init cf worker code

test/worker/worker-connect-test.js

@@ -0,0 +1,46 @@
+import { connect } from 'cloudflare:sockets';
+
+export default {
+  async fetch(request, env, ctx) {
+    console.log('start fetch');
+    const cloudflare = 'www.cloudflare.com';
+    const floodgap = 'gopher.floodgap.com';
+    let host = floodgap;
+    const isFloodgap = request.url.includes('floodgap');
+    const iscloudflare = request.url.includes('cloudflare');
+    if (isFloodgap) {
+      host = floodgap;
+    }
+    if (iscloudflare) {
+      host = cloudflare;
+    }
+
+    try {
+      const socket = connect(
+        {
+          hostname: host,
+          port: 443,
+        },
+        {
+          secureTransport: 'on',
+        }
+      );
+      console.log('start conneted', host);
+      const writer = socket.writable.getWriter();
+      const encoder = new TextEncoder();
+      const encoded = encoder.encode(
+        `GET / HTTP/1.1\r\nHost: ${host}\r\nUser-Agent: curl/8.0.1\r\nAccept: */*\r\n\r\n`
+      );
+      await writer.write(encoded);
+      console.log('write end');
+
+      return new Response(socket.readable, {
+        headers: { 'Content-Type': 'text/plain' },
+      });
+    } catch (error) {
+      return new Response('Socket connection failed: ' + error, {
+        status: 500,
+      });
+    }
+  },
+};