send message from server to client python
# text_send_server.py
import socket
import select
import time
HOST = 'localhost'
PORT = 65439
ACK_TEXT = 'text_received'
def main():
# instantiate a socket object
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print('socket instantiated')
# bind the socket
sock.bind((HOST, PORT))
print('socket binded')
# start the socket listening
sock.listen()
print('socket now listening')
# accept the socket response from the client, and get the connection object
conn, addr = sock.accept() # Note: execution waits here until the client calls sock.connect()
print('socket accepted, got connection object')
myCounter = 0
while True:
message = 'message ' + str(myCounter)
print('sending: ' + message)
sendTextViaSocket(message, conn)
myCounter += 1
time.sleep(1)
# end while
# end function
def sendTextViaSocket(message, sock):
# encode the text message
encodedMessage = bytes(message, 'utf-8')
# send the data via the socket to the server
sock.sendall(encodedMessage)
# receive acknowledgment from the server
encodedAckText = sock.recv(1024)
ackText = encodedAckText.decode('utf-8')
# log if acknowledgment was successful
if ackText == ACK_TEXT:
print('server acknowledged reception of text')
else:
print('error: server has sent back ' + ackText)
# end if
# end function
if __name__ == '__main__':
main()
