QOTD server

qotd.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
# Date of version: 5/may/2017 (G. C.)
# A generic class 
# Copyright © 2016 Giovanni Alfredo Garciliano Díaz

# This file is part of rdhttpd
# rdhttpd is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.

# rdhttpd is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.

# You should have received a copy of the GNU General Public License
# along with rdhttpd.  If not, see <http://www.gnu.org/licenses/>.

import socket
import threading
from printf import printf
import random

class server(object):
	""" Base class for implementing any server"""
	def __init__(self, host, port, timeout, listen, log, quotes):
		self.timeout = timeout
		self.listenn = listen
		self.socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
		printf("qotd: Created a TCP socket", 5)
		self.socket.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
		self.socket.bind((host, port))
		printf("qotd: Socket hearing on port" + str(port), 4)
		self.linearray = []
		try:
			reader = open(quotes, 'r')
		except PermissionError:
			printf("qotd: Unauthorized for access to the file" + quotes, 1)
			exit(1)
		except FileNotFoundError:
			printf("qotd: File" + quotes + "doesn't exists", 1)
			exit(1)
		except:
			printf("qotd: An error has occurred with the file" + quotes , 2)
			exit(1)
		else:
			printf("qotd: File" + quotes + "read", 4)
		for line in reader.readlines():
			self.linearray.append(line)

	def listen(self):
		self.socket.listen(self.listenn)
		while True:
			client, address = self.socket.accept()
			client.settimeout(self.timeout)
			threading.Thread(target = self.listenToClient,args = (client,address)).start()

	def listenToClient(self, client, address):
		sendmsg = self.server()
		objectbyte = sendmsg.encode()
		client.send(objectbyte)
		client.close()

	def server(self):
		quote = random.choice(self.linearray)
		quote = quote.split("\t")
		response = quote[0] + "\n" + quote[1] + ", " + quote[2] + " " + quote[3]
		return response

try:
	if len(sys.argv) != 6:
		raise exceptions.ArgumentError("You must pass: HOST, PORT, TIMEOUT, LISTEN, LOG, QUOTES")
	else:
		parameters = []
		for i in sys.argv:
			parameters.append(i)
		parameters[0] = str(parameters[0])  # HOST
		parameters[1] = int(parameters[1])  # PORT
		parameters[2] = int(parameters[2])  # TIMEOUT
		parameters[3] = int(parameters[3])  # LISTEN
		parameters[4] = str(parameters[4])  # LOG
		parameters[5] = str(parameters[5])  # QUOTES
		myserv.listen()
except ValueError:
	printf("qotd: The type of the parameters are incorrect. Exiting...", 1)
except ArgumentError:
	pass
except PermissionError:
	printf("qotd: You must be superuser for use the port 17. Exiting...", 1)
except KeyboardInterrupt:
	printf("qotd: ^C pressed. Exiting...", 4)
except:
	printf("qotd: An error has occurred. Exiting...", 1)