# The simplest possible WEB server printing "Hello World!"
# Program written for the IoT course at the University of Cape Coast
# This first version does not use picoweb but accesses the socket interface
# directly
# copyright (c) U. Raich April 2020
# This program is released under GPL
import time,sys
import network
import socket
import wifi_connect
import uerrno
print ("Connecting to the network")
wifi_connect.connect()
ipaddr=wifi_connect.getIPAddress()
html = """
Hello World
The Hello World! HTML page
This is the Hello World html page Version 1, served by a WEB server communicating through sockets directly.
The html code is embedded in the server itself. There is no separate HTML file.
The program was written for
the Course on the Internet of Things (IoT) at the
University of Cape Coast (Ghana)
Copyright (c) U. Raich, April 2020,
released under GPL
"""
# listen to a socket on port 80
s=socket.socket(socket.AF_INET,socket.SOCK_STREAM)
s.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
try:
s.bind(('',80))
except OSError as exception:
if exception.args[0] == uerrno.EADDRINUSE:
print("Socket is already bound, please reset the machine")
sys.exit()
s.listen(5)
print("Starting the Hello World WEB server on IP address ",ipaddr,"port 80")
while True:
conn,addr=s.accept()
print("GOT a connection from %s" % str(addr))
request=conn.recv(1024)
print("Content %s" % str(request))
request=str(request)
response=html
conn.send(response)
conn.close()