mirror of
https://gitee.com/milvus-io/milvus.git
synced 2026-01-02 17:05:33 +08:00
d3e32bb599
issue: #38399 - Add a pchannel level checkpoint for flush processing - Refactor the recovery of flushers of wal - make a shared wal scanner first, then make multi datasyncservice on it Signed-off-by: chyezh <chyezh@outlook.com>
67 lines
1.7 KiB
Go
67 lines
1.7 KiB
Go
package message
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"github.com/cockroachdb/errors"
|
|
|
|
"github.com/milvus-io/milvus/pkg/util/typeutil"
|
|
)
|
|
|
|
var (
|
|
// messageIDUnmarshaler is the map for message id unmarshaler.
|
|
messageIDUnmarshaler typeutil.ConcurrentMap[string, MessageIDUnmarshaler]
|
|
|
|
ErrInvalidMessageID = errors.New("invalid message id")
|
|
)
|
|
|
|
// RegisterMessageIDUnmsarshaler register the message id unmarshaler.
|
|
func RegisterMessageIDUnmsarshaler(name string, unmarshaler MessageIDUnmarshaler) {
|
|
_, loaded := messageIDUnmarshaler.GetOrInsert(name, unmarshaler)
|
|
if loaded {
|
|
panic("MessageID Unmarshaler already registered: " + name)
|
|
}
|
|
}
|
|
|
|
// MessageIDUnmarshaler is the unmarshaler for message id.
|
|
type MessageIDUnmarshaler = func(b string) (MessageID, error)
|
|
|
|
// MustUnmarshalMessageID unmarshal the message id, panic if failed.
|
|
func MustUnmarshalMessageID(name string, b string) MessageID {
|
|
id, err := UnmarshalMessageID(name, b)
|
|
if err != nil {
|
|
panic(fmt.Sprintf("unmarshal message id failed: %s, wal: %s, bytes: %s", err.Error(), name, b))
|
|
}
|
|
return id
|
|
}
|
|
|
|
// UnmsarshalMessageID unmarshal the message id.
|
|
func UnmarshalMessageID(name string, b string) (MessageID, error) {
|
|
unmarshaler, ok := messageIDUnmarshaler.Get(name)
|
|
if !ok {
|
|
panic("MessageID Unmarshaler not registered: " + name)
|
|
}
|
|
return unmarshaler(b)
|
|
}
|
|
|
|
// MessageID is the interface for message id.
|
|
type MessageID interface {
|
|
// WALName returns the name of message id related wal.
|
|
WALName() string
|
|
|
|
// LT less than.
|
|
LT(MessageID) bool
|
|
|
|
// LTE less than or equal to.
|
|
LTE(MessageID) bool
|
|
|
|
// EQ Equal to.
|
|
EQ(MessageID) bool
|
|
|
|
// Marshal marshal the message id.
|
|
Marshal() string
|
|
|
|
// Convert into string for logging.
|
|
String() string
|
|
}
|