Status ReplSetHeartbeatResponse::initialize(const BSONObj& doc, long long term) { // Old versions set this even though they returned not "ok" _mismatch = doc[kMismatchFieldName].trueValue(); if (_mismatch) return Status(ErrorCodes::InconsistentReplicaSetNames, "replica set name doesn't match."); // Old versions sometimes set the replica set name ("set") but ok:0 const BSONElement replSetNameElement = doc[kReplSetFieldName]; if (replSetNameElement.eoo()) { _setName.clear(); } else if (replSetNameElement.type() != String) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kReplSetFieldName << "\" field in response to replSetHeartbeat to have " "type String, but found " << typeName(replSetNameElement.type())); } else { _setName = replSetNameElement.String(); } if (_setName.empty() && !doc[kOkFieldName].trueValue()) { std::string errMsg = doc[kErrMsgFieldName].str(); BSONElement errCodeElem = doc[kErrorCodeFieldName]; if (errCodeElem.ok()) { if (!errCodeElem.isNumber()) return Status(ErrorCodes::BadValue, "Error code is not a number!"); int errorCode = errCodeElem.numberInt(); return Status(ErrorCodes::Error(errorCode), errMsg); } return Status(ErrorCodes::UnknownError, errMsg); } const BSONElement hasDataElement = doc[kHasDataFieldName]; _hasDataSet = !hasDataElement.eoo(); _hasData = hasDataElement.trueValue(); const BSONElement electionTimeElement = doc[kElectionTimeFieldName]; if (electionTimeElement.eoo()) { _electionTimeSet = false; } else if (electionTimeElement.type() == bsonTimestamp) { _electionTimeSet = true; _electionTime = electionTimeElement.timestamp(); } else if (electionTimeElement.type() == Date) { _electionTimeSet = true; _electionTime = Timestamp(electionTimeElement.date()); } else { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kElectionTimeFieldName << "\" field in response to replSetHeartbeat " "command to have type Date or Timestamp, but found type " << typeName(electionTimeElement.type())); } const BSONElement timeElement = doc[kTimeFieldName]; if (timeElement.eoo()) { _timeSet = false; } else if (timeElement.isNumber()) { _timeSet = true; _time = Seconds(timeElement.numberLong()); } else { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kTimeFieldName << "\" field in response to replSetHeartbeat " "command to have a numeric type, but found type " << typeName(timeElement.type())); } _isReplSet = doc[kIsReplSetFieldName].trueValue(); Status termStatus = bsonExtractIntegerField(doc, kTermFieldName, &_term); if (!termStatus.isOK() && termStatus != ErrorCodes::NoSuchKey) { return termStatus; } // In order to support both the 3.0(V0) and 3.2(V1) heartbeats we must parse the OpTime // field based on its type. If it is a Date, we parse it as the timestamp and use // initialize's term argument to complete the OpTime type. If it is an Object, then it's // V1 and we construct an OpTime out of its nested fields. const BSONElement opTimeElement = doc[kOpTimeFieldName]; if (opTimeElement.eoo()) { _opTimeSet = false; } else if (opTimeElement.type() == bsonTimestamp) { _opTimeSet = true; _opTime = OpTime(opTimeElement.timestamp(), term); } else if (opTimeElement.type() == Date) { _opTimeSet = true; _opTime = OpTime(Timestamp(opTimeElement.date()), term); } else if (opTimeElement.type() == Object) { Status status = bsonExtractOpTimeField(doc, kOpTimeFieldName, &_opTime); _opTimeSet = true; // since a v1 OpTime was in the response, the member must be part of a replset _isReplSet = true; } else { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kOpTimeFieldName << "\" field in response to replSetHeartbeat " "command to have type Date or Timestamp, but found type " << typeName(opTimeElement.type())); } const BSONElement electableElement = doc[kIsElectableFieldName]; if (electableElement.eoo()) { _electableSet = false; } else { _electableSet = true; _electable = electableElement.trueValue(); } const BSONElement memberStateElement = doc[kMemberStateFieldName]; if (memberStateElement.eoo()) { _stateSet = false; } else if (memberStateElement.type() != NumberInt && memberStateElement.type() != NumberLong) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kMemberStateFieldName << "\" field in response to replSetHeartbeat " "command to have type NumberInt or NumberLong, but found type " << typeName(memberStateElement.type())); } else { long long stateInt = memberStateElement.numberLong(); if (stateInt < 0 || stateInt > MemberState::RS_MAX) { return Status(ErrorCodes::BadValue, str::stream() << "Value for \"" << kMemberStateFieldName << "\" in response to replSetHeartbeat is " "out of range; legal values are non-negative and no more than " << MemberState::RS_MAX); } _stateSet = true; _state = MemberState(static_cast<int>(stateInt)); } _stateDisagreement = doc[kHasStateDisagreementFieldName].trueValue(); // Not required for the case of uninitialized members -- they have no config const BSONElement configVersionElement = doc[kConfigVersionFieldName]; // If we have an optime then we must have a configVersion if (_opTimeSet && configVersionElement.eoo()) { return Status(ErrorCodes::NoSuchKey, str::stream() << "Response to replSetHeartbeat missing required \"" << kConfigVersionFieldName << "\" field even though initialized"); } // If there is a "v" (config version) then it must be an int. if (!configVersionElement.eoo() && configVersionElement.type() != NumberInt) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kConfigVersionFieldName << "\" field in response to replSetHeartbeat to have " "type NumberInt, but found " << typeName(configVersionElement.type())); } _configVersion = configVersionElement.numberInt(); const BSONElement hbMsgElement = doc[kHbMessageFieldName]; if (hbMsgElement.eoo()) { _hbmsg.clear(); } else if (hbMsgElement.type() != String) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kHbMessageFieldName << "\" field in response to replSetHeartbeat to have " "type String, but found " << typeName(hbMsgElement.type())); } else { _hbmsg = hbMsgElement.String(); } const BSONElement syncingToElement = doc[kSyncSourceFieldName]; if (syncingToElement.eoo()) { _syncingTo = HostAndPort(); } else if (syncingToElement.type() != String) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kSyncSourceFieldName << "\" field in response to replSetHeartbeat to " "have type String, but found " << typeName(syncingToElement.type())); } else { _syncingTo = HostAndPort(syncingToElement.String()); } const BSONElement rsConfigElement = doc[kConfigFieldName]; if (rsConfigElement.eoo()) { _configSet = false; _config = ReplicaSetConfig(); return Status::OK(); } else if (rsConfigElement.type() != Object) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kConfigFieldName << "\" in response to replSetHeartbeat to have type " "Object, but found " << typeName(rsConfigElement.type())); } _configSet = true; return _config.initialize(rsConfigElement.Obj()); }
Status ReplSetHeartbeatResponse::initialize(const BSONObj& doc) { // Old versions set this even though they returned not "ok" _mismatch = doc[kMismatchFieldName].trueValue(); if (_mismatch) return Status(ErrorCodes::InconsistentReplicaSetNames, "replica set name doesn't match."); // Old versions sometimes set the replica set name ("set") but ok:0 const BSONElement replSetNameElement = doc[kReplSetFieldName]; if (replSetNameElement.eoo()) { _setName.clear(); } else if (replSetNameElement.type() != String) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kReplSetFieldName << "\" field in response to replSetHeartbeat to have " "type String, but found " << typeName(replSetNameElement.type())); } else { _setName = replSetNameElement.String(); } if (_setName.empty() && !doc[kOkFieldName].trueValue()) { std::string errMsg = doc[kErrMsgFieldName].str(); BSONElement errCodeElem = doc[kErrorCodeFieldName]; if (errCodeElem.ok()) { if (!errCodeElem.isNumber()) return Status(ErrorCodes::BadValue, "Error code is not a number!"); int errorCode = errCodeElem.numberInt(); return Status(ErrorCodes::Error(errorCode), errMsg); } return Status(ErrorCodes::UnknownError, errMsg); } const BSONElement hasDataElement = doc[kHasDataFieldName]; _hasDataSet = !hasDataElement.eoo(); _hasData = hasDataElement.trueValue(); const BSONElement electionTimeElement = doc[kElectionTimeFieldName]; if (electionTimeElement.eoo()) { _electionTimeSet = false; } else if (electionTimeElement.type() == Timestamp) { _electionTimeSet = true; _electionTime = electionTimeElement._opTime(); } else if (electionTimeElement.type() == Date) { _electionTimeSet = true; _electionTime = OpTime(electionTimeElement.date()); } else { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kElectionTimeFieldName << "\" field in response to replSetHeartbeat " "command to have type Date or Timestamp, but found type " << typeName(electionTimeElement.type())); } const BSONElement timeElement = doc[kTimeFieldName]; if (timeElement.eoo()) { _timeSet = false; } else if (timeElement.isNumber()) { _timeSet = true; _time = Seconds(timeElement.numberLong()); } else { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kTimeFieldName << "\" field in response to replSetHeartbeat " "command to have a numeric type, but found type " << typeName(timeElement.type())); } const BSONElement opTimeElement = doc[kOpTimeFieldName]; if (opTimeElement.eoo()) { _opTimeSet = false; } else if (opTimeElement.type() == Timestamp) { _opTimeSet = true; _opTime = opTimeElement._opTime(); } else if (opTimeElement.type() == Date) { _opTimeSet = true; _opTime = OpTime(opTimeElement.date()); } else { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kOpTimeFieldName << "\" field in response to replSetHeartbeat " "command to have type Date or Timestamp, but found type " << typeName(opTimeElement.type())); } const BSONElement electableElement = doc[kIsElectableFieldName]; if (electableElement.eoo()) { _electableSet = false; } else { _electableSet = true; _electable = electableElement.trueValue(); } _isReplSet = doc[kIsReplSetFieldName].trueValue(); const BSONElement memberStateElement = doc[kMemberStateFieldName]; if (memberStateElement.eoo()) { _stateSet = false; } else if (memberStateElement.type() != NumberInt && memberStateElement.type() != NumberLong) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kMemberStateFieldName << "\" field in response to replSetHeartbeat " "command to have type NumberInt or NumberLong, but found type " << typeName(memberStateElement.type())); } else { long long stateInt = memberStateElement.numberLong(); if (stateInt < 0 || stateInt > MemberState::RS_MAX) { return Status(ErrorCodes::BadValue, str::stream() << "Value for \"" << kMemberStateFieldName << "\" in response to replSetHeartbeat is " "out of range; legal values are non-negative and no more than " << MemberState::RS_MAX); } _stateSet = true; _state = MemberState(static_cast<int>(stateInt)); } _stateDisagreement = doc[kHasStateDisagreementFieldName].trueValue(); // Not required for the case of uninitialized members -- they have no config const BSONElement versionElement = doc[kConfigVersionFieldName]; // If we have an optime then we must have a version if (_opTimeSet && versionElement.eoo()) { return Status(ErrorCodes::NoSuchKey, str::stream() << "Response to replSetHeartbeat missing required \"" << kConfigVersionFieldName << "\" field even though initialized"); } // If there is a "v" (config version) then it must be an int. if (!versionElement.eoo() && versionElement.type() != NumberInt) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kConfigVersionFieldName << "\" field in response to replSetHeartbeat to have " "type NumberInt, but found " << typeName(versionElement.type())); } _version = versionElement.numberInt(); const BSONElement hbMsgElement = doc[kHbMessageFieldName]; if (hbMsgElement.eoo()) { _hbmsg.clear(); } else if (hbMsgElement.type() != String) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kHbMessageFieldName << "\" field in response to replSetHeartbeat to have " "type String, but found " << typeName(hbMsgElement.type())); } else { _hbmsg = hbMsgElement.String(); } const BSONElement syncingToElement = doc[kSyncSourceFieldName]; if (syncingToElement.eoo()) { _syncingTo.clear(); } else if (syncingToElement.type() != String) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kSyncSourceFieldName << "\" field in response to replSetHeartbeat to " "have type String, but found " << typeName(syncingToElement.type())); } else { _syncingTo = syncingToElement.String(); } const BSONElement rsConfigElement = doc[kConfigFieldName]; if (rsConfigElement.eoo()) { _configSet = false; _config = ReplicaSetConfig(); return Status::OK(); } else if (rsConfigElement.type() != Object) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kConfigFieldName << "\" in response to replSetHeartbeat to have type " "Object, but found " << typeName(rsConfigElement.type())); } _configSet = true; return _config.initialize(rsConfigElement.Obj()); }
Status ReplSetHeartbeatResponseV1::initialize(const BSONObj& doc) { Status status = bsonCheckOnlyHasFields("ReplSetHeartbeatResponse", doc, kLegalHeartbeatFieldNames); if (!status.isOK()) return status; status = bsonExtractBooleanField(doc, kIsReplSetFieldName, &_isReplSet); if (!status.isOK()) return status; status = bsonExtractStringField(doc, kReplSetFieldName, &_setName); if (!status.isOK()) return status; long long stateInt; status = bsonExtractIntegerField(doc, kMemberStateFieldName, &stateInt); if (!status.isOK()) return status; if (stateInt < 0 || stateInt > MemberState::RS_MAX) { return Status(ErrorCodes::BadValue, str::stream() << "Value for \"" << kMemberStateFieldName << "\" in response to replSetHeartbeat is " "out of range; legal values are non-negative and no more than " << MemberState::RS_MAX); } _state = MemberState(static_cast<int>(stateInt)); // extracting the lastCommittedOp is a bit of a process BSONObj lastOpTime = doc[kLastOpTimeFieldName].Obj(); Timestamp ts; status = bsonExtractTimestampField(lastOpTime, kOpTimeFieldName, &ts); if (!status.isOK()) return status; long long term; status = bsonExtractIntegerField(lastOpTime, kTermFieldName, &term); if (!status.isOK()) return status; _lastOpTime = OpTime(lastOpTime[kOpTimeFieldName].timestamp(), lastOpTime[kTermFieldName].Long()); status = bsonExtractStringField(doc, kSyncSourceFieldName, &_syncingTo); if (!status.isOK()) return status; status = bsonExtractIntegerField(doc, kConfigVersionFieldName, &_configVersion); if (!status.isOK()) return status; status = bsonExtractIntegerField(doc, kPrimaryIdFieldName, &_primaryId); if (!status.isOK()) return status; status = bsonExtractIntegerField(doc, kTermFieldName, &_term); if (!status.isOK()) return status; const BSONElement hasDataElement = doc[kHasDataFieldName]; _hasDataSet = !hasDataElement.eoo(); _hasData = hasDataElement.trueValue(); const BSONElement rsConfigElement = doc[kConfigFieldName]; if (rsConfigElement.eoo()) { _configSet = false; _config = ReplicaSetConfig(); return Status::OK(); } else if (rsConfigElement.type() != Object) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kConfigFieldName << "\" in response to replSetHeartbeat to have type " "Object, but found " << typeName(rsConfigElement.type())); } _configSet = true; return _config.initialize(rsConfigElement.Obj()); }
Status ReplSetHeartbeatResponse::initialize(const BSONObj& doc) { const BSONElement electionTimeElement = doc[kElectionTimeFieldName]; if (electionTimeElement.eoo()) { _electionTimeSet = false; } else if (electionTimeElement.type() == Timestamp) { _electionTimeSet = true; _electionTime = electionTimeElement._opTime(); } else if (electionTimeElement.type() == Date) { _electionTime = true; _electionTime = OpTime(electionTimeElement.date()); } else { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kElectionTimeFieldName << "\" field in response to replSetHeartbeat " "command to have type Date or Timestamp, but found type " << typeName(electionTimeElement.type())); } const BSONElement timeElement = doc[kTimeFieldName]; if (timeElement.eoo()) { _timeSet = false; } else if (timeElement.isNumber()) { _timeSet = true; _time = Seconds(timeElement.numberLong()); } else { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kTimeFieldName << "\" field in reponse to replSetHeartbeat " "command