MySQL Daemon in ACM.NBUT.EDU.CN

mysql-daemon.js

var exec = require("child_process").exec;

function check() {
    exec("pgrep mysql", function(err, stdout, stderr) {
        if(err) {
            if(err.message.indexOf("Command failed") !== -1) {
                console.log("Restarting mysqld...");
                return exec("service mysqld start", function(err, stdout, stderr) {
                    if(err) console.log(err);
                    if(stdout) console.log(stdout);
                    if(stderr) console.log(stderr);
                    console.log("Restarted.");
                    setTimeout(check, 1000);
                });
            }

            return setTimeout(check, 1000);
        }

        setTimeout(check, 10 * 1000);
    });
}

check();