void doWork() {
if ( !theReplSet ) {
LOG(2) << "replSet not initialized yet, skipping health poll this round" << rsLog;
return;
}
HeartbeatInfo mem = m;
HeartbeatInfo old = mem;
bool needsNewStateChecked = false;
try {
BSONObj info;
int theirConfigVersion = -10000;
bool ok = _requestHeartbeat(mem, info, theirConfigVersion);
// weight new ping with old pings
// on the first ping, just use the ping value
if (old.ping != 0) {
mem.ping = (unsigned int)((old.ping * .8) + (mem.ping * .2));
}
if( ok ) {
up(info, mem, &needsNewStateChecked);
}
else if (!info["errmsg"].eoo() && info["errmsg"].str() == "unauthorized") {
authIssue(mem);
}
else {
down(mem, info.getStringField("errmsg"));
}
}
catch (const DBException& e) {
log() << "replSet health poll task caught a DBException: " << e.what();
down(mem, e.what());
}
catch (const std::exception& e) {
log() << "replSet health poll task caught an exception: " << e.what();
down(mem, e.what());
}
m = mem;
theReplSet->mgr->send( boost::bind(&ReplSet::msgUpdateHBInfo, theReplSet, mem) );
static time_t last = 0;
time_t now = time(0);
bool changed = mem.changed(old);
if( changed ) {
if( old.hbstate != mem.hbstate )
log() << "replSet member " << h.toString() << " is now in state " << mem.hbstate.toString() << rsLog;
}
if( needsNewStateChecked || changed || now-last>4 ) {
last = now;
theReplSet->mgr->send( boost::bind(&Manager::msgCheckNewState, theReplSet->mgr) );
}
}
void up(const BSONObj& info, HeartbeatInfo& mem) {
HeartbeatInfo::numPings++;
mem.authIssue = false;
if( mem.upSince == 0 ) {
log() << "replSet member " << h.toString() << " is up" << rsLog;
mem.upSince = mem.lastHeartbeat;
}
mem.health = 1.0;
mem.lastHeartbeatMsg = info["hbmsg"].String();
if (info.hasElement("syncingTo")) {
mem.syncingTo = info["syncingTo"].String();
}
if( info.hasElement("opTime") )
mem.opTime = info["opTime"].Date();
// see if this member is in the electable set
if( info["e"].eoo() ) {
// for backwards compatibility
const Member *member = theReplSet->findById(mem.id());
if (member && member->config().potentiallyHot()) {
theReplSet->addToElectable(mem.id());
}
else {
theReplSet->rmFromElectable(mem.id());
}
}
// add this server to the electable set if it is within 10
// seconds of the latest optime we know of
else if( info["e"].trueValue() &&
mem.opTime >= theReplSet->lastOpTimeWritten.getSecs() - 10) {
unsigned lastOp = theReplSet->lastOtherOpTime().getSecs();
if (lastOp > 0 && mem.opTime >= lastOp - 10) {
theReplSet->addToElectable(mem.id());
}
}
else {
theReplSet->rmFromElectable(mem.id());
}
be cfg = info["config"];
if( cfg.ok() ) {
// received a new config
boost::function<void()> f =
boost::bind(&Manager::msgReceivedNewConfig, theReplSet->mgr, cfg.Obj().copy());
theReplSet->mgr->send(f);
}
}
void down(HeartbeatInfo& mem, string msg) {
// if we've received a heartbeat from this member within the last two seconds, don't
// change its state to down (if it's already down, leave it down since we don't have
// any info about it other than it's heartbeating us)
if (m.lastHeartbeatRecv+2 >= time(0)) {
log() << "replset info " << h.toString()
<< " just heartbeated us, but our heartbeat failed: " << msg
<< ", not changing state" << rsLog;
// we don't update any of the heartbeat info, though, since we didn't get any info
// other than "not down" from having it heartbeat us
return;
}
mem.authIssue = false;
mem.health = 0.0;
mem.ping = 0;
if( mem.upSince || mem.downSince == 0 ) {
mem.upSince = 0;
mem.downSince = jsTime();
mem.hbstate = MemberState::RS_DOWN;
log() << "replSet info " << h.toString() << " is down (or slow to respond): " << msg << rsLog;
}
mem.lastHeartbeatMsg = msg;
theReplSet->rmFromElectable(mem.id());
}
void down(HeartbeatInfo& mem, string msg) {
// if we've received a heartbeat from this member within the last two seconds, don't
// change its state to down (if it's already down, leave it down since we don't have
// any info about it other than it's heartbeating us)
// This code is essentially a no-op in vanilla MongoDB thanks to
// SERVER-11280. I (Zardosht) am reluctant to fix it because
// I don't know what impact it may have on elections and failover.
