/// <summary>
/// Builds a <see cref="ClientChannel"/> instance and establish the session using the builder options.
/// </summary>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns></returns>
public async Task <IClientChannel> BuildAndEstablishAsync(CancellationToken cancellationToken)
{
var clientChannel = await ChannelBuilder
.BuildAsync(cancellationToken)
.ConfigureAwait(false);
try
{
Session session;
using (var cancellationTokenSource = new CancellationTokenSource(EstablishmentTimeout))
{
using (var linkedCts = CancellationTokenSource.CreateLinkedTokenSource(cancellationTokenSource.Token, cancellationToken))
{
session = await clientChannel.EstablishSessionAsync(
_compressionSelector,
_encryptionSelector,
Identity,
_authenticator,
Instance,
linkedCts.Token)
.ConfigureAwait(false);
}
}
if (session.State != SessionState.Established)
{
var reason = session.Reason ?? new Reason()
{
Code = ReasonCodes.GENERAL_ERROR,
Description = "Could not establish the session for an unknown reason"
};
throw new LimeException(reason);
}
foreach (var handler in _establishedHandlers.ToList())
{
cancellationToken.ThrowIfCancellationRequested();
await handler(clientChannel, cancellationToken).ConfigureAwait(false);
}
}
catch
{
clientChannel.DisposeIfDisposable();
throw;
}
return(clientChannel);
}
