Added new nodes to the node repository. Although current HTTP node will be updated to include more functionality, still added the HTTP_generic node just in case
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Charalampos Doukas
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<!--
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Copyright 2013 Charalampos Doukas.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<script type="text/x-red" data-template-name="scanBLE">
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<div class="form-row">
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<label for="node-input-topic"><i class="icon-tasks"></i> BLE Device name</label>
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<input type="text" id="node-input-ble_name" placeholder="XXX">
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</div>
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<div class="form-row">
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<label for="node-input-topic"><i class="icon-tasks"></i> UUID</label>
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<input type="text" id="node-input-ble_uuid" placeholder="UUID">
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="icon-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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<!-- Next, some simple help text is provided for the node. -->
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<script type="text/x-red" data-help-name="scanBLE">
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<p>Scans for a specific BLE Device</p>
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</script>
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<!-- Finally, the node type is registered along with all of its properties -->
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<script type="text/javascript">
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RED.nodes.registerType('scanBLE',{
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category: 'advanced-input', // the palette category
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color:"#0076d6",
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defaults: { // defines the editable properties of the node
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name: {value:""}, // along with default values.
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ble_name: {value:"", required:true},
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ble_uuid: {value: "", required:true}
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},
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inputs:1, // set the number of inputs - only 0 or 1
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outputs:1, // set the number of outputs - 0 to n
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icon: "arrow-in.png", // set the icon (held in public/icons)
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label: function() { // sets the default label contents
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return this.name||this.topic||"scanBLE";
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},
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labelStyle: function() { // sets the class to apply to the label
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return this.name?"node_label_italic":"";
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}
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});
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</script>
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/**
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* scanBLE.js
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* Scans for a specific Bluetooth 4 (BLE) Device (by Name and UUID)
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* Returns the Name the of Device when found and stops scanning
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* Requires Noble: https://github.com/sandeepmistry/noble
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* Copyright 2013 Charalampos Doukas
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var RED = require("../../red/red");
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//import noble
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var noble = require('noble');
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// The main node definition - most things happen in here
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function Scan(n) {
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// Create a RED node
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RED.nodes.createNode(this,n);
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var msg = {};
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var ble_name;
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var node = this;
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//get name and uuid from user
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this.ble_name = n.ble_name;
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this.ble_uuid = n.ble_uuid;
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this.on("input", function(msg){
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noble.startScanning();
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});
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noble.on('scanStart', function(msg) {
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var msg = {};
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msg.topic = node.topic;
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msg.payload = "Scanning initiated..." //debugging
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//console.log('scanning initiated...');
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node.send(msg);
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});
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noble.on('discover', function(peripheral) {
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var msg = {};
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msg.topic = node.topic;
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msg.payload = "not found";
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if(peripheral.advertisement.localName==node.ble_name && peripheral.advertisement.serviceUuids[0]==node.ble_uuid) {
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msg.payload=peripheral.advertisement.localName;
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noble.stopScanning(); }
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node.send(msg);
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});
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}
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// Register the node by name. This must be called before overriding any of the
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// Node functions.
