optimized and extended functionality
This commit is contained in:
parent
069faa91f8
commit
faee049169
7 changed files with 194 additions and 88 deletions
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@ -4,7 +4,7 @@ control your blinkstick via http requests
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## requirements
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- nodejs
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- nodejs 8.x
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- yarn / npm
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- node-gyp (probably; to build the node-hid module)
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38
blinky.js
38
blinky.js
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@ -1,23 +1,41 @@
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// requirements
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const blinkstick = require('./libs/blinkstick');
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const server = require('./libs/server');
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const logger = require('./libs/logger');
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const server = require('./libs/server.js');
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const util = require('./libs/util.js');
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const logger = require('./libs/logger.js');
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const packageJSON = require('./package');
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const INTERRUPTS = ['SIGINT', 'SIGTERM'];
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global.config = process.argv[2] || __dirname + '/config.json';
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// handle interrupts
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handleInterrupts();
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// start the application
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main();
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// main - let's get this party started
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function main() {
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server.start()
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util.fileExists(global.config)
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.then((result) => {
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global.config = require(result.path);
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global.config.path = result.path;
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})
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.then(logger.initialize)
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.then(server.start)
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.then(logger.info)
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.then(server.handleRequests)
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.catch(exit);
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}
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// ... and it all comes crashing down
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function exit(err) {
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let code = 0;
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function exit(err, code) {
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if (code == undefined) {
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code = 0;
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if (err != undefined) {
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code = 1;
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}
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}
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if (err) {
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logger.error(err);
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logger.error(packageJSON.name + " ended due to an error");
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@ -26,3 +44,11 @@ function exit(err) {
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}
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process.exit(code);
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}
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function handleInterrupts() {
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for (var index = 0; index < INTERRUPTS.length; index++) {
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process.once(INTERRUPTS[index], (code) => {
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exit(null, code);
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});
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}
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}
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@ -1,11 +1,11 @@
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{
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"server": {
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"listen": "0.0.0.0",
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"port": 3000,
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"timestamp": "DD.MM.YYYY HH:mm:ss:SS"
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"port": 3000
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},
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"log": {
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"level": "info"
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"level": "debug",
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"timestamp": "DD.MM.YYYY HH:mm:ss:SS"
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},
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"api": {
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"get": {
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@ -7,8 +7,7 @@ const blinkstick = require('blinkstick');
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const hexcolor = require('hex-color-regex');
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// constants
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const RANDOM = "random"
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const ANIMATION_STATE_INFINITE = 2;
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const RANDOM = 'random'
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const ANIMATION_STATE_INPROGRESS = 1;
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const ANIMATION_STATE_FINISH = 0;
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@ -17,19 +16,27 @@ let led;
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let animation = {};
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function findBlinkstick() {
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return new Promise(function (resolve, reject) {
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return new Promise((resolve, reject) => {
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led = blinkstick.findFirst();
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if (led !== undefined && led !== null) {
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return resolve(led);
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}
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return reject("could not find any blinkstick");
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return reject('could not find any blinkstick');
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});
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}
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// turn the blinkstick off
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function powerOff() {
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return new Promise((resolve, reject) => {
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findBlinkstick()
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.then((led) => {
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led.stop();
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led.turnOff();
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logger.info("blinkstick powered off");
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logger.info('blinkstick powered off');
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resolve();
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})
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.catch(reject);
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})
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}
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// parse a color object from given request arguments
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@ -42,17 +49,17 @@ function parseColor(value) {
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parsedColor = parseHexColor(value);
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}
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return parsedColor || function () {
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logger.warn("could not parse color value '" + value + "', defaulting to '" + config.api.post.color.default + "'");
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logger.warn('could not parse color value \'' + value + '\', defaulting to \'' + config.api.post.color.default + '\'');
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return config.api.post.color.default;
