private async Task CheckIpAsync(CancellationToken token)
{
if (token.IsCancellationRequested)
{
return;
}
try
{
Logger.LogTrace("Checking external IP at Ipfy.");
var ip = await _httpClient.GetStringAsync(_url);
Logger.LogTrace($"Received IP string is: {ip}.");
var msg = new IpAddressDiscoveredEvent(IPAddress.Parse(ip));
if (token.IsCancellationRequested)
{
return;
}
await Publisher.PublishAsync(msg);
}
catch (Exception ex)
{
Logger.LogError(ex, $"Failed to check IP at Ipfy: {ex.Message}");
}
}
public async ValueTask HandleAsync(IpAddressDiscoveredEvent evt)
{
var oldValue = Interlocked.CompareExchange(ref _currentIpAddress, evt.IpAddress, evt.IpAddress);
if (Equals(_currentIpAddress, oldValue))
{
return;
}
var message = new IpAddressChangedEvent(oldValue, evt.IpAddress);
await _provider.Value.UpdateDnsAsync(message);
}
public async Task PublishAsync(IpAddressDiscoveredEvent evt)
{
await Task.CompletedTask;
}
