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C-Netz: Add support for extended frequency band. (October 1989)

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This commit is contained in:
Andreas Eversberg
2016-08-03 08:44:13 +02:00
parent e69d74ac45
commit 2bd7c16baa
8 changed files with 88 additions and 52 deletions
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12
src/cnetz/database.c
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@@ -35,6 +35,7 @@ typedef struct cnetz_database {
uint8_t futln_nat; /* who ... */
uint8_t futln_fuvst;
uint16_t futln_rest;
int extended; /* mobile supports extended frequencies */
struct timer timer; /* timer for next availability check */
int retry; /* counts number of retries */
} cnetz_db_t;
@@ -83,7 +84,7 @@ static void db_timeout(struct timer *timer)
}
/* create/update db entry */
void update_db(cnetz_t *cnetz, uint8_t futln_nat, uint8_t futln_fuvst, uint16_t futln_rest, int busy, int failed)
int update_db(cnetz_t *cnetz, uint8_t futln_nat, uint8_t futln_fuvst, uint16_t futln_rest, int extended, int busy, int failed)
{
cnetz_db_t *db, **dbp;
@@ -100,7 +101,7 @@ void update_db(cnetz_t *cnetz, uint8_t futln_nat, uint8_t futln_fuvst, uint16_t
db = calloc(1, sizeof(*db));
if (!db) {
PDEBUG(DDB, DEBUG_ERROR, "No memory!\n");
return;
return 0;
}
timer_init(&db->timer, db_timeout, db);
@@ -117,6 +118,9 @@ void update_db(cnetz_t *cnetz, uint8_t futln_nat, uint8_t futln_fuvst, uint16_t
PDEBUG(DDB, DEBUG_INFO, "Adding subscriber '%d,%d,%d' to database.\n", db->futln_nat, db->futln_fuvst, db->futln_rest);
}
if (extended >= 0)
db->extended = extended;
if (busy) {
PDEBUG(DDB, DEBUG_INFO, "Subscriber '%d,%d,%d' busy now.\n", db->futln_nat, db->futln_fuvst, db->futln_rest);
timer_stop(&db->timer);
@@ -129,10 +133,12 @@ void update_db(cnetz_t *cnetz, uint8_t futln_nat, uint8_t futln_fuvst, uint16_t
PDEBUG(DDB, DEBUG_NOTICE, "Paging subscriber '%d,%d,%d' failed (try %d of %d).\n", db->futln_nat, db->futln_fuvst, db->futln_rest, db->retry, MELDE_MAXIMAL);
if (db->retry == MELDE_MAXIMAL) {
remove_db(db);
return;
return db->extended;
}
timer_start(&db->timer, MELDE_WIEDERHOLUNG); /* when to do retry */
}
return db->extended;
}
int find_db(uint8_t futln_nat, uint8_t futln_fuvst, uint16_t futln_rest)