python tcp socket example

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python tcp socket example

# Basic example where server accepts messages from client.

# importing socket library
import socket

# socket.AF_INET means we're using IPv4 ( IP version 4 )
# socket.SOCK_STREAM means we're using TCP protocol for data transfer
socket = socket.socket(socket.AF_INET, socket.SOCK_STREAM)

print("Choose mode. s - server, c - client")
mode = input("> ")

if mode == "s":
  ip = input("Your computer's ip address: ")
  port = 80
  
  # Binding socket to specified ip address and port
  socket.bind((ip, port))
  
  # This is max ammount of clients we will accept
  socket.listen(1)
  
  # Accepting connection from client
  sock, addr = socket.accept()
  print("Client connected from", addr)
  
  # Receiving data from client
  while True:
    data = sock.recv(16384) # Raw data from client
    text = data.decode('utf-8') # Decoding it
    
    print("Message from client:", text)
    
elif mode == "c":
  ip = input("Server ip address: ")
  
  # Connecting to server
  socket.connect((ip, 80))
  
  # Sending data
  while True:
    socket.send(input("Message: ").encode('utf-8'))
####### TCP Server #######

from socket import AF_INET,SOCK_STREAM,socket

# AF_INET => TCP
# SOCK_STREAM => IPv4

sobj = socket(AF_INET,SOCK_STREAM)
sobj.bind(('127.0.0.1',12345))
sobj.listen(1)

client , addr = sobj.accept()
print("the ip is connected to server ",addr)

while(True):
    
    message = input()
    if(message == "exit"):
        client.close()
        break
    else:
        client.send(message.encode())

        
####### TCP Client #######

from socket import AF_INET,SOCK_STREAM,socket

sobj = socket(AF_INET,SOCK_STREAM)
sobj.connect(('127.0.0.1',12345))
while True:
    message = sobj.recv(2048)
    if(message == "exit"):
        sobj.close()
        break
    elif(message.decode() == ''):
        pass
    else:
        print(message.decode())
    
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
target_host = "www.google.com" 
 
target_port = 80  # create a socket object 
client = socket.socket(socket.AF_INET, socket.SOCK_STREAM)  
 
# connect the client 
client.connect((target_host,target_port))  
 
# send some data 
request = "GET / HTTP/1.1rnHost:%srnrn" % target_host
client.send(request.encode())  
 
# receive some data 
response = client.recv(4096)  
http_response = repr(response)
http_response_len = len(http_response)
 
#display the response
gh_imgui.text("[RECV] - length: %d" % http_response_len)
gh_imgui.text_wrapped(http_response)
#!/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)

Conclusion

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Hi, I'm Ranjith a full-time Blogger, YouTuber, Affiliate Marketer, & founder of Coder Diksha. Here, I post about programming to help developers.

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