43 lines
1.4 KiB
Go
43 lines
1.4 KiB
Go
// Copyright 2013 Prometheus Team
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package indexable
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import (
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"encoding/binary"
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clientmodel "github.com/prometheus/client_golang/model"
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)
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// EncodeTimeInto writes the provided time into the specified buffer subject
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// to the LevelDB big endian key sort order requirement.
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func EncodeTimeInto(dst []byte, t clientmodel.Timestamp) {
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binary.BigEndian.PutUint64(dst, uint64(t.Unix()))
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}
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// EncodeTime converts the provided time into a byte buffer subject to the
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// LevelDB big endian key sort order requirement.
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func EncodeTime(t clientmodel.Timestamp) []byte {
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buffer := make([]byte, 8)
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EncodeTimeInto(buffer, t)
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return buffer
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}
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// DecodeTime deserializes a big endian byte array into a Unix time in UTC,
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// omitting granularity precision less than a second.
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func DecodeTime(src []byte) clientmodel.Timestamp {
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return clientmodel.TimestampFromUnix(int64(binary.BigEndian.Uint64(src)))
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}
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