Align with go library layout

1 files changed, 0 insertions, 196 deletions

diff --git a/src/main.go b/src/main.go
deleted file mode 100644
index b12bb09..0000000
--- a/src/main.go
+++ /dev/null
@@ -1,196 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"os"
-	"os/signal"
-	"runtime"
-	"strconv"
-)
-
-const (
-	ExitSetupSuccess = 0
-	ExitSetupFailed  = 1
-)
-
-const (
-	ENV_WG_TUN_FD  = "WG_TUN_FD"
-	ENV_WG_UAPI_FD = "WG_UAPI_FD"
-)
-
-func printUsage() {
-	fmt.Printf("usage:\n")
-	fmt.Printf("%s [-f/--foreground] INTERFACE-NAME\n", os.Args[0])
-}
-
-func main() {
-
-	// parse arguments
-
-	var foreground bool
-	var interfaceName string
-	if len(os.Args) < 2 || len(os.Args) > 3 {
-		printUsage()
-		return
-	}
-
-	switch os.Args[1] {
-
-	case "-f", "--foreground":
-		foreground = true
-		if len(os.Args) != 3 {
-			printUsage()
-			return
-		}
-		interfaceName = os.Args[2]
-
-	default:
-		foreground = false
-		if len(os.Args) != 2 {
-			printUsage()
-			return
-		}
-		interfaceName = os.Args[1]
-	}
-
-	// get log level (default: info)
-
-	logLevel := func() int {
-		switch os.Getenv("LOG_LEVEL") {
-		case "debug":
-			return LogLevelDebug
-		case "info":
-			return LogLevelInfo
-		case "error":
-			return LogLevelError
-		}
-		return LogLevelInfo
-	}()
-
-	logger := NewLogger(
-		logLevel,
-		fmt.Sprintf("(%s) ", interfaceName),
-	)
-
-	logger.Debug.Println("Debug log enabled")
-
-	// open TUN device (or use supplied fd)
-
-	tun, err := func() (TUNDevice, error) {
-		tunFdStr := os.Getenv(ENV_WG_TUN_FD)
-		if tunFdStr == "" {
-			return CreateTUN(interfaceName)
-		}
-
-		// construct tun device from supplied fd
-
-		fd, err := strconv.ParseUint(tunFdStr, 10, 32)
-		if err != nil {
-			return nil, err
-		}
-
-		file := os.NewFile(uintptr(fd), "")
-		return CreateTUNFromFile(interfaceName, file)
-	}()
-
-	if err != nil {
-		logger.Error.Println("Failed to create TUN device:", err)
-		os.Exit(ExitSetupFailed)
-	}
-
-	// open UAPI file (or use supplied fd)
-
-	fileUAPI, err := func() (*os.File, error) {
-		uapiFdStr := os.Getenv(ENV_WG_UAPI_FD)
-		if uapiFdStr == "" {
-			return UAPIOpen(interfaceName)
-		}
-
-		// use supplied fd
-
-		fd, err := strconv.ParseUint(uapiFdStr, 10, 32)
-		if err != nil {
-			return nil, err
-		}
-
-		return os.NewFile(uintptr(fd), ""), nil
-	}()
-
-	if err != nil {
-		logger.Error.Println("UAPI listen error:", err)
-		os.Exit(ExitSetupFailed)
-		return
-	}
-	// daemonize the process
-
-	if !foreground {
-		env := os.Environ()
-		env = append(env, fmt.Sprintf("%s=3", ENV_WG_TUN_FD))
-		env = append(env, fmt.Sprintf("%s=4", ENV_WG_UAPI_FD))
-		attr := &os.ProcAttr{
-			Files: []*os.File{
-				nil, // stdin
-				nil, // stdout
-				nil, // stderr
-				tun.File(),
-				fileUAPI,
-			},
-			Dir: ".",
-			Env: env,
-		}
-		err = Daemonize(attr)
-		if err != nil {
-			logger.Error.Println("Failed to daemonize:", err)
-			os.Exit(ExitSetupFailed)
-		}
-		return
-	}
-
-	// increase number of go workers (for Go <1.5)
-
-	runtime.GOMAXPROCS(runtime.NumCPU())
-
-	// create wireguard device
-
-	device := NewDevice(tun, logger)
-
-	logger.Info.Println("Device started")
-
-	// start uapi listener
-
-	errs := make(chan error)
-	term := make(chan os.Signal)
-
-	uapi, err := UAPIListen(interfaceName, fileUAPI)
-
-	go func() {
-		for {
-			conn, err := uapi.Accept()
-			if err != nil {
-				errs <- err
-				return
-			}
-			go ipcHandle(device, conn)
-		}
-	}()
-
-	logger.Info.Println("UAPI listener started")
-
-	// wait for program to terminate
-
-	signal.Notify(term, os.Kill)
-	signal.Notify(term, os.Interrupt)
-
-	select {
-	case <-term:
-	case <-errs:
-	case <-device.Wait():
-	}
-
-	// clean up
-
-	uapi.Close()
-	device.Close()
-
-	logger.Info.Println("Shutting down")
-}