public void TestAddToService1ParamCS_ByIdx()
{
const string testString = "how long is this?";
var exptectedLength = testString.Length;
const int testId = 29;
const string testMethodName = "testMethod";
var fun = new Func<string, int>(inputString => inputString.Length);
// SETUP
var rpcHost = new JAAM.RPC.RPCService();
rpcHost.AddToServiceCS(testMethodName, "inputString", fun);
// INVOKE
var callResult = rpcHost.Invoke(0,new RpcRequest<string>(testMethodName, testString, testId));
Assert.AreEqual(testId, callResult.Id); // make sure we got a result for the same ID we passed in
Assert.AreEqual(exptectedLength, callResult.Result); // make sure the result we got matches the calculation
Assert.IsNull(callResult.Error); // make sure we didn't error
}
public void TestAddToService1ParamCS_ByIdx()
{
const string testString = "how long is this?";
var exptectedLength = testString.Length;
const int testId = 29;
const string testMethodName = "testMethod";
var fun = new Func <string, int>(inputString => inputString.Length);
// SETUP
var rpcHost = new JAAM.RPC.RPCService();
rpcHost.AddToServiceCS(testMethodName, "inputString", fun);
// INVOKE
var callResult = rpcHost.Invoke(0, new RpcRequest <string>(testMethodName, testString, testId));
Assert.AreEqual(testId, callResult.Id); // make sure we got a result for the same ID we passed in
Assert.AreEqual(exptectedLength, callResult.Result); // make sure the result we got matches the calculation
Assert.IsNull(callResult.Error); // make sure we didn't error
}
public void TestAddToService2ParamCSExpectedFailBecauseParameterTypesDoNotMatchDelegateSignature()
{
const string testString = "how long is this?";
const int testMul = 23;
const int testId = 29;
const string testMethodName = "testMethod";
var fun = new Func <string, int, int>((inputString, mul) => inputString.Length * mul);
var expectedResult = fun(testString, testMul);
// SETUP
var rpcHost = new JAAM.RPC.RPCService();
rpcHost.AddToServiceCS(testMethodName, "inputString", "mul", fun);
// INVOKE
var callResult = rpcHost.Invoke(new RpcRequest <int, string>(testMethodName, testMul, testString, testId));
Assert.IsNotNull(callResult.Error); // make sure we didn't error
Assert.AreEqual(testId, callResult.Id); // make sure we got a result for the same ID we passed in
Assert.AreNotEqual(expectedResult, callResult.Result); // make sure the result we got matches the calculation
}
public void TestAddToService2ParamCSExpectedFailBecauseParameterTypesDoNotMatchDelegateSignature()
{
const string testString = "how long is this?";
const int testMul = 23;
const int testId = 29;
const string testMethodName = "testMethod";
var fun = new Func<string, int, int>((inputString, mul) => inputString.Length * mul);
var expectedResult = fun(testString, testMul);
// SETUP
var rpcHost = new JAAM.RPC.RPCService();
rpcHost.AddToServiceCS(testMethodName, "inputString", "mul", fun);
// INVOKE
var callResult = rpcHost.Invoke(new RpcRequest<int, string>(testMethodName, testMul, testString, testId));
Assert.IsNotNull(callResult.Error); // make sure we didn't error
Assert.AreEqual(testId, callResult.Id); // make sure we got a result for the same ID we passed in
Assert.AreNotEqual(expectedResult, callResult.Result); // make sure the result we got matches the calculation
}
/// <summary>
/// Invokes a method to handle a JsonRpc request.
/// </summary>
/// <param name="Rpc">JsonRpc Request to be processed</param>
/// <param name="RpcContext">Optional context that will be available from within the jsonRpcMethod.</param>
/// <returns></returns>
public JsonResponse Handle(JsonRequest Rpc, Object RpcContext = null)
{
AddRpcContext(RpcContext);
var preProcessingException = PreProcess(Rpc, RpcContext);
if (preProcessingException != null)
{
return(new JsonResponse()
{
Error = preProcessingException,
Id = Rpc.Id
});
}
SMDService metadata = null;
var haveMetadata = this.MetaData.Services.TryGetValue(Rpc.Method, out metadata);
if (Rpc.Params is ICollection == false)
{
return(new JsonResponse()
{
Result = null,
Error = new JsonRpcException(-32602,
"Invalid params", "The number of parameters could not be counted"),
Id = Rpc.Id
});
}
bool isJObject = Rpc.Params is Newtonsoft.Json.Linq.JObject;
bool isJArray = Rpc.Params is Newtonsoft.Json.Linq.JArray;
object[] parameters = null;
bool expectsRefException = false;
var metaDataParamCount = metadata.parameters.Count(x => x != null);
var getCount = Rpc.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++;
expectsRefException = true;
}
parameters = new object[paramCount];
if (isJArray)
{
var jarr = ((Newtonsoft.Json.Linq.JArray)Rpc.Params);
//var loopCt = jarr.Count;
//var pCount = loopCt;
//if (pCount == metaDataParamCount - 1 && metadata.parameters[metaDataParamCount].GetType() == typeof(JsonRpcException))
// pCount++;
//parameters = new object[pCount];
for (int i = 0; i < loopCt; i++)
{
parameters[i] = CleanUpParameter(jarr[i], metadata.parameters[i]);
}
}
else if (isJObject)
{
var jo = Rpc.Params as Newtonsoft.Json.Linq.JObject;
//var loopCt = jo.Count;
//var pCount = loopCt;
//if (pCount == metaDataParamCount - 1 && metadata.parameters[metaDataParamCount].GetType() == typeof(JsonRpcException))
// pCount++;
//parameters = new object[pCount];
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 JsonResponse()
{
Error = ProcessException(Rpc,
new JsonRpcException(-32602,
"Invalid params",
string.Format("Named parameter '{0}' was not present.",
metadata.parameters[i].Name)
))
, Id = Rpc.Id
});
}
parameters[i] = CleanUpParameter(jo[metadata.parameters[i].Name], metadata.parameters[i]);
}
}
// Optional Parameter support
// check if we still miss parameters compared to metadata which may include optional parameters.