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RED.nodes.registerType("scanBLE", Scan);
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Scan.prototype.close = function() {
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}
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@ -0,0 +1,95 @@
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<!--
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Copyright 2013 Charalampos Doukas.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<script type="text/x-red" data-template-name="HTTP_generic">
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<div class="form-row">
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<label for="node-input-topic"><i class="icon-tasks"></i> Host</label>
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<input type="text" id="node-input-host" placeholder="127.0.0.1">
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</div>
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<div class="form-row">
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<label for="node-input-topic"><i class="icon-tasks"></i> Port</label>
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<input type="text" id="node-input-port" placeholder="80">
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</div>
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<div class="form-row">
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<label for="node-input-topic"><i class="icon-tasks"></i> Path</label>
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<input type="text" id="node-input-path" placeholder="">
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</div>
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<div class="form-row">
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<label for="node-input-topic"><i class="icon-tasks"></i> Method</label>
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<select id="node-input-method">
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<option value="GET" selected="selected">GET</option>
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<option value="POST">POST</option>
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<option value="PUT">PUT</option>
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<option value="DELETE">DELETE</option>
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</select>
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</div>
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<div class="form-row">
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<label for="node-input-topic"><i class="icon-tasks"></i> Content-Type</label>
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<input type="text" id="node-input-contenttype" placeholder="">
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</div>
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<div class="form-row">
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<label for="node-input-topic"><i class="icon-tasks"></i> Header</label>
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<input type="textarea" id="node-input-header" placeholder="">
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</div>
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<div class="form-row">
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<label for="node-input-topic"><i class="icon-tasks"></i> Data</label>
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<input type="textarea" id="node-input-data" placeholder="">
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</div>
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<div class="form-row">
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<label for="node-input-name"><i class="icon-tag"></i> Name</label>
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<input type="text" id="node-input-name" placeholder="Name">
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</div>
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</script>
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<!-- Next, some simple help text is provided for the node. -->
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<script type="text/x-red" data-help-name="HTTP_generic">
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<p>Makes a generic HTTP Request</p>
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<p>You can define host, port, path, header, method and data</p>
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</script>
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<!-- Finally, the node type is registered along with all of its properties -->
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<script type="text/javascript">
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RED.nodes.registerType('HTTP_generic',{
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category: 'advanced-function', // the palette category
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color:"#66bc46",
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defaults: { // defines the editable properties of the node
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name: {value:""}, // along with default values.
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host: {value:"", required:true},
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port: {value: "", required:true},
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path: {value:""},
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method: {value:"", required:true},
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header: {value:""},
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data: {value:""},
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contenttype: {value:""}
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},
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inputs:1, // set the number of inputs - only 0 or 1
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outputs:1, // set the number of outputs - 0 to n
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icon: "arrow-in.png", // set the icon (held in public/icons)
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label: function() { // sets the default label contents
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return this.name||this.topic||"HTTP_generic";
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},
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labelStyle: function() { // sets the class to apply to the label
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return this.name?"node_label_italic":"";
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}
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});
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</script>
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/*
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HTTP_generic.js
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Performs a generic HTTP Request (PUT, GET, POST, DELETE)
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User can set method, host, port, path, content-type and header/data request.
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Example of header parameters:'foo:bar,param2:value,param3:value'
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Copyright 2013 Charalampos Doukas
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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var RED = require("../../red/red");
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var http = require("http");
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// The main node definition - most things happen in here
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function HTTP_Request(n) {
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// Create a RED node
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RED.nodes.createNode(this,n);
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var msg = {};
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this.method = n.method;
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this.header = n.header;
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this.data = n.data;
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this.host = n.host;
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this.port = n.port;
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this.path = n.path;
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this.contenttype = n.contenttype;
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var node = this;
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this.on("input", function(msg){
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var options = {
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host: node.host,
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port: node.port,
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path: node.path,
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method: node.method,
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headers: {
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'Content-Type': node.contenttype
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}
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};
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var req = http.request(options, function(res) {
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res.setEncoding('utf8');
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res.on('data', function (chunk) {
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var msg = {};
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msg.payload = chunk;
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node.send(msg);
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});
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});
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req.on('error', function(e) {
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console.log('problem with request: ' + e.message);
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});
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var tmp_head = node.header.split(',');
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for(var i = 0; i < tmp_head.length; i++)
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{
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var head_part = tmp_head[i].split(':');
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req.setHeader(head_part[0], head_part[1]);
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}
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// write data to request body
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req.write(node.data);
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req.end();
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});
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}
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// Register the node by name. This must be called before overriding any of the
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// Node functions.
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RED.nodes.registerType("HTTP_generic", HTTP_Request);
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HTTP_Request.prototype.close = function() {
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// Called when the node is shutdown - eg on redeploy.
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// Allows ports to be closed, connections dropped etc.
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// eg: this.client.disconnect();
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}
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