Added Wake-On-LAN node

io/wol/39-wol.js

@@ -0,0 +1,41 @@
+/**
+ * Copyright 2013 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+
+var RED = require(process.env.NODE_RED_HOME+"/red/red");
+var wol = require('wake_on_lan');
+var chk = /^([0-9A-F]{2}[:-]){5}([0-9A-F]{2})$/;
+
+function WOLnode(n) {
+    RED.nodes.createNode(this,n);
+    this.mac = n.mac
+    var node = this;
+
+    this.on("input", function(msg) {
+        if (msg != null) {
+            var mac = this.mac || msg.mac || null;
+            if (mac != null) {
+                if (chk.test(mac)) {
+                    wol.wake(mac, function(error) {
+                        if (error) { node.warn(error); }
+                    });
+                }
+                else { node.warn("WOL: bad mac address "+mac); }
+            }
+            else { node.warn("WOL: no mac address specified"); }
+        }
+    });
+}
+RED.nodes.registerType("wake on lan",WOLnode);