// For now, commenting out because we are moving lastHeartbeatRecv
// out of HeartbeatInfo and into Member
/*
if (m.lastHeartbeatRecv+2 >= time(0)) {
log() << "replset info " << h.toString()
<< " just heartbeated us, but our heartbeat failed: " << msg
<< ", not changing state" << rsLog;
// we don't update any of the heartbeat info, though, since we didn't get any info
// other than "not down" from having it heartbeat us
return;
}
*/
mem.authIssue = false;
mem.health = 0.0;
mem.ping = 0;
if( mem.upSince || mem.downSince == 0 ) {
mem.upSince = 0;
mem.downSince = jsTime();
mem.hbstate = MemberState::RS_DOWN;
log() << "replSet info " << h.toString() << " is down (or slow to respond): " << msg << rsLog;
}
mem.lastHeartbeatMsg = msg;
theReplSet->rmFromElectable(mem.id());
}
void authIssue(HeartbeatInfo& mem) {
mem.authIssue = true;
mem.hbstate = MemberState::RS_UNKNOWN;
// set health to 0 so that this doesn't count towards majority
mem.health = 0.0;
theReplSet->rmFromElectable(mem.id());
}
void ReplSetImpl::msgUpdateHBInfo(HeartbeatInfo h) {
for (Member *m = _members.head(); m; m=m->next()) {
if (static_cast<int>(m->id()) == h.id()) {
m->_hbinfo.updateFromLastPoll(h);
return;
}
}
}
void ReplSetImpl::msgUpdateHBInfo(HeartbeatInfo h) {
for( Member *m = _members.head(); m; m=m->next() ) {
if( m->id() == h.id() ) {
m->_hbinfo = h;
return;
}
}
}
void doWork() {
HeartbeatInfo mem = m;
HeartbeatInfo old = mem;
try {
BSONObj info;
int theirConfigVersion = -10000;
bool ok = requestHeartbeat(theReplSet->name(), h.toString(), info, theReplSet->config().version, theirConfigVersion);
mem.lastHeartbeat = time(0); // we set this on any response - we don't get this far if couldn't connect because exception is thrown
{
be state = info["state"];
if( state.ok() )
mem.hbstate = (MemberState) state.Int();
}
if( ok ) {
if( mem.upSince == 0 ) {
log() << "replSet info " << h.toString() << " is now up" << rsLog;
mem.upSince = mem.lastHeartbeat;
}
mem.health = 1.0;
mem.lastHeartbeatMsg = "";
be cfg = info["config"];
if( cfg.ok() ) {
// received a new config
boost::function<void()> f =
boost::bind(&ReplSet::Manager::msgReceivedNewConfig, theReplSet->mgr, cfg.Obj().copy());
theReplSet->mgr->send(f);
}
}
else {
down(mem, info.getStringField("errmsg"));
}
}
catch(...) {
down(mem, "connect/transport error");
}
m = mem;
theReplSet->mgr->send( boost::bind(&ReplSet::msgUpdateHBInfo, theReplSet, mem) );
static time_t last = 0;
time_t now = time(0);
if( mem.changed(old) || now-last>4 ) {
last = now;
theReplSet->mgr->send( boost::bind(&ReplSet::Manager::msgCheckNewState, theReplSet->mgr) );
}
}
void authIssue(HeartbeatInfo& mem) {
if (!mem.authIssue) {
log() << "replSet member " << h.toString() << " has an auth issue" << rsLog;
}
mem.authIssue = true;
mem.hbstate = MemberState::RS_UNKNOWN;
// set health to 0 so that this doesn't count towards majority
mem.health = 0.0;
theReplSet->rmFromElectable(mem.id());
}
void down(HeartbeatInfo& mem, string msg) {
mem.health = 0.0;
if( mem.upSince || mem.downSince == 0 ) {
mem.upSince = 0;
mem.downSince = jsTime();
mem.hbstate = MemberState::RS_DOWN;
