yihao.dai 51f69f32d0
feat: Add CDC support (#44124)
This PR implements a new CDC service for Milvus 2.6, providing log-based
cross-cluster replication.

issue: https://github.com/milvus-io/milvus/issues/44123

---------

Signed-off-by: bigsheeper <yihao.dai@zilliz.com>
Signed-off-by: chyezh <chyezh@outlook.com>
Co-authored-by: chyezh <chyezh@outlook.com>
2025-09-16 16:32:01 +08:00

78 lines
1.8 KiB
Go

package kafka
import (
"strconv"
"github.com/cockroachdb/errors"
"github.com/confluentinc/confluent-kafka-go/kafka"
"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
"github.com/milvus-io/milvus/pkg/v2/streaming/util/message"
)
func UnmarshalMessageID(data string) (message.MessageID, error) {
id, err := unmarshalMessageID(data)
if err != nil {
return nil, err
}
return id, nil
}
func unmarshalMessageID(data string) (kafkaID, error) {
v, err := message.DecodeUint64(data)
if err != nil {
return 0, errors.Wrapf(message.ErrInvalidMessageID, "decode kafkaID fail with err: %s, id: %s", err.Error(), data)
}
return kafkaID(v), nil
}
func NewKafkaID(offset kafka.Offset) message.MessageID {
return kafkaID(offset)
}
type kafkaID kafka.Offset
// RmqID returns the message id for conversion
// Don't delete this function until conversion logic removed.
// TODO: remove in future.
func (id kafkaID) KafkaID() kafka.Offset {
return kafka.Offset(id)
}
// WALName returns the name of message id related wal.
func (id kafkaID) WALName() message.WALName {
return message.WALNameKafka
}
// LT less than.
func (id kafkaID) LT(other message.MessageID) bool {
return id < other.(kafkaID)
}
// LTE less than or equal to.
func (id kafkaID) LTE(other message.MessageID) bool {
return id <= other.(kafkaID)
}
// EQ Equal to.
func (id kafkaID) EQ(other message.MessageID) bool {
return id == other.(kafkaID)
}
// Marshal marshal the message id.
func (id kafkaID) Marshal() string {
return message.EncodeInt64(int64(id))
}
// IntoProto marshal the message id to proto.
func (id kafkaID) IntoProto() *commonpb.MessageID {
return &commonpb.MessageID{
Id: id.Marshal(),
WALName: commonpb.WALName(id.WALName()),
}
}
func (id kafkaID) String() string {
return strconv.FormatInt(int64(id), 10)
}