/// <summary>
/// Tries to resume the execution of PlanetLab commands.
/// </summary>
/// <param name="state">The manager state/</param>
/// <param name="action">The action to take after the execution was resumed.</param>
private void TryResume(PlManagerState state, Action action)
{
// Resume the execution through the manager state.
state.Resume();
// Execute the action.
action();
}