import socket
import select
import time
class Server(object):

  def __init__(self):
    self.host = ''
    self.port = 4242
    self.client_list = list()
    self.client_info = list()
    self.exit = False

    self.main_socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
    self.main_socket.bind((self.host, self.port))
    self.main_socket.listen(5)
    print("Le serveur écoute à présent sur le port {}".format(self.port))

  def accept(self):
    accept_list, wlist, xlist = select.select([self.main_socket],[], [], 0.05)
    for client in accept_list:
      client_socket, client_info = client.accept()
      self.client_list.append(client_socket)
      self.client_info.append(client_info)
      print("Client connected !")

  def recv(self):
    sending_client = list()
    try:
      sending_client, wlist, xlist = select.select(self.client_list, [], [], 0.05)
    except select.error:
      pass

    for client in sending_client:
      try:
        index = self.client_list.index(client)
        client_address = self.client_info[index]
        data = client.recv(1024)
        message = data.decode()
        print("{}> {}".format(client_address, message))

        message = "Hello !"
        data = message.encode()
        #time.sleep(2)
        client.send(data)
        print("Server> {}".format(message))
      except ConnectionResetError:
        self.client_list[index].close()
        del self.client_list[index]
        del self.client_info[index]

  def run(self):
    while not self.exit:
      self.accept()
      self.recv()

    print("Closing connections")
    for client in self.client_list:
      client.close()

    self.main_socket.close()

test = Server()
test.run()