Networking examples

http-client.py

import requests

r = requests.get('http://192.168.11.136:5000', params={'foo': 123})

print(r.text)

http-server.py

from flask import Flask, request

app = Flask(__name__)

@app.route('/')
def hello():
    print(request.args)
    return 'hello'

tcp-client.py

import socket
import time

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.connect(('192.168.11.1', 7000))
print('connected')

while True:
    s.send('hello\n'.encode('utf-8'))
    time.sleep(1)

tcp-server.py

import socket

s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

s.bind(('0.0.0.0', 7000))

s.listen()

connection, client_address = s.accept()
print('connected', connection, client_address)

while True:
    data = connection.recv(1000).decode('utf-8')
    print('data: ', data)

udp-client.py

import socket
import time

s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)

while True:
    print('send message')
    s.sendto('hello'.encode('utf-8'), ('192.168.11.1', 6000))
    time.sleep(1)

udp-server.py

import socket

s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
server_address = ('0.0.0.0', 6000)
s.bind(server_address)

while True:
    data, address = s.recvfrom(4096)
    print('data: ', data.decode('utf-8'))