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handover_test: send ho detection 

So far we skipped the HO Detection message, because the FSM also accepts
a handover when the Handover Complete arrives without a Detection.
Rather model the real behavior.

Also send the EST IND message and RTP-ready events from the ho
detection.

Change-Id: Ib676e74f23ef9cd1b55262117822b0e110013bdc
This commit is contained in:
Neels Hofmeyr 2020-12-10 16:04:26 +01:00 committed by neels
parent 64982dda42
commit e0dfe96662
1 changed files with 44 additions and 4 deletions
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48
tests/handover/handover_test.c
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@ -605,7 +605,32 @@ static void send_est_ind(struct gsm_lchan *lchan)
abis_rsl_rcvmsg(msg);
}
/* send handover complete */
static void send_ho_detect(struct gsm_lchan *lchan)
{
struct msgb *msg = msgb_alloc_headroom(256, 64, "RSL");
struct abis_rsl_rll_hdr *rh;
uint8_t chan_nr = gsm_lchan2chan_nr(lchan);
fprintf(stderr, "- Send HO DETECT for %s\n", gsm_lchan_name(lchan));
rh = (struct abis_rsl_rll_hdr *) msgb_put(msg, sizeof(*rh));
rh->c.msg_discr = ABIS_RSL_MDISC_DED_CHAN;
rh->c.msg_type = RSL_MT_HANDO_DET;
rh->ie_chan = RSL_IE_CHAN_NR;
rh->chan_nr = chan_nr;
rh->ie_link_id = RSL_IE_LINK_IDENT;
rh->link_id = 0x00;
msg->dst = lchan->ts->trx->bts->c0->rsl_link;
msg->l2h = (unsigned char *)rh;
abis_rsl_rcvmsg(msg);
send_est_ind(lchan);
osmo_fsm_inst_dispatch(lchan->fi, LCHAN_EV_RTP_READY, 0);
}
static void send_ho_complete(struct gsm_lchan *lchan, bool success)
{
struct msgb *msg = msgb_alloc_headroom(256, 64, "RSL");
@ -615,9 +640,6 @@ static void send_ho_complete(struct gsm_lchan *lchan, bool success)
struct gsm48_hdr *gh;
struct gsm48_ho_cpl *hc;
send_est_ind(lchan);
osmo_fsm_inst_dispatch(lchan->fi, LCHAN_EV_RTP_READY, 0);
if (success)
fprintf(stderr, "- Send HO COMPLETE for %s\n", gsm_lchan_name(lchan));
else
@ -975,6 +997,22 @@ DEFUN(expect_ho_req, expect_ho_req_cmd,
return CMD_SUCCESS;
}
DEFUN(ho_detection, ho_detection_cmd,
"ho-detect",
"Send Handover Detection to the most recent HO target lchan\n")
{
if (!got_chan_req) {
fprintf(stderr, "Cannot ack handover/assignment, because no chan request\n");
exit(1);
}
if (!got_ho_req) {
fprintf(stderr, "Cannot ack handover/assignment, because no ho request\n");
exit(1);
}
send_ho_detect(chan_req_lchan);
return CMD_SUCCESS;
}
DEFUN(ho_complete, ho_complete_cmd,
"ho-complete",
"Send Handover Complete for the most recent HO target lchan\n")
@ -1005,6 +1043,7 @@ DEFUN(expect_ho, expect_ho_cmd,
_expect_chan_activ(to);
_ack_chan_activ(to);
_expect_ho_req(from);
send_ho_detect(to);
send_ho_complete(to, true);
lchan_release_ack(from);
return CMD_SUCCESS;
@ -1088,6 +1127,7 @@ static void ho_test_vty_init()
install_element(CONFIG_NODE, &expect_chan_cmd);
install_element(CONFIG_NODE, &ack_chan_cmd);
install_element(CONFIG_NODE, &expect_ho_req_cmd);
install_element(CONFIG_NODE, &ho_detection_cmd);
install_element(CONFIG_NODE, &ho_complete_cmd);
install_element(CONFIG_NODE, &expect_ho_cmd);
install_element(CONFIG_NODE, &ho_failed_cmd);