87 lines
1.9 KiB
Go
87 lines
1.9 KiB
Go
package main
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import (
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"net/http"
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"time"
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"git.frostfs.info/TrueCloudLab/frostfs-node/internal/logs"
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httputil "git.frostfs.info/TrueCloudLab/frostfs-node/pkg/util/http"
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"go.uber.org/zap"
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)
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type httpComponent struct {
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srv *httputil.Server
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address string
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name string
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handler http.Handler
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shutdownDur time.Duration
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enabled bool
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}
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const (
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enabledKeyPostfix = ".enabled"
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addressKeyPostfix = ".address"
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shutdownTimeoutKeyPostfix = ".shutdown_timeout"
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)
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func (c *httpComponent) init() {
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log.Info("init " + c.name)
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c.enabled = cfg.GetBool(c.name + enabledKeyPostfix)
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c.address = cfg.GetString(c.name + addressKeyPostfix)
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c.shutdownDur = cfg.GetDuration(c.name + shutdownTimeoutKeyPostfix)
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if c.enabled {
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c.srv = httputil.New(
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httputil.HTTPSrvPrm{
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Address: c.address,
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Handler: c.handler,
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},
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httputil.WithShutdownTimeout(c.shutdownDur),
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)
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} else {
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log.Info(c.name + " is disabled, skip")
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c.srv = nil
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}
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}
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func (c *httpComponent) start() {
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if c.srv != nil {
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log.Info("start " + c.name)
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wg.Add(1)
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go func() {
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defer wg.Done()
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exitErr(c.srv.Serve())
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}()
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}
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}
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func (c *httpComponent) shutdown() error {
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if c.srv != nil {
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log.Info("shutdown " + c.name)
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return c.srv.Shutdown()
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}
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return nil
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}
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func (c *httpComponent) needReload() bool {
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enabled := cfg.GetBool(c.name + enabledKeyPostfix)
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address := cfg.GetString(c.name + addressKeyPostfix)
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dur := cfg.GetDuration(c.name + shutdownTimeoutKeyPostfix)
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return enabled != c.enabled || enabled && (address != c.address || dur != c.shutdownDur)
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}
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func (c *httpComponent) reload() {
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log.Info("reload " + c.name)
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if c.needReload() {
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log.Info(c.name + " config updated")
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if err := c.shutdown(); err != nil {
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log.Debug(logs.FrostFSIRCouldNotShutdownHTTPServer,
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zap.String("error", err.Error()),
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)
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} else {
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c.init()
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c.start()
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}
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}
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}
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