log() << "replSet info " << h.toString() << " is down (or slow to respond): " << msg << rsLog;
}
mem.lastHeartbeatMsg = msg;
theReplSet->rmFromElectable(mem.id());
}
// update internal state with heartbeat response, and run topology checks
void TopologyCoordinatorImpl::updateHeartbeatInfo(Date_t now, const HeartbeatInfo& newInfo) {
// Fill in the new heartbeat data for the appropriate member
for (Member *m = _otherMembers.head(); m; m=m->next()) {
if (m->id() == newInfo.id()) {
m->get_hbinfo().updateFromLastPoll(newInfo);
break;
}
}
// Don't bother to make any changes if we are an election candidate
if (_busyWithElectSelf) return;
// ex-checkelectableset begins here
unsigned int latestOp = _latestKnownOpTime().getSecs();
// make sure the electable set is up-to-date
if (_aMajoritySeemsToBeUp()
&& !_currentConfig.self->arbiterOnly // not an arbiter
&& (_currentConfig.self->priority > 0) // not priority 0
&& (_stepDownUntil <= now) // stepDown timer has expired
&& (_memberState == MemberState::RS_SECONDARY)
// we are within 10 seconds of primary
&& (latestOp == 0 || _lastApplied.getSecs() >= latestOp - 10)) {
_electableSet.insert(_currentConfig.self->_id);
}
else {
_electableSet.erase(_currentConfig.self->_id);
}
// check if we should ask the primary (possibly ourselves) to step down
const Member* highestPriority = _getHighestPriorityElectable();
const Member* primary = _currentPrimary;
if (primary && highestPriority &&
highestPriority->config().priority > primary->config().priority &&
// if we're stepping down to allow another member to become primary, we
// better have another member (latestOp), and it should be up-to-date
latestOp != 0 && highestPriority->hbinfo().opTime.getSecs() >= latestOp - 10) {
log() << "stepping down " << primary->fullName() << " (priority " <<
primary->config().priority << "), " << highestPriority->fullName() <<
" is priority " << highestPriority->config().priority << " and " <<
(latestOp - highestPriority->hbinfo().opTime.getSecs()) << " seconds behind";
// Are we primary?
if (primary->h().isSelf()) {
// replSetStepDown tries to acquire the same lock
// msgCheckNewState takes, so we can't call replSetStepDown on
// ourselves.
// XXX Eric: schedule relinquish
//rs->relinquish();
}
else {
// We are not primary. Step down the remote node.
BSONObj cmd = BSON( "replSetStepDown" << 1 );
/* ScopedConn conn(primary->fullName());
BSONObj result;
// XXX Eric: schedule stepdown command
try {
if (!conn.runCommand("admin", cmd, result, 0)) {
log() << "stepping down " << primary->fullName()
<< " failed: " << result << endl;
}
}
catch (DBException &e) {
log() << "stepping down " << primary->fullName() << " threw exception: "
<< e.toString() << endl;
}
*/
}
}
// ex-checkauth begins here
{
int down = 0, authIssue = 0, total = 0;
for( Member *m = _otherMembers.head(); m; m=m->next() ) {
total++;
// all authIssue servers will also be not up
if (!m->hbinfo().up()) {
down++;
if (m->hbinfo().authIssue) {
authIssue++;
}
}
}
// if all nodes are down or failed auth AND at least one failed
// auth, go into recovering. If all nodes are down, stay a
// secondary.
if (authIssue > 0 && down == total) {
log() << "replset error could not reach/authenticate against any members";
if (_currentPrimary == _self) {
log() << "auth problems, relinquishing primary" << rsLog;
// XXX Eric: schedule relinquish
//rs->relinquish();
}
_blockSync = true;
// syncing is how we get into SECONDARY state, so we'll be stuck in
// RECOVERING until we unblock
_changeMemberState(MemberState::RS_RECOVERING);
}
else {
_blockSync = false;
}
}
// If a remote is primary, check that it is still up.
if (_currentPrimary && _currentPrimary->id() != _self->id()) {
if (!_currentPrimary->hbinfo().up() ||
!_currentPrimary->hbinfo().hbstate.primary()) {
_currentPrimary = NULL;
}
}
// Scan the member list's heartbeat data for who is primary, and update ourselves if it's
// not what _currentPrimary is.
{
const Member* remotePrimary(NULL);
Member* m = _otherMembers.head();
while (m) {
DEV verify( m != _self );
if( m->state().primary() && m->hbinfo().up() ) {
if( remotePrimary ) {
/* two other nodes think they are primary (asynchronously polled) -- wait for things to settle down. */
log() << "replSet info two primaries (transiently)" << rsLog;
return;
}
remotePrimary = m;
}
m = m->next();
}
if (remotePrimary) {
// If it's the same as last time, don't do anything further.
if (_currentPrimary == remotePrimary) {
return;
}
// Clear last heartbeat message on ourselves (why?)
_self->lhb() = "";
// insanity: this is what actually puts arbiters into ARBITER state
if (_currentConfig.self->arbiterOnly) {
_changeMemberState(MemberState::RS_ARBITER);
return;
}
// If we are also primary, this is a problem. Determine who should step down.
if (_memberState == MemberState::RS_PRIMARY) {
OpTime remoteElectionTime = remotePrimary->hbinfo().electionTime;
log() << "replset: another primary seen with election time "
<< remoteElectionTime;
// Step down whoever has the older election time.
if (remoteElectionTime > _electionTime) {
log() << "stepping down; another primary was elected more recently";
// XXX Eric: schedule a relinquish
//rs->relinquish();
// after completion, set currentprimary to remotePrimary.
}
else {
// else, stick around
log() << "another PRIMARY detected but it should step down"
" since it was elected earlier than me";
return;
}
}
_currentPrimary = remotePrimary;
return;
}
/* didn't find anyone who is currently primary */
}
// If we are primary, check if we can still see majority of the set;
// stepdown if we can't.
if (_currentPrimary) {
/* we must be primary */
fassert(18505, _currentPrimary == _self);
if (_shouldRelinquish()) {
log() << "can't see a majority of the set, relinquishing primary" << rsLog;
// XXX Eric: schedule a relinquish
//rs->relinquish();
}
return;
}
// At this point, there is no primary anywhere. Check to see if we should become an
// election candidate.
// If we can't elect ourselves due to config, can't become a candidate.
if (!_currentConfig.self->arbiterOnly // not an arbiter
&& (_currentConfig.self->priority > 0) // not priority 0
&& (_stepDownUntil <= now) // stepDown timer has expired
&& (_memberState == MemberState::RS_SECONDARY)) {
OCCASIONALLY log() << "replSet I don't see a primary and I can't elect myself";
return;
}
// If we can't see a majority, can't become a candidate.
if (!_aMajoritySeemsToBeUp()) {
static Date_t last;
static int n = 0;
int ll = 0;
if( ++n > 5 ) ll++;
if( last + 60 > now ) ll++;
LOG(ll) << "replSet can't see a majority, will not try to elect self" << rsLog;
last = now;
return;
}
// If we can't elect ourselves due to the current electable set;
// we are in the set if we are within 10 seconds of the latest known op (via heartbeats)
if (!(_electableSet.find(_self->id()) != _electableSet.end())) {
// we are too far behind to become primary
return;
}
// All checks passed, become a candidate and start election proceedings.
