Ack with 02 minor comments.

Regards, Vu

> -----Original Message-----
> From: mahesh.va...@oracle.com [mailto:mahesh.va...@oracle.com]
> Sent: Friday, August 5, 2016 7:58 PM
> To: lennart.l...@ericsson.com; vu.m.ngu...@dektech.com.au;
> anders.wid...@ericsson.com
> Cc: opensaf-devel@lists.sourceforge.net
> Subject: [PATCH 2 of 4] lgs: director Cluster Membership (CLM) integration
> [#1638] V4
> 
>  osaf/services/saf/logsv/lgs/Makefile.am |    7 +-
>  osaf/services/saf/logsv/lgs/lgs_cb.h    |    4 +
>  osaf/services/saf/logsv/lgs/lgs_clm.cc  |  395
> ++++++++++++++++++++++++++++++++
>  osaf/services/saf/logsv/lgs/lgs_clm.h   |   39 +++
>  osaf/services/saf/logsv/lgs/lgs_evt.cc  |   15 +
>  osaf/services/saf/logsv/lgs/lgs_main.cc |   28 ++
>  osaf/services/saf/logsv/lgs/lgs_mds.cc  |   38 ++-
>  7 files changed, 523 insertions(+), 3 deletions(-)
> 
> 
> diff --git a/osaf/services/saf/logsv/lgs/Makefile.am
> b/osaf/services/saf/logsv/lgs/Makefile.am
> --- a/osaf/services/saf/logsv/lgs/Makefile.am
> +++ b/osaf/services/saf/logsv/lgs/Makefile.am
> @@ -37,7 +37,8 @@ noinst_HEADERS = \
>       lgs_mbcsv_v3.h \
>       lgs_mbcsv_v5.h \
>       lgs_recov.h \
> -     lgs_imm_gcfg.h
> +     lgs_imm_gcfg.h \
> +     lgs_clm.h
> 
>  osaf_execbindir = $(pkglibdir)
>  osaf_execbin_PROGRAMS = osaflogd
> @@ -68,7 +69,8 @@ osaflogd_SOURCES = \
>       lgs_mbcsv_v3.cc \
>       lgs_mbcsv_v5.cc \
>       lgs_recov.cc \
> -     lgs_imm_gcfg.cc
> +     lgs_imm_gcfg.cc \
> +     lgs_clm.cc
> 
>  osaflogd_LDADD = \
>       $(top_builddir)/osaf/tools/safimm/src/libimmutil.la \
> @@ -76,4 +78,5 @@ osaflogd_LDADD = \
>       $(top_builddir)/osaf/libs/saf/libSaAmf/libSaAmf.la \
>       $(top_builddir)/osaf/libs/saf/libSaImm/libSaImmOi.la \
>       $(top_builddir)/osaf/libs/saf/libSaImm/libSaImmOm.la \
> +     $(top_builddir)/osaf/libs/saf/libSaClm/libSaClm.la \
>       $(top_builddir)/osaf/libs/agents/infrastructure/rda/librda.la
> diff --git a/osaf/services/saf/logsv/lgs/lgs_cb.h
> b/osaf/services/saf/logsv/lgs/lgs_cb.h
> --- a/osaf/services/saf/logsv/lgs/lgs_cb.h
> +++ b/osaf/services/saf/logsv/lgs/lgs_cb.h
> @@ -21,6 +21,7 @@
>  #include <stdbool.h>
>  #include <saLog.h>
>  #include <saImmOi.h>
> +#include <saClm.h>
>  #include <mbcsv_papi.h>
>  #include <ncs_edu_pub.h>
> 
> @@ -80,6 +81,8 @@ typedef struct lgs_cb {
>       bool is_quiesced_set;
>       SaImmOiHandleT immOiHandle;     /* IMM OI handle
> */
>       SaSelectionObjectT immSelectionObject;  /* Selection Object
> to wait for IMM events */
> +     SaSelectionObjectT clmSelectionObject;  /* Selection Object to wait
> for clms events */
> +     SaClmHandleT clm_hdl;   /* CLM handle, obtained through CLM init
> */
>       SaAmfHAStateT ha_state; /* present AMF HA state of the
> component     */
>       uint32_t last_client_id;        /* Value of last client_id assigned
*/
>       uint32_t async_upd_cnt; /* Async Update Count for
> Warmsync */
> @@ -94,6 +97,7 @@ typedef struct lgs_cb {
>                                                     down events Processing
*/
>       LGA_DOWN_LIST *lga_down_list_tail;
> 
> +     NCS_SEL_OBJ clm_init_sel_obj; /* Selection object for CLM
> initialization.*/
>       bool nid_started;       /**< true if started by NID */
>       SaUint32T scAbsenceAllowed; /* OpenSAF global configuration for
