mirror of
https://github.com/hibiken/asynq.git
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116 lines
2.3 KiB
Go
116 lines
2.3 KiB
Go
// Copyright 2020 Kentaro Hibino. All rights reserved.
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// Use of this source code is governed by a MIT license
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// that can be found in the LICENSE file.
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package asynq_test
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import (
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"fmt"
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"log"
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"os"
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"os/signal"
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"time"
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"github.com/hibiken/asynq"
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"golang.org/x/sys/unix"
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)
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func ExampleServer_Run() {
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srv := asynq.NewServer(
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asynq.RedisClientOpt{Addr: ":6379"},
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asynq.Config{Concurrency: 20},
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)
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h := asynq.NewServeMux()
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// ... Register handlers
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// Run blocks and waits for os signal to terminate the program.
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if err := srv.Run(h); err != nil {
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log.Fatal(err)
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}
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}
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func ExampleServer_Stop() {
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srv := asynq.NewServer(
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asynq.RedisClientOpt{Addr: ":6379"},
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asynq.Config{Concurrency: 20},
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)
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h := asynq.NewServeMux()
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// ... Register handlers
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if err := srv.Start(h); err != nil {
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log.Fatal(err)
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}
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, unix.SIGTERM, unix.SIGINT)
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<-sigs // wait for termination signal
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srv.Stop()
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}
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func ExampleServer_Quiet() {
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srv := asynq.NewServer(
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asynq.RedisClientOpt{Addr: ":6379"},
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asynq.Config{Concurrency: 20},
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)
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h := asynq.NewServeMux()
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// ... Register handlers
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if err := srv.Start(h); err != nil {
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log.Fatal(err)
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}
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sigs := make(chan os.Signal, 1)
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signal.Notify(sigs, unix.SIGTERM, unix.SIGINT, unix.SIGTSTP)
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// Handle SIGTERM, SIGINT to exit the program.
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// Handle SIGTSTP to stop processing new tasks.
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for {
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s := <-sigs
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if s == unix.SIGTSTP {
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srv.Quiet() // stop processing new tasks
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continue
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}
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break
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}
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srv.Stop()
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}
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func ExampleScheduler() {
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scheduler := asynq.NewScheduler(
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asynq.RedisClientOpt{Addr: ":6379"},
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&asynq.SchedulerOpts{Location: time.Local},
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)
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if _, err := scheduler.Register("* * * * *", asynq.NewTask("task1", nil)); err != nil {
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log.Fatal(err)
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}
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if _, err := scheduler.Register("@every 30s", asynq.NewTask("task2", nil)); err != nil {
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log.Fatal(err)
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}
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// Run blocks and waits for os signal to terminate the program.
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if err := scheduler.Run(); err != nil {
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log.Fatal(err)
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}
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}
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func ExampleParseRedisURI() {
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rconn, err := asynq.ParseRedisURI("redis://localhost:6379/10")
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if err != nil {
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log.Fatal(err)
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}
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r, ok := rconn.(asynq.RedisClientOpt)
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if !ok {
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log.Fatal("unexpected type")
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}
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fmt.Println(r.Addr)
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fmt.Println(r.DB)
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// Output:
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// localhost:6379
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// 10
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}
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