55 lines
1.4 KiB
JavaScript
55 lines
1.4 KiB
JavaScript
var redis = require("redis");
|
|
var util = require('util');
|
|
var EventEmitter = require('events').EventEmitter;
|
|
var exec = require('child_process').exec;
|
|
|
|
var redisprefix = "ippoll:";
|
|
|
|
var IpPoll = function(switchaddr, hostsaddr) {
|
|
var self = this;
|
|
|
|
var redisClient = redis.createClient();
|
|
|
|
var regexp = /\(([0-9]+) hosts* up\)/;
|
|
// var nmap = "nmap -n -sP -T5 --host-timeout 10ms ";
|
|
var nmap = "nmap -n -sP -T5 ";
|
|
|
|
|
|
redisClient.on("connect", function () {
|
|
console.log("connected to redis");
|
|
self.emit('ready');
|
|
});
|
|
|
|
this.pollCount = function() {
|
|
exec(nmap + "--min-hostgroup 10 " + hostsaddr, function (error, stdout, stderr) {
|
|
if(error == null) {
|
|
var matches = regexp.exec(stdout);
|
|
if(matches != null && matches.length == 2) {
|
|
var num = parseInt(matches[1]);
|
|
|
|
redisClient.zadd('onlinecount', Date.now(), num, function() {
|
|
self.emit('doneCount', num);
|
|
});
|
|
}
|
|
}
|
|
});
|
|
};
|
|
|
|
this.pollState = function() {
|
|
exec(nmap + switchaddr, function (error, stdout, stderr) {
|
|
if(error == null) {
|
|
var matches = regexp.exec(stdout);
|
|
if(matches != null && matches.length == 2) {
|
|
self.emit('doneState', matches[1] == "1");
|
|
}
|
|
} else {
|
|
self.emit('doneState', "unknown");
|
|
}
|
|
});
|
|
};
|
|
};
|
|
|
|
util.inherits(IpPoll, EventEmitter);
|
|
|
|
module.exports = IpPoll;
|