mirror of
https://github.com/kataras/iris.git
synced 2025-01-23 18:51:03 +01:00
60 lines
1.6 KiB
Go
60 lines
1.6 KiB
Go
package main
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import (
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"context"
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"time"
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"github.com/kataras/iris/v12"
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)
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func main() {
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app := iris.New()
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app.Get("/", func(ctx iris.Context) {
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ctx.HTML("<h1>Hello, try to refresh the page after ~5 secs</h1>")
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})
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app.Logger().Info("Wait 5 seconds and check your terminal again")
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// simulate a shutdown action here...
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go func() {
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<-time.After(5 * time.Second)
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timeout := 10 * time.Second
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ctx, cancel := context.WithTimeout(context.Background(), timeout)
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defer cancel()
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// close all hosts, this will notify the callback we had register
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// inside the `configureHost` func.
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app.Shutdown(ctx)
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}()
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// app.ConfigureHost(configureHost) -> or pass "configureHost" as `app.Addr` argument, same result.
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// start the server as usual, the only difference is that
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// we're adding a second (optional) function
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// to configure the just-created host supervisor.
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//
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// http://localhost:8080
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// wait 10 seconds and check your terminal.
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app.Run(iris.Addr(":8080", configureHost), iris.WithoutServerError(iris.ErrServerClosed))
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time.Sleep(500 * time.Millisecond) // give time to the separate go routine(`onServerShutdown`) to finish.
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/* See
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iris.RegisterOnInterrupt(callback) for global catch of the CTRL/CMD+C and OS events.
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Look at the "graceful-shutdown" example for more.
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*/
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}
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func onServerShutdown() {
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println("server is closed")
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}
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func configureHost(su *iris.Supervisor) {
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// here we have full access to the host that will be created
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// inside the `app.Run` function or `NewHost`.
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//
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// we're registering a shutdown "event" callback here:
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su.RegisterOnShutdown(onServerShutdown)
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// su.RegisterOnError
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// su.RegisterOnServe
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}
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