> recovery handling */
>       lgs_state_t lgs_recovery_state; /* Indicate current recovery state
for
> the server */
> diff --git a/osaf/services/saf/logsv/lgs/lgs_clm.cc
> b/osaf/services/saf/logsv/lgs/lgs_clm.cc
> new file mode 100644
> --- /dev/null
> +++ b/osaf/services/saf/logsv/lgs/lgs_clm.cc
> @@ -0,0 +1,395 @@
> +/*      -*- OpenSAF -*-
> + *
> + * (C) Copyright 2016 The OpenSAF Foundation
> + *
> + * This program is distributed in the hope that it will be useful, but
> + * WITHOUT ANY WARRANTY; without even the implied warranty of
> MERCHANTABILITY
> + * or FITNESS FOR A PARTICULAR PURPOSE. This file and program are
> licensed
> + * under the GNU Lesser General Public License Version 2.1, February
1999.
> + * The complete license can be accessed from the following location:
> + * http://opensource.org/licenses/lgpl-license.php
> + * See the Copying file included with the OpenSAF distribution for full
> + * licensing terms.
> + *
> + * Author(s): Oracle
> + *
> + */
> +#include "osaf/services/saf/logsv/lgs/lgs.h"
> +#include "osaf/services/saf/logsv/lgs/lgs_clm.h"
> +
> +static bool clm_initialized;
> +static void *clm_node_db;       /* used for C++ STL map */
[Vu] Please do initialize this pointer to NULL. 
Otherwise, we may get trouble in ` lgs_clm_node_map_init` if the pointer is
initialized an invalid value.
> +typedef std::map<NODE_ID, lgs_clm_node_t *> ClmNodeMap;
> +
> +/**
> + * @brief Checks if LGSV has already initialized with CLM service.
> + *
> + * @return true/false.
> + */
> +  static bool is_clm_init() {
> +    return (((lgs_cb->clm_hdl != 0)
> +          && (clm_initialized == true)) ? true : false);
> +  }
[Vu] This function is shifted two spaces forward. 
> +
> +/**
> + * Name     : lgs_clm_node_map_init
> + * Description   : This routine is used to initialize the clm_node_map
> + * Arguments     : lgs_cb - pointer to the lgs Control Block
> + * Return Values : NCSCC_RC_SUCCESS/NCSCC_RC_FAILURE
> + * Notes    : None
> + */
> +uint32_t lgs_clm_node_map_init(lgs_cb_t *lgs_cb) {
> +  TRACE_ENTER();
> +  if (clm_node_db) {
> +    TRACE("CLM Node map already exists");
> +    return NCSCC_RC_FAILURE;
> +  }
> +
> +  clm_node_db = new ClmNodeMap;
> +  TRACE_LEAVE();
> +  return NCSCC_RC_SUCCESS;
> +}
> +
> +
> +/**
> + * Name     : lgs_clm_node_find
> + * Description   : This routine finds the clm_node .
> + * Arguments     : clm_node_id - CLM Node id
> + * Return Values : NCSCC_RC_SUCCESS/NCSCC_RC_FAILURE
> + * Notes    : None
> + */
> +static uint32_t lgs_clm_node_find(NODE_ID clm_node_id) {
> +  TRACE_ENTER();
> +  uint32_t rc;
> +
> +  ClmNodeMap *clmNodeMap(reinterpret_cast<ClmNodeMap *>
> +      (clm_node_db));
> +
> +  if (clmNodeMap) {
> +    ClmNodeMap::iterator it(clmNodeMap->find(clm_node_id));
> +
> +    if (it != clmNodeMap->end()) {
> +      rc = NCSCC_RC_SUCCESS;
> +    } else {
> +      rc = NCSCC_RC_FAILURE;
> +      TRACE("clm_node_id not exist DB failed : %x", clm_node_id);
> +    }
> +  } else {
> +    TRACE("clmNodeMap DB not exist failed : %x", clm_node_id);
> +    rc = NCSCC_RC_FAILURE;
> +    //    osafassert(false);
> +  }
> +
> +  TRACE_LEAVE();
> +  return rc;
> +}
> +
> +/**
> + * Name     : lgs_clm_node_add
> + * Description   : This routine adds the new node to clm_node_map.
