Updated with a whole bunch of XXX commands for azaroth.

This commit is contained in:
Jeremy Fincher 2004-07-27 09:52:34 +00:00
parent 6cc8c29a6b
commit e6ff03a3a8

View File

@ -1,40 +1,49 @@
#!/usr/bin/env python
# You need a copyright notice here, azaroth.
import utils
import conf
import ircutils
import socket
import ircmsgs
import log
import threading
import world
# You might do well to put links to the documentation you're basing this on
# here.
import os
import time
import struct
import log
import conf
import utils
import world
import socket
import ircmsgs
import ircutils
import threading
def isDCC(msg):
if (msg.args[1][1:4] == "DCC"):
return True
else:
return False
# This needs to be more specific, it would catch too many messages
# discussing DCC stuff. I added a test for this.
return msg.command == 'PRIVMSG' and msg.args[1][1:4] == 'DCC'
# ---- Out Handlers ----
class DCCHandler:
# You should reconsider whether all these arguments are necessary in the
# constructor. Long argument lists generally mean bad factoring.
def __init__(self, irc, nick, hostmask, logger=None):
self.irc = irc
self.nick = nick
self.hostmask = hostmask
self.sock = None
# XXX () in if/while.
if (logger):
# Log somewhere specific
# XXX Log something specific
self.log = logger
else:
self.log = log
# XXX Why 120? Shouldn't that be configurable?
self.timeout = 120
def start(self):
# What's this self.open? I don't see an open method.
t = threading.Thread(target=self.open)
world.threadsSpawned += 1
t.setDaemon(True)
@ -42,13 +51,14 @@ class DCCHandler:
def clientConnected(self):
pass
def clientClosed(self):
pass
class SendHandler(DCCHandler):
""" Handle sending a file """
# What I said about long argument lists in DCCHandler applies doubly here.
def __init__(self, irc, nick, hostmask, filename, logger=None, start=0):
DCCHandler.__init__(self, irc, nick, hostmask, logger)
self.filename = filename
@ -60,28 +70,34 @@ class SendHandler(DCCHandler):
def packetSent(self):
pass
def registerPort(self):
pass
def open(self):
ip = conf.supybot.externalIP()
host = ircutils.hostFromHostmask(self.irc.prefix)
if (not ip):
if not ip:
try:
ip = socket.gethostbyname(host)
except:
except: # XXX Don't use blank excepts.
# XXX Be sure you mention who you are and why you couldn't do
# what you should.
self.log.warning('Could not determine IP address')
return
try:
self.filesize = os.path.getsize(self.filename)
except OSError, e:
# XXX: There should be a log.warning or log.error here.
# Doesn't exist
# ^^^^^^^^^^^^^ What doesn't exist?
return
sock = utils.getSocket(ip)
try:
sock.bind((ip, 0))
except socket.error, e:
# XXX: There should be a log.warning or log.error here.
return
port = sock.getsockname()[1]
self.port = port
@ -90,30 +106,53 @@ class SendHandler(DCCHandler):
i = ircutils.dccIP(ip)
sock.listen(1)
self.irc.queueMsg(ircmsgs.privmsg(self.nick,
'\x01DCC SEND %s %s %d %d\x01' % (self.filename, i, port,
self.filesize)))
## self.irc.queueMsg(ircmsgs.privmsg(self.nick,
## '\x01DCC SEND %s %s %d %d\x01' % (self.filename, i, port,
## self.filesize)))
## That formatting is bad. Try this instead:
## msg = ircmsgs.privmsg(self.nick,
## '\x01DCC SEND %s %s %s %s\x01' % \
## (self.filename, i, port, self.filesize))
## self.irc.queueMsg(msg)
## Even better, I'll define a function ircmsgs.py.
msg = ircmsgs.dcc(self.nick, 'SEND', self.filename, i, port, self.filesize)
self.irc.queueMsg(msg)
# Wait for possible RESUME
# That comment isn't enough, why are we really sleeping? Why only one
# second? A link to some documentation might help.
time.sleep(1)
try:
(realSock, addr) = sock.accept()
except socket.error, e:
sock.close()
self.log.info('%r: Send init errored with %s' %
(self.filename, e))
# Remember, we dont' use % in log strings -- we just put the
# arguments there after the string. utils.exnToString(e) gives a
# prettier string form than just e; the latter doesn't show what the
# class of the exception is.
# XXX % in log.
self.log.info('%r: Send init errored with %s',
self.filename, utils.exnToString(e))
return
# XXX % in log.
self.log.info('%r: Sending to %s' % (self.filename, self.nick))
# There shouldn't be blank space like this in a single function. But
# then again, a single function shouldn't be this long. Perhaps you
# can break this into multiple functions?
self.sock = realSock
fh = file(self.filename)
# Why no arguments to this clientConnected method?
self.clientConnected()
self.startTime = time.time()
try:
slow = 0
fh.seek(self.startPosition)
self.currentPosition = fh.tell()
