commit f92aed4a8aa6b0cb3e2132d3d2582ecc274110ce
Author: Michele Fadda <mikif70@gmail.com>
Date:   Mon Jul 20 14:08:22 2015 +0200

    consolida tutti i lastlogin di un utente per giorno

diff --git a/lastlogin_consolidate.go b/lastlogin_consolidate.go
new file mode 100644
index 0000000..ffdd0a5
--- /dev/null
+++ b/lastlogin_consolidate.go
@@ -0,0 +1,177 @@
+// lastlogin_consolidate
+package main
+
+import (
+	"flag"
+	"fmt"
+	"gopkg.in/mgo.v2"
+	"gopkg.in/mgo.v2/bson"
+	"log"
+	"os"
+	"path"
+	"path/filepath"
+	"time"
+)
+
+const (
+	_VERSION = "v0.1"
+	_tformat = "2006-01-02"
+)
+
+var (
+	opts = Options{
+		MongoUri:  "mongodb://10.39.81.85:27018",
+		LogFile:   "log/llmongo.log",
+		StartDate: time.Now().Add(-24 * time.Hour).Format(_tformat),
+	}
+)
+
+type Options struct {
+	MongoUri  string
+	mdb       *mgo.Session
+	ll        *mgo.Collection
+	lc        *mgo.Collection
+	StartDate string
+	LogFile   string
+	Version   bool
+}
+
+type LastLogin struct {
+	User     string    `json: "user"`
+	Protocol string    `json: "protocol"`
+	IP       string    `json: "ip"`
+	Date     time.Time `json: "date"`
+	ID       string    `json: "_id"`
+}
+
+type LastloginDay struct {
+	User      string    `json:"user"`
+	Date      time.Time `json:"date"`
+	Protocols Protocols `json:"protocols"`
+	IPs       []IPs     `json:"ips"`
+}
+
+type IPs struct {
+	IP   string    `json:"ip"`
+	Date time.Time `json:"date"`
+}
+
+type Protocols struct {
+	Pop  int `json:"pop"`
+	Imap int `json:"imap"`
+	Web  int `json:"web"`
+}
+
+type Index struct {
+	User string    `json:"user"`
+	Date time.Time `json:"date"`
+}
+
+func usage() {
+	fmt.Println("Usage: llmongo -m <mongo uri> -l <logfile> -d <date> -v\n")
+	os.Exit(0)
+}
+
+func init() {
+	current, err := filepath.Abs(filepath.Dir(os.Args[0]))
+	if err != nil {
+		log.Fatal(err)
+	}
+
+	opts.LogFile = path.Join(current, opts.LogFile)
+
+	flag.StringVar(&opts.MongoUri, "m", opts.MongoUri, "Mongodb")
+	flag.StringVar(&opts.LogFile, "l", opts.LogFile, "Logs filename")
+	flag.StringVar(&opts.StartDate, "d", opts.StartDate, "Date")
+	flag.BoolVar(&opts.Version, "v", false, "Version")
+}
+
+func connectMongo() {
+	var err error
+	opts.mdb, err = mgo.Dial(opts.MongoUri)
+	if err != nil {
+		log.Println("Mongodb connect Error: ", err.Error())
+		os.Exit(-3)
+	}
+	opts.ll = opts.mdb.DB("dovecot").C("lastlogin")
+	opts.lc = opts.mdb.DB("dovecot").C("lastlogin_day")
+}
+
+func main() {
+
+	flag.Usage = usage
+	flag.Parse()
+
+	if opts.Version {
+		fmt.Println(os.Args[0], _VERSION)
+		os.Exit(0)
+	}
+
+	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)
+	}
+
+	log.SetOutput(fs)
+	//	log.SetPrefix("[llmongo] ")
+
+	start := time.Now()
+	fmt.Printf("Start: %+v\n", opts)
+	log.Printf("Start: %+v\n", opts)
+
+	connectMongo()
+	defer opts.mdb.Close()
+
+	y, err := time.Parse(_tformat, opts.StartDate)
+	if err != nil {
+		fmt.Println("Date Error: ", err)
+		os.Exit(-1)
+	}
+
+	fmt.Println(y)
+
+	ys := time.Date(y.Year(), y.Month(), y.Day(), 0, 0, 0, 0, time.UTC)
+	ye := time.Date(y.Year(), y.Month(), y.Day(), 23, 59, 59, 0, time.UTC)
+
+	fmt.Println(ys, ye)
+
+	q := opts.ll.Find(bson.M{"date": bson.M{"$gte": ys, "$lte": ye}}).Sort("user")
+
+	ar := []string{}
+	q.Distinct("user", &ar)
+
+	for u := range ar {
+		ll := LastloginDay{}
+		ll.User = ar[u]
+		ll.Date = ys
+		fmt.Println(ar[u])
+		nq := opts.ll.Find(bson.M{"date": bson.M{"$gte": ys, "$lte": ye}, "user": ar[u]})
+		iter := nq.Iter()
+		result := LastLogin{}
+		ips := []IPs{}
+		for iter.Next(&result) {
+			fmt.Printf("Ip: %s - %s\n", result.IP, result.Date)
+			ips = append(ips, IPs{IP: result.IP, Date: result.Date})
+			switch result.Protocol {
+			case "pop3", "pop":
+				ll.Protocols.Pop += 1
+			case "imap":
+				ll.Protocols.Imap += 1
+			case "web":
+				ll.Protocols.Web += 1
+			}
+		}
+		if err := iter.Close(); err != nil {
+			fmt.Println("Iter: ", err)
+		}
+		ll.IPs = ips
+		fmt.Printf("%+v\n", ll)
+		_, err := opts.lc.Upsert(Index{User: ll.User, Date: ll.Date}, ll)
+		if err != nil {
+			fmt.Println("Insert error: ", err)
+		}
+	}
+
+	fmt.Println("Stop: ", time.Since(start))
+}