> + * Arguments     : clm_node_id - CLM Node id
> + * Return Values : NCSCC_RC_SUCCESS/NCSCC_RC_FAILURE
> + * Notes    : None
> + */
> +static uint32_t lgs_clm_node_add(NODE_ID clm_node_id) {
> +  TRACE_ENTER();
> +  uint32_t rc;
> +  lgs_clm_node_t *clm_node;
> +
> +  clm_node = new lgs_clm_node_t();
> +
> +  clm_node->clm_node_id = clm_node_id;
> +
> +  ClmNodeMap *clmNodeMap(reinterpret_cast<ClmNodeMap *>
> +      (clm_node_db));
> +
> +  if (clmNodeMap) {
> +    std::pair<ClmNodeMap::iterator, bool> p(clmNodeMap->insert(
> +          std::make_pair(clm_node->clm_node_id, clm_node)));
> +
> +    if (!p.second) {
> +      TRACE("unable to add clm node info map - the id %x already
existed",
> +          clm_node->clm_node_id);
> +      rc = NCSCC_RC_FAILURE;
> +    }
> +  } else {
> +    TRACE("can't find local sec map in lgs_clm_node_add");
> +    rc = NCSCC_RC_FAILURE;
> +  }
> +  TRACE_LEAVE();
> +  return rc;
> +}
> +
> +/**
> + * Name     : lgs_clm_node_del
> + * Description   : Function to Delete the clm_node.
> + * Arguments     : clm_node_id - CLM Node id
> + * Return Values : NCSCC_RC_SUCCESS/NCSCC_RC_FAILURE
> + * Notes    : None.
> + */
> +static uint32_t lgs_clm_node_del(NODE_ID clm_node_id) {
> +  TRACE_ENTER();
> +  uint32_t rc;
> +  lgs_clm_node_t *clm_node;
> +
> +  ClmNodeMap *clmNodeMap(reinterpret_cast<ClmNodeMap *>
> +      (clm_node_db));
> +
> +  if (clmNodeMap) {
> +    auto it = (clmNodeMap->find(clm_node_id));
> +
> +    if (it != clmNodeMap->end()) {
> +      clm_node = it->second;
> +      clmNodeMap->erase(it);
> +      delete clm_node;
> +      rc = NCSCC_RC_SUCCESS;
> +    } else {
> +      TRACE("clm_node_id delete  failed : %x", clm_node_id);
> +      rc = NCSCC_RC_FAILURE;
> +    }
> +  } else {
> +    TRACE("clm_node_id delete to map not exist failed : %x",
clm_node_id);
> +    rc = NCSCC_RC_FAILURE;
> +  }
> +
> +  TRACE_LEAVE();
> +  return rc;
> +}
> +
> +/**
> + * @brief  Send Membership status of node to a lib on that node.
> + *
> + * @param SaClmClusterChangesT (CLM status of node)
> + * @param client_id
> + * @param mdsDest of client
> + *
> + * @return NCSCC_RC_SUCCESS/NCSCC_RC_FAILURE.
> + */
> +static uint32_t send_clm_node_status_lib(SaClmClusterChangesT
> clusterChange,
> +    unsigned int client_id, MDS_DEST mdsDest) {
> +  uint32_t rc;
> +  NCSMDS_INFO mds_info = {0};
> +  lgsv_msg_t msg;
> +  TRACE_ENTER();
> +  TRACE_3("change:%u, client_id: %u", clusterChange, client_id);
> +
> +  memset(&msg, 0, sizeof(lgsv_msg_t));
> +  msg.type = LGSV_LGS_CBK_MSG;
> +  msg.info.cbk_info.type = LGSV_CLM_NODE_STATUS_CALLBACK;
> +  msg.info.cbk_info.lgs_client_id = client_id;
> +  msg.info.cbk_info.inv = 0;
> +  msg.info.cbk_info.clm_node_status_cbk.clm_node_status =
> clusterChange;
> +
> +  mds_info.i_mds_hdl = lgs_cb->mds_hdl;
> +  mds_info.i_svc_id = NCSMDS_SVC_ID_LGS;
> +  mds_info.i_op = MDS_SEND;
> +  mds_info.info.svc_send.i_msg = &msg;
> +  mds_info.info.svc_send.i_to_svc = NCSMDS_SVC_ID_LGA;
> +  mds_info.info.svc_send.i_priority = MDS_SEND_PRIORITY_HIGH;
> +  mds_info.info.svc_send.i_sendtype = MDS_SENDTYPE_SND;
> +  mds_info.info.svc_send.info.snd.i_to_dest = mdsDest;
> +  rc = ncsmds_api(&mds_info);
> +  if (rc != NCSCC_RC_SUCCESS)
> +    LOG_NO("Failed (%u) to send of WRITE ack to: %" PRIx64, rc, mdsDest);
> +
> +  TRACE_LEAVE();
> +  return rc;
> +}
> +
> +/**
> + * @brief  Sends CLM membership status of the node to all the clients
> + *         on the node except A11 clients.
