimeRetrieveStationListResult();
result.ResultCode = RealTimeServiceErrorEnum.RequestAccepted;
}
if (elementData.PisBaselineData != null)
{
if (!string.IsNullOrEmpty(elementData.PisBaselineData.CurrentVersionLmtOut))
{
string lmtVersion = elementData.PisBaselineData.CurrentVersionLmtOut;
using (var remoteDataStore = _remoteDataStoreFactory.GetRemoteDataStoreInstance() as RemoteDataStoreProxy)
{
if (remoteDataStore != null)
{
if (remoteDataStore.checkIfDataPackageExists("LMT", lmtVersion))
{
var openPackageResult = remoteDataStore.openLocalDataPackage(
"LMT",
lmtVersion,
string.Empty);
if (openPackageResult.Status == OpenDataPackageStatusEnum.COMPLETED)
{
string lmtDatabaseFilePath = FindLmtDatabaseFilePath(openPackageResult.LocalPackagePath);
if (!string.IsNullOrEmpty(lmtDatabaseFilePath))
{
using (var lmtDatabaseAccessor = new LmtDatabaseAccessor(lmtDatabaseFilePath, _platformType))
{
result.ResultCode = RealTimeServiceErrorEnum.RequestAccepted;
result.StationList = new List <string>();
if (string.IsNullOrEmpty(missionCode))
{
foreach (var station in lmtDatabaseAccessor.GetStationList())
{
if (!result.StationList.Contains(station.OperatorCode))
{
result.StationList.Add(station.OperatorCode);
}
}
}
else
{
uint?missionId = lmtDatabaseAccessor.GetMissionInternalCodeFromOperatorCode(missionCode);
if (missionId != null)
{
List <uint> missionRoute = lmtDatabaseAccessor.GetMissionRoute((uint)missionId);
foreach (uint stationId in missionRoute)
{
result.StationList.Add(lmtDatabaseAccessor.GetStationOperatorCodeFromInternalCode(stationId));
}
}
else
{
result.ResultCode = RealTimeServiceErrorEnum.ErrorInvalidMissionCode;
}
}
if (result.ResultCode == RealTimeServiceErrorEnum.RequestAccepted &&
result.StationList.Count == 0)
{
result.ResultCode = RealTimeServiceErrorEnum.InfoNoDataForElement;
}
}
}
else
{
result.ResultCode = RealTimeServiceErrorEnum.ErrorRemoteDatastoreUnavailable;
LogManager.WriteLog(TraceType.ERROR, string.Format(CultureInfo.CurrentCulture, Logs.ERROR_RETRIEVESTATIONLIST_LMT_DB_NOT_FOUND, lmtVersion, elementId), "PIS.Ground.RealTime.RealTimeService.RetrieveStationList", null, EventIdEnum.RealTime);
}
}
else
{
result.ResultCode = RealTimeServiceErrorEnum.ErrorRemoteDatastoreUnavailable;
LogManager.WriteLog(TraceType.ERROR, string.Format(CultureInfo.CurrentCulture, Logs.ERROR_RETRIEVESTATIONLIST_CANT_OPEN_PACKAGE, lmtVersion, elementId), "PIS.Ground.RealTime.RealTimeService.RetrieveStationList", null, EventIdEnum.RealTime);
}
}
else
{
result.ResultCode = RealTimeServiceErrorEnum.ErrorRemoteDatastoreUnavailable;
LogManager.WriteLog(TraceType.ERROR, string.Format(CultureInfo.CurrentCulture, Logs.ERROR_RETRIEVESTATIONLIST_UNKNOWN_EMBEDDED_LMT, lmtVersion), "PIS.Ground.RealTime.RealTimeService.RetrieveStationList", null, EventIdEnum.RealTime);
}
}
else
{
result.ResultCode = RealTimeServiceErrorEnum.ErrorRemoteDatastoreUnavailable;
LogManager.WriteLog(TraceType.ERROR, string.Format(CultureInfo.CurrentCulture, Logs.ERROR_UNKNOWN), "PIS.Ground.RealTime.RealTimeService.RetrieveStationList", null, EventIdEnum.RealTime);
}
}
}
else
{
result.ResultCode = RealTimeServiceErrorEnum.InfoNoDataForElement;
}
}
}
/// <summary>Process the station data sending.</summary>
/// <param name="elementId">Identifier for the element.</param>
/// <param name="stationCodeList">List of station codes.</param>
private static void ProcessStationDataSending(string elementId, KeyValuePair <string, List <string> > stationCodeList)
{
List <RealTimeStationStatusType> stationDataList = _rtpisDataStore.GetStationRealTimeInformation(stationCodeList.Key, stationCodeList.Value);
if (stationDataList == null)
{
stationDataList = new List <RealTimeStationStatusType>();
