static void CloseLink(RequestResponseAmqpLink link)
{
AmqpSession session = link.SendingLink?.Session;
link.Abort();
session?.SafeClose();
}
/// <summary>
/// Opens a <see cref="AmqpSession"/> in the connection.
/// </summary>
/// <param name="sessionSettings">The session settings.</param>
/// <returns>A task that returns an AmqpSession on completion.</returns>
public async Task <AmqpSession> OpenSessionAsync(AmqpSessionSettings sessionSettings)
{
AmqpSession session = this.CreateSession(sessionSettings);
try
{
await session.OpenAsync().ConfigureAwait(false);
return(session);
}
catch
{
session.SafeClose();
throw;
}
}
async Task <RequestResponseAmqpLink> CreateCbsLinkAsync(TimeSpan timeout)
{
string address = CbsConstants.CbsAddress;
TimeoutHelper timeoutHelper = new TimeoutHelper(timeout);
AmqpSession session = null;
RequestResponseAmqpLink link = null;
Exception lastException = null;
while (timeoutHelper.RemainingTime() > TimeSpan.Zero)
{
try
{
AmqpSessionSettings sessionSettings = new AmqpSessionSettings()
{
Properties = new Fields()
};
session = this.connection.CreateSession(sessionSettings);
await session.OpenAsync(timeoutHelper.RemainingTime()).ConfigureAwait(false);
Fields properties = new Fields();
properties.Add(CbsConstants.TimeoutName, (uint)timeoutHelper.RemainingTime().TotalMilliseconds);
link = new RequestResponseAmqpLink("cbs", session, address, properties);
await link.OpenAsync(timeoutHelper.RemainingTime()).ConfigureAwait(false);
AmqpTrace.Provider.AmqpOpenEntitySucceeded(this, link.Name, address);
return(link);
}
catch (Exception exception)
{
if (this.connection.IsClosing())
{
throw new OperationCanceledException("Connection is closing or closed.", exception);
}
lastException = exception;
AmqpTrace.Provider.AmqpOpenEntityFailed(this, this.GetType().Name, address, exception);
}
await Task.Delay(1000).ConfigureAwait(false);
}
link?.Abort();
session?.SafeClose();
throw new TimeoutException(AmqpResources.GetString(AmqpResources.AmqpTimeout, timeout, address), lastException);
}