tcp client python code example

Example 1: send data through tcp sockets python

import socket
TCP_IP = '127.0.0.1'
TCP_PORT = 5005
BUFFER_SIZE = 1024
MESSAGE = "Hello, World!"
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.connect((TCP_IP, TCP_PORT))
s.send(MESSAGE)
data = s.recv(BUFFER_SIZE)
s.close()
print "received data:", data

Example 2: socket programming in python

#!/usr/bin/env python3

import socket

HOST = '127.0.0.1'  # Standard loopback interface address (localhost)
PORT = 65432        # Port to listen on (non-privileged ports are > 1023)

with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
    s.bind((HOST, PORT))
    s.listen()
    conn, addr = s.accept()
    with conn:
        print('Connected by', addr)
        while True:
            data = conn.recv(1024)
            if not data:
                break
            conn.sendall(data)

Example 3: tcp server using sockets in python

import socket
from socket import *
import json

serverPort = 6100
serverSocket = socket(AF_INET, SOCK_STREAM)
# Avoiding : Python [Errno 98] Address already in use


serverSocket.bind(("", serverPort))
serverSocket.listen(1)

# TCP Server
print("The server is listening on PORT 6100")

while 1:

	connectionSocket, addr = serverSocket.accept()
	data = connectionSocket.recv(1024)

	# De-serializing data
	data_loaded = json.loads(data)
	
	print("client Sent :\n ", data_loaded)
	
	# Sending response
	connectionSocket.send(str.encode("Mil gya data"))


connectionSocket.close()

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