void
ClusterMgr::threadMain()
{
startup();
NdbApiSignal signal(numberToRef(API_CLUSTERMGR, theFacade.ownId()));
signal.theVerId_signalNumber = GSN_API_REGREQ;
signal.theTrace = 0;
signal.theLength = ApiRegReq::SignalLength;
ApiRegReq * req = CAST_PTR(ApiRegReq, signal.getDataPtrSend());
req->ref = numberToRef(API_CLUSTERMGR, theFacade.ownId());
req->version = NDB_VERSION;
req->mysql_version = NDB_MYSQL_VERSION_D;
NdbApiSignal nodeFail_signal(numberToRef(API_CLUSTERMGR, getOwnNodeId()));
nodeFail_signal.theVerId_signalNumber = GSN_NODE_FAILREP;
nodeFail_signal.theReceiversBlockNumber = API_CLUSTERMGR;
nodeFail_signal.theTrace = 0;
nodeFail_signal.theLength = NodeFailRep::SignalLengthLong;
NDB_TICKS now = NdbTick_getCurrentTicks();
while(!theStop)
{
/* Sleep 1/5 of minHeartBeatInterval between each check */
const NDB_TICKS before = now;
for (Uint32 i = 0; i<5; i++)
{
NdbSleep_MilliSleep(minHeartBeatInterval/5);
{
/**
* start_poll does lock the trp_client and complete_poll
* releases this lock. This means that this protects
* against concurrent calls to send signals in ArbitMgr.
* We do however need to protect also against concurrent
* close in doStop, so to avoid this problem we need to
* also lock clusterMgrThreadMutex before we start the
* poll.
*/
Guard g(clusterMgrThreadMutex);
start_poll();
do_poll(0);
complete_poll();
}
}
now = NdbTick_getCurrentTicks();
const Uint32 timeSlept = (Uint32)NdbTick_Elapsed(before, now).milliSec();
lock();
if (m_cluster_state == CS_waiting_for_clean_cache &&
theFacade.m_globalDictCache)
{
if (!global_flag_skip_waiting_for_clean_cache)
{
theFacade.m_globalDictCache->lock();
unsigned sz= theFacade.m_globalDictCache->get_size();
theFacade.m_globalDictCache->unlock();
if (sz)
{
unlock();
continue;
}
}
m_cluster_state = CS_waiting_for_first_connect;
}
NodeFailRep * nodeFailRep = CAST_PTR(NodeFailRep,
nodeFail_signal.getDataPtrSend());
nodeFailRep->noOfNodes = 0;
NodeBitmask::clear(nodeFailRep->theAllNodes);
for (int i = 1; i < MAX_NODES; i++)
{
/**
* Send register request (heartbeat) to all available nodes
* at specified timing intervals
*/
const NodeId nodeId = i;
// Check array bounds + don't allow node 0 to be touched
assert(nodeId > 0 && nodeId < MAX_NODES);
Node & cm_node = theNodes[nodeId];
trp_node & theNode = cm_node;
if (!theNode.defined)
continue;
if (theNode.is_connected() == false) {
theFacade.doConnect(nodeId);
continue;
}
if (!theNode.compatible) {
continue;
}
if (nodeId == getOwnNodeId())
{
/**
* Don't send HB to self more than once
* (once needed to avoid weird special cases in e.g ConfigManager)
*/
if (m_sent_API_REGREQ_to_myself)
{
continue;
}
}
cm_node.hbCounter += timeSlept;
if (cm_node.hbCounter >= m_max_api_reg_req_interval ||
cm_node.hbCounter >= cm_node.hbFrequency)
{
/**
* It is now time to send a new Heartbeat
*/
if (cm_node.hbCounter >= cm_node.hbFrequency)
{
cm_node.hbMissed++;
cm_node.hbCounter = 0;
}
if (theNode.m_info.m_type != NodeInfo::DB)
signal.theReceiversBlockNumber = API_CLUSTERMGR;
else
signal.theReceiversBlockNumber = QMGR;
#ifdef DEBUG_REG
ndbout_c("ClusterMgr: Sending API_REGREQ to node %d", (int)nodeId);
#endif
if (nodeId == getOwnNodeId())
{
/* Set flag to ensure we only send once to ourself */
m_sent_API_REGREQ_to_myself = true;
}
raw_sendSignal(&signal, nodeId);
}//if
if (cm_node.hbMissed == 4 && cm_node.hbFrequency > 0)
{
