public async Task Invoke(HttpContext httpContext)
{
// serializer may be mutated in JsonRpcRequest.CreateAsync, so we need new instance for every request
JsonSerializer serializer = JsonSerializer.Create(_options.JsonSerializerSettings);
try
{
using (var scope = _rpcServices.GetRequiredService <IServiceScopeFactory>().CreateScope())
{
var requestServices = new CompositeServiceProvider(
httpContext.RequestServices,
scope.ServiceProvider
);
JsonRpcRequest request;
try
{
request = await JsonRpcRequest.CreateAsync(httpContext, serializer);
}
catch (Exception ex)
{
// todo: log
if (!httpContext.Response.HasStarted && !httpContext.RequestAborted.IsCancellationRequested)
{
await SendResponse(httpContext, new JsonRpcResponse(null, JsonRpcError.PARSE_ERROR, errorData : ex.ToString()), serializer);
}
return;
}
var rpcContext = new JsonRpcContext(requestServices, _server, request);
await _server.ProcessAsync(rpcContext);
if (rpcContext.Request.IsNotification)
{
httpContext.Response.StatusCode = 204;
}
else
{
await SendResponse(httpContext, rpcContext.Response, serializer);
}
}
}
catch (Exception ex)
{
// todo: log
if (!httpContext.Response.HasStarted && !httpContext.RequestAborted.IsCancellationRequested)
{
await SendResponse(httpContext, new JsonRpcResponse(null, JsonRpcError.INTERNAL_ERROR, errorData : ex.ToString()), serializer);
}
}
}
public async Task Invoke(HttpContext httpContext)
{
try
{
if (_options.ForceHttpPost && !HttpMethods.IsPost(httpContext.Request.Method))
{
httpContext.Response.StatusCode = StatusCodes.Status405MethodNotAllowed;
return;
}
JsonRpcRequest request;
try
{
request = await CreateRequestAsync(httpContext, _server.Serializer);
}
catch (Exception ex)
{
_logger.LogWarning(JsonRpcLogEvents.ParseError, ex, "Failed to parse request");
if (!httpContext.Response.HasStarted && !httpContext.RequestAborted.IsCancellationRequested)
{
await SendResponse(httpContext, new JsonRpcResponse(null, JsonRpcError.PARSE_ERROR, errorData : ex.ToDiagnosticString()));
}
return;
}
var response = await _server.ProcessAsync(httpContext.RequestServices, request);
if (request.IsNotification)
{
httpContext.Response.StatusCode = 204;
}
else
{
await SendResponse(httpContext, response);
}
}
catch (Exception ex)
{
_logger.LogError(JsonRpcLogEvents.InternalError, ex, "Failed to send response");
if (!httpContext.Response.HasStarted && !httpContext.RequestAborted.IsCancellationRequested)
{
await SendResponse(httpContext, new JsonRpcResponse(null, JsonRpcError.INTERNAL_ERROR, errorData : ex.Unwrap().ToDiagnosticString()));
}
}
}