> + * @param  clusterChange (CLM membership status of node).
> + * @param  NCS clm_node_id.
> + * @return NCSCC_RC_SUCCESS/NCSCC_RC_FAILURE.
> + */
> +static uint32_t send_cluster_membership_msg_to_clients(
> +    SaClmClusterChangesT clusterChange, NODE_ID clm_node_id) {
> +  uint32_t rc = NCSCC_RC_SUCCESS;
> +  log_client_t *rp = NULL;
> +  uint32_t client_id_net;
> +
> +  TRACE_ENTER();
> +  TRACE_3("clm_node_id: %x, change:%u", clm_node_id, clusterChange);
> +
> +  rp = reinterpret_cast<log_client_t *>
> +    (ncs_patricia_tree_getnext(&lgs_cb->client_tree, NULL));
> +
> +  while (rp != NULL) {
> +    /** Store the client_id_net for get Next  */
> +    client_id_net = rp->client_id_net;
> +    NODE_ID tmp_clm_node_id = m_LGS_GET_NODE_ID_FROM_ADEST(rp-
> >mds_dest);
> +    //  Do not send to A11 client. Send only to specific Node
> +    if (tmp_clm_node_id == clm_node_id)
> +      rc = send_clm_node_status_lib(clusterChange, rp->client_id,
> +          rp->mds_dest);
> +
> +    rp = reinterpret_cast<log_client_t *>(ncs_patricia_tree_getnext(
> +          &lgs_cb->client_tree, reinterpret_cast<uint8_t
*>(&client_id_net)));
> +  }
> +
> +  TRACE_LEAVE();
> +  return rc;
> +}
> +
> +static uint32_t send_clm_node_status_change(SaClmClusterChangesT
> clusterChange,
> +    NODE_ID clm_node_id) {
> +  return (send_cluster_membership_msg_to_clients(clusterChange,
> clm_node_id));
> +}
> +
> +/**
> + * @brief  Checks CLM membership status of a client.
> + *         A.02.01 clients are always CLM member.
> + * @param  Client MDS_DEST
> + * @param  Client saf version.
> + * @return NCSCC_RC_SUCCESS/NCSCC_RC_FAILURE.
> + */
> +bool is_client_clm_member(NODE_ID clm_node_id, SaVersionT *ver) {
> +  //  Before CLM init all clients are clm member.
> +  if (is_clm_init() == false)
> +    return true;
> +
> +  TRACE("client Version: %d.%d.%d", ver->releaseCode,
> +      ver->majorVersion, ver->minorVersion);
> +  //  CLM integration is supported from A.02.02.
> +  //  So old clients A.02.01 are always clm member.
> +  if ((ver->releaseCode == LOG_RELEASE_CODE_0) &&
> +      (ver->majorVersion == LOG_MAJOR_VERSION_0) &&
> +      (ver->minorVersion == LOG_MINOR_VERSION_0))
> +    return true;
> +  /*
> +        It means CLM initialization is successful and this is atleast a
A.02.02
> client.
> +        So check CLM membership status of client's node.
> +   */
> +  if (lgs_clm_node_find(clm_node_id) != NCSCC_RC_SUCCESS)
> +    return false;
> +  else
> +    return true;
> +}
> +
> +/*
> + * @brief  CLM callback for tracking node membership status.
> + *     Depending upon the membership status (joining/leaving cluster)
> + *     of a node, LGS will add or remove node from its data base.
