#!/usr/bin/python
import socket, threading
out = []
lock = threading.Lock()
total_thread = 200
#Creat new out file
open("out.txt", "w").close()

def worker(urls):
    global out
    print "Start thread"
    for url in urls:
        url = url.replace("http", "").strip()
        s = socket.socket()
        try:
            s.connect((url, 80))
        except:
            print "Can't connect to "+url
            continue
        req = "GET / HTTP/1.1\r\n"
        req += "Host: "+url+"\r\n"
        req += "Content-type: text/html\r\n\r\n"
        s.send(req)
        res = s.recv(20)
        s.close()
        if(res.find("200") != -1 or res.find("302") != -1 or res.find("301") != -1):
            print url+" Oke"
            out.append(url)
            wTf()

def wTf():
    global out
    if(len(out) > 400):
        lock.acquire()
        with open("out.txt", "a") as ff:
            ff.write("\r\n".join(out))
        out = []
        print "LETS WRITE TO FILE!"
        lock.release()

with open("urls.txt") as url:
    qq = url.readlines()
    arlen = len(qq)/total_thread
    for i in xrange(total_thread):
        tt = threading.Thread(target=worker, args=(qq[arlen*i:arlen*(i+1)],))
        tt.start()