gearman-go/example/worker/worker.go

package main

import (
    "os"
    "log"
    "time"
    "strings"
    "github.com/mikespook/golib/signal"
    "github.com/mikespook/gearman-go/worker"
)

func ToUpper(job worker.Job) ([]byte, error) {
    log.Printf("ToUpper: Data=[%s]\n", job.Data())
    data := []byte(strings.ToUpper(string(job.Data())))
    return data, nil
}

func ToUpperDelay10(job worker.Job) ([]byte, error) {
    log.Printf("ToUpper: Data=[%s]\n", job.Data())
    time.Sleep(10 * time.Second)
    data := []byte(strings.ToUpper(string(job.Data())))
    return data, nil
}

func main() {
    log.Println("Starting ...")
    defer log.Println("Shutdown complete!")
    w := worker.New(worker.Unlimited)
    defer w.Close()
	w.ErrorHandler = func(e error) {
        log.Println(e)
        if e == worker.ErrConnection {
            proc, err := os.FindProcess(os.Getpid())
            if err != nil {
                log.Println(err)
            }
            if err := proc.Signal(os.Interrupt); err != nil {
                log.Println(err)
            }
        }
    }
    w.JobHandler = func(job worker.Job) error {
        log.Printf("Data=%s\n", job.Data())
        return nil
    }
    w.AddServer("tcp4", "127.0.0.1:4730")
    w.AddFunc("ToUpper", ToUpper, worker.Immediately)
    w.AddFunc("ToUpperTimeOut5", ToUpperDelay10, 5)
    w.AddFunc("ToUpperTimeOut20", ToUpperDelay10, 20)
    w.AddFunc("SysInfo", worker.SysInfo, worker.Immediately)
    w.AddFunc("MemInfo", worker.MemInfo, worker.Immediately)
    go w.Work()
    sh := signal.NewHandler()
    sh.Bind(os.Interrupt, func() bool {return true})
    sh.Loop()
}