> + *     A node is added when it is part of the cluster and is removed
> + *     when it leaves the cluster membership. An update of status is
> + *     sent to the clients on that node. Based on this status LGA
> + *     will decide return code for different API calls.
> + *
> + */
> +static void lgs_clm_track_cbk(
> +    const SaClmClusterNotificationBufferT_4 *notificationBuffer,
> +    SaUint32T numberOfMembers, SaInvocationT invocation,
> +    const SaNameT *rootCauseEntity,
> +    const SaNtfCorrelationIdsT *correlationIds,
> +    SaClmChangeStepT step, SaTimeT timeSupervision,
> +    SaAisErrorT error) {
> +
> +  NODE_ID clm_node_id;
> +  SaClmClusterChangesT clusterChange;
> +  SaBoolT is_member;
> +  uint32_t i = 0;
> +
> +  TRACE_ENTER2("'%llu' '%u' '%u'", invocation, step, error);
> +  if (error != SA_AIS_OK) {
> +    TRACE_1("Error received in ClmTrackCallback");
> +    goto done;
> +  }
> +  clm_initialized = true;
> +
> +  for (i = 0; i < notificationBuffer->numberOfItems; i++) {
> +    switch (step) {
> +      case SA_CLM_CHANGE_COMPLETED:
> +        is_member =
notificationBuffer->notification[i].clusterNode.member;
> +        clm_node_id =
notificationBuffer->notification[i].clusterNode.nodeId;
> +        if (lgs_clm_node_find(clm_node_id) == NCSCC_RC_SUCCESS) {
> +          TRACE_1("'%x' is present in LGS db", clm_node_id);
> +          if (!is_member) {
> +            TRACE("CLM Node : %x Left the cluster", clm_node_id);
> +            clusterChange = SA_CLM_NODE_LEFT;
> +            if (lgs_clm_node_del(clm_node_id) == NCSCC_RC_SUCCESS) {
> +              if (lgs_cb->ha_state == SA_AMF_HA_ACTIVE)
> +                send_clm_node_status_change(clusterChange, clm_node_id);
> +            }
> +          }
> +        } else {
> +          TRACE_1("'%x' is not present in LGS db", clm_node_id);
> +          if (is_member) {
> +            TRACE("CLM Node : %x Joined the cluster", clm_node_id);
> +            clusterChange = SA_CLM_NODE_JOINED;
> +            if (lgs_clm_node_add(clm_node_id) == NCSCC_RC_SUCCESS) {
> +              if (lgs_cb->ha_state == SA_AMF_HA_ACTIVE)
> +                send_clm_node_status_change(clusterChange, clm_node_id);
> +            }
> +          }
> +        }
> +        break;
> +      default:
> +        break;
> +    }
> +  }
> +done:
> +  TRACE_LEAVE();
> +  return;
> +}
> +
> +/* saClmClusterTrackCallback */
> +static const SaClmCallbacksT_4 clm_callbacks = {
> +  0,
> +  lgs_clm_track_cbk
> +};
> +
> +/*
> + * @brief   Registers with the CLM service (B.04.01).
> + *
> + * @return  SaAisErrorT
> + */
> +void *lgs_clm_init_thread(void *cb) {
> +  static SaVersionT clmVersion = { 'B', 0x04, 0x01 };
> +  lgs_cb_t *_lgs_cb = reinterpret_cast<lgs_cb_t *> (cb);
> +  SaAisErrorT rc;
> +  TRACE_ENTER();
> +  rc = saClmInitialize_4(&_lgs_cb->clm_hdl, &clm_callbacks, &clmVersion);
> +  if (rc != SA_AIS_OK) {
> +    LOG_ER("saClmInitialize failed with error: %d", rc);
> +    TRACE_LEAVE();
> +    exit(EXIT_FAILURE);
> +  }
> +  rc = saClmSelectionObjectGet(_lgs_cb->clm_hdl, &lgs_cb-
> >clmSelectionObject);
> +  if (rc != SA_AIS_OK) {
> +    LOG_ER("saClmSelectionObjectGet failed with error: %d", rc);
> +    TRACE_LEAVE();
> +    exit(EXIT_FAILURE);
> +  }
> +
> +  /* TODO:subscribe for SA_TRACK_START_STEP also. */
> +  rc = saClmClusterTrack_4(_lgs_cb->clm_hdl,
> +      (SA_TRACK_CURRENT | SA_TRACK_CHANGES), NULL);
> +  if (rc != SA_AIS_OK) {
> +    LOG_ER("saClmClusterTrack failed with error: %d", rc);
> +    TRACE_LEAVE();
> +    exit(EXIT_FAILURE);
> +  }
> +  TRACE("CLM Initialization SUCCESS......");
> +  TRACE_LEAVE();
> +  return NULL;
> +}
> +
> +/*
> + * @brief  Creates a thread to initialize with CLM.