// if the rpc-call didn't supply a value for an optional parameter, we should be assinging the default value of it.
if (parameters.Length < metaDataParamCount && metadata.defaultValues.Length > 0) // rpc call didn't set values for all optional parameters, so we need to assign the default values for them.
{
var paramIndex = parameters.Length; // the index we should start storing default values of optional parameters.
var missingParamsCount = metaDataParamCount - parameters.Length; // the amount of optional parameters without a value set by rpc-call.
Array.Resize(ref parameters, parameters.Length + metadata.defaultValues.Length); // resize the array to include all optional parameters.
// we need to add in reverse order as parameters can appear after all required parameters.
// as some of the optional parameters could already have assigned their values in rpc-call,
// by starting from the end we can make sure we only add the required default values.
for (int k = missingParamsCount; k > 0; k--)
{
var optionalParamIndex = k - 1; // the index of the optional parameter we will be currently setting a default value.
parameters[paramIndex] = metadata.defaultValues[optionalParamIndex].Value; // set the default value for the optional parameter that rpc-call didn't set a value for.
paramIndex++;
paramCount++; // we need to increase the paramCount by one each time we add default-value for an optional parameter that rpc-call didn't set a value for.
}
}
if (parameters.Length != metaDataParamCount)
{
return(new JsonResponse()
{
Error = ProcessException(Rpc,
new JsonRpcException(-32602,
"Invalid params",
string.Format("Expecting {0} parameters, and received {1}",
metadata.parameters.Length,
parameters.Length)
)),
Id = Rpc.Id
});
}
try
{
var response = _rpc.Invoke(new JAAM.RPC.RpcRequest(Rpc.Method, parameters, Rpc.Id.GetHashCode()));
if (haveMetadata == false || metadata == null)
{
return(new JsonResponse()
{
Result = null, Error = new JsonRpcException(-32601, "Method not found", "The method does not exist / is not available."), Id = Rpc.Id
});
}
if (response.Error != null)
{
// this is not right yet..
var testException = (response.Error.data as Exception);
if (testException != null && testException.InnerException is JsonRpcException)
{
return(new JsonResponse()
{
Error = ProcessException(Rpc, testException.InnerException as JsonRpcException)
});
}
// this at least works a little.
return(new JsonResponse()
{
Error = ProcessException(Rpc, new JsonRpcException(-32603, "Internal Error", response.Error)), Id = Rpc.Id
});
}
var results = response.Result;
var last = parameters.Length > 0 ? parameters[paramCount - 1]:null;
JsonRpcException contextException;
if (Task.CurrentId.HasValue && RpcExceptions.TryRemove(Task.CurrentId.Value, out contextException))
{
return(new JsonResponse()
{
Error = ProcessException(Rpc, contextException), Id = Rpc.Id
});
}
if (expectsRefException && last != null && last is JsonRpcException)
{
return(new JsonResponse()
{
Error = ProcessException(Rpc, last as JsonRpcException), Id = Rpc.Id
});
}
return(new JsonResponse()
{
Result = results
});
}
catch (Exception ex)
{
if (ex is TargetParameterCountException)
{
return(new JsonResponse()
{
Error = ProcessException(Rpc, 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 JsonResponse()
{
Error = ProcessException(Rpc, ex as JsonRpcException)
});
}
if (ex.InnerException != null && ex.InnerException is JsonRpcException)
{
return(new JsonResponse()
{
Error = ProcessException(Rpc, ex.InnerException as JsonRpcException)
});
}
else if (ex.InnerException != null)
{
return(new JsonResponse()
{
Error = ProcessException(Rpc, new JsonRpcException(-32603, "Internal Error", ex.InnerException))
});
}
return(new JsonResponse()
{
Error = ProcessException(Rpc, new JsonRpcException(-32603, "Internal Error", ex))
});
}
finally
{
RemoveRpcContext();
}
}
