Alex, thanks very much for your help. The code looks difficult to me
because I am new to the Node.js. Thanks again.
On Monday, January 13, 2014 2:17:44 PM UTC-5, JPJen wrote:
> I apologize for starting a new topic. It is because the subject of my
> previous post does not carry any meaning to my question.
>
>
> I am trying to add a new URL path (Node.js home page has given an example
> to do it.) to a piece of complex existing code (shown below). The existing
> code already has server configuration code but the code looks very
> different from the "Building a Node.js Web Server" example that is showing
> in the Node.js home page.
>
>
>
> The new URL path is "/lens/v1/ping" that is sent from the browser window.
>
>
>
> If that is the URL path received, I am supposed to send a response Status
> 200 back to the browser.
>
>
>
> I am having difficulties to fit this new URL path and its associated code
> to the existing code (show below) and I am seeking help. Thank you very
> much.
>
>
>
>
> /**
> * Entry point for the RESTFul Service.
> */
> var express = require('express')var config = require('config');var _ =
> require('underscore');var bodyParser = require("vcommons").bodyParser;//
> Export config, so that it can be used anywhere
> module.exports.config = config;var Log = require('vcommons').log;var logger =
> Log.getLogger('SUBSCRIBE', config.log);var http = require("http");var https =
> require("https");var fs = require("fs");var cluster = require("cluster");var
> numCPUs = require('os').cpus().length;
> if (cluster.isMaster) {
> // Fork workers.
> for (var i = 0; i < numCPUs; i++) {
> cluster.fork();
> }
>
>
> cluster.on('online', function (worker) {
> logger.info('A worker with #' + worker.id);
> });
>
> cluster.on('listening', function (worker, address) {
> logger.info('A worker is now connected to ' + address.address + ':' +
> address.port);
> });
>
> cluster.on('exit', function (worker, code, signal) {
> logger.info('worker ' + worker.process.pid + ' died');
> });
> } else {
> logger.info("Starting Subscription Application");
> createApp();}
>
> // Create Express Appfunction createApp() {
> var app = express();
>
> app.configure(function () {
> // enable web server logging; pipe those log messages through winston
> var winstonStream = {
> write : function (message, encoding) {
> logger.trace(message);
> }
> }; // Log
>
> app.use(bodyParser({}));
> app.use(app.router);
>
>
> if (config.debug) {
> app.use(express.errorHandler({
> showStack : true,
> dumpExceptions : true
> }));
> }
> });
>
>
> // Include Router
> var router = require('../lib/router')();
>
> // Subscribe to changes by certain domain for a person
> app.post('/lens/v1/:assigningAuthority/:identifier/*',
> router.submitRequest);
>
> // Listen
> if (!_.isUndefined(config.server) || !_.isUndefined(config.secureServer))
> {
> if (!_.isUndefined(config.server)) {
> http.createServer(app).listen(config.server.port,
> config.server.host, function () {
> logger.info("Subscribe server listening at http://"; +
> config.server.host + ":"
> + config.server.port);
> });
> }
>
> if (!_.isUndefined(config.secureServer)) {
> https.createServer(fixOptions(config.secureServer.options),
> app).listen
> (config.secureServer.port, config.secureServer.host, function () {
> logger.info("Subscribe server listening at https://"; +
> config.secureServer.host
> + ":" + config.secureServer.port);
> });
> }
> } else {
> logger.error("Configuration must contain a server or secureServer.");
> process.exit();
> }}
>
> function fixOptions(configOptions) {
> var options = {};
>
> if (!_.isUndefined(configOptions.key) && _.isString(configOptions.key)) {
> options.key = fs.readFileSync(configOptions.key);
> }
>
>
> if (!_.isUndefined(configOptions.cert) && _.isString(configOptions.cert))
> {
> options.cert = fs.readFileSync(configOptions.cert);
> }
>
> if (!_.isUndefined(configOptions.pfx) && _.isString(configOptions.pfx)) {
> options.pfx = fs.readFileSync(configOptions.pfx);
> }
>
> return options;}
> // Default exception handler
> process.on('uncaughtException', function (err) {
> logger.error('Caught exception: ' + err);
> process.exit()});
> // Ctrl-C Shutdown
> process.on('SIGINT', function () {
> logger.info("Shutting down from SIGINT (Crtl-C)")
> process.exit()})
> // Default exception handler
> process.on('exit', function (err) {
> logger.info('Exiting.. Error:', err);});
>
> *node.js* <http://stackoverflow.com/questions/tagged/node.js>
>
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