public async Task Invoke(DownstreamContext context)
{
var httpStatusCode = HttpStatusCode.OK;
var buildRequest = await _dotNettyRequestBuilder.BuildRequest(context);
string resultMessage;
if (buildRequest.IsError)
{
resultMessage = "bad request";
httpStatusCode = HttpStatusCode.BadRequest;
Logger.LogDebug(resultMessage);
}
else
{
try
{
var endpoint = new IPEndPoint(IPAddress.Parse(context.DownstreamRequest.Host), context.DownstreamRequest.Port);
var serviceId = context.DownstreamRequest.AbsolutePath.TrimStart('/');
var result = await _serviceProxyProvider.InvokeAsync <object>(buildRequest.Data, serviceId, endpoint);
resultMessage = JsonConvert.SerializeObject(result);
}
catch (RpcException ex)
{
httpStatusCode = HttpStatusCode.InternalServerError;
resultMessage = $"rpc exception.";
Logger.LogError("apigateway dotnetty client error", ex);
}
catch (Exception ex)
{
httpStatusCode = HttpStatusCode.ServiceUnavailable;
resultMessage = $"error in request netty service.";
Logger.LogError($"{resultMessage}--{context.DownstreamRequest.ToUri()}", ex);
}
}
OkResponse <DotNettyHttpContent> httpResponse = new OkResponse <DotNettyHttpContent>(new DotNettyHttpContent(resultMessage));
//context.HttpContext.Response.ContentType = "application/json";
context.DownstreamResponse = new DownstreamResponse(httpResponse.Data, httpStatusCode, httpResponse.Data.Headers, string.Empty);
}