X-Git-Url: https://git.ucc.asn.au/?p=zanchey%2Fdispense2.git;a=blobdiff_plain;f=sql-edition%2Fservers%2FVendServer.py;h=4a601b759a967a06edfbd01cc05ba7c63b351a46;hp=19a7e67cd971196672bdccf098b4c66f91df5ec8;hb=ab13f294b1ca0956f3793fe475d3793ed0e7a9fa;hpb=753f7f6d9b81b406cdb9b5d48fbbf2005fead1a7 diff --git a/sql-edition/servers/VendServer.py b/sql-edition/servers/VendServer.py index 19a7e67..4a601b7 100755 --- a/sql-edition/servers/VendServer.py +++ b/sql-edition/servers/VendServer.py @@ -8,10 +8,12 @@ if USE_DB: import pg from time import time, sleep from popen2 import popen2 from LATClient import LATClient -from VendingMachine import VendingMachine +from VendingMachine import VendingMachine, VendingException from HorizScroll import HorizScroll from random import random, seed from Idler import TrainIdler,GrayIdler +import socket +from traceback import print_tb GREETING = 'UCC SNACKS' PIN_LENGTH = 4 @@ -109,7 +111,7 @@ def verify_user_pin(uid, pin): else: return None -def door_open_mode(vending_machine): +def door_open_mode(v): print "Entering open door mode" v.display("-FEED ME-") while True: @@ -361,21 +363,38 @@ def run_forever(rfh, wfh): cur_selection = '' time_to_autologout = time() + 8 +# FIXME: a less ugly way of passing all these options would be nice +def connect_to_vend(options, DBServer, DBName, DBUser, DBPassword, ServiceName, ServicePassword, ServerName, ConnectPassword, PrivPassword): + # Open vending machine via LAT + if options.use_lat: + latclient = LATClient(service = ServiceName, password = ServicePassword, server_name = ServerName, connect_password = ConnectPassword, priv_password = PrivPassword) + rfh, wfh = latclient.get_fh() + else: + #(rfh, wfh) = popen2('../../virtualvend/vvend.py') + import socket + sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) + sock.connect((options.host, options.port)) + rfh = sock.makefile('r') + wfh = sock.makefile('w') + + return rfh, wfh + if __name__ == '__main__': from ConfigParser import ConfigParser from optparse import OptionParser op = OptionParser(usage="%prog [OPTION]...") + op.add_option('-f', '--config-file', default='/etc/dispense/servers.conf', metavar='FILE', dest='config_file', help='use the specified config file instead of /etc/dispense/servers.conf') op.add_option('-v', '--virtualvend', action='store_false', default=True, dest='use_lat', help='use the virtual vending server instead of LAT') op.add_option('-n', '--hostname', dest='host', default='localhost', help='the hostname to connect to for virtual vending machine mode (default: localhost)') op.add_option('-p', '--port', dest='port', default=5150, type='int', help='the port number to connect to (default: 5150)') - (options, args) = op.parse_args() + options, args = op.parse_args() if len(args) != 0: op.error('extra command line arguments: ' + ' '.join(args)) cp = ConfigParser() - cp.read('/etc/dispense/servers.conf') + cp.read(options.config_file) DBServer = cp.get('Database', 'Server') DBName = cp.get('Database', 'Name') DBUser = cp.get('VendingMachine', 'DBUser') @@ -384,18 +403,23 @@ if __name__ == '__main__': ServiceName = cp.get('VendingMachine', 'ServiceName') ServicePassword = cp.get('VendingMachine', 'Password') - - -# # Open vending machine via LAT - if options.use_lat: - latclient = LATClient(service = ServiceName, password = ServicePassword) - (rfh, wfh) = latclient.get_fh() - else: - #(rfh, wfh) = popen2('../../virtualvend/vvend.py') - import socket - sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM, 0) - sock.connect((options.host, options.port)) - rfh = sock.makefile('r') - wfh = sock.makefile('w') - - run_forever(rfh, wfh) + ServerName = cp.get('DecServer', 'Name') + ConnectPassword = cp.get('DecServer', 'ConnectPassword') + PrivPassword = cp.get('DecServer', 'PrivPassword') + + while True: + try: + rfh, wfh = connect_to_vend(options, DBServer, DBName, DBUser, DBPassword, ServiceName, ServicePassword, ServerName, ConnectPassword, PrivPassword) + except Exception: + (exc_type, exc_value, exc_traceback) = sys.exc_info() + print "Connection error ("+str(exc_type)+"):" + print_tb(exc_traceback) + del exc_traceback + print "Trying again in 5 seconds." + sleep(5) + continue + try: + run_forever(rfh, wfh) + except VendingException: + print "Connection died, trying again..." +