int
getStatus(){
int retries = 0;
struct ndb_mgm_cluster_state * status;
struct ndb_mgm_node_state * node;
ndbNodes.clear();
while(retries < 10){
status = ndb_mgm_get_status(handle);
if (status == NULL){
ndbout << "status==NULL, retries="<<retries<<endl;
MGMERR(handle);
retries++;
ndb_mgm_disconnect(handle);
if (ndb_mgm_connect(handle,0,0,1)) {
MGMERR(handle);
g_err << "Reconnect failed" << endl;
break;
}
continue;
}
int count = status->no_of_nodes;
for (int i = 0; i < count; i++){
node = &status->node_states[i];
switch(node->node_type){
case NDB_MGM_NODE_TYPE_NDB:
if (!nowait_nodes_bitmask.get(node->node_id))
ndbNodes.push_back(*node);
break;
case NDB_MGM_NODE_TYPE_MGM:
/* Don't care about MGM nodes */
break;
case NDB_MGM_NODE_TYPE_API:
/* Don't care about API nodes */
break;
default:
if(node->node_status == NDB_MGM_NODE_STATUS_UNKNOWN ||
node->node_status == NDB_MGM_NODE_STATUS_NO_CONTACT){
retries++;
ndbNodes.clear();
free(status);
status = NULL;
count = 0;
ndbout << "kalle"<< endl;
break;
}
abort();
break;
}
}
if(status == 0){
ndbout << "status == 0" << endl;
continue;
}
free(status);
return 0;
}
return -1;
}
static int
waitClusterStatus(const char* _addr,
ndb_mgm_node_status _status)
{
int _startphase = -1;
#ifndef NDB_WIN
/* Ignore SIGPIPE */
signal(SIGPIPE, SIG_IGN);
#endif
handle = ndb_mgm_create_handle();
if (handle == NULL){
g_err << "Could not create ndb_mgm handle" << endl;
return -1;
}
g_info << "Connecting to mgmsrv at " << _addr << endl;
if (ndb_mgm_set_connectstring(handle, _addr))
{
MGMERR(handle);
g_err << "Connectstring " << _addr << " invalid" << endl;
return -1;
}
if (ndb_mgm_connect(handle,0,0,1)) {
MGMERR(handle);
g_err << "Connection to " << _addr << " failed" << endl;
return -1;
}
int attempts = 0;
int resetAttempts = 0;
const int MAX_RESET_ATTEMPTS = 10;
bool allInState = false;
Uint64 time_now = NdbTick_CurrentMillisecond();
Uint64 timeout_time = time_now + 1000 * _timeout;
while (allInState == false){
if (_timeout > 0 && time_now > timeout_time){
/**
* Timeout has expired waiting for the nodes to enter
* the state we want
*/
bool waitMore = false;
/**
* Make special check if we are waiting for
* cluster to become started
*/
if(_status == NDB_MGM_NODE_STATUS_STARTED){
waitMore = true;
/**
* First check if any node is not starting
* then it's no idea to wait anymore
*/
for (size_t n = 0; n < ndbNodes.size(); n++){
if (ndbNodes[n].node_status != NDB_MGM_NODE_STATUS_STARTED &&
ndbNodes[n].node_status != NDB_MGM_NODE_STATUS_STARTING)
waitMore = false;
}
}
if (!waitMore || resetAttempts > MAX_RESET_ATTEMPTS){
g_err << "waitNodeState("
<< ndb_mgm_get_node_status_string(_status)
<<", "<<_startphase<<")"
<< " timeout after " << attempts << " attempts" << endl;
return -1;
}
g_err << "waitNodeState("
<< ndb_mgm_get_node_status_string(_status)
<<", "<<_startphase<<")"
<< " resetting timeout "
<< resetAttempts << endl;
timeout_time = time_now + 1000 * _timeout;
resetAttempts++;
}
if (attempts > 0)
NdbSleep_MilliSleep(100);
if (getStatus() != 0){
return -1;
}
/* Assume all nodes are in state(if there is any) */
allInState = (ndbNodes.size() > 0);
/* Loop through all nodes and check their state */
for (size_t n = 0; n < ndbNodes.size(); n++) {
ndb_mgm_node_state* ndbNode = &ndbNodes[n];
assert(ndbNode != NULL);
g_info << "Node " << ndbNode->node_id << ": "
<< ndb_mgm_get_node_status_string(ndbNode->node_status)<< endl;
if (ndbNode->node_status != _status)
allInState = false;
}
if (!allInState) {
char time[9];
g_info << "[" << getTimeAsString(time) << "] "
<< "Waiting for cluster enter state "
<< ndb_mgm_get_node_status_string(_status) << endl;
}
attempts++;
time_now = NdbTick_CurrentMillisecond();
}
return 0;
}
int
main(int argc, char** argv)
{
NDB_INIT(argv[0]);
const char *load_default_groups[]= { "mysql_cluster",0 };
ndb_load_defaults(NULL,load_default_groups,&argc,&argv);
int ho_error;
#ifndef DBUG_OFF
opt_debug= "d:t:O,/tmp/eventlog.trace";
#endif
#ifndef _WIN32
// Catching signal to allow testing of EINTR safeness
// with "while killall -USR1 eventlog; do true; done"
signal(SIGUSR1, catch_signal);
#endif
if ((ho_error=handle_options(&argc, &argv, my_long_options,
ndb_std_get_one_option)))
return NDBT_ProgramExit(NDBT_WRONGARGS);
NdbMgmHandle handle= ndb_mgm_create_handle();
ndb_mgm_set_connectstring(handle, opt_ndb_connectstring);
while (true)
{
if (ndb_mgm_connect(handle,0,0,0) == -1)
{
ndbout_c("Failed to connect");
exit(0);
}
NdbLogEventHandle le = ndb_mgm_create_logevent_handle(handle, filter);
if (le == 0)
{
ndbout_c("Failed to create logevent handle");
exit(0);
}
struct ndb_logevent event;
while (true)
{
int r= ndb_logevent_get_next(le, &event,5000);
if (r < 0)
{
ndbout_c("Error while getting next event");
break;
}
if (r == 0)
{
continue;
}
ndbout_c("Got event: %d", event.type);
}
ndb_mgm_destroy_logevent_handle(&le);
ndb_mgm_disconnect(handle);
}
return 0;
}
