X-Git-Url: https://git.ucc.asn.au/?p=zanchey%2Fdispense2.git;a=blobdiff_plain;f=sql-edition%2Fservers%2FVendServer.py;h=4e0b16c98ae119262bf03d4aacfcdf8a494ddbaa;hp=de763f267c04d96266590fb6149fb1c0c0a57a31;hb=eb939cac2cad4939bc75dbaad0a39c2b3b499c49;hpb=afdb3b71c8da860389ba075d22a3b55f05b57e01 diff --git a/sql-edition/servers/VendServer.py b/sql-edition/servers/VendServer.py index de763f2..4e0b16c 100755 --- a/sql-edition/servers/VendServer.py +++ b/sql-edition/servers/VendServer.py @@ -3,6 +3,7 @@ USE_DB = 0 +import ConfigParser import sys, os, string, re, pwd if USE_DB: import pg from time import time, sleep @@ -197,11 +198,11 @@ class MessageKeeper: 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 = '' @@ -363,11 +364,10 @@ 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 +def connect_to_vend(options, cf): + # Open vending machine via LAT? if options.use_lat: - latclient = LATClient(service = ServiceName, password = ServicePassword, server_name = ServerName, connect_password = ConnectPassword, priv_password = PrivPassword) + 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') @@ -394,44 +394,75 @@ def parse_args(): return options -if __name__ == '__main__': - import ConfigParser - - options = parse_args() +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) - try: - cp = ConfigParser.ConfigParser() - cp.read(options.config_file) - 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') + for option in options: + section, name = options[option] + value = cp.get(section, name) + self.__dict__[option] = value - ServerName = cp.get('DecServer', 'Name') - ConnectPassword = cp.get('DecServer', 'ConnectPassword') - PrivPassword = cp.get('DecServer', 'PrivPassword') - except ConfigParser.Error, e: - print "Error reading config file: " + str(e) - sys.exit(1) + 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, DBServer, DBName, DBUser, DBPassword, ServiceName, ServicePassword, ServerName, ConnectPassword, PrivPassword) + 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_tb(exc_traceback) - del exc_traceback print "Trying again in 5 seconds." sleep(5) continue try: - run_forever(rfh, wfh) + run_forever(rfh, wfh, options, config_opts) except VendingException: print print "Connection died, trying again..." + +if __name__ == '__main__': + while True: + try: + do_vend_server() + except KeyboardInterrupt: + print "Killed by SIGINT." + 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...)" +