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server.js
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server.js
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var http = require('http');
var fs = require('fs');
var path = require('path');
var mime = require('mime');
var cache = {};
function send404(response) {
response.writeHead(404, {'Content-Type': 'text/plain'});
response.write('Error 404: resource not found.');
response.end();
}
function sendFile(response, filePath, fileContents) {
response.writeHead(
200,
{"content-type": mime.lookup(path.basename(filePath))}
);
response.end(fileContents);
}
function serveStatic(response, cache, absPath) {
if (cache[absPath]) {
sendFile(response, absPath, cache[absPath]);
} else {
fs.exists(absPath, function(exists) {
if (exists) {
fs.readFile(absPath, function(err, data) {
if (err) {
send404(response);
} else {
cache[absPath] = data;
sendFile(response, absPath, data);
}
});
} else {
send404(response);
}
});
}
}
var server = http.createServer(function(request, response) {
var filePath = false;
if (request.url == '/') {
filePath = 'index.html';
} else {
filePath = request.url;
}
var absPath = './' + filePath;
serveStatic(response, cache, absPath);
});
var port = 8080;
server.listen(port, '192.168.0.101', function() {
console.log("Server listening on port: " + port);
});