synchronized void update(Set<Node> seenNodes) {
try {
long start = System.currentTimeMillis();
CommandResult res = _port.runCommand(_mongo.getDB("admin"), _isMasterCmd);
_lastCheck = System.currentTimeMillis();
_pingTime = _lastCheck - start;
if (res == null) {
_ok = false;
return;
}
_ok = true;
_isMaster = res.getBoolean("ismaster", false);
_isSecondary = res.getBoolean("secondary", false);
_lastPrimarySignal = res.getString("primary");
if (res.containsField("hosts")) {
for (Object x : (List) res.get("hosts")) {
String host = x.toString();
Node node = _addIfNotHere(host);
if (node != null && seenNodes != null) seenNodes.add(node);
}
}
if (res.containsField("passives")) {
for (Object x : (List) res.get("passives")) {
String host = x.toString();
Node node = _addIfNotHere(host);
if (node != null && seenNodes != null) seenNodes.add(node);
}
}
if (_isMaster) {
// max size was added in 1.8
if (res.containsField("maxBsonObjectSize"))
maxBsonObjectSize = ((Integer) res.get("maxBsonObjectSize")).intValue();
else maxBsonObjectSize = Bytes.MAX_OBJECT_SIZE;
}
} catch (MongoException e) {
Throwable root = e;
if (e.getCause() != null) root = e.getCause();
_logger.log(Level.FINE, "node down: " + _addr + " " + root);
_ok = false;
} catch (Exception e) {
_logger.log(Level.SEVERE, "can't update node: " + _addr, e);
_ok = false;
}
if (!_isMaster) return;
try {
DB db = _mongo.getDB("local");
_port.checkAuth(db);
DBObject config = _port.findOne(db, "system.replset", new BasicDBObject());
if (config == null) {
// probably a replica pair
// TODO: add this in when pairs are really gone
// _logger.log( Level.SEVERE , "no replset config!" );
} else if (config.get("$err") != null
&& UNAUTHENTICATED_ERROR_CODE == (Integer) config.get("code")) {
_logger.log(
Level.WARNING,
"Replica Set updater cannot get results, call authenticate on 'local' or 'admin' db");
} else {
String setName = config.get("_id").toString();
if (_setName == null) {
_setName = setName;
_logger = Logger.getLogger(_rootLogger.getName() + "." + setName);
} else if (!_setName.equals(setName)) {
_logger.log(Level.SEVERE, "mis match set name old: " + _setName + " new: " + setName);
return;
}
// TODO: look at members
}
} catch (MongoException e) {
if (_setName != null) {
// this probably means the master is busy, so going to ignore
} else {
_logger.log(Level.SEVERE, "can't get initial config from node: " + _addr, e);
}
} catch (Exception e) {
_logger.log(Level.SEVERE, "unexpected error getting config from node: " + _addr, e);
}
}
synchronized void update(Set<UpdatableNode> seenNodes) {
try {
long start = System.nanoTime();
CommandResult res = _port.runCommand(_mongo.getDB("admin"), _isMasterCmd);
long end = System.nanoTime();
float newPingMS = (end - start) / 1000000F;
if (!successfullyContacted) _pingTimeMS = newPingMS;
else _pingTimeMS = _pingTimeMS + ((newPingMS - _pingTimeMS) / latencySmoothFactor);
_rootLogger.log(
Level.FINE,
"Latency to " + _addr + " actual=" + newPingMS + " smoothed=" + _pingTimeMS);
successfullyContacted = true;
if (res == null) {
throw new MongoInternalException("Invalid null value returned from isMaster");
}
if (!_ok) {
_logger.get().log(Level.INFO, "Server seen up: " + _addr);
}
_ok = true;
_isMaster = res.getBoolean("ismaster", false);
_isSecondary = res.getBoolean("secondary", false);
_lastPrimarySignal.set(res.getString("primary"));
if (res.containsField("hosts")) {
for (Object x : (List) res.get("hosts")) {
String host = x.toString();
UpdatableNode node = _addIfNotHere(host);
if (node != null && seenNodes != null) seenNodes.add(node);
}
}
if (res.containsField("passives")) {
for (Object x : (List) res.get("passives")) {
String host = x.toString();
UpdatableNode node = _addIfNotHere(host);
if (node != null && seenNodes != null) seenNodes.add(node);
}
}
// Tags were added in 2.0 but may not be present
if (res.containsField("tags")) {
DBObject tags = (DBObject) res.get("tags");
for (String key : tags.keySet()) {
_tags.put(key, tags.get(key).toString());
}
}
// max size was added in 1.8
if (res.containsField("maxBsonObjectSize")) {
_maxBsonObjectSize = (Integer) res.get("maxBsonObjectSize");
} else {
_maxBsonObjectSize = Bytes.MAX_OBJECT_SIZE;
}
if (res.containsField("setName")) {
String setName = res.get("setName").toString();
if (_setName.get() == null) {
_setName.set(setName);
_logger.set(Logger.getLogger(_rootLogger.getName() + "." + setName));
} else if (!_setName.get().equals(setName)) {
_logger
.get()
.log(Level.SEVERE, "mismatch set name old: " + _setName.get() + " new: " + setName);
}
}
} catch (Exception e) {
if (_ok) {
_logger.get().log(Level.WARNING, "Server seen down: " + _addr, e);
} else if (Math.random() < 0.1) {
_logger.get().log(Level.WARNING, "Server seen down: " + _addr, e);
}
_ok = false;
}
}