117 lines
2.6 KiB
Go
117 lines
2.6 KiB
Go
/*
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* Copyright (c) 2019 Huawei Technologies Co., Ltd.
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* A-Tune is licensed under the Mulan PSL v1.
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* You can use this software according to the terms and conditions of the Mulan PSL v1.
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* You may obtain a copy of Mulan PSL v1 at:
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* http://license.coscl.org.cn/MulanPSL
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* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND, EITHER EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT, MERCHANTABILITY OR FIT FOR A PARTICULAR
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* PURPOSE.
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* See the Mulan PSL v1 for more details.
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* Create: 2019-10-29
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*/
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package timer
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import (
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PB "atune/api/profile"
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"atune/common/client"
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"atune/common/config"
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"atune/common/log"
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"atune/common/utils"
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"fmt"
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"io"
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"strconv"
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"time"
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CTX "golang.org/x/net/context"
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)
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func init() {
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// registry.RegisterDaemonService("timer", &Timer{})
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}
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// Timer : a timer for dynamic tuning
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type Timer struct {
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Cfg *config.Cfg
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ticker *time.Ticker
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interval int
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isRun bool
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}
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// Init method init the Timer service
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func (t *Timer) Init() error {
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t.interval = 60
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return nil
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}
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// Set the config of the monitor
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func (t *Timer) Set(cfg *config.Cfg) {
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t.Cfg = cfg
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}
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//Run method start the ticker, auto-tuning the system
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func (t *Timer) Run() error {
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/* Static & Dynamic judge */
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if err := utils.WaitForPyservice(); err != nil {
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log.Errorf("waiting for pyservice faild: %v", err)
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return err
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}
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section, err := t.Cfg.Raw.GetSection("server")
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if err != nil {
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log.Errorf("Faild to get section system, error: %v", err)
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return err
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}
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if !section.Haskey("type") {
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return fmt.Errorf("type is not exist in the server section")
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}
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if section.Key("type").Value() == "static" {
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return nil
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} else if section.Key("type").Value() == "dynamic" {
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if section.Haskey("interval") {
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t.interval, _ = section.Key("interval").Int()
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}
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d, _ := time.ParseDuration(strconv.FormatInt(int64(t.interval), 10) + "s")
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t.ticker = time.NewTicker(d)
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t.isRun = true
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c, err := client.NewClientWithoutCli(config.DefaultTgtAddr, config.DefaultTgtPort)
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if err != nil {
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return err
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}
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defer c.Close()
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for {
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<-t.ticker.C
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log.Info("active the ticker, starting dynamic tuning,")
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go func() error {
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svc := PB.NewProfileMgrClient(c.Connection())
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stream, err := svc.Analysis(CTX.Background(), &PB.AnalysisMessage{})
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if err != nil {
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log.Error(err)
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return err
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}
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for {
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_, err := stream.Recv()
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if err == io.EOF {
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break
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}
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if err != nil {
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log.Error(err)
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return err
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}
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}
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return nil
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}()
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}
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} else {
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return fmt.Errorf("in section server, type must be dynamic or statis")
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}
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return nil
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}
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