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Built a Node js server #58

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234bdd3
Node server sends back Hello world
lakshmi2812 Nov 8, 2017
0d6c03e
Node js sends back HTML file
lakshmi2812 Nov 8, 2017
4a7515d
Request and Response data displayed correctly
lakshmi2812 Nov 8, 2017
492d970
Built a Node js server
lakshmi2812 Nov 8, 2017
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1 change: 1 addition & 0 deletions README.md
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Original file line number Diff line number Diff line change
@@ -1,2 +1,3 @@
# assignment_build_a_nodejs_server
Building your first Node.js server and exploring the request and response objects
Hi.. This is Lakshmi Maduri!
53 changes: 53 additions & 0 deletions app.js
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var http = require('http');
var fs = require('fs');


var hostname = 'localhost';
var port = 3000;

////Node server sends back "Hello world!" :) - (this code works!)

// var server = http.createServer((req, res)=>{
// res.writeHead(200, {
// 'Content-Type':'text/plain'
// });
// res.end("Hello World!");
// });
//
// server.listen(port, hostname, ()=>{
// console.log(`Server is listening at ${hostname}:${port}`);
// });

//Displaying request and response data
var server = http.createServer((req, res)=>{
fs.readFile('./public/index.html', 'utf-8', function(err, data){
if(err){
res.writeHead(404);
res.end("File Not Found");
}else{
var reqObj = {
url:req.url,
method:req.method,
version:req.httpVersion,
header:req.headers
};
var new_req_str = JSON.stringify(reqObj, null, 2);
data = data.replace("{{ req }}", new_req_str);
var resObj = {
statusMessage:res.statusMessage,
statusCode:res.statusCode,
_header:res._header
};
var new_res_str = JSON.stringify(resObj, null, 2);
data = data.replace("{{ res }}", new_res_str);
res.writeHead(200,{
'Content-Type':'text/html'
});
res.end(data);
}
});
});

server.listen(port, hostname, ()=>{
console.log(`Server is listening at ${hostname}:${port}`);
});
25 changes: 25 additions & 0 deletions public/index.html
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<html>
<head>
</head>
<body>
<h1>Node js sends back hello!</h1>
<div>
<form action="../app.js" method = "get">
Username:<br>
<input type="text" name="username" placeholder="Enter your full name"><br>
Password:<br>
<input type="password" name="pwd"><br><br>
<input type="submit" value="Submit" id = "Submit">
</form>
</div>
<div id = "request">
<h2>Request:</h2>
<pre>{{ req }}</pre>
</div>

<div id = "response">
<h2>Response:</h2>
<pre>{{ res }}</pre>
</div>
</body>
</html>