37 lines
1.2 KiB
JavaScript
37 lines
1.2 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-F]{2}[:-]){5}([0-9A-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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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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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}, function(error) {
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if (error) { node.warn(error); }
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else if (RED.settings.verbose) {
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node.log("sent WOL magic packet");
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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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}
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RED.nodes.registerType("wake on lan",WOLnode);
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}
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