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gprs: Implement PURGE_MS GSUP messages

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This commit implements the encoding and decoding of the messages

  - Purge MS Request
  - Purge MS Error
  - Purge MS Result

and adds corresponding tests.

Sponsored-by: On-Waves ehf
This commit is contained in:
Jacob Erlbeck
2015-01-15 11:50:08 +01:00
committed by Holger Hans Peter Freyther
parent cde0bb27a1
commit 69d271376c
4 changed files with 35 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
openbsc/include/openbsc/gprs_gsup_messages.h
View File

@@ -39,6 +39,7 @@ enum gprs_gsup_iei {
GPRS_GSUP_PDP_INFO_COMPL_IE = 0x04,
GPRS_GSUP_PDP_INFO_IE = 0x05,
GPRS_GSUP_CANCEL_TYPE_IE = 0x06,
GPRS_GSUP_FREEZE_PTMSI_IE = 0x07,
GPRS_GSUP_PDP_CONTEXT_ID_IE = 0x10,
GPRS_GSUP_PDP_TYPE_IE = 0x11,
GPRS_GSUP_ACCESS_POINT_NAME_IE = 0x12,
@@ -92,6 +93,7 @@ struct gprs_gsup_message {
enum gsm48_gmm_cause cause;
enum gprs_gsup_cancel_type cancel_type;
int pdp_info_compl;
int freeze_ptmsi;
struct gsm_auth_tuple auth_tuples[GPRS_GSUP_MAX_NUM_AUTH_INFO];
size_t num_auth_tuples;
struct gprs_gsup_pdp_info pdp_infos[GPRS_GSUP_MAX_NUM_PDP_INFO];

7
openbsc/src/gprs/gprs_gsup_messages.c
View File

@@ -237,6 +237,10 @@ int gprs_gsup_decode(const uint8_t *const_data, size_t data_len,
gsup_msg->pdp_info_compl = 1;
break;
case GPRS_GSUP_FREEZE_PTMSI_IE:
gsup_msg->freeze_ptmsi = 1;
break;
case GPRS_GSUP_PDP_CONTEXT_ID_IE:
/* When these IE appear in the top-level part of the
* message, they are used by Delete Subscr Info to delete
@@ -381,6 +385,9 @@ void gprs_gsup_encode(struct msgb *msg, const struct gprs_gsup_message *gsup_msg
if (gsup_msg->pdp_info_compl)
msgb_tlv_put(msg, GPRS_GSUP_PDP_INFO_COMPL_IE, 0, &u8);
if (gsup_msg->freeze_ptmsi)
msgb_tlv_put(msg, GPRS_GSUP_FREEZE_PTMSI_IE, 0, &u8);
for (idx = 0; idx < gsup_msg->num_pdp_infos; idx++) {
const struct gprs_gsup_pdp_info *pdp_info;

23
openbsc/tests/gprs/gprs_test.c
View File

@@ -471,6 +471,23 @@ static void test_gsup_messages_dec_enc(void)
TEST_IMSI_IE,
};
static const uint8_t purge_ms_req[] = {
0x0c,
TEST_IMSI_IE,
};
static const uint8_t purge_ms_err[] = {
0x0c,
TEST_IMSI_IE,
0x02, 0x01, 0x03, /* Illegal MS */
};
static const uint8_t purge_ms_res[] = {
0x0c,
TEST_IMSI_IE,
0x07, 0x00,
};
static const struct test {
char *name;
const uint8_t *data;
@@ -494,6 +511,12 @@ static void test_gsup_messages_dec_enc(void)
location_cancellation_err, sizeof(location_cancellation_err)},
{"Location Cancellation Result",
location_cancellation_res, sizeof(location_cancellation_res)},
{"Purge MS Request",
purge_ms_req, sizeof(purge_ms_req)},
{"Purge MS Error",
purge_ms_err, sizeof(purge_ms_err)},
{"Purge MS Result",
purge_ms_res, sizeof(purge_ms_res)},
};
printf("Test GSUP message decoding/encoding\n");

3
openbsc/tests/gprs/gprs_test.ok
View File

@@ -24,4 +24,7 @@ Test GSUP message decoding/encoding
Testing Location Cancellation Request
Testing Location Cancellation Error
Testing Location Cancellation Result
Testing Purge MS Request
Testing Purge MS Error
Testing Purge MS Result
Done.