public static void OnDataReceived(IClientConnection connection, byte[] data)
{
try
{
ProtocolEncoder encoder = new ProtocolEncoder();
MediumDeserializedObject requestObject = null;
try
{
requestObject = ProtocolSerializer.Deserialize(data);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
string controlCommand = encoder.Decode(requestObject.ControlCommand);
IList <ArraySegment <byte> > serializedResponse = null;
Type requestType = _availableRequests.GetRequestType(controlCommand);
if (requestType != null)
{
try
{
Type protocolRequestInterface = requestType.GetInterfaces().FirstOrDefault(x => typeof(IProtocolRequest <IProtocolResponse>).IsAssignableFrom(x));
Type responseType = protocolRequestInterface.GenericTypeArguments[0];
serializedResponse = (IList <ArraySegment <byte> >)_executeMethod.MakeGenericMethod(requestType, responseType).Invoke(null, new object[] { requestObject.Body });
}
catch
{
serializedResponse = SerializeResponse(new ErrorResponse
{
Code = 500,
Message = "Internal server error."
});
}
}
else
{
serializedResponse = SerializeResponse(new ErrorResponse
{
Code = 400,
Message = "Unsupported request."
});
}
connection.Send(serializedResponse);
}
catch (Exception e)
{
Console.WriteLine(e.Message);
}
}
private static IList <ArraySegment <byte> > SerializeResponse <TResponse>(TResponse protocolResponse)
where TResponse : IProtocolResponse, new()
{
ProtocolEncoder encoder = new ProtocolEncoder();
MessageHeadersDictionary responseHeaders = new MessageHeadersDictionary();
byte[] identifier = encoder.Encode(protocolResponse.GetIdentifier());
byte[] headers = ProtocolMessageHeaderSerializer.Serialize(responseHeaders);
byte[] serializedBody = ProtocolBodySerializer.Serialize(protocolResponse);
return(ProtocolSerializer.Serialize(identifier, headers, serializedBody));
}
/// <summary>
/// 解码缓存字节为协议包
/// </summary>
private void Decode()
{
var package = ProtocolEncoder.Decode(_processBuffer.ToArray());
AsyncCleanBuffer(package);
if (!package.Finalized)
{
return;
}
package.ClientSource = ClientSource;
package.SetupProtocolData();
OnClientDecoded(package.ProtocolData);
EncodingManager.RunBuinessHandler(package);
}
/// <summary>
/// 设备认证
/// </summary>
/// <param name="buffer"></param>
/// <returns></returns>
public static AuthResult DeviceAuthcation(byte[] buffer)
{
var package = ProtocolEncoder.Decode(buffer, ProtocolInfoManager.AllProtocols);
if (!package.Finalized)
{
return(new AuthResult(AuthResultType.DecodedFailed, package));
}
var device = GetAuthedDevice(package);
return(device == null
? new AuthResult(AuthResultType.DeviceNotRegisted, package)
: new AuthResult(AuthResultType.Success, package, device, package.NeedReply));
}
/// <summary>
/// 身份验证
/// </summary>
private IProtocolPackage Authentication()
{
var result = AuthenticationService.DeviceAuthcation(_processBuffer.ToArray());
if (result.ResultType == AuthResultType.Success)
{
ClientDevice = result.AuthDevice;
ReceiverName = $"{ClientDevice.DeviceCode} - {ClientDevice.Id.ToString().ToUpper()}";
_protocolEncoder = new ProtocolEncoder(ClientDevice);
_authStatus = AuthenticationStatus.Authed;
if (result.NeedReply)
{
Send(result.ReplyBytes);
}
OnClientAuthentication();
}
else if (result.ResultType == AuthResultType.DeviceNotRegisted || result.ResultType == AuthResultType.DecodedFailed)
{
_authStatus = AuthenticationStatus.AuthFailed;
}
return(result.Package);
}