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}();
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}
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// parse rgb color values
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function parseRGBColor(value) {
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if (value.indexOf(",") == -1 && isRGBValue(value)) {
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if (value.indexOf(',') == -1 && isRGBValue(value)) {
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return convertRGBToHex(parseInt(value) || 0, 0, 0);
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} else {
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const splittedValues = value.split(",");
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const splittedValues = value.split(',');
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let color = {};
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for (let index = 0; index < splittedValues.length; index++) {
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const value = splittedValues[index];
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@ -77,7 +84,7 @@ function isRGBValue(value) {
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// convert rgb to hex color values
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function convertRGBToHex(red, green, blue) {
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return "#" + ((1 << 24) + (red << 16) + (green << 8) + blue).toString(16).slice(1);
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return '#' + ((1 << 24) + (red << 16) + (green << 8) + blue).toString(16).slice(1);
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}
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// parse hex color values
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@ -99,10 +106,10 @@ function illuminate(blinkstickConfig) {
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findBlinkstick()
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.then(function () {
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switch (blinkstickConfig.mode) {
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case "morph":
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case 'morph':
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morph(blinkstickConfig, resolve, reject);
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break;
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case "pulse":
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case 'pulse':
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startPulsing(blinkstickConfig, resolve, reject);
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break;
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default:
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@ -119,13 +126,13 @@ function setColor(blinkstickConfig, resolve, reject) {
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stopAnimation()
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.then(function () {
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setAnimationProperties(blinkstickConfig);
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logger.debug("setting color to '" + blinkstickConfig.color + "'...");
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logger.debug('setting color to \'' + blinkstickConfig.color + '\'...');
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led.setColor(blinkstickConfig.color, blinkstickConfig.options, function (err) {
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clearAnimationProperties();
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if (err) {
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return reject("error setting color '" + blinkstickConfig.color + "' (" + err + ")");
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return reject('error setting color \'' + blinkstickConfig.color + '\' (' + err + ')');
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}
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return resolve("set color to '" + blinkstickConfig.color + "'");
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return resolve('set color to \'' + blinkstickConfig.color + '\'');
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});
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});
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}
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@ -135,22 +142,23 @@ function morph(blinkstickConfig, resolve, reject) {
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stopAnimation()
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.then(function () {
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setAnimationProperties(blinkstickConfig);
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logger.debug("morphing color to '" + blinkstickConfig.color + "'...");
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logger.debug('morphing color to \'' + blinkstickConfig.color + '\'...');
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logger.debug('OPTS: ' + JSON.stringify(blinkstickConfig.options));
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led.morph(blinkstickConfig.color, blinkstickConfig.options, function (err) {
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clearAnimationProperties();
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if (err) {
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return reject("error morphing color to '" + blinkstickConfig.color + "' (" + err + ")");
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return reject('error morphing color to \'' + blinkstickConfig.color + '\' (' + err + ')');
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}
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return resolve("morphed color to '" + blinkstickConfig.color + "'");
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return resolve('morphed color to \'' + blinkstickConfig.color + '\'');
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});
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});
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}
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// start pulsing
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function startPulsing(blinkstickConfig, resolve, reject) {
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if (animation.state == ANIMATION_STATE_FINISH || (blinkstickConfig.options.pulse.max > 0 && (blinkstickConfig.options.pulse.done && blinkstickConfig.options.pulse.done < blinkstickConfig.options.pulse.max))) {
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if (animation.state == ANIMATION_STATE_FINISH || (blinkstickConfig.options.pulse.max > 0 && (blinkstickConfig.options.pulse.done && blinkstickConfig.options.pulse.done == blinkstickConfig.options.pulse.max))) {
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clearAnimationProperties();
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return resolve("finished pulsing color '" + blinkstickConfig.color + "'");
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return resolve('finished pulsing color \'' + blinkstickConfig.color + '\'');
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}
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if (animation.id && animation.id != blinkstickConfig.id) {
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stopAnimation()
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@ -165,10 +173,10 @@ function startPulsing(blinkstickConfig, resolve, reject) {
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led.pulse(blinkstickConfig.color, blinkstickConfig.options, function (err) {
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if (err) {
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clearAnimationProperties();
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return reject("error pulsing color '" + blinkstickConfig.color + "' (" + err + ")");
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return reject('error pulsing color \'' + blinkstickConfig.color + '\' (' + err + ')');
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}
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blinkstickConfig.options.pulse.done++;
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logger.debug("pulsed color '" + blinkstickConfig.color + "' " + blinkstickConfig.options.pulse.done + "/" + blinkstickConfig.options.pulse.max + " times");
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logger.debug('pulsed color \'' + blinkstickConfig.color + '\' ' + blinkstickConfig.options.pulse.done + '/' + blinkstickConfig.options.pulse.max + ' times');
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startPulsing(blinkstickConfig, resolve, reject);
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});
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}
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@ -180,11 +188,7 @@ function setAnimationProperties(blinkstickConfig) {
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}
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led.animationsEnabled = true;
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animation.id = blinkstickConfig.id;
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if (blinkstickConfig.options.pulse && blinkstickConfig.options.pulse.max === 0) {
