X-Git-Url: https://git.ucc.asn.au/?p=uccvend-vendserver.git;a=blobdiff_plain;f=sql-edition%2Fservers%2FLATClient.py;h=362a452ea9e0d0fe05ad4dd9146f83d81bd98efb;hp=4b2a1d9a07bab2e475af63b6bbaf76e95b329fa8;hb=a1f84706e31c65738e52ee1405fa8e54f4e2407b;hpb=34659fae1f24885353883f43ee9f7acb64fa0629 diff --git a/sql-edition/servers/LATClient.py b/sql-edition/servers/LATClient.py index 4b2a1d9..362a452 100644 --- a/sql-edition/servers/LATClient.py +++ b/sql-edition/servers/LATClient.py @@ -1,4 +1,7 @@ from socket import * +from select import select +from os import popen +from time import sleep LATCP_SOCKET = '/var/run/latlogin' @@ -8,8 +11,14 @@ LATCP_CMD_TERMINALSESSION = 26 LATCP_CMD_ERRORMSG = 99 class LATClient: - def __init__(self, service = None, node = None, port = None, \ - localport = None, password = None, is_queued = False): + def __init__(self, service = None, node = None, port = None, + localport = None, password = None, is_queued = False, + server_name = '', connect_password='', priv_password=''): + + self.server_name = server_name + self.connect_password = connect_password + self.priv_password = priv_password + self.sock = socket(AF_UNIX, SOCK_STREAM, 0); self.sock.connect(LATCP_SOCKET) self.send_msg(LATCP_CMD_VERSION, LAT_VERSION+'\000') @@ -32,12 +41,41 @@ class LATClient: len(password), password )) (cmd, msg) = self.read_reply() - if cmd == LATCP_CMD_ERRORMSG: - raise Exception + if ord(cmd) == LATCP_CMD_ERRORMSG: + raise Exception('LATClient: '+msg) + + r = select([self.sock], [], [], 2.0)[0] + if r: + l = self.sock.readline() + if l.find('Service in use') >= 0: + print "Service in use, apparently: restarting DEC server" + self.reboot_server() + + def __del__(self): + try: + self.sock.close() + self.sock.shutdown(2) + except: + pass + del self.sock def send_msg(self, cmd, msg): self.sock.send('%c%c%c%s'%(cmd, len(msg)/256, len(msg)%256, msg)) + def reboot_server(self): + self.sock.shutdown(2) + self.sock.close() + mop = popen('/usr/sbin/moprc '+self.server_name, 'w') + mop.write('\n') + mop.write(self.connect_password+'\n') + mop.write('grim reaper\n') + mop.write('set priv\n') + mop.write(self.priv_password+'\n') + mop.write('init del 0\n') + mop.close() + print "Waiting 10 seconds for DEC server to come back to life..." + sleep(10) + def read_reply(self): head = self.sock.recv(3) if len(head) != 3: