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Let's unify generation of unicode chars at one place.
Also, don't add an extra space into chars we print, except for the tree
chars where this is really necessary.
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when processing multi-part message
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If nothing interesting was receieved we should not put anything on
the queue.
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Also, don't actually read any of the message when peeking, just get its length.
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Rather than allocating/freeing memory for each message read, keep a global read buffer
in the rtnl object. Also, rather than using a fixed size, peek at the pending message
header to get the message size and reallocate as necessary.
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messages
This means the API can stay the same as for single-part messages by simply passing the head message around. Unrefing
the head of the linked list unrefs the whole list.
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This unifies the socket handling with other sd-* libraries.
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We still only return the first message part in callback/synchronous calls.
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Reported-by: Arnaud Gaboury <arnaud.gaboury@gmail.com>
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This patch fixes the broken test-cases for sd-rtnl and add support for ipip
and sit tunnel.
[tomegun: minor fixups]
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Currently when both ipv4ll and dhcp are enabled, ipv4ll
address (if one has been claimed) is removed when dhcp
address is aquired. This is not the best thing to do
since there might be clients unaware of the removal
trying to communicate.
This patch provides a smooth transition between ipv4ll
and dhcp. If ipv4ll address was claimed [1] before dhcp,
address is marked as deprecated. Deprecated address is still
a valid address and packets can be received on it but address
cannot be selected as a source address. If dhcp lease cannot
be extended, then ipv4ll address is marked as valid again.
[1] If there is no collision, claiming IPv4LL takes between 4 to
7 seconds.
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Also fix type parameter passed to new0
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Reported by Thomas Hindoe Paaboel Andersen <phomes@gmail.com>
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We will easily get these when running on newer kernels. However, we can safely ignore them as we
anyway don't know what to do with them.
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Use a static table with all the typing information, rather than repeated
switch statements. This should make it a lot simpler to add new types.
We need to keep all the type info to be able to create containers
without exposing their implementation details to the users of the library.
As a freebee we verify the types of appended/read attributes.
The API is extended to nicely deal with unions of container types.
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The object is not currently used, so just drop the refenence. If/when we end up
using the object in the future, we must make sure to deal with possible mutual
references between rtnl busses and their queued messages; as is done in sd-bus.
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Added support for tunneling netlink attrributes (ipip, gre, sit).
These works with kernel module ipip, gre and sit . The test cases are
moved to a separate file and manual test as well because they require
respective kernel modules as well.
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Currently we only support containers in RTM_*LINK messages.
Reported-by: "Thomas H.P. Andersen <phomes@gmail.com>"
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That way, we don't forget to initialize it when the watchdog is
initialized before all event sources.
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These tests were both broken and redundant, so let's drop them.
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Extend rta_offset_tb into a stack of offset tables, one for each parent of the
current container, and make sd_rtnl_message_{enter,exit}_container() pop/push
to this stack.
Also make sd_rtnl_message_rewind() parse the top-level container, and use this
when reading a message from the socket.
This changes the API by dropping the now redundant sd_rtnl_message_read()
method.
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The bug was introducted in a3d59cd1 ("sd-bus: don't use assert_return()
to check for disconnected bus connections")
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safe_close_pair() is more like safe_close(), except that it handles
pairs of fds, and doesn't make and misleading allusion, as it works
similarly well for socketpairs() as for pipe()s...
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CLOCK_BOOTTIME_ALARM, too
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Make sure the returned data fits the datatype we requested. Otherwise return -EIO.
Also fix a broken test that this exposed.
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If a message type occurs repeatedly let the last one win.
Also, don't skip type == MAX.
Based on patch from: Susant Sahani <susant@redhat.com>
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