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Merged in bugfix/pdc-41 (pull request #42)

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Bugfix/pdc 41

Approved-by: Neil Dorin <ndorin@pepperdash.com>
This commit is contained in:
Neil Dorin
2020-01-29 17:23:07 +00:00
parent 4d534a6586 685f4ef463
commit 1d8ac48538
1 changed files with 127 additions and 107 deletions
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94
Pepperdash Core/Pepperdash Core/Comm/GenericSshClient.cs
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@@ -175,7 +175,6 @@ namespace PepperDash.Core
{
Debug.Console(1, this, "Program stopping. Closing connection");
Disconnect();
//Client.Dispose();
}
}
}
@@ -207,29 +206,27 @@ namespace PepperDash.Core
return;
}
// Cleanup the old client if it already exists
if (Client != null)
{
Debug.Console(1, this, "Cleaning up disconnected client");
Client.ErrorOccurred -= Client_ErrorOccurred;
KillClient(SocketStatus.SOCKET_STATUS_BROKEN_LOCALLY);
}
// This handles both password and keyboard-interactive (like on OS-X, 'nixes)
KeyboardInteractiveAuthenticationMethod kauth = new KeyboardInteractiveAuthenticationMethod(Username);
kauth.AuthenticationPrompt += new EventHandler<AuthenticationPromptEventArgs>(kauth_AuthenticationPrompt);
PasswordAuthenticationMethod pauth = new PasswordAuthenticationMethod(Username, Password);
if (Client != null)
{
Debug.Console(1, this, "Cleaning up disconnected client");
Client.ErrorOccurred -= Client_ErrorOccurred;
KillStream();
}
Debug.Console(1, this, "Creating new SshClient");
ConnectionInfo connectionInfo = new ConnectionInfo(Hostname, Port, Username, pauth, kauth);
if (Client == null)
{
Client = new SshClient(connectionInfo);
}
Client.ErrorOccurred -= Client_ErrorOccurred;
Client.ErrorOccurred += Client_ErrorOccurred;
//You can do it!
//Attempt to connect
ClientStatus = SocketStatus.SOCKET_STATUS_WAITING;
try
{
@@ -282,13 +279,21 @@ namespace PepperDash.Core
ReconnectTimer = null;
}
KillClient(SocketStatus.SOCKET_STATUS_BROKEN_LOCALLY);
}
/// <summary>
/// Kills the stream, cleans up the client and sets it to null
/// </summary>
private void KillClient(SocketStatus status)
{
KillStream();
if (Client != null)
{
Client.Disconnect();
Client = null;
ClientStatus = SocketStatus.SOCKET_STATUS_BROKEN_LOCALLY;
ClientStatus = status;
Debug.Console(1, this, "Disconnected");
}
}
@@ -298,9 +303,9 @@ namespace PepperDash.Core
/// </summary>
void HandleConnectionFailure()
{
if (Client != null)
Client.Disconnect();
KillStream();
KillClient(SocketStatus.SOCKET_STATUS_CONNECT_FAILED);
Debug.Console(2, this, "Client nulled due to connection failure. AutoReconnect: {0}, ConnectEnabled: {1}", AutoReconnect, ConnectEnabled);
if (AutoReconnect && ConnectEnabled)
{
@@ -324,24 +329,20 @@ namespace PepperDash.Core
}
}
/// <summary>
/// Kills the stream
/// </summary>
void KillStream()
{
if (TheStream != null)
{
TheStream.DataReceived -= Stream_DataReceived;
//TheStream.ErrorOccurred -= TheStream_ErrorOccurred;
TheStream.Close();
TheStream.Dispose();
TheStream = null;
}
}
//bool PropertiesHaveChanged()
//{
// return Hostname != PreviousHostname || Port != PreviousPort
// || Username != PreviousUsername || Password != PreviousPassword;
//}
/// <summary>
/// Handles the keyboard interactive authentication, should it be required.
/// </summary>
@@ -372,17 +373,6 @@ namespace PepperDash.Core
}
}
///// <summary>
///// Handler for errors on the stream...
///// </summary>
///// <param name="sender"></param>
///// <param name="e"></param>
//void TheStream_ErrorOccurred(object sender, ExceptionEventArgs e)
//{
// Debug.Console(1, this, "Unhandled SSH STREAM error: {0}", e.Exception);
// ClientStatus = SocketStatus.SOCKET_STATUS_BROKEN_REMOTELY;
// HandleConnectionFailure();
//}
/// <summary>
/// Error event handler for client events - disconnect, etc. Will forward those events via ConnectionChange
@@ -411,15 +401,18 @@ namespace PepperDash.Core
#region IBasicCommunication Members
/// <summary>
///
/// Sends text to the server
/// </summary>
/// <param name="text"></param>
public void SendText(string text)
{
try
{
if (Client != null)
{
TheStream.Write(text);
TheStream.Flush();
}
}
catch
{
@@ -429,12 +422,19 @@ namespace PepperDash.Core
}
}
/// <summary>
/// Sends Bytes to the server
/// </summary>
/// <param name="bytes"></param>
public void SendBytes(byte[] bytes)
{
try
{
if (Client != null)
{
TheStream.Write(bytes, 0, bytes.Length);
TheStream.Flush();
}
}
catch
{
@@ -454,16 +454,36 @@ namespace PepperDash.Core
/// </summary>
public class SshConnectionChangeEventArgs : EventArgs
{
/// <summary>
/// Connection State
/// </summary>
public bool IsConnected { get; private set; }
/// <summary>
/// Connection Status represented as a ushort
/// </summary>
public ushort UIsConnected { get { return (ushort)(Client.IsConnected ? 1 : 0); } }
/// <summary>
/// The client
/// </summary>
public GenericSshClient Client { get; private set; }
/// <summary>
/// Socket Status as represented by
/// </summary>
public ushort Status { get { return Client.UStatus; } }
// S+ Constructor
/// <summary>
/// S+ Constructor
/// </summary>
public SshConnectionChangeEventArgs() { }
/// <summary>
/// EventArgs class
/// </summary>
/// <param name="isConnected">Connection State</param>
/// <param name="client">The Client</param>
public SshConnectionChangeEventArgs(bool isConnected, GenericSshClient client)
{
IsConnected = isConnected;