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move to libcommon-cs: gsm48_extract_mi(), gsm48_paging_extract_mi() -- TODO move to libfilter instead?

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Change-Id: I00ca0caf8224de029f53f4dedb1146e3cf7650ec
This commit is contained in:
Neels Hofmeyr
2016-05-10 14:59:02 +02:00
parent 49e65b3aeb
commit 38fa951e52
2 changed files with 24 additions and 24 deletions
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24
openbsc/src/libbsc/gsm_04_08_utils.c
View File

@@ -270,30 +270,6 @@ int send_siemens_mrpci(struct gsm_lchan *lchan,
return rsl_siemens_mrpci(lchan, &mrpci);
}
int gsm48_extract_mi(uint8_t *classmark2_lv, int length, char *mi_string, uint8_t *mi_type)
{
/* Check the size for the classmark */
if (length < 1 + *classmark2_lv)
return -1;
uint8_t *mi_lv = classmark2_lv + *classmark2_lv + 1;
if (length < 2 + *classmark2_lv + mi_lv[0])
return -2;
*mi_type = mi_lv[1] & GSM_MI_TYPE_MASK;
return gsm48_mi_to_string(mi_string, GSM48_MI_SIZE, mi_lv+1, *mi_lv);
}
int gsm48_paging_extract_mi(struct gsm48_pag_resp *resp, int length,
char *mi_string, uint8_t *mi_type)
{
static const uint32_t classmark_offset =
offsetof(struct gsm48_pag_resp, classmark2);
uint8_t *classmark2_lv = (uint8_t *) &resp->classmark2;
return gsm48_extract_mi(classmark2_lv, length - classmark_offset,
mi_string, mi_type);
}
int gsm48_handle_paging_resp(struct gsm_subscriber_connection *conn,
struct msgb *msg, struct bsc_subscr *bsub)
{

24
openbsc/src/libcommon-cs/common_cs.c
View File

@@ -115,6 +115,30 @@ struct msgb *gsm48_create_loc_upd_rej(uint8_t cause)
return msg;
}
int gsm48_extract_mi(uint8_t *classmark2_lv, int length, char *mi_string, uint8_t *mi_type)
{
/* Check the size for the classmark */
if (length < 1 + *classmark2_lv)
return -1;
uint8_t *mi_lv = classmark2_lv + *classmark2_lv + 1;
if (length < 2 + *classmark2_lv + mi_lv[0])
return -2;
*mi_type = mi_lv[1] & GSM_MI_TYPE_MASK;
return gsm48_mi_to_string(mi_string, GSM48_MI_SIZE, mi_lv+1, *mi_lv);
}
int gsm48_paging_extract_mi(struct gsm48_pag_resp *resp, int length,
char *mi_string, uint8_t *mi_type)
{
static const uint32_t classmark_offset =
offsetof(struct gsm48_pag_resp, classmark2);
uint8_t *classmark2_lv = (uint8_t *) &resp->classmark2;
return gsm48_extract_mi(classmark2_lv, length - classmark_offset,
mi_string, mi_type);
}
uint8_t sms_next_rp_msg_ref(uint8_t *next_rp_ref)
{
const uint8_t rp_msg_ref = *next_rp_ref;