update_engine: Switch to chrome-dbus for client requests in update_engine
update_engine daemon acts as DBus client to send DBus calls to shill,
power_manager and chrome, and to listen for signals from shill, chrome
and login_manager. This patch migrates these calls and signals to use
chrome-dbus framework instead of dbus-glib.
All references to dbus-glib code are removed.
BUG=chromium:419827
TEST=Updated unittest. Deployed on a link device and tested interactions with shill and chromium.
Change-Id: I31b389e0d1690cccb115ff3b6539c876ba81bd0e
Reviewed-on: https://chromium-review.googlesource.com/290990
Tested-by: Alex Deymo <deymo@chromium.org>
Reviewed-by: Alex Deymo <deymo@chromium.org>
Commit-Queue: Alex Deymo <deymo@chromium.org>
Trybot-Ready: Alex Deymo <deymo@chromium.org>
diff --git a/libcros_proxy.h b/libcros_proxy.h
new file mode 100644
index 0000000..4c0b8bc
--- /dev/null
+++ b/libcros_proxy.h
@@ -0,0 +1,50 @@
+// Copyright 2015 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.
+
+#ifndef UPDATE_ENGINE_LIBCROS_PROXY_H_
+#define UPDATE_ENGINE_LIBCROS_PROXY_H_
+
+#include <memory>
+
+#include <base/macros.h>
+#include <dbus/bus.h>
+
+#include "update_engine/dbus_proxies.h"
+
+namespace chromeos_update_engine {
+
+// This class handles the DBus connection with chrome to resolve proxies. This
+// is a thin class to just hold the generated proxies (real or mocked ones).
+class LibCrosProxy final {
+ public:
+ explicit LibCrosProxy(const scoped_refptr<dbus::Bus>& bus);
+ LibCrosProxy(
+ std::unique_ptr<org::chromium::LibCrosServiceInterfaceProxyInterface>
+ service_interface_proxy,
+ std::unique_ptr<
+ org::chromium::
+ UpdateEngineLibcrosProxyResolvedInterfaceProxyInterface>
+ ue_proxy_resolved_interface);
+
+ ~LibCrosProxy() = default;
+
+ // Getters for the two proxies.
+ org::chromium::LibCrosServiceInterfaceProxyInterface*
+ service_interface_proxy();
+ org::chromium::UpdateEngineLibcrosProxyResolvedInterfaceProxyInterface*
+ ue_proxy_resolved_interface();
+
+ private:
+ std::unique_ptr<org::chromium::LibCrosServiceInterfaceProxyInterface>
+ service_interface_proxy_;
+ std::unique_ptr<
+ org::chromium::UpdateEngineLibcrosProxyResolvedInterfaceProxyInterface>
+ ue_proxy_resolved_interface_;
+
+ DISALLOW_COPY_AND_ASSIGN(LibCrosProxy);
+};
+
+} // namespace chromeos_update_engine
+
+#endif // UPDATE_ENGINE_LIBCROS_PROXY_H_