/// <summary>
/// Receive
/// </summary>
/// <param name="toSend"></param>
/// <returns></returns>
private static byte[] ReceiveFromServerBytes(byte[] toSend)
{
if (CrossConnectivity.Current.IsConnected)
{
byte[] data = ServerConnector.SendByteArray(toSend);
return(data);
}
else
{
return(new byte[0]);
}
}
/// <summary>
/// Receive an OperationReturnMessage from the server after sending a server request.
/// </summary>
/// <param name="toSend">The data to send to server.</param>
/// <returns>The OperationReturnMessage returned by the server after data has been received
/// and processed by the server.</returns>
private static OperationReturnMessage ReceiveFromServerORM(byte[] toSend)
{
if (CrossConnectivity.Current.IsConnected)
{
byte[] data = ServerConnector.SendByteArray(toSend);
if (data.Length > 0)
{
OperationReturnMessage message = (OperationReturnMessage)(data[0]);
return(message);
}
else
{
return(OperationReturnMessage.FalseFailedConnection);
}
}
else
{
return(OperationReturnMessage.FalseNoConnection);
}
}
/// <summary>
/// Receive string data from the server after sending a server request.
/// </summary>
/// <param name="toSend">The data to send to server.</param>
/// <returns>The string the server returns.</returns>
private static string ReceiveFromServerStringData(byte[] toSend)
{
if (CrossConnectivity.Current.IsConnected)
{
byte[] data = ServerConnector.SendByteArray(toSend);
if (data.Length > 0)
{
string dataString = Encoding.Unicode.GetString(data);
dataString = dataString.Trim();
return(dataString);
}
else
{
return(null);
}
}
else
{
return("");
}
}
/// <summary>
/// Receive list of string arrays from the server after sending a server request.
/// </summary>
/// <param name="toSend">The data to send to server.</param>
/// <returns>The list of string arrays the server returns.</returns>
private static List <string[]> ReceiveFromServerListOfStringArrays(byte[] toSend)
{
if (CrossConnectivity.Current.IsConnected)
{
byte[] data = ServerConnector.SendByteArray(toSend);
if (data.Length > 0)
{
BinaryFormatter binaryFormatter = new BinaryFormatter();
MemoryStream memStream = new MemoryStream();
memStream.Write(data, 0, data.Length);
memStream.Position = 0;
return(binaryFormatter.Deserialize(memStream) as List <string[]>);
}
else
{
return(new List <string[]>(0));
}
}
else
{
return(new List <string[]>(0));
}
}