> + */
> +void lgs_init_with_clm(void) {
> +  pthread_t thread;
> +  pthread_attr_t attr;
> +  TRACE_ENTER();
> +
> +  pthread_attr_init(&attr);
> +  pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
> +
> +  if (pthread_create(&thread, &attr, lgs_clm_init_thread, lgs_cb) != 0) {
> +    LOG_ER("pthread_create FAILED: %s", strerror(errno));
> +    exit(EXIT_FAILURE);
> +  }
> +  pthread_attr_destroy(&attr);
> +  TRACE_LEAVE();
> +}
> diff --git a/osaf/services/saf/logsv/lgs/lgs_clm.h
> b/osaf/services/saf/logsv/lgs/lgs_clm.h
> new file mode 100644
> --- /dev/null
> +++ b/osaf/services/saf/logsv/lgs/lgs_clm.h
> @@ -0,0 +1,39 @@
> +/*      -*- OpenSAF -*-
> + *
> + * (C) Copyright 2016 The OpenSAF Foundation
> + *
> + * This program is distributed in the hope that it will be useful, but
> + * WITHOUT ANY WARRANTY; without even the implied warranty of
> MERCHANTABILITY
> + * or FITNESS FOR A PARTICULAR PURPOSE. This file and program are
> licensed
> + * under the GNU Lesser General Public License Version 2.1, February
1999.
> + * The complete license can be accessed from the following location:
> + * http://opensource.org/licenses/lgpl-license.php
> + * See the Copying file included with the OpenSAF distribution for full
> + * licensing terms.
> + *
> + * Author(s): Oracle
> + *
> + */
> +
> +#ifndef OSAF_SERVICES_SAF_LOGSV_LGS_LGS_CLM_H_
> +#define OSAF_SERVICES_SAF_LOGSV_LGS_LGS_CLM_H_
> +
> +#include <saClm.h>
> +#include <map>
> +#include <utility>
> +
> +#define m_LGS_GET_NODE_ID_FROM_ADEST(adest) (NODE_ID)
> ((uint64_t)adest >> 32)
> +
> +typedef struct {
> +        NODE_ID clm_node_id;
> +} lgs_clm_node_t;
> +
> +/*
> + * @brief  Creates a thread to initialize with CLM.
> + */
> +void lgs_init_with_clm(void);
> +bool is_client_clm_member(NODE_ID node_id, SaVersionT *ver);
> +uint32_t lgs_clm_node_map_init(lgs_cb_t *lgs_cb);
> +bool is_client_clm_member(NODE_ID node_id, SaVersionT *ver);
> +
> +#endif  // OSAF_SERVICES_SAF_LOGSV_LGS_LGS_CLM_H_
> diff --git a/osaf/services/saf/logsv/lgs/lgs_evt.cc
> b/osaf/services/saf/logsv/lgs/lgs_evt.cc
> --- a/osaf/services/saf/logsv/lgs/lgs_evt.cc
> +++ b/osaf/services/saf/logsv/lgs/lgs_evt.cc
> @@ -24,6 +24,7 @@
>  #include "lgs_recov.h"
>  #include "lgs_imm_gcfg.h"
>  #include "osaf_extended_name.h"
> +#include "lgs_clm.h"
> 
>  /* Macro to validate the version */
>  #define m_LOG_VER_IS_VALID(ver)   \
> @@ -582,6 +583,8 @@ uint32_t lgs_cb_init(lgs_cb_t *lgs_cb)
>       lgs_cb->amfSelectionObject = -1;
>       lgs_cb->immSelectionObject = -1;
>       lgs_cb->mbcsv_sel_obj = -1;
> +     lgs_cb->clm_hdl = 0;
> +     lgs_cb->clmSelectionObject = -1;
> 
>       /* Assign Version. Currently, hardcoded, This will change later */
>       lgs_cb->log_version.releaseCode = LOG_RELEASE_CODE;
> @@ -597,6 +600,12 @@ uint32_t lgs_cb_init(lgs_cb_t *lgs_cb)
>       if (NCSCC_RC_SUCCESS != ncs_patricia_tree_init(&lgs_cb-
> >client_tree, &reg_param))
>               return NCSCC_RC_FAILURE;
> 
> +     /* Initialize CLM Node map*/
> +     if (NCSCC_RC_SUCCESS != lgs_clm_node_map_init(lgs_cb)) {
> +             LOG_ER("LGS: ncs_patricia_tree_init FAILED");
> +             return NCSCC_RC_FAILURE;
> +     }
> +
>       done:
>       TRACE_LEAVE();
>       return rc;
> @@ -636,6 +645,12 @@ static uint32_t proc_initialize_msg(lgs_
