public GrpcClientProvider(IServiceProvider serviceProvider,
IOptionsMonitor <GrpcClientFactoryOptions> clientFactoryOptionsMonitor,
IGrpcServiceAddressResolver <TClient> resolver)
{
_serviceProvider = serviceProvider;
_clientFactoryOptionsMonitor = clientFactoryOptionsMonitor;
_resolver = resolver;
_resolver.OnChange += (_, _) => OnChange();
CurrentAddress = _resolver.GetAddress();
}
public Task <HealthCheckResult> CheckHealthAsync(HealthCheckContext context,
CancellationToken cancellationToken = new CancellationToken())
{
HealthCheckResult result;
var uri = _resolver.GetAddress();
if (uri != null)
{
result = HealthCheckResult.Healthy();
}
else
{
result = HealthCheckResult.Unhealthy("Empty url");
}
return(Task.FromResult(result));
}
private void OnChange()
{
var options = _clientFactoryOptionsMonitor.Get(typeof(TClient).Name);
CurrentAddress = options.Address = _resolver.GetAddress();
}