Dec-29-2018, 06:39 PM
I have tow system one is system A and anothr is system B
System A - Server (pi)
System B - Client (printer)
I want to send a request to the printer
if request accepted, get the data from the printer
I found the two program but I don't understand which one used for my purpose
Client
Here's simple code to send and receive data by TCP in Python
Here's simple code to serve TCP in Python:
System A - Server (pi)
System B - Client (printer)
I want to send a request to the printer
if request accepted, get the data from the printer
I found the two program but I don't understand which one used for my purpose
Client
Here's simple code to send and receive data by TCP in Python
#!/usr/bin/env 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:", dataServer
Here's simple code to serve TCP in Python:
#!/usr/bin/env python import socket TCP_IP = '127.0.0.1' TCP_PORT = 5005 BUFFER_SIZE = 20 # Normally 1024, but we want fast response s = socket.socket(socket.AF_INET, socket.SOCK_STREAM) s.bind((TCP_IP, TCP_PORT)) s.listen(1) conn, addr = s.accept() print 'Connection address:', addr while 1: data = conn.recv(BUFFER_SIZE) if not data: break print "received data:", data conn.send(data) # echo conn.close()