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using System.Text;
using Hik.Communication.Scs.Communication.Messages;
using Hik.Communication.Scs.Communication.Protocols.BinarySerialization;
namespace CommonLib
{
/// <summary>
/// This class is a sample custom wire protocol to use as wire protocol in SCS framework.
/// It extends BinarySerializationProtocol.
/// It is used just to send/receive ScsTextMessage messages.
///
/// Since BinarySerializationProtocol automatically writes message length to the beggining
/// of the message, a message format of this class is:
///
/// [Message length (4 bytes)][UTF-8 encoded text (N bytes)]
///
/// So, total length of the message = (N + 4) bytes;
/// </summary>
public class MyWireProtocol : BinarySerializationProtocol
{
protected override byte[] SerializeMessage(IScsMessage message)
{
return Encoding.UTF8.GetBytes(((ScsTextMessage)message).Text);
}
protected override IScsMessage DeserializeMessage(byte[] bytes)
{
//Decode UTF8 encoded text and create a ScsTextMessage object
return new ScsTextMessage(Encoding.UTF8.GetString(bytes));
}
}
}
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