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pyzmqnotes's Issues

issue with server-client example

@ashishrv thanks for this documentation.
I was trying to run the client-server example, but after I run the two scripts pairserver.py and pairclient.py I can't see the messages printed in the shell. Nothing is printed. The scripts are:

  • pairserver.py
import zmq
import random
import sys
import time

port = "5556"

if len(sys.argv) > 1:
    port =  sys.argv[1]
    int(port)

context = zmq.Context()
socket = context.socket(zmq.PAIR)
socket.bind("tcp://*:%s" % port)

while True:
    socket.send_string("Server message to client3")
    msg = socket.recv()
    print(msg)
    time.sleep(1)
  • pairclient.py
import zmq
import random
import sys
import time

port = "5556"

if len(sys.argv) > 1:
    port =  sys.argv[1]
    int(port)

context = zmq.Context()
socket = context.socket(zmq.PAIR)
socket.connect("tcp://localhost:%s" % port)

while True:
    msg = socket.recv()
    print(msg)
    socket.send_string("client message to server1")
    socket.send_string("client message to server2")
    time.sleep(1)

My python and pyzmq versions are:

Python 3.6.1 (default, Apr  4 2017, 09:40:21) 
[GCC 4.2.1 Compatible Apple LLVM 8.1.0 (clang-802.0.38)] on darwin
>>> import zmq
>>> zmq.__version__
'16.0.2'

PUB/SUB example has compilation errors

  • using send and recv should be changed to send_string and recv_string
  • The scenario of having multiple pubs/subs at the same time should be covered explicitly, I recommend.

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