public void BenchmarkMessages()
{
var port = new Random().Next(20000, 60000);
GlobalHost.Configuration.DefaultMessageBufferSize = 2000; // maximum number of messages to buffer
GlobalHost.Configuration.MaxIncomingWebSocketMessageSize = null;
GlobalHost.Configuration.DisconnectTimeout = TimeSpan.FromSeconds(15); // auto set keepalive to 5
var url = "http://localhost:" + port + "/";
var server = WebApp.Start<Startup>(url);
var client = new HubConnection(url + "s1");
var proxy = client.CreateHubProxy("ISumService");
client.Start().Wait();
Assert.Equal(ConnectionState.Connected, client.State);
const int randCnt = 100;
var rand = new Random(42);
var randoms = new int[randCnt];
for (int i = 0; i < randCnt; i++) randoms[i] = rand.Next(10000000, 20000000);
var sw = new Stopwatch();
long timeFromClient = 0, timeToClient = 0;
const int cnt = 1000;
for (int j = 0; j < cnt; j++)
{
sw.Start();
var sum = proxy.Invoke<int>("Sum", randoms).Result;
sw.Stop();
Assert.Equal(randoms.Sum(), sum);
for (int i = 0; i < randCnt; i++) randoms[i] = rand.Next(10000000, 20000000);
var times = proxy.Invoke<Tuple<long,long>>("TimeDiff", Stopwatch.GetTimestamp()).Result;
timeFromClient += times.Item1;
timeToClient += Stopwatch.GetTimestamp() - times.Item2;
}
_testOutputHelper.WriteLine("Completed {0} sum passes in {1}ms", cnt, sw.ElapsedMilliseconds);
_testOutputHelper.WriteLine("Client to server latency: {0}us", timeFromClient / cnt / 10);
_testOutputHelper.WriteLine("Server to client latency: {0}us", timeToClient / cnt / 10);
sw.Reset();
var tree = new SumServiceTree();
SumServiceTree.FillTree(tree, rand, 2);
_testOutputHelper.WriteLine("Starting large message transfer.");
sw.Start();
var result = proxy.Invoke<SumServiceTree>("Increment", tree).Result;
sw.Stop();
Assert.Equal(tree.Leaf + 1, result.Leaf);
_testOutputHelper.WriteLine("Completed large transfer in {0}ms", sw.Elapsed.TotalMilliseconds);
client.Dispose();
server.Dispose();
}
private async Task<bool> EnsureProxy()
{
if (HubProxy != null)
return true;
Connection = new HubConnection(ServerUri);
HubProxy = Connection.CreateHubProxy("CustomerHub");
// Register callbacks
HubProxy.On<Customer>("Saved", OnCustomerSaved);
HubProxy.On<Guid>("Deleted", OnCustomerDeleted);
try
{
await Connection.Start();
return true;
}
catch (HttpRequestException)
{
Connection.Dispose();
Connection = null;
MessageBox.Show("Unable to connect to server: Start server before connecting clients.");
return false;
}
}
private void StopService()
{
if (_Hub != null)
{
_Hub.Dispose();
}
_ProxyAuth = null;
}
public virtual void Dispose()
{
reconnect = false;
Stop();
hubConnection?.Dispose();
hubConnection = null;
}
public virtual void Dispose()
{
using (Trace.Log())
{
reconnect = false;
//Stop();
hubConnection.StateChanged -= OnStateChanged;
hubConnection.Dispose();
hubConnection = null;
}
}
public async Task EndToEndHub ()
{
var sessionId = Guid.NewGuid().ToString();
var clients = 0;
var pubConn = new HubConnection(ThisAssembly.HubUrl);
var pubProxy = pubConn.CreateHubProxy("FormsPlayer");
var subConn = new HubConnection(ThisAssembly.HubUrl);
var subProxy = subConn.CreateHubProxy("FormsPlayer");
var xamls = new List<string>();
var jsons = new List<string>();
pubProxy.On<int> ("Connected", count => clients = count);
subProxy.On<string> ("Xaml", xaml => xamls.Add (xaml));
subProxy.On<string> ("Json", json => jsons.Add (json));
await pubConn.Start ();
await subConn.Start ();
await pubProxy.Invoke ("Join", sessionId);
await subProxy.Invoke ("Join", sessionId);
SpinWait.SpinUntil (() => clients == 2, 1000);
// Count will be 1+ than actual "clients", since the publisher/VS is also a client.
