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Давай! Вот старые версии:
```
def udp_discovery():
DISCOVERY_INTERVAL = 30
local_addresses = storage.get_config_value("local_addresses", [])
msg_data = json.dumps({
"id": my_id,
"name": agent_name,
"addresses": local_addresses
}).encode("utf-8")
# Создаём UDP сокеты для прослушки
listen_sockets = []
for port in local_ports:
# IPv4
try:
sock4 = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock4.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock4.bind(("", port))
listen_sockets.append(sock4)
print(f"[UDP Discovery] Listening IPv4 on *:{port}")
except Exception as e:
print(f"[UDP Discovery] IPv4 bind failed on port {port}: {e}")
# IPv6
try:
sock6 = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
sock6.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock6.bind(("::", port))
listen_sockets.append(sock6)
print(f"[UDP Discovery] Listening IPv6 on [::]:{port}")
except Exception as e:
print(f"[UDP Discovery] IPv6 bind failed on port {port}: {e}")
while True:
# Приём сообщений
rlist, _, _ = select.select(listen_sockets, [], [], 0.5)
for sock in rlist:
try:
data, addr = sock.recvfrom(2048)
msg = json.loads(data.decode("utf-8"))
peer_id = msg.get("id")
if peer_id == my_id:
continue
name = msg.get("name", "unknown")
addresses = msg.get("addresses", [])
storage.add_or_update_peer(peer_id, name, addresses, "discovery", "online")
print(f"[UDP Discovery] peer={peer_id} from {addr}")
except Exception as e:
print(f"[UDP Discovery] receive error: {e}")
# Отправка broadcast/multicast
for port in local_ports:
# IPv4 broadcast
for iface in netifaces.interfaces():
addrs = netifaces.ifaddresses(iface).get(netifaces.AF_INET, [])
for a in addrs:
if "broadcast" in a:
try:
sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_BROADCAST, 1)
sock.sendto(msg_data, (a["broadcast"], port))
sock.close()
except Exception:
continue
# IPv6 multicast ff02::1
for iface in netifaces.interfaces():
ifaddrs = netifaces.ifaddresses(iface).get(netifaces.AF_INET6, [])
for a in ifaddrs:
addr = a.get("addr")
if not addr:
continue
multicast_addr = f"ff02::1%{iface}" if addr.startswith("fe80:") else "ff02::1"
try:
sock6 = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
sock6.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, socket.if_nametoindex(iface))
sock6.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_HOPS, 1)
sock6.sendto(msg_data, (multicast_addr, port))
sock6.close()
except Exception:
continue
time.sleep(DISCOVERY_INTERVAL)
---
def tcp_peer_exchange():
PEER_EXCHANGE_INTERVAL = 20 # для отладки
while True:
peers = storage.get_known_peers(my_id, limit=50)
print(f"[PeerExchange] Checking {len(peers)} peers (raw DB)...")
