LJPResponse ReceiveResponse(ICollection <Type> tpeNamespace, bool bThrowExceptionWithNotData = true)
{
//Receive Header
Array.Clear(receiveBuffer, 0, receiveBuffer.Length);
ClientConnector.Receive(receiveBuffer, 0, receiveBuffer.Length);
return(ConvertToLJPResponse(tpeNamespace, receiveBuffer, bThrowExceptionWithNotData));
}
private LJPResponse ConvertToLJPResponse(
ICollection <Type> tpeNamespace
, byte[] aReceiveBuffer
, bool bThrowExceptionWithNotData)
{
byte[] dinamycBufferToAllMessage = null;
try
{
LJPResponse oLJPResponse = new LJPResponse();
var indexOfHeaderAndBodySeparator = ByteHelper.IndexOf(aReceiveBuffer
, 0
, new byte[] { Convert.ToByte('\n'), Convert.ToByte('\n') });
if (indexOfHeaderAndBodySeparator == -1)
{
throw new LJPException("Bad Little Json Protocol, Expected Response Object")
{
LJPExceptionType = LJPExceptionType.BadProtocol
};
}
#region Extracting Header Of SendResponse Message
var headerBytes = new byte[indexOfHeaderAndBodySeparator];
Array.Copy(aReceiveBuffer, headerBytes, indexOfHeaderAndBodySeparator);
string headerUTF8 = Encoding.UTF8.GetString(headerBytes);
var headerUTF8Splited = headerUTF8.Split('\n');
if (headerUTF8Splited.Length < 2 || indexOfHeaderAndBodySeparator == -1)
{
throw new LJPException("Bad Little Json Protocol, Expected Response Object")
{
LJPExceptionType = LJPExceptionType.BadProtocol
};
}
#if DEBUG
logger.Debug($"Header=[{string.Join(", ", headerUTF8Splited) }]");
#endif
//Receive Total of json object
var lengthAndValueInString = headerUTF8Splited.Single(o => o.Contains("Length="));
var typeAndValueInString = headerUTF8Splited.Single(o => o.Contains("Type="));
#endregion
var lengthInString = lengthAndValueInString.Split(new char[] { '=' }, 2)[1];
var typeInString = typeAndValueInString.Split(new char[] { '=' }, 2)[1];
oLJPResponse.iLength = int.Parse(lengthInString);
try
{
Type tpePrimitive = TryToResolvePrimitivesType(typeInString);
if (nameof(LJPExceptionDTO).Equals(typeInString, StringComparison.OrdinalIgnoreCase))
{
oLJPResponse.tpeObject = reflector.GetType(typeof(LJPExceptionDTO), typeInString);
}
else if (tpePrimitive == null)
{
Type tpetryGetType = null;
foreach (var tpeNamespaceFE in tpeNamespace)
{
if (reflector.TryGetType(tpeNamespaceFE, typeInString, out tpetryGetType))
{
oLJPResponse.tpeObject = tpetryGetType;
break;
}
}
if (oLJPResponse.tpeObject == null)
{
throw new ArgumentException($"Type not found in namespaces:\n\"{string.Join(",", tpeNamespace)}\"");
}
}
else
{
oLJPResponse.tpeObject = tpePrimitive;
}
}
catch (Exception ex)
{
logger.Error(ex.ToString());
throw new LJPException($"Error: trying to get type \"{typeInString}\" in namespace \"{tpeNamespace}\".");
}
//Receive the json object part
int indexOfEndOfBody = ByteHelper.IndexOf(aReceiveBuffer, indexOfHeaderAndBodySeparator + 2, new byte[] { Convert.ToByte('\0') });
indexOfEndOfBody = indexOfEndOfBody == -1 ? aReceiveBuffer.Length : indexOfEndOfBody;
var firstExtractOfBody = new byte[indexOfEndOfBody - (indexOfHeaderAndBodySeparator + 2)];
if (firstExtractOfBody.Length > oLJPResponse.iLength)
{
throw new LJPException($"Bad body length Had={firstExtractOfBody.Length}, Expected={oLJPResponse.iLength}.");
}
Buffer.BlockCopy(aReceiveBuffer, indexOfHeaderAndBodySeparator + 2, firstExtractOfBody, 0, firstExtractOfBody.Length);
int receivedToNow = firstExtractOfBody.Length;
dinamycBufferToAllMessage = new byte[oLJPResponse.iLength];
Buffer.BlockCopy(firstExtractOfBody, 0, dinamycBufferToAllMessage, 0, receivedToNow);
//Whether there is more fragment of the object
string receivedMessageInASCII = "";
while (receivedToNow < oLJPResponse.iLength)
{
Array.Clear(aReceiveBuffer, 0, aReceiveBuffer.Length);
ClientConnector.Receive(aReceiveBuffer, 0, aReceiveBuffer.Length);
int indexOfEnd = ByteHelper.IndexOf(aReceiveBuffer, 0, nullByteInArray);
