/// <summary>
/// Pack message using temporaty packedBytes, returns new byte array of final result
/// </summary>
/// <param name="packedBytes"></param>
/// <returns></returns>
protected byte[] Pack(byte[] packedBytes)
{
int index = 0;
// if there is ISOMessage Header try pack it
if (m_isoHeaderPackager != null && m_isoHeader != null)
{
//start packing the message after the header position
index = m_isoHeader.Length();
}
// pack the isoMessage - is without message header
m_isoMesssagePackager.Pack(m_isoMessageFields, packedBytes, ref index);
// if there is ISOMessage Header try pack it
if (m_isoHeaderPackager != null && m_isoHeader != null)
{
// set total message legnth in header
m_isoHeader.SetMessageLength(index);
// pack the isoHeader of the isoMessage
int headerIndex = 0;
m_isoHeaderPackager.Pack(m_isoHeader, packedBytes, ref headerIndex);
}
return(packedBytes.AsSpan(0, index).ToArray());
}
/// <summary>
///
/// </summary>
/// <param name="isoHeader"></param>
/// <param name="packedBytes"></param>
/// <param name="index"></param>
public override void Pack(ISOHeader isoHeader, byte[] packedBytes, ref int index)
{
ISOHeaderVisa visaHeader = (ISOHeaderVisa)isoHeader;
ISOUtils.Hex2Bytes(isoHeader.Length().ToString("X2"), packedBytes, ref index);
ISOUtils.Hex2Bytes(visaHeader.h02_HeaderFlagAndFormat, packedBytes, ref index);
ISOUtils.Hex2Bytes(visaHeader.h03_TextFormat, packedBytes, ref index);
ISOUtils.Hex2Bytes(visaHeader.h04_TotalMessageLength, packedBytes, ref index);
ISOUtils.Ascii2Bcd(visaHeader.h05_DestinationStationId, packedBytes, ref index, ISOFieldPadding.LEFT);
ISOUtils.Ascii2Bcd(visaHeader.h06_SourceStationId, packedBytes, ref index, ISOFieldPadding.LEFT);
ISOUtils.Hex2Bytes(visaHeader.h07_RoundTripControlInformation, packedBytes, ref index);
ISOUtils.Hex2Bytes(visaHeader.h08_BaseIFlag, packedBytes, ref index);
ISOUtils.Hex2Bytes(visaHeader.h09_MessageStatusFlag, packedBytes, ref index);
ISOUtils.Hex2Bytes(visaHeader.h10_BatchNumber, packedBytes, ref index);
ISOUtils.Hex2Bytes(visaHeader.h11_Reserved, packedBytes, ref index);
ISOUtils.Hex2Bytes(visaHeader.h12_UserInformation, packedBytes, ref index);
}