ꦫꦣꦺꦤ꧀ꦄꦤ꧀ꦠꦱꦺꦤ

PATH: usr / lib / python3.9 / site-packages / dns / rdtypes / ANY

# Copyright (C) Dnspython Contributors, see LICENSE for text of ISC license

# Copyright (C) 2006, 2007, 2009-2011 Nominum, Inc.
#
# Permission to use, copy, modify, and distribute this software and its
# documentation for any purpose with or without fee is hereby granted,
# provided that the above copyright notice and this permission notice
# appear in all copies.
#
# THE SOFTWARE IS PROVIDED "AS IS" AND NOMINUM DISCLAIMS ALL WARRANTIES
# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL NOMINUM BE LIABLE FOR
# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
# OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

import struct

import dns.exception
import dns.immutable
import dns.rdtypes.util

class Relay(dns.rdtypes.util.Gateway):
    name = "AMTRELAY relay"

@property
    def relay(self):
        return self.gateway

@dns.immutable.immutable
class AMTRELAY(dns.rdata.Rdata):
    """AMTRELAY record"""

# see: RFC 8777

__slots__ = ["precedence", "discovery_optional", "relay_type", "relay"]

def __init__(
        self, rdclass, rdtype, precedence, discovery_optional, relay_type, relay
    ):
        super().__init__(rdclass, rdtype)
        relay = Relay(relay_type, relay)
        self.precedence = self._as_uint8(precedence)
        self.discovery_optional = self._as_bool(discovery_optional)
        self.relay_type = relay.type
        self.relay = relay.relay

def to_text(self, origin=None, relativize=True, **kw):
        relay = Relay(self.relay_type, self.relay).to_text(origin, relativize)
        return "%d %d %d %s" % (
            self.precedence,
            self.discovery_optional,
            self.relay_type,
            relay,
        )

@classmethod
    def from_text(
        cls, rdclass, rdtype, tok, origin=None, relativize=True, relativize_to=None
    ):
        precedence = tok.get_uint8()
        discovery_optional = tok.get_uint8()
        if discovery_optional > 1:
            raise dns.exception.SyntaxError("expecting 0 or 1")
        discovery_optional = bool(discovery_optional)
        relay_type = tok.get_uint8()
        if relay_type > 0x7F:
            raise dns.exception.SyntaxError("expecting an integer <= 127")
        relay = Relay.from_text(relay_type, tok, origin, relativize, relativize_to)
        return cls(
            rdclass, rdtype, precedence, discovery_optional, relay_type, relay.relay
        )

def _to_wire(self, file, compress=None, origin=None, canonicalize=False):
        relay_type = self.relay_type | (self.discovery_optional << 7)
        header = struct.pack("!BB", self.precedence, relay_type)
        file.write(header)
        Relay(self.relay_type, self.relay).to_wire(file, compress, origin, canonicalize)

@classmethod
    def from_wire_parser(cls, rdclass, rdtype, parser, origin=None):
        (precedence, relay_type) = parser.get_struct("!BB")
        discovery_optional = bool(relay_type >> 7)
        relay_type &= 0x7F
        relay = Relay.from_wire_parser(relay_type, parser, origin)
        return cls(
            rdclass, rdtype, precedence, discovery_optional, relay_type, relay.relay
        )

[-] MX.py [edit]
[-] DNAME.py [edit]
[-] RP.py [edit]
[-] NSEC3PARAM.py [edit]
[-] DNSKEY.py [edit]
[-] CAA.py [edit]
[-] EUI48.py [edit]
[-] NINFO.py [edit]
[-] NSEC3.py [edit]
[-] URI.py [edit]
[-] AVC.py [edit]
[-] OPT.py [edit]
[-] SSHFP.py [edit]
[-] AMTRELAY.py [edit]
[-] TLSA.py [edit]
[-] RT.py [edit]
[-] PTR.py [edit]
[-] CDS.py [edit]
[-] __init__.py [edit]
[-] AFSDB.py [edit]
[-] OPENPGPKEY.py [edit]
[-] TKEY.py [edit]
[-] TSIG.py [edit]
[-] CDNSKEY.py [edit]
[-] CSYNC.py [edit]
[-] NS.py [edit]
[-] SMIMEA.py [edit]
[-] EUI64.py [edit]
[+] ..
[-] ZONEMD.py [edit]
[-] CNAME.py [edit]
[-] LOC.py [edit]
[-] DS.py [edit]
[-] SOA.py [edit]
[-] X25.py [edit]
[-] CERT.py [edit]
[-] L32.py [edit]
[-] RRSIG.py [edit]
[-] NSEC.py [edit]
[-] LP.py [edit]
[-] ISDN.py [edit]
[-] DLV.py [edit]
[+] __pycache__
[-] L64.py [edit]
[-] TXT.py [edit]
[-] GPOS.py [edit]
[-] NID.py [edit]
[-] HINFO.py [edit]
[-] HIP.py [edit]
[-] SPF.py [edit]