/// <summary>
/// Creates a new RemoteHostPool using the specified system name and liveliness checker.
/// </summary>
/// <param name="reachabilityChecker">A delegate that checks if a given host is reachable or not. Used for background checks of unreachable hosts.
/// Should return true if the host is reachable, or false if it is unreachable. It should not throw an exception.</param>
/// <param name="log">An implementation of <see cref="ILog"/> used for logging.</param>
public RemoteHostPool(
DeploymentIdentifier deploymentIdentifier
, IServiceDiscoverySource discovery
, ReachabilityChecker reachabilityChecker
, Func <DiscoveryConfig> getDiscoveryConfig
, ILog log
, HealthMonitor healthMonitor
, MetricsContext metrics
)
{
DiscoverySource = discovery;
DeploymentIdentifier = deploymentIdentifier;
ReachabilityChecker = reachabilityChecker;
GetDiscoveryConfig = getDiscoveryConfig;
Log = log;
ReachabilityBroadcaster = new BroadcastBlock <ServiceReachabilityStatus>(null);
Health = healthMonitor.Get(discovery.Deployment);
Health.SetHealthData(HealthData);
ReachableHosts = new List <RemoteHost>();
UnreachableHosts = new List <RemoteHost>();
EndPointsChangedBlockLink = discovery.EndPointsChanged.LinkTo(new ActionBlock <EndPointsResult>(_ => ReloadEndpoints(_)));
ReloadEndpoints(discovery.Result);
Metrics = metrics;
var metricsContext = Metrics.Context(DiscoverySource.Deployment);
metricsContext.Gauge("ReachableHosts", () => ReachableHosts.Count, Unit.Custom("EndPoints"));
metricsContext.Gauge("UnreachableHosts", () => UnreachableHosts.Count, Unit.Custom("EndPoints"));
}
/// <summary>
/// Creates a new RemoteHostPool using the specified system name and liveliness checker.
/// </summary>
/// <param name="reachabilityChecker">A delegate that checks if a given host is reachable or not. Used for background checks of unreachable hosts.
/// Should return true if the host is reachable, or false if it is unreachable. It should not throw an exception.</param>
/// <param name="log">An implementation of <see cref="ILog"/> used for logging.</param>
public RemoteHostPool(
DeploymentIdentifier deploymentIdentifier
, IServiceDiscoverySource discovery
, ReachabilityChecker reachabilityChecker
, Func <DiscoveryConfig> getDiscoveryConfig
, ILog log
, HealthMonitor healthMonitor
)
{
DiscoverySource = discovery;
DeploymentIdentifier = deploymentIdentifier;
ReachabilityChecker = reachabilityChecker;
GetDiscoveryConfig = getDiscoveryConfig;
Log = log;
ReachabilityBroadcaster = new BroadcastBlock <ServiceReachabilityStatus>(null);
Health = healthMonitor.Get(discovery.Deployment);
Health.SetHealthData(HealthData);
ReachableHosts = new List <RemoteHost>();
UnreachableHosts = new List <RemoteHost>();
EndPointsChangedBlockLink = discovery.EndPointsChanged.LinkTo(new ActionBlock <EndPointsResult>(_ => ReloadEndpoints(_)));
ReloadEndpoints(discovery.Result);
}