Files
SugarDB/internal/modules/connection/commands.go

54 lines
1.6 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 connection
import (
"errors"
"fmt"
"github.com/echovault/echovault/constants"
"github.com/echovault/echovault/internal"
)
func handlePing(params internal.HandlerFuncParams) ([]byte, error) {
switch len(params.Command) {
default:
return nil, errors.New(constants.WrongArgsResponse)
case 1:
return []byte("+PONG\r\n"), nil
case 2:
return []byte(fmt.Sprintf("$%d\r\n%s\r\n", len(params.Command[1]), params.Command[1])), nil
}
}
func Commands() []internal.Command {
return []internal.Command{
{
Command: "ping",
Module: constants.ConnectionModule,
Categories: []string{constants.FastCategory, constants.ConnectionCategory},
Description: "(PING [value]) Ping the echovault. If a value is provided, the value will be echoed.",
Sync: false,
KeyExtractionFunc: func(cmd []string) (internal.KeyExtractionFuncResult, error) {
return internal.KeyExtractionFuncResult{
Channels: make([]string, 0),
ReadKeys: make([]string, 0),
WriteKeys: make([]string, 0),
}, nil
},
HandlerFunc: handlePing,
},
}
}