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package main
import (
"context"
"database/sql"
"flag"
"fmt"
"os"
"os/signal"
"syscall"
"time"
"github.com/jedib0t/go-pretty/table"
"github.com/jedib0t/go-pretty/text"
_ "github.com/mattn/go-sqlite3"
"github.com/sirupsen/logrus"
"google.golang.org/grpc"
"go.rikki.moe/v2stat/command"
)
var (
flagInterval = flag.Int("interval", 300, "Interval in seconds to record stats")
flagDatabase = flag.String("db", "", "Path to SQLite database")
flagServer = flag.String("server", "127.0.0.1:8080", "V2Ray API server address")
flagLogLevel = flag.String("log-level", "info", "Log level (debug, info, warn, error, fatal, panic)")
)
var DefaultDBPaths = []string{
"v2stat.db",
"traffic.db",
"/var/lib/v2stat/traffic.db",
"/usr/local/share/v2stat/traffic.db",
"/opt/apps/v2stat/traffic.db",
}
type V2Stat struct {
logger *logrus.Logger
db *sql.DB
stat command.StatsServiceClient
}
func main() {
flag.Parse()
args := flag.Args()
if len(args) < 1 {
fmt.Println("Usage: v2stat <command> [args]")
fmt.Println("Available commands: daemon, query")
os.Exit(1)
}
logger := setupLogger(*flagLogLevel)
db := setupDatabase(logger, *flagDatabase)
defer db.Close()
v2stat := &V2Stat{
logger: logger,
db: db,
}
switch args[0] {
case "daemon":
conn, err := grpc.NewClient(*flagServer, grpc.WithInsecure())
if err != nil {
logger.Fatalf("Failed to dial gRPC server: %v", err)
}
defer conn.Close()
v2stat.stat = command.NewStatsServiceClient(conn)
runServer(v2stat)
case "query":
handleQuery(v2stat, args[1:])
default:
fmt.Println("Unknown command:", args[0])
fmt.Println("Available commands: daemon, query")
os.Exit(1)
}
}
func setupLogger(levelStr string) *logrus.Logger {
level, err := logrus.ParseLevel(levelStr)
if err != nil {
logrus.Fatalf("Invalid log level: %v", err)
}
logger := logrus.New()
logger.SetLevel(level)
return logger
}
func setupDatabase(logger *logrus.Logger, dbpath string) *sql.DB {
if dbpath == "" {
for _, path := range DefaultDBPaths {
if _, err := os.Stat(path); err == nil {
dbpath = path
break
}
}
if dbpath == "" {
logger.Fatal("No database path provided and no default database found.")
}
}
logger.Infof("Using database: %s", dbpath)
db, err := sql.Open("sqlite3", dbpath)
if err != nil {
logger.Fatalf("Failed to open database: %v", err)
}
return db
}
func runServer(v2stat *V2Stat) {
logger := v2stat.logger
if err := v2stat.InitDB(); err != nil {
logger.Fatalf("Failed to initialize database: %v", err)
}
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
sigCh := make(chan os.Signal, 1)
signal.Notify(sigCh, syscall.SIGINT, syscall.SIGTERM)
defer signal.Stop(sigCh)
ticker := time.NewTicker(time.Duration(*flagInterval) * time.Second)
defer ticker.Stop()
for {
logger.Info("Recording stats...")
if err := v2stat.RecordNow(ctx); err != nil {
logger.Errorf("Failed to record stats: %v", err)
}
select {
case <-ticker.C:
continue
case <-sigCh:
logger.Info("Received shutdown signal, exiting.")
return
case <-ctx.Done():
logger.Info("Context canceled, exiting.")
return
}
}
}
func handleQuery(v2stat *V2Stat, args []string) {
if len(args) == 0 {
fmt.Println("Usage: v2stat query <connection_name>")
fmt.Println("Available connections:")
conns, err := v2stat.QueryConn()
if err != nil {
v2stat.logger.Fatalf("Failed to query connection: %v", err)
}
for _, c := range conns {
fmt.Printf("\t%s\n", c.String())
}
return
}
connStr := args[0]
conn, ok := ParseConnInfo(connStr)
if !ok {
v2stat.logger.Fatalf("Invalid connection format: %s", connStr)
}
stats, err := v2stat.QueryStatsHourly(&conn)
if err != nil {
v2stat.logger.Fatalf("Failed to query stats: %v", err)
}
printStatsTable(stats)
}
func printStatsTable(stats []TrafficStat) {
tb := table.NewWriter()
tb.SetOutputMirror(os.Stdout)
tb.AppendHeader(table.Row{"Time", "Downlink", "Uplink"})
var totalDown, totalUp int64
for _, stat := range stats {
totalDown += stat.Downlink
totalUp += stat.Uplink
tb.AppendRow(table.Row{stat.Time, sizeToHuman(stat.Downlink), sizeToHuman(stat.Uplink)})
}
tb.AppendFooter(table.Row{"Total", sizeToHuman(totalDown), sizeToHuman(totalUp)})
style := table.StyleLight
style.Format.Footer = text.FormatDefault
tb.SetStyle(style)
tb.Render()
}
func sizeToHuman(size int64) string {
units := []string{"B", "KiB", "MiB", "GiB", "TiB"}
value := float64(size)
for _, unit := range units {
if value < 1024 {
return fmt.Sprintf("%7.2f %s", value, unit)
}
value /= 1024
}
return fmt.Sprintf("%7.2f %s", value, "PiB")
}
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