/
ringbuffer_readone.go
55 lines (49 loc) · 1.93 KB
/
ringbuffer_readone.go
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// Copyright (c) 2008-2020, Hazelcast, Inc. All Rights Reserved.
//
// 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 proto
import (
"github.com/hazelcast/hazelcast-go-client/internal/proto/bufutil"
"github.com/hazelcast/hazelcast-go-client/serialization"
)
func ringbufferReadOneCalculateSize(name string, sequence int64) int {
// Calculates the request payload size
dataSize := 0
dataSize += stringCalculateSize(name)
dataSize += bufutil.Int64SizeInBytes
return dataSize
}
// RingbufferReadOneEncodeRequest creates and encodes a client message
// with the given parameters.
// It returns the encoded client message.
func RingbufferReadOneEncodeRequest(name string, sequence int64) *ClientMessage {
// Encode request into clientMessage
clientMessage := NewClientMessage(nil, ringbufferReadOneCalculateSize(name, sequence))
clientMessage.SetMessageType(ringbufferReadOne)
clientMessage.IsRetryable = true
clientMessage.AppendString(name)
clientMessage.AppendInt64(sequence)
clientMessage.UpdateFrameLength()
return clientMessage
}
// RingbufferReadOneDecodeResponse decodes the given client message.
// It returns a function which returns the response parameters.
func RingbufferReadOneDecodeResponse(clientMessage *ClientMessage) func() (response serialization.Data) {
// Decode response from client message
return func() (response serialization.Data) {
if !clientMessage.ReadBool() {
response = clientMessage.ReadData()
}
return
}
}