package com.hai.linux;

import ch.ethz.ssh2.Connection;
import ch.ethz.ssh2.Session;

import java.io.IOException;

//与linux客户端连接
public class shellUtils {

    public static Connection getConnection(String hostname,int port,String username,String password){
        //获取连接
        Connection conn = new Connection(hostname, port);

        try {
            //连接
            conn.connect();
            //输入账号密码登陆
            boolean isAuthenticated = conn.authenticateWithPassword(username, password);
            //登陆失败，返回错误
            if(isAuthenticated == false){
                System.out.println("连接建立失败");
                throw new IOException("isAuthentication failed.");
            }

        } catch (IOException e) {
            e.printStackTrace();
        }
        return conn;

    }

    public static Session getSession(Connection conn){
        Session sess = null;
        try {
            sess = conn.openSession();
        } catch (IOException e) {
            e.printStackTrace();
        }
        return sess;
    }


}