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// --------------------------------------------------------------------------------------------------------------------
// <copyright file="ServerService.cs" company="HandBrake Project (http://handbrake.fr)">
// This file is part of the HandBrake source code - It may be used under the terms of the GNU General Public License.
// </copyright>
// <summary>
// HandBrake WCF Service
// </summary>
// --------------------------------------------------------------------------------------------------------------------
namespace HandBrake.ApplicationServices.Services
{
using System;
using System.Collections.Generic;
using System.Runtime.Serialization;
using System.ServiceModel;
using System.Windows;
using HandBrake.ApplicationServices.EventArgs;
using HandBrake.ApplicationServices.Parsing;
using HandBrake.ApplicationServices.Services.Interfaces;
/// <summary>
/// HandBrake WCF Service
/// </summary>
[ServiceBehavior(InstanceContextMode = InstanceContextMode.PerCall, IncludeExceptionDetailInFaults = true, ConcurrencyMode = ConcurrencyMode.Single)]
public class ServerService : IServerService
{
#region Constants and Fields
/// <summary>
/// List of connected Clients. For now, this should only be one.
/// </summary>
private static readonly List<IHbServiceCallback> Subscribers = new List<IHbServiceCallback>();
/// <summary>
/// The scan service.
/// </summary>
private static IScan scanService;
/// <summary>
/// The host.
/// </summary>
private ServiceHost host;
#endregion
#region Implemented Interfaces
#region IServerService
/// <summary>
/// The scan source.
/// </summary>
/// <param name="path">
/// The path.
/// </param>
/// <param name="title">
/// The title.
/// </param>
/// <param name="previewCount">
/// The preview Count.
/// </param>
public void ScanSource(string path, int title, int previewCount)
{
Console.WriteLine("Starting Source Scan for: " + path);
scanService.ScanStared += this.ScanStaredHandler;
scanService.ScanStatusChanged += this.ScanStatusChangedHandler;
scanService.ScanCompleted += this.ScanCompletedHandler;
scanService.Scan(path, title, previewCount, null);
}
/// <summary>
/// Gets the activity log.
/// </summary>
[DataMember]
public string ActivityLog
{
get
{
return scanService.ActivityLog;
}
}
/// <summary>
/// Gets the souce data.
/// </summary>
[DataMember]
public Source SouceData
{
get
{
return scanService.SouceData;
}
}
/// <summary>
/// Gets a value indicating whether is scanning.
/// </summary>
[DataMember]
public bool IsScanning
{
get
{
return scanService.IsScanning;
}
}
/// <summary>
/// Start the service
/// </summary>
public void Start()
{
using (this.host = new ServiceHost(typeof(ServerService), new Uri("net.tcp://localhost:8000")))
{
// Setup a listener
this.host.AddServiceEndpoint(typeof(IServerService), new NetTcpBinding(), "IHbService");
this.host.Open();
Console.WriteLine("::: HandBrake Server :::");
Console.WriteLine("Service Started");
// Setup the services we are going to use.
scanService = new ScanService(new UserSettingService());
Console.ReadLine();
}
}
/// <summary>
/// Stop this service
/// </summary>
public void Stop()
{
if (this.host != null)
{
this.host.Close();
Application.Current.Shutdown();
}
}
/// <summary>
/// Stop the scan.
/// </summary>
public void StopScan()
{
scanService.Stop();
}
/// <summary>
/// The subscribe.
/// </summary>
/// <returns>
/// The System.Boolean.
/// </returns>
public bool Subscribe()
{
try
{
// Get the hashCode of the connecting app and store it as a connection
var callback = OperationContext.Current.GetCallbackChannel<IHbServiceCallback>();
if (!Subscribers.Contains(callback))
{
Console.WriteLine("Client Connected");
Subscribers.Add(callback);
}
return true;
}
catch (Exception e)
{
Console.WriteLine(e.Message);
return false;
}
}
/// <summary>
/// The unsubscribe.
/// </summary>
/// <returns>
/// The System.Boolean.
/// </returns>
public bool Unsubscribe()
{
try
{
var callback = OperationContext.Current.GetCallbackChannel<IHbServiceCallback>();
if (Subscribers.Contains(callback))
{
Subscribers.Remove(callback);
if (Subscribers.Count == 0)
{
Console.WriteLine("Client Disconnected, Shutting down...");
// Shutdown the service. We no longer have any clients to serve.
// It is the responsibility of the UI to maintain a subscription while this service is in use.
this.Stop();
}
}
return true;
}
catch
{
return false;
}
}
#endregion
#endregion
#region Methods
/// <summary>
/// The scan service scan completed event handler
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The e.
/// </param>
private void ScanCompletedHandler(object sender, ScanCompletedEventArgs e)
{
Subscribers.ForEach(
delegate(IHbServiceCallback callback)
{
if (((ICommunicationObject)callback).State == CommunicationState.Opened)
{
Console.WriteLine("Scan Completed Callback");
callback.ScanCompletedCallback(e);
}
else
{
Subscribers.Remove(callback);
}
});
scanService.ScanStared -= this.ScanStaredHandler;
scanService.ScanStatusChanged -= this.ScanStatusChangedHandler;
scanService.ScanCompleted -= this.ScanCompletedHandler;
}
/// <summary>
/// The scan service scan stared.
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The e.
/// </param>
private void ScanStaredHandler(object sender, EventArgs e)
{
Subscribers.ForEach(
delegate(IHbServiceCallback callback)
{
if (((ICommunicationObject)callback).State == CommunicationState.Opened)
{
Console.WriteLine("Scan Started Callback");
callback.ScanStartedCallback();
}
else
{
Subscribers.Remove(callback);
}
});
}
/// <summary>
/// The scan service scan status changed event handler
/// </summary>
/// <param name="sender">
/// The sender.
/// </param>
/// <param name="e">
/// The e.
/// </param>
private void ScanStatusChangedHandler(object sender, ScanProgressEventArgs e)
{
Subscribers.ForEach(
delegate(IHbServiceCallback callback)
{
if (((ICommunicationObject)callback).State == CommunicationState.Opened)
{
Console.WriteLine("Scan Changed Callback");
callback.ScanProgressCallback(e);
}
else
{
Subscribers.Remove(callback);
}
});
}
#endregion
}
}
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