public static async Task <ApiResponseData> HandleRequestAsync(ContentType?contentType, CQRSRequestData data)
{
if (!String.IsNullOrWhiteSpace(data.ProviderType))
{
if (contentType == null)
{
return(null);
}
var response = await Call(data);
if (response.Stream != null)
{
return(new ApiResponseData(response.Stream));
}
else if (response.Model != null)
{
var bytes = ContentTypeSerializer.Serialize(contentType.Value, response.Model);
return(new ApiResponseData(bytes));
}
else
{
return(new ApiResponseData(Array.Empty <byte>()));
}
}
else if (!String.IsNullOrWhiteSpace(data.MessageType))
{
await Dispatch(data);
return(new ApiResponseData());
}
return(null);
}
protected override TReturn CallInternal <TReturn>(bool isStream, Type interfaceType, string methodName, object[] arguments)
{
var data = new CQRSRequestData()
{
ProviderType = interfaceType.Name,
ProviderMethod = methodName
};
data.AddProviderArguments(arguments);
switch (networkType)
{
case NetworkType.Internal:
data.AddClaims();
break;
case NetworkType.Api:
break;
default: throw new NotImplementedException();
}
var stopwatch = Stopwatch.StartNew();
var client = new TcpClient(endpoint.AddressFamily);
var bufferOwner = BufferArrayPool <byte> .Rent(TcpRawCommon.BufferLength);
var buffer = bufferOwner.AsMemory();
Stream stream = null;
Stream requestBodyStream = null;
FinalBlockStream requestBodyCryptoStream = null;
Stream responseBodyStream = null;
try
{
client.Connect(endpoint.Address, endpoint.Port);
stream = client.GetStream();
//Request Header
var requestHeaderLength = TcpRawCommon.BufferHeader(buffer, data.ProviderType, contentType);
#if NETSTANDARD2_0
stream.Write(bufferOwner, 0, requestHeaderLength);
#else
stream.Write(buffer.Span.Slice(0, requestHeaderLength));
#endif
requestBodyStream = new TcpRawProtocolBodyStream(stream, null, true);
if (encryptionKey != null)
{
requestBodyCryptoStream = SymmetricEncryptor.Encrypt(encryptionAlgorithm, encryptionKey, requestBodyStream, true, true);
ContentTypeSerializer.Serialize(contentType, requestBodyCryptoStream, data);
requestBodyCryptoStream.FlushFinalBlock();
requestBodyCryptoStream.Dispose();
requestBodyCryptoStream = null;
}
else
{
ContentTypeSerializer.Serialize(contentType, requestBodyStream, data);
requestBodyStream.Flush();
}
requestBodyStream.Dispose();
requestBodyStream = null;
//Response Header
var headerPosition = 0;
var headerLength = 0;
var requestHeaderEnd = false;
while (!requestHeaderEnd)
{
if (headerLength == buffer.Length)
{
throw new Exception($"{nameof(TcpRawCQRSClient)} Header Too Long");
}
#if NETSTANDARD2_0
var bytesRead = stream.Read(bufferOwner, headerPosition, buffer.Length - headerPosition);
#else
var bytesRead = stream.Read(buffer.Span.Slice(headerPosition, buffer.Length - headerPosition));
#endif
if (bytesRead == 0)
{
throw new EndOfStreamException();
}
headerLength += bytesRead;
requestHeaderEnd = TcpRawCommon.ReadToHeaderEnd(buffer, ref headerPosition, headerLength);
}
var responseHeader = TcpRawCommon.ReadHeader(buffer, headerPosition, headerLength);
responseBodyStream = new TcpRawProtocolBodyStream(stream, responseHeader.BodyStartBuffer, false);
if (encryptionKey != null)
{
responseBodyStream = SymmetricEncryptor.Decrypt(encryptionAlgorithm, encryptionKey, responseBodyStream, false, false);
}
if (responseHeader.IsError)
{
var responseException = ContentTypeSerializer.DeserializeException(contentType, responseBodyStream);
throw responseException;
}
stopwatch.Stop();
_ = Log.TraceAsync($"{nameof(TcpRawCQRSClient)} Query: {interfaceType.GetNiceName()}.{data.ProviderMethod} {stopwatch.ElapsedMilliseconds}");
if (isStream)
{
return((TReturn)(object)responseBodyStream); //TODO better way to convert type???
