commit 0c9c9710ceeaefbd09fde6362cb8f009ed47936b
Author: Michele <mikif70@gmail.com>
Date:   Fri Mar 10 13:40:26 2017 +0100

    first commit

diff --git a/consumer.go b/consumer.go
new file mode 100644
index 0000000..76289bf
--- /dev/null
+++ b/consumer.go
@@ -0,0 +1,79 @@
+// consumer
+package main
+
+import (
+	"crypto/sha256"
+	"encoding/hex"
+	"fmt"
+	"log"
+	//	"strconv"
+	//	"strings"
+	"time"
+
+	//	"gopkg.in/mgo.v2"
+)
+
+type consumed struct {
+	user   string
+	error  bool
+	logins []string
+}
+
+func hash(val []byte) string {
+
+	h := sha256.New()
+	h.Write(val)
+
+	return hex.EncodeToString(h.Sum(nil))
+}
+
+func consumer() {
+
+	for {
+
+		prod := <-consume
+
+		start := time.Now()
+
+		status = _Consumer
+
+		if opts.Test {
+			fmt.Printf("CONS: users - %d\n", len(prod))
+		}
+
+		//		for j := range dbs.mdb {
+		bulk := dbs.mdb.DB("quota").C("tiscali").Bulk()
+		bulk.Unordered()
+
+		for p := range prod {
+			mquota := MongoQuota{
+				User:     prod[p].user,
+				Messages: prod[p].messages,
+				Storage:  prod[p].storage,
+				Insert:   time.Now(),
+			}
+
+			bulk.Insert(mquota)
+
+			if opts.Test {
+				log.Printf("OK: %s\n", prod[p].user)
+			}
+		}
+
+		_, err := bulk.Run()
+		if err != nil {
+			fmt.Printf("Err: %+v\n", err)
+			counter <- Counterchan{
+				tipo: "err",
+				val:  1,
+			}
+			continue
+		}
+
+		if opts.Debug {
+			fmt.Printf("CONS: users=%d in %v - active=%d\n", len(prod), time.Since(start), dbs.rdb.ActiveCount())
+		}
+
+		//wg.Done()
+	}
+}
diff --git a/counter.go b/counter.go
new file mode 100644
index 0000000..0c9a9cc
--- /dev/null
+++ b/counter.go
@@ -0,0 +1,144 @@
+// counter
+package main
+
+import (
+	"sync"
+	"time"
+)
+
+type Counterchan struct {
+	tipo string
+	val  int
+}
+
+// Counter structure
+type Counter struct {
+	mu     sync.Mutex
+	user   int
+	insert int
+	err    int
+	dup    int
+	time   time.Duration
+	wg     int
+}
+
+// NewCounter iniitialized Counter structure
+func NewCounter() *Counter {
+	return &Counter{
+		user:   0,
+		insert: 0,
+		err:    0,
+		dup:    0,
+		time:   0,
+		wg:     0,
+	}
+}
+
+func (c *Counter) Run() {
+	for {
+		tocount := <-counter
+
+		switch tocount.tipo {
+		case "user":
+			c.addUser()
+		case "dup":
+			c.addDuplicate(tocount.val)
+		case "ins":
+			c.addInsert(tocount.val)
+		case "wg":
+			if tocount.val > 0 {
+				c.addWG()
+			} else {
+				c.delWG()
+			}
+		case "err":
+			c.addErr(tocount.val)
+
+		}
+	}
+}
+
+// AddUser increment number of users managed
+func (c *Counter) addUser() {
+	c.user++
+}
+
+// AddDuplicate increment number of duplicates log
+func (c *Counter) addDuplicate(add int) {
+	c.dup += add
+}
+
+// AddInsert increment number of inserted rows
+func (c *Counter) addInsert(add int) {
+	c.insert += add
+}
+
+// AddWG ...
+func (c *Counter) addWG() {
+	c.wg++
+}
+
+// AddErr ...
+func (c *Counter) addErr(add int) {
+	c.err += add
+}
+
+// DelWG ...