indexOfEnd = indexOfEnd == -1 ? aReceiveBuffer.Length : indexOfEnd;
indexOfEnd = Math.Min(oLJPResponse.iLength - receivedToNow, indexOfEnd);
Buffer.BlockCopy(aReceiveBuffer, 0, dinamycBufferToAllMessage, receivedToNow, indexOfEnd);
receivedToNow += indexOfEnd;
logger.Debug($"[ReceivePart={receivedMessageInASCII.Length}] [{receivedToNow}/{oLJPResponse.iLength}]");
if (indexOfEnd == 0 || indexOfEnd == -1)
{
break;
}
}
var sObject = Encoding.UTF8.GetString(dinamycBufferToAllMessage);
#if DEBUG
logger.Debug($"Received Message: [{sObject.Replace("\n", "[nl]")}]");
#endif
dynamic oObject = null;
//using (MemoryStream oMS = new())
//{
//using StreamWriter oSW = new(oMS);
//DataContractJsonSerializer oJsonSerializer = new(oLJPResponse.tpeObject);
//oSW.Write(sObject);
//oSW.Flush();
//oMS.Position = 0;
//oObject = oJsonSerializer.ReadObject(oMS);
//oLJPResponse.oObject = oObject;
//}
oObject = JsonConvert.DeserializeObject(sObject, oLJPResponse.tpeObject);
oLJPResponse.oObject = oObject;
if (oObject is LJPExceptionDTO && bThrowExceptionWithNotData)
{
var oLJPException = oObject as LJPExceptionDTO;
var nLJPEExceptionType = (LJPExceptionType)oLJPException.IClientLJPExceptionType;
var exception = new LJPException(oLJPException.Message, nLJPEExceptionType, oLJPException.Code)
{
SerializedData = oLJPException.SerializedData
};
throw exception;
}
else if (oObject is LJPExceptionDTO && !bThrowExceptionWithNotData)
{
oLJPResponse.oObject = null;
}
return(oLJPResponse);
}
finally
{
dinamycBufferToAllMessage = null;
}
}
public LJPCallReceived ReceiveCall(params string[] servicesLayers)
{
byte[] dinamycBufferToAllMessage = null;
try
{
LJPCallReceived oLJPCallResponse = new LJPCallReceived();
//Receive Header
Array.Clear(receiveBuffer, 0, receiveBuffer.Length);
ClientConnector.Receive(receiveBuffer, 0, receiveBuffer.Length);
var indexOfHeaderAndBodySeparator = ByteHelper.IndexOf(receiveBuffer
, 0
, new byte[] { Convert.ToByte('\n'), Convert.ToByte('\n') });
if (indexOfHeaderAndBodySeparator == -1)
{
throw new LJPException("Bad little json protocol, header body separator not found.")
{
LJPExceptionType = LJPExceptionType.BadProtocol
};
}
#region Parsing Raw Data Header Of SendCall Message
var headerBytes = new byte[indexOfHeaderAndBodySeparator];
Array.Copy(receiveBuffer, headerBytes, indexOfHeaderAndBodySeparator);
string headerUTF8 = Encoding.UTF8.GetString(headerBytes);
var headerUTF8Splited = headerUTF8.Split('\n');
//string message = Encoding.UTF8.GetString(this.aReceiveBuffer);
#if DEBUG
logger.Debug($"Header=[{string.Join(", ", headerUTF8Splited) }]");
#endif
var lengthLine = headerUTF8Splited.SingleOrDefault(o => o.Contains("Length="));
var commandIdLine = headerUTF8Splited.SingleOrDefault(o => o.Contains("Id="));
var stayAliveLine = headerUTF8Splited.SingleOrDefault(o => o.Contains("KeepAlive="));
var needResponseLine = headerUTF8Splited.SingleOrDefault(o => o.Contains("NeedResponse="));
var interfaceLine = headerUTF8Splited.SingleOrDefault(o => o.Contains("Interface="));
var methodLine = headerUTF8Splited.SingleOrDefault(o => o.Contains("Method="));
var versionLine = headerUTF8Splited.SingleOrDefault(o => o.Contains("Version="));
var typeLine = headerUTF8Splited.SingleOrDefault(o => o.Contains("Type="));
if (versionLine == null)
{
versionLine = "Version=0.0";
}
//If is a exception
if (typeLine != null && typeLine.Split(new char[] { '=' }, 2)[1] == nameof(LJPExceptionDTO))
{
ConvertToLJPResponse(new List <Type>()
{
typeof(LJPExceptionDTO)
}, receiveBuffer, true);
}
if (lengthLine == null ||
commandIdLine == null ||
stayAliveLine == null ||
needResponseLine == null ||
interfaceLine == null ||
methodLine == null)
{
throw new LJPException("Bad little json protocol header, all or some fields nulls.")
