/// <inheritdoc />
public override void UpdateChannelState(ChannelState state)
{
if (state.Status.StatusCode != StatusCode.OK)
{
ResolverError(state.Status);
return;
}
if (state.Addresses == null || state.Addresses.Count == 0)
{
ResolverError(new Status(StatusCode.Unavailable, "Resolver returned no addresses."));
return;
}
if (_subchannel == null)
{
try
{
_subchannel = _controller.CreateSubchannel(new SubchannelOptions(state.Addresses));
_subchannel.OnStateChanged(s => UpdateSubchannelState(_subchannel, s));
}
catch (Exception ex)
{
var picker = new ErrorPicker(new Status(StatusCode.Unavailable, "Error creating subchannel.", ex));
_controller.UpdateState(new BalancerState(ConnectivityState.TransientFailure, picker));
throw;
}
_controller.UpdateState(new BalancerState(ConnectivityState.Idle, EmptyPicker.Instance));
_subchannel.RequestConnection();
}
else
{
_subchannel.UpdateAddresses(state.Addresses);
}
}
public Subchannel CreateSubchannel(SubchannelOptions options)
{
var subchannel = _controller.CreateSubchannel(options);
subchannel.OnStateChanged(s => OnSubchannelStateChanged(subchannel, s));
_subchannels.Add(subchannel);
NotifySubscribers();
return(subchannel);
}
public Subchannel CreateSubchannel(SubchannelOptions options)
{
var subchannel = _controller.CreateSubchannel(options);
subchannel.OnStateChanged(s => OnSubchannelStateChanged(subchannel, s));
_subchannels.Add(new ReportedSubchannelState(subchannel, ConnectivityState.Idle));
NotifySubscribers();
return(subchannel);
}