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cleaned up ip-poll.js

This commit is contained in:
Lucas Pleß 2022-09-04 14:18:40 +02:00
parent 0e913ea3ef
commit 484cb71804
1 changed files with 2 additions and 47 deletions
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49
ip-poll.js
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@ -1,50 +1,20 @@
//var redis = require("redis");
var util = require('util'); var util = require('util');
var EventEmitter = require('events').EventEmitter; var EventEmitter = require('events').EventEmitter;
var exec = require('child_process').exec; var exec = require('child_process').exec;
var moment = require('moment');
var redisprefix = "ippoll:";
var IpPoll = function(switchaddr, hostsaddr) { var IpPoll = function(switchaddr, hostsaddr) {
var self = this; var self = this;
// var redisClient = redis.createClient();
var regexp = /\(([0-9]+) hosts* up\)/; var regexp = /\(([0-9]+) hosts* up\)/;
var nmap = "nmap -n -sP "; var nmap = "nmap -n -sP ";
/*
redisClient.on("connect", function () {
console.log("IP-Poll: 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 time = Date.now();
redisClient.zremrangebyscore(redisprefix + 'onlinecount', "-inf", time - 7*24*60*1000);
var num = matches[1];
redisClient.zadd(redisprefix + 'onlinecount', time, time + "|" + num, function() {
self.emit('doneCount', parseInt(num));
});
}
}
});
};*/
this.pollState = function() { this.pollState = function() {
exec(nmap + switchaddr, function (error, stdout, stderr) { exec(nmap + switchaddr, function (error, stdout, stderr) {
if(error == null) { if(error == null) {
var matches = regexp.exec(stdout); var matches = regexp.exec(stdout);
if(matches != null && matches.length == 2) { if(matches != null && matches.length === 2) {
self.emit('doneState', matches[1] == "1"); self.emit('doneState', matches[1] === "1");
} }
} else { } else {
self.emit('doneState', "unknown"); self.emit('doneState', "unknown");
@ -52,22 +22,7 @@ var IpPoll = function(switchaddr, hostsaddr) {
}); });
}; };
/*
this.getHistory = function(start, end, callback) {
redisClient.zrangebyscore(redisprefix + 'onlinecount', "-inf", "+inf", function(err, replies) {
var data = [];
replies.forEach(function (reply, i) {
var line = reply.split('|');
data.push( { at: moment(parseInt(line[0])).format(), value: line[1] });
});
callback(data);
});
};*/
}; };
util.inherits(IpPoll, EventEmitter); util.inherits(IpPoll, EventEmitter);
module.exports = IpPoll; module.exports = IpPoll;