for peer in peers:
peer_id = peer["id"] if isinstance(peer, dict) else peer[0]
addresses_json = peer["addresses"] if isinstance(peer, dict) else peer[1]
if peer_id == my_id:
continue
try:
addr_list = json.loads(addresses_json)
except Exception as e:
print(f"[PeerExchange] JSON decode error for peer {peer_id}: {e}")
addr_list = []
for addr in addr_list:
norm = storage.normalize_address(addr)
if not norm:
continue
proto, hostport = norm.split("://", 1)
if proto not in ["tcp", "any"]:
continue
host, port = storage.parse_hostport(hostport)
if not host or not port:
continue
print(f"[PeerExchange] Trying {peer_id} at {host}:{port} (proto={proto})")
try:
# IPv6 link-local
if storage.is_ipv6(host) and host.startswith("fe80:"):
scope_id = storage.get_ipv6_scope(host)
if scope_id is None:
print(f"[PeerExchange] Skipping {host}, no scope_id")
continue
sock = socket.socket(socket.AF_INET6, socket.SOCK_STREAM)
sock.settimeout(3)
sock.connect((host, port, 0, scope_id))
else:
sock = socket.socket(socket.AF_INET6 if storage.is_ipv6(host) else socket.AF_INET,
socket.SOCK_STREAM)
sock.settimeout(3)
sock.connect((host, port))
# LAN или Интернет
if storage.is_private(host):
send_addresses = all_addresses
else:
send_addresses = [a for a in all_addresses
if is_public(stprage.parse_hostport(a.split("://", 1)[1])[0])]
handshake = {
"type": "PEER_EXCHANGE_REQUEST",
"id": my_id,
"name": agent_name,
"addresses": send_addresses,
}
sock.sendall(json.dumps(handshake).encode("utf-8"))
data = sock.recv(64 * 1024)
sock.close()
if not data:
print(f"[PeerExchange] No data from {host}:{port}")
continue
try:
peers_recv = json.loads(data.decode("utf-8"))
for p in peers_recv:
if p.get("id") and p["id"] != my_id:
storage.add_or_update_peer(
p["id"], p.get("name", "unknown"), p.get("addresses", []),
"peer_exchange", "online"
)
print(f"[PeerExchange] Received {len(peers_recv)} peers from {host}:{port}")
except Exception as e:
print(f"[PeerExchange] Decode error from {host}:{port} -> {e}")
continue
break
except Exception as e:
print(f"[PeerExchange] Connection to {host}:{port} failed: {e}")
continue
time.sleep(PEER_EXCHANGE_INTERVAL)
---
def tcp_listener():
listen_sockets = []
for port in local_ports:
for family, addr_str in [(socket.AF_INET, ""), (socket.AF_INET6, "::")]:
try:
sock = socket.socket(family, socket.SOCK_STREAM)
sock.setsockopt(socket.SOL_SOCKET, socket.SO_REUSEADDR, 1)
sock.bind((addr_str, port))
sock.listen(5)
listen_sockets.append(sock)
proto_str = "IPv6" if family == socket.AF_INET6 else "IPv4"
print(f"[TCP Listener] Listening {proto_str} on {addr_str}:{port}")
except Exception as e:
print(f"[TCP Listener] {proto_str} bind failed on port {port}: {e}")
while True:
if not listen_sockets:
time.sleep(1)
continue
rlist, _, _ = select.select(listen_sockets, [], [], 1)
for s in rlist:
try:
conn, addr = s.accept()
data = conn.recv(64 * 1024)
if not data:
conn.close()
continue
try:
msg = json.loads(data.decode("utf-8"))
except Exception as e:
print(f"[TCP Listener] JSON decode error from {addr}: {e}")
conn.close()
continue
if msg.get("type") == "PEER_EXCHANGE_REQUEST":
peer_id = msg.get("id") or f"did:hmp:{addr[0]}:{addr[1]}"
peer_name = msg.get("name", "unknown")
peer_addrs = msg.get("addresses", [])
storage.add_or_update_peer(peer_id, peer_name, peer_addrs,
source="incoming", status="online")
print(f"[TCP Listener] Handshake from {peer_id} ({addr})")
# LAN или Интернет
is_lan = storage.is_private(addr[0])
peers_list = []
for peer in storage.get_known_peers(my_id, limit=50):
peer_id = peer["id"]
try:
addresses = json.loads(peer["addresses"])
except:
addresses = []
updated_addresses = []
for a in addresses:
proto, hostport = a.split("://")
host, port = storage.parse_hostport(hostport)
# Фильтруем по LAN/Internet
if not is_lan and not is_public(host):
continue
# IPv6 link-local
if storage.is_ipv6(host) and host.startswith("fe80:"):
scope_id = storage.get_ipv6_scope(host)
if scope_id:
host = f"{host}%{scope_id}"
updated_addresses.append(f"{proto}://{host}:{port}")
peers_list.append({"id": peer_id, "addresses": updated_addresses})
conn.sendall(json.dumps(peers_list).encode("utf-8"))
conn.close()
except Exception as e:
print(f"[TCP Listener] Connection handling error: {e}")
``` |