}
if (stationDataList.Count == 0)
{
RealTimeRetrieveStationListResult result = new RealTimeRetrieveStationListResult();
AvailableElementData elementData = null;
T2GManagerErrorEnum t2gTmpResult = _t2gManager.GetAvailableElementDataByElementNumber(elementId, out elementData);
if (t2gTmpResult == T2GManagerErrorEnum.eSuccess)
{
RealTimeService.GetStationListFromLMTDataBase(stationCodeList.Key, elementId, elementData, ref result);
if (result.ResultCode == RealTimeServiceErrorEnum.RequestAccepted)
{
stationDataList.Capacity = result.StationList.Count;
foreach (var station in result.StationList)
{
stationDataList.Add(new RealTimeStationStatusType()
{
StationID = station
});
}
}
else
{
LogManager.WriteLog(TraceType.ERROR, string.Format(CultureInfo.CurrentCulture, Logs.ERROR_ACCESSING_STATIONLIST_FOR_ELEMENT, elementId, "GetStationListFromLMTDataBase", result.ResultCode), "PIS.Ground.RealTime.RealTimeService.ProcessStationDataSending", null, EventIdEnum.RealTime);
}
}
else
{
LogManager.WriteLog(TraceType.ERROR, string.Format(CultureInfo.CurrentCulture, Logs.ERROR_ACCESSING_STATIONLIST_FOR_ELEMENT, elementId, "GetAvailableElementDataByElementNumber", t2gTmpResult), "PIS.Ground.RealTime.RealTimeService.ProcessStationDataSending", null, EventIdEnum.RealTime);
}
}
// Updating the train is important only when the data of at least one station need to be updated.
if (stationDataList.Count != 0)
{
ServiceInfo serviceInfo = null;
T2GManagerErrorEnum t2gResult = _t2gManager.GetAvailableServiceData(elementId, (int)eServiceID.eSrvSIF_RealTimeServer, out serviceInfo);
if (t2gResult == T2GManagerErrorEnum.eSuccess)
{
string endpoint = "http://" + serviceInfo.ServiceIPAddress + ":" + serviceInfo.ServicePortNumber;
try
{
// Call RealTime train service and send the request.
using (Train.RealTime.RealTimeTrainServiceClient lTrainClient = new Train.RealTime.RealTimeTrainServiceClient("RealTimeTrainEndpoint", endpoint))
{
try
{
Train.RealTime.ListOfStationDataType stationDataListType = null;
RealTimeUtils.ConvertGroundStationDataToTrainStationData(
stationDataList,
out stationDataListType);
Train.RealTime.SetStationRealTimeRequest request = new Train.RealTime.SetStationRealTimeRequest(stationCodeList.Key, stationDataListType);
Train.RealTime.SetStationRealTimeResponse response = ((Train.RealTime.IRealTimeTrainService)lTrainClient).SetStationRealTime(request);
ProcessCommandResultList(elementId, stationCodeList.Key, response.ResultList);
}
catch (Exception ex)
{
LogManager.WriteLog(TraceType.EXCEPTION, string.Format(CultureInfo.CurrentCulture, Logs.ERROR_FAILED_SEND_REQUEST_TO_EMBEDDED, elementId), "PIS.Ground.RealTime.RealTimeService.ProcessStationDataSending", ex, EventIdEnum.RealTime);
}
finally
{
if (lTrainClient.State == CommunicationState.Faulted)
{
lTrainClient.Abort();
}
}
}
}
catch (Exception ex)
{
LogManager.WriteLog(TraceType.EXCEPTION, string.Format(CultureInfo.CurrentCulture, Logs.ERROR_FAILED_SEND_REQUEST_TO_EMBEDDED, elementId), "PIS.Ground.RealTime.RealTimeService.ProcessStationDataSending", ex, EventIdEnum.RealTime);
}
}
else if (t2gResult == T2GManagerErrorEnum.eElementNotFound)
{
LogManager.WriteLog(TraceType.WARNING, string.Format(CultureInfo.CurrentCulture, Logs.ERROR_GET_SERVICE_DATA_FOR_ELEMENT, elementId, t2gResult), "PIS.Ground.RealTime.RealTimeService.ProcessStationDataSending", null, EventIdEnum.RealTime);
}
else if (LogManager.IsTraceActive(TraceType.DEBUG))
{
LogManager.WriteLog(TraceType.DEBUG, string.Format(CultureInfo.CurrentCulture, Logs.DEBUG_GET_SERVICE_DATA_FOR_ELEMENT, elementId, t2gResult), "PIS.Ground.RealTime.RealTimeService.ProcessStationDataSending", null, EventIdEnum.RealTime);
}
}
}
