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package server
import (
"net"
"os"
"os/signal"
"strconv"
"sync"
"syscall"
"github.com/kyren223/eko/internal/utils/log"
)
const PORT int = 7223
func Start() {
server, err := NewServer(6969)
if err != nil {
log.Error("Unable to start server: %v", err)
return
}
var wg sync.WaitGroup
stopChan := make(chan os.Signal, 1)
signal.Notify(stopChan, syscall.SIGINT, syscall.SIGTERM)
wg.Add(1)
go handleInterrupt(server, stopChan, &wg)
server.Listen()
wg.Wait()
}
func handleInterrupt(server *Server, stopChan <-chan os.Signal, wg *sync.WaitGroup) {
defer wg.Done()
<-stopChan
log.Info("Interrupt Occurred")
log.Info("Shutting down server...")
server.Close()
log.Info("Waiting for all connections to close")
server.Wait()
log.Info("Server has been shutdown")
}
type Server struct {
listener net.Listener
wg sync.WaitGroup
}
func NewServer(port int) (*Server, error) {
listener, err := net.Listen("tcp", ":"+strconv.Itoa(port))
if err != nil {
return nil, err
}
log.Info("Created server on port %v", port)
return &Server{listener, sync.WaitGroup{}}, nil
}
func (s *Server) Listen() {
log.Info("Server started listening... %v", s.listener.Addr().String())
for {
conn, err := s.listener.Accept()
if err != nil {
break
}
s.wg.Add(1)
go handleClient(conn, &s.wg)
}
}
// Stop stops the server. The blocked Listen call will be unlocked
func (s *Server) Close() {
s.listener.Close()
}
// Wait blocks until all active connections to the server are done
func (s *Server) Wait() {
s.wg.Wait()
}
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