public ClientTcpForwarder(ILogger logger, MetricsRegistry registry, ServiceNamespaceOptions serviceNamespace, int fromPort, PortMappingOptions portMappings)
{
_log = logger.ForContext(GetType());
_firewallRules = new FirewallRules(portMappings);
_fromPort = fromPort;
_bindTo = portMappings.BindToAddress;
var metrics = new TunnelMetrics(registry, new MetricTags(
new [] { "entityPath", "fromPort" }, new [] { portMappings.EntityPath, fromPort.ToString() }));
_relayFactory = new RelayTunnelFactory(logger, metrics, serviceNamespace, portMappings);
_log.Information("TCP Forwarder for port {port} initialized", fromPort);
}
public RelayTunnelFactory(ILogger logger, TunnelMetrics metrics, ServiceNamespaceOptions serviceNamespace, PortMappingOptions portMappings)
{
_log = logger?.ForContext(GetType());
_poolLocker = new object();
_serviceNamespace = serviceNamespace;
_portMappings = portMappings;
_replacedTunnels = new ConcurrentDictionary <object, RelayTunnel>();
_tunnels = new RelayTunnel[portMappings.RelayChannelCount];
_metrics = metrics;
for (var i = 0; i < portMappings.RelayChannelCount; i++)
{
_tunnels[i] = new RelayTunnel(logger, _metrics, serviceNamespace, portMappings.EntityPath, portMappings.RemoteConfigurationKey, portMappings.RelayConnectionTtlSeconds);
}
}
public RelayTunnel(
ILogger logger, TunnelMetrics metrics,
ServiceNamespaceOptions serviceNamespace, string entityPath, int remoteConfigurationKey, int ttlSeconds)
{
if (string.IsNullOrWhiteSpace(entityPath))
{
throw new ArgumentNullException(nameof(entityPath));
}
_log = logger.ForContext(GetType());
_uplinkPumps = new ConcurrentDictionary <object, UplinkPump>();
_establishLock = new SemaphoreSlim(1, 1);
_relay = new UriBuilder("sb", serviceNamespace.ServiceNamespace, -1, entityPath).Uri;
_tokenProvider = serviceNamespace.CreateSasTokenProvider();
_ttl = TimeSpan.FromSeconds(ttlSeconds);
_tunnelPreamble = new TunnelPreamble(remoteConfigurationKey);
_canAcceptUntil = DateTime.MaxValue;
_metrics = metrics;
}
public static async Task <ServiceForwarder> Create(ILogger logger, MetricsRegistry metricsRegistry, ServiceNamespaceOptions serviceNamespace, string entityPath)
{
var forwarderIdx = Interlocked.Increment(ref _idx);
var endpointVia = new UriBuilder("sb", serviceNamespace.ServiceNamespace, -1, entityPath).Uri;
var tokenProvider = TokenProvider.CreateSharedAccessSignatureTokenProvider(serviceNamespace.AccessRuleName, serviceNamespace.AccessRuleKey);
var relayListener = new HybridConnectionListener(endpointVia, tokenProvider);
var metadata = await RelayMetadata.Parse(logger, relayListener);
return(new ServiceForwarder(logger, metricsRegistry, forwarderIdx, relayListener, metadata, entityPath));
}