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animation.state = ANIMATION_STATE_INFINITE;
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} else {
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animation.state = ANIMATION_STATE_INPROGRESS;
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}
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}
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// clear properties for the current animation
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@ -219,11 +223,6 @@ function isAnimationInProgress() {
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return animation != undefined && animation.state != undefined;
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}
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// is currently an infinite animation in progress
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function isInfiniteAnimationInProgress() {
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return isAnimationInProgress() && animation.state == ANIMATION_STATE_INFINITE;
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}
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// exports
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module.exports = {
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parseColor,
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@ -1,21 +1,35 @@
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// requirements
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const config = require("../config.json");
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// third party requirements
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const moment = require("moment");
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const moment = require('moment');
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// constants
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const LOG_PREFIX_DEBUG = "debug";
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const LOG_PREFIX_INFO = "info";
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const LOG_PREFIX_WARNING = "warning";
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const LOG_PREFIX_ERROR = "error";
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const LOG_PREFIX_DEBUG = 'debug';
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const LOG_PREFIX_INFO = 'info';
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const LOG_PREFIX_WARNING = 'warning';
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const LOG_PREFIX_ERROR = 'error';
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const LOGLEVEL_DEBUG = 0;
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const LOGLEVEL_INFO = 1;
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const LOGLEVEL_WARNING = 2;
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const LOGLEVEL_ERROR = 3;
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// set loglevel on "require"
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const loglevel = function() {
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switch (config.log.level) {
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var loglevel = getLogLevel();
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var timestamp = getTimestamp();
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function initialize() {
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return new Promise((resolve, reject) => {
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if (global.config == undefined) {
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reject('could not initialize logger, config is undefined');
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}
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loglevel = getLogLevel();
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timestamp = getTimestamp();
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resolve();
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});
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}
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// get the loglevel
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function getLogLevel() {
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if (global.config == undefined || global.config.log == undefined || global.config.log.level == undefined) {
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return LOGLEVEL_INFO;
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}
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switch (global.config.log.level) {
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case LOG_PREFIX_DEBUG:
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case LOGLEVEL_DEBUG:
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return LOGLEVEL_DEBUG;
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@ -31,20 +45,31 @@ const loglevel = function() {
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default:
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return LOGLEVEL_INFO;
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}
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}();
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}
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// get the timestamp format
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function getTimestamp() {
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if (global.config != undefined && global.config.log != undefined && global.config.log.format != undefined) {
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return global.config.log.timestamp;
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}
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return "DD.MM.YYYY HH:mm:ss:SS";
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}
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// log a http request
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function logRequest(request) {
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let message = "[" + request.method + "] url: \"" + request.url + "\"";
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function http(request) {
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if (request == undefined) {
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return;
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}
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let message = '[' + request.method + '] url: \'' + request.url + '\'';
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let counter = 1;
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for (let param in request.body) {
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message += ", parameter " + counter + ": \"" + param + "=" + request.body[param] + "\"";
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message += ', parameter ' + counter + ': \'' + param + '=' + request.body[param] + '\'';
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counter++;
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}
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debug(message.trim());
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}
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// prefix log with "info"
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// prefix log with 'info'
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function info(message) {
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if (loglevel > LOGLEVEL_INFO) {
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return;
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@ -52,28 +77,34 @@ function info(message) {
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trace(message);
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}
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// prefix log with "info"
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// prefix log with 'info'
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function warn(message) {
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if (loglevel > LOGLEVEL_WARNING) {
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return;
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}
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trace(message, "warning");
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trace(message, 'warning');
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}
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// prefix log with "debug"
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// prefix log with 'debug'
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function debug(message) {
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if (loglevel > LOGLEVEL_DEBUG) {
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return;
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}
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trace(message, "debug");
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trace(message, 'debug');
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}
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// prefix log with "error"
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// prefix log with 'error'
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function error(message) {
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if (loglevel > LOGLEVEL_ERROR) {
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return;
