asternet/Asterisk.2013/Asterisk.NET/Manager/Event/ManagerEvent.cs

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using System;
using System.Collections.Generic;
2014-01-08 14:16:39 +00:00
namespace AsterNET.Manager.Event
{
/// <summary>
/// Abstract base class for all Events that can be received from the Asterisk server.<br/>
/// Events contain data pertaining to an event generated from within the Asterisk
/// core or an extension module.<br/>
/// There is one conrete subclass of ManagerEvent per each supported Asterisk Event.
///
/// Channel / Privilege / UniqueId are not common to all events and should be moved to
/// derived event classes.
/// </summary>
public abstract class ManagerEvent : EventArgs, IParseSupport
{
#region Common Event Properties
/// <summary>
/// Store all unknown (without setter) keys from manager event.<br/>
/// Use in default Parse method <see cref="ManagerEvent.Parse(string, string)"/>
/// </summary>
public Dictionary<string, string> Attributes { get; set; }
/// <summary>
/// Get/Set the name of the channel.
/// </summary>
public string Channel { get; set; }
/// <summary>
/// Get/Set the point in time this event was received from the Asterisk server.<br/>
/// Pseudo events that are not directly received from the asterisk server
/// (for example ConnectEvent and DisconnectEvent) may return null.
/// </summary>
public DateTime DateReceived { get; set; }
/// <summary>
/// Get/Set the AMI authorization class of this event.<br/>
/// This is one or more of system, call, log, verbose, command, agent or user.
/// Multiple privileges are separated by comma.<br/>
/// Note: This property is not available from Asterisk 1.0 servers.
/// </summary>
public string Privilege { get; set; }
/// <summary>
/// Specify a server to which to send your commands (x.x.x.x or hostname).<br/>
/// This should match the server name specified in your config file's "host" entry.
/// If you do not specify a server, the proxy will pick the first one it finds -- fine in single-server configurations.
/// </summary>
public string Server { get; set; }
/// <summary>
/// The ManagerConnection the Event was sourced from.
/// </summary>
public ManagerConnection Source { get; set; }
/// <summary>
/// Returns the timestamp for this event.<br/>
/// The timestamp property is available in Asterisk since 1.4
/// if enabled in manager.conf by setting timestampevents = yes.
/// In contains the time the event was generated in seconds since the epoch.
/// </summary>
public double Timestamp { get; set; }
/// <summary>
/// Get/Set the unique id of the channel.
/// </summary>
public string UniqueId { get; set; }
#endregion
#region Constructors
/// <summary>
/// Creates a new ManagerEvent. Source already set.
/// </summary>
public ManagerEvent()
{
this.DateReceived = DateTime.Now;
}
/// <summary>
/// Creates a new ManagerEvent
/// </summary>
/// <param name="source">ManagerConnection passed through in the event.</param>
public ManagerEvent(ManagerConnection source)
: this()
{
this.Source = source;
}
#endregion
#region Methods
/// <summary>
/// Unknown properties parser
/// </summary>
/// <param name="key">key name</param>
/// <param name="value">key value</param>
/// <returns>true - value parsed, false - can't parse value</returns>
public virtual bool Parse(string key, string value)
{
if (Attributes == null)
{
Attributes = new Dictionary<string, string>();
}
if (Attributes.ContainsKey(key))
{
Attributes[key] += string.Concat(Common.LINE_SEPARATOR, value); // Key already presents, add with delimiter
}
else
{
Attributes.Add(key, value);
}
return true;
}
/// <summary>
/// Unknown properties parser.
/// </summary>
/// <param name="attributes">dictionary</param>
/// <returns>updated dictionary</returns>
public virtual Dictionary<string, string> ParseSpecial(Dictionary<string, string> attributes)
{
return attributes;
}
/// <summary>
/// Convert all properties to string
/// </summary>
/// <returns>All event details and properties as a string</returns>
public override string ToString()
{
return Helper.ToString(this);
}
#endregion
}
}