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server.js
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60 lines (51 loc) · 1.44 KB
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var http=require('http')
var fs=require('fs')
var path=require('path')
var mime=require('mime')
var chatServer=require('./lib/chatSrver')
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 serverStatic(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='public/index.html';
}else{
filePath='public'+request.url
}
var absPath='./'+filePath;
serverStatic(response,cache,absPath)
});
server.listen(3002,function(){
console.log('server listening on 3002')
});
chatServer.listen(server);