Files
SugarDB/sugardb/cluster.go
Kelvin Mwinuka 703ad2a802 Rename the project to SugarDB. (#130)
Renames project to "SugarDB" - @kelvinmwinuka
2024-09-22 21:31:12 +08:00

105 lines
2.7 KiB
Go

// Copyright 2024 Kelvin Clement Mwinuka
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package sugardb
import (
"context"
"encoding/json"
"fmt"
"github.com/echovault/sugardb/internal"
"time"
)
func (server *SugarDB) isInCluster() bool {
return server.config.BootstrapCluster || server.config.JoinAddr != ""
}
func (server *SugarDB) raftApplyDeleteKey(ctx context.Context, key string) error {
serverId, _ := ctx.Value(internal.ContextServerID("ServerID")).(string)
protocol, _ := ctx.Value("Protocol").(int)
database, _ := ctx.Value("Database").(int)
deleteKeyRequest := internal.ApplyRequest{
Type: "delete-key",
ServerID: serverId,
ConnectionID: "nil",
Protocol: protocol,
Database: database,
Key: key,
}
b, err := json.Marshal(deleteKeyRequest)
if err != nil {
return fmt.Errorf("could not parse delete key request for key: %s", key)
}
applyFuture := server.raft.Apply(b, 500*time.Millisecond)
if err = applyFuture.Error(); err != nil {
return err
}
r, ok := applyFuture.Response().(internal.ApplyResponse)
if !ok {
return fmt.Errorf("unprocessable entity %v", r)
}
if r.Error != nil {
return r.Error
}
return nil
}
func (server *SugarDB) raftApplyCommand(ctx context.Context, cmd []string) ([]byte, error) {
serverId, _ := ctx.Value(internal.ContextServerID("ServerID")).(string)
connectionId, _ := ctx.Value(internal.ContextConnID("ConnectionID")).(string)
protocol, _ := ctx.Value("Protocol").(int)
database, _ := ctx.Value("Database").(int)
applyRequest := internal.ApplyRequest{
Type: "command",
ServerID: serverId,
ConnectionID: connectionId,
Protocol: protocol,
Database: database,
CMD: cmd,
}
b, err := json.Marshal(applyRequest)
if err != nil {
return nil, fmt.Errorf("could not parse command request for commad: %+v", cmd)
}
applyFuture := server.raft.Apply(b, 500*time.Millisecond)
if err = applyFuture.Error(); err != nil {
return nil, err
}
r, ok := applyFuture.Response().(internal.ApplyResponse)
if !ok {
return nil, fmt.Errorf("unprocessable entity %v", r)
}
if r.Error != nil {
return nil, r.Error
}
return r.Response, nil
}