Uint32
ConfigRetriever::allocNodeId(int no_retries, int retry_delay_in_seconds)
{
int res;
_ownNodeId= 0;
if(m_handle != 0)
{
while (1)
{
if(!ndb_mgm_is_connected(m_handle))
if(!ndb_mgm_connect(m_handle, 0, 0, 0))
goto next;
res= ndb_mgm_alloc_nodeid(m_handle, m_version, m_node_type,
no_retries == 0 /* only log last retry */);
if(res >= 0)
return _ownNodeId= (Uint32)res;
next:
int error = ndb_mgm_get_latest_error(m_handle);
if (no_retries == 0 || error == NDB_MGM_ALLOCID_CONFIG_MISMATCH)
break;
no_retries--;
NdbSleep_SecSleep(retry_delay_in_seconds);
}
BaseString tmp(ndb_mgm_get_latest_error_msg(m_handle));
tmp.append(" : ");
tmp.append(ndb_mgm_get_latest_error_desc(m_handle));
setError(CR_ERROR, tmp.c_str());
} else
setError(CR_ERROR, "management server handle not initialized");
return 0;
}
bool is_connected(void) {
if (!m_handle){
error("is_connected: no handle");
return false;
}
if (!ndb_mgm_is_connected(m_handle)){
error("is_connected: not connected");
return false;
}
return true;
}
ConfigRetriever::~ConfigRetriever()
{
DBUG_ENTER("ConfigRetriever::~ConfigRetriever");
if (m_handle) {
if (ndb_mgm_is_connected(m_handle)) {
if(m_end_session)
ndb_mgm_end_session(m_handle);
ndb_mgm_disconnect(m_handle);
}
ndb_mgm_destroy_handle(&m_handle);
}
DBUG_VOID_RETURN;
}
int main()
{
NdbMgmHandle handle= ndb_mgm_create_handle();
while(1==1){
if (ndb_mgm_connect(handle,0,0,0) == -1){
printf("connect failed, error: '%d: %s'\n",
ndb_mgm_get_latest_error(handle),
ndb_mgm_get_latest_error_desc(handle));
sleep(1);
continue;
}
while(ndb_mgm_is_connected(handle) != 0){
struct ndb_mgm_cluster_state *state= ndb_mgm_get_status(handle);
if(state==NULL){
printf("ndb_mgm_get_status failed, error: '%d: %s', line: %d\n",
ndb_mgm_get_latest_error(handle),
ndb_mgm_get_latest_error_desc(handle),
ndb_mgm_get_latest_error_line(handle));
continue;
}
int i= 0;
for(i=0; i < state->no_of_nodes; i++)
{
struct ndb_mgm_node_state *node_state= &state->node_states[i];
printf("node with ID=%d ", node_state->node_id);
if(node_state->version != 0)
printf("connected\n");
else
printf("not connected\n");
}
free((void*)state);
}
}
ndb_mgm_destroy_handle(&handle);
return 1;
}
// run as own thread
void
TransporterRegistry::start_clients_thread()
{
int persist_mgm_count= 0;
DBUG_ENTER("TransporterRegistry::start_clients_thread");
while (m_run_start_clients_thread) {
NdbSleep_MilliSleep(100);
persist_mgm_count++;
if(persist_mgm_count==50)
{
ndb_mgm_check_connection(m_mgm_handle);
persist_mgm_count= 0;
}
for (int i= 0, n= 0; n < nTransporters && m_run_start_clients_thread; i++){
Transporter * t = theTransporters[i];
if (!t)
continue;
n++;
const NodeId nodeId = t->getRemoteNodeId();
switch(performStates[nodeId]){
case CONNECTING:
if(!t->isConnected() && !t->isServer) {
bool connected= false;
/**
* First, we try to connect (if we have a port number).
