/// <summary>
/// Creates a new instance of <see cref="GrpcWebHandler"/>.
/// </summary>
/// <param name="mode">The gRPC-Web mode to use when making gRPC-Web calls.</param>
/// <param name="httpVersion">The HTTP version to used when making gRPC-Web calls.</param>
/// <param name="innerHandler">The inner handler which is responsible for processing the HTTP response messages.</param>
public GrpcWebHandler(GrpcWebMode mode, Version httpVersion, HttpMessageHandler innerHandler) : base(innerHandler)
{
if (httpVersion == null)
{
throw new ArgumentNullException(nameof(httpVersion));
}
_mode = mode;
_httpVersion = httpVersion;
}
/// <summary>
/// Creates a new instance of <see cref="GrpcWebHandler"/>.
/// </summary>
/// <param name="mode">The gRPC-Web mode to use when making gRPC-Web calls.</param>
/// <param name="httpVersion">The HTTP version to used when making gRPC-Web calls.</param>
public GrpcWebHandler(GrpcWebMode mode, Version httpVersion)
{
if (httpVersion == null)
{
throw new ArgumentNullException(nameof(httpVersion));
}
_mode = mode;
_httpVersion = httpVersion;
}
public GrpcWebRequestContent(HttpContent inner, GrpcWebMode mode)
{
_inner = inner;
_mode = mode;
foreach (var header in inner.Headers)
{
Headers.TryAddWithoutValidation(header.Key, header.Value);
}
Headers.ContentType = (mode == GrpcWebMode.GrpcWebText)
? GrpcWebProtocolConstants.GrpcWebTextHeader
: GrpcWebProtocolConstants.GrpcWebHeader;
}
public GrpcWebResponseContent(HttpContent inner, GrpcWebMode mode, HttpHeaders responseTrailers)
{
_inner = inner;
_mode = mode;
_responseTrailers = responseTrailers;
foreach (var header in inner.Headers)
{
Headers.TryAddWithoutValidation(header.Key, header.Value);
}
Headers.ContentType = GrpcWebProtocolConstants.GrpcHeader;
}
private static bool IsMatchingResponseContentType(GrpcWebMode mode, string?contentType)
{
if (mode == Web.GrpcWebMode.GrpcWeb)
{
return(CommonGrpcProtocolHelpers.IsContentType(GrpcWebProtocolConstants.GrpcWebContentType, contentType));
}
if (mode == Web.GrpcWebMode.GrpcWebText)
{
return(CommonGrpcProtocolHelpers.IsContentType(GrpcWebProtocolConstants.GrpcWebTextContentType, contentType));
}
return(false);
}
public static ClientCallsFactory ForAspNetHost(GrpcWebMode mode)
{
Func <ChannelBase> channelFactory = () =>
{
var options = new GrpcChannelOptions
{
DisposeHttpClient = true,
HttpHandler = new GrpcWebHandler(mode, new HttpClientHandler())
{
HttpVersion = System.Net.HttpVersion.Version11
}
};
return(GrpcChannel.ForAddress(Hosts.ServerAspNetHostHttp1, options));
};
return(new ClientCallsFactory(channelFactory));
}
/// <summary>
/// Creates a new instance of <see cref="GrpcWebHandler"/>.
/// </summary>
/// <param name="mode">The gRPC-Web mode to use when making gRPC-Web calls.</param>
/// <param name="innerHandler">The inner handler which is responsible for processing the HTTP response messages.</param>
public GrpcWebHandler(GrpcWebMode mode, HttpMessageHandler innerHandler) : base(innerHandler)
{
GrpcWebMode = mode;
}
/// <summary>
/// Creates a new instance of <see cref="GrpcWebHandler"/>.
/// </summary>
/// <param name="mode">The gRPC-Web mode to use when making gRPC-Web calls.</param>
public GrpcWebHandler(GrpcWebMode mode)
{
GrpcWebMode = mode;
}
