mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
99 lines
3.2 KiB
JavaScript
99 lines
3.2 KiB
JavaScript
/**
|
|
* Copyright 2013, 2014 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) {
|
|
"use strict";
|
|
var cron = require("cron");
|
|
|
|
function InjectNode(n) {
|
|
RED.nodes.createNode(this,n);
|
|
this.topic = n.topic;
|
|
this.payload = n.payload;
|
|
this.payloadType = n.payloadType;
|
|
this.repeat = n.repeat;
|
|
this.crontab = n.crontab;
|
|
this.once = n.once;
|
|
var node = this;
|
|
this.interval_id = null;
|
|
this.cronjob = null;
|
|
|
|
if (this.repeat && !isNaN(this.repeat) && this.repeat > 0) {
|
|
this.repeat = this.repeat * 1000;
|
|
this.log("repeat = "+this.repeat);
|
|
this.interval_id = setInterval( function() {
|
|
node.emit("input",{});
|
|
}, this.repeat );
|
|
} else if (this.crontab) {
|
|
if (cron) {
|
|
this.log("crontab = "+this.crontab);
|
|
this.cronjob = new cron.CronJob(this.crontab,
|
|
function() {
|
|
node.emit("input",{});
|
|
},
|
|
null,true);
|
|
} else {
|
|
this.error("'cron' module not found");
|
|
}
|
|
}
|
|
|
|
if (this.once) {
|
|
setTimeout( function(){ node.emit("input",{}); }, 100);
|
|
}
|
|
|
|
this.on("input",function(msg) {
|
|
var msg = {topic:this.topic};
|
|
if ( (this.payloadType == null && this.payload === "") || this.payloadType === "date") {
|
|
msg.payload = Date.now();
|
|
} else if (this.payloadType == null || this.payloadType === "string") {
|
|
msg.payload = this.payload;
|
|
} else {
|
|
msg.payload = "";
|
|
}
|
|
this.send(msg);
|
|
msg = null;
|
|
});
|
|
}
|
|
|
|
RED.nodes.registerType("inject",InjectNode);
|
|
|
|
InjectNode.prototype.close = function() {
|
|
if (this.interval_id != null) {
|
|
clearInterval(this.interval_id);
|
|
this.log("inject: repeat stopped");
|
|
} else if (this.cronjob != null) {
|
|
this.cronjob.stop();
|
|
this.log("inject: cronjob stopped");
|
|
delete this.cronjob;
|
|
}
|
|
}
|
|
|
|
RED.httpAdmin.post("/inject/:id", function(req,res) {
|
|
var node = RED.nodes.getNode(req.params.id);
|
|
if (node != null) {
|
|
try {
|
|
node.receive();
|
|
res.send(200);
|
|
} catch(err) {
|
|
res.send(500);
|
|
node.error("Inject failed:"+err);
|
|
console.log(err.stack);
|
|
}
|
|
} else {
|
|
res.send(404);
|
|
}
|
|
});
|
|
}
|