*/
if (t->get_s_port())
connected= t->connect_client();
/**
* If dynamic, get the port for connecting from the management server
*/
if( !connected && t->get_s_port() <= 0) { // Port is dynamic
int server_port= 0;
struct ndb_mgm_reply mgm_reply;
if(!ndb_mgm_is_connected(m_mgm_handle))
ndb_mgm_connect(m_mgm_handle, 0, 0, 0);
if(ndb_mgm_is_connected(m_mgm_handle))
{
int res=
ndb_mgm_get_connection_int_parameter(m_mgm_handle,
t->getRemoteNodeId(),
t->getLocalNodeId(),
CFG_CONNECTION_SERVER_PORT,
&server_port,
&mgm_reply);
DBUG_PRINT("info",("Got dynamic port %d for %d -> %d (ret: %d)",
server_port,t->getRemoteNodeId(),
t->getLocalNodeId(),res));
if( res >= 0 )
{
/**
* Server_port == 0 just means that that a mgmt server
* has not received a new port yet. Keep the old.
*/
if (server_port)
t->set_s_port(server_port);
}
else if(ndb_mgm_is_connected(m_mgm_handle))
{
g_eventLogger.info("Failed to get dynamic port to connect to: %d", res);
ndb_mgm_disconnect(m_mgm_handle);
}
else
{
g_eventLogger.info("Management server closed connection early. "
"It is probably being shut down (or has problems). "
"We will retry the connection. %d %s %s line: %d",
ndb_mgm_get_latest_error(m_mgm_handle),
ndb_mgm_get_latest_error_desc(m_mgm_handle),
ndb_mgm_get_latest_error_msg(m_mgm_handle),
ndb_mgm_get_latest_error_line(m_mgm_handle)
);
}
}
/** else
* We will not be able to get a new port unless
* the m_mgm_handle is connected. Note that not
* being connected is an ok state, just continue
* until it is able to connect. Continue using the
* old port until we can connect again and get a
* new port.
*/
}
}
break;
case DISCONNECTING:
if(t->isConnected())
t->doDisconnect();
break;
default:
break;
}
}
}
DBUG_VOID_RETURN;
}
int runTestMgmApiStructEventTimeout(NDBT_Context* ctx, NDBT_Step* step)
{
char *mgm= ctx->getRemoteMgm();
int result= NDBT_OK;
int mgmd_nodeid= 0;
NdbMgmHandle h;
h= ndb_mgm_create_handle();
ndb_mgm_set_connectstring(h, mgm);
int errs[] = { 10000, 0, -1 };
for(int error_ins_no=0; errs[error_ins_no]!=-1; error_ins_no++)
{
int error_ins= errs[error_ins_no];
ndb_mgm_connect(h,0,0,0);
if(ndb_mgm_check_connection(h) < 0)
{
result= NDBT_FAILED;
goto done;
}
mgmd_nodeid= ndb_mgm_get_mgmd_nodeid(h);
if(mgmd_nodeid==0)
{
ndbout << "Failed to get mgmd node id to insert error" << endl;
result= NDBT_FAILED;
goto done;
}
ndb_mgm_reply reply;
reply.return_code= 0;
if(ndb_mgm_insert_error(h, mgmd_nodeid, error_ins, &reply)< 0)
{
ndbout << "failed to insert error " << error_ins << endl;
result= NDBT_FAILED;
}
ndbout << "trying error: " << error_ins << endl;
ndb_mgm_set_timeout(h,2500);
int filter[] = { 15, NDB_MGM_EVENT_CATEGORY_BACKUP,
1, NDB_MGM_EVENT_CATEGORY_STARTUP,
0 };
NdbLogEventHandle le_handle= ndb_mgm_create_logevent_handle(h, filter);
struct ndb_logevent le;
for(int i=0; i<20; i++)
{
if(error_ins==0 || (error_ins!=0 && i<5))
{
