public void Process(IMessage message)
{
if (IsFlowInputMessage(message))
{
// parent/flow.port => flow/.port
var output = new Message(Port.Build(message.Port.OperationName, "", message.Port.Name), message.Data, message.CorrelationId)
{
Causalities = message.Causalities,
FlowStack = message.FlowStack
};
if (message.Port.Path != "") output.FlowStack.Push(message.Port.Path);
Result(output);
}
else
{
// flow/.port => parent/flow.port
var parentFlowname = "";
if (!message.FlowStack.IsEmpty) parentFlowname = message.FlowStack.Pop();
var output = new Message(Port.Build(parentFlowname, Create_operation_name(message), message.Port.Name), message.Data, message.CorrelationId)
{
Causalities = message.Causalities,
FlowStack = message.FlowStack
};
Result(output);
}
}
public void Stress_test_parallel_method()
{
var cache = new AsynchronizerCache();
var sut = new EBCOperation("math", new MyParallelEbc(), null, cache);
var are = new AutoResetEvent(false);
var results = new List<int>();
var threads = new Dictionary<long, int>();
var exceptions = new List<string>();
const int N = 2000;
for (var i = 1; i <= N; i++)
{
var input = new Message("math.Inc", i);
var methodOp = sut.Create_method_operation(input);
Assert.IsInstanceOf<AsyncWrapperOperation>(methodOp);
methodOp.Implementation(input, _ =>
{
lock(results)
{
results.Add((int)_.Data);
var thUsage = 0;
if (threads.TryGetValue(Thread.CurrentThread.GetHashCode(), out thUsage))
threads[Thread.CurrentThread.GetHashCode()] = thUsage + 1;
else
threads.Add(Thread.CurrentThread.GetHashCode(), 1);
if (results.Count == N) are.Set();
}
},
ex =>
{
lock(exceptions)
{
exceptions.Add(string.Format("data==[{0}] -> {1}", (int)input.Data, ex.ToString()));
}
});
}
var waitOne = are.WaitOne(2000);
Console.WriteLine("count: {0}, thread count: {1}, ex count: {2}", results.Count, threads.Count, exceptions.Count);
foreach(var th in threads)
Console.WriteLine("{1} x thread #{0}", th.Key, th.Value);
Console.WriteLine("thread usage total: {0}", threads.Values.Sum());
for(var i = 0; i < Math.Min(5, exceptions.Count); i++)
Console.WriteLine("*** {0}: {1}", i, exceptions[i]);
Assert.IsTrue(waitOne);
}
public void Pop()
{
var sut = new PopCausality("pc");
Assert.AreEqual("pc", sut.Name);
var msg = new Message("x", "hello");
msg.Causalities.Push(new Port("handler"));
CausalityStack result = null;
sut.Implementation(msg, _ => result = _.Causalities, null);
Assert.IsTrue(result.IsEmpty);
}
public void Async_EBC_method_throwing_exception()
{
var cache = new AsynchronizerCache();
var sut = new EBCOperation("math", new MyAsyncEbc(), null, cache);
var are = new AutoResetEvent(false);
FlowRuntimeException result = null;
var input = new Message("math.ThrowException", 41);
var methodOp = sut.Create_method_operation(input);
methodOp.Implementation(input, _ => { }, ex => { result = ex; are.Set(); });
Assert.IsTrue(are.WaitOne(1000));
Assert.IsInstanceOf<ApplicationException>(result.InnerException);
}
public void Output_is_in_same_context_as_input()
{
var sut = new Execute_task();
var msg = new Message("a/b/x.in", "hello");
var task = new Task(msg,
new Operation("x", (input, outputCont, _) => {
outputCont(new Message("x.out", input.Data.ToString() + "x"));
}));
var results = new List<IMessage>();
sut.Result += _ => results.Add(_);
sut.Process(task);
Assert.AreEqual("hellox", results[0].Data.ToString());
Assert.AreEqual("a/b/x.out", results[0].Port.Fullname);
}
private void Put_output_in_same_context_as_input(Task task, IMessage output)
{
if (!(task.Operation is IFlow) && task.Message.Port.Path != output.Port.Path)
output = new Message(Port.Build(task.Message.Port.Path, output.Port.OperationName, output.Port.InstanceNumber, output.Port.Name),
output.Data,
task.Message.CorrelationId);
if (task.Message.Port.InstanceNumber != "" && output.Port.InstanceNumber == "")
