public Response Handle(Request req)
{
Delegate handle = null;
SmdService metadata = null;
bool haveDelegate = this.methods.TryGetValue(req.Method, out handle);
bool haveMetadata = this.smd.Services.TryGetValue(req.Method, out metadata);
if (haveDelegate == false || haveMetadata == false || metadata == null || handle == null)
{
return(new Response()
{
Result = null
, Error = new JsonRpcException(
-32601
, "Method not found"
, "The method does not exist / is not available. Method name: `" + req.Method + "`"
)
, Id = req.Id
});
}
if (req.Params == null) // allow params element to be missing without rewriting the params counting code below.
{
req.Params = new Newtonsoft.Json.Linq.JArray();
}
if (req.Params is ICollection == false)
{
return(new Response()
{
Result = null
, Error = new JsonRpcException(
-32602
, "Invalid params"
, "The number of parameters could not be counted. Method name: `" + req.Method + "`"
)
, Id = req.Id
});
}
bool isJObject = req.Params is Newtonsoft.Json.Linq.JObject;
bool isJArray = req.Params is Newtonsoft.Json.Linq.JArray;
bool isArray = req.Params.GetType().IsArray;
object[] parameters = null;
var metaDataParamCount = metadata.parameters.Count(x => x != null);
var getCount = req.Params as ICollection;
var loopCt = getCount.Count;
var paramCount = loopCt;
if (paramCount == metaDataParamCount - 1 && metadata.parameters[metaDataParamCount - 1].ObjectType.Name.Contains(typeof(JsonRpcException).Name))
{
paramCount++;
}
parameters = new object[paramCount];
if (isJArray)
{
var jarr = ((Newtonsoft.Json.Linq.JArray)req.Params);
for (int i = 0; i < loopCt; i++)
{
parameters[i] = CleanUpParameter(jarr[i], metadata.parameters[i]);
}
}
else if (isJObject)
{
var jo = req.Params as Newtonsoft.Json.Linq.JObject;
var asDict = jo as IDictionary <string, Newtonsoft.Json.Linq.JToken>;
for (int i = 0; i < loopCt; i++)
{
if (asDict.ContainsKey(metadata.parameters[i].Name) == false)
{
return(new Response()
{
Error = new JsonRpcException(
-32602
, "Invalid params"
, string.Format(
"Named parameter '{0}' was not present."
, metadata.parameters[i].Name
) + ". Method name: `" + req.Method + "`"
)
, Id = req.Id
});
}
parameters[i] = CleanUpParameter(jo[metadata.parameters[i].Name], metadata.parameters[i]);
}
}
else if (isArray)
{
var ps = req.Params as object[];
for (int i = 0; i < loopCt; i++)
{
parameters[i] = CleanUpParameter(ps[i], metadata.parameters[i]);
}
}
if (parameters.Length != metaDataParamCount)
{
return(new Response()
{
Error = new JsonRpcException(
-32602
, "Invalid params"
, string.Format(
"Expecting {0} parameters, and received {1}"
, metadata.parameters.Length
, parameters.Length
) + ". Method name: `" + req.Method + "`"
)
, Id = req.Id
});
}
try
{
var results = handle.DynamicInvoke(parameters);
return(new Response()
{
Id = req.Id, Result = results
});
}
catch (Exception ex)
{
if (ex is TargetParameterCountException)
{
return(new Response()
{
Id = req.Id, Error = new JsonRpcException(-32602, "Invalid params", ex)
});
}
// We really dont care about the TargetInvocationException, just pass on the inner exception
if (ex is JsonRpcException)
{
return(new Response()
{
Id = req.Id, Error = ex as JsonRpcException
});
}
if (ex.InnerException != null && ex.InnerException is JsonRpcException)
{
return(new Response()
{
Id = req.Id, Error = ex.InnerException as JsonRpcException
});
}
else if (ex.InnerException != null)
{
return(new Response()
{
Id = req.Id, Error = new JsonRpcException(-32603, "Internal Error", ex.InnerException)
});
}
return(new Response()
{
Id = req.Id, Error = new JsonRpcException(-32603, "Internal Error", ex)
});
}
}
public void AddService(string method, Dictionary <string, Type> parameters)
{
var newService = new SmdService(transport, "JSON-RPC-2.0", parameters);
Services.TryAdd(method, newService);
}
public bool Handle(Response res)
{
long _id = -1;
if (res.Id != null)
{
try
{
_id = Convert.ToInt64(res.Id);
}
catch {}
}
if (_id == -1)
{
return(false);
}
Delegate handle = null;
SmdService metadata = null;
bool haveCallback = this.requestCallbacks.TryGetValue(_id, out handle);
bool haveMetadata = this.smdService.TryGetValue(_id, out metadata);
if (haveCallback == false || haveMetadata == false || handle == null || metadata == null)
{
return(false);
}
if (res.Error != null)
{
{
Delegate temp;
requestCallbacks.TryRemove(_id, out temp);
}
{
SmdService temp;
smdService.TryRemove(_id, out temp);
}
return(true);
}
object[] parameters = null;
var metaDataParamCount = metadata.parameters.Count(x => x != null);
if (metaDataParamCount != (res.Result == null ? 0 : 1))
{
throw new JsonRpcException(
-32602
, "Invalid params"
, string.Format(
"Expecting {0} parameters, and received {1}"
, metadata.parameters.Length
, (res.Result == null ? 0 : 1)
)
);
}
if (res.Result != null)
{
parameters = new object[1];
parameters[0] = CleanUpParameter(res.Result, metadata.parameters[0]);
}
else
{
parameters = new object[0];
}
try
{
handle.DynamicInvoke(parameters);
return(true);
}
catch (Exception ex)
{
if (ex is TargetParameterCountException)
{
throw new JsonRpcException(-32602, "Invalid params", ex);
}
// We really dont care about the TargetInvocationException, just pass on the inner exception
if (ex is JsonRpcException)
{
throw ex;
}
if (ex.InnerException != null && ex.InnerException is JsonRpcException)
{
throw ex.InnerException as JsonRpcException;
}
else if (ex.InnerException != null)
{
throw new JsonRpcException(-32603, "Internal Error", ex.InnerException);
}
throw new JsonRpcException(-32603, "Internal Error", ex);
}
finally
{
{
Delegate temp;
requestCallbacks.TryRemove(_id, out temp);
}
{
SmdService temp;
smdService.TryRemove(_id, out temp);
}
}
}
