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Merge pull request #246 from gdt/fix-transmit-hash
AutoInterface: Drop embedded scope identifier on fe80::
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commit
a6551fc019
@ -23,6 +23,7 @@
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from .Interface import Interface
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import socketserver
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import threading
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import re
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import socket
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import struct
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import time
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@ -53,6 +54,13 @@ class AutoInterface(Interface):
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return AutoInterfaceHandler(callback, *args, **keys)
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return create_handler
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def descope_linklocal(self, link_local_addr):
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# Drop scope specifier expressd as %ifname (macOS)
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link_local_addr = link_local_addr.split("%")[0]
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# Drop embedded scope specifier (NetBSD, OpenBSD)
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link_local_addr = re.sub(r"fe80:[0-9a-f]*::","fe80::", link_local_addr)
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return link_local_addr
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def __init__(self, owner, name, group_id=None, discovery_scope=None, discovery_port=None, data_port=None, allowed_interfaces=None, ignored_interfaces=None, configured_bitrate=None):
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import importlib
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if importlib.util.find_spec('netifaces') != None:
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@ -158,9 +166,9 @@ class AutoInterface(Interface):
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for address in addresses[self.netifaces.AF_INET6]:
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if "addr" in address:
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if address["addr"].startswith("fe80:"):
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link_local_addr = address["addr"]
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self.link_local_addresses.append(link_local_addr.split("%")[0])
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self.adopted_interfaces[ifname] = link_local_addr.split("%")[0]
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link_local_addr = self.descope_linklocal(address["addr"])
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self.link_local_addresses.append(link_local_addr)
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self.adopted_interfaces[ifname] = link_local_addr
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self.multicast_echoes[ifname] = time.time()
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RNS.log(str(self)+" Selecting link-local address "+str(link_local_addr)+" for interface "+str(ifname), RNS.LOG_EXTREME)
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@ -278,7 +286,7 @@ class AutoInterface(Interface):
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for address in addresses[self.netifaces.AF_INET6]:
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if "addr" in address:
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if address["addr"].startswith("fe80:"):
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link_local_addr = address["addr"].split("%")[0]
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link_local_addr = self.descope_linklocal(address["addr"])
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if link_local_addr != self.adopted_interfaces[ifname]:
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old_link_local_address = self.adopted_interfaces[ifname]
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RNS.log("Replacing link-local address "+str(old_link_local_address)+" for "+str(ifname)+" with "+str(link_local_addr), RNS.LOG_DEBUG)
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