+func (c *Counter) delWG() {
+	c.wg--
+}
+
+// GetUser return total users
+func (c *Counter) GetUser() (ret int) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	ret = c.user
+	return
+}
+
+// GetDup return total duplicated logins
+func (c *Counter) GetDup() (ret int) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	ret = c.dup
+	return
+}
+
+// GetInsert return total inserted rows
+func (c *Counter) GetInsert() (ret int) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	ret = c.insert
+	return
+}
+
+// GetErr return total errors
+func (c *Counter) GetErr() (ret int) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	ret = c.err
+	return
+}
+
+// GetWG ...
+func (c *Counter) GetWG() (ret int) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	ret = c.wg
+	return
+}
+
+// GetTime ...
+func (c *Counter) GetTime() (ret float64) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	ret = c.time.Seconds()
+	return
+}
+
+// SetTime ...
+func (c *Counter) SetTime(t time.Duration) {
+	c.mu.Lock()
+	defer c.mu.Unlock()
+	c.time = t
+}
diff --git a/dbs.go b/dbs.go
new file mode 100644
index 0000000..4de0902
--- /dev/null
+++ b/dbs.go
@@ -0,0 +1,85 @@
+// dbs
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	//	"strings"
+	"time"
+
+	"github.com/garyburd/redigo/redis"
+
+	"gopkg.in/mgo.v2"
+)
+
+var (
+	dbs = Dbs{
+		RedisURI: "127.0.0.1:6379",
+		Database: "lastlogin",
+	}
+)
+
+// Dbs structure
+type Dbs struct {
+	MongoURI string
+	Database string
+	RedisURI string
+	rdb      *redis.Pool //*redis.Client
+	mdb      *mgo.Session
+}
+
+// MongoQuota structure
+type MongoQuota struct {
+	//	ID       string    `json:"_id" bson:"_id"`
+	User     string    `json:"user" bson:"user"`
+	Messages int       `json:"messages" bson:"messages"`
+	Storage  int       `json:"storage" bson:"storage"`
+	Insert   time.Time `json:"insert" bson:"insert"`
+}
+
+func (db *Dbs) isMongodb() bool {
+	if db.MongoURI != "" {
+		return true
+	}
+
+	return false
+}
+
+func (db *Dbs) poolRedis() {
+
+	dbs.rdb = &redis.Pool{
+		MaxIdle:     128,
+		MaxActive:   1000,
+		Wait:        true,
+		IdleTimeout: 1 * time.Second,
+		Dial: func() (redis.Conn, error) {
+			c, err := redis.Dial("tcp", db.RedisURI)
+			if err != nil {
+				return nil, err
+			}
+			return c, err
+		},
+		TestOnBorrow: func(c redis.Conn, t time.Time) error {
+			_, err := c.Do("PING")
+			return err
+		},
+	}
+
+}
+
+func (db *Dbs) connectMongo() {
+
+	//	mongoList := strings.Split(db.MongoURI, ",")
+
+	//	for m := range mongoList {
+	nm, err := mgo.Dial(fmt.Sprintf("mongodb://%s", db.MongoURI))
+	if err != nil {
+		log.Println("Mongodb connect Error: ", err.Error())
+		os.Exit(-3)
+	}
+	nm.SetSocketTimeout(5 * time.Second)
+	nm.SetSyncTimeout(5 * time.Second)
+	db.mdb = nm
+	//	}
+}
diff --git a/main.go b/main.go
new file mode 100644
index 0000000..5d89e1c
--- /dev/null
+++ b/main.go
@@ -0,0 +1,98 @@
+// llmongo.go
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"sync"
+	"time"
+)
+
+const (
+	_Version  = "v1.0.0"
+	_Producer = 0
+	_Consumer = 1
+)
+
+var (
+	loop bool
+
+	done    chan bool
+	consume chan []userQuota
+
+	counter chan Counterchan
+
