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Shipping our own private copy of talloc was a good idea in 2008,
when it was not readily available on most target platforms. Today,
the situation is quite different, as it is a standard library on
major Linux distributions.
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86ec311896dd5d4 adds compiler warnings on 64bit. The build is clean otherwise,
so let's keep it that way.
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This adds a function that verifies whether a mgsb is consistent.
Sponsored-by: On-Waves ehf
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This patch makes msgb_hexdump accept out of range lXh pointers and
shows info about them instead of aborting the dump entirely.
Sponsored-by: On-Waves ehf
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These functions originate from openbsc/src/gprs but are generic
msgb helper functions.
msgb_copy: This function allocates a new msgb, copies the data
buffer of msg, and adjusts the pointers (incl. l1h-l4h)
accordingly.
msgb_resize_area:
This resizes a sub area of the msgb data and adjusts the
pointers (incl. l1h-l4h) accordingly.
Sponsored-by: On-Waves ehf
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The primitives for SUSPEND, RESUME and RECONNECT are only permitted on
the MS side of the LAPDm link, not on the BTS side. So we should check
for this and reject, accordingly.
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Currently the state is assumed to remain the same while the reset
procedure is active. While this works correctly in general, a single
unexpected BLOCK_ACK or UNBLOCK_ACK can change the state but will not
stop the reset procedure. The leads to repeated RESET messages, where
the corresponding RESET_ACK is ignored. This is a stable state which
can only be left by manual intervention or by reception of a RESET
message from the peer.
This commit changes the RESET timeout handler to set the state to
BLOCKED/RESET when sending the new NS RESET message.
Note that this should ensure a clean restart even if the state has been
screwed up. It does not fix the handling of BLOCK_ACK or UNBLOCK_ACK
in abnormal cases.
Addresses:
gprs_ns.c:349 NSEI=8895 Tx NS RESET (NSVCI=8895, cause=O&M intervention)
gprs_ns.c:878 NSVCI=8895 Rx NS RESET ACK (NSEI=8895, NSVCI=8895)
gprs_ns.c:887 NS RESET ACK Discarding unexpected message for NS-VCI 8895 from SGSN NSEI=8895
Ticket: OW#1551
Sponsored-by: On-Waves ehf
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stats_statsd.c: In function ‘osmo_stats_reporter_statsd_send_item’:
stats_statsd.c:154:15: warning: initialization discards ‘const’ qualifier from pointer target type
char *unit = desc->unit;
^
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The stat item group is not removed by gprs_nsvc_delete which will
corrupt the group list.
Addresses:
valgrind tests/gbproxy/gbproxy_test
[...]
==4541== Invalid write of size 4
==4541== at 0x4071ACA: __llist_add (linuxlist.h:65)
==4541== by 0x4071ACA: llist_add (linuxlist.h:81)
==4541== by 0x4071ACA: osmo_stat_item_group_alloc
(stat_item.c:112)
==4541== by 0x407EDFD: gprs_nsvc_create (gprs_ns.c:244)
==4541== by 0x408109D: gprs_ns_instantiate (gprs_ns.c:1388)
==4541== by 0x804CFD3: test_gbproxy_ident_changes
(gbproxy_test.c:1501)
==4541== by 0x805FBD3: main (gbproxy_test.c:5803)
Sponsored-by: On-Waves ehf
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In case talloc is not installed in the default search path we need
to place @TALLOC_CFLAGS@ into the include directory as well.
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this was detected by debian packaging, as the associated gsm_03_41 test
case fails on big endian machines like ppc.
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this is an attempt to fix the FreeBSD build
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This symbol is globally visible and therefore should have an OSMO
prefix like the other identifiers exported by stat_item.h.
Sponsored-by: On-Waves ehf
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Add OSMO_STAT_ITEM_NO_UNIT for stat items without an unit. The
statsd reporter uses gauges ("g") to report them.
Sponsored-by: On-Waves ehf
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Shipping our own private copy of talloc was a good idea in 2008,
when it was not readily available on most target platforms. Today,
the situation is quite different, as it is a standard library on
major Linux distributions.
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Currently the counters are scanned twice, once for interval
computation and once for reporting.
This adds a reminder to move the interval computation code to a
special stats reporter which just shall update the fields.
Sponsored-by: On-Waves ehf
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Adds a rudimentary leak check for the counters and stat items.
Sponsored-by: On-Waves ehf
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This tests uses a dedicated test reported to check several aspects of
the value reporting.
- addition/removal of stats reporter
- addition/removal of counters/items
- setting of max_class
- initial value flush
- updating single counters/items
- reporter retrieval
- enable/disable
Sponsored-by: On-Waves ehf
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Due to prior refactoring, the functions do not have an sensible order
in the file. This commit tries to improve that a little bit.
Sponsored-by: On-Waves ehf
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This commit moves the stats specific code parts into stats_statsd.c
while keeping the generic parts in stats.c. The code in stats.c no
longer contains references to statsd symbols.
