chore: use wasmhttp.Serve for WASM

Author: v1rtl

pkg/node/api_js.go

@@ -0,0 +1,28 @@
+// Copyright 2020 The Swarm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build js && wasm
+
+package node
+
+import (
+	"io"
+	"net/http"
+
+	"github.com/ethersphere/bee/v2/pkg/log"
+	wasmhttp "github.com/nlepage/go-wasm-http-server/v2"
+)
+
+// startAPIServer starts the API server for WASM builds.
+// In WASM, we use wasmhttp which hooks into the service worker's fetch handler.
+// Returns nil for server and closer since WASM doesn't need graceful shutdown.
+func startAPIServer(_ string, handler http.Handler, _ io.Writer, logger log.Logger) (*http.Server, io.Closer, error) {
+	logger.Info("starting debug & api server via service worker")
+
+	// wasmhttp.Serve registers the handler with the service worker
+	// by calling self.wasmhttp.setHandler in JavaScript
+	wasmhttp.Serve(handler)
+
+	return nil, nil, nil
+}

pkg/node/api_native.go

@@ -0,0 +1,46 @@
+// Copyright 2020 The Swarm Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+//go:build !js
+
+package node
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"io"
+	stdlog "log"
+	"net"
+	"net/http"
+	"time"
+
+	"github.com/ethersphere/bee/v2/pkg/log"
+)
+
+// startAPIServer starts the API server for native builds using TCP listener.
+func startAPIServer(addr string, handler http.Handler, errorLogWriter io.Writer, logger log.Logger) (*http.Server, io.Closer, error) {
+	listener, err := (&net.ListenConfig{}).Listen(context.Background(), "tcp", addr)
+	if err != nil {
+		return nil, nil, fmt.Errorf("api listener: %w", err)
+	}
+
+	server := &http.Server{
+		IdleTimeout:       30 * time.Second,
+		ReadHeaderTimeout: 3 * time.Second,
+		Handler:           handler,
+		ErrorLog:          stdlog.New(errorLogWriter, "", 0),
+	}
+
+	go func() {
+		logger.Info("starting debug & api server", "address", listener.Addr())
+
+		if err := server.Serve(listener); err != nil && !errors.Is(err, http.ErrServerClosed) {
+			logger.Debug("debug & api server failed to start", "error", err)
+			logger.Error(nil, "debug & api server failed to start")
+		}
+	}()
+
+	return server, server, nil
+}