// don't try to do further elections & such while we are already working on one.
_busyWithElectSelf = true;
// XXX: schedule an election
/*
try {
rs->elect.electSelf();
}
catch(RetryAfterSleepException&) {
// we want to process new inbounds before trying this again. so we just put a checkNewstate in the queue for eval later.
requeue();
}
catch(...) {
log() << "replSet error unexpected assertion in rs manager" << rsLog;
}
}
*/
_busyWithElectSelf = false;
}
void doWork() {
if ( !theReplSet ) {
log(2) << "theReplSet not initialized yet, skipping health poll this round" << rsLog;
return;
}
HeartbeatInfo mem = m;
HeartbeatInfo old = mem;
try {
BSONObj info;
int theirConfigVersion = -10000;
Timer timer;
bool ok = requestHeartbeat(theReplSet->name(), theReplSet->selfFullName(), h.toString(), info, theReplSet->config().version, theirConfigVersion);
mem.ping = (unsigned int)timer.micros();
time_t before = timer.startTime() / 1000000;
// we set this on any response - we don't get this far if
// couldn't connect because exception is thrown
time_t after = mem.lastHeartbeat = before + (mem.ping / 1000000);
if ( info["time"].isNumber() ) {
long long t = info["time"].numberLong();
if( t > after )
mem.skew = (int) (t - after);
else if( t < before )
mem.skew = (int) (t - before); // negative
}
else {
// it won't be there if remote hasn't initialized yet
if( info.hasElement("time") )
warning() << "heatbeat.time isn't a number: " << info << endl;
mem.skew = INT_MIN;
}
{
be state = info["state"];
if( state.ok() )
mem.hbstate = MemberState(state.Int());
}
if( ok ) {
if( mem.upSince == 0 ) {
log() << "replSet info " << h.toString() << " is up" << rsLog;
mem.upSince = mem.lastHeartbeat;
}
mem.health = 1.0;
mem.lastHeartbeatMsg = info["hbmsg"].String();
if( info.hasElement("opTime") )
mem.opTime = info["opTime"].Date();
be cfg = info["config"];
if( cfg.ok() ) {
// received a new config
boost::function<void()> f =
boost::bind(&Manager::msgReceivedNewConfig, theReplSet->mgr, cfg.Obj().copy());
theReplSet->mgr->send(f);
}
}
else {
down(mem, info.getStringField("errmsg"));
}
}
catch(DBException& e) {
down(mem, e.what());
}
catch(...) {
down(mem, "something unusual went wrong");
}
m = mem;
theReplSet->mgr->send( boost::bind(&ReplSet::msgUpdateHBInfo, theReplSet, mem) );
static time_t last = 0;
time_t now = time(0);
bool changed = mem.changed(old);
if( changed ) {
if( old.hbstate != mem.hbstate )
log() << "replSet member " << h.toString() << ' ' << mem.hbstate.toString() << rsLog;
}
if( changed || now-last>4 ) {
last = now;
theReplSet->mgr->send( boost::bind(&Manager::msgCheckNewState, theReplSet->mgr) );
}
}
void up(const BSONObj& info, HeartbeatInfo& mem, bool* needsNewStateChecked) {
HeartbeatInfo::numPings++;
mem.authIssue = false;
if( mem.upSince == 0 ) {
log() << "replSet member " << h.toString() << " is up" << rsLog;
mem.upSince = mem.lastHeartbeat;
}
mem.health = 1.0;
mem.lastHeartbeatMsg = info["hbmsg"].String();
if (info.hasElement("syncingTo")) {
mem.syncingTo = info["syncingTo"].String();
}
if( info.hasElement("opTime") ) {
mem.opTime = info["opTime"].Date();
}
if ( info.hasElement("GTID")) {
mem.gtid = getGTIDFromBSON("GTID", info);
}
if ( info.hasElement("lastUnappliedGTID")) {
mem.lastUnappliedGTID = getGTIDFromBSON("lastUnappliedGTID", info);
}