Uint32 theData[25];
EventReport *fake_event = (EventReport*)theData;
fake_event->setEventType(NDB_LE_NDBStopForced);
fake_event->setNodeId(42);
theData[2]= 0;
theData[3]= 0;
theData[4]= 0;
theData[5]= 0;
ndb_mgm_report_event(h, theData, 6);
}
int r= ndb_logevent_get_next(le_handle, &le, 2500);
if(r>0)
{
ndbout << "Receieved event" << endl;
}
else if(r<0)
{
ndbout << "ERROR" << endl;
}
else // no event
{
ndbout << "TIMED OUT READING EVENT at iteration " << i << endl;
if(error_ins==0)
result= NDBT_FAILED;
else
result= NDBT_OK;
break;
}
}
/*
* events go through a *DIFFERENT* socket than the NdbMgmHandle
* so we should still be connected (and be able to check_connection)
*
*/
if(ndb_mgm_check_connection(h) && !ndb_mgm_is_connected(h))
{
ndbout << "FAILED: is still connected after error" << endl;
result= NDBT_FAILED;
}
ndb_mgm_disconnect(h);
}
done:
ndb_mgm_disconnect(h);
ndb_mgm_destroy_handle(&h);
return result;
}
int runTestMgmApiEventTimeout(NDBT_Context* ctx, NDBT_Step* step)
{
char *mgm= ctx->getRemoteMgm();
int result= NDBT_OK;
int mgmd_nodeid= 0;
NdbMgmHandle h;
h= ndb_mgm_create_handle();
ndb_mgm_set_connectstring(h, mgm);
int errs[] = { 10000, 0, -1 };
for(int error_ins_no=0; errs[error_ins_no]!=-1; error_ins_no++)
{
int error_ins= errs[error_ins_no];
ndb_mgm_connect(h,0,0,0);
if(ndb_mgm_check_connection(h) < 0)
{
result= NDBT_FAILED;
goto done;
}
mgmd_nodeid= ndb_mgm_get_mgmd_nodeid(h);
if(mgmd_nodeid==0)
{
ndbout << "Failed to get mgmd node id to insert error" << endl;
result= NDBT_FAILED;
goto done;
}
ndb_mgm_reply reply;
reply.return_code= 0;
if(ndb_mgm_insert_error(h, mgmd_nodeid, error_ins, &reply)< 0)
{
ndbout << "failed to insert error " << error_ins << endl;
result= NDBT_FAILED;
}
ndbout << "trying error: " << error_ins << endl;
ndb_mgm_set_timeout(h,2500);
int filter[] = { 15, NDB_MGM_EVENT_CATEGORY_BACKUP,
1, NDB_MGM_EVENT_CATEGORY_STARTUP,
0 };
int fd= ndb_mgm_listen_event(h, filter);
if(fd==NDB_INVALID_SOCKET)
{
ndbout << "FAILED: could not listen to event" << endl;
result= NDBT_FAILED;
}
Uint32 theData[25];
EventReport *fake_event = (EventReport*)theData;
fake_event->setEventType(NDB_LE_NDBStopForced);
fake_event->setNodeId(42);
theData[2]= 0;
theData[3]= 0;
theData[4]= 0;
theData[5]= 0;
ndb_mgm_report_event(h, theData, 6);
char *tmp= 0;
char buf[512];
SocketInputStream in(fd,2000);
for(int i=0; i<20; i++)
{
if((tmp = in.gets(buf, sizeof(buf))))
{
// const char ping_token[]="<PING>";
// if(memcmp(ping_token,tmp,sizeof(ping_token)-1))
if(tmp && strlen(tmp))
ndbout << tmp;
}
else
{
if(in.timedout())
{
ndbout << "TIMED OUT READING EVENT at iteration " << i << endl;
break;
}
}
}
/*
* events go through a *DIFFERENT* socket than the NdbMgmHandle
* so we should still be connected (and be able to check_connection)
*
*/
if(ndb_mgm_check_connection(h) && !ndb_mgm_is_connected(h))
{