output = new Message(Port.Build(output.Port.Path, output.Port.OperationName, task.Message.Port.InstanceNumber, output.Port.Name),
output.Data,
task.Message.CorrelationId);
if (!(task.Operation is IFlow)) output.FlowStack = task.Message.FlowStack;
output.Causalities = task.Message.Causalities;
Result(output);
}
public void Operation_with_single_output()
{
var sut = new Execute_task();
var msg = new Message("x.in", "hello");
var task = new Task(msg,
new Operation("x", (input, outputCont, _) => {
outputCont(input);
}));
IMessage result = null;
sut.Result += _ => result = _;
sut.Process(task);
Assert.AreSame(msg, result);
}
public void Operation_with_multiple_outputs()
{
var sut = new Execute_task();
var msg = new Message("x.in", "hello");
var task = new Task(msg,
new Operation("x", (input, outputCont, _) => {
outputCont(new Message("1", input.Data.ToString() + "x"));
outputCont(new Message("2", input.Data.ToString() + "y"));
}));
var results = new List<IMessage>();
sut.Result += _ => results.Add(_);
sut.Process(task);
Assert.AreEqual("1", results[0].Port.Fullname);
Assert.AreEqual("hellox", results[0].Data.ToString());
Assert.AreEqual("2", results[1].Port.Fullname);
Assert.AreEqual("helloy", results[1].Data.ToString());
}
protected override void Process(IMessage input, Action<IMessage> continueWith, Action<FlowRuntimeException> unhandledException)
{
if ("encode decode".IndexOf(input.Port.Name.ToLower()) < 0) throw new ArgumentException("Invalid input port! Valid input ports of Correlator are .encode and .decode.");
IMessage msg = null;
Correlation corr = null;
switch(input.Port.Name.ToLower())
{
case "encode":
corr = (Correlation)input.Data;
msg = new Message(base.Name + ".encoded", corr.Data, corr.Id);
break;
case "decode":
corr = new Correlation(input.CorrelationId, input.Data);
msg = new Message(base.Name + ".decoded", corr, corr.Id);
break;
}
msg.Causalities = input.Causalities;
msg.FlowStack = input.FlowStack;
continueWith(msg);
}
public void Wrap_async_EBC_method()
{
var cache = new AsynchronizerCache();
var sut = new EBCOperation("math", new MyAsyncEbc(), null, cache);
var are = new AutoResetEvent(false);
IMessage result = null;
Thread methodThread = null;
var input = new Message("math.Inc", 41);
var methodOp = sut.Create_method_operation(input);
Assert.IsInstanceOf<AsyncWrapperOperation>(methodOp);
methodOp.Implementation(input, _ => { result = _; methodThread = Thread.CurrentThread; are.Set(); }, _ => { });
Assert.IsTrue(are.WaitOne(1000));
Assert.AreEqual(42, (int)result.Data);
Assert.AreNotSame(methodThread, Thread.CurrentThread);
}
public void Wrap_EBC()
{
var sut = new EBCOperation("math", new MyEbc(), null, null);
IMessage result = null;
var input = new Message("math.Inc", 41);
var ebcOp = sut.Create_method_operation(input);
ebcOp.Implementation(input, _ => result = _, _ => {});
Assert.AreEqual("math.Result", result.Port.Fullname);
Assert.AreEqual(42, (int)result.Data);
input = new Message("math.Divide", new Tuple<int, int>(42, 7));
ebcOp = sut.Create_method_operation(input);
ebcOp.Implementation(input, _ => result = _, _ => { });
Assert.AreEqual("math.Result", result.Port.Fullname);
Assert.AreEqual(6, (int)result.Data);
input = new Message("math.Divide", new Tuple<int, int>(42, 0));
ebcOp = sut.Create_method_operation(input);
ebcOp.Implementation(input, _ => result = _, _ => { });
Assert.AreEqual("math.DivisionByZero", result.Port.Fullname);
Assert.IsNull(result.Data);
}
private void Catch_exception_with_causality(Task task, FlowRuntimeException ex)
{
var c = task.Message.Causalities.Peek();
var cMsg = new Message(c.Port, ex, task.Message.CorrelationId);
HandledException(cMsg);
}
public void Process_remote_input(HostInput input)
{
_cache.Add(input.CorrelationId, input.StandInEndpointAddress);
var msg = new Message(input.Portname.StandInPortnameToInputPortname(), input.Data.Deserialize(), input.CorrelationId);
Translated_input(msg);
}