>               goto snd_rsp;
>       }
> 
> +     if (is_client_clm_member(evt->fr_node_id, version) != true){
> +             ais_rc = SA_AIS_ERR_UNAVAILABLE;
> +             TRACE("client not a CLM member FAILED");
> +             goto snd_rsp;
> +     }
> +
>       if ((client = lgs_client_new(evt->fr_dest, 0, NULL)) == NULL) {
>               ais_rc = SA_AIS_ERR_NO_MEMORY;
>               goto snd_rsp;
> diff --git a/osaf/services/saf/logsv/lgs/lgs_main.cc
> b/osaf/services/saf/logsv/lgs/lgs_main.cc
> --- a/osaf/services/saf/logsv/lgs/lgs_main.cc
> +++ b/osaf/services/saf/logsv/lgs/lgs_main.cc
> @@ -38,6 +38,7 @@
>  #include "osaf_utility.h"
>  #include "lgs_recov.h"
>  #include "immutil.h"
> +#include "lgs_clm.h"
> 
>  /*
> ==============================================================
> ==========
>   *   DEFINITIONS
> @@ -49,6 +50,7 @@ enum {
>       FD_MBCSV,
>       FD_MBX,
>       FD_CLTIMER,
> +     FD_CLM,
>       FD_IMM,         /* Must be the last in the fds array */
>       FD_NUM
>  };
> @@ -332,6 +334,13 @@ static uint32_t log_initialize(void)
>               goto done;
>       }
> 
> +     /* Create a CLM selection object */
> +     if ((rc = ncs_sel_obj_create(&lgs_cb->clm_init_sel_obj)) !=
> NCSCC_RC_SUCCESS)
> +     {
> +             LOG_ER("lgsv: CLM ncs_sel_obj_create failed");
> +             goto done;
> +        }
> +
>       /*
>        * Initialize a signal handler that will use the selection object.
>        * The signal is sent from our script when AMF does instantiate.
> @@ -506,6 +515,8 @@ int main(int argc, char *argv[])
>       fds[FD_IMM].fd = lgs_cb->immSelectionObject;
>       fds[FD_IMM].events = POLLIN;
> 
> +     lgs_cb->clmSelectionObject = lgs_cb->clm_init_sel_obj.rmv_obj;
> +
>       while (1) {
>               if (cltimer_fd < 0 && log_rtobj_list_no() != 0) {
>                       /* Needed only if any "lost" objects are found
> @@ -518,6 +529,8 @@ int main(int argc, char *argv[])
>               fds[FD_CLTIMER].events = POLLIN;
>               fds[FD_MBCSV].fd = lgs_cb->mbcsv_sel_obj;
>               fds[FD_MBCSV].events = POLLIN;
> +             fds[FD_CLM].fd = lgs_cb->clmSelectionObject;
> +             fds[FD_CLM].events = POLLIN;
> 
>               /* Protect since the reinit thread may be in the process of
>                * changing the values
> @@ -572,6 +585,21 @@ int main(int argc, char *argv[])
>                       }
>               }
> 
> +             if (fds[FD_CLM].revents & POLLIN) {
> +                     if (lgs_cb->clm_hdl != 0) {
> +                             if ((error = saClmDispatch(lgs_cb->clm_hdl,
> SA_DISPATCH_ALL)) != SA_AIS_OK) {
> +                                     LOG_ER("saClmDispatch failed: %u",
> error);
> +                                     break;
> +                             }
> +                     } else {
> +                             TRACE("init CLM ");
> +                             ncs_sel_obj_rmv_ind(&lgs_cb-
> >clm_init_sel_obj, true, true);
> +                             ncs_sel_obj_destroy(&lgs_cb-
> >clm_init_sel_obj);
> +                             lgs_cb->clmSelectionObject = -1;
> +                             lgs_init_with_clm();
> +                     }
> +             }
> +
>               if (fds[FD_CLTIMER].revents & POLLIN) {
