add request logging

README.md

@@ -8,6 +8,7 @@ Configuration is done using environment variables.
 - `WOLBODGE_DEVICE_TYPE`: Device type to pick, defaults to `test`.
   - `test`: A dummy device, used for testing.
   - `command`: Runs a subprocess to aquire the info. See the example below for more info.
+- `WOLBODGE_LOG_REQUESTS`: Should HTTP requests be logged, defaults to `true`.
 
 ### Example: Raspberry pi using the command device
 - `WOLBODGE_DEVICE_TYPE=command`

main.go

@@ -20,7 +20,9 @@ func Run() error {
 	logger := log.New(os.Stdout, "", log.LstdFlags)
 
 	var address string
+	var logRequests bool
 	Env("WOLBODGE_ADDRESS", &address, ":3000", logger)
+	Env("WOLBODGE_LOG_REQUESTS", &logRequests, "true", logger)
 
 	tmpl := template.New("")
 	_, err := tmpl.Parse(embed)
@@ -53,8 +55,13 @@ func Run() error {
 	exit := make(chan bool)
 	go devices.KeepDeviceInSync(logger, device, storage.HasSessions, exit)
 
+	var handler http.Handler = mux
+	if logRequests {
+		handler = routes.Logger(mux, logger)
+	}
+
 	logger.Printf("Listening on %s", address)
-	err = http.ListenAndServe(address, mux)
+	err = http.ListenAndServe(address, handler)
 	if err != nil {
 		return fmt.Errorf("failed to listen: %w", err)
 	}

routes/logger.go

@@ -0,0 +1,13 @@
+package routes
+
+import (
+	"log"
+	"net/http"
+)
+
+func Logger(handler http.Handler, logger *log.Logger) http.HandlerFunc {
+	return func(res http.ResponseWriter, req *http.Request) {
+		logger.Printf("%-30s %-10s %s", req.RemoteAddr, req.Method, req.URL.Path)
+		handler.ServeHTTP(res, req)
+	}
+}