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this is just testing #1

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this is just testing #1

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35 changes: 18 additions & 17 deletions server.js
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Original file line number Diff line number Diff line change
Expand Up @@ -10,8 +10,8 @@ var sys = require("sys");
var fs = require("fs");
var http = require("http");
var url = require("url");
var mongoose = require("mongoose");
var config = require("./config"); // config.js holds database parameters,
var mongoose = require("mongoose");
var config = require("./config"); // config.js holds database parameters,
// access credentials, allowed filenames

// Some syntactic sugar for the config.js parameters.
Expand All @@ -20,7 +20,7 @@ var dbUrl = config.databaseUrl;
var dbName = config.databaseName;
var allowedFiles = config.allowedFiles;

var portno = 80; // The network port to listen on.
var portno = 80; // The network port to listen on.

//
// Start running here.
Expand All @@ -33,7 +33,7 @@ startServer(); // Start the http server.
//

//
// startServer() fires up an http server and sets it to listen
// startServer() fires up an http server and sets it to listen
// on a network port (default is port 80).
//
function startServer() {
Expand All @@ -48,17 +48,17 @@ function startServer() {
function initializeDb() {
mongoose.connection.on("open", function() {
console.log("Connected to MongoDB successfully!");});
mongoose.connect("mongodb://" + loginCredentials + "@" + dbUrl + "/" + dbName);
mongoose.connect("mongodb://" + loginCredentials + "@" + dbUrl + "/" + dbName);
}

//
// serverCallback() is passed to http.createServer to be invoked each
// time a new http request arrives. Its two tasks are to log each
// request to the console and to wrap the call to dispatch() with a
// try/catch block that keeps the server running in the event of an
// error.
// error.
//
function serverCallback(req, res)
function serverCallback(req, res)
{
try {
console.log("http request received from: " +
Expand All @@ -70,7 +70,7 @@ function serverCallback(req, res)
dispatch(req, res);

} catch (err) {
// Something didn't work. Send error back to http client.
// Something didn't work. Send error back to http client.
// Log error to console. We don't terminate, so the server
// will keep processing instead of dying.
sys.puts(err);
Expand Down Expand Up @@ -105,9 +105,9 @@ function insert (collectionIdent, json, callback) {
});
}

//
//
// Some meta-state for the application to track what entry we'll send.
// Also used to detect when another entry has been added to the database.
// Also used to detect when another entry has been added to the database.
//
var maxEntry = 0;
var currentEntry = 1;
Expand All @@ -127,18 +127,18 @@ function dispatch(req, res) {
res.writeHead(code, {"Content-Type": "text/plain"});
res.end(content);
};

var renderHtml = function(content) {
res.writeHead(200, {"Content-Type": "text/html"});
res.end(content, "utf-8");
};

var randomFromTo = function(from, to){
return Math.floor(Math.random() * (to - from + 1) + from);
};

var urlparts = url.parse(req.url);

// TODO validate req.url
if (urlparts.pathname == "/getentry") {
// Query MongoLab
Expand All @@ -148,7 +148,7 @@ function dispatch(req, res) {
return;
}
if (maxEntry < docs.length) { // Someone added a guestbook entry since my last visit, start from top
currentEntry = maxEntry - 1;
currentEntry = maxEntry - 1;
maxEntry = docs.length;
} else {
currentEntry = currentEntry - 1;
Expand All @@ -161,7 +161,7 @@ function dispatch(req, res) {
var value = "";
var patt = /entry=/;
querystring.forEach(function (item) {
if (patt.test(item)) {
if (patt.test(item)) {
value = item.replace(patt,"");
value = decodeURI (value);
value = value.replace(/\+/g," "); // TODO: better way to pass in " " in parameters like a post body.
Expand All @@ -177,10 +177,10 @@ function dispatch(req, res) {
}});
renderHtml(value);
}

} else { // Let's see if an allowFiles was requested.
var filen = allowedFiles[req.url];
if (filen == undefined) filen = "error.html"; // couldn't understand the pathname, send error.html
if (filen == undefined) filen = "error.html"; // couldn't understand the pathname, send error.html
filen = "./webroot/" + filen;
console.log ("fetching: " + filen);

Expand Down Expand Up @@ -224,3 +224,4 @@ function printusage() {
process.exit(1);
}

//I am so sorry! I just practice that how to use github.