Assert.Equal (2, clients);
await pubProxy.Invoke ("Xaml", sessionId, "xaml");
await pubProxy.Invoke ("Xaml", Guid.NewGuid ().ToString (), "xaml");
await pubProxy.Invoke ("Json", sessionId, "json");
await pubProxy.Invoke ("Json", Guid.NewGuid ().ToString (), "json");
Assert.Equal (1, xamls.Count);
Assert.Equal (1, jsons.Count);
Assert.Equal ("xaml", xamls[0]);
Assert.Equal ("json", jsons[0]);
subConn.Dispose ();
SpinWait.SpinUntil (() => clients == 1, 1000);
Assert.Equal (1, clients);
}
internal void Connect()
{
IsConnected = false;
connection = new HubConnection ("http://formsplayer.azurewebsites.net/");
proxy = connection.CreateHubProxy ("FormsPlayer");
try {
connection.Start ().Wait (3000);
IsConnected = true;
IdeApp.Workbench.StatusBar.ShowMessage (string.Format("Successfully connected to FormsPlayer. Session ID: {0}", SessionId));
} catch (Exception e) {
IdeApp.Workbench.StatusBar.ShowMessage (string.Format("Error connecting to FormsPlayer: {0}", e.Message));
connection.Dispose ();
Console.WriteLine (e);
}
}
void OnWrite(string message)
{
if (proxy == null) {
if (string.IsNullOrEmpty (Parameters))
// throw new LoggerException ("No build identifier was specified as a logger parameter.");
return;
buildId = Parameters.Split (';')
.Select (x => x.Split ('='))
.Where (x => x.Length == 2 && x[0].Equals ("buildId", StringComparison.OrdinalIgnoreCase))
.Select (x => x[1])
.FirstOrDefault ();
if (string.IsNullOrEmpty (buildId))
throw new LoggerException ("No buildId parameter value was specified as a logger parameter. Use buildId=ID after the logger assembly.");
hubUrl = Parameters.Split (';')
.Select (x => x.Split ('='))
.Where (x => x.Length == 2 && x[0].Equals ("hubUrl", StringComparison.OrdinalIgnoreCase))
.Select (x => x[1])
.FirstOrDefault () ?? defaultHubUrl;
connection = new HubConnection (hubUrl);
proxy = connection.CreateHubProxy ("build");
try {
connection.Start ().Wait (3000);
proxy.On ("Shutdown", () => shutDown.Set ());
} catch (Exception e) {
Trace.WriteLine ("Failed to connect to " + hubUrl + ": " + e.ToString ());
connection.Dispose ();
connection = null;
}
}
// If connection failed, the connection will be null.
if (connection != null) {
proxy.Invoke ("Message", buildId, message)
.ContinueWith (t =>
Trace.WriteLine ("Failed to publish message."),
CancellationToken.None,
TaskContinuationOptions.OnlyOnFaulted,
TaskScheduler.Default);
}
}
protected virtual string ConnectToServer(Dev2.Data.ServiceModel.Connection connection)
{
// we need to grab the principle and impersonate to properly execute in context of the requesting user ;)
var principle = Thread.CurrentPrincipal;
var identity = principle.Identity as WindowsIdentity;
WindowsImpersonationContext context = null;
try
{
if(identity != null && connection.AuthenticationType == AuthenticationType.Windows)
{
context = identity.Impersonate();
}
using(var client = new WebClient())
{
if(connection.AuthenticationType == AuthenticationType.Windows)
{
client.UseDefaultCredentials = true;
}
else
{
client.UseDefaultCredentials = false;
//// we to default to the hidden public user name of \, silly know but that is how to get around ntlm auth ;)
if(connection.AuthenticationType == AuthenticationType.Public)
{
connection.UserName = GlobalConstants.PublicUsername;
connection.Password = string.Empty;
}
client.Credentials = new NetworkCredential(connection.UserName, connection.Password);
}
// Need to do hub connect here to get true permissions ;)
HubConnection hub = null;
try
{
// Credentials = client.Credentials
hub = new HubConnection(connection.FetchTestConnectionAddress()) { Credentials = client.Credentials };
ServicePointManager.ServerCertificateValidationCallback = ValidateServerCertificate;
#pragma warning disable 168
var proxy = hub.CreateHubProxy("esb"); // this is the magic line that causes proper validation
#pragma warning restore 168
hub.Start().Wait();
Dev2Logger.Log.Debug("Hub State : " + hub.State);
return "Success";
}
catch(Exception)
{
// Credentials = client.Credentials
var hub2 = new HubConnectionWrapperOld(connection.FetchTestConnectionAddress()) { Credentials = client.Credentials };
ServicePointManager.ServerCertificateValidationCallback = ValidateServerCertificate;
#pragma warning disable 168
var proxy = hub2.CreateHubProxy("esb"); // this is the magic line that causes proper validation
#pragma warning restore 168
hub2.Start().Wait();
Dev2Logger.Log.Debug("Hub State : " + hub2.State);
return "Success";
}
finally
{
if(hub != null)
{
hub.Stop();
hub.Dispose();
}
}
}
}
finally
{
if(context != null && connection.AuthenticationType == AuthenticationType.Windows)
{
context.Undo();
}
}
}
private void UpdateClients()
{
IHubProxy _hub;
string url = @"http://www.duser.net/";
var connection = new HubConnection(url);
_hub = connection.CreateHubProxy("WeatherHub");
connection.Start().Wait();
_hub.Invoke("GetData").Wait();
connection.Dispose();
}
