"flag"
"fmt"
"github.com/jhalter/mobius/hotline"
+ "github.com/jhalter/mobius/internal/mobius"
"gopkg.in/natefinch/lumberjack.v2"
"io"
"log"
"log/slog"
"net/http"
"os"
+ "os/signal"
+ "path"
"path/filepath"
- "runtime"
+ "syscall"
)
//go:embed mobius/config
var cfgTemplate embed.FS
-const defaultPort = 5500
-
var logLevels = map[string]slog.Level{
"debug": slog.LevelDebug,
"info": slog.LevelInfo,
"error": slog.LevelError,
}
+// Values swapped in by go-releaser at build time
var (
version = "dev"
commit = "none"
func main() {
ctx, cancel := context.WithCancel(context.Background())
- // TODO: implement graceful shutdown by closing context
- // c := make(chan os.Signal, 1)
- // signal.Notify(c, os.Interrupt)
- // defer func() {
- // signal.Stop(c)
- // cancel()
- // }()
- // go func() {
- // select {
- // case <-c:
- // cancel()
- // case <-ctx.Done():
- // }
- // }()
+ sigChan := make(chan os.Signal, 1)
+ signal.Notify(sigChan, syscall.SIGTERM, syscall.SIGHUP, syscall.SIGINT, os.Interrupt)
netInterface := flag.String("interface", "", "IP addr of interface to listen on. Defaults to all interfaces.")
- basePort := flag.Int("bind", defaultPort, "Base Hotline server port. File transfer port is base port + 1.")
+ basePort := flag.Int("bind", 5500, "Base Hotline server port. File transfer port is base port + 1.")
statsPort := flag.String("stats-port", "", "Enable stats HTTP endpoint on address and port")
- configDir := flag.String("config", defaultConfigPath(), "Path to config root")
- printVersion := flag.Bool("version", false, "print version and exit")
+ configDir := flag.String("config", configSearchPaths(), "Path to config root")
+ printVersion := flag.Bool("version", false, "Print version and exit")
logLevel := flag.String("log-level", "info", "Log level")
logFile := flag.String("log-file", "", "Path to log file")
-
init := flag.Bool("init", false, "Populate the config dir with default configuration")
flag.Parse()
),
)
+ // It's important for Windows compatibility to use path.Join and not filepath.Join for the config dir initialization.
+ // https://github.com/golang/go/issues/44305
if *init {
- if _, err := os.Stat(filepath.Join(*configDir, "/config.yaml")); os.IsNotExist(err) {
+ if _, err := os.Stat(path.Join(*configDir, "/config.yaml")); os.IsNotExist(err) {
if err := os.MkdirAll(*configDir, 0750); err != nil {
slogger.Error(fmt.Sprintf("error creating config dir: %s", err))
os.Exit(1)
}
-
- if err := copyDir("mobius/config", *configDir); err != nil {
+ if err := copyDir(path.Join("mobius", "config"), *configDir); err != nil {
slogger.Error(fmt.Sprintf("error copying config dir: %s", err))
os.Exit(1)
}
}
}
- if _, err := os.Stat(*configDir); os.IsNotExist(err) {
- slogger.Error("Configuration directory not found. Correct the path or re-run with -init to generate initial config.")
+ config, err := mobius.LoadConfig(path.Join(*configDir, "config.yaml"))
+ if err != nil {
+ slogger.Error(fmt.Sprintf("Error loading config: %v", err))
os.Exit(1)
}
- srv, err := hotline.NewServer(*configDir, *netInterface, *basePort, slogger, &hotline.OSFileStore{})
+ srv, err := hotline.NewServer(
+ hotline.WithInterface(*netInterface),
+ hotline.WithLogger(slogger),
+ hotline.WithPort(*basePort),
+ hotline.WithConfig(*config),
+ )
if err != nil {
slogger.Error(fmt.Sprintf("Error starting server: %s", err))
os.Exit(1)
}
- sh := statHandler{hlServer: srv}
+ srv.MessageBoard, err = mobius.NewFlatNews(path.Join(*configDir, "MessageBoard.txt"))
+ if err != nil {
+ slogger.Error(fmt.Sprintf("Error loading message board: %v", err))
+ os.Exit(1)
+ }
+
+ srv.BanList, err = mobius.NewBanFile(path.Join(*configDir, "Banlist.yaml"))
+ if err != nil {
+ slogger.Error(fmt.Sprintf("Error loading ban list: %v", err))
+ os.Exit(1)
+ }
+
+ srv.ThreadedNewsMgr, err = mobius.NewThreadedNewsYAML(path.Join(*configDir, "ThreadedNews.yaml"))
+ if err != nil {
+ slogger.Error(fmt.Sprintf("Error loading news: %v", err))
+ os.Exit(1)
+ }
+
+ srv.AccountManager, err = mobius.NewYAMLAccountManager(filepath.Join(*configDir, "Users/"))
+ if err != nil {
+ slogger.Error(fmt.Sprintf("Error loading accounts: %v", err))
+ os.Exit(1)
+ }
+
+ srv.Agreement, err = mobius.NewAgreement(*configDir, "\r")
+ if err != nil {
+ slogger.Error(fmt.Sprintf("Error loading agreement: %v", err))
+ os.Exit(1)
+ }
+
+ bannerPath := filepath.Join(*configDir, config.BannerFile)
+ srv.Banner, err = os.ReadFile(bannerPath)
+ if err != nil {
+ slogger.Error(fmt.Sprintf("Error loading accounts: %v", err))
+ os.Exit(1)
+ }
+
+ reloadFunc := func() {
+ if err := srv.MessageBoard.(*mobius.FlatNews).Reload(); err != nil {
+ slogger.Error("Error reloading news", "err", err)
+ }
+
+ if err := srv.BanList.(*mobius.BanFile).Load(); err != nil {
+ slogger.Error("Error reloading ban list", "err", err)
+ }
+
+ if err := srv.ThreadedNewsMgr.(*mobius.ThreadedNewsYAML).Load(); err != nil {
+ slogger.Error("Error reloading threaded news list", "err", err)
+ }
+
+ if err := srv.Agreement.(*mobius.Agreement).Reload(); err != nil {
+ slogger.Error(fmt.Sprintf("Error reloading agreement: %v", err))
+ os.Exit(1)
+ }
+ }
+
+ reloadHandler := func(reloadFunc func()) func(w http.ResponseWriter, _ *http.Request) {
+ return func(w http.ResponseWriter, _ *http.Request) {
+ reloadFunc()
+
+ _, _ = io.WriteString(w, `{ "msg": "config reloaded" }`)
+ }
+ }
+
+ sh := APIHandler{hlServer: srv}
if *statsPort != "" {
http.HandleFunc("/", sh.RenderStats)
+ http.HandleFunc("/api/v1/stats", sh.RenderStats)
+ http.HandleFunc("/api/v1/reload", reloadHandler(reloadFunc))
go func(srv *hotline.Server) {
- // Use the default DefaultServeMux.
