Mount image upon component installed

chromeos/dbus/image_loader_client.cc

 // Copyright 2016 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 "chromeos/dbus/image_loader_client.h"
 
 #include "base/bind.h"
 #include "base/macros.h"
 #include "dbus/bus.h"
 #include "dbus/message.h"
@@ skipping 19 matching lines @@
                                  imageloader::kRegisterComponent);
     dbus::MessageWriter writer(&method_call);
     writer.AppendString(name);
     writer.AppendString(version);
     writer.AppendString(component_folder_abs_path);
     proxy_->CallMethod(
         &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
         base::Bind(&ImageLoaderClientImpl::OnBoolMethod, callback));
   }
 
+  void RegisterComponent(const std::string& name,
+                         const std::string& version,
+                         const std::string& component_folder_abs_path,
+                         const BoolDBusMethodCallbackPm& callback) override {
+    dbus::MethodCall method_call(imageloader::kImageLoaderServiceInterface,
+                                 imageloader::kRegisterComponent);
+    dbus::MessageWriter writer(&method_call);
+    writer.AppendString(name);
+    writer.AppendString(version);
+    writer.AppendString(component_folder_abs_path);
+    proxy_->CallMethod(
+        &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
+        base::Bind(&ImageLoaderClientImpl::OnBoolPmMethod, callback, name));

[hashimoto, 2017/03/10 04:27:22]

You should just use OnBoolMethod here.
If you want to use the value of |name| in the callback, you can just bind it in
cros_component_installer.cc after reordering the callback arguments.

[xiaochu, 2017/03/10 16:49:00]

Done.

+  }
+
   void LoadComponent(const std::string& name,
                      const StringDBusMethodCallback& callback) override {
     dbus::MethodCall method_call(imageloader::kImageLoaderServiceInterface,
                                  imageloader::kLoadComponent);
     dbus::MessageWriter writer(&method_call);
     writer.AppendString(name);
     proxy_->CallMethod(
         &method_call, dbus::ObjectProxy::TIMEOUT_USE_DEFAULT,
         base::Bind(&ImageLoaderClientImpl::OnStringMethod, callback));
   }
@@ skipping 16 matching lines @@
     dbus::MessageReader reader(response);
     bool result = false;
     if (!reader.PopBool(&result)) {
       callback.Run(DBUS_METHOD_CALL_FAILURE, false);
       LOG(ERROR) << "Invalid response: " << response->ToString();
       return;
     }
     callback.Run(DBUS_METHOD_CALL_SUCCESS, result);
   }
 
+  static void OnBoolPmMethod(const BoolDBusMethodCallbackPm& callback,
+                             const std::string& msg,
+                             dbus::Response* response) {
+    if (!response) {
+      callback.Run(DBUS_METHOD_CALL_FAILURE, false, "");
+      return;
+    }
+    dbus::MessageReader reader(response);
+    bool result = false;
+    if (!reader.PopBool(&result)) {
+      callback.Run(DBUS_METHOD_CALL_FAILURE, false, "");
+      LOG(ERROR) << "Invalid response: " << response->ToString();
+      return;
+    }
+    callback.Run(DBUS_METHOD_CALL_SUCCESS, result, msg);
+  }
+
   static void OnStringMethod(const StringDBusMethodCallback& callback,
                              dbus::Response* response) {
     if (!response) {
       callback.Run(DBUS_METHOD_CALL_FAILURE, "");
       return;
     }
     dbus::MessageReader reader(response);
     std::string result;
     if (!reader.PopString(&result)) {
       callback.Run(DBUS_METHOD_CALL_FAILURE, "");
@@ skipping 13 matching lines @@
 ImageLoaderClient::ImageLoaderClient() {}
 
 ImageLoaderClient::~ImageLoaderClient() {}
 
 // static
 ImageLoaderClient* ImageLoaderClient::Create() {
   return new ImageLoaderClientImpl();
 }
 
 }  // namespace chromeos