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}
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trace(message, "error");
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if (message.errors != undefined) {
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for (var index = 0; index < message.errors.length; index++) {
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trace(message.errors[index], 'error');
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}
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return;
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}
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trace(message, 'error');
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}
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// default logging function
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@ -82,31 +113,32 @@ function trace(message, prefix) {
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return;
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}
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if (prefix === undefined || prefix === null || prefix.length === 0) {
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prefix = "info";
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prefix = 'info';
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}
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let print;
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switch (prefix) {
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case "error":
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case 'error':
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print = console.error;
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break;
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case "debug":
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case 'debug':
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print = console.debug;
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break;
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case "warning":
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case 'warning':
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print = console.warn;
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break;
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default:
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print = console.log;
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}
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message = moment().format(config.server.timestamp) + " | " + prefix + " > " + message;
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message = moment().format(timestamp) + ' | ' + prefix + ' > ' + message;
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print(message);
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}
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// exports
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module.exports = {
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initialize,
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info,
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warn,
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debug,
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error,
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logRequest
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};
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http
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}
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@ -77,19 +77,23 @@ function start() {
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function handleRequests() {
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// GET methods
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app.get('*', function (request, response) {
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logger.logRequest(request);
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app.get('*', (request, response) => {
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logger.http(request);
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response.send(getHTML());
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response.end();
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});
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app.post('/off', (request, response) => {
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logger.http(request);
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response.end();
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blinkstick.powerOff();
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});
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// POST methods
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app.post('*', function (request, response) {
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logger.logRequest(request);
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app.post('*', (request, response) => {
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logger.http(request);
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response.end();
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blinkstick.illuminate(parseRequest(request.body))
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.then(logger.info)
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.catch(logger.error);
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return;
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});
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}
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@ -97,20 +101,26 @@ function handleRequests() {
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function parseRequest(data) {
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let blinkstickConfig = {
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"id": Math.random(),
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"mode": data["mode"] || config.api.post.mode.default,
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"color": blinkstick.parseColor(data["color"]),
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"mode": data.mode || config.api.post.mode.default,
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"color": blinkstick.parseColor(data.color),
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"options": {
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"duration": data["duration"] || config.api.post.duration.default,
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"steps": data.steps,
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"duration": data.duration || config.api.post.duration.default,
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"pulse": {
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"max": data["pulses"] || 0,
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"max": data.pulses || 0,
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"done": 0
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}
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}
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};
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blinkstickConfig.options.steps = blinkstickConfig.options.duration / 10;
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if (data.index != undefined) {
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blinkstickConfig.options.index = data.index;
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}
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if (blinkstickConfig.options.duration < 100) {
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blinkstickConfig.options.duration = 100;
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}
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if (blinkstickConfig.options.steps == undefined || blinkstickConfig.options.steps == 0) {
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blinkstickConfig.options.steps = blinkstickConfig.options.duration / 10;
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}
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return blinkstickConfig;
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}
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|
|
|
|||
39
libs/util.js
Normal file
39
libs/util.js
Normal file
|
|
@ -0,0 +1,39 @@
|
|||
const realpath = require('fs').realpath;
|
||||
const stat = require('fs').stat;
|
||||
|
||||
function fileExists(file) {
|
||||
return new Promise((resolve, reject) => {
|
||||
if (file == undefined) {
|
||||
reject('can not check the existence of an undefined file');
|
||||
}
|
||||
resolvePath(file)
|
||||
.then((path) => {
|
||||
stat(path, (err, stats) => {
|
||||
if (err) {
|
||||
reject(err);
|
||||
}
|
||||
resolve({ path, stats });
|
||||
})
|
||||
})
|
||||
.catch(reject);
|
||||
});
|
||||
}
|
||||
|
||||
function resolvePath(file) {
|
||||
return new Promise((resolve, reject) => {
|
||||
if (file == undefined) {
|
||||
reject('can not resolve a path to an undefined file');
|
||||
}
|
||||
realpath(file, (err, resolvedPath) => {
|
||||
if (err) {
|
||||
reject('resolving path \'' + file + '\' encountered an error >>> ' + err);
|
||||
}
|
||||
resolve(resolvedPath);
|
||||
})
|
||||
});
|
||||
}
|
||||
|
||||
module.exports = {
|
||||
fileExists,
|
||||
resolvePath
|
||||
}
|
||||
Loading…
Reference in a new issue