1 files changed, 34 insertions, 0 deletions
diff --git a/tools/deno_tcp.ts b/tools/deno_tcp.ts
new file mode 100644
index 000000000..5b61bd4cd
--- /dev/null
+++ b/tools/deno_tcp.ts
@@ -0,0 +1,34 @@
+// Used for benchmarking Deno's networking. See tools/http_benchmark.py
+// TODO Replace this with a real HTTP server once
+// https://github.com/denoland/deno/issues/726 is completed.
+// Note: this is a keep-alive server.
+const addr = Deno.args[1] || "127.0.0.1:4500";
+const listener = Deno.listen("tcp", addr);
+const response = new TextEncoder().encode(
+  "HTTP/1.1 200 OK\r\nContent-Length: 12\r\n\r\nHello World\n"
+);
+
+async function handle(conn: Deno.Conn): Promise<void> {
+  const buffer = new Uint8Array(1024);
+  try {
+    while (true) {
+      const r = await conn.read(buffer);
+      if (r.eof) {
+        break;
+      }
+      await conn.write(response);
+    }
+  } finally {
+    conn.close();
+  }
+}
+
+async function main(): Promise<void> {
+  console.log("Listening on", addr);
+  while (true) {
+    const conn = await listener.accept();
+    handle(conn);
+  }
+}
+
+main();