/// <summary>
/// Convert message to raw udp data
/// </summary>
/// <returns>Raw udp data</returns>
public byte[] Write()
{
try
{
Log.Info("{0} Write,{2}{1}{2}", nameof(MndpMessage), this.ToString(), Environment.NewLine);
var tlvMessage = new TlvMessage()
{
Type = this.Type,
Ttl = this.Ttl,
Sequence = this.Sequence
};
var enc = Encoding.GetEncoding(28591);
for (ushort i = 0; i <= 16; i++)
{
switch (i)
{
case TLV_TYPE_MAC_ADDRESS:
tlvMessage.Items.Add(new Tlv(i, PhysicalAddress.Parse(this.MacAddress).GetAddressBytes()));
break;
case TLV_TYPE_IDENTITY:
tlvMessage.Items.Add(new Tlv(i, this.Identity, enc));
break;
case TLV_TYPE_VERSION:
tlvMessage.Items.Add(new Tlv(i, this.Version, enc));
break;
case TLV_TYPE_PLATFORM:
tlvMessage.Items.Add(new Tlv(i, this.Platform, enc));
break;
case TLV_TYPE_UPTIME:
tlvMessage.Items.Add(new Tlv(i, (uint)this.Uptime.TotalSeconds));
break;
case TLV_TYPE_SOFTWAREID:
tlvMessage.Items.Add(new Tlv(i, this.SoftwareId, enc));
break;
case TLV_TYPE_BOARD_NAME:
tlvMessage.Items.Add(new Tlv(i, this.BoardName, enc));
break;
case TLV_TYPE_UNPACK:
tlvMessage.Items.Add(new Tlv(i, new byte[] { this.Unpack }));
break;
case TLV_TYPE_INTERFACE_NAME:
tlvMessage.Items.Add(new Tlv(i, this.InterfaceName, enc));
break;
case TLV_TYPE_IPV6:
if (this.UnicastIPv6Address != null)
{
tlvMessage.Items.Add(new Tlv(i, IPAddress.Parse(this.UnicastIPv6Address).GetAddressBytes()));
}
break;
default: break;
}
}
bool ok = tlvMessage.Write(out byte[] data);
if (!ok)
{
return(null);
}
return(data);
}
catch (Exception ex)
{
Log.Exception(nameof(MndpMessage), nameof(Write), ex);
}
return(null);
}
/// <summary>
/// Parse from raw udp data bytes
/// </summary>
/// <param name="data">raw udp data</param>
/// <returns>Parse is sucess?</returns>
public bool Read(byte[] data)
{
try
{
var tlvMessage = new TlvMessage();
bool ok = tlvMessage.Read(data);
if (!ok)
{
return(false);
}
var enc = Encoding.GetEncoding(28591);
this.Type = tlvMessage.Type;
this.Ttl = tlvMessage.Ttl;
this.Sequence = tlvMessage.Sequence;
foreach (var i in tlvMessage.Items)
{
switch (i.Type)
{
case TLV_TYPE_MAC_ADDRESS:
this.MacAddress = new PhysicalAddress(i.Value).ToString();
break;
case TLV_TYPE_IDENTITY:
this.Identity = enc.GetString(i.Value);
break;
case TLV_TYPE_VERSION:
this.Version = enc.GetString(i.Value);
break;
case TLV_TYPE_PLATFORM:
this.Platform = enc.GetString(i.Value);
break;
case TLV_TYPE_UPTIME:
this.Uptime = TimeSpan.FromSeconds(BitConverter.ToUInt32(i.Value, 0));
break;
case TLV_TYPE_SOFTWAREID:
this.SoftwareId = enc.GetString(i.Value);
break;
case TLV_TYPE_BOARD_NAME:
this.BoardName = enc.GetString(i.Value);
break;
case TLV_TYPE_UNPACK:
this.Unpack = i.Value[0];
break;
case TLV_TYPE_INTERFACE_NAME:
this.InterfaceName = enc.GetString(i.Value);
break;
case TLV_TYPE_IPV6:
this.UnicastIPv6Address = new IPAddress(i.Value).ToString();
break;
default: break;
}
}
Log.Info("{0} Read,{2}{1}{2}", nameof(MndpMessage), this.ToString(), Environment.NewLine);
return(true);
}
catch (Exception ex)
{
Log.Exception(nameof(MndpMessage), nameof(Read), ex);
}
return(false);
}
