mongo2rethink/main.go

// llmongo.go
package m2r

import (
	"flag"
	"fmt"
	"log"
	"os"
	"sync"
	"time"
)

const (
	_Version  = "v1.0.0"
	_Producer = 0
	_Consumer = 1
	_Remover  = 2
)

var (
	loop bool

	done    chan bool
	consume chan produced

	wg sync.WaitGroup

	status int

	count *Counter
)

func main() {
	flag.Usage = usage
	flag.Parse()

	if opts.Version {
		fmt.Println(os.Args[0], _Version)
		os.Exit(0)
	}

	if opts.Hostname == "" {
		var err error
		opts.Hostname, err = os.Hostname()
		if err != nil {
			fmt.Println("Hostname error: ", err.Error())
		}
	}

	setTerm()

	fs, err := os.OpenFile(opts.LogFile, os.O_WRONLY|os.O_APPEND|os.O_CREATE, 0666)
	if err != nil {
		fmt.Println("Log file error: ", err.Error())
		os.Exit(-4)
	}
	defer fs.Close()

	log.SetOutput(fs)

	pid.PIDFile = opts.Pidfile
	pid.Write(true)
	defer pid.Remove()

	start := time.Now()
	fmt.Printf("Start: %+v\n", opts)
	log.Printf("Start: %+v\n", opts)

	opts.Month = start.Format("0601")

	dbs.connectMongo()
	defer dbs.Mongo.Close()

	dbs.poolRethink()
	defer dbs.Rethink.Close()

	if opts.Timeout > 0 {
		time.AfterFunc(opts.Timeout, exit)
	}

	count = NewCounter()

	consume = make(chan produced)
	loop = true
	done = make(chan bool)

	go producer()
	go consumer()

	<-done
	fmt.Printf("Done\n")
	close(done)

	fmt.Println("Waiting WG")
	wg.Wait()

	count.SetTime(time.Since(start))

	fmt.Printf("Stop %v - user: %d - login: %d - insert: %d - errors: %d - rem: %d - duplicate: %d\n\r", count.GetTime(), count.GetUser(), count.GetLog(), count.GetInsert(), count.GetErr(), count.GetRem(), count.GetDup())
	log.Printf("Stop %v - user: %d - login: %d - insert: %d - errors: %d - rem: %d - duplicate: %d\n\r", count.GetTime(), count.GetUser(), count.GetLog(), count.GetInsert(), count.GetErr(), count.GetRem(), count.GetDup())
}