yadyn/server/CmdReceiver.py
Wolfgang Hottgenroth 43cbe5bac9 docstring
2013-11-13 21:45:12 +01:00

243 lines
8.9 KiB
Python

import SocketServer
import threading
import cmd
import sys
import time
import Entry
import Customer
from logger import Logger
class LocalMyCmdException(Exception):
def __init__(self, msg):
self.msg = msg
class MyCmd(cmd.Cmd):
@classmethod
def setClassParams(cls, entries, customers):
cls.entries = entries
cls.customers = customers
def __init__(self, i, o):
cmd.Cmd.__init__(self, completekey=None, stdin=i, stdout=o)
cmd.Cmd.use_rawinput = False
self.intro = "Hello at the yadyn cli\n"
self.prompt = "yadyn> "
def do_list(self, l):
"""list all or list <dynid>
List the details of all entries or of the entry specified by <dynid>"""
try:
parts = l.split(' ')
if len(parts) != 1:
raise LocalMyCmdException("illegal number of arguments")
x = parts[0]
if x == 'all':
for entry in MyCmd.entries.values():
self.stdout.write(str(entry) + "\n")
elif MyCmd.entries.has_key(x):
self.stdout.write(str(MyCmd.entries[x]) + "\n")
else:
raise LocalMyCmdException("unknown dynid")
except LocalMyCmdException, e:
self.stdout.write("Failure: %s\n" % str(e.msg))
def do_reset(self, l):
"""reset all or reset <dynid>
Reset the address details of all or of the entry specified by <dynid>."""
try:
parts = l.split(' ')
if len(parts) != 1:
raise LocalMyCmdException("illegal number of arguments")
x = parts[0]
if x == 'all':
for entry in MyCmd.entries.values():
entry.address = '0.0.0.0'
entry.addressInDns = '0.0.0.0'
entry.lastEventTime = int(time.time())
self.stdout.write(str(entry) + "\n")
else:
if MyCmd.entries.has_key(x):
MyCmd.entries[x].address = '0.0.0.0'
MyCmd.entries[x].addressInDns = '0.0.0.0'
MyCmd.entries[x].lastEventTime = int(time.time())
self.stdout.write(str(MyCmd.entries[x]) + "\n")
else:
raise LocalMyCmdException("unknown dynid")
except LocalMyCmdException, e:
self.stdout.write("Failure: %s\n" % str(e.msg))
def do_add(self, l):
"""add <dynid> <name> <zone> <shared secret>
dynid is the key of the entry, name is the left-most part of the hostname to be set, zone is the domain part of the hostname to be set, shared secret is the password."""
try:
parts = l.split(' ')
if len(parts) != 4:
raise LocalMyCmdException("illegal number of arguments")
(dynid, name, zone, sharedSecret) = parts
if MyCmd.entries.has_key(dynid):
raise LocalMyCmdException("duplicate dynid")
for entry in MyCmd.entries.values():
if entry.name == name and entry.zone == zone:
raise LocalMyCmdException("duplicate full name")
newEntry = Entry.Entry(dynid, sharedSecret, name, zone)
MyCmd.entries[dynid] = newEntry
self.stdout.write("Done\n")
except LocalMyCmdException, e:
self.stdout.write("Failure: %s\n" % str(e.msg))
def do_edit(self, l):
"""edit <dynid> <key> <value>
Change the name or the shared secret of the entry."""