# Again, please no parentheses around the conditions of while loops
# and if statements.
# XXX () in while/if
while (self.currentPosition < self.filesize):
data = fh.read(min(1024, self.filesize-self.currentPosition))
self.sock.send(data)
@ -123,17 +162,22 @@ class SendHandler(DCCHandler):
except socket.error, e:
# Aborted/timedout chat
# XXX % in log.
self.log.info('%r: Send errored with %s' %
(self.filename, e))
except SendException, e:
# XXX % in log.
self.log.info('%r: Send aborted with %s' %
(self.filename, e))
# Wait for send to complete
self.endTime = time.time()
duration = self.endTime - self.startTime
# XXX. % in log. Also use %r here instead of %s.
self.log.info('\'%s\': Sent %s/%s' %
(self.filename, fh.tell(), self.filesize))
# Why sleep here?
time.sleep(1.0)
# XXX These closes should go in a finally: block.
fh.close()
self.sock.close()
self.clientClosed()
@ -141,44 +185,55 @@ class SendHandler(DCCHandler):
class ChatHandler(DCCHandler):
""" Handle a DCC chat (initiate) """
def handleLine(self, line):
# What's this for? Documentation!
pass
def open(self):
ip = conf.supybot.externalIP()
# XXX () in while/if
if (not ip):
# Try and find it with utils
# No, I'll fix externalIP to return something sane for you.
pass
sock = utils.getSocket(ip)
try:
sock.bind((ip, 0))
except socket.error, e:
# XXX Who are you, and why can't you?
self.irc.error('Unable to initiate DCC CHAT.')
return
port = sock.getsockname()[1]
i = ircutils.dccIP(ip)
sock.listen(1)
# XXX Use ircmsgs.dcc
self.irc.queueMsg(ircmsgs.privmsg(self.nick,
'\x01DCC CHAT chat %s %s\x01' % (i, port)))
try:
(realSock, addr) = sock.accept()
except socket.timeout:
# XXX % in log
self.log.info('CHAT to %s timed out' % self.nick)
return
# XXX % in log.
self.log.info('CHAT accepted from %s' % self.nick)
realSock.settimeout(self.timeout)
self.startTime = time.time()
self.sock = realSock
try:
self.clientConnected()
# XXX () in while/if
while (1):
# XXX Why 66000?
line = realSock.recv(66000)
# XXX Don't use <>; use !=.
if (line <> "\n"):
self.handleLine(line)
except socket.error, e:
# Aborted/timedout chat. Only way to end.
# Are you sure you don't still need to close the socket here?
# XXX % in log. Also, don't use parens around a single value.
self.log.info('CHAT ended with %s' % (self.nick))
self.endTime = time.time()
self.clientClosed()
@ -189,10 +244,10 @@ class ChatHandler(DCCHandler):
class DCCReqHandler:
def __init__(self, irc, msg, args, logger=None):
"""caller is the callback handler to log against"""
self.irc = irc
self.msg = msg
self.args = args
# XXX: () in while/if
if (logger):
self.log = logger
else:
@ -204,16 +259,20 @@ class DCCReqHandler:
t.setDaemon(True)
t.start()
# Always put a blank line between methods, even if they just pass.
def clientConnected(self):
pass
# XXX No blank line between methods.
def clientClosed(self):
pass
class SendReqHandler(DCCReqHandler):
""" We're being sent a file """
filename = ""
# These should be setup in __init__ unless they have a real reason for
# being class variables.
ip = ""
filename = ""
port = 0
filesize = 0
@ -223,55 +282,77 @@ class SendReqHandler(DCCReqHandler):
self.incomingDir = conf.supybot.directories.data()
def receivedPacket(self):
# What's this method for? Document.
pass
def open(self):
# XXX: Should this be factored into a separate function?
self.filename = self.args[0]
self.ip = ircutils.unDccIP(int(self.args[1]))
self.port = int(self.args[2])
self.filesize = int(self.args[3])
# XXX () in while/if
if (os.path.exists(self.filename)):
currsize = os.path.getsize(self.filename)
if (self.filesize > currsize):
# Send RESUME DCC message and wait for ACCEPT
# XXX Line too long.
self.irc.queueMsg(ircmsgs.privmsg(self.msg.nick,
'\x01DCC RESUME %s %d %d\x01' % (self.filename, self.port, currsize)))
