mirror of
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101 lines
3.3 KiB
JavaScript
101 lines
3.3 KiB
JavaScript
/**
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* Copyright 2013 IBM Corp.
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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 util = require('util');
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var createUI = require("./ui");
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var redNodes = require("./nodes");
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var app = null;
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var server = null;
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var settings = null;
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var storage = null;
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function createServer(_server,_settings) {
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server = _server;
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settings = _settings;
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storage = require("./storage");
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app = createUI(settings);
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flowfile = settings.flowFile || 'flows_'+require('os').hostname()+'.json';
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app.get("/nodes",function(req,res) {
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res.writeHead(200, {'Content-Type': 'text/plain'});
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res.write(redNodes.getNodeConfigs());
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res.end();
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});
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app.get("/flows",function(req,res) {
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res.writeHead(200, {'Content-Type': 'text/plain'});
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res.write(JSON.stringify(redNodes.getConfig()));
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res.end();
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});
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app.post("/flows",function(req,res) {
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var fullBody = '';
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req.on('data', function(chunk) {
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fullBody += chunk.toString();
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});
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req.on('end', function() {
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res.writeHead(204, {'Content-Type': 'text/plain'});
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res.end();
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var flows = JSON.parse(fullBody);
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storage.saveFlows(flows).then(function() {
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redNodes.setConfig(flows);
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}).otherwise(function(err) {
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util.log("[red] Error saving flows : "+err);
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});
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});
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});
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}
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function start() {
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storage.init(settings).then(function() {
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console.log("\nWelcome to Node-RED\n===================\n");
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util.log("[red] Loading palette nodes");
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util.log("------------------------------------------");
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redNodes.load();
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util.log("");
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util.log('You may ignore any errors above here if they are for');
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util.log('nodes you are not using. The nodes indicated will not');
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util.log('be available in the main palette until any missing');
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util.log('modules are installed, typically by running:');
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util.log(' npm install {the module name}');
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util.log('or any other errors are resolved');
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util.log("------------------------------------------");
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storage.getFlows().then(function(flows) {
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if (flows.length > 0) {
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redNodes.setConfig(flows);
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}
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}).otherwise(function(err) {
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util.log("[red] Error loading flows : "+err);
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});
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});
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}
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function stop() {
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redNodes.stopFlows();
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}
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module.exports = {
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init: createServer,
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start: start,
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stop: stop
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}
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module.exports.__defineGetter__("app", function() { return app });
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module.exports.__defineGetter__("server", function() { return server });
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