public Task StartAsync <TContext>(IHttpApplication <TContext> application, CancellationToken cancellationToken)
{
if (application == null)
{
throw new ArgumentNullException(nameof(application));
}
var hostingUrlsPresent = _serverAddresses.Addresses.Count > 0;
if (_serverAddresses.PreferHostingUrls && hostingUrlsPresent)
{
if (_options.UrlPrefixes.Count > 0)
{
LogHelper.LogWarning(_logger, $"Overriding endpoints added to {nameof(AzureRelayOptions.UrlPrefixes)} since {nameof(IServerAddressesFeature.PreferHostingUrls)} is set to true." +
$" Binding to address(es) '{string.Join(", ", _serverAddresses.Addresses)}' instead. ");
Listener.Options.UrlPrefixes.Clear();
}
foreach (var value in _serverAddresses.Addresses)
{
Listener.Options.UrlPrefixes.Add(UrlPrefix.Create(value));
}
}
else if (_options.UrlPrefixes.Count > 0)
{
if (hostingUrlsPresent)
{
LogHelper.LogWarning(_logger, $"Overriding address(es) '{string.Join(", ", _serverAddresses.Addresses)}'. " +
$"Binding to endpoints added to {nameof(AzureRelayOptions.UrlPrefixes)} instead.");
_serverAddresses.Addresses.Clear();
}
foreach (var prefix in _options.UrlPrefixes)
{
_serverAddresses.Addresses.Add(prefix.FullPrefix);
}
}
else if (hostingUrlsPresent)
{
foreach (var value in _serverAddresses.Addresses)
{
Listener.Options.UrlPrefixes.Add(UrlPrefix.Create(value));
}
}
else
{
LogHelper.LogDebug(_logger, $"No listening endpoints were configured.");
throw new InvalidOperationException("No listening endpoints were configured.");
}
// Can't call Start twice
Contract.Assert(_application == null);
Contract.Assert(application != null);
_application = new ApplicationWrapper <TContext>(application);
Listener.Start();
return(Task.CompletedTask);
}