seaweedfs/weed/mq/topic/topic.go
Chris Lu dc784bf217
merge current message queue code changes (#6201)
* listing files to convert to parquet

* write parquet files

* save logs into parquet files

* pass by value

* compact logs into parquet format

* can skip existing files

* refactor

* refactor

* fix compilation

* when no partition found

* refactor

* add untested parquet file read

* rename package

* refactor

* rename files

* remove unused

* add merged log read func

* parquet wants to know the file size

* rewind by time

* pass in stop ts

* add stop ts

* adjust log

* minor

* adjust log

* skip .parquet files when reading message logs

* skip non message files

* Update subscriber_record.go

* send messages

* skip message data with only ts

* skip non log files

* update parquet-go package

* ensure a valid record type

* add new field to a record type

* Update read_parquet_to_log.go

* fix parquet file name generation

* separating reading parquet and logs

* add key field

* add skipped logs

* use in memory cache

* refactor

* refactor

* refactor

* refactor, and change compact log

* refactor

* rename

* refactor

* fix format

* prefix v to version directory
2024-11-04 12:08:25 -08:00

70 lines
1.7 KiB
Go

package topic
import (
"bytes"
"errors"
"fmt"
"github.com/seaweedfs/seaweedfs/weed/filer"
"github.com/seaweedfs/seaweedfs/weed/pb/filer_pb"
"github.com/seaweedfs/seaweedfs/weed/pb/mq_pb"
jsonpb "google.golang.org/protobuf/encoding/protojson"
)
type Topic struct {
Namespace string
Name string
}
func NewTopic(namespace string, name string) Topic {
return Topic{
Namespace: namespace,
Name: name,
}
}
func FromPbTopic(topic *mq_pb.Topic) Topic {
return Topic{
Namespace: topic.Namespace,
Name: topic.Name,
}
}
func (t Topic) ToPbTopic() *mq_pb.Topic {
return &mq_pb.Topic{
Namespace: t.Namespace,
Name: t.Name,
}
}
func (t Topic) String() string {
return fmt.Sprintf("%s.%s", t.Namespace, t.Name)
}
func (t Topic) Dir() string {
return fmt.Sprintf("%s/%s/%s", filer.TopicsDir, t.Namespace, t.Name)
}
func (t Topic) ReadConfFile(client filer_pb.SeaweedFilerClient) (*mq_pb.ConfigureTopicResponse, error) {
data, err := filer.ReadInsideFiler(client, t.Dir(), filer.TopicConfFile)
if errors.Is(err, filer_pb.ErrNotFound) {
return nil, err
}
if err != nil {
return nil, fmt.Errorf("read topic.conf of %v: %v", t, err)
}
// parse into filer conf object
conf := &mq_pb.ConfigureTopicResponse{}
if err = jsonpb.Unmarshal(data, conf); err != nil {
return nil, fmt.Errorf("unmarshal topic %v conf: %v", t, err)
}
return conf, nil
}
func (t Topic) WriteConfFile(client filer_pb.SeaweedFilerClient, conf *mq_pb.ConfigureTopicResponse) error {
var buf bytes.Buffer
filer.ProtoToText(&buf, conf)
if err := filer.SaveInsideFiler(client, t.Dir(), filer.TopicConfFile, buf.Bytes()); err != nil {
return fmt.Errorf("save topic %v conf: %v", t, err)
}
return nil
}