Answers for "tcp connection python"

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

python tcp server

####### 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())

tcp python

conn, addr = s.accept()
with conn:
    print('Connected by', addr)
    while True:
        data = conn.recv(1024)
        if not data:
            break
        conn.sendall(data)