# URHG?
# What does "URGH?" mean? Details!
return
sock = utils.getSocket(self.ip)
try:
sock.connect((self.ip, self.port))
except:
# XXX blank except, no log.
return
self.clientConnected()
# XXX long line; also, what does "rootedName" really mean?
rootedName = os.path.abspath(os.path.join(self.incomingDir, self.filename))
# XXX Use the startswith() method on strings.
if (rootedName[:len(self.incomingDir)] != self.incomingDir):
# XXX % in log.
self.log.warning('%s tried to send relative file' % self.msg.nick)
return
# XXX f is generally used for functions; use fh, or fd, or a name
# representative what file is being used.
f = file(rootedName, 'w')
self.bytesReceived = 0
self.startTime = time.time()
# XXX This is a src/ plugin. It shouldn't depend on any plugin. You
# definitely can't use any plugin's registry variables. This is the
# number 1 biggest problem in this file.
pktSize = conf.supybot.plugins.FServe.packetSize()
# XXX % in log, use %r
self.log.info('\'%s\': Send starting from %s' %
(self.filename, self.msg.nick))
try:
# XXX () in while/if
while (self.bytesReceived < self.filesize):
amnt = min(self.filesize - self.bytesReceived, pktSize)
d = sock.recv(amnt)
self.bytesReceived += len(d)
# XXX What's this do? Document please :)
sock.send(struct.pack("!I", self.bytesReceived))
f.write(d)
self.receivedPacket()
except socket.error, e:
# % in log, use %r.
self.log.info('\'%s\': Send died with %s' % (filename, e))
# XXX If you intend to fall through, i.e., not to return here, you
# should have a comment to that effect.
self.endTime = time.time()
# XXX Perhaps these closes should go in a finally: block?
sock.close()
f.close()
# XXX % in log, use %r.
self.log.info('\'%s\': Received %s/%s in %d seconds' %
(self.filename, self.bytesReceived, self.filesize,
self.endTime - self.startTime))
@ -281,6 +362,7 @@ class SendReqHandler(DCCReqHandler):
class ResumeReqHandler(DCCReqHandler):
def _getSendHandler(self):
# XXX Explain this comment more.
# This is bad. It will just start a new send.
# It needs to look up original
hostmask = self.irc.state.nickToHostmask(self.msg.nick)
@ -293,12 +375,14 @@ class ResumeReqHandler(DCCReqHandler):
self.filename = self.args[0]
self.port = int(self.args[1])
self.startPosition = int(self.args[2])
# XXX Use ircmsgs.dcc.
self.irc.queueMsg(ircmsgs.privmsg(self.msg.nick,
'\x01DCC ACCEPT %s %s %s\x01' % (self.filename, self.port,
self.startPosition)))
cxn = self._getSendHandler()
cxn.startPosition = self.startPosition
# XXX % in log.
self.log.info('%r: RESUME received for %s' %
(self.filename, self.startPosition))
@ -307,6 +391,7 @@ class ResumeReqHandler(DCCReqHandler):
def handleACCEPT(self):
port = int(self.args[1])
# XXX I thought we got rid of caller?
(ip, filename, filesize) = self.caller.resumeSends[port]
recv = os.path.getsize(filename)
@ -314,20 +399,26 @@ class ResumeReqHandler(DCCReqHandler):
try:
sock.connect((ip, port))
except:
# XXX No log, blank except.
return
sock.settimeout(conf.supybot.plugins.FServe.timeout())
incoming = os.path.join(conf.supybot.directories.data(),
conf.supybot.plugins.FServe.receiveDirectory())
rootedName = os.path.abspath(os.path.join(incoming, filename))
# XXX Use startswith, don't use <>
if (rootedName[:len(incoming)] <> incoming):
# XXX % in log.
self.caller.log.warning('%s tried to send relative file' %
self.msg.nick)
# XXX Shouldn't you close the sock? If you had a finally block,
# you wouldn't have to worry about that :)
return
f = file(rootedName, 'a')
start= time.time()
try:
# XXX () in while/if
while (recv < filesize):
amnt = min(filesize - recv, 1024)
d = sock.recv(amnt)
@ -335,12 +426,15 @@ class ResumeReqHandler(DCCReqHandler):
sock.send(struct.pack("!I", recv))
f.write(d)
except socket.error, e:
# XXX % in log, use %r
self.caller.log.info('\'%s\': Resume died with %s' %
(filename, e))
end = time.time()
durn = end - start
# XXX finally material, especially since you return early above.
sock.close()
f.close()
# XXX % in log, use %r.
self.caller.log.info('\'%s\': %s/%s received in %s seconds' %
(filename, recv, filesize, durn))
@ -353,6 +447,7 @@ class ResumeReqHandler(DCCReqHandler):
try:
sock.connect((ip, port))
except:
# XXX Log something! Who, why.
return
sock.settimeout(conf.supybot.plugins.FServe.timeout())
sock.send("Hi!\n")