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The following types are nonstandard:
- u_char
- u_short
- u_int
- u_long
- u_int8_t
- u_int16_t
- u_int32_t
Replace them with the C99 standard types:
- uint8_t
- unsigned short
- unsigned int
- unsigned long
- uint8_t
- uint16_t
- uint32_t
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Group send and receive functions together, change handlers to take a
message instead of looking at ->ibuf and ->obuf, allow zebra to read
multiple packets off the wire at a time.
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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Turns out we had 3 different ways to define labels
all of them overlapping with the same meanings.
Consolidate to 1. This one choosen is consistent
naming wise with what the *bsd and linux kernels
use.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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The function zserv_create_header was exactly the same
as zclient_create_header. Let's just have one in the
system.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Signed-off-by: ßingen <bingen@voltanet.io>
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Allow the higher level protocol to specify if it would
like to receive notifications about it's routes that
it has installed.
I've purposely made it part of zclient_new_notify because
we need to track the routes on a per daemon basis only.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Convert the list_delete(struct list *) function to use
struct list **. This is to allow the list pointer to be nulled.
I keep running into uses of this list_delete function where we
forget to set the returned pointer to NULL and attempt to use
it and then experience a crash, usually after the developer
has long since left the building.
Let's make the api explicit in it setting the list pointer
to null.
Cynical Prediction: This code will expose a attempt
to use the NULL'ed list pointer in some obscure bit
of code.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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This adds "@tcp" as new choice on the -z option present in zebra and the
protocol daemons. The --enable-tcp-zebra option on configure is no
longer needed, both UNIX and TCP socket support is always available.
Note that @tcp should not be used by default (e.g. in an init script),
and --enable-tcp-zebra should never have been in any distro package
builds, because
**** TCP-ZEBRA IS A SECURITY PROBLEM ****
It allows arbitrary local users to mess with the routing table and
inject bogus data -- and also ZAPI is not designed to be robust against
attacks.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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indent.py `git ls-files | pcregrep '\.[ch]$' | pcregrep -v '^(ldpd|babeld|nhrpd)/'`
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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Conflicts:
ldpd/lde.c
zebra/label_manager.c
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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The FSF's address changed, and we had a mixture of comment styles for
the GPL file header. (The style with * at the beginning won out with
580 to 141 in existing files.)
Note: I've intentionally left intact other "variations" of the copyright
header, e.g. whether it says "Zebra", "Quagga", "FRR", or nothing.
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
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To avoid blocking zebra when it's acting as a proxy for an external
label manager.
Besides:
Fix get chunk reconnection. Socket was still being destroyed on failure,
so next attempt would never work.
Filter out unwanted messages in lm sync sock.
Until LDE client sends ZEBRA_LABEL_MANAGER_CONNECT message, zserv
doesn't know which kind of client it is, so it might enqueue unwanted
messages like interface add, interface up, etc. Changes in this commit
discard those messages in the client side in case they arrive before the
expected response.
Change function name for zclient_connect in label manager to avoid
confusion with zclient one.
Signed-off-by: ßingen <bingen@voltanet.io>
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- Refer to https://ci1.netdef.org/browse/FRR-FRR4-44/artifact/shared/static_analysis/index.html
- Remove unused variable
Signed-off-by: Hung-Weic Chiu <sppsorrg@gmail.com>
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- Refer to https://ci1.netdef.org/browse/FRR-FRR4-44/artifact/shared/static_analysis/index.html
- Remove unused variable
Signed-off-by: Hung-Weic Chiu <sppsorrg@gmail.com>
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The way thread.c is written, a caller who wishes to be able to cancel a
thread or avoid scheduling it twice must keep a reference to the thread.
Typically this is done with a long lived pointer whose value is checked
for null in order to know if the thread is currently scheduled. The
check-and-schedule idiom is so common that several wrapper macros in
thread.h existed solely to provide it.
This patch removes those macros and adds a new parameter to all
thread_add_* functions which is a pointer to the struct thread * to
store the result of a scheduling call. If the value passed is non-null,
the thread will only be scheduled if the value is null. This helps with
consistency.
A Coccinelle spatch has been used to transform code of the form:
if (t == NULL)
t = thread_add_* (...)
to the form
thread_add_* (..., &t)
The THREAD_ON macros have also been transformed to the underlying
thread.c calls.
Signed-off-by: Quentin Young <qlyoung@cumulusnetworks.com>
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When we fail to properly setup we can leak some memory.
Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
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Label Manager allows to share MPLS label space among different
daemons. Each daemon can request a chunk of consecutive labels and
release it if it doesn't need them anymore. Label Manager stores the
daemon protocol and instance to identify the owner client. It uses them
to perform garbage collection, releasing all label chunks from a client
when it gets disconnected or reconnected.
Additionally, every client can request that the chunk is never garbage
collected. In that case client has the responsibility to release
non-used labels.
Zebra can host the label manager itself (if no -l param is provided) or
connect to an external one using zserv/zclient (providing its address
with -l param).
Client code is in lib/zclient.c, but currently only LDP is using it.
TODO: Allow for custom ranges requests, i.e., specify the start label
besides the chunk.
TODO: Release labels from LDP.
Signed-off-by: Bingen Eguzkitza <bingen@voltanet.io>
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