public void SharedMemIPC_Parallel()
{
// Verify multiple client/server IPC calls happening in parallel.
SharedMemServer <MessageFactory> server = null;
SharedMemClient <MessageFactory> client = null;
try
{
// Configure a test server that echos the argument passed.
server = new SharedMemServer <MessageFactory>("test-server",
rawRequest =>
{
var request = (RequestMessage)rawRequest;
return(new ResponseMessage()
{
Result = request.Arg
});
});
// Configure the client.
client = new SharedMemClient <MessageFactory>("test-server");
// Peform the parallel operations.
var count = 50000;
var tasks = new Task <ResponseMessage> [count];
for (int i = 0; i < count; i++)
{
tasks[i] = client.CallAsync <ResponseMessage>(new RequestMessage()
{
Arg = i.ToString()
});
}
Task.WaitAll(tasks, TimeSpan.FromSeconds(10));
for (int i = 0; i < count; i++)
{
var response = (ResponseMessage)tasks[i].Result;
Assert.AreEqual <string>(i.ToString(), response.Result);
}
}
finally
{
if (server != null)
{
server.Dispose();
}
if (client != null)
{
client.Dispose();
}
}
}
public async Task SharedMemIPC_ServerException()
{
// Verify that exceptions thrown by the server are rethrown by the client.
SharedMemServer <MessageFactory> server = null;
SharedMemClient <MessageFactory> client = null;
try
{
// Configure a test server that echos the argument passed.
server = new SharedMemServer <MessageFactory>("test-server",
rawRequest =>
{
throw new ArgumentException("Bad arg");
});
// Configure the client.
client = new SharedMemClient <MessageFactory>("test-server");
// Make the call.
try
{
await client.CallAsync(new RequestMessage());
Assert.Fail("Expected a [{0}].", typeof(SharedMemException).FullName);
}
catch (SharedMemException e)
{
Assert.AreEqual("System.ArgumentException: Bad arg", e.Message);
}
catch
{
Assert.Fail("Expected a [{0}].", typeof(SharedMemException).FullName);
}
}
finally
{
if (server != null)
{
server.Dispose();
}
if (client != null)
{
client.Dispose();
}
}
}
public async Task SharedMemIPC_Basic()
{
// Verify basic client/server IPC.
SharedMemServer <MessageFactory> server = null;
SharedMemClient <MessageFactory> client = null;
try
{
// Configure a test server that echos the argument passed.
server = new SharedMemServer <MessageFactory>("test-server",
rawRequest =>
{
var request = (RequestMessage)rawRequest;
return(new ResponseMessage()
{
Result = request.Arg
});
});
// Configure the client.
client = new SharedMemClient <MessageFactory>("test-server");
// Verify that we can handle query/response end-to-end.
var response = await client.CallAsync <ResponseMessage>(new RequestMessage()
{
Arg = "Hello World!"
});
Assert.AreEqual("Hello World!", response.Result);
}
finally
{
if (server != null)
{
server.Dispose();
}
if (client != null)
{
client.Dispose();
}
}
}
public async Task SharedMemIPC_Performance()
{
// Measure calls per second.
SharedMemServer <MessageFactory> server = null;
SharedMemClient <MessageFactory> client = null;
try
{
// Configure a test server that echos the argument passed.
server = new SharedMemServer <MessageFactory>("test-server",
rawRequest =>
{
var request = (RequestMessage)rawRequest;
return(new ResponseMessage()
{
Result = request.Arg
});
});
// Configure the client.
client = new SharedMemClient <MessageFactory>("test-server");
// Peform the operations.
var count = 10000;
var stopwatch = new Stopwatch();
stopwatch.Start();
for (int i = 0; i < count; i++)
{
await client.CallAsync(new RequestMessage()
{
Arg = "Test"
});
}
stopwatch.Stop();
var callsPerSecond = count / stopwatch.Elapsed.TotalSeconds;
var msPerCall = stopwatch.Elapsed.TotalMilliseconds / count;
Debug.WriteLine("Calls/sec: {0}", callsPerSecond);
Debug.WriteLine("Milliseconds/call: {0}", msPerCall);
}
finally
{
if (server != null)
{
server.Dispose();
}
if (client != null)
{
client.Dispose();
}
}
}
public async Task SharedMemIPC_Timeout()
{
// Verify that the client implements timeout.
SharedMemServer <MessageFactory> server = null;
SharedMemClient <MessageFactory> client = null;
try
{
// Configure a test server that can delay for 5 seconds before returning.
server = new SharedMemServer <MessageFactory>("test-server",
rawRequest =>
{
var request = (RequestMessage)rawRequest;
if (request.Arg == "DELAY")
{
Thread.Sleep(TimeSpan.FromSeconds(5));
}
return(new ResponseMessage()
{
Result = request.Arg
});
});
// Configure the client.
client = new SharedMemClient <MessageFactory>("test-server");
// Verify that we get a timeout.
await ExtendedAssert.ThrowsAsync <TimeoutException>(
async() => await client.CallAsync <ResponseMessage>(new RequestMessage()
{
Arg = "DELAY"
}, TimeSpan.FromSeconds(1)));
// Verify that regular requests still work.
var response = await client.CallAsync <ResponseMessage>(new RequestMessage()
{
Arg = "NODELAY"
}, TimeSpan.FromSeconds(1));
Assert.AreEqual("NODELAY", response.Result);
}
finally
{
if (server != null)
{
server.Dispose();
}
if (client != null)
{
client.Dispose();
}
}
}