/// <summary>
/// Upload buffer to server if connection is available.
/// </summary>
/// <returns>True if uploading was successful, and false otherwise.</returns>
public bool UploadBuffer()
{
// If network is available and buffer contains data.
if (GetBufferedRowCount() > 0)
{
if (CanPingServer())
{
bool loggingSuccessful = false;
do
{
int maxRowId = -1;
ObservationPackage package = GetBufferedObservations(out maxRowId);
if (maxRowId != -1)
{
loggingSuccessful = base.LogObservations(package);
if (loggingSuccessful)
{
ClearBuffer(maxRowId);
}
}
}while (loggingSuccessful && GetBufferedRowCount() > 0);
return(loggingSuccessful);
}
else
{
return(false);
}
}
return(true);
}
/// <summary>
/// Stores observations in observation package in buffer and tries to upload buffer to server.
/// </summary>
/// <param name="package">>Observation data of type ObservationPackage.</param>
/// <param name="uploadBuffer">True to upload buffer, False to bypass uploading.</param>
/// <returns>True if uploading or buffering of observations was successful, false otherwise.</returns>
public bool LogObservations(ObservationPackage package, bool uploadBuffer = true)
{
// Online, upload buffer and log package.
if (uploadBuffer)
{
UploadSuccess = false;
if (UploadBuffer())
{
if (base.LogObservations(package))
{
UploadSuccess = true;
return(true);
}
}
}
// Offline, store new package to buffer.
foreach (IdentifiedObservations io in package.Observations)
{
if (!Store(io.ObservationId, io.Observations))
{
return(false); // Storing to buffer failed.
}
}
return(true);
}
/// <summary>
/// Logs an observation package containing identified observations on server.
/// </summary>
/// <param name="package">Observation data of type ObservationPackage.</param>
/// <param name="notifyListeners">True notifies any listeners on this device, False just transfers data to storage without any messaging.</param>
/// <returns>True if uploading was successful, False otherwise.</returns>
public bool LogObservations(ObservationPackage package)
{
CompactObservationPackage cop = new CompactObservationPackage(package);
string body = cop.ToString();
string url = string.Format(NotifyListenersOnUpload ? _addressDeviceObservations : _addressDeviceObservationsImport, _MID);
return(PostMessage(url, body, "text/csv"));
}
