9c5a882b7fc256ddc0b227677fa06546f0e944a8 |
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15-Oct-2015 |
Tom Gundersen <teg@jklm.no> |
sd-netlink: refcount multicast groups
Track the number of matches installed for a given multicast group, and leave the
group once no matches depend on it.
In order to handle passed-in sockets that are already members of multicast groups
we initialize the refcount based on the membership once we take over the socket.
This way we will leave the socket in the state we found it once we finish with
it.
On kernels that do not fully support reading out the multicast group membership
we fall back to never leaving any groups (as before). |
4c641e99fa1b32385b941cccccb566f5ddc9daed |
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30-Jun-2015 |
Tom Gundersen <teg@jklm.no> |
sd-netlink: respect attribute type flags
Though currently unused by us, netlink attribute types support embedding flags to indicate
if the type is encoded in network byte-order and if it is a nested attribute. Read out
these flags when parsing the message.
We will now swap the byteorder in case it is non-native when reading out integers (though
this is not needed by any of the types we currently support). We do not enforce the NESTED
flag, as the kernel gets this wrong in many cases. |