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Reshuffling the Evennia package into the new template paradigm.

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This commit is contained in:
Griatch 2015-01-06 14:53:45 +01:00
parent 2846e64833
commit 2b3a32e447
371 changed files with 17250 additions and 304 deletions
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61
src/server/portal/naws.py
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"""
NAWS - Negotiate About Window Size
This implements the NAWS telnet option as per
https://www.ietf.org/rfc/rfc1073.txt
NAWS allows telnet clients to report their
current window size to the client and update
it when the size changes
"""
from django.conf import settings
from src.utils import utils
NAWS = chr(31)
IS = chr(0)
# default taken from telnet specification
DEFAULT_WIDTH = settings.CLIENT_DEFAULT_WIDTH
DEFAULT_HEIGHT = settings.CLIENT_DEFAULT_HEIGHT
# try to get the customized mssp info, if it exists.
class Naws(object):
"""
Implements the MSSP protocol. Add this to a
variable on the telnet protocol to set it up.
"""
def __init__(self, protocol):
"""
initialize NAWS by storing protocol on ourselves
and calling the client to see if it supports
NAWS.
"""
self.naws_step = 0
self.protocol = protocol
self.protocol.protocol_flags['SCREENWIDTH'] = {0: DEFAULT_WIDTH} # windowID (0 is root):width
self.protocol.protocol_flags['SCREENHEIGHT'] = {0: DEFAULT_HEIGHT} # windowID:width
self.protocol.negotiationMap[NAWS] = self.negotiate_sizes
self.protocol.do(NAWS).addCallbacks(self.do_naws, self.no_naws)
def no_naws(self, option):
"""
This is the normal operation.
"""
self.protocol.handshake_done()
def do_naws(self, option):
"""
Negotiate all the information.
"""
self.protocol.handshake_done()
def negotiate_sizes(self, options):
if len(options) == 4:
# NAWS is negotiated with 16bit words
width = options[0] + options[1]
self.protocol.protocol_flags['SCREENWIDTH'][0] = int(width.encode('hex'), 16)
height = options[2] + options[3]
self.protocol.protocol_flags['SCREENHEIGHT'][0] = int(height.encode('hex'), 16)