Gecko [ primetaxinc.net ]

Name	Size	Permission
__pycache__	[ DIR ]	drwxr-xr-x
dnssecalgs	[ DIR ]	drwxr-xr-x
quic	[ DIR ]	drwxr-xr-x
rdtypes	[ DIR ]	drwxr-xr-x
__init__.py	1.62 KB	-rw-r--r--
_asyncbackend.py	2.34 KB	-rw-r--r--
_asyncio_backend.py	8.84 KB	-rw-r--r--
_ddr.py	5.12 KB	-rw-r--r--
_features.py	2.43 KB	-rw-r--r--
_immutable_ctx.py	2.4 KB	-rw-r--r--
_trio_backend.py	8.27 KB	-rw-r--r--
asyncbackend.py	2.73 KB	-rw-r--r--
asyncquery.py	30.1 KB	-rw-r--r--
asyncresolver.py	17.43 KB	-rw-r--r--
dnssec.py	40.74 KB	-rw-r--r--
dnssectypes.py	1.76 KB	-rw-r--r--
e164.py	3.88 KB	-rw-r--r--
edns.py	16.69 KB	-rw-r--r--
entropy.py	4.14 KB	-rw-r--r--
enum.py	3.6 KB	-rw-r--r--
exception.py	5.81 KB	-rw-r--r--
flags.py	2.69 KB	-rw-r--r--
grange.py	2.09 KB	-rw-r--r--
immutable.py	1.97 KB	-rw-r--r--
inet.py	5.64 KB	-rw-r--r--
ipv4.py	2.49 KB	-rw-r--r--
ipv6.py	6.4 KB	-rw-r--r--
message.py	66.59 KB	-rw-r--r--
name.py	41.78 KB	-rw-r--r--
namedict.py	3.91 KB	-rw-r--r--
nameserver.py	9.88 KB	-rw-r--r--
node.py	12.37 KB	-rw-r--r--
opcode.py	2.67 KB	-rw-r--r--
py.typed	0 B	-rw-r--r--
query.py	54.98 KB	-rw-r--r--
rcode.py	4.06 KB	-rw-r--r--
rdata.py	30.29 KB	-rw-r--r--
rdataclass.py	2.91 KB	-rw-r--r--
rdataset.py	16.27 KB	-rw-r--r--
rdatatype.py	7.27 KB	-rw-r--r--
renderer.py	10.99 KB	-rw-r--r--
resolver.py	72 KB	-rw-r--r--
reversename.py	3.74 KB	-rw-r--r--
rrset.py	8.96 KB	-rw-r--r--
serial.py	3.52 KB	-rw-r--r--
set.py	9 KB	-rw-r--r--
tokenizer.py	23.03 KB	-rw-r--r--
transaction.py	22.06 KB	-rw-r--r--
tsig.py	11.15 KB	-rw-r--r--
tsigkeyring.py	2.57 KB	-rw-r--r--
ttl.py	2.91 KB	-rw-r--r--
update.py	11.96 KB	-rw-r--r--
version.py	1.88 KB	-rw-r--r--
versioned.py	11.49 KB	-rw-r--r--
win32util.py	8.67 KB	-rw-r--r--
wire.py	2.76 KB	-rw-r--r--
xfr.py	12.96 KB	-rw-r--r--
zone.py	50.87 KB	-rw-r--r--
zonefile.py	27.27 KB	-rw-r--r--
zonetypes.py	690 B	-rw-r--r--

Name

Size

Permission

Action

__pycache__

[ DIR ]

drwxr-xr-x

dnssecalgs

[ DIR ]

drwxr-xr-x

quic

[ DIR ]

drwxr-xr-x

rdtypes

[ DIR ]