if ( info.hasElement("minLiveGTID")) {
mem.minLiveGTID= getGTIDFromBSON("minLiveGTID", info);
}
if ( info.hasElement("minUnappliedGTID")) {
mem.minUnappliedGTID= getGTIDFromBSON("minUnappliedGTID", info);
}
if ( info.hasElement("oplogVersion")) {
mem.oplogVersion = info["oplogVersion"].numberLong();
}
else {
mem.oplogVersion = 0;
}
// for "highest known primary"
if ( info.hasElement("hkp")) {
mem.highestKnownPrimaryInSet = info["hkp"].numberLong();
// if the highest known primary across the replica set has changed,
// communicate that to the caller so that Manager::msgCheckNewState
// eventually gets called
*needsNewStateChecked = theReplSet->handleHighestKnownPrimaryOfMember(mem.highestKnownPrimaryInSet);
}
else {
mem.highestKnownPrimaryInSet = 0;
}
// see if this member is in the electable set
if( info["e"].eoo() ) {
// for backwards compatibility
const Member *member = theReplSet->findById(mem.id());
if (member && member->config().potentiallyHot()) {
theReplSet->addToElectable(mem.id());
}
else {
theReplSet->rmFromElectable(mem.id());
}
}
// add this server to the electable set if it is within 10
// seconds of the latest optime we know of
else if( info["e"].trueValue() &&
mem.opTime + 10000 >= (theReplSet->gtidManager ? theReplSet->gtidManager->getCurrTimestamp() : 0))
{
unsigned lastOp = theReplSet->lastOtherOpTime();
if (lastOp > 0 && mem.opTime + 10000 >= lastOp) {
theReplSet->addToElectable(mem.id());
}
}
else {
theReplSet->rmFromElectable(mem.id());
}
be cfg = info["config"];
if( cfg.ok() ) {
// received a new config
boost::function<void()> f =
boost::bind(&Manager::msgReceivedNewConfig, theReplSet->mgr, cfg.Obj().copy());
theReplSet->mgr->send(f);
}
}
void doWork() {
if ( !theReplSet ) {
LOG(2) << "replSet not initialized yet, skipping health poll this round" << rsLog;
return;
}
HeartbeatInfo mem = m;
HeartbeatInfo old = mem;
try {
BSONObj info;
int theirConfigVersion = -10000;
Timer timer;
bool ok = requestHeartbeat(theReplSet->name(), theReplSet->selfFullName(), h.toString(), info, theReplSet->config().version, theirConfigVersion);
mem.ping = (unsigned int)timer.millis();
time_t before = timer.startTime() / 1000000;
// we set this on any response - we don't get this far if
// couldn't connect because exception is thrown
time_t after = mem.lastHeartbeat = before + (mem.ping / 1000);
// weight new ping with old pings
// on the first ping, just use the ping value
if (old.ping != 0) {
mem.ping = (unsigned int)((old.ping * .8) + (mem.ping * .2));
}
if ( info["time"].isNumber() ) {
long long t = info["time"].numberLong();
if( t > after )
mem.skew = (int) (t - after);
else if( t < before )
mem.skew = (int) (t - before); // negative
}
else {
// it won't be there if remote hasn't initialized yet
if( info.hasElement("time") )
warning() << "heatbeat.time isn't a number: " << info << endl;
mem.skew = INT_MIN;
}
{
be state = info["state"];
if( state.ok() )
mem.hbstate = MemberState(state.Int());
}
if( ok ) {
HeartbeatInfo::numPings++;
if( mem.upSince == 0 ) {
log() << "replSet info member " << h.toString() << " is up" << rsLog;
mem.upSince = mem.lastHeartbeat;
}
mem.health = 1.0;
mem.lastHeartbeatMsg = info["hbmsg"].String();
if( info.hasElement("opTime") )
mem.opTime = info["opTime"].Date();
// see if this member is in the electable set
if( info["e"].eoo() ) {
