| Commit message (Collapse) | Author | Age | Files | Lines |
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Before this patch, if timeout_secs == 0 was passed to
osmo_fsm_inst_state_chg(), the previous T value remained set in the
osmo_fsm_inst->T.
For example:
osmo_fsm_inst_state_chg(fi, ST_X, 23, 42);
// timer == 23 seconds; fi->T == 42
osmo_fsm_inst_state_chg(fi, ST_Y, 0, 0);
// no timer; fi->T == 42!
Instead, always set to the T value passed to osmo_fsm_inst_state_chg().
Adjust osmo_fsm_inst_state_chg() API doc; need to rephrase to accurately
describe the otherwise unchanged behaviour independently from T.
Verify in fsm_test.c.
Rationale: it is confusing to have a T number remaining from some past state,
especially since the user explicitly passed a T number to
osmo_fsm_inst_state_chg(). (Usually we are passing timeout_secs=0, T=0).
I first thought this behavior was introduced with
osmo_fsm_inst_state_chg_keep_timer(), but in fact osmo_fsm_inst_state_chg()
behaved this way from the start.
This shows up in the C test for the upcoming tdef API, where the test result
printout was showing some past T value sticking around after FSM state
transitions. After this patch, there will be no such confusion.
Change-Id: I65c7c262674a1bc5f37faeca6aa0320ab0174f3c
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Change-Id: I3c0e53b846b2208bd201ace99777f2286ea39ae8
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In the osmo-msc, I would like to set the subscr conn FSM identifier by a string
format, to include the type of Complete Layer 3 that is taking place. I could
each time talloc a string and free it again. This API is more convenient.
From osmo_fsm_inst_update_id(), call osmo_fsm_inst_update_id_f() with "%s" (or
pass NULL).
Put the name updating into separate static update_name() function to clarify.
Adjust the error message for erratic ID: don't say "allocate", it might be from
an update. Adjust test expectation.
Change-Id: I76743a7642f2449fd33350691ac8ebbf4400371d
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Since alloc relies on osmo_fsm_inst_update_id() to set the name, never skip
that.
In osmo_fsm_inst_alloc(), we allow passing a NULL id, and in
osmo_fsm_inst_update_id(), we set the name without id if id is NULL.
Change-Id: I6d6b09a811b82770818f19b189a57d9fc4a8133b
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Place id and name testing in its separate section, test_id_api().
Add a test that actually allocates an FSM instance with a NULL id, which is
allowed, but uncovers a bug of an unset FSM instance name. osmo_fsm_inst_name()
falls back to the fsm struct's name on NULL, but osmo_fsm_inst_find_by_name()
fails to match if the instance's name is NULL (and until recently even
crashed). Show this in fsm_test.c with loud comments.
Add test to clear the id by passing NULL.
Add test for setting an empty id.
Add test for setting an invalid identifier (osmo_identifier_valid() == false).
Change-Id: I646ed918576ce196c395dc5f42a1507c52ace2c5
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In fsm_test.c, we have FSM instance cleanup after the select main loop, but we
exit(0) in the timer cb; hence the final code is never called.
Rather clean up the instance and hence also test that, by using a global flag
to exit the main loop upon timeout.
Adjust expected stderr output.
BTW, in a subsequent commit, I want to move the fsm instance id testing to
below the main loop, to more clearly group the tested bits.
Change-Id: Ia47811ffcc1bd68d2630c86be7ab98fc1f338773
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If the name stays the same the log messages will still log with the old
id. Since we can now change the id we need to update the name as well.
NULL as id was allowed before so we should allow that as well.
Change-Id: I6b01eb10b8a05fee3e4a5cdefdcf3ce9f79545b4
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Event names are displayed in VTY commands so all FSM should have them.
Print an error message if an FSM is registered without event names.
We could also return an error code, however at present no caller checks
the return value of osmo_fsm_register() so this would be pointless.
Add event names to the test FSM and update expected output accordingly.
Change-Id: I08b100d62b5c50bf025ef87d31ea39072539cf37
Related: OS#3008
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Change-Id: Ic3d5da00f7ece6dbcd4c999187a5748c9331e60f
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This allows programmatic access to introspection of FSM instances, which
is quite handy from e.g. external test cases: Send a message to the
code, then use the CTRL interface to check if that message has triggered
the right kind of state transition.
Change-Id: I0f80340ee9c61c88962fdd6764a6098a844d0d1e
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Introduce two lookup helper functions to resolve a fsm_instance based on
the FSM and name or ID. Also, add related test cases.
Change-Id: I707f3ed2795c28a924e64adc612d378c21baa815
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Change-Id: Ifd7e85cd69b5e7e473000abc1ef7a56748aafc0e
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osmo_fsm_inst_alloc() logs allocation but osmo_fsm_inst_free() is
silent. Fix this by adding log message for deallocation to make FSM
lifecycle tracking easier. Also make sure it's covered by test suite.
Change-Id: I7e5b55a1fff8e36cf61c7fb61d3e79c1f00e29d2
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Previously function was defined but not exposed so there were a way to
register FSM but no way to unregister it.
Change-Id: I2e749d896009784b77d6d5952fcc38e1c131db2b
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This code is supposed to formalize some of the state machine handling in
Osmocom code.
Change-Id: I0b0965a912598c1f6b84042a99fea9d522642466
Reviewed-on: https://gerrit.osmocom.org/163
Tested-by: Jenkins Builder
Reviewed-by: Harald Welte <laforge@gnumonks.org>
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