public void LocalCallContextDataFlowsWithExecutionContextInTaskStartNew()
{
const string SlotName = "Hello8";
LocalCallContextData.SetData(SlotName, "World");
var dataAccessible = false;
var resetEvent = new ManualResetEvent(false);
var task = Task.Factory.StartNew(() =>
{
var data = LocalCallContextData.GetData(SlotName);
dataAccessible = data != null;
resetEvent.Set();
});
// check if ordinal call context data is accessible
task.Wait();
Assert.IsTrue(dataAccessible);
}
public void LocalCallContextDataFlowsWithExecutionContextInDeledateBeginInvoke()
{
const string SlotName = "Hello5";
LocalCallContextData.SetData(SlotName, "World");
var dataAccessible = false;
var action = new Action(() =>
{
var data = LocalCallContextData.GetData(SlotName);
dataAccessible = data != null;
});
// check if ordinal call context data is accessible
var result = action.BeginInvoke(null, null);
result.AsyncWaitHandle.WaitOne();
Assert.IsTrue(dataAccessible);
}
/// <summary>
/// Returns a channel message sink that delivers messages to the specified URL or channel data object.
/// </summary>
/// <param name="url">The URL to which the new sink will deliver messages. Can be null.</param>
/// <param name="remoteChannelData">The channel data object of the remote host to which the new sink will deliver messages. Can be null.</param>
/// <param name="objectURI">When this method returns, contains a URI of the new channel message sink that delivers messages to the specified URL or channel data object. This parameter is passed uninitialized.</param>
/// <returns>
/// A channel message sink that delivers messages to the specified URL or channel data object, or null if the channel cannot connect to the given endpoint.
/// </returns>
/// <exception cref="T:System.Security.SecurityException">The immediate caller does not have infrastructure permission. </exception>
public IMessageSink CreateMessageSink(string url, object remoteChannelData, out string objectURI)
{
objectURI = null;
if (url == null)
{
var channelData = remoteChannelData as TcpExChannelData;
if (channelData == null)
{
// unsupported ChannelData object
return(null);
}
var connections = Connection.GetRunningConnectionsOfChannel(this);
if (connections.All(c => c.RemoteChannelID != channelData.ChannelID))
{
// unknown channel identity
return(null);
}
// known channel is establishing back connection to us
url = Manager.CreateUrl(LocalCallContextData.GetData("RemoteChannelID", channelData.ChannelID));
}
if (Manager.Parse(url, out objectURI) != null)
{
IClientChannelSink clientChannelSink = clientSinkProvider.CreateSink(this, url, remoteChannelData);
IMessageSink messageSink = clientChannelSink as IMessageSink;
if (clientChannelSink != null && messageSink == null)
{
throw new RemotingException(LanguageResource.RemotingException_MessageSinkNotSet);
}
return(messageSink);
}
else
{
// unsupported URL format
return(null);
}
}
public void LocalCallContextDataFlowsWithExecutionContextInThreadStart()
{
const string SlotName = "Hello7";
LocalCallContextData.SetData(SlotName, "World");
var dataAccessible = false;
var resetEvent = new ManualResetEvent(false);
var thread = new Thread(x =>
{
var data = LocalCallContextData.GetData(SlotName);
dataAccessible = data != null;
resetEvent.Set();
});
// check if ordinal call context data is accessible
thread.Start();
resetEvent.WaitOne();
Assert.IsTrue(dataAccessible);
}
public void LocalCallContextDataDoestnLeaveApplicationDomain()
{
var domainSetup = new AppDomainSetup {
ApplicationBase = AppDomain.CurrentDomain.BaseDirectory
};
var otherDomain = AppDomain.CreateDomain("Sandbox", null, domainSetup);
otherDomain.Load(typeof(ZyanConnection).Assembly.GetName());
otherDomain.Load(typeof(LocalCallContextDataTests).Assembly.GetName());
try
{
const string SlotName = "Hello9";
LocalCallContextData.SetData(SlotName, "World");
var dataAccessible = LocalCallContextData.GetData(SlotName) != null;
Assert.IsTrue(dataAccessible);
otherDomain.DoCallBack(() =>
{
var data = LocalCallContextData.GetData(SlotName);
var accessible = data != null;
AppDomain.CurrentDomain.SetData(SlotName, accessible);
});
// check if ordinal call context data is not accessible
dataAccessible = (bool)otherDomain.GetData(SlotName);
Assert.IsFalse(dataAccessible);
// check if the callback doesn't wipe out the data
dataAccessible = LocalCallContextData.GetData(SlotName) != null;
Assert.IsTrue(dataAccessible);
}
finally
{
AppDomain.Unload(otherDomain);
}
}
