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execute_command.go
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execute_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 (
"math/rand"
kvs "github.com/aerospike/aerospike-client-go/v7/proto/kvs"
)
type executeCommand struct {
readCommand
// overwrite
policy *WritePolicy
packageName string
functionName string
args *ValueArray
}
func newExecuteCommand(
cluster *Cluster,
policy *WritePolicy,
key *Key,
packageName string,
functionName string,
args *ValueArray,
) (executeCommand, Error) {
var err Error
var partition *Partition
if cluster != nil {
partition, err = PartitionForWrite(cluster, &policy.BasePolicy, key)
if err != nil {
return executeCommand{}, err
}
}
readCommand, err := newReadCommand(cluster, &policy.BasePolicy, key, nil, partition)
if err != nil {
return executeCommand{}, err
}
return executeCommand{
readCommand: readCommand,
policy: policy,
packageName: packageName,
functionName: functionName,
args: args,
}, nil
}
func (cmd *executeCommand) writeBuffer(ifc command) Error {
return cmd.setUdf(cmd.policy, cmd.key, cmd.packageName, cmd.functionName, cmd.args)
}
func (cmd *executeCommand) getNode(ifc command) (*Node, Error) {
return cmd.partition.GetNodeWrite(cmd.cluster)
}
func (cmd *executeCommand) prepareRetry(ifc command, isTimeout bool) bool {
cmd.partition.PrepareRetryWrite(isTimeout)
return true
}
func (cmd *executeCommand) isRead() bool {
return false
}
func (cmd *executeCommand) Execute() Error {
return cmd.execute(cmd)
}
func (cmd *executeCommand) transactionType() transactionType {
return ttUDF
}
func (cmd *executeCommand) 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.Execute(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
}