err = http.ListenAndServe(":"+*statsPort, nil)
if err != nil {
log.Fatal(err)
}(srv)
}
+ go func() {
+ for {
+ sig := <-sigChan
+ switch sig {
+ case syscall.SIGHUP:
+ slogger.Info("SIGHUP received. Reloading configuration.")
+
+ reloadFunc()
+ default:
+ signal.Stop(sigChan)
+ cancel()
+ os.Exit(0)
+ }
+
+ }
+ }()
+
slogger.Info("Hotline server started",
"version", version,
+ "config", *configDir,
"API port", fmt.Sprintf("%s:%v", *netInterface, *basePort),
"Transfer port", fmt.Sprintf("%s:%v", *netInterface, *basePort+1),
)
+ // Assign functions to handle specific Hotline transaction types
+ mobius.RegisterHandlers(srv)
+
// Serve Hotline requests until program exit
- log.Fatal(srv.ListenAndServe(ctx, cancel))
+ log.Fatal(srv.ListenAndServe(ctx))
}
-type statHandler struct {
+type APIHandler struct {
hlServer *hotline.Server
}
-func (sh *statHandler) RenderStats(w http.ResponseWriter, _ *http.Request) {
+func (sh *APIHandler) RenderStats(w http.ResponseWriter, _ *http.Request) {
u, err := json.Marshal(sh.hlServer.CurrentStats())
if err != nil {
panic(err)
_, _ = io.WriteString(w, string(u))
}
-func defaultConfigPath() string {
- var cfgPath string
-
- switch runtime.GOOS {
- case "windows":
- cfgPath = "config/"
- case "darwin":
- if _, err := os.Stat("/usr/local/var/mobius/config/"); err == nil {
- cfgPath = "/usr/local/var/mobius/config/"
- } else if _, err := os.Stat("/opt/homebrew/var/mobius/config"); err == nil {
- cfgPath = "/opt/homebrew/var/mobius/config/"
+func configSearchPaths() string {
+ for _, cfgPath := range mobius.ConfigSearchOrder {
+ if _, err := os.Stat(cfgPath); err == nil {
+ return cfgPath
}
- case "linux":
- cfgPath = "/usr/local/var/mobius/config/"
- default:
- cfgPath = "./config/"
}
- return cfgPath
+ return "config"
}
-// TODO: Simplify this mess. Why is it so difficult to recursively copy a directory?
+// copyDir recursively copies a directory tree, attempting to preserve permissions.
func copyDir(src, dst string) error {
entries, err := cfgTemplate.ReadDir(src)
if err != nil {
}
for _, dirEntry := range entries {
if dirEntry.IsDir() {
- if err := os.MkdirAll(filepath.Join(dst, dirEntry.Name()), 0777); err != nil {
+ if err := os.MkdirAll(path.Join(dst, dirEntry.Name()), 0777); err != nil {
panic(err)
}
- subdirEntries, _ := cfgTemplate.ReadDir(filepath.Join(src, dirEntry.Name()))
+ subdirEntries, _ := cfgTemplate.ReadDir(path.Join(src, dirEntry.Name()))
for _, subDirEntry := range subdirEntries {
- f, err := os.Create(filepath.Join(dst, dirEntry.Name(), subDirEntry.Name()))
+ f, err := os.Create(path.Join(dst, dirEntry.Name(), subDirEntry.Name()))
if err != nil {
return err
}
- srcFile, err := cfgTemplate.Open(filepath.Join(src, dirEntry.Name(), subDirEntry.Name()))
+ srcFile, err := cfgTemplate.Open(path.Join(src, dirEntry.Name(), subDirEntry.Name()))
if err != nil {
- return err
+ return fmt.Errorf("error copying srcFile: %w", err)
}
_, err = io.Copy(f, srcFile)
if err != nil {
return err
}
- f.Close()
+ _ = f.Close()
}
} else {
- f, err := os.Create(filepath.Join(dst, dirEntry.Name()))
+ f, err := os.Create(path.Join(dst, dirEntry.Name()))
if err != nil {
return err
}
- srcFile, err := cfgTemplate.Open(filepath.Join(src, dirEntry.Name()))
+ srcFile, err := cfgTemplate.Open(path.Join(src, dirEntry.Name()))
if err != nil {
return err
}
if err != nil {
return err
}
- f.Close()
+ _ = f.Close()
}
}
git.r.bdr.sh / rbdr / mobius / blobdiff