diff --git a/buffet/privet/device_delegate.cc b/buffet/privet/device_delegate.cc
new file mode 100644
index 0000000..2953284
--- /dev/null
+++ b/buffet/privet/device_delegate.cc
@@ -0,0 +1,58 @@
+// Copyright 2014 The Chromium OS 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 "buffet/privet/device_delegate.h"
+
+#include <base/files/file_util.h>
+#include <base/guid.h>
+
+#include "buffet/privet/constants.h"
+
+namespace privetd {
+
+namespace {
+
+class DeviceDelegateImpl : public DeviceDelegate {
+ public:
+  DeviceDelegateImpl() = default;
+  ~DeviceDelegateImpl() override = default;
+
+  std::pair<uint16_t, uint16_t> GetHttpEnpoint() const override {
+    return std::make_pair(http_port_, http_port_);
+  }
+  std::pair<uint16_t, uint16_t> GetHttpsEnpoint() const override {
+    return std::make_pair(https_port_, https_port_);
+  }
+  base::TimeDelta GetUptime() const override {
+    return base::Time::Now() - start_time_;
+  }
+
+  void SetHttpPort(uint16_t port) override {
+    http_port_ = port;
+  }
+
+  void SetHttpsPort(uint16_t port) override {
+    https_port_ = port;
+  }
+
+ private:
+  uint16_t http_port_{0};
+  uint16_t https_port_{0};
+  base::Time start_time_{base::Time::Now()};
+};
+
+}  // namespace
+
+DeviceDelegate::DeviceDelegate() {
+}
+
+DeviceDelegate::~DeviceDelegate() {
+}
+
+// static
+std::unique_ptr<DeviceDelegate> DeviceDelegate::CreateDefault() {
+  return std::unique_ptr<DeviceDelegate>(new DeviceDelegateImpl());
+}
+
+}  // namespace privetd