public static async Task <RelayMetadata> Parse(ILogger logger, HybridConnectionListener listener)
{
var info = await listener.GetRuntimeInformationAsync(default(CancellationToken));
var entityPath = GetEntityPath(listener);
try
{
var channelFactories = new Dictionary <int, ILocalDataChannelFactory>();
var metadata = JArray.Parse(info.UserMetadata);
foreach (var item in metadata)
{
var key = item["key"].Value <string>();
if (!int.TryParse(key, out var configurationKey))
{
continue;
}
var factory = ParseEndpoint(logger, configurationKey, item["value"].Value <string>(), entityPath);
if (factory != null)
{
channelFactories[configurationKey] = factory;
}
}
if (!channelFactories.Any())
{
throw new ConfigurationErrorException($"There is no any endpoint configured for {listener.Address}");
}
return(new RelayMetadata(channelFactories));
}
catch (Exception e) when(!(e is ConfigurationErrorException))
{
throw new ConfigurationErrorException($"Failed to parse the {listener.Address} relay user metadata", e);
}
}