package main

import (
	"log"
	"net"
	"os"
	"os/signal"
	"sync"
	"syscall"
)

var (
	wg = sync.WaitGroup{}
)

func main() {
	InitSSH()
	InitGin()

	socketPath := "/tmp/mysock"
	err := os.RemoveAll(socketPath)

	if err != nil {
		log.Fatalf("error delete %s: %v", socketPath, err)
	}

	conn, err := net.ListenPacket("unixgram", socketPath)

	if err != nil {
		log.Fatalf("listen unix socket %s failed: %s", socketPath, err.Error())
	}
	err = os.Chmod(socketPath, 0666)
	if err != nil {
		log.Fatalf("chmod 666 %s failed: %v", socketPath, err)
	}

	sigChan := make(chan os.Signal, 1)
	signal.Notify(sigChan, os.Interrupt, syscall.SIGTERM)

	wg.Add(1)
	go func(wg *sync.WaitGroup) {
		select {
		case <-sigChan:
			conn.Close()
			os.Remove(socketPath)
		case <-globalCtx.Done():
			conn.Close()
			os.Remove(socketPath)
		}
		wg.Done()
	}(&wg)

	buffer := make([]byte, 16384)
	for {
		n, _, err := conn.ReadFrom(buffer)
		if err != nil {
			// log.Printf("error read unix socket: %v", err)
			globalCancelFunc()
			break
		}
		go ParseSSHLog(string(buffer[:n]))
	}
	wg.Wait()
}