public Response <GrpcRequest> BuildRequest(DownstreamContext context)
{
var route = context.DownstreamRequest.AbsolutePath.Trim('/').Split('/');
if (route.Length != 2)
{
return(SetError($"error request:{route},must do like this:http://domain:port/grpc/ServiceName/MethordName/"));
}
string svcName = route[0].ToUpper();
string methodName = route[1].ToUpper();
//判断是否存在对应grpc服务、方法
var grpcDescript = grpcServiceDescriptor.GetGrpcDescript();
if (!grpcDescript.ContainsKey(svcName))
{
return(SetError($"service name is not defined.{svcName}"));
}
if (!grpcDescript[svcName].ContainsKey(methodName))
{
return(SetError($"method name is not defined.{methodName}"));
}
GrpcRequest grpcRequest = new GrpcRequest
{
GrpcMethod = grpcDescript[svcName][methodName]
};
try
{
//需要替换Scheme
context.DownstreamRequest.Scheme = "http";
var requestMessage = context.DownstreamRequest.ToHttpRequestMessage();
var stream = requestMessage.Content.ReadAsStreamAsync().Result;
var encoding = context.HttpContext.Request.GetTypedHeaders().ContentType?.Encoding ?? Encoding.UTF8;
using (var reader = new StreamReader(stream, encoding))
{
grpcRequest.RequestMessage = reader.ReadToEnd();
}
//兼容请求参数为空
if (string.IsNullOrEmpty(grpcRequest.RequestMessage))
{
grpcRequest.RequestMessage = "{}";
}
}
catch (Exception)
{
return(SetError("request parameter error"));
}
context.DownstreamRequest.Scheme = "grpc";
return(new OkResponse <GrpcRequest>(grpcRequest));
}
public Response <GrpcRequest> BuildRequest(DownstreamContext context)
{
var route = context.DownstreamRequest.AbsolutePath.Trim('/').Split('/');
if (route.Length != 2)
{
return(SetError($"error request:{route},must do like this:http://domain:port/grpc/ServiceName/MethordName/"));
}
string svcName = route[0].ToUpper();
string methodName = route[1].ToUpper();
//判断是否存在对应grpc服务、方法
var grpcDescript = descriptor.Descriptor;
if (!grpcDescript.ContainsKey(svcName))
{
return(SetError($"service name is not defined.{svcName}"));
}
if (!grpcDescript[svcName].ContainsKey(methodName))
{
return(SetError($"method name is not defined.{methodName}"));
}
GrpcRequest grpcRequest = new GrpcRequest
{
GrpcMethod = grpcDescript[svcName][methodName],
Headers = GetRequestHeaders(context)
};
try
{
//需要替换Scheme
context.DownstreamRequest.Scheme = "http";
var requestJson = GetRequestJson(context);
grpcRequest.RequestMessage = JsonConvert.DeserializeObject(requestJson, grpcRequest.GrpcMethod.InputType.ClrType);
}
catch (Exception)
{
return(SetError("request parameter error"));
}
context.DownstreamRequest.Scheme = "grpc";
return(new OkResponse <GrpcRequest>(grpcRequest));
}
