begin move to go-restful

cmd/dkl-local-server/ws-host.go

@@ -0,0 +1,55 @@
+package main
+
+import (
+	"log"
+	"net/http"
+	"path"
+
+	restful "github.com/emicklei/go-restful"
+)
+
+type wsHost struct {
+	prefix  string
+	getHost func(req *restful.Request) string
+}
+
+func (ws *wsHost) register(rws *restful.WebService) {
+	for _, what := range []string{
+		"boot.img",
+		"boot.img.gz",
+		"boot.img.lz4",
+		"boot.iso",
+		"boot.tar",
+		"config",
+		"initrd",
+		"ipxe",
+		"kernel",
+	} {
+		rws.Route(rws.GET(ws.prefix + "/" + what).To(ws.render))
+	}
+}
+
+func (ws *wsHost) render(req *restful.Request, resp *restful.Response) {
+	hostname := ws.getHost(req)
+	if hostname == "" {
+		http.NotFound(resp.ResponseWriter, req.Request)
+		return
+	}
+
+	cfg, err := readConfig()
+	if err != nil {
+		writeError(resp.ResponseWriter, err)
+		return
+	}
+
+	host := cfg.Host(hostname)
+	if host == nil {
+		log.Print("no host named ", hostname)
+		http.NotFound(resp.ResponseWriter, req.Request)
+		return
+	}
+
+	what := path.Base(req.Request.URL.Path)
+
+	renderHost(resp.ResponseWriter, req.Request, what, host, cfg)
+}