pulsar/internal/compression/zstd.go

// Licensed to the Apache Software Foundation (ASF) under one
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// distributed with this work for additional information
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// to you under the Apache License, Version 2.0 (the
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// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
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// 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.

// +build !cgo

package compression

import (
	"fmt"
	"github.com/klauspost/compress/zstd"
)

func NewZStdProvider() Provider {
	return newPureGoZStdProvider(zstd.SpeedDefault)
}

func newCGoZStdProvider(compressionLevel int) Provider {
	// This is kept to avoid compile errors in benchmark code when cgo is disabled.
	// The warning is only shown when running the benchmark with CGO disabled.
	fmt.Println("WARNING: CGO is disabled, using pure Go implementation of ZStd. Use CGO_ENABLED=1 when running benchmark.")
	return newPureGoZStdProvider(zstd.SpeedDefault)
}