public override string ToString()
{
if (id == NodeType.HostComputer)
{
return(hs.ToString());
}
if (id == NodeType.VirtualMachines)
{
return(vs.ToString());
}
return("");
}
private void GetState()
{
this.LogTaskMessage(string.Format(CultureInfo.CurrentCulture, "Getting Host Instance: {0} state on: {1}", this.HostName, this.MachineName));
if (!this.GetHostInstanceByHostName())
{
return;
}
HostState s = (HostState)Convert.ToInt32(this.hostInstance["ServiceState"], CultureInfo.InvariantCulture);
this.State = s.ToString();
}
private bool CheckExists()
{
this.LogTaskMessage(MessageImportance.Low, string.Format(CultureInfo.CurrentCulture, "Checking whether Host Instance exists: {0}", this.HostName));
this.GetHostInstanceByHostName();
if (this.hostInstance != null)
{
this.Exists = true;
HostState s = (HostState)Convert.ToInt32(this.hostInstance["ServiceState"], CultureInfo.InvariantCulture);
this.State = s.ToString();
return(true);
}
return(false);
}
// stops component and message publisher
public async Task <IComponentHostServiceResponse> StopAsync()
{
var response = new ComponentHostServiceResponse();
using (_logger.BeginScope("{Correlation}", HostInstanceId))
{
if (HostState == HostState.Started)
{
try
{
// component is not null
// stop component first then message publisher
// this way we publish any remaining messages
if (!(Component is null))
{
await Component.StopAsync(CancellationToken.None);
}
// message publisher is not null
// stop message publisher after component
// this way if message publishers have
// any items in queue they can push them through
// in their stop method
if (!(MessagePublisher is null))
{
await MessagePublisher.StopAsync(CancellationToken.None);
}
HostState = HostState.Stopped;
}
catch (Exception e)
{
string message = "Failed to Stop members";
_logger.LogError(e, "{Message} {@ObjectProperties}", message, ComponentConfiguration);
HostState = HostState.Errored;
response.Set(MemberState.Error, message);
}
}
else if (HostState != HostState.Stopped)
{
response.Set(MemberState.Error, $"Cannont Stop host when in {HostState.ToString()} state");
}
_logger.LogInformation("{Message} {@ObjectProperties}", $"Stop request processed -- response: {response.State}", response);
}
return(response);
}
