+ time_to_autologout = time() + 8
+
+def connect_to_vend(options, cf):
+ # Open vending machine via LAT?
+ if options.use_lat:
+ latclient = LATClient(service = cf.ServiceName, password = cf.ServicePassword, server_name = cf.ServerName, connect_password = cf.ConnectPassword, priv_password = cf.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
+
+def parse_args():
+ 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()
+
+ if len(args) != 0:
+ op.error('extra command line arguments: ' + ' '.join(args))
+
+ return options
+
+config_options = {
+ 'DBServer': ('Database', 'Server'),
+ 'DBName': ('Database', 'Name'),
+ 'DBUser': ('VendingMachine', 'DBUser'),
+ 'DBPassword': ('VendingMachine', 'DBPassword'),
+
+ 'ServiceName': ('VendingMachine', 'ServiceName'),
+ 'ServicePassword': ('VendingMachine', 'Password'),
+
+ 'ServerName': ('DecServer', 'Name'),
+ 'ConnectPassword': ('DecServer', 'ConnectPassword'),
+ 'PrivPassword': ('DecServer', 'PrivPassword'),
+ }
+
+class VendConfigFile:
+ def __init__(self, config_file, options):
+ try:
+ cp = ConfigParser.ConfigParser()
+ cp.read(config_file)
+
+ for option in options:
+ section, name = options[option]
+ value = cp.get(section, name)
+ self.__dict__[option] = value
+
+ except ConfigParser.Error, e:
+ print "Error reading config file "+config_file+": " + str(e)
+ sys.exit(1)
+
+def do_vend_server():
+ options = parse_args()
+ config_opts = VendConfigFile(options.config_file, config_options)
+
+ while True:
+ try:
+ rfh, wfh = connect_to_vend(options, config_opts)
+ except (LATClientException, socket.error), e:
+ (exc_type, exc_value, exc_traceback) = sys.exc_info()
+ del exc_traceback
+ print
+ print "Connection error: "+str(exc_type)+" "+str(e)
+ print "Trying again in 5 seconds."
+ sleep(5)
+ continue
+ try:
+ run_forever(rfh, wfh, options, config_opts)
+ except VendingException:
+ print
+ print "Connection died, trying again..."
+
+if __name__ == '__main__':
+ def do_nothing(signum, stack): pass
+ def stop_server(signum, stack): raise KeyboardInterrupt
+ signal.signal(signal.SIGHUP, do_nothing)
+ signal.signal(signal.SIGTERM, stop_server)
+ signal.signal(signal.SIGINT, stop_server)
+ while True:
+ try:
+ do_vend_server()
+ except KeyboardInterrupt:
+ print "Killed by signal."
+ break
+ except:
+ (exc_type, exc_value, exc_traceback) = sys.exc_info()
+ print
+ print "Uh-oh, unhandled " + str(exc_type) + " exception"
+ print "Message: ", str(exc_value)
+ print
+ print_tb(exc_traceback)
+ del exc_traceback
+ print
+ print "This message should be considered a bug in the Vend Server."
+ print "Please report this to someone who can fix it."
+ print
+ print "Trying again anyway (might not help, but hey...)"
+