socket python functions
#!/usr/bin/env python3
import socket
HOST = '127.0.0.1' # The server's hostname or IP address
PORT = 65432 # The port used by the server
with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as s:
s.connect((HOST, PORT))
s.sendall(b'Hello, world')
data = s.recv(1024)
print('Received', repr(data))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)tcp client using sockets in python
from socket import *
import sys
import json
serverName = ""
serverPort = 6100
clientSocket = socket(AF_INET, SOCK_STREAM)
clientSocket.connect((serverName, serverPort))
sample_data = {
"Aparna" : 1,
"Pooja" : 2,
"Shreya" : 3,
"Tanishq" : 4
}
serialized_data = json.dumps(sample_data) #data serialized
# clientSocket.send(str.encode(sample_data))
clientSocket.send(str.encode(serialized_data))
response_data = clientSocket.recv(1024)
print("Response data from server : ", response_data.decode())
clientSocket.close()python socketio
import socketio
sio = socketio.AsyncServer()
app = web.Application()
sio.attach(app)
async def index(request):
"""Serve the client-side application."""
with open('index.html') as f:
return web.Response(text=f.read(), content_type='text/html')
@sio.event
def connect(sid, environ):
print("connect ", sid)
@sio.event
async def chat_message(sid, data):
print("message ", data)
await sio.emit('reply', room=sid)
@sio.event
def disconnect(sid):
print('disconnect ', sid)
app.router.add_static('/static', 'static')
app.router.add_get('/', index)
if __name__ == '__main__':
web.run_app(app)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()socket python functions
HOST = '127.0.0.1' # Standard loopback interface address (localhost)
PORT = 65432 # Port to listen on (non-privileged ports are > 1023)
# ...
s.bind((HOST, PORT))Copyright © 2021 Codeinu
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