try:
parts = l.split(' ')
if len(parts) != 3:
raise LocalMyCmdException("illegal number of arguments")
(dynid, attr, value) = parts
if not MyCmd.entries.has_key(dynid):
raise LocalMyCmdException("unknown dynid")
if attr == 'sharedSecret':
MyCmd.entries[dynid].sharedSecret = value
elif attr == 'name':
MyCmd.entries[dynid].name = value
else:
raise LocalMyCmdException("unknown attribute to change")
self.stdout.write("Done\n")
except LocalMyCmdException, e:
self.stdout.write("Failure: %s\n" % str(e.msg))
def do_delete(self, l):
"""delete <dynid>
delete the entry specified by dynid"""
try:
parts = l.split(' ')
if len(parts) != 1:
raise LocalMyCmdException("illegal number of arguments")
x = parts[0]
if not MyCmd.entries.has_key(x):
raise LocalMyCmdException("unknown dynid")
del MyCmd.entries[x]
self.stdout.write("Done\n")
except LocalMyCmdException, e:
self.stdout.write("Failure: %s\n" % str(e.msg))
def do_debug(self, l):
try:
parts = l.split(' ')
if len(parts) != 1:
raise LocalMyCmdException("illegal number of arguments")
if parts[0] == 'on':
Logger.debugEnable()
elif parts[0] == 'off':
Logger.debugDisable()
else:
raise LocalMyCmdException("illegal argument")
except LocalMyCmdException, e:
self.stdout.write("Failure: %s\n" % str(e.msg))
def do_quit(self, l):
"""quit
Quit the shell"""
self.stdout.write("Bye\n")
return True
def do_addcust(self, l):
try:
parts = l.split(' ')
if len(parts) != 5:
raise LocalMyCmdException("illegal number of arguments")
(zone, adminPwd, contact, email, maxEntries) = parts
if MyCmd.customers.has_key(zone):
raise LocalMyCmdException("duplicate zone")
try:
maxEntries = int(maxEntries)
except ValueError:
raise LocalMyCmdException("maxEntries is no number")
newCustomer = Customer.Customer(zone, adminPwd, contact, email, maxEntries)
MyCmd.customers[zone] = newCustomer
self.stdout.write("Done\n")
except LocalMyCmdException, e:
self.stdout.write("Failure: %s\n" % str(e.msg))
def do_editcust(self, l):
try:
parts = l.split(' ')
if len(parts) != 3:
raise LocalMyCmdException("illegal number of arguments")
(zone, attr, value) = parts
if not MyCmd.customers.has_key(zone):
raise LocalMyCmdException("unknown zone")
if attr == 'adminPwd':
MyCmd.customers[zone].adminPwd = value
elif attr == 'contact':
MyCmd.customers[zone].contact = value
elif attr == 'email':
MyCmd.customers[zone].email = value
elif attr == 'maxEntries':
try:
MyCmd.customers[zone].maxEntries = int(value)
except ValueError:
raise LocalMyCmdException("value is no number")
else:
raise LocalMyCmdException("unknown attribute to change")
self.stdout.write("Done\n")
except LocalMyCmdException, e:
self.stdout.write("Failure: %s\n" % str(e.msg))
def do_deletecust(self, l):
try:
parts = l.split(' ')
if len(parts) != 1:
raise LocalMyCmdException("illegal number of arguments")
zone = parts[0]
if not MyCmd.customers.has_key(zone):
raise LocalMyCmdException("unknown zone")
del MyCmd.customers[zone]
self.stdout.write("Done\n")
except LocalMyCmdException, e:
self.stdout.write("Failure: %s\n" % str(e.msg))
def do_listcust(self, l):
try:
parts = l.split(' ')
if len(parts) != 1:
raise LocalMyCmdException("illegal number of arguments")
x = parts[0]
if x == 'all':
for customer in MyCmd.customers.values():
self.stdout.write(str(customer) + "\n")
elif MyCmd.customers.has_key(x):
self.stdout.write(str(MyCmd.customers[x]) + "\n")
else:
raise LocalMyCmdException("unknown zone")
except LocalMyCmdException, e:
self.stdout.write("Failure: %s\n" % str(e.msg))
class CmdHandler(SocketServer.StreamRequestHandler):
def handle(self):
myCmd = MyCmd(self.rfile, self.wfile)
myCmd.cmdloop()
class CmdServer(SocketServer.ThreadingTCPServer):
def __init__(self, server_address, RequestHandlerClass):
self.allow_reuse_address = True
SocketServer.ThreadingTCPServer.__init__(self, server_address, RequestHandlerClass)
class CmdReceiver(threading.Thread):
def __init__(self, cmdAddr, entries, adminPwd):
threading.Thread.__init__(self)
self.cmdAddr = cmdAddr
MyCmd.setClassParams(entries, adminPwd)
self.setDaemon(True)
def run(self):
CmdServer(self.cmdAddr, CmdHandler).serve_forever()