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lapd_test: Look at the content of LAPD messages and compare them 

Verify the output, accept two known errors in the generation of it.
This commit is contained in:
Holger Hans Peter Freyther 2011-12-12 00:29:50 +01:00
parent 72bd4eb3b9
commit 15f740caa3
2 changed files with 61 additions and 16 deletions
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73
tests/lapd/lapd_test.c
View File

@ -58,14 +58,32 @@ static struct msgb *msgb_from_array(const uint8_t *data, int len)
return msg;
}
/*
* Test data is below...
*/
static const uint8_t cm[] = {
0x05, 0x24, 0x31, 0x03, 0x50, 0x18, 0x93, 0x08,
0x29, 0x47, 0x80, 0x00, 0x00, 0x00, 0x00, 0x80,
};
static const uint8_t cm_padded[] = {
0x05, 0x24, 0x31, 0x03, 0x50, 0x18, 0x93, 0x08,
0x29, 0x47, 0x80, 0x00, 0x00, 0x00, 0x00, 0x80,
0x2b, 0x2b, 0x2b, 0x2b
};
static const uint8_t mm[] = {
0x05, 0x24, 0x31, 0x03, 0x50, 0x18, 0x93, 0x08,
0x29, 0x47, 0x80, 0x00,
};
static const uint8_t dummy1[] = {
0xab, 0x03, 0x30, 0x60, 0x06,
};
static struct msgb *create_cm_serv_req(void)
{
struct msgb *msg;
static const uint8_t cm[] = {
0x05, 0x24, 0x31, 0x03, 0x50, 0x18, 0x93, 0x08,
0x29, 0x47, 0x80, 0x00, 0x00, 0x00, 0x00, 0x80,
};
msg = msgb_from_array(cm, sizeof(cm));
rsl_rll_push_l3(msg, RSL_MT_EST_REQ, 0, 0, 1);
@ -75,11 +93,6 @@ static struct msgb *create_cm_serv_req(void)
static struct msgb *create_mm_id_req(void)
{
struct msgb *msg;
/* okay... not an identity request */
static const uint8_t mm[] = {
0x05, 0x24, 0x31, 0x03, 0x50, 0x18, 0x93, 0x08,
0x29, 0x47, 0x80, 0x00,
};
msg = msgb_from_array(mm, sizeof(mm));
rsl_rll_push_l3(msg, RSL_MT_DATA_REQ, 0, 0, 1);
@ -89,10 +102,6 @@ static struct msgb *create_mm_id_req(void)
static struct msgb *create_dummy_data_req(void)
{
struct msgb *msg;
/* okay... not an identity request */
static const uint8_t dummy1[] = {
0xab, 0x03, 0x30, 0x60, 0x06,
};
msg = msgb_from_array(dummy1, sizeof(dummy1));
rsl_rll_push_l3(msg, RSL_MT_DATA_REQ, 0, 0, 1);
@ -128,9 +137,23 @@ static int bts_to_ms_tx_cb(struct msgb *in_msg, struct lapdm_entity *le, void *_
{
struct lapdm_polling_state *state = _ctx;
state->bts_read += 1;
printf("%s: MS->BTS(us) message %d\n", __func__, msgb_length(in_msg));
if (state->bts_read == 0) {
printf("BTS: Verifying CM request.\n");
ASSERT(msgb_l3len(in_msg) == ARRAY_SIZE(cm_padded));
ASSERT(memcmp(in_msg->l3h, cm_padded, ARRAY_SIZE(cm_padded)) == 0);
} else if (state->bts_read == 1) {
printf("BTS: Verifying dummy message.\n");
ASSERT(msgb_l3len(in_msg) == ARRAY_SIZE(dummy1));
ASSERT(memcmp(in_msg->l3h, dummy1, ARRAY_SIZE(dummy1)) == 0);
} else {
printf("BTS: Do not know to verify: %d\n", state->bts_read);
}
state->bts_read += 1;
msgb_free(in_msg);
return 0;
@ -154,9 +177,27 @@ static int ms_to_bts_tx_cb(struct msgb *msg, struct lapdm_entity *le, void *_ctx
printf("%s: BTS->MS(us) message %d\n", __func__, msgb_length(msg));
if (state->ms_read == 0) {
/* TODO: Verify that this is a: PRIM_DL_EST, PRIM_OP_CONFIRM */
struct abis_rsl_rll_hdr hdr;
printf("MS: Verifying incoming primitive.\n");
ASSERT(msg->len == sizeof(struct abis_rsl_rll_hdr) + 3);
/* verify the header */
memset(&hdr, 0, sizeof(hdr));
rsl_init_rll_hdr(&hdr, RSL_MT_EST_CONF);
hdr.c.msg_discr |= ABIS_RSL_MDISC_TRANSP;
ASSERT(memcmp(msg->data, &hdr, sizeof(hdr)) == 0);
/* Verify the added RSL_IE_L3_INFO but we have a bug here */
ASSERT(msg->data[6] == RSL_IE_L3_INFO);
ASSERT(msg->data[7] == 0x0 && msg->data[8] == 0x9c);
/* this should be 0x0 and 0x0... but we have a bug */
} else if (state->ms_read == 1) {
/* TODO: Verify that this is: create_mm_id_req() */
printf("MS: Verifying incoming MM message.\n");
ASSERT(msgb_l3len(msg) == ARRAY_SIZE(mm));
ASSERT(memcmp(msg->l3h, mm, msgb_l3len(msg)) == 0);
} else {
printf("MS: Do not know to verify: %d\n", state->ms_read);
}
state->ms_read += 1;

4
tests/lapd/lapd_test.ok
View File

@ -2,15 +2,19 @@ I do some very simple LAPDm test.
Establishing link.
ms_to_bts_l1_cb: MS(us) -> BTS prim message
bts_to_ms_tx_cb: MS->BTS(us) message 29
BTS: Verifying CM request.
Confirming
ms_to_bts_tx_cb: BTS->MS(us) message 9
MS: Verifying incoming primitive.
Sending back to MS
ms_to_bts_tx_cb: BTS->MS(us) message 21
MS: Verifying incoming MM message.
ms_to_bts_l1_cb: MS(us) -> BTS prim message
Sending back to BTS
ms_to_bts_l1_cb: MS(us) -> BTS prim message
bts_to_ms_tx_cb: MS->BTS(us) message 14
BTS: Verifying dummy message.
Success.