+	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)
+	}
+
+	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.poolRedis()
+	defer dbs.rdb.Close()
+
+	dbs.connectMongo()
+	defer dbs.mdb.Close()
+
+	if opts.Timeout > 0 {
+		time.AfterFunc(opts.Timeout, exit)
+	}
+
+	count = NewCounter()
+
+	consume = make(chan []userQuota, opts.Queue)
+	loop = true
+	done = make(chan bool)
+	counter = make(chan Counterchan)
+
+	go count.Run()
+	go producer()
+	for i := 0; i < opts.Queue; i++ {
+		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\n\r", count.GetTime(), count.GetUser())
+	log.Printf("Stop %v - user: %d\n\r", count.GetTime(), count.GetUser())
+}
diff --git a/options.go b/options.go
new file mode 100644
index 0000000..b394e0a
--- /dev/null
+++ b/options.go
@@ -0,0 +1,64 @@
+// options
+package main
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+	"path"
+	"path/filepath"
+	"time"
+)
+
+// Options structure
+type Options struct {
+	CurrentPath string
+	Exe         string
+	LogFile     string
+	ConfigFile  string
+	Timeout     time.Duration
+	Debug       bool
+	Test        bool
+	Version     bool
+	MaxBulk     int
+	Month       string
+	Pidfile     string
+	Queue       int
+}
+
+var (
+	opts = Options{
+		LogFile: "log/llmongo.log",
+	}
+)
+
+func usage() {
+	fmt.Println("Usage: llmongo -m <mongo uri> -r <redis uri> -t <redis keys ttl> -l <logfile> -T <running ttl> -x <xymon server> -H <hostname> -i <influxdb uri> -v")
+	fmt.Println()
+	os.Exit(0)
+}
+
+func init() {
+	var err error
+	opts.CurrentPath, err = filepath.Abs(filepath.Dir(os.Args[0]))
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	opts.LogFile = path.Join(opts.CurrentPath, opts.LogFile)
+	opts.Pidfile = path.Join(opts.CurrentPath, "run", path.Base(os.Args[0])+".pid")
+	opts.Exe = path.Base(os.Args[0])
+
+	flag.StringVar(&dbs.MongoURI, "m", "", "Mongodb")
+	flag.StringVar(&dbs.Database, "d", dbs.Database, "Mongodb Database")
+	flag.StringVar(&dbs.RedisURI, "r", dbs.RedisURI, "Redis")
+	flag.StringVar(&opts.LogFile, "l", opts.LogFile, "Logs filename")
+	flag.BoolVar(&opts.Version, "v", false, "Version")
+	flag.DurationVar(&opts.Timeout, "T", 0, "Running timeout")
+	flag.BoolVar(&opts.Debug, "D", false, "Debug")
+	flag.BoolVar(&opts.Test, "DD", false, "Test")
+	flag.IntVar(&opts.MaxBulk, "M", 100, "Max Mongodb bulk")
+	flag.IntVar(&opts.Queue, "q", 2, "parallel consumer")
+	flag.StringVar(&opts.Pidfile, "p", opts.Pidfile, "pid file")
+}
diff --git a/pid.go b/pid.go
new file mode 100644
index 0000000..5ccc2e5
--- /dev/null
+++ b/pid.go
@@ -0,0 +1,85 @@
+// pid
+package main
+
+import (
+	"bytes"
+	"fmt"
+	"io/ioutil"
+	"log"
+	"os"
+	"path"
+	"strconv"
+	"strings"
+)
+
+var (
+	pid = PID{}
+)
+
+// PID structure
+type PID struct {
+	PID     string
+	PIDFile string
+}
+
+// verifica se esiste il PIDFile;
+// se esiste legge il PID e controlla se e' running il processo associato
+func (p *PID) check() bool {
+	bpid, err := ioutil.ReadFile(p.PIDFile)
+	p.PID = strings.TrimRight(string(bpid), "\n")
+	if err == nil && p.readCmd() {
+		return true
+	}
+	return false
+}
+
+// controlla se esiste il processo associato al PID,
+// se il cmd e' lo stesso e se e' in esecuzione.
