Initial commit

handlers/jpeg.go

@@ -0,0 +1,44 @@
+package handlers
+
+import (
+	"log"
+	"net/http"
+
+	"github.com/gen2brain/cam2ip/camera"
+)
+
+// JPEG handler.
+type JPEG struct {
+	camera *camera.Camera
+}
+
+// NewJPEG returns new JPEG handler.
+func NewJPEG(camera *camera.Camera) *JPEG {
+	return &JPEG{camera}
+}
+
+// ServeHTTP handles requests on incoming connections.
+func (j *JPEG) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	if r.Method != "GET" {
+		http.Error(w, "405 Method Not Allowed", http.StatusMethodNotAllowed)
+		return
+	}
+
+	w.Header().Add("Connection", "close")
+	w.Header().Add("Cache-Control", "no-store, no-cache")
+	w.Header().Add("Content-Type", "image/jpeg")
+
+	img, err := j.camera.Read()
+	if err != nil {
+		log.Printf("jpeg: read: %v", err)
+		return
+	}
+
+	enc := camera.NewEncoder(w)
+
+	err = enc.Encode(img)
+	if err != nil {
+		log.Printf("jpeg: encode: %v", err)
+		return
+	}
+}