Thanks all for your attention. I realize my confusion now.
I still need help because I am new to the Node.js.
I am trying to add a new URL path to a piece of existing code (shown
below). The existing code already has server configuration code but the
code looks different from the example that is showing in the Node.js home
page.
The new URL path is "/lens/v1/ping" 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* <http://logger.info/>('A worker with #' +
*worker.id*<http://worker.id/>
);
});
cluster.on('listening', function (worker, address) {
*logger.info* <http://logger.info/>('A worker is now connected to '
+ address.address + ':' + address.port);
});
cluster.on('exit', function (worker, code, signal) {
*logger.info* <http://logger.info/>('worker ' + worker.process.pid
+ ' died');
});
} else {
*logger.info* <http://logger.info/>("Starting Subscription
Application");
createApp();
}
// Create Express App
function 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* <http://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* <http://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* <http://logger.info/>("Shutting down from SIGINT
(Crtl-C)")
process.exit()
})
// Default exception handler
process.on('exit', function (err) {
*logger.info* <http://logger.info/>('Exiting.. Error:', err);
});
On Friday, January 10, 2014 2:50:00 PM UTC-5, JPJen wrote:
> 0 down vote
> favorite<http://stackoverflow.com/questions/21051809/typeerror-parameter-must-be-a-string-while-parsing-a-url/21051889?noredirect=1#>
>
>
> I have two questions.
>
> I have a code snippet below
>
> var http = require('http'),
> https = require('https'),
> crypto = require('crypto');var S = require('string');var url =
> require('url');var req = require('request');
> var path = url.parse(req.url).pathname;
>
> The error message points at
>
> var path = url.parse(req.url).pathname;
>
> saying throw new TypeError("Parameter 'url' must be a string. not " +
> typeof url)
>
> What is wrong with that statemet? Do I have to put that statement in a
> function? But, I do not know what function I should create for dong url
> parsing. res.writeHead(200, {'Content-Type': 'text/plain'});
> res.write('The
> lens route is up and running!\n'); res.end(); } else { res.writeHead(404,
> 'Not
> Found'); res.end('HTTP 1.1 404/Not Found'); }
>
> My second question refers to the code snippet below. Can I compare the
> path that I extract from a URL and compare it with a string using *==* ?
>
> if ((S(path) == '/lens/v1/ping') || (S(path) == '/lens/v1/PING')) {
>
> Thank you very much in advance.
>
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