added peerDB to torgossip

This commit is contained in:
Kevin Froman 2021-02-02 06:58:06 +00:00
parent 582ac1607e
commit 9d8c7a7224
4 changed files with 95 additions and 5 deletions

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@ -0,0 +1,25 @@
"""Onionr - Private P2P Communication.
Torgossip client
Create streams to random peers
"""
"""
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
def client_pool(shared_state):

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@ -27,4 +27,5 @@ class GossipCommands(IntEnum):
LIST_BLOCKS_BY_TYPE_OFFSET = 4,
GET_BLOCK = 5,
PUT_BLOCK = 6,
EXIT = 7
PEER_EXCHANGE = 7,
EXIT = 8

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@ -0,0 +1,67 @@
"""Onionr - Private P2P Communication.
Torgossip peer safedb interface
"""
from typing import TYPE_CHECKING
from base64 import b32decode
from struct import unpack, pack
frome time import time
from utils.identifyhome import identify_home
import safedb
"""
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
class Peers:
PACK_FORMAT = "qQ"
def __init__(self, encrypt: bool):
self.db = safedb.SafeDB(
identify_home() + "/torgossip-peers.db", protected=encrypt)
def _shrink_peer_address(self, peer):
# strip .onion and b32decode peer address for lower database mem usage
if len(peer) == 62: # constant time
return b32decode(peer[:-6]) # O(N)
return peer
def _pack_and_store_info(self, peer, new_score=None, new_seen=None):
# Repack peer information with new value(s) and store it
score, seen = unpack(self.PACK_FORMAT, self.db.get(
self._shrink_peer_address(peer)))
if new_score:
score = new_score
if new_seen:
seen = new_seen
self.db.put(peer, pack(self.PACK_FORMAT, score, seen))
def add_score(self, peer, new_score):
shrunk = self._shrink_peer_address(peer)
score, _ = unpack("qQ", self.db.get(shrunk))
self._pack_and_store_info(
shrunk, new_score=score + new_score)
def update_seen(self, peer):
peer = self._shrink_peer_address(peer)
_pack_and_store_info(peer, new_seen=int(time()))

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@ -1,12 +1,11 @@
"""
Onionr - Private P2P Communication
Gossip plugin server, multiplexing using gevent
Gossip plugin server, multiplexing using selectors
"""
import os
import sys
import selectors
import socket
from time import sleep
@ -100,5 +99,3 @@ def start_server(shared_state):
for key, mask in events:
callback = key.data
callback(key.fileobj, mask)
if __name__ == "__main__":
start_server()