drwxr-xr-x

__init__.py

1.62 KB

-rw-r--r--

_asyncbackend.py

2.34 KB

-rw-r--r--

_asyncio_backend.py

8.84 KB

-rw-r--r--

_ddr.py

5.12 KB

-rw-r--r--

_features.py

2.43 KB

-rw-r--r--

_immutable_ctx.py

2.4 KB

-rw-r--r--

_trio_backend.py

8.27 KB

-rw-r--r--

asyncbackend.py

2.73 KB

-rw-r--r--

asyncquery.py

30.1 KB

-rw-r--r--

asyncresolver.py

17.43 KB

-rw-r--r--

dnssec.py

40.74 KB

-rw-r--r--

dnssectypes.py

1.76 KB

-rw-r--r--

e164.py

3.88 KB

-rw-r--r--

edns.py

16.69 KB

-rw-r--r--

entropy.py

4.14 KB

-rw-r--r--

enum.py

3.6 KB

-rw-r--r--

exception.py

5.81 KB

-rw-r--r--

flags.py

2.69 KB

-rw-r--r--

grange.py

2.09 KB

-rw-r--r--

immutable.py

1.97 KB

-rw-r--r--

inet.py

5.64 KB

-rw-r--r--

ipv4.py

2.49 KB

-rw-r--r--

ipv6.py

6.4 KB

-rw-r--r--

message.py

66.59 KB

-rw-r--r--

name.py

41.78 KB

-rw-r--r--

namedict.py

3.91 KB

-rw-r--r--

nameserver.py

9.88 KB

-rw-r--r--

node.py

12.37 KB

-rw-r--r--

opcode.py

2.67 KB

-rw-r--r--

py.typed

0 B

-rw-r--r--

query.py

54.98 KB

-rw-r--r--

rcode.py

4.06 KB

-rw-r--r--

rdata.py

30.29 KB

-rw-r--r--

rdataclass.py

2.91 KB

-rw-r--r--

rdataset.py

16.27 KB

-rw-r--r--

rdatatype.py

7.27 KB

-rw-r--r--

renderer.py

10.99 KB

-rw-r--r--

resolver.py

72 KB

-rw-r--r--

reversename.py

3.74 KB

-rw-r--r--

rrset.py

8.96 KB

-rw-r--r--

serial.py

3.52 KB

-rw-r--r--

set.py

9 KB

-rw-r--r--

tokenizer.py

23.03 KB

-rw-r--r--

transaction.py

22.06 KB

-rw-r--r--

tsig.py

11.15 KB

-rw-r--r--

tsigkeyring.py

2.57 KB

-rw-r--r--

ttl.py

2.91 KB

-rw-r--r--

update.py

11.96 KB

-rw-r--r--

version.py

1.88 KB

-rw-r--r--

versioned.py

11.49 KB

-rw-r--r--

win32util.py

8.67 KB

-rw-r--r--

wire.py

2.76 KB

-rw-r--r--

xfr.py

12.96 KB

-rw-r--r--

zone.py

50.87 KB

-rw-r--r--

zonefile.py

27.27 KB

-rw-r--r--

zonetypes.py

690 B

-rw-r--r--

Code Editor : opcode.py

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

# Copyright (C) 2001-2017 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.

"""DNS Opcodes."""

import dns.enum
import dns.exception

class Opcode(dns.enum.IntEnum):
    #: Query
    QUERY = 0
    #: Inverse Query (historical)
    IQUERY = 1
    #: Server Status (unspecified and unimplemented anywhere)
    STATUS = 2
    #: Notify
    NOTIFY = 4
    #: Dynamic Update
    UPDATE = 5

@classmethod
    def _maximum(cls):
        return 15

@classmethod
    def _unknown_exception_class(cls):
        return UnknownOpcode

class UnknownOpcode(dns.exception.DNSException):
    """An DNS opcode is unknown."""

def from_text(text: str) -> Opcode:
    """Convert text into an opcode.

*text*, a ``str``, the textual opcode

Raises ``dns.opcode.UnknownOpcode`` if the opcode is unknown.

Returns an ``int``.
    """

return Opcode.from_text(text)

def from_flags(flags: int) -> Opcode:
    """Extract an opcode from DNS message flags.

*flags*, an ``int``, the DNS flags.

Returns an ``int``.
    """

return Opcode((flags & 0x7800) >> 11)

def to_flags(value: Opcode) -> int:
    """Convert an opcode to a value suitable for ORing into DNS message
    flags.

*value*, an ``int``, the DNS opcode value.

Returns an ``int``.
    """

return (value << 11) & 0x7800

def to_text(value: Opcode) -> str:
    """Convert an opcode to text.

*value*, an ``int`` the opcode value,

Raises ``dns.opcode.UnknownOpcode`` if the opcode is unknown.

Returns a ``str``.
    """

return Opcode.to_text(value)

def is_update(flags: int) -> bool:
    """Is the opcode in flags UPDATE?

*flags*, an ``int``, the DNS message flags.

Returns a ``bool``.
    """

return from_flags(flags) == Opcode.UPDATE

### BEGIN generated Opcode constants

QUERY = Opcode.QUERY
IQUERY = Opcode.IQUERY
STATUS = Opcode.STATUS
NOTIFY = Opcode.NOTIFY
UPDATE = Opcode.UPDATE

### END generated Opcode constants

${this.title}

Code Editor : opcode.py