Factor out ServerThread from the QUIC EndToEndTest in order to reuse in

net/tools/quic/test_tools/server_thread.cc

+// Copyright (c) 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "net/tools/quic/test_tools/server_thread.h"
+
+namespace net {
+namespace tools {
+namespace test {
+
+ServerThread::ServerThread(IPEndPoint address,
+                           const QuicConfig& config,
+                           bool strike_register_no_startup_period)
+    : SimpleThread("server_thread"),
+      listening_(true, false),
+      quit_(true, false),
+      server_(config),
+      address_(address),
+      port_(0) {
+  if (strike_register_no_startup_period) {
+    server_.SetStrikeRegisterNoStartupPeriod();
+  }
+}
+
+ServerThread::~ServerThread() {
+}
+
+void ServerThread::Run() {
+  LOG(INFO) << "listening";
+  server_.Listen(address_);
+
+  port_lock_.Acquire();
+  port_ = server_.port();
+  port_lock_.Release();
+
+  listening_.Signal();
+  while (!quit_.IsSignaled()) {
+    server_.WaitForEvents();
+  }
+  LOG(INFO) << "shutdown";
+  server_.Shutdown();
+}
+
+int ServerThread::GetPort() {
+  port_lock_.Acquire();
+  int rc = port_;
+  port_lock_.Release();
+    return rc;
+}
+
+}  // namespace test
+}  // namespace tools
+}  // namespace net