uint32_t cpa_mds_register(CPA_CB *cb)
{
NCSMDS_INFO svc_info;
MDS_SVC_ID subs_id[2] = { NCSMDS_SVC_ID_CPND, NCSMDS_SVC_ID_CPD };
uint32_t rc = NCSCC_RC_SUCCESS;
TRACE_ENTER();
/* STEP1: Get the MDS Handle */
if (cpa_mds_get_handle(cb) != NCSCC_RC_SUCCESS)
return NCSCC_RC_FAILURE;
/* memset the svc_info */
memset(&svc_info, 0, sizeof(NCSMDS_INFO));
/* STEP 2 : Install on ADEST with MDS with service ID NCSMDS_SVC_ID_CPA. */
svc_info.i_mds_hdl = cb->cpa_mds_hdl;
svc_info.i_svc_id = NCSMDS_SVC_ID_CPA;
svc_info.i_op = MDS_INSTALL;
svc_info.info.svc_install.i_yr_svc_hdl = cb->agent_handle_id;
svc_info.info.svc_install.i_install_scope = NCSMDS_SCOPE_NONE; /* node specific */
svc_info.info.svc_install.i_svc_cb = cpa_mds_callback; /* callback */
svc_info.info.svc_install.i_mds_q_ownership = false; /* CPA owns the mds queue */
svc_info.info.svc_install.i_mds_svc_pvt_ver = CPA_MDS_PVT_SUBPART_VERSION; /* Private Subpart Version of CPA for Versioning infrastructure */
if ((rc = ncsmds_api(&svc_info)) != NCSCC_RC_SUCCESS) {
TRACE_4("CPA MDS:INSTALL failed with return value:%d",rc);
return rc;
}
cb->cpa_mds_dest = svc_info.info.svc_install.o_dest;
/* STEP 3: Subscribe to CPND up/down events */
svc_info.i_op = MDS_SUBSCRIBE;
svc_info.info.svc_subscribe.i_num_svcs = 1;
svc_info.info.svc_subscribe.i_scope = NCSMDS_SCOPE_NONE;
svc_info.info.svc_subscribe.i_svc_ids = &subs_id[0];
if ((rc = ncsmds_api(&svc_info)) != NCSCC_RC_SUCCESS) {
TRACE_4("CPA MDS:SUBSCRIBE failed with return value:%d",rc);
goto error;
}
return NCSCC_RC_SUCCESS;
error:
/* Uninstall with the mds */
cpa_mds_unregister(cb);
TRACE_LEAVE2("retval = %u", rc);
return NCSCC_RC_FAILURE;
}
uns32 cpa_mds_register(CPA_CB *cb)
{
NCSMDS_INFO svc_info;
MDS_SVC_ID subs_id[2] = { NCSMDS_SVC_ID_CPND, NCSMDS_SVC_ID_CPD };
uns32 rc = NCSCC_RC_SUCCESS;
/* STEP1: Get the MDS Handle */
if (cpa_mds_get_handle(cb) != NCSCC_RC_SUCCESS)
return NCSCC_RC_FAILURE;
/* memset the svc_info */
memset(&svc_info, 0, sizeof(NCSMDS_INFO));
/* STEP 2 : Install on ADEST with MDS with service ID NCSMDS_SVC_ID_CPA. */
svc_info.i_mds_hdl = cb->cpa_mds_hdl;
svc_info.i_svc_id = NCSMDS_SVC_ID_CPA;
svc_info.i_op = MDS_INSTALL;
svc_info.info.svc_install.i_yr_svc_hdl = cb->agent_handle_id;
svc_info.info.svc_install.i_install_scope = NCSMDS_SCOPE_NONE; /* node specific */
svc_info.info.svc_install.i_svc_cb = cpa_mds_callback; /* callback */
svc_info.info.svc_install.i_mds_q_ownership = FALSE; /* CPA owns the mds queue */
svc_info.info.svc_install.i_mds_svc_pvt_ver = CPA_MDS_PVT_SUBPART_VERSION; /* Private Subpart Version of CPA for Versioning infrastructure */
if ((rc = ncsmds_api(&svc_info)) != NCSCC_RC_SUCCESS) {
m_LOG_CPA_CCLL(CPA_API_FAILED, NCSFL_LC_CKPT_MGMT, NCSFL_SEV_ERROR, "MDS:INSTALL", __FILE__, __LINE__,
rc);
return rc;
}
cb->cpa_mds_dest = svc_info.info.svc_install.o_dest;
/* STEP 3: Subscribe to CPND up/down events */
svc_info.i_op = MDS_SUBSCRIBE;
svc_info.info.svc_subscribe.i_num_svcs = 1;
svc_info.info.svc_subscribe.i_scope = NCSMDS_SCOPE_NONE;
svc_info.info.svc_subscribe.i_svc_ids = &subs_id[0];
if ((rc = ncsmds_api(&svc_info)) != NCSCC_RC_SUCCESS) {
m_LOG_CPA_CCLL(CPA_API_FAILED, NCSFL_LC_CKPT_MGMT, NCSFL_SEV_ERROR, "MDS:SUBSCRIBE", __FILE__, __LINE__,
rc);
goto error;
}
return NCSCC_RC_SUCCESS;
error:
/* Uninstall with the mds */
cpa_mds_unregister(cb);
return NCSCC_RC_FAILURE;
}
/****************************************************************************
Name : cpa_destroy
Description : This routine destroys the CPA control block.