ndbout << "FAILED: is still connected after error" << endl;
result= NDBT_FAILED;
}
ndb_mgm_disconnect(h);
}
done:
ndb_mgm_disconnect(h);
ndb_mgm_destroy_handle(&h);
return result;
}
int runTestMgmApiGetConfigTimeout(NDBT_Context* ctx, NDBT_Step* step)
{
char *mgm= ctx->getRemoteMgm();
int result= NDBT_OK;
int mgmd_nodeid= 0;
NdbMgmHandle h;
h= ndb_mgm_create_handle();
ndb_mgm_set_connectstring(h, mgm);
int errs[] = { 0, 1, 2, 3, -1 };
for(int error_ins_no=0; errs[error_ins_no]!=-1; error_ins_no++)
{
int error_ins= errs[error_ins_no];
ndb_mgm_connect(h,0,0,0);
if(ndb_mgm_check_connection(h) < 0)
{
result= NDBT_FAILED;
goto done;
}
mgmd_nodeid= ndb_mgm_get_mgmd_nodeid(h);
if(mgmd_nodeid==0)
{
ndbout << "Failed to get mgmd node id to insert error" << endl;
result= NDBT_FAILED;
goto done;
}
ndb_mgm_reply reply;
reply.return_code= 0;
if(ndb_mgm_insert_error(h, mgmd_nodeid, error_ins, &reply)< 0)
{
ndbout << "failed to insert error " << error_ins << endl;
result= NDBT_FAILED;
}
ndbout << "trying error: " << error_ins << endl;
ndb_mgm_set_timeout(h,2500);
struct ndb_mgm_configuration *c= ndb_mgm_get_configuration(h,0);
if(c!=NULL)
free(c);
if(error_ins!=0 && c!=NULL)
{
ndbout << "FAILED: got a ndb_mgm_configuration back" << endl;
result= NDBT_FAILED;
}
if(error_ins!=0 && ndb_mgm_is_connected(h))
{
ndbout << "FAILED: is still connected after error" << endl;
result= NDBT_FAILED;
}
if(error_ins!=0 && ndb_mgm_get_latest_error(h)!=ETIMEDOUT)
{
ndbout << "FAILED: Incorrect error code (" << ndb_mgm_get_latest_error(h)
<< " != expected " << ETIMEDOUT << ") desc: "
<< ndb_mgm_get_latest_error_desc(h)
<< " line: " << ndb_mgm_get_latest_error_line(h)
<< " msg: " << ndb_mgm_get_latest_error_msg(h)
<< endl;
result= NDBT_FAILED;
}
}
done:
ndb_mgm_disconnect(h);
ndb_mgm_destroy_handle(&h);
return result;
}
int runTestApiGetStatusTimeout(NDBT_Context* ctx, NDBT_Step* step)
{
char *mgm= ctx->getRemoteMgm();
int result= NDBT_OK;
int cc= 0;
int mgmd_nodeid= 0;
NdbMgmHandle h;
h= ndb_mgm_create_handle();
ndb_mgm_set_connectstring(h, mgm);
int errs[] = { 0, 5, 6, 7, 8, 9, -1 };
for(int error_ins_no=0; errs[error_ins_no]!=-1; error_ins_no++)
{
int error_ins= errs[error_ins_no];
ndb_mgm_connect(h,0,0,0);
if(ndb_mgm_check_connection(h) < 0)
{
result= NDBT_FAILED;
goto done;
}
mgmd_nodeid= ndb_mgm_get_mgmd_nodeid(h);
if(mgmd_nodeid==0)
{
ndbout << "Failed to get mgmd node id to insert error" << endl;
result= NDBT_FAILED;
goto done;
}
ndb_mgm_reply reply;
reply.return_code= 0;
if(ndb_mgm_insert_error(h, mgmd_nodeid, error_ins, &reply)< 0)
{
ndbout << "failed to insert error " << error_ins << endl;
result= NDBT_FAILED;
}
ndbout << "trying error: " << error_ins << endl;
ndb_mgm_set_timeout(h,2500);
struct ndb_mgm_cluster_state *cl= ndb_mgm_get_status(h);
if(cl!=NULL)
free(cl);
/*
* For whatever strange reason,
* get_status is okay with not having the last enter there.
