/// <summary>
/// Добавление сессии к пользователю и поппытка присоединения
/// </summary>
/// <param name="connectionInfo">Информация дл подключения к устройству.</param>
/// <returns>Успешность выполнения операции</returns>
public OperationResult TryAddSessionUserAndConnect(ClientConnectionInfo connectionInfo)
{
var sshClient = new SshClient(connectionInfo.Host, connectionInfo.Port, connectionInfo.UserName, connectionInfo.Password);;
ShellStream?shellStream = null;
try
{
sshClient.ConnectionInfo.Timeout = TimeSpan.FromMinutes(10);
sshClient.Connect();
shellStream = sshClient.CreateShellStream("Terminal", 80, 30, 800, 400, 1000);
var sessionModel = new Session
{
Status = "Connected",
UniqueKey = connectionInfo.UniqueKey,
ShellStream = shellStream,
SshClient = sshClient,
StartSessionDate = DateTime.Now,
LastAccessSessionDate = DateTime.Now,
StoredSessionModel = connectionInfo,
OnLineReceive = OnLineReceived,
OnTerminalError = OnTerminalError
};
string?result;
while ((result = sessionModel.ShellStream.ReadLine(TimeSpan.FromSeconds(0.3))) != null)
{
sessionModel.OnLineReceive?.Invoke(
new OperationResult(
OperationResultStatus.NoError,
result + Environment.NewLine,
sessionModel.UniqueKey));
}
//sessionModel.Lines.TryAdd(sessionModel.ShellStream.Read());
shellStream.DataReceived += (obj, e) =>
{
try
{
var data = Encoding.UTF8.GetString(e.Data);
sessionModel.OnLineReceive?.Invoke(
new OperationResult(OperationResultStatus.NoError,
data,
sessionModel.UniqueKey));
}
catch (Exception ex)
{
//sessionModel.Lines.TryAdd($"An error occurred while receiving data: {ex.Message}");
sessionModel.OnTerminalError?.Invoke(
new OperationResult(
OperationResultStatus.ReceiveDataError,
$"An error occurred while receiving data: {ex.Message}", sessionModel.UniqueKey));
}
};
AddActiveSession(sessionModel);
sshClient.ErrorOccurred += (obj, e) =>
{
if (obj is SshClient sshClientInner)
{
if (sshClientInner.IsConnected)
{
sessionModel.OnTerminalError?.Invoke(new OperationResult(
OperationResultStatus.SessionError, $"Session error: {e.Exception.Message}",
sessionModel.UniqueKey));
}
}
RemoveSession(sessionModel.UniqueKey);
};
var connectResult = new OperationResult(
OperationResultStatus.NoError, string.Empty, sessionModel.UniqueKey);
return(connectResult);
}
catch (Exception ex)
{
shellStream?.Dispose();
sshClient?.Dispose();
return(new OperationResult(
OperationResultStatus.ConnectionError, ex.Message, Guid.Empty));
}
}
void AddActiveSession(Session session)
{
Sessions.TryAdd(session.UniqueKey, session);
}
