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add new function gsm_bts_by_lac() to search for BTS based on location area

This commit is contained in:
Harald Welte 2009-05-23 13:56:40 +00:00
parent c1d2aaecb5
commit be99149e72
2 changed files with 29 additions and 0 deletions
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2
include/openbsc/gsm_data.h
View File

@ -349,6 +349,8 @@ void set_ts_e1link(struct gsm_bts_trx_ts *ts, u_int8_t e1_nr,
u_int8_t e1_ts, u_int8_t e1_ts_ss);
enum gsm_bts_type parse_btstype(char *arg);
char *btstype2str(enum gsm_bts_type type);
struct gsm_bts *gsm_bts_by_lac(struct gsm_network *net, unsigned int lac,
struct gsm_bts *start_bts);
static inline int is_ipaccess_bts(struct gsm_bts *bts)
{

27
src/gsm_data.c
View File

@ -179,3 +179,30 @@ char *btstype2str(enum gsm_bts_type type)
return "undefined";
return bts_types[type];
}
/* Search for a BTS in the given Location Area; optionally start searching
* with start_bts (for continuing to search after the first result) */
struct gsm_bts *gsm_bts_by_lac(struct gsm_network *net, unsigned int lac,
struct gsm_bts *start_bts)
{
int i;
struct gsm_bts *bts;
int skip = 0;
if (start_bts)
skip = 1;
for (i = 0; i < net->num_bts; i++) {
bts = &net->bts[i];
if (skip) {
if (start_bts == bts)
skip = 0;
continue;
}
if (bts->location_area_code == lac)
return bts;
}
return NULL;
}