py-libp2p/peer/addrbook_interface.py
2018-10-21 15:15:53 -04:00

52 lines
1.6 KiB
Python

from abc import ABC, abstractmethod
class IAddrBook(ABC):
def __init__(self, context):
self.context = context
@abstractmethod
def add_addr(self, peer_id, addr, ttl):
"""
Calls add_addrs(peer_id, [addr], ttl)
:param peer_id: the peer to add address for
:param addr: multiaddress of the peer
:param ttl: time-to-live for the address (after this time, address is no longer valid)
"""
pass
@abstractmethod
def add_addrs(self, peer_id, addrs, ttl):
"""
Adds addresses for a given peer all with the same time-to-live. If one of the
addresses already exists for the peer and has a longer TTL, no operation should take place.
If one of the addresses exists with a shorter TTL, extend the TTL to equal param ttl.
:param peer_id: the peer to add address for
:param addr: multiaddresses of the peer
:param ttl: time-to-live for the address (after this time, address is no longer valid
"""
pass
@abstractmethod
def addrs(self, peer_id):
"""
:param peer_id: peer to get addresses of
:return: all known (and valid) addresses for the given peer
"""
pass
@abstractmethod
def clear_addrs(self, peer_id):
"""
Removes all previously stored addresses
:param peer_id: peer to remove addresses of
"""
pass
@abstractmethod
def peers_with_addrs(self):
"""
:return: all of the peer IDs stored with addresses
"""
pass