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tdef: Introduce API osmo_tdef_set() 

This API is already useful for users willing to set a given timer to a
given value. It will also contain code later that checks for value being
inside valid range for that timer.

Related: OS#4190
Change-Id: Id56a1226d724a374f04231df85fe5b49ffd2c43c
This commit is contained in:
Pau Espin 2019-09-05 13:30:48 +02:00 committed by pespin
parent 994df263fa
commit 77cd10f0db
2 changed files with 21 additions and 0 deletions
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1
include/osmocom/core/tdef.h
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@ -97,6 +97,7 @@ void osmo_tdefs_reset(struct osmo_tdef *tdefs);
unsigned long osmo_tdef_get(const struct osmo_tdef *tdefs, int T, enum osmo_tdef_unit as_unit,
long val_if_not_present);
struct osmo_tdef *osmo_tdef_get_entry(struct osmo_tdef *tdefs, int T);
int osmo_tdef_set(struct osmo_tdef *tdefs, int T, unsigned long val, enum osmo_tdef_unit as_unit);
/*! Using osmo_tdef for osmo_fsm_inst: array entry for a mapping of state numbers to timeout definitions.
* For a usage example, see osmo_tdef_get_state_timeout() and test_tdef_state_timeout() in tdef_test.c. */

20
src/tdef.c
View File

@ -25,6 +25,7 @@
*/
#include <limits.h>
#include <errno.h>
#include <osmocom/core/fsm.h>
#include <osmocom/core/tdef.h>
@ -210,6 +211,25 @@ struct osmo_tdef *osmo_tdef_get_entry(struct osmo_tdef *tdefs, int T)
return NULL;
}
/*! Set value in entry matching T, converting val from val_unit to unit of T.
* \param[in] tdefs Array of timer definitions, last entry being fully zero.
* \param[in] T Timer number to set the value for.
* \param[in] val The new timer value to set.
* \param[in] val_unit Units of value in parameter val.
* \return 0 on success, negative on error.
*/
int osmo_tdef_set(struct osmo_tdef *tdefs, int T, unsigned long val, enum osmo_tdef_unit val_unit)
{
struct osmo_tdef *t;
osmo_tdef_for_each(t, tdefs) {
if (t->T == T) {
t->val = osmo_tdef_round(val, val_unit, t->unit);
return 0;
}
}
return -EEXIST;
}
/*! Using osmo_tdef for osmo_fsm_inst: find a given state's osmo_tdef_state_timeout entry.
*
* The timeouts_array shall contain exactly 32 elements, regardless whether only some of them are actually populated