public List <RpcCallContext> ExtractAndMatchCalls(string json, string service)
{
var calls = new List <RpcCallContext>();
var reqObj = this.ParseJsonOrThrow(json);
var reqArray = this.ExtractCallArrayOrThrow(reqObj);
foreach (JToken req in reqArray)
{
var call = new RpcCallContext();
call.RawRequestJson = req;
calls.Add(call);
try
{
this.FillCallContext(req, call, service);
}
catch (JsonRpcInternalErrorException ex)
{
this.logger.LogError(ex.Message, ex);
call.Error = RpcError.FromException(ex);
}
catch (JsonRpcException ex)
{
call.Error = RpcError.FromException(ex);
}
catch (Exception ex)
{
this.logger.LogError($"Error while extrating JsonRpc method.", ex);
call.Error = RpcError.FromException(new JsonRpcInternalErrorException(ex));
}
}
return(calls);
}
private void FillCallContext(JToken request, RpcCallContext call, string service)
{
this.CheckIfValidJsonRpcOrThrow(request);
call.MethodName = request["method"].ToString();
call.Id = (JToken)request["id"];
call.CallType = call.Id == null ? RpcCallType.Notification : RpcCallType.Call;
var methodEntry = this.register.GetMethodEntry(call.MethodName, service);
if (methodEntry == null)
{
throw new JsonRpcMethodNotFoundException();
}
call.RegistryEntry = methodEntry;
var paramsInfo = methodEntry.MethodInfo.GetParameters();
var parameters = new List <object>();
var requestParams = (JContainer)request["params"] ?? new JArray();
if (requestParams.Type == JTokenType.Array)
{
parameters = this.ExtractParamsFromArrayOrThrow(paramsInfo, (JArray)requestParams);
}
else
{
parameters = this.ExtractParamsFromObjectOrThrow(paramsInfo, (JObject)requestParams);
}
call.Parameters = parameters;
}
private void HandleExeption(Exception ex, RpcCallContext call)
{
if (ex is JsonRpcException)
{
call.Error = RpcError.FromException((JsonRpcException)ex);
}
else
{
if (this.exceptionHandlers.ContainsKey(ex.GetType()))
{
var handler = this.exceptionHandlers[ex.GetType()];
call.Error = handler(ex);
}
else
{
this.logger.LogError(0, ex, ex.Message);
call.Error = RpcError.FromException(new JsonRpcInternalErrorException(ex));
}
}
}
