Source code for bittensor.utils.networking

"""Utils for handling local network with ip and ports."""

# The MIT License (MIT)
# Copyright © 2021-2022 Yuma Rao
# Copyright © 2022-2023 Opentensor Foundation
# Copyright © 2023 Opentensor Technologies

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import json
import os
import socket
import urllib
from functools import wraps

import netaddr
import requests

from bittensor.btlogging import logging


[docs] def int_to_ip(int_val: int) -> str: r"""Maps an integer to a unique ip-string Args: int_val (:type:`int128`, `required`): The integer representation of an ip. Must be in the range (0, 3.4028237e+38). Returns: str_val (:tyep:`str`, `required): The string representation of an ip. Of form *.*.*.* for ipv4 or *::*:*:*:* for ipv6 Raises: netaddr.core.AddrFormatError (Exception): Raised when the passed int_vals is not a valid ip int value. """ return str(netaddr.IPAddress(int_val))
[docs] def ip_to_int(str_val: str) -> int: r"""Maps an ip-string to a unique integer. arg: str_val (:tyep:`str`, `required): The string representation of an ip. Of form *.*.*.* for ipv4 or *::*:*:*:* for ipv6 Returns: int_val (:type:`int128`, `required`): The integer representation of an ip. Must be in the range (0, 3.4028237e+38). Raises: netaddr.core.AddrFormatError (Exception): Raised when the passed str_val is not a valid ip string value. """ return int(netaddr.IPAddress(str_val))
[docs] def ip_version(str_val: str) -> int: r"""Returns the ip version (IPV4 or IPV6). arg: str_val (:tyep:`str`, `required): The string representation of an ip. Of form *.*.*.* for ipv4 or *::*:*:*:* for ipv6 Returns: int_val (:type:`int128`, `required`): The ip version (Either 4 or 6 for IPv4/IPv6) Raises: netaddr.core.AddrFormatError (Exception): Raised when the passed str_val is not a valid ip string value. """ return int(netaddr.IPAddress(str_val).version)
[docs] def ip__str__(ip_type: int, ip_str: str, port: int): """Return a formatted ip string""" return "/ipv%i/%s:%i" % (ip_type, ip_str, port)
[docs] class ExternalIPNotFound(Exception): """Raised if we cannot attain your external ip from CURL/URLLIB/IPIFY/AWS"""
[docs] def get_external_ip() -> str: r"""Checks CURL/URLLIB/IPIFY/AWS for your external ip. Returns: external_ip (:obj:`str` `required`): Your routers external facing ip as a string. Raises: ExternalIPNotFound (Exception): Raised if all external ip attempts fail. """ # --- Try AWS try: external_ip = requests.get("https://checkip.amazonaws.com").text.strip() assert isinstance(ip_to_int(external_ip), int) return str(external_ip) except Exception: pass # --- Try ipconfig. try: process = os.popen("curl -s ifconfig.me") external_ip = process.readline() process.close() assert isinstance(ip_to_int(external_ip), int) return str(external_ip) except Exception: pass # --- Try ipinfo. try: process = os.popen("curl -s https://ipinfo.io") external_ip = json.loads(process.read())["ip"] process.close() assert isinstance(ip_to_int(external_ip), int) return str(external_ip) except Exception: pass # --- Try myip.dnsomatic try: process = os.popen("curl -s myip.dnsomatic.com") external_ip = process.readline() process.close() assert isinstance(ip_to_int(external_ip), int) return str(external_ip) except Exception: pass # --- Try urllib ipv6 try: external_ip = urllib.request.urlopen("https://ident.me").read().decode("utf8") assert isinstance(ip_to_int(external_ip), int) return str(external_ip) except Exception: pass # --- Try Wikipedia try: external_ip = requests.get("https://www.wikipedia.org").headers["X-Client-IP"] assert isinstance(ip_to_int(external_ip), int) return str(external_ip) except Exception: pass raise ExternalIPNotFound
[docs] def get_formatted_ws_endpoint_url(endpoint_url: str) -> str: """ Returns a formatted websocket endpoint url. Note: The port (or lack thereof) is left unchanged Args: endpoint_url (str, `required`): The endpoint url to format. Returns: formatted_endpoint_url (str, `required`): The formatted endpoint url. In the form of ws://<endpoint_url> or wss://<endpoint_url> """ if endpoint_url[0:6] != "wss://" and endpoint_url[0:5] != "ws://": endpoint_url = "ws://{}".format(endpoint_url) return endpoint_url
[docs] def ensure_connected(func): """Decorator ensuring the function executes with an active substrate connection.""" @wraps(func) def wrapper(self, *args, **kwargs): # Check the socket state before method execution if ( # connection was closed correctly self.substrate.websocket.sock is None # connection has a broken pipe or self.substrate.websocket.sock.getsockopt( socket.SOL_SOCKET, socket.SO_ERROR ) != 0 ): logging.info("Reconnection substrate...") self._get_substrate() # Execute the method if the connection is active or after reconnecting return func(self, *args, **kwargs) return wrapper