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-rw-r--r--dgbuilder/core_nodes/core/58-debug.js114
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diff --git a/dgbuilder/core_nodes/core/58-debug.js b/dgbuilder/core_nodes/core/58-debug.js
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+/**
+ * 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.
+ **/
+
+module.exports = function(RED) {
+ var util = require("util");
+ var events = require("events");
+ var debuglength = RED.settings.debugMaxLength||1000;
+ var useColors = false;
+ // util.inspect.styles.boolean = "red";
+
+ function DebugNode(n) {
+ RED.nodes.createNode(this,n);
+ this.name = n.name;
+ this.complete = n.complete;
+ this.console = n.console;
+ this.active = (n.active == null)||n.active;
+ var node = this;
+
+ this.on("input",function(msg) {
+ if (this.complete == "true") { // debug complete msg object
+ if (this.console == "true") {
+ node.log("\n"+util.inspect(msg, {colors:useColors, depth:10}));
+ }
+ if (this.active) {
+ sendDebug({id:this.id,name:this.name,topic:msg.topic,msg:msg,_path:msg._path});
+ }
+ } else { // debug just the msg.payload
+ if (this.console == "true") {
+ if (typeof msg.payload === "string") {
+ node.log((msg.payload.indexOf("\n") != -1 ? "\n" : "") + msg.payload);
+ }
+ else if (typeof msg.payload === "object") { node.log("\n"+util.inspect(msg.payload, {colors:useColors, depth:10})); }
+ else { node.log(util.inspect(msg.payload, {colors:useColors})); }
+ }
+ if (this.active) {
+ sendDebug({id:this.id,name:this.name,topic:msg.topic,msg:msg.payload,_path:msg._path});
+ }
+ }
+ });
+ }
+
+ RED.nodes.registerType("debug",DebugNode);
+
+ function sendDebug(msg) {
+ if (msg.msg instanceof Error) {
+ msg.msg = msg.msg.toString();
+ } else if (msg.msg instanceof Buffer) {
+ msg.msg = "(Buffer) "+msg.msg.toString('hex');
+ } else if (typeof msg.msg === 'object') {
+ var seen = [];
+ var ty = "(Object) ";
+ if (util.isArray(msg.msg)) { ty = "(Array) "; }
+ msg.msg = ty + JSON.stringify(msg.msg, function(key, value) {
+ if (typeof value === 'object' && value !== null) {
+ if (seen.indexOf(value) !== -1) { return "[circular]"; }
+ seen.push(value);
+ }
+ return value;
+ }," ");
+ seen = null;
+ } else if (typeof msg.msg === "boolean") {
+ msg.msg = "(boolean) "+msg.msg.toString();
+ } else if (msg.msg === 0) {
+ msg.msg = "0";
+ } else if (msg.msg == null) {
+ msg.msg = "(undefined)";
+ }
+
+ if (msg.msg.length > debuglength) {
+ msg.msg = msg.msg.substr(0,debuglength) +" ....";
+ }
+
+ RED.comms.publish("debug",msg);
+ }
+
+ DebugNode.logHandler = new events.EventEmitter();
+ DebugNode.logHandler.on("log",function(msg) {
+ if (msg.level == "warn" || msg.level == "error") {
+ sendDebug(msg);
+ }
+ });
+ RED.log.addHandler(DebugNode.logHandler);
+
+ RED.httpAdmin.post("/debug/:id/:state", function(req,res) {
+ var node = RED.nodes.getNode(req.params.id);
+ var state = req.params.state;
+ if (node != null) {
+ if (state === "enable") {
+ node.active = true;
+ res.send(200);
+ } else if (state === "disable") {
+ node.active = false;
+ res.send(201);
+ } else {
+ res.send(404);
+ }
+ } else {
+ res.send(404);
+ }
+ });
+}