package cn.timer.api.config.sftp;

import cn.timer.api.aspect.ChannelSftpFactory;
import com.jcraft.jsch.ChannelSftp;
import lombok.Data;
import org.apache.commons.pool2.impl.AbandonedConfig;
import org.apache.commons.pool2.impl.GenericObjectPool;
import org.apache.commons.pool2.impl.GenericObjectPoolConfig;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Configuration;
import org.springframework.stereotype.Component;


/**
 * @author wuqingjun
 * @email 284718418@qq.com
 * @date 2021/12/28
 */
@Configuration
@Component
@Data
public class SftpConfiguration {
    //连接池
    public GenericObjectPool<ChannelSftp> channelSftpPool;
    //host
    @Value("${sftp.client.host}")
    private String host;
    //端口
    @Value("${sftp.client.port}")
    private Integer port;
    //协议
    @Value("${sftp.client.protocol}")
    private String protocol;
    //用户
    @Value("${sftp.client.username}")
    private String username;
    //密码
    @Value("${sftp.client.password}")
    private String password;
    //根路径
    @Value("${sftp.client.root}")
    private String root;

    @Value("${sftp.client.sessionStrictHostKeyChecking}")
    private String sessionStrictHostKeyChecking;
    //session超时时间
    @Value("${sftp.client.sessionConnectTimeout}")
    private Integer sessionConnectTimeout;
    //channel超时时间
    @Value("${sftp.client.channelConnectedTimeout}")
    private Integer channelConnectedTimeout;
    //图片服务url
    @Value("${sftp.client.serverUrl}")
    private String serverUrl;

    @Value("${sftp.client.targetPath}")
    private String targetPath;

    @Value("${sftp.client.reservedName}")
    private boolean reservedName;

    @Value("${config-8timer.file-address.type}")
    public String fileAddress;

    /**
     * @Title: getSftpSocket
     * @Description: 获取连接
     * @param: @return
     * @return: ChannelSftp
     * @throws
     */
    public ChannelSftp getSftpSocket(){
        try {
            if(null == this.channelSftpPool){
                initPool();
            }
            return this.channelSftpPool.borrowObject();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * @Title: returnSftpSocket
     * @Description: 归还连接
     * @param: @param sftp
     * @return: void
     * @throws
     */
    public void returnSftpSocket(ChannelSftp sftp){
        this.channelSftpPool.returnObject(sftp);
    }

    /**
     * @Title: initPool
     * @Description: 初始化连接池
     * @param:
     * @return: void
     * @throws
     */
    private void initPool(){
        GenericObjectPoolConfig config=new GenericObjectPoolConfig();
        config.setMinIdle(10);
        config.setMaxTotal(10);
        config.setMaxWaitMillis(30000);
        this.channelSftpPool = new GenericObjectPool<>(new ChannelSftpFactory(host, port, protocol, username, password,
                sessionStrictHostKeyChecking, sessionConnectTimeout, channelConnectedTimeout),config);
        AbandonedConfig abandonedConfig = new AbandonedConfig();
        //在Maintenance的时候检查是否有泄漏
        abandonedConfig.setRemoveAbandonedOnMaintenance(true);
        //borrow 的时候检查泄漏
        abandonedConfig.setRemoveAbandonedOnBorrow(true);
        //如果一个对象borrow之后60秒还没有返还给pool，认为是泄漏的对象
        abandonedConfig.setRemoveAbandonedTimeout(60);
        this.channelSftpPool.setAbandonedConfig(abandonedConfig);
        //30秒运行一次维护任务
        this.channelSftpPool.setTimeBetweenEvictionRunsMillis(30000);
    }
}