nodeFailRep->noOfNodes++;
NodeBitmask::set(nodeFailRep->theAllNodes, nodeId);
}
}
flush_send_buffers();
unlock();
if (nodeFailRep->noOfNodes)
{
lock();
raw_sendSignal(&nodeFail_signal, getOwnNodeId());
flush_send_buffers();
unlock();
}
}
}
void
ClusterMgr::threadMain()
{
startup();
NdbApiSignal signal(numberToRef(API_CLUSTERMGR, theFacade.ownId()));
signal.theVerId_signalNumber = GSN_API_REGREQ;
signal.theTrace = 0;
signal.theLength = ApiRegReq::SignalLength;
ApiRegReq * req = CAST_PTR(ApiRegReq, signal.getDataPtrSend());
req->ref = numberToRef(API_CLUSTERMGR, theFacade.ownId());
req->version = NDB_VERSION;
req->mysql_version = NDB_MYSQL_VERSION_D;
NdbApiSignal nodeFail_signal(numberToRef(API_CLUSTERMGR, getOwnNodeId()));
nodeFail_signal.theVerId_signalNumber = GSN_NODE_FAILREP;
nodeFail_signal.theReceiversBlockNumber = API_CLUSTERMGR;
nodeFail_signal.theTrace = 0;
nodeFail_signal.theLength = NodeFailRep::SignalLengthLong;
NDB_TICKS timeSlept = 100;
NDB_TICKS now = NdbTick_CurrentMillisecond();
while(!theStop)
{
/* Sleep at 100ms between each heartbeat check */
NDB_TICKS before = now;
for (Uint32 i = 0; i<5; i++)
{
NdbSleep_MilliSleep(20);
{
Guard g(clusterMgrThreadMutex);
/**
* Protect from ArbitMgr sending signals while we poll
*/
start_poll();
do_poll(0);
complete_poll();
}
}
now = NdbTick_CurrentMillisecond();
timeSlept = (now - before);
if (m_cluster_state == CS_waiting_for_clean_cache &&
theFacade.m_globalDictCache)
{
if (!global_flag_skip_waiting_for_clean_cache)
{
theFacade.m_globalDictCache->lock();
unsigned sz= theFacade.m_globalDictCache->get_size();
theFacade.m_globalDictCache->unlock();
if (sz)
continue;
}
m_cluster_state = CS_waiting_for_first_connect;
}
NodeFailRep * nodeFailRep = CAST_PTR(NodeFailRep,
nodeFail_signal.getDataPtrSend());
nodeFailRep->noOfNodes = 0;
NodeBitmask::clear(nodeFailRep->theAllNodes);
lock();
for (int i = 1; i < MAX_NODES; i++){
/**
* Send register request (heartbeat) to all available nodes
* at specified timing intervals
*/
const NodeId nodeId = i;
// Check array bounds + don't allow node 0 to be touched
assert(nodeId > 0 && nodeId < MAX_NODES);
Node & cm_node = theNodes[nodeId];
trp_node & theNode = cm_node;
if (!theNode.defined)
continue;
if (theNode.is_connected() == false){
theFacade.doConnect(nodeId);
continue;
}
if (!theNode.compatible){
continue;
}
if (nodeId == getOwnNodeId() && theNode.is_confirmed())
{
/**
* Don't send HB to self more than once
* (once needed to avoid weird special cases in e.g ConfigManager)
*/
continue;
}
cm_node.hbCounter += (Uint32)timeSlept;
if (cm_node.hbCounter >= m_max_api_reg_req_interval ||
cm_node.hbCounter >= cm_node.hbFrequency)
{
/**
* It is now time to send a new Heartbeat
*/
if (cm_node.hbCounter >= cm_node.hbFrequency)
{
cm_node.hbMissed++;
cm_node.hbCounter = 0;
}
if (theNode.m_info.m_type != NodeInfo::DB)
signal.theReceiversBlockNumber = API_CLUSTERMGR;
else
signal.theReceiversBlockNumber = QMGR;
#ifdef DEBUG_REG
ndbout_c("ClusterMgr: Sending API_REGREQ to node %d", (int)nodeId);
#endif
raw_sendSignal(&signal, nodeId);
}//if
if (cm_node.hbMissed == 4 && cm_node.hbFrequency > 0)
{
nodeFailRep->noOfNodes++;
NodeBitmask::set(nodeFailRep->theAllNodes, nodeId);
}
}
flush_send_buffers();
unlock();
if (nodeFailRep->noOfNodes)
{
lock();
raw_sendSignal(&nodeFail_signal, getOwnNodeId());
flush_send_buffers();
unlock();
}
}
}
