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auto interface working on windows

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This commit is contained in:
liamcottle 2024-05-17 04:09:11 +12:00
parent b81b1de4eb
commit 1564930a51
3 changed files with 66 additions and 47 deletions
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38
RNS/Interfaces/AutoInterface.py
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@ -77,6 +77,15 @@ class AutoInterface(Interface):
ifas = self.netinfo.ifaddresses(ifname)
return ifas
def interface_name_to_index(self, ifname):
# socket.if_nametoindex doesn't work with uuid interface names on windows, it wants the ethernet_0 style
# we will just get the index from netinfo instead as it seems to work
if RNS.vendor.platformutils.is_windows():
return self.netinfo.interface_names_to_indexes()[ifname]
return socket.if_nametoindex(ifname)
def __init__(self, owner, name, group_id=None, discovery_scope=None, discovery_port=None, multicast_address_type=None, data_port=None, allowed_interfaces=None, ignored_interfaces=None, configured_bitrate=None):
from RNS.vendor.ifaddr import niwrapper
super().__init__()
@ -205,7 +214,7 @@ class AutoInterface(Interface):
RNS.log(str(self)+" Creating multicast discovery listener on "+str(ifname)+" with address "+str(mcast_addr), RNS.LOG_EXTREME)
# Struct with interface index
if_struct = struct.pack("I", socket.if_nametoindex(ifname))
if_struct = struct.pack("I", self.interface_name_to_index(ifname))
# Set up multicast socket
discovery_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
@ -219,12 +228,21 @@ class AutoInterface(Interface):
discovery_socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_JOIN_GROUP, mcast_group)
# Bind socket
if self.discovery_scope == AutoInterface.SCOPE_LINK:
addr_info = socket.getaddrinfo(mcast_addr+"%"+ifname, self.discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
else:
addr_info = socket.getaddrinfo(mcast_addr, self.discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
if RNS.vendor.platformutils.is_windows():
discovery_socket.bind(addr_info[0][4])
# window throws "[WinError 10049] The requested address is not valid in its context"
# when trying to use the multicast address as host, or when providing interface index
# passing an empty host appears to work, but probably not exactly how we want it to...
discovery_socket.bind(('', self.discovery_port))
else:
if self.discovery_scope == AutoInterface.SCOPE_LINK:
addr_info = socket.getaddrinfo(mcast_addr+"%"+ifname, self.discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
else:
addr_info = socket.getaddrinfo(mcast_addr, self.discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
discovery_socket.bind(addr_info[0][4])
# Set up thread for discovery packets
def discovery_loop():
@ -253,7 +271,7 @@ class AutoInterface(Interface):
socketserver.UDPServer.address_family = socket.AF_INET6
for ifname in self.adopted_interfaces:
local_addr = self.adopted_interfaces[ifname]+"%"+ifname
local_addr = self.adopted_interfaces[ifname]+"%"+str(self.interface_name_to_index(ifname))
addr_info = socket.getaddrinfo(local_addr, self.data_port, socket.AF_INET6, socket.SOCK_DGRAM)
address = addr_info[0][4]
@ -380,7 +398,7 @@ class AutoInterface(Interface):
announce_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
addr_info = socket.getaddrinfo(self.mcast_discovery_address, self.discovery_port, socket.AF_INET6, socket.SOCK_DGRAM)
ifis = struct.pack("I", socket.if_nametoindex(ifname))
ifis = struct.pack("I", self.interface_name_to_index(ifname))
announce_socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, ifis)
announce_socket.sendto(discovery_token, addr_info[0][4])
announce_socket.close()
@ -433,8 +451,8 @@ class AutoInterface(Interface):
try:
if self.outbound_udp_socket == None:
self.outbound_udp_socket = socket.socket(socket.AF_INET6, socket.SOCK_DGRAM)
peer_addr = str(peer)+"%"+str(self.peers[peer][0])
peer_addr = str(peer)+"%"+str(self.interface_name_to_index(self.peers[peer][0]))
addr_info = socket.getaddrinfo(peer_addr, self.data_port, socket.AF_INET6, socket.SOCK_DGRAM)
self.outbound_udp_socket.sendto(data, addr_info[0][4])