Minetrack/lib/ping.js
2015-11-08 18:34:17 -06:00

67 lines
1.8 KiB
JavaScript

var mcpe_ping = require('mcpe-ping');
var mcpc_ping = require('mc-ping-updated');
var util = require('./util');
// This is a wrapper function for mc-ping-updated, mainly used to convert the data structure of the result.
function pingMinecraftPC(host, port, timeout, callback) {
var startTime = util.getCurrentTimeMs();
// Try catch incase the down stream module is bad at handling exceptions.
try {
mcpc_ping(host, port, function(err, res) {
if (err) {
callback(err, null);
} else {
// Remap our JSON into our custom structure.
callback(null, {
players: {
online: res.players.online,
max: res.players.max
},
version: res.version.protocol,
latency: util.getCurrentTimeMs() - startTime,
favicon: res.favicon
});
}
}, timeout);
} catch (err) {
callback(err, null);
}
}
// This is a wrapper function for mcpe-ping, mainly used to convert the data structure of the result.
function pingMinecraftPE(host, port, timeout, callback) {
var startTime = util.getCurrentTimeMs();
// Try catch incase the down stream module is bad at handling exceptions.
try {
mcpe_ping(host, port || 19132, function(err, res) {
if (err) {
callback(err, null);
} else {
// Remap our JSON into our custom structure.
callback(err, {
players: {
online: parseInt(res.currentPlayers),
max: parseInt(res.maxPlayers)
},
version: res.version,
latency: util.getCurrentTimeMs() - startTime
});
}
}, timeout);
} catch (err) {
callback(err, null);
}
}
exports.ping = function(host, port, type, timeout, callback) {
if (type === 'PC') {
pingMinecraftPC(host, port || 25565, timeout, callback);
} else if (type === 'PE') {
pingMinecraftPE(host, port || 19132, timeout, callback);
} else {
throw new Error('Unsupported type: ' + type);
}
};