/
main.go
62 lines (52 loc) · 1.24 KB
/
main.go
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package main
import (
"context"
"flag"
"fmt"
"os"
"os/signal"
"github.com/saiya/mesh_for_home_server/config"
"github.com/saiya/mesh_for_home_server/logger"
"github.com/saiya/mesh_for_home_server/server"
)
var debugFlag = flag.Bool("debug", false, "shows DEBUG logs")
func main() {
err := mainImpl()
if err != nil {
fmt.Fprintln(os.Stderr, err.Error())
os.Exit(1)
}
}
func mainImpl() error {
flag.Parse()
args := flag.Args()
if len(args) != 1 {
return fmt.Errorf("must give configuration file path in command line argument")
}
if *debugFlag {
logger.EnableDebugLog()
}
cfgInput, err := os.Open(args[0])
if err != nil {
return fmt.Errorf("cannot open configuration file \"%s\": %w", args[0], err)
}
cfg, err := config.ParseConfig(cfgInput)
if err != nil {
return fmt.Errorf("invalid configuration file: %w", err)
}
if err := cfgInput.Close(); err != nil {
logger.Get().Warnf("cannot close configuration file: %w", err)
}
srv, err := server.StartServer(cfg)
if err != nil {
return fmt.Errorf("failed to initialize server: %w", err)
}
interruptCh := make(chan os.Signal, 1)
signal.Notify(interruptCh, os.Interrupt)
go func() {
<-interruptCh
srv.Close(context.Background())
}()
srv.AwaitTerminate()
return nil
}