<?php 
/** 
 * Copyright 2016 Igor Dyshlenko 
 * 
 * Permission is hereby granted, free of charge, to any person obtaining a copy 
 * of this software and associated documentation files (the "Software"), to deal 
 * in the Software without restriction, including without limitation the rights 
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 
 * copies of the Software, and to permit persons to whom the Software is 
 * furnished to do so, subject to the following conditions: 
 *  
 * The above copyright notice and this permission notice shall be included in 
 * all copies or substantial portions of the Software. 
 *  
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 
 * SOFTWARE. 
 */ 
 
/** 
 * ShellConnector 
 * The interface declare basic functions for connecting and exchanging data with 
 * the server. 
 * 
 * @author Igor Dyshlenko 
 * @category Console 
 * @license https://opensource.org/licenses/MIT MIT 
 */ 
 
interface ShellConnector { 
 
    /** 
     * Constructor 
     * @param string $host 
     * @param int $port 
     * @param mixed $logger - PEAR Log class object for logging all events, any 
     *                        other value is ignored. 
     * @throws LogicException if connect to server is fail. 
     */ 
    public function __construct($host, $port, $logger=null); 
 
    /** 
     * Login function 
     * @param string $userName 
     * @param string $pass 
     * @return bool TRUE if success. 
     * @throws LogicException if authentication error. 
     */ 
    public function login($userName, $pass=''); 
 
    /** 
     * Logout function 
     * @return bool TRUE if success, FALSE if fail. 
     */ 
    public function logout(); 
 
    /** 
     * Disconnect function 
     */ 
    public function disconnect(); 
 
    /** 
     * Get "is connected" state 
     * @return bool TRUE if is connected. 
     */ 
    public function isConnected(); 
 
    /** 
     * Get "is logged in" state 
     * @return bool TRUE if is loged in. 
     */ 
    public function isLoggedIn(); 
 
    /** 
     * Get Error Message. 
     * @return string error message if error, empty string ('') otherwise 
     */ 
    public function getError(); 
 
    /** 
     * Get Error Number. 
     * @return mixed - int error code if error, NULL otherwise 
     */ 
    public function getErrno(); 
 
    /** 
     * Read character from stream 
     * @return mixed string - readed character or FALSE if EOF or error 
     */ 
    public function read(); 
 
    /** 
     * Write data to stream. 
     * @param string $data - data for write 
     * @return mixed - number of written chars or FALSE if error 
     */ 
    public function write($data); 
 
}
 
 |