Peter Surda
a69732f060
- addrthread is supposed to spread addresses as they appear. This was never finished during migration to asyncore - conservative to prevent flood and loops - randomises order - move protocol constants into a separate file - move addr packet creation into a separate file - see #1575
33 lines
1021 B
Python
33 lines
1021 B
Python
"""
|
|
Create bitmessage protocol command packets
|
|
"""
|
|
|
|
import struct
|
|
|
|
import addresses
|
|
from network.constants import MAX_ADDR_COUNT
|
|
from network.node import Peer
|
|
from protocol import CreatePacket, encodeHost
|
|
|
|
|
|
def assemble_addr(peerList):
|
|
"""Create address command"""
|
|
if isinstance(peerList, Peer):
|
|
peerList = (peerList)
|
|
if not peerList:
|
|
return b''
|
|
retval = b''
|
|
for i in range(0, len(peerList), MAX_ADDR_COUNT):
|
|
payload = addresses.encodeVarint(
|
|
len(peerList[i:i + MAX_ADDR_COUNT]))
|
|
for stream, peer, timestamp in peerList[i:i + MAX_ADDR_COUNT]:
|
|
payload += struct.pack(
|
|
'>Q', timestamp) # 64-bit time
|
|
payload += struct.pack('>I', stream)
|
|
payload += struct.pack(
|
|
'>q', 1) # service bit flags offered by this node
|
|
payload += encodeHost(peer.host)
|
|
payload += struct.pack('>H', peer.port) # remote port
|
|
retval += CreatePacket('addr', payload)
|
|
return retval
|