Note that the VTY code still needs to know about every stats reporter
backend.
Sponsored-by: On-Waves ehf
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As we are making a decision whether we should use an existing system
library, we call it --with-system-talloc, rather than
--enable-system-talloc.
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https://autotools.io/pkgconfig/pkg_check_modules.html
> If you have the first call to PKG_CHECK_MODULES inside a bash
> conditional block, the expansion of PKG_PROG_PKG_CONFIG will also be
> conditional
> You can solve this problem in two ways; you can either explicitly call
> PKG_PROG_PKG_CONFIG outside of any conditional, forcing checking for
> pkg-config as soon as possible; or you can rewrite your conditionals
> to use the proper syntax
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This introduces a new configure flag by which the libosmocore-internal
talloc code is not compiled, but rather a system-wide libtalloc is used.
When we started openbsc/libosmocore in 2008, libtalloc was not widely
present on systems yet. This has changed meanwhile, and we should
simply use the system-wide library
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CC stat_item.lo
stat_item.c: In function 'osmo_stat_item_group_alloc': stat_item.c:84:28: warning: cast to pointer from integer of different
size [-Wint-to-pointer-cast]
group->items[item_idx] = (void *)items_size;
^
stat_item.c:98:24: warning: cast from pointer to integer of different size [-Wpointer-to-int-cast]
((uint8_t *)items + (int)group->items[item_idx]);
^
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This was pointed out by Jaroslav Skarvada during fedora packaging,
and he has a valid point...
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Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
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Currently the global stat item index is being advanced in
osmo_stat_item_group_handler, so that the second and further groups
in the list will skip new item values.
This commit moves the call to osmo_stat_item_discard_all into
osmo_stats_report to a place where all groups have been processed
already.
Sponsored-by: On-Waves ehf
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Currently the reporter loop is aborted, if the event would be ignored
due to an insufficient max_level. Thus the reporters that happen to
be stored afterwards would be skipped even if their level were
sufficient.
This commit replaces the conditional 'return' statement by a
considtional 'continue' statement to ensure the processing of the
list tail.
Sponsored-by: On-Waves ehf
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Currently only counter changes and new item values are being
reported. This makes it cumbersome to configure reporting clients,
since there is nothing like a list of all parameters.
This commit changes this behaviour such that all currently existing
counters and items that would be reported eventually, are passed to
the reporter when it has been reconfigured or enabled. If a counter
has not been incremented, 0 is sent. If a stat item value has not
been added, the last item value (or the default value if there is
none) is resent again.
Note that this will not catch transient counters/items that will be
created later on, e.g. triggered by new peers or subscribers.
To just force this kind of dump on a running reporter, it is
sufficient to invoke the 'enable' command in its configuration node.
Sponsored-by: On-Waves ehf
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Currently the having an unset prefix leads to an abort() in the
statsd reporter due to an fprintf format string error. In addition
the prefix cannot be reset to its initial state (NULL) by using 'no
prefix', which just sets the prefix to the empty string, causing a
single leading dot to appear in front of the name.
This commit changes the implemenation to consistly use NULL for
the unset name prefix ('no prefix') and to handle this case correctly
in the statsd reporter.
Sponsored-by: On-Waves ehf
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Potentially Fixes:
<command id='show stats level (global|peer|subscriber)'>
<param name='subscriber' doc='(null)' />
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The NS object is created with an unknown identity and only after
the reset procedure has progressed (completed?) we know the real
ID for this peer. Before nobody has looked at the idx values (this
could have been seen with the CTRL interface) but with statsd the
wrong NSVCI becomes obvious.
Add routines to update the idx and I don't know if the change of
idx is causing any issues but we will find that out soon.
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Currently there is only the 'show stats' command which shows all
counter and stat_item values. This can lead to many lines of output
if there are per-subscriber rate counters.
The new command added by this commit allows it to only show groups of
a certain level (class_id), similar to the 'level' configuration
command for stats reporter.
The new command is
show stats level (global|peer|subscriber)
Sponsored-by: On-Waves ehf
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Currently the class_id is not set which effectively puts these groups
into the 'subscriber' class.
This commit adds the missing initialisation value.
Sponsored-by: On-Waves ehf
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This commit adds tests to verify the stats related VTY configuration
commands.
Sponsored-by: On-Waves ehf
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Currently this is part of the only test function that uses the
vty directly.
In preperation for more such test cases, this commit moves this code
into separate functions.
Sponsored-by: On-Waves ehf
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The addition of libosmovty.la to several test cases as done in
commit 738d9e22108a8e47245 (stats: Add vty_out_stat_item_group)
is not needed.
This commit removes them.
Sponsored-by: On-Waves ehf
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Bump the ABI version of libosmovty and we need to do this
recursively to force rebuilds of our software.
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include stdint.h for int64_t and use netinet/in.h and not
netinet/ip.h for getting sockaddr_in and such.
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