>                       /* To avoid 'stray objects', after a timeout all
> runtime
>                        * objects that has not been restored shall be
deleted
> diff --git a/osaf/services/saf/logsv/lgs/lgs_mds.cc
> b/osaf/services/saf/logsv/lgs/lgs_mds.cc
> --- a/osaf/services/saf/logsv/lgs/lgs_mds.cc
> +++ b/osaf/services/saf/logsv/lgs/lgs_mds.cc
> @@ -845,11 +845,19 @@ static uint32_t mds_enc(struct ncsmds_ca
>                               goto err;
>                       }
>                       ncs_encode_32bit(&p8, msg-
> >info.cbk_info.write_cbk.error);
> +                     TRACE_8("LGSV_WRITE_LOG_CALLBACK_IND");
> +             } else if (msg->info.cbk_info.type ==
> LGSV_CLM_NODE_STATUS_CALLBACK) {
> +                     p8 = ncs_enc_reserve_space(uba, 4);
> +                     if (!p8) {
> +                             TRACE("ncs_enc_reserve_space failed");
> +                             goto err;
> +                     }
> +                     ncs_encode_32bit(&p8, msg-
> >info.cbk_info.clm_node_status_cbk.clm_node_status);
> +                     TRACE_8("LGSV_CLM_NODE_STATUS_CALLBACK");
>               } else {
>                       TRACE("unknown callback type %d", msg-
> >info.cbk_info.type);
>                       goto err;
>               }
> -             TRACE_8("LGSV_WRITE_LOG_CALLBACK_IND");
>       } else {
>               TRACE("unknown msg type %d", msg->type);
>               goto err;
> @@ -1249,6 +1257,16 @@ static uint32_t mds_svc_event(struct ncs
>                               osafassert(rc == NCSCC_RC_SUCCESS);
>                       }
>               }
> +     } else if (info->info.svc_evt.i_svc_id == NCSMDS_SVC_ID_AVD) {
> +             if (info->info.svc_evt.i_change == NCSMDS_UP) {
> +                     TRACE_8("MDS UP dest: %" PRIx64 ", node ID: %x,
> svc_id: %d",
> +                                     info->info.svc_evt.i_dest, info-
> >info.svc_evt.i_node_id, info->info.svc_evt.i_svc_id);
> +                     //Subscribed for only INTRA NODE, only one ADEST
> will come.
> +                     if (m_MDS_DEST_IS_AN_ADEST(info-
> >info.svc_evt.i_dest)) {
> +                             TRACE_8("AVD ADEST UP");
> +                             ncs_sel_obj_ind(&lgs_cb->clm_init_sel_obj);
> +                     }
> +             }
>       }
> 
>   done:
> @@ -1416,6 +1434,24 @@ uint32_t lgs_mds_init(lgs_cb_t *cb, SaAm
>               return rc;
>       }
> 
> +
> +     svc = NCSMDS_SVC_ID_AVD;
> +        /* Now subscribe for AVD events in MDS. This will be
> +           used for CLM registration.*/
> +        memset(&mds_info, '\0', sizeof(NCSMDS_INFO));
> +        mds_info.i_mds_hdl = cb->mds_hdl;
> +        mds_info.i_svc_id = NCSMDS_SVC_ID_LGS;
> +        mds_info.i_op = MDS_SUBSCRIBE;
> +        mds_info.info.svc_subscribe.i_scope = NCSMDS_SCOPE_INTRANODE;
> +        mds_info.info.svc_subscribe.i_num_svcs = 1;
> +        mds_info.info.svc_subscribe.i_svc_ids = &svc;
> +
> +        rc = ncsmds_api(&mds_info);
> +        if (rc != NCSCC_RC_SUCCESS) {
> +                LOG_ER("MDS for AVD subscribe FAILED");
> +                return rc;
> +        }
> +
>       TRACE_LEAVE();
>       return rc;
>  }


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