Ack.
-----Original Message-----
From: Hieu Hong Hoang <[email protected]>
Sent: Wednesday, July 20, 2022 1:05 PM
To: Thang Duc Nguyen <[email protected]>; Minh Hon Chau
<[email protected]>; Thien Minh Huynh <[email protected]>
Cc: [email protected]; Hieu Hong Hoang
<[email protected]>
Subject: [PATCH 1/1] mds: Not wait for dead Adest to send RSP [#3102]
Currently, the adest will be deleted after the adest down timer expired.
It still waste 1.5s if the response is send to a deleted adest.
Solution is to return immediately if not found adest and add a new adest for a
message received from that adest if not detected its service is up.
Additionally, a new TC is created to verify this scenario.
---
src/mds/apitest/mdstipc_api.c | 112 ++++++++++++++++++++++++++++++++++
src/mds/mds_c_api.c | 5 +-
src/mds/mds_c_sndrcv.c | 28 ++++++++-
src/mds/mds_core.h | 1 +
4 files changed, 144 insertions(+), 2 deletions(-)
diff --git a/src/mds/apitest/mdstipc_api.c b/src/mds/apitest/mdstipc_api.c
index 8d09761e1..030a638a3 100644
--- a/src/mds/apitest/mdstipc_api.c
+++ b/src/mds/apitest/mdstipc_api.c
@@ -5762,6 +5762,114 @@ void tet_send_response_tp_13()
test_validate(FAIL, 0);
}
+void tet_send_response_tp_14()
+{
+ int FAIL = 1;
+ mds_shutdown();
+
+ printf("\nTest Case 14: Now send_response to dead Adest don't stuck"
+ " in waiting 1.5s after adest down timer expires\n");
+ /*-------------------------------------------------------------------*/
+ pid_t pid = fork();
+ if (pid == 0) {
+ /* child as sender */
+ MDS_SVC_ID to_svcids[] = {NCSMDS_SVC_ID_EXTERNAL_MIN};
+ mds_startup();
+ if (adest_get_handle() == NCSCC_RC_SUCCESS) {
+ if (mds_service_install(
+ gl_tet_adest.mds_pwe1_hdl,
+ NCSMDS_SVC_ID_INTERNAL_MIN, 1,
+ NCSMDS_SCOPE_NONE, false, false)
+ == NCSCC_RC_SUCCESS) {
+ if (mds_service_subscribe(
+ gl_tet_adest.mds_pwe1_hdl,
+ NCSMDS_SVC_ID_INTERNAL_MIN,
+ NCSMDS_SCOPE_INTRANODE,
+ 1, to_svcids)
+ == NCSCC_RC_SUCCESS) {
+ TET_MDS_MSG msg;
+ sleep(1); // Wait for up event
+ mds_send_get_response(
+ gl_tet_adest.mds_pwe1_hdl,
+ NCSMDS_SVC_ID_INTERNAL_MIN,
+ NCSMDS_SVC_ID_EXTERNAL_MIN,
+ gl_tet_adest.svc[0].svcevt[0].dest,
+ 100, MDS_SEND_PRIORITY_HIGH,
+ &msg);
+ mds_service_uninstall(
+ gl_tet_adest.mds_pwe1_hdl,
+ NCSMDS_SVC_ID_INTERNAL_MIN);
+ sleep(30);
+ }
+ }
+ }
+ mds_shutdown();
+ } else if (pid > 0) {
+ /* parent as receiver */
+ struct timespec time1, time2, wait_time;
+ MDS_SVC_ID to_svcids[] = {NCSMDS_SVC_ID_INTERNAL_MIN};
+ mds_startup();
+ if (adest_get_handle() == NCSCC_RC_SUCCESS) {
+ if (mds_service_install(
+ gl_tet_adest.mds_pwe1_hdl,
+ NCSMDS_SVC_ID_EXTERNAL_MIN, 1,
+ NCSMDS_SCOPE_NONE, true, false)
+ == NCSCC_RC_SUCCESS) {
+ if (mds_service_subscribe(
+ gl_tet_adest.mds_pwe1_hdl,
+ NCSMDS_SVC_ID_EXTERNAL_MIN,
+ NCSMDS_SCOPE_INTRANODE,
+ 1, to_svcids)
+ == NCSCC_RC_SUCCESS) {
+ while (is_adest_sel_obj_found(0)) {
+ if (mds_service_retrieve(
+ gl_tet_adest.mds_pwe1_hdl,
+ NCSMDS_SVC_ID_EXTERNAL_MIN,
+ SA_DISPATCH_ONE)
+ == NCSCC_RC_SUCCESS &&
+ gl_rcvdmsginfo.msg) {
+ // Received the message
+ break;
+ }
+ }
+ sleep(15); // Make sure the adest down
+ // timer expires
+ osaf_clock_gettime(CLOCK_MONOTONIC,
+ &time1);
+ // Send response
+ TET_MDS_MSG msg;
+ if (mds_send_response(
+ gl_tet_adest.mds_pwe1_hdl,
+ NCSMDS_SVC_ID_EXTERNAL_MIN,
+ &msg)
+ == NCSCC_RC_FAILURE) {
+ osaf_clock_gettime(
+ CLOCK_MONOTONIC,
+ &time2);
