adds option to customize addr and reload delay.

config.go

@@ -8,13 +8,17 @@ import (
 )
 
 type config struct {
-	BilderDir     string `json:"bilder-dir"`
-	URLPathPrefix string `json:"url-path-prefix"`
-	AccessLog     string `json:"access-log"`
+	BilderDir          string `json:"bilder-dir"`
+	URLPathPrefix      string `json:"url-path-prefix"`
+	AccessLog          string `json:"access-log"`
+	Addr               string `json:"addr"`
+	ReloadDelaySeconds int    `json:"reload-delay-seconds"`
 }
 
 var defaultConfig = config{
-	BilderDir: "bilder",
+	BilderDir:          "bilder",
+	Addr:               ":8173",
+	ReloadDelaySeconds: 10,
 }
 
 func mustParseConfig() config {
@@ -39,5 +43,13 @@ func mustParseConfig() config {
 		c.BilderDir = defaultConfig.BilderDir
 	}
 
+	if c.Addr == "" {
+		c.Addr = defaultConfig.Addr
+	}
+
+	if c.ReloadDelaySeconds == 0 {
+		c.ReloadDelaySeconds = defaultConfig.ReloadDelaySeconds
+	}
+
 	return c
 }

config.json

@@ -1,4 +1,6 @@
 {
-  "bilder-dir": "tmp",
-	"access-log": "access.log"
+	"bilder-dir": "tmp",
+	"access-log": "access.log",
+	"reload-delay-seconds": 2,
+	"addr": ":8111"
 }

main.go

@@ -3,8 +3,8 @@ package main
 func main() {
 	conf := mustParseConfig()
 	albums := make(chan []album, 1)
-	w := newWatcher(conf.BilderDir, conf.URLPathPrefix, albums)
-	s := newServer(conf.BilderDir, conf.AccessLog, albums)
+	w := newWatcher(conf.ReloadDelaySeconds, conf.BilderDir, conf.URLPathPrefix, albums)
+	s := newServer(conf.Addr, conf.BilderDir, conf.AccessLog, albums)
 
 	go w.start()
 	s.serve()

server.go

@@ -32,15 +32,16 @@ func (sf *syncFile) Write(p []byte) (n int, err error) {
 type server struct {
 	http.Server
 	sync.RWMutex
+	addr         string
 	albumUpdates <-chan []album
 	dir          string
 	accessLog    string
 	logFile      *syncFile
 	albums       map[string]authHandler
 }
 
-func newServer(d, al string, au <-chan []album) *server {
-	return &server{dir: d, accessLog: al, albumUpdates: au}
+func newServer(ad, d, al string, au <-chan []album) *server {
+	return &server{addr: ad, dir: d, accessLog: al, albumUpdates: au}
 }
 
 func (s *server) ServeHTTP(w http.ResponseWriter, r *http.Request) {
@@ -186,9 +187,9 @@ func (s *server) serve() {
 
 	mux.Handle("/b/", http.StripPrefix("/b/", s))
 
-	s.Addr = ":8173"
+	s.Addr = s.addr
 	s.Handler = mux
 
-	log.Printf("Serving on http://0.0.0.0:8173")
+	log.Printf("Serving on http://" + s.addr)
 	log.Fatal(s.ListenAndServe())
 }

watcher.go

@@ -45,14 +45,15 @@ func (a album) hasAuth() bool {
 
 type watcher struct {
 	dir           string
+	delaySeconds  int
 	urlPathPrefix string
 	configs       map[string]dirConfig
 	images        map[string]map[string]*imgDetails
 	albumUpdates  chan<- []album
 }
 
-func newWatcher(d, upp string, au chan<- []album) *watcher {
-	return &watcher{dir: d, urlPathPrefix: upp, albumUpdates: au}
+func newWatcher(ds int, d, upp string, au chan<- []album) *watcher {
+	return &watcher{delaySeconds: ds, dir: d, urlPathPrefix: upp, albumUpdates: au}
 }
 
 type dirConfig struct {
@@ -74,7 +75,7 @@ func (w *watcher) start() {
 		w.writeIndexes()
 		w.passAlbumUpdates()
 		w.reset()
-		<-time.After(10 * time.Second)
+		<-time.After(time.Duration(w.delaySeconds) * time.Second)
 	}
 }