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auth_success.go
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auth_success.go
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// Copyright 2020 DataStax
//
// 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 message
import (
"errors"
"fmt"
"io"
"github.com/datastax/go-cassandra-native-protocol/primitive"
)
// AuthSuccess is a response message sent in reply to an AuthResponse request, to indicate that the authentication was
// successful.
// +k8s:deepcopy-gen=true
// +k8s:deepcopy-gen:interfaces=github.com/datastax/go-cassandra-native-protocol/message.Message
type AuthSuccess struct {
Token []byte
}
func (m *AuthSuccess) IsResponse() bool {
return true
}
func (m *AuthSuccess) GetOpCode() primitive.OpCode {
return primitive.OpCodeAuthSuccess
}
func (m *AuthSuccess) String() string {
return "AUTH_SUCCESS"
}
type authSuccessCodec struct{}
func (c *authSuccessCodec) Encode(msg Message, dest io.Writer, _ primitive.ProtocolVersion) error {
authSuccess, ok := msg.(*AuthSuccess)
if !ok {
return errors.New(fmt.Sprintf("expected *message.AuthSuccess, got %T", msg))
}
// protocol specs allow the token to be null on AUTH SUCCESS
return primitive.WriteBytes(authSuccess.Token, dest)
}
func (c *authSuccessCodec) EncodedLength(msg Message, _ primitive.ProtocolVersion) (int, error) {
authSuccess, ok := msg.(*AuthSuccess)
if !ok {
return -1, errors.New(fmt.Sprintf("expected *message.AuthSuccess, got %T", msg))
}
return primitive.LengthOfBytes(authSuccess.Token), nil
}
func (c *authSuccessCodec) Decode(source io.Reader, _ primitive.ProtocolVersion) (Message, error) {
if token, err := primitive.ReadBytes(source); err != nil {
return nil, err
} else {
return &AuthSuccess{Token: token}, nil
}
}
func (c *authSuccessCodec) GetOpCode() primitive.OpCode {
return primitive.OpCodeAuthSuccess
}