private AsyncResult arQuery; // The query async result
/// <summary>
/// Initiates an asynchronous query operation by sending the message
/// passed to the target endpoint.
/// </summary>
/// <param name="toEP">The target endpoint.</param>
/// <param name="query">The query message.</param>
/// <param name="callback">The delegate to be called when the operation completes (or <c>null</c>).</param>
/// <param name="state">Application specific state (or <c>null</c>).</param>
/// <returns>The async result used to track the operation.</returns>
/// <remarks>
/// <note>
/// Each call to <see cref="BeginQuery" /> must be matched with a call to <see cref="EndQuery" />.
/// </note>
/// </remarks>
public IAsyncResult BeginQuery(MsgEP toEP, Msg query, AsyncCallback callback, object state)
{
Assertion.Test(arQuery == null, "Cannot reuse a query session.");
this.query = query;
query._ToEP = toEP.Clone(true);
query._FromEP = base.Router.RouterEP.Clone(true);
query._SessionID = base.SessionID;
query._Flags |= MsgFlag.OpenSession | MsgFlag.ServerSession;
if (base.Router.DeadRouterDetection)
{
query._Flags |= MsgFlag.ReceiptRequest;
}
retry = 0;
retryTime = base.StartTime + TimeSpan.FromTicks(base.Router.SessionTimeout.Ticks);
arQuery = new AsyncResult(base.SessionManager, callback, state);
response = null;
error = null;
base.TTD = DateTime.MaxValue; // Client side QuerySessions handle their own lifespan
base.IsRunning = true;
try
{
query._Trace(base.Router, 2, "Q/R Query", null);
base.SessionManager.ClientStart(this);
base.Router.Send(query);
}
catch (Exception e)
{
AsyncResult arTemp;
arQuery.Notify(e);
arTemp = arQuery;
arQuery = null;
base.IsRunning = false;
return(arTemp);
}
arQuery.Started();
return(arQuery);
}
public void MsgEP_Broadcast_Physical()
{
MsgEP ep;
ep = new MsgEP("physical://seg0/seg1");
Assert.IsTrue(ep.IsPhysical);
Assert.IsFalse(ep.Broadcast);
Assert.AreEqual("physical://seg0/seg1", ep.ToString());
ep = ep.Clone();
Assert.IsFalse(ep.Broadcast);
Assert.AreEqual("physical://seg0/seg1", ep.ToString());
ep = new MsgEP("physical://seg0/seg1?broadcast");
Assert.IsTrue(ep.Broadcast);
Assert.AreEqual("physical://seg0/seg1?broadcast", ep.ToString());
ep = ep.Clone();
Assert.IsTrue(ep.Broadcast);
Assert.AreEqual("physical://seg0/seg1?broadcast", ep.ToString());
ep = new MsgEP("physical://seg0/seg1?BROADCAST");
Assert.IsTrue(ep.Broadcast);
Assert.AreEqual("physical://seg0/seg1?broadcast", ep.ToString());
ep = ep.Clone();
Assert.IsTrue(ep.Broadcast);
Assert.AreEqual("physical://seg0/seg1?broadcast", ep.ToString());
ep = new MsgEP("physical://seg0/seg1");
ep.Broadcast = true;
Assert.IsTrue(ep.Broadcast);
Assert.AreEqual("physical://seg0/seg1?broadcast", ep.ToString());
ep = new MsgEP("physical://seg0/seg1?broadcast");
ep.Broadcast = false;
Assert.IsFalse(ep.Broadcast);
Assert.AreEqual("physical://seg0/seg1", ep.ToString());
// Compare() does not ignore the broadcast parameter.
Assert.IsTrue(MsgEP.Compare("physical://seg0/seg1", "physical://seg0/seg1") == 0);
Assert.IsTrue(MsgEP.Compare("physical://seg0/seg1", "physical://seg0/seg1?broadcast") != 0);
// Equals() ignores the broadcast parameter.
Assert.AreEqual((MsgEP)"physical://seg0/seg1", (MsgEP)"physical://seg0/seg1");
Assert.AreEqual((MsgEP)"physical://seg0/seg1", (MsgEP)"physical://seg0/seg1?broadcast");
}
public void MsgEP_Broadcast_Logical()
{
MsgEP ep;
ep = new MsgEP("logical://seg0/seg1");
Assert.IsTrue(ep.IsLogical);
Assert.IsFalse(ep.Broadcast);
Assert.AreEqual("logical://seg0/seg1", ep.ToString());
ep = ep.Clone();
Assert.IsFalse(ep.Broadcast);
Assert.AreEqual("logical://seg0/seg1", ep.ToString());
ep = new MsgEP("logical://seg0/seg1?broadcast");
Assert.IsTrue(ep.Broadcast);
Assert.AreEqual("logical://seg0/seg1?broadcast", ep.ToString());
ep = ep.Clone();
Assert.IsTrue(ep.Broadcast);
Assert.AreEqual("logical://seg0/seg1?broadcast", ep.ToString());
ep = new MsgEP("logical://seg0/seg1?BROADCAST");
Assert.IsTrue(ep.Broadcast);
Assert.AreEqual("logical://seg0/seg1?broadcast", ep.ToString());
ep = ep.Clone();
Assert.IsTrue(ep.Broadcast);
Assert.AreEqual("logical://seg0/seg1?broadcast", ep.ToString());
try
{
ep = new MsgEP("logical://seg0/seg1?badparam=5");
Assert.Fail("Expected an ArgumentException");
}
catch (Exception e)
{
Assert.IsInstanceOfType(e, typeof(ArgumentException));
}
ep = new MsgEP("logical://seg0/seg1");
ep.Broadcast = true;
Assert.IsTrue(ep.Broadcast);
Assert.AreEqual("logical://seg0/seg1?broadcast", ep.ToString());
ep = new MsgEP("logical://seg0/seg1?broadcast");
ep.Broadcast = false;
Assert.IsFalse(ep.Broadcast);
Assert.AreEqual("logical://seg0/seg1", ep.ToString());
// Compare() does not ignore the broadcast parameter.
Assert.IsTrue(MsgEP.Compare("logical://seg0/seg1", "logical://seg0/seg1") == 0);
Assert.IsTrue(MsgEP.Compare("logical://seg0/seg1", "logical://seg0/seg1?broadcast") != 0);
// Equals() and LogicalMatch() ignore the broadcast parameter.
Assert.AreEqual((MsgEP)"logical://seg0/seg1", (MsgEP)"logical://seg0/seg1");
Assert.AreEqual((MsgEP)"logical://seg0/seg1", (MsgEP)"logical://seg0/seg1?broadcast");
Assert.IsTrue(new MsgEP("logical://seg0/seg1").LogicalMatch("logical://seg0/seg1"));
Assert.IsTrue(new MsgEP("logical://seg0/seg1").LogicalMatch("logical://seg0/seg1?broadcast"));
Assert.IsTrue(new MsgEP("logical://seg0/seg1?broadcast").LogicalMatch("logical://seg0/seg1"));
Assert.IsTrue(new MsgEP("logical://seg0/seg1?broadcast").LogicalMatch("logical://seg0/seg1?broadcast"));
}