63 lines
2.5 KiB
JavaScript
63 lines
2.5 KiB
JavaScript
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module.exports = function(RED) {
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"use strict";
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var wol = require('wake_on_lan');
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var chk = /^([0-9A-Fa-f]{2}[:-]){5}([0-9A-Fa-f]{2})$/;
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function WOLnode(n) {
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RED.nodes.createNode(this,n);
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this.mac = n.mac.trim();
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this.host = n.host;
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this.udpport = n.udpport;
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this.numpackets = n.numpackets;
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this.interval = n.interval;
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var node = this;
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this.on("input", function(msg) {
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var mac = this.mac || msg.mac || null;
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var host = this.host || msg.host || '255.255.255.255';
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var udpport = Number(msg.udpport || this.udpport || '9');
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var numpackets = Number(msg.numpackets || this.numpackets || '3');
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var interval = Number(msg.interval || this.interval || '100');
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if (udpport < 1 || udpport > 65535) {
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node.warn("WOL: UDP port must be within 1 and 65535; it has been reset to 9.");
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udpport = 9;
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}
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if (numpackets < 1 || numpackets > 500) {
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node.warn("WOL: Number of packets must be within 1 and 500; it has been reset to 3.");
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numpackets = 3;
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}
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if (interval < 1 || interval > 3600000) {
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node.warn("WOL: Interval between packets must be within 1 and 3600000; it has been reset to 100.");
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interval = 100;
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}
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if (mac != null) {
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if (chk.test(mac)) {
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try {
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wol.wake(mac, {address: host, port: udpport, num_packets: numpackets, interval: interval}, function(error) {
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if (error) {
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node.warn(error);
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node.status({fill:"red",shape:"ring",text:" "});
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}
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else if (RED.settings.verbose) {
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node.log("sent WOL magic packet");
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node.status({fill:"green",shape:"dot",text:" "});
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}
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});
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}
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catch(e) {
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if (RED.settings.verbose) { node.log("WOL: socket error"); }
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}
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}
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else { node.warn('WOL: bad mac address "'+mac+'"'); }
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}
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else { node.warn("WOL: no mac address specified"); }
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});
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this.on("close", function () {
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node.status({});
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})
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}
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RED.nodes.registerType("wake on lan",WOLnode);
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}
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