public async Task <RequestRouterConfigurationBase> GetConfigurationForRequest(HttpRequestMessage requestMessage, CancellationToken cancellationToken)
{
var configuration = await _configurationReader.GetConfiguration(cancellationToken);
var localConfigs = new List <ConfigContainer>((configuration.Config ?? new List <ConfigContainer>()).Where(i => i.Rule != null && i.Route != null));
foreach (var config in localConfigs)
{
try
{
if (await config.IsMatch(requestMessage, cancellationToken))
{
return(config.Route);
}
}
catch (Exception ex)
{
Logger.Warn($"Failed to handle a rule due to an exception, Bad configuration?", ex);
}
}
var route = localConfigs.FirstOrDefault(i => i.Default)?.Route;
if (route == null)
{
Logger.Error($"No configuration found!");
throw new NoConfigurationMatchException();
}
return(route);
}
public void Start()
{
try
{
_configurationReader.GetConfiguration(CancellationToken.None).GetAwaiter().GetResult();
}
catch (Exception ex)
{
Logger.Warn($"Failed to load configuration: {ex.Message}, Will retry automatically as requests come in", ex);
Logger.Warn("Server will return BadGateway until successful.", ex);
}
}
public Task ConfigurationChangedAsync()
{
_logger.Information($"Configuration was changed. Current values: {_configurationReader.GetConfiguration()})");
return(Task.CompletedTask);
}