mirror of
https://github.com/node-red/node-red.git
synced 2023-10-10 13:36:53 +02:00
77 lines
2.1 KiB
JavaScript
77 lines
2.1 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 spawn = require('child_process').spawn;
|
|
var exec = require('child_process').exec;
|
|
|
|
function ExecNode(n) {
|
|
RED.nodes.createNode(this,n);
|
|
this.cmd = n.command;
|
|
this.append = n.append || "";
|
|
this.useSpawn = n.useSpawn;
|
|
|
|
var node = this;
|
|
this.on("input", function(msg) {
|
|
if (msg != null) {
|
|
|
|
if (this.useSpawn == true) {
|
|
// make the extra args into an array
|
|
// then prepend with the msg.payload
|
|
var arg = node.append.split(",");
|
|
if (msg.payload != " ") { arg.unshift(msg.payload); }
|
|
//console.log(arg);
|
|
var ex = spawn(node.cmd,arg);
|
|
ex.stdout.on('data', function (data) {
|
|
//console.log('[exec] stdout: ' + data);
|
|
msg.payload = data;
|
|
node.send([msg,null,null]);
|
|
});
|
|
ex.stderr.on('data', function (data) {
|
|
//console.log('[exec] stderr: ' + data);
|
|
msg.payload = data;
|
|
node.send([null,msg,null]);
|
|
});
|
|
ex.on('close', function (code) {
|
|
//console.log('[exec] result: ' + code);
|
|
msg.payload = code;
|
|
node.send([null,null,msg]);
|
|
});
|
|
}
|
|
|
|
else {
|
|
var cl = node.cmd+" "+msg.payload+" "+node.append;
|
|
node.log(cl);
|
|
var child = exec(cl, function (error, stdout, stderr) {
|
|
msg.payload = stdout;
|
|
var msg2 = {payload:stderr};
|
|
//console.log('[exec] stdout: ' + stdout);
|
|
//console.log('[exec] stderr: ' + stderr);
|
|
if (error !== null) {
|
|
var msg3 = {payload:error};
|
|
//console.log('[exec] error: ' + error);
|
|
}
|
|
node.send([msg,msg2,msg3]);
|
|
});
|
|
}
|
|
}
|
|
|
|
});
|
|
}
|
|
|
|
RED.nodes.registerType("exec",ExecNode);
|