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Change-Id: I580a500edcf4812e570be586890abef746083a8c
Reviewed-on: https://gerrit.osmocom.org/74
Tested-by: Jenkins Builder
Reviewed-by: Holger Freyther <holger@freyther.de>
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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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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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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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we need to put the default value into inaddr and not put a
32bit value into the addr pointer.
Spotted by cppcheck:
[src/stats.c:231]: (error) Uninitialized variable: inaddr
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Nothing is being done with these return values. Remove them
for now and update the TODO entry that is present at two of
the three places.
stats.c: In function ‘rate_ctr_handler’:
stats.c:570:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
int rc;
^
stats.c: In function ‘osmo_stat_item_handler’:
stats.c:617:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
int rc;
^
stats.c: In function ‘handle_counter’:
stats.c:651:6: warning: variable ‘rc’ set but not used [-Wunused-but-set-variable]
int rc;
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This log level is used by the stats subsystem log reporter to report
statistics to level INFO. Note that the default level of DLSTATS is
NOTICE.
Sponsored-by: On-Waves ehf
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This commit adds class_id fields to the rate_ctr and stat_item group
descriptions. The stats reporter code is extended to only process
groups whose class_id does not exceed a per reporter max_class level.
If the class_id is not set, the code assumes 'global' for groups with
idx == 0 and 'subscriber' otherwise.
The following vty command is added to config-stats:
level (global|peer|subscriber) Set the maximum group level
Sponsored-by: On-Waves ehf
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Currently the unsigned group index value is silently being cast to
(signed) int in the log and statsd reporter code. If the resulting
value is negative (which can happen for instance with MMCTX
counters), the index is assumed to be unset.
This commit changes the affected types to unsigned. The index value 0
is then the only value indicating an unset group.
Sponsored-by: On-Waves ehf
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Since the the stat_item and stats functions and data types are meant
to be exported, they get an osmo_ prefix.
Sponsored-by: On-Waves ehf
[hfreyther: Prepended the enum values too. This was requested by
Jacob]
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This reporter passes the measurement values to the logging subsystem
as DSTATS (which is currently DLGLOBAL) level INFO messages.
Sponsored-by: On-Waves ehf
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Currently case statements are used to select the right reporter
functions. This makes it difficult to add new reporter types,
especially if they are not going to reside in the same file.
This commit introduces per reporter function pointer for
open, close, send_count, and send_item. They are checked for
non-NULL before being called or skipped.
Sponsored-by: On-Waves ehf
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To support reporters without network configuration, this commit
introduces the have_net_config flag to provide corresponding error
messages.
Sponsored-by: On-Waves ehf
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If the MTU is given, combine several messages into a single UDP
packet until the limit is reached. Flush all reporters after the
values have been scanned.
New vty commands (node config-stats):
mtu <100-65535> Enable multi-metric packets and set the maximum
packet size (in byte)
no mtu Disable multi-metric packets
Note that single messages that are longer than the given MTU (minus
28 octets protocol overhead) will be dropped.
Sponsored-by: On-Waves ehf
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This commit changes the reporting code to also show all modified
osmo_counter values. Since there is no grouping of these values, the
name string just consists of the optional prefix and the counter
name.
Sponsored-by: On-Waves ehf
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Currently only rate counter are being supported.
This commit adds support for stat items. All groups are polled for
changed values.
Sponsored-by: On-Waves ehf
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This calls stats_flush in regular intervals which polls the
statistical values and calls the active reporters when values have
changed.
Sponsored-by: On-Waves ehf
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This commit provides the stats reporting framework that can manage
several types of measurement reporters. Initially support for
rate_ctr and the statsd protocol is included.
Sponsored-by: On-Waves ehf
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