void
saftest_daemon_handle_selection_object_request(
saftest_map_table_entry_t *map_entry,
saftest_msg_t *request,
saftest_msg_t **reply)
{
clm_session_t *clm_session = NULL;
SaSelectionObjectT *selection_object = NULL;
SaAisErrorT status;
saftest_log("Received a select object get request for id %d\n",
saftest_msg_get_ubit32_value(request, "CLM_SESSION_ID"));
clm_session = lookup_clm_session_from_request(request);
if (0 == strcmp("FALSE",
saftest_msg_get_str_value(request,
"NULL_SELECTION_OBJECT"))) {
selection_object = &clm_session->selection_object;
}
status = saClmSelectionObjectGet(clm_session->clm_handle, selection_object);
(*reply) = saftest_reply_msg_create(request, map_entry->reply_op, status);
}
int main(int argc, char* argv[])
{
/* Use syslog for logging (/var/log/messages) */
openlog(basename(argv[0]), LOG_PID, LOG_USER);
//setenv("CLMSV_TRACE_PATHNAME","/tmp/clma.log",1); //only work if export before run this program
SaAisErrorT rc;
SaClmHandleT clmHandle;
SaClmCallbacksT_4 clmCallbacks = { 0 };
SaVersionT version = { 'B', 4, 1 };
clmCallbacks.saClmClusterTrackCallback = clmClusterTrackCallback;
rc = saClmInitialize_4(&clmHandle, &clmCallbacks, &version);
if (rc != SA_AIS_OK) {
syslog(LOG_ERR,"saClmInitialize_4 FAILED %u", rc);
return 1;
}
SaSelectionObjectT clmFd;
rc = saClmSelectionObjectGet(clmHandle, &clmFd);
if (rc != SA_AIS_OK) {
syslog(LOG_ERR,"saClmSelectionObjectGet FAILED %u", rc);
return 1;
}
int clusterSize = 4;
size_t sizeOfNotificationBuffer = (clusterSize * sizeof(SaClmClusterNotificationT_4));
SaClmClusterNotificationBufferT_4 clmlusterNotificationBuffer;
clmlusterNotificationBuffer.viewNumber = 0;
clmlusterNotificationBuffer.numberOfItems = clusterSize;
clmlusterNotificationBuffer.notification = (SaClmClusterNotificationT_4*) calloc(1, sizeOfNotificationBuffer);
if (clmlusterNotificationBuffer.notification == NULL) {
syslog(LOG_ERR,"FAILED to allocate resources");
return 1;
}
SaUint8T trackFlags = SA_TRACK_CURRENT | SA_TRACK_CHANGES | SA_TRACK_START_STEP; //SA_TRACK_VALIDATE_STEP is supported with PLM only
rc = saClmClusterTrack_4(clmHandle, trackFlags, &clmlusterNotificationBuffer);
if (rc != SA_AIS_OK) {
syslog(LOG_ERR,"saClmClusterTrack_4 FAILED %u", rc);
if (rc == SA_AIS_ERR_NO_SPACE) {
syslog(LOG_ERR,"rc = SA_AIS_ERR_NO_SPACE, numberOfItems = %d", clmlusterNotificationBuffer.numberOfItems);
}
free(clmlusterNotificationBuffer.notification);
clmlusterNotificationBuffer.notification = NULL;
return 1;
}
struct pollfd fds;
fds.fd = clmFd;
fds.events = POLLIN;
while(1){
int res = poll(&fds, 1, -1);
if (res == -1) {
if (errno == EINTR)
continue;
else {
syslog(LOG_ERR,"poll FAILED - %s", strerror(errno));
return 1;
}
}
if (fds.revents & POLLIN) {
syslog(LOG_INFO,"========= CLM event ===========");
rc = saClmDispatch(clmHandle, SA_DISPATCH_ONE);
if (SA_AIS_OK != rc) {
syslog(LOG_ERR,"saClmDispatch FAILED %u", rc);
return 1;
}
}
}
}
int main(void)
{
SaSelectionObjectT st;
SaErrorT ret;
SaClmNodeIdT nid;
SaClmCallbacksT my_callbacks = {
.saClmClusterTrackCallback
= (SaClmClusterTrackCallbackT)track_callback,
.saClmClusterNodeGetCallback
= (SaClmClusterNodeGetCallbackT)getnode_callback
};
if ((ret = saClmInitialize(&hd, &my_callbacks, NULL)) != SA_OK) {
fprintf(stderr, "saClmInitialize error, errno [%d]\n",ret);
return 1;
}
if ((ret = saClmSelectionObjectGet(&hd, &st)) != SA_OK) {
fprintf(stderr, "saClmSelectionObjectGet error, errno [%d]\n"
, ret);
return 1;
}
nid = 0;
/* Synchronously get nodeId information */
printf("-------------------------------------------------\n");
printf("Get nodeId [%lu] info by SaClmClusterNodeGet\n", nid);
if ((ret = saClmClusterNodeGet(nid, 10, &cn)) != SA_OK) {
if (ret == SA_ERR_INVALID_PARAM) {
fprintf(stderr, "NodeId [%lu] record not found!\n",nid);
} else {
fprintf(stderr
, "saClmClusterNodeGet error, errno [%d]\n"
, ret);
return 1;
}
} else {
dump_nodeinfo(&cn);
}
/* Asynchronously get my nodeId information */
nid = 1;
printf("-------------------------------------------------\n");
printf("Get nodeId [%lu] info by SaClmClusterNodeGetAsync\n", nid);
if ((ret = saClmClusterNodeGetAsync(&hd, 1234, nid, &cn)) != SA_OK) {
if (ret == SA_ERR_INVALID_PARAM) {
fprintf(stderr, "NodeId [%lu] record not found!\n",nid);
} else {
fprintf(stderr
, "saClmClusterNodeGet error, errno [%d]\n"
, ret);
return 1;
}
}
/* Start to track cluster membership changes events */
track_start(SIGUSR1);
signal(SIGUSR2, &track_stop);
for (;;) {
fd_set rset;
FD_ZERO(&rset);
FD_SET(st, &rset);
if (select(st + 1, &rset, NULL, NULL, NULL) == -1) {
/* TODO should we use pselect here? */
if (errno == EINTR)
continue;
else {
perror("select");
return 1;
}
}
if ((ret = saClmDispatch(&hd, SA_DISPATCH_ALL)) != SA_OK) {
if (ret == SA_ERR_LIBRARY) {
fprintf(stderr, "I am evicted!\n");
return 1;
}
fprintf(stderr, "saClmDispatch error, errno [%d]\n"
, ret);
return 1;
}
}
return 0;
}
