USE_DB = 0
-import sys, os, string, re, pwd
+import ConfigParser
+import sys, os, string, re, pwd, signal
+from traceback import print_tb
if USE_DB: import pg
from time import time, sleep
from popen2 import popen2
-from LATClient import LATClient
-from VendingMachine import VendingMachine
+from LATClient import LATClient, LATClientException
+from VendingMachine import VendingMachine, VendingException
from HorizScroll import HorizScroll
from random import random, seed
from Idler import TrainIdler,GrayIdler
+import socket
+from posix import geteuid
GREETING = 'UCC SNACKS'
PIN_LENGTH = 4
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:
def done(self):
return len(self.scrolling_message) == 0
-def run_forever(rfh, wfh):
+def run_forever(rfh, wfh, options, cf):
v = VendingMachine(rfh, wfh)
print 'PING is', v.ping()
- if USE_DB: db = DispenseDatabase(v, DBServer, DBName, DBUser, DBPassword)
+ if USE_DB: db = DispenseDatabase(v, cf.DBServer, cf.DBName, cf.DBUser, cf.DBPassword)
cur_user = ''
cur_pin = ''
cur_selection = ''
# XXX this should move somewhere else:
if cur_selection == '55':
mk.set_message('OPENSESAME')
- ret = os.system('su - "%s" -c "dispense door"'%username)
+ if geteuid() == 0:
+ ret = os.system('su - "%s" -c "dispense door"'%username)
+ else:
+ ret = os.system('dispense door')
if ret == 0:
mk.set_message(center('DOOR OPEN'))
else:
cur_selection = ''
time_to_autologout = time() + 8
-if __name__ == '__main__':
- from ConfigParser import ConfigParser
+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()
+ op.add_option('-l', '--log-file', metavar='FILE', dest='log_file', default='', help='log output to the specified file')
+ op.add_option('-s', '--syslog', dest='syslog', action='store_true', default=False, help='log output to syslog')
+ op.add_option('-d', '--daemon', dest='daemon', action='store_true', default=False, help='run as a daemon')
+ 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')
- DBServer = cp.get('Database', 'Server')
- DBName = cp.get('Database', 'Name')
- DBUser = cp.get('VendingMachine', 'DBUser')
- DBPassword = cp.get('VendingMachine', 'DBPassword')
-
- ServiceName = cp.get('VendingMachine', 'ServiceName')
- ServicePassword = cp.get('VendingMachine', 'Password')
+ return options
+config_options = {
+ 'DBServer': ('Database', 'Server'),
+ 'DBName': ('Database', 'Name'),
+ 'DBUser': ('VendingMachine', 'DBUser'),
+ 'DBPassword': ('VendingMachine', 'DBPassword'),
+ 'ServiceName': ('VendingMachine', 'ServiceName'),
+ 'ServicePassword': ('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': ('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 SystemExit, e:
+ raise e
+ 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."
+ sleep(10)
+ print
+ print "Trying again anyway (might not help, but hey...)"
+
git.ucc.asn.au / uccvend-vendserver.git / blobdiff
UCC git Repository :: git.ucc.asn.au