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touch_command.go
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touch_command.go
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// Copyright 2014-2022 Aerospike, Inc.
//
// 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 aerospike
import (
"fmt"
"math/rand"
"github.com/aerospike/aerospike-client-go/v7/logger"
kvs "github.com/aerospike/aerospike-client-go/v7/proto/kvs"
"github.com/aerospike/aerospike-client-go/v7/types"
Buffer "github.com/aerospike/aerospike-client-go/v7/utils/buffer"
)
// guarantee touchCommand implements command interface
var _ command = &touchCommand{}
type touchCommand struct {
singleCommand
policy *WritePolicy
}
func newTouchCommand(cluster *Cluster, policy *WritePolicy, key *Key) (touchCommand, Error) {
var err Error
var partition *Partition
if cluster != nil {
partition, err = PartitionForWrite(cluster, &policy.BasePolicy, key)
if err != nil {
return touchCommand{}, err
}
}
newTouchCmd := touchCommand{
singleCommand: newSingleCommand(cluster, key, partition),
policy: policy,
}
return newTouchCmd, nil
}
func (cmd *touchCommand) getPolicy(ifc command) Policy {
return cmd.policy
}
func (cmd *touchCommand) writeBuffer(ifc command) Error {
return cmd.setTouch(cmd.policy, cmd.key)
}
func (cmd *touchCommand) getNode(ifc command) (*Node, Error) {
return cmd.partition.GetNodeWrite(cmd.cluster)
}
func (cmd *touchCommand) prepareRetry(ifc command, isTimeout bool) bool {
cmd.partition.PrepareRetryWrite(isTimeout)
return true
}
func (cmd *touchCommand) parseResult(ifc command, conn *Connection) Error {
// Read header.
_, err := conn.Read(cmd.dataBuffer, 8)
if err != nil {
return err
}
if compressedSize := cmd.compressedSize(); compressedSize > 0 {
// Read compressed size
_, err = conn.Read(cmd.dataBuffer, compressedSize)
if err != nil {
logger.Logger.Debug("Connection error reading data for TouchCommand: %s", err.Error())
return err
}
// Read compressed size
_, err = conn.Read(cmd.dataBuffer, 8)
if err != nil {
logger.Logger.Debug("Connection error reading data for TouchCommand: %s", err.Error())
return err
}
if err = cmd.conn.initInflater(true, compressedSize); err != nil {
return newError(types.PARSE_ERROR, fmt.Sprintf("Error setting up zlib inflater for size `%d`: %s", compressedSize, err.Error()))
}
// Read header.
_, err = conn.Read(cmd.dataBuffer, int(_MSG_TOTAL_HEADER_SIZE))
if err != nil {
logger.Logger.Debug("Connection error reading data for TouchCommand: %s", err.Error())
return err
}
} else {
// Read header.
_, err = conn.Read(cmd.dataBuffer[8:], int(_MSG_TOTAL_HEADER_SIZE)-8)
if err != nil {
logger.Logger.Debug("Connection error reading data for TouchCommand: %s", err.Error())
return err
}
}
// Read header.
header := Buffer.BytesToInt64(cmd.dataBuffer, 0)
// Validate header to make sure we are at the beginning of a message
if err := cmd.validateHeader(header); err != nil {
return err
}
resultCode := cmd.dataBuffer[13] & 0xFF
if resultCode != 0 {
if resultCode == byte(types.KEY_NOT_FOUND_ERROR) {
return ErrKeyNotFound.err()
} else if types.ResultCode(resultCode) == types.FILTERED_OUT {
return ErrFilteredOut.err()
}
return newError(types.ResultCode(resultCode))
}
return cmd.emptySocket(conn)
}
func (cmd *touchCommand) isRead() bool {
return false
}
func (cmd *touchCommand) Execute() Error {
return cmd.execute(cmd)
}
func (cmd *touchCommand) transactionType() transactionType {
return ttPut
}
func (cmd *touchCommand) ExecuteGRPC(clnt *ProxyClient) Error {
defer cmd.grpcPutBufferBack()
err := cmd.prepareBuffer(cmd, cmd.policy.deadline())
if err != nil {
return err
}
req := kvs.AerospikeRequestPayload{
Id: rand.Uint32(),
Iteration: 1,
Payload: cmd.dataBuffer[:cmd.dataOffset],
WritePolicy: cmd.policy.grpc(),
}
conn, err := clnt.grpcConn()
if err != nil {
return err
}
client := kvs.NewKVSClient(conn)
ctx := cmd.policy.grpcDeadlineContext()
res, gerr := client.Touch(ctx, &req)
if gerr != nil {
return newGrpcError(!cmd.isRead(), gerr, gerr.Error())
}
cmd.commandWasSent = true
defer clnt.returnGrpcConnToPool(conn)
if res.GetStatus() != 0 {
return newGrpcStatusError(res)
}
cmd.conn = newGrpcFakeConnection(res.GetPayload(), nil)
err = cmd.parseResult(cmd, cmd.conn)
if err != nil {
return err
}
return nil
}