/// <summary>
/// This factory method initializes the ConnectionMonitor single instance adding networks acording to the
/// native Connection Manager API and connections from the supplied configuration section
/// name.
/// </summary>
/// <param name="sectionName">
/// Name of the section in the configuration file (App.config), wich contains the different
/// types of connection
/// </param>
/// <returns>The <see cref="ConnectionMonitor"/> instance.</returns>
public static ConnectionMonitor CreateFromConfiguration(string sectionName)
{
lock (_syncObject)
{
if (_instance == null)
{
ConnectionSettingsSection configuration = ConfigurationManager.GetSection(sectionName) as ConnectionSettingsSection;
NetworkCollection networks = null;
if (configuration != null)
{
// Create the strategy for network detection
if (!String.IsNullOrEmpty(configuration.Networks.StrategyType))
{
Type strategyType = Type.GetType(configuration.Networks.StrategyType);
INetworkStatusStrategy statusService = (INetworkStatusStrategy)Activator.CreateInstance(strategyType);
networks = new NetworkCollection(statusService);
}
else
{
networks = new NetworkCollection();
}
foreach (NetworkElement networkConfig in configuration.Networks)
{
networks.Add(new Network(networkConfig.Name, networkConfig.Address));
}
ConnectionCollection connections = new ConnectionCollection();
foreach (ConnectionItemElement itemConnection in configuration.Connections)
{
connections.Add(ConnectionFactory.CreateConnection(itemConnection.Type, itemConnection.Price));
}
_instance = new ConnectionMonitor(connections, networks);
}
else
{
_instance = new ConnectionMonitor();
}
if (_instance.Connections.Count == 0)
{
_instance.Connections.Add(new NicConnection("NicConnection", 0));
}
}
}
return(_instance);
}
/// <summary>
/// Initializes a new instance using the specified <see cref="ConnectionCollection"/> and
/// <see cref="NetworkCollection"/>.
/// </summary>
/// <param name="connections"></param>
/// <param name="networks"></param>
public ConnectionMonitor(ConnectionCollection connections, NetworkCollection networks)
{
this.connections = connections;
this.networks = networks;
if (this.connections.Count > 0)
{
foreach (Connection conn in this.connections)
{
conn.StateChanged += OnStateChanged;
}
}
this.connections.ConnectionAdded += OnConnectionAdded;
this.connections.ConnectionRemoved += OnConnectionRemoved;
}