}
else
{
var model = ContentTypeSerializer.Deserialize <TReturn>(contentType, responseBodyStream);
responseBodyStream.Dispose();
client.Dispose();
return(model);
}
}
catch
{
try
{
//crypto stream can error, we want to throw the actual error
if (responseBodyStream != null)
{
responseBodyStream.Dispose();
}
}
catch { }
if (requestBodyStream != null)
{
requestBodyStream.Dispose();
}
if (requestBodyCryptoStream != null)
{
requestBodyCryptoStream.Dispose();
}
if (stream != null)
{
stream.Dispose();
}
client.Dispose();
throw;
}
finally
{
BufferArrayPool <byte> .Return(bufferOwner);
}
}
private TReturn Request <TReturn>(string address, string providerType, ContentType contentType, object data, bool getResponseData)
{
HttpWebRequest request = WebRequest.CreateHttp(address);
request.Method = "POST";
switch (contentType)
{
case ContentType.Bytes:
request.ContentType = "application/octet-stream";
break;
case ContentType.Json:
request.ContentType = "application/json; charset=utf-8";
break;
case ContentType.JsonNameless:
request.ContentType = "application/jsonnameless; charset=utf-8";
break;
}
request.Accept = request.ContentType;
request.Timeout = Timeout.Infinite;
if (!String.IsNullOrWhiteSpace(providerType))
{
request.Headers.Add("Provider-Type", providerType);
}
CookieContainer cookieContainer = new CookieContainer();
if (cookies != null)
{
cookieContainer.Add(cookies);
}
request.CookieContainer = cookieContainer;
request.SendChunked = true;
using (var postStream = request.GetRequestStream())
{
ContentTypeSerializer.Serialize(contentType, postStream, data);
}
try
{
var response = (HttpWebResponse)request.GetResponse();
if (getResponseData)
{
using (Stream stream = response.GetResponseStream())
{
var result = ContentTypeSerializer.Deserialize <TReturn>(contentType, stream);
return(result);
}
}
response.Close();
response.Dispose();
}
catch (WebException ex)
{
if (ex.Response != null)
{
Exception innerException;
using (Stream exStream = ex.Response.GetResponseStream())
{
innerException = ContentTypeSerializer.DeserializeException(contentType, exStream);
}
ex.Response.Close();
ex.Response.Dispose();
throw innerException;
}
throw;
}
this.cookies = GetCookiesFromContainer(cookieContainer);
return(default);
protected override TReturn CallInternal <TReturn>(bool isStream, Type interfaceType, string methodName, object[] arguments)
{
var data = new CQRSRequestData()
{
ProviderType = interfaceType.Name,
ProviderMethod = methodName
};
data.AddProviderArguments(arguments);
HttpAuthHeaders authHeaders = null;
switch (networkType)
{
case NetworkType.Internal:
data.AddClaims();
break;
case NetworkType.Api:
if (apiAuthorizer != null)
{
authHeaders = apiAuthorizer.BuildAuthHeaders();
}
break;
default:
throw new NotImplementedException();
}
var stopwatch = Stopwatch.StartNew();
var client = new TcpClient(endpoint.AddressFamily);
client.NoDelay = true;
var bufferOwner = BufferArrayPool <byte> .Rent(HttpCommon.BufferLength);
var buffer = bufferOwner.AsMemory();
Stream stream = null;
Stream requestBodyStream = null;
Stream responseBodyStream = null;
try
{
client.Connect(endpoint.Address, endpoint.Port);
stream = client.GetStream();
//Request Header
var requestHeaderLength = HttpCommon.BufferHeader(buffer, data.ProviderType, contentType, serviceUrl, authHeaders);
#if NETSTANDARD2_0
stream.Write(bufferOwner, 0, requestHeaderLength);
#else
stream.Write(buffer.Span.Slice(0, requestHeaderLength));
#endif
requestBodyStream = new HttpProtocolBodyStream(null, stream, null, true);
ContentTypeSerializer.Serialize(contentType, requestBodyStream, data);
requestBodyStream.Flush();
requestBodyStream.Dispose();
requestBodyStream = null;
//Response Header
var headerPosition = 0;
var headerLength = 0;
var headerEnd = false;
while (!headerEnd)
{
if (headerLength == buffer.Length)
{
throw new Exception($"{nameof(HttpCQRSClient)} Header Too Long");
}
#if NETSTANDARD2_0
var bytesRead = stream.Read(bufferOwner, headerPosition, buffer.Length - headerPosition);
#else
var bytesRead = stream.Read(buffer.Span.Slice(headerPosition, buffer.Length - headerPosition));
#endif
if (bytesRead == 0)
{
throw new EndOfStreamException();
}
headerLength += bytesRead;
headerEnd = HttpCommon.ReadToHeaderEnd(buffer, ref headerPosition, headerLength);
}
var responseHeader = HttpCommon.ReadHeader(buffer, headerPosition, headerLength);
//Response Body
responseBodyStream = new HttpProtocolBodyStream(null, stream, responseHeader.BodyStartBuffer, false);
if (responseHeader.IsError)
{
var responseException = ContentTypeSerializer.DeserializeException(contentType, responseBodyStream);
throw responseException;
}
stopwatch.Stop();
_ = Log.TraceAsync($"{nameof(HttpCQRSClient)} Query: {interfaceType.GetNiceName()}.{data.ProviderMethod} {stopwatch.ElapsedMilliseconds}");
if (isStream)
{
return((TReturn)(object)responseBodyStream);
}
else
{
var model = ContentTypeSerializer.Deserialize <TReturn>(contentType, responseBodyStream);
responseBodyStream.Dispose();
client.Dispose();
return(model);
}
}
catch
{
if (responseBodyStream != null)
{
responseBodyStream.Dispose();
}
if (requestBodyStream != null)
{
requestBodyStream.Dispose();
}
if (stream != null)
{
stream.Dispose();
}
client.Dispose();
throw;
}
finally
{
BufferArrayPool <byte> .Return(bufferOwner);
}
}