/// <summary>
/// Функция сбора пакета
/// </summary>
/// <param name="lowCommand">Низкоуровневая команда</param>
/// <param name="data">Данные, усекается до 65529</param>
/// <returns></returns>
public static byte[] AssemblyRawPack(LowCommandsRequest lowCommand, params byte[] data)
{
int length = 0;
byte[] pack = null;
if (data != null)
{
int dataLength = 0;
dataLength = data.Length > 65530 ? 65530 : data.Length;
length = 2 + 1 + 1 + dataLength + 1;
pack = new byte[length];
System.Buffer.BlockCopy(data, 0, pack, 4, dataLength);
pack[pack.Length - 1] = CRC8.ComputeChecksum(4, dataLength, pack);
}
else
{
length = 2 + 1 + 1;
pack = new byte[length];
}
System.Buffer.BlockCopy(BitConverter.GetBytes(length), 0, pack, 0, 2);
pack[2] = (byte)lowCommand;
pack[3] = CRC8.ComputeChecksum(0, 3, pack);
return(pack);
}
private void SystemPacket(byte[] message)
{
LowCommandsRequest lCommand = (LowCommandsRequest)message[0];
bool crc8 = CRC8.ComputeChecksum(0, message.Length - 1, message) == message[message.Length - 1];
switch (lCommand)
{
case LowCommandsRequest.Ping:
this.Send(Protocol.AssemblyRawPack(LowCommandsRequest.Version));
break;
case LowCommandsRequest.Version:
string version = Encoding.ASCII.GetString(message, 1, message.Length - 2);
this.Send(Protocol.AssemblyRawPack(LowCommandsRequest.RunType));
break;
case LowCommandsRequest.RunType:
int runType = BitConverter.ToInt32(message, 1);
break;
default:
this.Disconnect();
break;
}
}
/// <summary>
/// Функция сбора пакета
/// </summary>
/// <param name="lowCommand">Низкоуровневая команда</param>
/// <param name="data">Данные, усекается до 65529</param>
/// <returns></returns>
private byte[] AssemblyRawPack(LowCommandsRequest lowCommand, byte[] data)
{
buffWriter.Clear();
buffWriter.WriteUInt16((ushort)(2 + 1 + 1 + (data == null ? 0 : data.Length > 65530 ? 65530 : data.Length + 1)));
buffWriter.WriteUInt8((byte)lowCommand);
buffWriter.WriteUInt8(CRC8.ComputeChecksum(0, 3, buffWriter.ReadBytes(3)));
if (data != null)
{
buffWriter.WriteBytes(data);
buffWriter.WriteUInt8(CRC8.ComputeChecksum(0, data.Length, data));
}
return(buffWriter.ToByteArray());
}
private bool SystemPacket()
{
LowCommandsRequest lCommand = (LowCommandsRequest)buffReader.ReadUInt8();
//bool crc8 = CRC8.ComputeChecksum(0, message.Length - 1, message) == message[message.Length - 1];
switch (lCommand)
{
case LowCommandsRequest.Ping:
if (!IsInitConnection)
{
return(false);
}
break;
case LowCommandsRequest.Version:
if (IsInitConnection)
{
return(false);
}
Version clientProtoVer = new Version(Encoding.ASCII.GetString(buffReader.ReadBytes((int)(buffReader.IncomingBytesUnread - 1))));
if (this.ProtoVersion != clientProtoVer)
{
return(false);
}
pingTimer.Reset();
IsInitConnection = true;
break;
case LowCommandsRequest.RunType:
int runType = buffReader.ReadInt32();
break;
default:
return(false);
}
return(true);
}
/// <summary>
/// Функция сбора пакета
/// </summary>
/// <param name="lowCommand">Низкоуровневая команда</param>
/// <returns></returns>
private byte[] AssemblyRawPack(LowCommandsRequest lowCommand)
{
return(AssemblyRawPack(lowCommand, null));
}
/// <summary>
/// Функция сбора пакета
/// </summary>
/// <param name="lowCommand">Низкоуровневая команда</param>
/// <returns></returns>
public static byte[] AssemblyRawPack(LowCommandsRequest lowCommand)
{
return(AssemblyRawPack(lowCommand, null));
}