* instead of "fixing" the api, let's have a special case
* so we don't break any behaviour
*/
if(error_ins!=0 && error_ins!=9 && cl!=NULL)
{
ndbout << "FAILED: got a ndb_mgm_cluster_state back" << endl;
result= NDBT_FAILED;
}
if(error_ins!=0 && error_ins!=9 && ndb_mgm_is_connected(h))
{
ndbout << "FAILED: is still connected after error" << endl;
result= NDBT_FAILED;
}
if(error_ins!=0 && error_ins!=9 && ndb_mgm_get_latest_error(h)!=ETIMEDOUT)
{
ndbout << "FAILED: Incorrect error code (" << ndb_mgm_get_latest_error(h)
<< " != expected " << ETIMEDOUT << ") desc: "
<< ndb_mgm_get_latest_error_desc(h)
<< " line: " << ndb_mgm_get_latest_error_line(h)
<< " msg: " << ndb_mgm_get_latest_error_msg(h)
<< endl;
result= NDBT_FAILED;
}
}
done:
ndb_mgm_disconnect(h);
ndb_mgm_destroy_handle(&h);
return result;
}
int runTestApiTimeoutBasic(NDBT_Context* ctx, NDBT_Step* step)
{
char *mgm= ctx->getRemoteMgm();
int result= NDBT_FAILED;
int cc= 0;
int mgmd_nodeid= 0;
ndb_mgm_reply reply;
NdbMgmHandle h;
h= ndb_mgm_create_handle();
ndb_mgm_set_connectstring(h, mgm);
ndbout << "TEST timout check_connection" << endl;
int errs[] = { 1, 2, 3, -1};
for(int error_ins_no=0; errs[error_ins_no]!=-1; error_ins_no++)
{
int error_ins= errs[error_ins_no];
ndbout << "trying error " << error_ins << endl;
ndb_mgm_connect(h,0,0,0);
if(ndb_mgm_check_connection(h) < 0)
{
result= NDBT_FAILED;
goto done;
}
mgmd_nodeid= ndb_mgm_get_mgmd_nodeid(h);
if(mgmd_nodeid==0)
{
ndbout << "Failed to get mgmd node id to insert error" << endl;
result= NDBT_FAILED;
goto done;
}
reply.return_code= 0;
if(ndb_mgm_insert_error(h, mgmd_nodeid, error_ins, &reply)< 0)
{
ndbout << "failed to insert error " << endl;
result= NDBT_FAILED;
goto done;
}
ndb_mgm_set_timeout(h,2500);
cc= ndb_mgm_check_connection(h);
if(cc < 0)
result= NDBT_OK;
else
result= NDBT_FAILED;
if(ndb_mgm_is_connected(h))
{
ndbout << "FAILED: still connected" << endl;
result= NDBT_FAILED;
}
}
ndbout << "TEST get_mgmd_nodeid" << endl;
ndb_mgm_connect(h,0,0,0);
if(ndb_mgm_insert_error(h, mgmd_nodeid, 0, &reply)< 0)
{
ndbout << "failed to remove inserted error " << endl;
result= NDBT_FAILED;
goto done;
}
cc= ndb_mgm_get_mgmd_nodeid(h);
ndbout << "got node id: " << cc << endl;
if(cc==0)
{
ndbout << "FAILED: didn't get node id" << endl;
result= NDBT_FAILED;
}
else
result= NDBT_OK;
ndbout << "TEST end_session" << endl;
ndb_mgm_connect(h,0,0,0);
if(ndb_mgm_insert_error(h, mgmd_nodeid, 4, &reply)< 0)
{
ndbout << "FAILED: insert error 1" << endl;
result= NDBT_FAILED;
goto done;
}
cc= ndb_mgm_end_session(h);
if(cc==0)
{
ndbout << "FAILED: success in calling end_session" << endl;
result= NDBT_FAILED;
}
else if(ndb_mgm_get_latest_error(h)!=ETIMEDOUT)
{
ndbout << "FAILED: Incorrect error code (" << ndb_mgm_get_latest_error(h)
<< " != expected " << ETIMEDOUT << ") desc: "
<< ndb_mgm_get_latest_error_desc(h)
<< " line: " << ndb_mgm_get_latest_error_line(h)
<< " msg: " << ndb_mgm_get_latest_error_msg(h)
<< endl;
result= NDBT_FAILED;
}
else
result= NDBT_OK;
if(ndb_mgm_is_connected(h))
{
ndbout << "FAILED: is still connected after error" << endl;
result= NDBT_FAILED;
}
done:
ndb_mgm_disconnect(h);
ndb_mgm_destroy_handle(&h);
return result;
}
bool
ConfigRetriever::is_connected(void)
{
return (ndb_mgm_is_connected(m_handle) != 0);
}
