Move multi-addr parser mod to `tractor`
parent
b6ac6069fe
commit
fcececce19
|
@ -114,7 +114,7 @@ def pikerd(
|
|||
)]
|
||||
|
||||
from .. import service
|
||||
from ..service._multiaddr import parse_addr
|
||||
from tractor._multiaddr import parse_addr
|
||||
|
||||
# transport-oriented endpoint multi-addresses
|
||||
eps: dict[
|
||||
|
|
|
@ -1,142 +0,0 @@
|
|||
# piker: trading gear for hackers
|
||||
# Copyright (C) 2018-present Tyler Goodlet (in stewardship of pikers)
|
||||
|
||||
# This program is free software: you can redistribute it and/or modify
|
||||
# it under the terms of the GNU Affero General Public License as published by
|
||||
# the Free Software Foundation, either version 3 of the License, or
|
||||
# (at your option) any later version.
|
||||
|
||||
# This program is distributed in the hope that it will be useful,
|
||||
# but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
# GNU Affero General Public License for more details.
|
||||
|
||||
# You should have received a copy of the GNU Affero General Public License
|
||||
# along with this program. If not, see <https://www.gnu.org/licenses/>.
|
||||
|
||||
'''
|
||||
Multiaddress parser and utils according the spec(s) defined by
|
||||
`libp2p` and used in dependent project such as `ipfs`:
|
||||
|
||||
- https://docs.libp2p.io/concepts/fundamentals/addressing/
|
||||
- https://github.com/libp2p/specs/blob/master/addressing/README.md
|
||||
|
||||
'''
|
||||
from typing import Iterator
|
||||
|
||||
from bidict import bidict
|
||||
|
||||
# TODO: see if we can leverage libp2p ecosys projects instead of
|
||||
# rolling our own (parser) impls of the above addressing specs:
|
||||
# - https://github.com/libp2p/py-libp2p
|
||||
# - https://docs.libp2p.io/concepts/nat/circuit-relay/#relay-addresses
|
||||
# prots: bidict[int, str] = bidict({
|
||||
prots: bidict[int, str] = {
|
||||
'ipv4': 3,
|
||||
'ipv6': 3,
|
||||
'wg': 3,
|
||||
|
||||
'tcp': 4,
|
||||
'udp': 4,
|
||||
|
||||
# TODO: support the next-gen shite Bo
|
||||
# 'quic': 4,
|
||||
# 'ssh': 7, # via rsyscall bootstrapping
|
||||
}
|
||||
|
||||
prot_params: dict[str, tuple[str]] = {
|
||||
'ipv4': ('addr',),
|
||||
'ipv6': ('addr',),
|
||||
'wg': ('addr', 'port', 'pubkey'),
|
||||
|
||||
'tcp': ('port',),
|
||||
'udp': ('port',),
|
||||
|
||||
# 'quic': ('port',),
|
||||
# 'ssh': ('port',),
|
||||
}
|
||||
|
||||
|
||||
def iter_prot_layers(
|
||||
multiaddr: str,
|
||||
) -> Iterator[
|
||||
tuple[
|
||||
int,
|
||||
list[str]
|
||||
]
|
||||
]:
|
||||
'''
|
||||
Unpack a libp2p style "multiaddress" into multiple "segments"
|
||||
for each "layer" of the protocoll stack (in OSI terms).
|
||||
|
||||
'''
|
||||
tokens: list[str] = multiaddr.split('/')
|
||||
root, tokens = tokens[0], tokens[1:]
|
||||
assert not root # there is a root '/' on LHS
|
||||
itokens = iter(tokens)
|
||||
|
||||
prot: str | None = None
|
||||
params: list[str] = []
|
||||
for token in itokens:
|
||||
# every prot path should start with a known
|
||||
# key-str.
|
||||
if token in prots:
|
||||
if prot is None:
|
||||
prot: str = token
|
||||
else:
|
||||
yield prot, params
|
||||
prot = token
|
||||
|
||||
params = []
|
||||
|
||||
elif token not in prots:
|
||||
params.append(token)
|
||||
|
||||
else:
|
||||
yield prot, params
|
||||
|
||||
|
||||
def parse_addr(
|
||||
multiaddr: str,
|
||||
) -> dict[str, str | int | dict]:
|
||||
'''
|
||||
Parse a libp2p style "multiaddress" into it's distinct protocol
|
||||
segments where each segment:
|
||||
|
||||
`../<protocol>/<param0>/<param1>/../<paramN>`
|
||||
|
||||
is loaded into a layers `dict[str, dict[str, Any]` which holds
|
||||
each prot segment of the path as a separate entry sortable by
|
||||
it's approx OSI "layer number".
|
||||
|
||||
Any `paramN` in the path must be distinctly defined in order
|
||||
according to the (global) `prot_params` table in this module.
|
||||
|
||||
'''
|
||||
layers: dict[str, str | int | dict] = {}
|
||||
for (
|
||||
prot_key,
|
||||
params,
|
||||
) in iter_prot_layers(multiaddr):
|
||||
|
||||
layer: int = prots[prot_key] # OSI layer used for sorting
|
||||
ep: dict[str, int | str] = {'layer': layer}
|
||||
layers[prot_key] = ep
|
||||
|
||||
# TODO; validation and resolving of names:
|
||||
# - each param via a validator provided as part of the
|
||||
# prot_params def? (also see `"port"` case below..)
|
||||
# - do a resolv step that will check addrs against
|
||||
# any loaded network.resolv: dict[str, str]
|
||||
rparams: list = list(reversed(params))
|
||||
for key in prot_params[prot_key]:
|
||||
val: str | int = rparams.pop()
|
||||
|
||||
# TODO: UGHH, dunno what we should do for validation
|
||||
# here, put it in the params spec somehow?
|
||||
if key == 'port':
|
||||
val = int(val)
|
||||
|
||||
ep[key] = val
|
||||
|
||||
return layers
|
Loading…
Reference in New Issue