/// <summary>
/// Constructor.
/// </summary>
/// <param name="settings">The message queue cluster settings.</param>
/// <param name="username">Optional username (overrides <see cref="HiveMQSettings.Username"/>).</param>
/// <param name="password">Optional password (overrides <see cref="HiveMQSettings.Password"/>).</param>
/// <param name="virtualHost">Optional target virtual host (overrides <see cref="HiveMQSettings.VirtualHost"/>).</param>
public HiveBus(HiveMQSettings settings, string username = null, string password = null, string virtualHost = null)
{
Covenant.Requires <ArgumentNullException>(settings != null);
var busSettings = new EasyBusSettings()
{
Client = clientVersion
};
this.EasyBus = settings.ConnectEasyNetQ(username, password, virtualHost, busSettings);
}
/// <summary>
/// Returns an <see cref="HiveBus"/> instance that provides more advanced
/// capabilites over the very simple <b>EasyNetQ</b> capabilities returned by
/// <see cref="ConnectEasyNetQ(string, string, string, EasyBusSettings, Action{IServiceRegister})"/>
/// while still being very easy to use.
/// </summary>
/// <param name="username">Optional username (overrides <see cref="Username"/>).</param>
/// <param name="password">Optional password (overrides <see cref="Password"/>).</param>
/// <param name="virtualHost">Optional target virtual host (overrides <see cref="VirtualHost"/>).</param>
/// <param name="settings">Optional message bus client settings.</param>
/// <returns></returns>
public HiveBus ConnectHiveBus(
string username = null,
string password = null,
string virtualHost = null,
EasyBusSettings settings = null)
{
username = username ?? Username;
password = password ?? Password;
virtualHost = virtualHost ?? VirtualHost;
if (string.IsNullOrEmpty(username))
{
throw new ArgumentNullException($"[{nameof(username)}] is required.");
}
if (string.IsNullOrEmpty(password))
{
throw new ArgumentNullException($"[{nameof(password)}] is required.");
}
return(new HiveBus(this, username, password, virtualHost));
}
/// <summary>
/// Returns an EasyNetQ <see cref="IBus"/> connection to a RabbitMQ cluster.
/// </summary>
/// <param name="username">Optional username (overrides <see cref="Username"/>).</param>
/// <param name="password">Optional password (overrides <see cref="Password"/>).</param>
/// <param name="virtualHost">Optional target virtual host (defaults to <b>"/"</b>).</param>
/// <param name="busSettings">Optional message bus client settings.</param>
/// <param name="customServiceAction">
/// Optionally specifies an action that overrides the default the EasyNetQ
/// client configuration via dependency injection.
/// </param>
/// <returns>The connected <see cref="IBus"/>.</returns>
public IBus ConnectEasyNetQ(
string username = null,
string password = null,
string virtualHost = "/",
EasyBusSettings busSettings = null,
Action <IServiceRegister> customServiceAction = null)
{
Covenant.Requires <NotImplementedException>(!TlsEnabled, "$todo(jeff.lill): We don't support RabbitMQ TLS yet.");
var config = new ConnectionConfiguration()
{
Port = (ushort)AmqpPort,
UserName = username ?? Username,
Password = password ?? Password,
VirtualHost = virtualHost
};
if (busSettings != null)
{
busSettings.ApplyTo(config);
}
if (string.IsNullOrEmpty(config.UserName))
{
throw new ArgumentNullException($"[{nameof(username)}] is required.");
}
if (string.IsNullOrEmpty(config.Password))
{
throw new ArgumentNullException($"[{nameof(password)}] is required.");
}
var hostConfigs = new List <HostConfiguration>();
foreach (var host in AmqpHosts)
{
hostConfigs.Add(new HostConfiguration()
{
Host = host, Port = (ushort)AmqpPort
});
}
config.Hosts = hostConfigs;
// Enable Neon based logging if requested (which is the default).
if (NeonLog)
{
// Generate a reasonable [sourceModule] setting.
var sourceModule = "EasyNetQ";
var product = busSettings?.Product ?? string.Empty;
var appName = busSettings?.Name ?? string.Empty;
if (!string.IsNullOrEmpty(product) || !string.IsNullOrEmpty(appName))
{
if (string.IsNullOrEmpty(product))
{
sourceModule = appName;
}
else if (string.IsNullOrEmpty(appName))
{
sourceModule = product;
}
else if (product != appName)
{
sourceModule = $"{product}/{appName}";
}
else
{
sourceModule = appName;
}
}
else
{
// We're going to try to default to the current executable name
// for the source module. Note that it's possible that we can't
// obtain this name in some situations, e.g. when running
// on Integration Services Package (SSIS). In those cases,
// this will default to "EasyNetQ".
var appPath = Environment.GetCommandLineArgs()[0];
if (!string.IsNullOrWhiteSpace(appPath))
{
sourceModule = Path.GetFileNameWithoutExtension(appPath);
}
}
var neonLogger = LogManager.Default.GetLogger(sourceModule);
var neonLogProvider = new HiveEasyMQLogProvider(neonLogger);
LogProvider.SetCurrentLogProvider(neonLogProvider);
}
if (customServiceAction == null)
{
// Use a NOP service action.
customServiceAction = r => { };
}
var bus = RabbitHutch.CreateBus(config, customServiceAction);
if (!bus.IsConnected)
{
bus.Dispose();
throw new Exception("Cannot to connect to RabbitMQ.");
}
return(bus);
}
