package com.battmonitor.sql;
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import java.io.BufferedReader;
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import java.io.BufferedWriter;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.OutputStreamWriter;
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import java.sql.ResultSet;
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import java.sql.SQLException;
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import java.util.Date;
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/**
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* ¶¨ÆÚ±¸·ÝÊý¾Ý¿âµÄÏß³Ì
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* @author ¾ü
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*
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*/
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public class MysqlDBBackUp_Thread extends Thread {
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private MysqlConnPool m_conn_pool = null;
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private String db_path = ""; //Êý¾Ý¿âµÄ°²×°Ä¿Â¼
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private int back_up_day = 30; //ĬÈϱ¸·ÝÊý¾Ý¿âµÄ¼ä¸ô
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private Date m_latest_backup_time = new Date(); //×îºó±¸·ÝÊý¾Ý¿âµÄʱ¼ä
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private int mSqlConnPort = 5306; //Êý¾Ý¿âµÄ¶Ë¿ÚºÅ
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public MysqlDBBackUp_Thread(MysqlConnPool con_pool) {
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back_up_day = 30;
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m_conn_pool = con_pool;
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mSqlConnPort = m_conn_pool.getSqlConnPort();
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Sql_Mysql sql = new Sql_Mysql(m_conn_pool.getConn());
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try {
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ResultSet res = sql.sqlMysqlQuery("select @@basedir as basePath from dual");
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if(res.next()) {
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db_path = res.getString(1);
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db_path.substring(0, db_path.indexOf(":")+1);
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}
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res = sql.sqlMysqlQuery("SELECT SqlDB_BackUpTime FROM " + Sql_Mysql.AppSys_Table);
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if(res.next()) {
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m_latest_backup_time = res.getTimestamp(1);
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}
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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sql.close_con();
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}
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}
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@Override
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public void run() {
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/**********************************************************************************/
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System.out.println(this.getName() + " - MysqlDBBackUp_Thread Started ...");
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/**********************************************************************************/
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while(true) {
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try {
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boolean db_backup_manual_en = false;
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for(int n=0; n<back_up_day; n++) {
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for(int h=0; h<24*3600; h++) {
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try {
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sleep(1000);
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db_backup_manual_en = getSqlDB_BackUpManual_EN();
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if(true == db_backup_manual_en) {
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break;
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}
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} catch (InterruptedException e) {
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// TODO Auto-generated catch block
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e.printStackTrace();
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}
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}
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if(true == db_backup_manual_en) {
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break;
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}
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Date dt = new Date();
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long dt_s = (dt.getTime() - m_latest_backup_time.getTime())/1000;
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if((dt_s/(24*3600)) >= back_up_day) {
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break;
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}
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}
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System.out.println(this.getName() + " - MysqlDBBackUp_Thread backup all dbs at "
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+ Com.getDateTimeFormat(new Date(), Com.DTF_YMDhms));
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doDbBackUp();
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updateBackupInf();
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} catch (Exception e) {
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e.printStackTrace();
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}
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}
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}
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//»ñÈ¡Êý¾Ý¿â±¸·Ý±í¸ñÖÐµÄ SqlDB_BackUpManual_ENÖµ
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private boolean getSqlDB_BackUpManual_EN() {
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boolean en = false;
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Sql_Mysql sql = new Sql_Mysql(m_conn_pool.getConn());
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try {
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ResultSet res = sql.sqlMysqlQuery("SELECT SqlDB_BackUpManual_EN FROM " + Sql_Mysql.AppSys_Table);
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if(res.next()) {
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en = res.getBoolean(1);
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}
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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sql.close_con();
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}
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return en;
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}
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//¸üб¸·ÝÊý¾Ý¿â±í¸ñÖеÄÐÅÏ¢
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private void updateBackupInf() {
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Sql_Mysql sql = new Sql_Mysql(m_conn_pool.getConn());
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try {
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sql.sqlMysqlExecute("UPDATE " + Sql_Mysql.AppSys_Table
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+ " SET "
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+ " SqlDB_BackUpTime='" + Com.getDateTimeFormat(new Date(), Com.DTF_YMDhms) + "',"
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+ " SqlDB_BackUpManual_EN=false");
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} catch (SQLException e) {
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e.printStackTrace();
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} finally {
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sql.close_con();
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}
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}
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//Ö´ÐÐÊý¾Ý¿â±¸·Ý
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private void doDbBackUp() {
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Process ps;
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try {
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String tmp_filename = "all_backup_" + Com.getDateTimeFormat(new Date(), Com.DTF_YMD_h_m_s);
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String cmd_str = db_path + File.separator + "bin" + File.separator
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+ "mysqldump -P " + mSqlConnPort + " -uroot -plmx8688139 --all-databases > "
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+ db_path + File.separator + tmp_filename
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+ "&echo popstar hello";
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ps = Runtime.getRuntime().exec("cmd");
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InputStreamReader isr = new InputStreamReader(ps.getErrorStream());
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//Óûº³åÆ÷¶ÁÐÐ
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BufferedReader br = new BufferedReader(isr);
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// next command
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OutputStreamWriter osw = new OutputStreamWriter (ps.getOutputStream ());
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BufferedWriter bw = new BufferedWriter (osw);
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bw.write(cmd_str);
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bw.newLine();
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bw.write("del " + db_path + File.separator + "*.bksql");
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bw.newLine();
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String target_filename = "all_backup_" + Com.getDateTimeFormat(new Date(), Com.DTF_YMD_h_m_s);
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bw.write("rename " + db_path + File.separator + tmp_filename + " " + target_filename + ".bksql");
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bw.newLine();
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bw.flush();
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bw.close();
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osw.close();
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String line = null;
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//Ö±µ½¶ÁÍêΪֹ
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while((line=br.readLine()) != null) {
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System.out.println(line);
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}
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ps.destroy();
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br.close();
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isr.close();
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} catch (IOException e2) {
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// TODO Auto-generated catch block
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e2.printStackTrace();
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}
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}
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}
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