# Copyright (c) 2011 Andreas Balogh
# See LICENSE for details.

""" prc_publish.eventlet

Price Publisher
"""

# imports

from argparse import ArgumentParser
import eventlet
import logging
import os
import socket
import sys
import cPickle as pickle

LOG = logging.getLogger()

# definitions

def main(argv=None):
    if argv is None:
        argv = sys.argv
    LOG.info("starting '%s %s'", os.path.basename(argv[0]), " ".join(argv[1:]))
    # parse options and arguments
    parser = ArgumentParser(description="Price Publisher")
    parser.add_argument("-f", "--file", dest="filename",
                      help="read configuration from %(dest)s")
    parser.add_argument("-p", "--port", default=8001, type=int,
                      help="server port [default: %(default)s")
    args = parser.parse_args()
    print args
    # application 
    address = ('localhost', 8010)
    eventlet.spawn_n(subscriber, address)
    while True:
        eventlet.sleep(1)

def subscriber(address):
    while True:
        while True:
            try:
                LOG.info("connecting to %s", address)
                cx = eventlet.connect(address)
                break
            except socket.error, e:
                LOG.error("%i %s", e.errno, e)
                eventlet.sleep(1)
        while True:
            s = cx.recv(4096)
            if len(s) == 0:
                LOG.error("connection broken")
                break
            item = pickle.loads(s)
            LOG.info("%s", item)
        cx.close()


if __name__ == '__main__':
    logging.basicConfig(level=logging.DEBUG,
                        format='%(asctime)s.%(msecs)03i %(levelname).4s %(funcName)10s: %(message)s',
                        datefmt='%H:%M:%S')
    main()