{
LJPExceptionType = LJPExceptionType.BadProtocol
};
}
var rawLength = lengthLine.Split(new char[] { '=' }, 2)[1];
var rawCommandId = commandIdLine.Split(new char[] { '=' }, 2)[1];
var rawStayAlive = stayAliveLine.Split(new char[] { '=' }, 2)[1];
var rawNeedResponse = needResponseLine.Split(new char[] { '=' }, 2)[1];
var rawInterface = interfaceLine.Split(new char[] { '=' }, 2)[1];
var rawMethod = methodLine.Split(new char[] { '=' }, 2)[1];
var rawVersion = versionLine.Split(new char[] { '=' }, 2)[1];
#endregion
#region Converting header types to layer types
if (!long.TryParse(rawCommandId, out long commandId))
{
oLJPCallResponse.Id = null;
}
else
{
oLJPCallResponse.Id = commandId;
}
oLJPCallResponse.iLength = int.Parse(rawLength);
oLJPCallResponse.KeepAlive = bool.Parse(rawStayAlive);
oLJPCallResponse.NeedResponse = bool.Parse(rawNeedResponse);
oLJPCallResponse.Version = rawVersion;
KeepAlive = oLJPCallResponse.KeepAlive;
Type serviceInterface = null;
Assembly ass = null;
foreach (var serviceLayer in servicesLayers)
{
if (Path.GetExtension(serviceLayer) == ".dll")
{
//ass = Assembly.LoadFrom(serviceLayer);
throw new NotImplementedException();
}
else
{
ass = Assembly.Load(new AssemblyName(serviceLayer));
}
serviceInterface = ass.GetTypes().SingleOrDefault(o => o.Name.Equals(rawInterface, StringComparison.OrdinalIgnoreCase));
if (serviceInterface != null)
{
var methodOfInterface = serviceInterface.GetTypeInfo().GetMethod(rawMethod);
if (methodOfInterface != null)
{
oLJPCallResponse.Method = methodOfInterface;
break;
}
}
}
oLJPCallResponse.Interface = serviceInterface ?? throw new LJPException($"Bad little json protocol, Interface or method not found in layers:\n\t{string.Join("\n\t", serviceInterface)}", LJPExceptionType.FormatException);
#endregion
#region Receiving the json object string part
int indexOfEndOfBody = ByteHelper.IndexOf(receiveBuffer, indexOfHeaderAndBodySeparator + 2, new byte[] { Convert.ToByte('\0') });
indexOfEndOfBody = indexOfEndOfBody == -1 ? receiveBuffer.Length : indexOfEndOfBody;
var firstExtractOfBody = new byte[indexOfEndOfBody - (indexOfHeaderAndBodySeparator + 2)];
if (firstExtractOfBody.Length > oLJPCallResponse.iLength)
{
throw new LJPException($"Bad body length Had={firstExtractOfBody.Length}, Expected={oLJPCallResponse.iLength}.");
}
Buffer.BlockCopy(receiveBuffer, indexOfHeaderAndBodySeparator + 2, firstExtractOfBody, 0, firstExtractOfBody.Length);
int receivedToNow = firstExtractOfBody.Length;
dinamycBufferToAllMessage = new byte[oLJPCallResponse.iLength];
Buffer.BlockCopy(firstExtractOfBody, 0, dinamycBufferToAllMessage, 0, receivedToNow);
//Whether there is more fragment of the object
while (receivedToNow < oLJPCallResponse.iLength)
{
Array.Clear(receiveBuffer, 0, receiveBuffer.Length);
ClientConnector.Receive(receiveBuffer, 0, receiveBuffer.Length);
int indexOfEnd = ByteHelper.IndexOf(receiveBuffer, 0, nullByteInArray);
indexOfEnd = indexOfEnd == -1 ? receiveBuffer.Length : indexOfEnd;
Buffer.BlockCopy(receiveBuffer, 0, dinamycBufferToAllMessage, receivedToNow, indexOfEnd);
receivedToNow += indexOfEnd;
if (indexOfEnd == 0 || indexOfEnd == -1)
{
break;
}
}
var sObject = Encoding.UTF8.GetString(dinamycBufferToAllMessage);
#endregion
//Converting message
var messageExtractor = factoryClientLJP.CreateMessageFactory(oLJPCallResponse.Version);
messageExtractor.Parse(oLJPCallResponse, sObject);
return(oLJPCallResponse);
}
catch (SerializationException se)
{
throw new LJPException($"Bad protocol, problem when deserialize, detail: {se.Message}", LJPExceptionType.BadProtocol);
}
}