to have a numeric type, but found type " << typeName(timeElement.type())); } const BSONElement opTimeElement = doc[kOpTimeFieldName]; if (opTimeElement.eoo()) { _opTimeSet = false; } else if (opTimeElement.type() == Timestamp) { _opTimeSet = true; _opTime = opTimeElement._opTime(); } else if (opTimeElement.type() == Date) { _opTimeSet = true; _opTime = OpTime(opTimeElement.date()); } else { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kOpTimeFieldName << "\" field in response to replSetHeartbeat " "command to have type Date or Timestamp, but found type " << typeName(opTimeElement.type())); } const BSONElement electableElement = doc[kIsElectableFieldName]; if (electableElement.eoo()) { _electableSet = false; } else { _electableSet = true; _electable = electableElement.trueValue(); } _mismatch = doc[kMismatchFieldName].trueValue(); _isReplSet = doc[kIsReplSetFieldName].trueValue(); const BSONElement memberStateElement = doc[kMemberStateFieldName]; if (memberStateElement.eoo()) { _stateSet = false; } else if (memberStateElement.type() != NumberInt && memberStateElement.type() != NumberLong) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kMemberStateFieldName << "\" field in response to replSetHeartbeat " " command to have type NumberInt or NumberLong, but found type " << typeName(memberStateElement.type())); } else { long long stateInt = memberStateElement.numberLong(); if (stateInt < 0 || stateInt > MemberState::RS_MAX) { return Status(ErrorCodes::BadValue, str::stream() << "Value for \"" << kMemberStateFieldName << "\" in response to replSetHeartbeat is " " out of range; legal values are non-negative and no more than " << MemberState::RS_MAX); } _state = MemberState(static_cast<int>(stateInt)); } _stateDisagreement = doc[kHasStateDisagreementFieldName].trueValue(); const BSONElement versionElement = doc[kConfigVersionFieldName]; if (versionElement.eoo()) { return Status(ErrorCodes::NoSuchKey, str::stream() << "Response to replSetHeartbeat missing required \"" << kConfigVersionFieldName << " field"); } if (versionElement.type() != NumberInt) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kConfigVersionFieldName << "\" field in response to replSetHeartbeat to have " "type NumberInt, but found " << typeName(versionElement.type())); } _version = versionElement.numberInt(); const BSONElement replSetNameElement = doc[kReplSetFieldName]; if (replSetNameElement.eoo()) { return Status(ErrorCodes::NoSuchKey, str::stream() << "Response to replSetHeartbeat missing required \"" << kReplSetFieldName << "\" field"); } if (replSetNameElement.type() != String) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kReplSetFieldName << "\" field in response to replSetHeartbeat to have " "type String, but found " << typeName(replSetNameElement.type())); } _setName = replSetNameElement.String(); const BSONElement hbMsgElement = doc[kHbMessageFieldName]; if (hbMsgElement.eoo()) { _hbmsg.clear(); } else if (hbMsgElement.type() != String) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kHbMessageFieldName << "\" field in response to replSetHeartbeat to have " "type String, but found " << typeName(hbMsgElement.type())); } _hbmsg = hbMsgElement.String(); const BSONElement syncingToElement = doc[kSyncSourceFieldName]; if (syncingToElement.eoo()) { _syncingTo.clear(); } else if (syncingToElement.type() != String) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kSyncSourceFieldName << "\" field in response to replSetHeartbeat to " "have type String, but found " << typeName(syncingToElement.type())); } _syncingTo = syncingToElement.String(); const BSONElement rsConfigElement = doc[kConfigFieldName]; if (rsConfigElement.eoo()) { _configSet = false; _config = ReplicaSetConfig(); } else if (rsConfigElement.type() != Object) { return Status(ErrorCodes::TypeMismatch, str::stream() << "Expected \"" << kConfigFieldName << "\" in response to replSetHeartbeat to have type " "Object, but found " << typeName(rsConfigElement.type())); } _configSet = true; return _config.initialize(rsConfigElement.Obj()); }