+ osaf_timespec_subtract(
+ &time2,
+ &time1,
+ &wait_time);
+ if (osaf_timespec_to_millis(
+ &wait_time) > 50) {
+ printf("\nResponse to"
+ " dead Adest hang >"
+ " 50ms");
+ } else {
+ FAIL = 0;
+ }
+ }
+ }
+ }
+ }
+ kill(pid, SIGKILL);
+ mds_shutdown();
+ } else {
+ printf("\nFAIL to fork()\n");
+ }
+ test_validate(FAIL, 0);
+}
+
void tet_vdest_rcvr_thread()
{
MDS_SVC_ID svc_id;
@@ -14423,6 +14531,10 @@ __attribute__((constructor)) static void
mdsTipcAPI_constructor(void)
test_case_add(
9, tet_send_response_tp_13,
"Now send_response to dead Adest don't stuck in waiting 1.5s");
+ test_case_add(
+ 9, tet_send_response_tp_14,
+ "Now send_response to dead Adest don't stuck in waiting 1.5s"
+ " after adest down timer expires");
test_suite_add(10, "Send All test cases");
test_case_add(
diff --git a/src/mds/mds_c_api.c b/src/mds/mds_c_api.c index
8e2f899a9..2fa2dc1d4 100644
--- a/src/mds/mds_c_api.c
+++ b/src/mds/mds_c_api.c
@@ -2006,12 +2006,15 @@ uint32_t mds_mcm_svc_up(PW_ENV_ID pwe_id, MDS_SVC_ID
svc_id, V_DEST_RL role,
adest_info->node.key_info =
(uint8_t *)&adest_info->adest;
adest_info->svc_cnt = 1;
+ adest_info->is_up = true;
ncs_patricia_tree_add(
&gl_mds_mcm_cb->adest_list,
(NCS_PATRICIA_NODE *)adest_info);
} else {
- if (adest_info->svc_cnt == 0)
+ if (adest_info->svc_cnt == 0) {
stop_mds_down_tmr(adest_info);
+ adest_info->is_up = true;
+ }
adest_info->svc_cnt++;
}
}
diff --git a/src/mds/mds_c_sndrcv.c b/src/mds/mds_c_sndrcv.c index
ee9dd3569..81d399c87 100644
--- a/src/mds/mds_c_sndrcv.c
+++ b/src/mds/mds_c_sndrcv.c
@@ -2715,7 +2715,13 @@ static uint32_t
mds_mcm_process_disc_queue_checks_redundant(
(MDS_ADEST_INFO *)ncs_patricia_tree_get(
&gl_mds_mcm_cb->adest_list,
(uint8_t *)&anchor);
- if (adest_info && adest_info->svc_cnt == 0) {
+ if (adest_info == NULL) {
+ m_MDS_LOG_NOTIFY(
+ "MDS_SND_RCV: Subscription exists but"
+ " Adest was down\n");
+ return NCSCC_RC_FAILURE;
+ } else if (adest_info && adest_info->svc_cnt == 0 &&
+ adest_info->is_up) {
m_MDS_LOG_NOTIFY(
"MDS_SND_RCV: Adest <0x%08x, %u> may down,"
" wait for some time for sure", @@ -4910,6
+4916,26 @@ static uint32_t mds_mcm_process_recv_snd_msg_common(MDS_SVC_INFO
*svccb,
uint32_t rc = 0;
m_MDS_ENTER();
+ if (recv->snd_type == MDS_SENDTYPE_SNDRSP ||
+ recv->snd_type == MDS_SENDTYPE_REDRSP) {
+ MDS_ADEST_INFO *adest_info =
+ (MDS_ADEST_INFO *)ncs_patricia_tree_get(
+ &gl_mds_mcm_cb->adest_list,
+ (uint8_t *)&recv->src_adest);
+ if (!adest_info) {
+ /* Add adest to adest list */
+ adest_info = m_MMGR_ALLOC_ADEST_INFO;
+ memset(adest_info, 0, sizeof(MDS_ADEST_INFO));
+ adest_info->adest = recv->src_adest;
+ adest_info->node.key_info =
+ (uint8_t *)&adest_info->adest;
+ adest_info->svc_cnt = 0;
+ adest_info->is_up = false;
+ ncs_patricia_tree_add(
+ &gl_mds_mcm_cb->adest_list,
+ (NCS_PATRICIA_NODE *)adest_info);
+ }
+ }
if (true == svccb->q_ownership) {
if (NCSCC_RC_SUCCESS !=
mds_mcm_mailbox_post(svccb, recv, recv->pri)) { diff --git
a/src/mds/mds_core.h b/src/mds/mds_core.h index 661bd85ea..efe7e4b23 100644
--- a/src/mds/mds_core.h
+++ b/src/mds/mds_core.h
@@ -257,6 +257,7 @@ typedef struct mds_adest_info {
/* Adest info */
MDS_DEST adest; /* Key for Patricia node */
uint16_t svc_cnt; /* Adest SVC counter */
+ bool is_up;
MDS_TMR_REQ_INFO *tmr_req_info;
uint32_t tmr_hdl;
} MDS_ADEST_INFO;
--
2.25.1
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