Arguments : destroy_info - ptr to the destroy info
Return Values : NCSCC_RC_SUCCESS/NCSCC_RC_FAILURE
Notes : None
******************************************************************************/
static uint32_t cpa_destroy(NCS_LIB_DESTROY *destroy_info)
{
CPA_CB *cb = NULL;
/* validate the CB */
m_CPA_RETRIEVE_CB(cb);
if (!cb)
return NCSCC_RC_FAILURE;
/* MDS unregister. */
cpa_mds_unregister(cb);
m_NCS_EDU_HDL_FLUSH(&cb->edu_hdl);
/* Destroy the CPA database */
cpa_db_destroy(cb);
/* destroy the lock */
m_NCS_LOCK_DESTROY(&cb->cb_lock);
/* return CPA CB Handle */
ncshm_give_hdl(cb->agent_handle_id);
/* remove the association with hdl-mngr */
ncshm_destroy_hdl(NCS_SERVICE_ID_CPA, cb->agent_handle_id);
TRACE_2("cpa lib destroy success ");
/* Memory leaks found in cpa_init.c */
m_MMGR_FREE_CPA_CB(cb);
/* reset the global cb handle */
gl_cpa_hdl = 0;
return NCSCC_RC_SUCCESS;
}
/****************************************************************************
Name : cpa_create
Description : This routine creates & initializes the CPA control block.
Arguments : create_info - ptr to the create info
Return Values : NCSCC_RC_SUCCESS/NCSCC_RC_FAILURE
Notes : None
******************************************************************************/
static uint32_t cpa_create(NCS_LIB_CREATE *create_info)
{
CPA_CB *cb = NULL;
uint32_t rc;
/* validate create info */
if (create_info == NULL)
return NCSCC_RC_FAILURE;
/* Malloc the CB for CPA */
cb = m_MMGR_ALLOC_CPA_CB;
if (cb == NULL) {
TRACE_4("cpa mem alloc failed for CPA_CB");
goto cb_alloc_fail;
}
memset(cb, 0, sizeof(CPA_CB));
/* assign the CPA pool-id (used by hdl-mngr) */
cb->pool_id = NCS_HM_POOL_ID_COMMON;
/* create the association with hdl-mngr */
if (!(cb->agent_handle_id = ncshm_create_hdl(cb->pool_id, NCS_SERVICE_ID_CPA, (NCSCONTEXT)cb))) {
TRACE_4("cpa create failed int ncsshm_create_hdl");
goto hm_create_fail;
}
/*store the hdl in the global variable */
gl_cpa_hdl = cb->agent_handle_id;
/* get the process id */
cb->process_id = getpid();
/* initialize the cpa cb lock */
if (m_NCS_LOCK_INIT(&cb->cb_lock) != NCSCC_RC_SUCCESS) {
TRACE_4("cpa create failed in LOCK_INIT ");
goto lock_init_fail;
}
/* Initalize the CPA Trees & Linked lists */
rc = cpa_db_init(cb);
if (rc != NCSCC_RC_SUCCESS) {
/* No need to log here, already logged in cpa_db_init */
goto db_init_fail;
}
/* register with MDS */
if (cpa_mds_register(cb) != NCSCC_RC_SUCCESS) {
/* No need to log here, already logged in cpa_mds_register */
goto mds_reg_fail;
}
cpa_sync_with_cpnd(cb);
/* EDU initialisation */
if (m_NCS_EDU_HDL_INIT(&cb->edu_hdl) != NCSCC_RC_SUCCESS) {
TRACE_4("cpa create failed in EDU_INIT:");
goto edu_init_fail;
}
TRACE_1("cpa create sucess,Lib init success");
return NCSCC_RC_SUCCESS;
/* error8:
m_NCS_EDU_HDL_FLUSH(&cb->edu_hdl); */
edu_init_fail:
/* MDS unregister. */
cpa_mds_unregister(cb);
mds_reg_fail:
cb->is_cpnd_joined_clm = false;
cpa_db_destroy(cb);
db_init_fail:
/* destroy the lock */
cb->is_cpnd_joined_clm = false;
m_NCS_LOCK_DESTROY(&cb->cb_lock);
lock_init_fail:
/* remove the association with hdl-mngr */
ncshm_destroy_hdl(NCS_SERVICE_ID_CPA, cb->agent_handle_id);
gl_cpa_hdl = 0;
hm_create_fail:
/* Free the CB */
m_MMGR_FREE_CPA_CB(cb);
cb_alloc_fail:
return NCSCC_RC_FAILURE;
}