// for backwards compatibility
const Member *member = theReplSet->findById(mem.id());
if (member && member->config().potentiallyHot()) {
theReplSet->addToElectable(mem.id());
}
else {
theReplSet->rmFromElectable(mem.id());
}
}
// add this server to the electable set if it is within 10
// seconds of the latest optime we know of
else if( info["e"].trueValue() &&
mem.opTime >= theReplSet->lastOpTimeWritten.getSecs() - 10) {
unsigned lastOp = theReplSet->lastOtherOpTime().getSecs();
if (lastOp > 0 && mem.opTime >= lastOp - 10) {
theReplSet->addToElectable(mem.id());
}
}
else {
theReplSet->rmFromElectable(mem.id());
}
be cfg = info["config"];
if( cfg.ok() ) {
// received a new config
boost::function<void()> f =
boost::bind(&Manager::msgReceivedNewConfig, theReplSet->mgr, cfg.Obj().copy());
theReplSet->mgr->send(f);
}
}
else {
down(mem, info.getStringField("errmsg"));
}
}
catch(DBException& e) {
down(mem, e.what());
}
catch(...) {
down(mem, "replSet unexpected exception in ReplSetHealthPollTask");
}
m = mem;
theReplSet->mgr->send( boost::bind(&ReplSet::msgUpdateHBInfo, theReplSet, mem) );
static time_t last = 0;
time_t now = time(0);
bool changed = mem.changed(old);
if( changed ) {
if( old.hbstate != mem.hbstate )
log() << "replSet member " << h.toString() << " is now in state " << mem.hbstate.toString() << rsLog;
}
if( changed || now-last>4 ) {
last = now;
theReplSet->mgr->send( boost::bind(&Manager::msgCheckNewState, theReplSet->mgr) );
}
}
void doWork() {
if ( !theReplSet ) {
log(2) << "theReplSet not initialized yet, skipping health poll this round" << rsLog;
return;
}
HeartbeatInfo mem = m;
HeartbeatInfo old = mem;
try {
BSONObj info;
int theirConfigVersion = -10000;
time_t before = time(0);
bool ok = requestHeartbeat(theReplSet->name(), theReplSet->selfFullName(), h.toString(), info, theReplSet->config().version, theirConfigVersion);
time_t after = mem.lastHeartbeat = time(0); // we set this on any response - we don't get this far if couldn't connect because exception is thrown
try {
mem.skew = 0;
long long t = info["time"].Long();
if( t > after )
mem.skew = (int) (t - after);
else if( t < before )
mem.skew = (int) (t - before); // negative
}
catch(...) {
mem.skew = INT_MIN;
}
{
be state = info["state"];
if( state.ok() )
mem.hbstate = MemberState(state.Int());
}
if( ok ) {
if( mem.upSince == 0 ) {
log() << "replSet info " << h.toString() << " is now up" << rsLog;
mem.upSince = mem.lastHeartbeat;
}
mem.health = 1.0;
mem.lastHeartbeatMsg = info["hbmsg"].String();
if( info.hasElement("opTime") )
mem.opTime = info["opTime"].Date();
be cfg = info["config"];
if( cfg.ok() ) {
// received a new config
boost::function<void()> f =
boost::bind(&Manager::msgReceivedNewConfig, theReplSet->mgr, cfg.Obj().copy());
theReplSet->mgr->send(f);
}
}
else {
down(mem, info.getStringField("errmsg"));
}
}
catch(...) {
down(mem, "connect/transport error");
}
m = mem;
theReplSet->mgr->send( boost::bind(&ReplSet::msgUpdateHBInfo, theReplSet, mem) );
static time_t last = 0;
time_t now = time(0);
bool changed = mem.changed(old);
if( changed ) {
if( old.hbstate != mem.hbstate )
log() << "replSet " << h.toString() << ' ' << mem.hbstate.toString() << rsLog;
}
if( changed || now-last>4 ) {
last = now;
theReplSet->mgr->send( boost::bind(&Manager::msgCheckNewState, theReplSet->mgr) );
}
}
