public void FromVersioned()
{
var input = new VersionedChannelInformation
{
ProtocolVersion = new Version(1, 2, 3, 4),
Address = new Uri("http://localhost/invalid")
};
var output = ChannelInformationToTransportConverter.FromVersioned(input);
Assert.AreSame(input.ProtocolVersion, output.Version);
Assert.AreSame(input.Address, output.MessageAddress);
}
/// <summary>
/// Returns channel information obtained from a specific versioned discovery channel.
/// </summary>
/// <param name="versionSpecificDiscoveryAddress">The address of the versioned discovery channel.</param>
/// <returns>The information describing the protocol channel used by the remote endpoint.</returns>
public ProtocolInformation FromUri(Uri versionSpecificDiscoveryAddress)
{
var factory = CreateFactoryForDiscoveryChannel(versionSpecificDiscoveryAddress);
var service = factory.CreateChannel();
var channel = (IChannel)service;
try
{
var serviceVersion = service.Version();
if (serviceVersion != DiscoveryVersions.V1)
{
throw new IncorrectTranslatorVersionException();
}
var versions = service.ProtocolVersions();
var intersection = versions
.Intersect(m_ProtocolVersions)
.OrderByDescending(v => v);
if (!intersection.Any())
{
return(null);
}
var highestVersion = intersection.First();
var localInfo = service.ConnectionInformationForProtocol(highestVersion);
return(ChannelInformationToTransportConverter.FromVersioned(localInfo));
}
catch (FaultException e)
{
m_Diagnostics.Log(
LevelToLog.Warn,
CommunicationConstants.DefaultLogTextPrefix,
string.Format(
CultureInfo.InvariantCulture,
Resources.Log_Messages_DiscoveryFailedToConnectToEndpoint_WithUriAndError,
versionSpecificDiscoveryAddress,
e));
}
catch (CommunicationException e)
{
m_Diagnostics.Log(
LevelToLog.Warn,
CommunicationConstants.DefaultLogTextPrefix,
string.Format(
CultureInfo.InvariantCulture,
Resources.Log_Messages_DiscoveryFailedToConnectToEndpoint_WithUriAndError,
versionSpecificDiscoveryAddress,
e));
}
finally
{
try
{
channel.Close();
}
catch (CommunicationObjectFaultedException e)
{
// The default close timeout elapsed before we were
// finished closing the channel. So the channel
// is aborted. Nothing we can do, just ignore it.
m_Diagnostics.Log(
LevelToLog.Debug,
CommunicationConstants.DefaultLogTextPrefix,
string.Format(
CultureInfo.InvariantCulture,
"Channel for {0} failed to close normally. Exception was: {1}",
factory.Endpoint.Address.Uri,
e));
}
catch (ProtocolException e)
{
// The default close timeout elapsed before we were
// finished closing the channel. So the channel
// is aborted. Nothing we can do, just ignore it.
m_Diagnostics.Log(
LevelToLog.Debug,
CommunicationConstants.DefaultLogTextPrefix,
string.Format(
CultureInfo.InvariantCulture,
"Channel for {0} failed to close normally. Exception was: {1}",
factory.Endpoint.Address.Uri,
e));
}
catch (CommunicationObjectAbortedException e)
{
// The default close timeout elapsed before we were
// finished closing the channel. So the channel
// is aborted. Nothing we can do, just ignore it.
m_Diagnostics.Log(
LevelToLog.Debug,
CommunicationConstants.DefaultLogTextPrefix,
string.Format(
CultureInfo.InvariantCulture,
"Channel for {0} failed to close normally. Exception was: {1}",
factory.Endpoint.Address.Uri,
e));
}
catch (TimeoutException e)
{
// The default close timeout elapsed before we were
// finished closing the channel. So the channel
// is aborted. Nothing we can do, just ignore it.
m_Diagnostics.Log(
LevelToLog.Debug,
CommunicationConstants.DefaultLogTextPrefix,
string.Format(
CultureInfo.InvariantCulture,
"Channel for {0} failed to close normally. Exception was: {1}",
factory.Endpoint.Address.Uri,
e));
}
}
return(null);
}
public void FromVersionedWithNullObject()
{
Assert.Throws <ArgumentNullException>(() => ChannelInformationToTransportConverter.FromVersioned(null));
}