mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
123 lines
3.3 KiB
JavaScript
123 lines
3.3 KiB
JavaScript
/**
|
|
* 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("../../red/red");
|
|
|
|
var util = require("util");
|
|
var ws = require('ws');
|
|
var events = require("events");
|
|
var debuglength = RED.settings.debugMaxLength||512;
|
|
|
|
function DebugNode(n) {
|
|
RED.nodes.createNode(this,n);
|
|
this.name = n.name;
|
|
this.complete = n.complete;
|
|
this.active = (n.active == null)||n.active;
|
|
this.on("input",function(msg) {
|
|
if (this.active) {
|
|
if (msg.payload instanceof Buffer) {
|
|
msg.payload = "(Buffer) "+msg.payload.toString();
|
|
}
|
|
if (this.complete) {
|
|
DebugNode.send({id:this.id,name:this.name,topic:msg.topic,msg:msg,_path:msg._path});
|
|
} else {
|
|
DebugNode.send({id:this.id,name:this.name,topic:msg.topic,msg:msg.payload,_path:msg._path});
|
|
}
|
|
}
|
|
});
|
|
}
|
|
|
|
RED.nodes.registerType("debug",DebugNode);
|
|
|
|
DebugNode.send = function(msg) {
|
|
if (msg.msg instanceof Error) {
|
|
msg.msg = msg.msg.toString();
|
|
}
|
|
else if (typeof msg.msg === 'object') {
|
|
try {
|
|
msg.msg = "(Object) "+JSON.stringify(msg.msg,null,1);
|
|
}
|
|
catch (err) {
|
|
// DCJ - either can just report the circularity...
|
|
//msg.msg = "[Error] Can't stringify object with circular reference - see console log.";
|
|
// or dump out bits we can... (but things like http are mahoosive objects)
|
|
var seen = [];
|
|
msg.msg = "(Circular Object) " + JSON.stringify(msg.msg, function(key, value) {
|
|
if (typeof value === 'object' && value !== null) {
|
|
if (seen.indexOf(value) !== -1) { return; }
|
|
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";
|
|
|
|
if (msg.msg.length > debuglength) {
|
|
msg.msg = msg.msg.substr(0,debuglength) +" ...(more)";
|
|
}
|
|
|
|
for (var i in DebugNode.activeConnections) {
|
|
var ws = DebugNode.activeConnections[i];
|
|
try {
|
|
var p = JSON.stringify(msg);
|
|
ws.send(p);
|
|
} catch(err) {
|
|
util.log("[debug] ws error : "+err);
|
|
}
|
|
}
|
|
}
|
|
|
|
DebugNode.activeConnections = [];
|
|
DebugNode.wsServer = new ws.Server({server:RED.server});
|
|
DebugNode.wsServer.on('connection',function(ws) {
|
|
DebugNode.activeConnections.push(ws);
|
|
ws.on('close',function() {
|
|
for (var i in DebugNode.activeConnections) {
|
|
if (DebugNode.activeConnections[i] === ws) {
|
|
DebugNode.activeConnections.splice(i,1);
|
|
break;
|
|
}
|
|
}
|
|
});
|
|
});
|
|
|
|
DebugNode.logHandler = new events.EventEmitter();
|
|
DebugNode.logHandler.on("log",function(msg) {
|
|
if (msg.level == "warn" || msg.level == "error") {
|
|
DebugNode.send(msg);
|
|
}
|
|
});
|
|
RED.nodes.addLogHandler(DebugNode.logHandler);
|
|
|
|
RED.app.post("/debug/:id", function(req,res) {
|
|
var node = RED.nodes.getNode(req.params.id);
|
|
if (node != null) {
|
|
if (node.active) {
|
|
node.active = false;
|
|
res.send(201);
|
|
} else {
|
|
node.active = true;
|
|
res.send(200);
|
|
}
|
|
} else {
|
|
res.send(404);
|
|
}
|
|
});
|