+func (p *PID) readCmd() bool {
+	bcmd, err := ioutil.ReadFile(path.Join("/proc", p.PID, "cmdline"))
+	// non esiste la dir relativa al PID su /proc
+	if err != nil {
+		fmt.Println("cmdline error: ", err)
+		return false
+	}
+	cmd := bytes.Trim(bcmd, "\x00")
+	if !strings.Contains(string(cmd), opts.Exe) {
+		fmt.Printf("PID %s used by %s\n", pid, cmd)
+	}
+	return true
+}
+
+// scrive il PID nel PIDFile
+func (p *PID) Write(l bool) {
+
+	if p.check() {
+		if l {
+			log.Println("Running: ", p.PID)
+		} else {
+			fmt.Println("Running: ", p.PID)
+		}
+
+		os.Exit(-6)
+	}
+
+	fpid, err := os.OpenFile(p.PIDFile, os.O_WRONLY|os.O_CREATE, 0666)
+	if err != nil {
+		if l {
+			log.Println("PID file error: ", err.Error())
+		} else {
+			fmt.Println("PID file error: ", err.Error())
+		}
+
+		os.Exit(-5)
+	}
+	fpid.WriteString(strconv.Itoa(os.Getpid()))
+	fpid.Close()
+}
+
+// Remove cancella il PIDFile
+func (p *PID) Remove() {
+	err := os.Remove(p.PIDFile)
+	if err != nil {
+		fmt.Println("RM file error: ", err.Error())
+	}
+}
diff --git a/producer.go b/producer.go
new file mode 100644
index 0000000..246dd2b
--- /dev/null
+++ b/producer.go
@@ -0,0 +1,117 @@
+// iterator
+package main
+
+import (
+	"fmt"
+	"log"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/garyburd/redigo/redis"
+)
+
+type userQuota struct {
+	user     string
+	storage  int
+	messages int
+}
+
+type produced struct {
+	user   string
+	logins []string
+}
+
+func producer() {
+	conn := dbs.rdb.Get()
+	defer conn.Close()
+
+	keys, err := redis.Strings(conn.Do("KEYS", "*"))
+
+	if err != nil {
+		if opts.Debug {
+			fmt.Printf("Keys error: %v\n", err)
+		}
+		log.Printf("Keys error: %v\n", err)
+		exit()
+	}
+
+	users := make(map[string]bool)
+
+	for _, key := range keys {
+		user := key[:strings.Index(key, "@")]
+		users[user] = true
+	}
+
+	uq := make([]userQuota, 0)
+	max := 0
+
+	for key, _ := range users {
+
+		if !loop {
+			break
+		}
+
+		//		wg.Wait()
+		status = _Producer
+
+		start := time.Now()
+		if opts.Test {
+			fmt.Printf("MGET: %s (%d)\n", key, max)
+		}
+		// estrae un userid dalla lista degli utenti che hanno fatto login
+		quota, err := redis.Strings(conn.Do("mget", fmt.Sprintf("%s@tiscali.it/quota/messages", key), fmt.Sprintf("%s@tiscali.it/quota/storage", key)))
+		// se non ci sono piu' userid esce
+		if err != nil {
+			if opts.Debug {
+				fmt.Printf("MGET err: %v\n", err)
+			}
+			log.Printf("MGET err: %v\n", err)
+			continue
+		}
+
+		counter <- Counterchan{
+			tipo: "user",
+			val:  1,
+		}
+
+		msg, err := strconv.Atoi(quota[0])
+		if err != nil {
+			msg = 0
+		}
+		store, err := strconv.Atoi(quota[1])
+		if err != nil {
+			store = 0
+		}
+
+		uq = append(uq, userQuota{
+			user:     key,
+			messages: msg,
+			storage:  store,
+		})
+
+		if opts.Test {
+			fmt.Printf("User: %s - %+v\n", key, quota)
+		}
+
+		if max >= opts.MaxBulk {
+			if opts.Debug {
+				fmt.Printf("\nPROD: %+v\n", time.Since(start))
+			}
+
+			//			wg.Add(1)
+			//			counter <- Counterchan{
+			//				tipo: "wg",
+			//				val:  1,
+			//			}
+
+			consume <- uq
+			uq = make([]userQuota, 0)
+			max = 0
+		}
+
+		max += 1
+	}
+
+	done <- true
+}
diff --git a/sigterm.go b/sigterm.go
new file mode 100644
index 0000000..79fc906
--- /dev/null
+++ b/sigterm.go
@@ -0,0 +1,39 @@
+// sigterm
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"os/signal"
+	"syscall"
+	"time"
+)
+
+func kill() {
+	log.Printf("KILL %d\n", status)
+	fmt.Printf("KILL %d\n", status)
+	wg.Done()
+	counter <- Counterchan{
+		tipo: "wg",
+		val:  -1,
+	}
+	done <- true
+}
+
+func exit() {
+	log.Printf("EXIT %d\n", status)
+	fmt.Printf("EXIT %d\n", status)
+	loop = false
+	time.AfterFunc(time.Second*20, kill)
+}
+
+func setTerm() {
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+	signal.Notify(c, syscall.SIGTERM)
+	go func() {
+		<-c
+		exit()
+	}()
+}