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51f69f32d0
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>
100 lines
2.5 KiB
Go
100 lines
2.5 KiB
Go
package pulsar
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import (
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"encoding/base64"
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"fmt"
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"github.com/apache/pulsar-client-go/pulsar"
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"github.com/cockroachdb/errors"
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"github.com/milvus-io/milvus-proto/go-api/v2/commonpb"
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"github.com/milvus-io/milvus/pkg/v2/streaming/util/message"
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)
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var _ message.MessageID = pulsarID{}
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// NewPulsarID creates a new pulsarID
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// TODO: remove in future.
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func NewPulsarID(id pulsar.MessageID) message.MessageID {
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return pulsarID{id}
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}
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func UnmarshalMessageID(data string) (message.MessageID, error) {
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id, err := unmarshalMessageID(data)
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if err != nil {
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return nil, err
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}
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return id, nil
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}
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func unmarshalMessageID(data string) (pulsarID, error) {
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val, err := base64.StdEncoding.DecodeString(data)
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if err != nil {
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return pulsarID{nil}, errors.Wrapf(message.ErrInvalidMessageID, "decode pulsar fail when decode base64 with err: %s, id: %s", err.Error(), data)
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}
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msgID, err := pulsar.DeserializeMessageID(val)
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if err != nil {
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return pulsarID{nil}, errors.Wrapf(message.ErrInvalidMessageID, "decode pulsar fail when deserialize with err: %s, id: %s", err.Error(), data)
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}
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return pulsarID{msgID}, nil
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}
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type pulsarID struct {
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pulsar.MessageID
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}
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// PulsarID returns the pulsar message id.
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// Don't delete this function until conversion logic removed.
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// TODO: remove in future.
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func (id pulsarID) PulsarID() pulsar.MessageID {
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return id.MessageID
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}
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func (id pulsarID) WALName() message.WALName {
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return message.WALNamePulsar
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}
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func (id pulsarID) LT(other message.MessageID) bool {
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id2 := other.(pulsarID)
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if id.LedgerID() != id2.LedgerID() {
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return id.LedgerID() < id2.LedgerID()
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}
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if id.EntryID() != id2.EntryID() {
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return id.EntryID() < id2.EntryID()
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}
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return id.BatchIdx() < id2.BatchIdx()
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}
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func (id pulsarID) LTE(other message.MessageID) bool {
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id2 := other.(pulsarID)
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if id.LedgerID() != id2.LedgerID() {
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return id.LedgerID() < id2.LedgerID()
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}
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if id.EntryID() != id2.EntryID() {
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return id.EntryID() < id2.EntryID()
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}
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return id.BatchIdx() <= id2.BatchIdx()
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}
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func (id pulsarID) EQ(other message.MessageID) bool {
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id2 := other.(pulsarID)
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return id.LedgerID() == id2.LedgerID() &&
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id.EntryID() == id2.EntryID() &&
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id.BatchIdx() == id2.BatchIdx()
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}
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func (id pulsarID) Marshal() string {
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return base64.StdEncoding.EncodeToString(id.Serialize())
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}
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func (id pulsarID) IntoProto() *commonpb.MessageID {
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return &commonpb.MessageID{
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Id: id.Marshal(),
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WALName: commonpb.WALName(id.WALName()),
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}
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}
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func (id pulsarID) String() string {
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return fmt.Sprintf("%d/%d/%d", id.LedgerID(), id.EntryID(), id.BatchIdx())
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}
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