/// <summary>
/// I return a singleton instance of a Pacemaker that can be accessed throughout the application. Key is host, port, and clientType.
/// </summary>
/// <see cref="Pacemaker"/>
/// <param name="host">Sensu host address</param>
/// <param name="port">Sensu port</param>
/// <param name="clientType">Sensu client</param>
/// <see cref="ClientType"/>
/// <seealso cref="SensuUdpClient"/>
/// <seealso cref="SensuTcpClient"/>
/// <param name="enrichers">An array of ISensuEnricher that enrich all heartbeats sent</param>
/// <seealso cref="ISensuEnricher"/>
/// <returns></returns>
public static Pacemaker Get(string host, int port, ClientType clientType = ClientType.Udp, params ISensuEnricher[] enrichers)
{
if (string.IsNullOrEmpty(host))
{
throw new ArgumentNullException(nameof(host));
}
var key = new Tuple <string, int, ClientType>(host, port, clientType);
lock (Locker)
{
if (!PaceMakers.ContainsKey(key))
{
Func <ISensuClient> udp = () => new SensuUdpClient(host, port);
Func <ISensuClient> tcp = () => new SensuTcpClient(host, port);
ISensuClient client = clientType == ClientType.Udp ? udp() : tcp();
foreach (var sensuEnricher in enrichers)
{
client.EnrichWith(sensuEnricher);
}
PaceMakers.Add(key, new Pacemaker(client));
}
}
return(PaceMakers[key]);
}
/// <summary>
/// Constructor for Pacemaker
/// </summary>
/// <param name="client">The Sensu client used to send the hearbeat</param>
public Pacemaker(ISensuClient client)
{
if (client == null)
{
throw new ArgumentNullException(nameof(client));
}
Client = client;
_tokenSource = new CancellationTokenSource();
}
private static ISensuClient Client()
{
ISensuClient client = null;
if (_type == ClientType.Udp)
{
client = new SensuUdpClient(_host, _port);
}
else
{
client = new SensuTcpClient(_host, _port);
}
client.EnrichWith(new HostInfoEnricher());
client.EnrichWith(new AssemblyInfoEnricher());
return(client);
}
/// <summary>
/// Constructor for SensuMonitor
/// </summary>
/// <param name="sensuClient">The client used to send messages to Sensu</param>
/// <see cref="SensuClientBase"/>
/// <seealso cref="SensuUdpClient"/>
/// <seealso cref="SensuTcpClient"/>
/// <param name="appName">The name of the application being monitored</param>
public SensuMonitor(ISensuClient sensuClient, string appName)
{
_sensuClient = sensuClient;
_appName = appName;
_sensuClient.Connect();
}
