57 lines
1.7 KiB
Go
57 lines
1.7 KiB
Go
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/**
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* Tencent is pleased to support the open source community by making polaris-go available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (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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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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package model
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import (
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"syscall"
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"time"
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)
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// CurrentNanosecond obtains the current microsecond, use syscall for better performance
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func CurrentNanosecond() int64 {
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return CurrentMicrosecond() * 1e3
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}
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// CurrentMicrosecond 获取微秒时间
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func CurrentMicrosecond() int64 {
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var tv syscall.Timeval
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if err := syscall.Gettimeofday(&tv); err != nil {
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return time.Now().UnixNano() / 1e3
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}
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return int64(tv.Sec)*1e6 + int64(tv.Usec)
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}
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// CurrentMillisecond 获取微秒时间
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func CurrentMillisecond() int64 {
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var tv syscall.Timeval
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if err := syscall.Gettimeofday(&tv); err != nil {
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return time.Now().UnixNano() / 1e6
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}
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return int64(tv.Sec)*1e3 + int64(tv.Usec)/1e3
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}
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// TimestampMsToUtcIso8601 格式化时间戳
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func TimestampMsToUtcIso8601(timestamp int64) string {
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t := time.Unix(0, timestamp*1000000+1)
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s := t.Format(time.RFC3339Nano)
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if len(s) != 35 { // 2019-05-17T15:07:08.941000001+08:00
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return "1970-01-01T00:00:00.000+0800"
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}
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return s[:23] + s[29:32] + s[33:]
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}
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