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using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using Tango.BL.Enumerations;
using Tango.Console.Network;
using Tango.Core;
using Tango.Core.DI;
using Tango.FSE.BL;
using Tango.FSE.Common.Authentication;
using Tango.FSE.Common.Connection;
using Tango.FSE.Common.Console;
using Tango.FSE.Common.Notifications;
namespace Tango.FSE.UI.Console
{
/// <summary>
/// Represents the <see cref="IConsolProvider"/> default implementation.
/// </summary>
/// <seealso cref="Tango.Core.ExtendedObject" />
/// <seealso cref="Tango.FSE.Common.Console.IConsolProvider" />
[TangoCreateWhenRegistered]
public class DefaultConsoleProvider : ExtendedObject, IConsolProvider
{
private IMachineProvider MachineProvider { get; set; }
[TangoInject]
private INotificationProvider NotificationProvider { get; set; }
[TangoInject]
public IAuthenticationProvider AuthenticationProvider { get; set; }
#region Events
/// <summary>
/// Occurs when the provider has initialized and the available.
/// </summary>
public event EventHandler<GetCurrentDirectoryResponse> Initialized;
#endregion
#region Properties
/// <summary>
/// Gets the current remote directory.
/// </summary>
public string CurrentDirectory { get; private set; }
#endregion
#region Constructors
/// <summary>
/// Initializes a new instance of the <see cref="DefaultConsoleProvider"/> class.
/// </summary>
/// <param name="machineProvider">The machine provider.</param>
public DefaultConsoleProvider(IMachineProvider machineProvider)
{
MachineProvider = machineProvider;
MachineProvider.MachineConnected += MachineProvider_MachineConnected;
}
#endregion
#region Public Methods
/// <summary>
/// Executes the specified command on the remote machine PPC.
/// </summary>
/// <param name="request">The command request.</param>
/// <param name="timeout">The command timeout.</param>
/// <returns></returns>
public async Task<ConsoleCommandResponse> ExecuteCommand(ConsoleCommandRequest request, TimeSpan? timeout = null)
{
AuthenticationProvider.ThrowIfNoPermission(Permissions.FSE_ExecuteRemoteConsoleCommands);
LogManager.Log($"Executing remote console command: '{request.Command}'...");
try
{
var response = await MachineProvider.MachineOperator.SendGenericRequest<ConsoleCommandRequest, ConsoleCommandResponse>(request, new Transport.TransportRequestConfig()
{
ShouldLog = true,
Timeout = timeout
});
CurrentDirectory = response.WorkingFolder;
return response;
}
catch (Exception ex)
{
throw LogManager.Log(ex, "Error executing remote console command.");
}
}
#endregion
#region Event Handlers
private async void MachineProvider_MachineConnected(object sender, MachineConnectedEventArgs e)
{
if (MachineProvider.ConnectionType.IsRemote())
{
try
{
if (e.DifferentFromPrevious)
{
LogManager.Log("Machine connection changed. Initializing console provider...");
var response = await MachineProvider.MachineOperator.SendGenericRequest<GetCurrentDirectoryRequest, GetCurrentDirectoryResponse>(new GetCurrentDirectoryRequest(), new Transport.TransportRequestConfig() { Timeout = TimeSpan.FromSeconds(10) });
CurrentDirectory = response.CurrentDirectory;
LogManager.Log($"Default console provider initialized successfully.\nCurrent remote directory: '{CurrentDirectory}'.");
Initialized?.Invoke(this, response);
}
else
{
LogManager.Log("Machine connection changed but machine is the same. Skipping console provider initialization.");
}
}
catch (Exception ex)
{
LogManager.Log(ex, "Error getting remote machine current console directory. Console provider could not be initialized.");
NotificationProvider.PushErrorReportingSnackbar(ex, "PPC Module Error", "Could not initialize the remote command prompt console.");
}
}
}
#endregion
}
}
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