Hi all,
I¹m trying to re-create the ³HTTP server² example using PYZMQ.
My zmq version(s) are:
Current libzmq version is 4.0.3
Current pyzmq version is 14.0.1
My first attempt is listed at the end of email. It kinda¹ works, but I
have two questions:
1. For each connection, it prints a message, "Exception
zmq.error.ZMQError: ZMQError('Bad address') in
<zmq.backend.cython.message.Frame object at 0x10fbc35f0> ignored². Is
there something I did wrong, or is this something that is fixed in a more
recent version of libzmq/pyzmq?
2. How can one handle ³keep-alive² HTTP connections? If I don¹t send the
empty message, no response is sent back; but if I send it, the connection
is immediately closed.
Thanks,
Virgil.
=============================
import zmq
context = zmq.Context()
socket = context.socket(zmq.STREAM)
socket.bind("tcp://*:5555")
while True:
try:
# Wait for next request from client
clientid, message = socket.recv_multipart();
print("id: %r" % clientid)
print("request:",message)
socket.send_multipart([
clientid,
b"""HTTP/1.0 200 OK
Content-Type: text/plain
Content-Length: 13
Hello, world!
"""
], copy=False)
socket.send_multipart([
clientid,
b''
], copy=False)
print "message sent, waiting for new one!"
except KeyboardInterrupt:
print "SIGINT received, shutting down server..."
socket.close()
context.destroy()
break;
except Exception as e:
print "ERROR: unexpected exception ",e
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