Christopher Wiley | 4b5f04c | 2014-03-27 14:45:37 -0700 | [diff] [blame] | 1 | // Copyright 2014 The Chromium OS Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #include "buffet/manager.h" |
| 6 | |
| 7 | #include <base/bind.h> |
| 8 | #include <base/bind_helpers.h> |
| 9 | |
| 10 | #include "buffet/dbus_constants.h" |
| 11 | #include "buffet/dbus_manager.h" |
| 12 | #include "buffet/dbus_utils.h" |
| 13 | |
| 14 | using buffet::dbus_utils::GetBadArgsError; |
| 15 | |
| 16 | namespace buffet { |
| 17 | |
| 18 | Manager::Manager(DBusManager* dbus_manager) : dbus_manager_(dbus_manager) { |
| 19 | dbus::ExportedObject* exported_object = dbus_manager_->GetExportedObject( |
| 20 | dbus_constants::kManagerServicePath); |
| 21 | dbus_manager_->ExportDBusMethod(exported_object, |
| 22 | dbus_constants::kManagerInterface, |
| 23 | dbus_constants::kManagerRegisterDeviceMethod, |
| 24 | base::Bind(&Manager::HandleRegisterDevice, |
| 25 | base::Unretained(this))); |
| 26 | dbus_manager_->ExportDBusMethod(exported_object, |
| 27 | dbus_constants::kManagerInterface, |
| 28 | dbus_constants::kManagerUpdateStateMethod, |
| 29 | base::Bind(&Manager::HandleUpdateState, |
| 30 | base::Unretained(this))); |
Christopher Wiley | 106686a | 2014-03-27 14:51:26 -0700 | [diff] [blame^] | 31 | properties_.reset(new Properties(exported_object)); |
| 32 | // TODO(wiley): Initialize all properties appropriately before claiming |
| 33 | // the properties interface. |
| 34 | properties_->state_.SetValue("{}"); |
| 35 | properties_->ClaimPropertiesInterface(); |
Christopher Wiley | 4b5f04c | 2014-03-27 14:45:37 -0700 | [diff] [blame] | 36 | } |
| 37 | |
| 38 | Manager::~Manager() { |
Christopher Wiley | 106686a | 2014-03-27 14:51:26 -0700 | [diff] [blame^] | 39 | // Prevent the properties object from making calls to the exported object. |
| 40 | properties_.reset(nullptr); |
Christopher Wiley | 4b5f04c | 2014-03-27 14:45:37 -0700 | [diff] [blame] | 41 | // Unregister ourselves from the Bus. This prevents the bus from calling |
| 42 | // our callbacks in between the Manager's death and the bus unregistering |
| 43 | // our exported object on shutdown. Unretained makes no promises of memory |
| 44 | // management. |
| 45 | auto exported_object = dbus_manager_->GetExportedObject( |
| 46 | dbus_constants::kManagerServicePath); |
| 47 | exported_object->Unregister(); |
| 48 | } |
| 49 | |
| 50 | scoped_ptr<dbus::Response> Manager::HandleRegisterDevice( |
| 51 | dbus::MethodCall* method_call) { |
| 52 | // Read the parameters to the method. |
| 53 | dbus::MessageReader reader(method_call); |
| 54 | if (!reader.HasMoreData()) { |
| 55 | return GetBadArgsError(method_call, "No parameters to RegisterDevice"); |
| 56 | } |
| 57 | std::string client_id, client_secret, api_key; |
| 58 | if (!reader.PopString(&client_id)) { |
| 59 | return GetBadArgsError(method_call, "Failed to read client_id"); |
| 60 | } |
| 61 | if (!reader.PopString(&client_secret)) { |
| 62 | return GetBadArgsError(method_call, "Failed to read client_secret"); |
| 63 | } |
| 64 | if (!reader.PopString(&api_key)) { |
| 65 | return GetBadArgsError(method_call, "Failed to read api_key"); |
| 66 | } |
| 67 | if (reader.HasMoreData()) { |
| 68 | return GetBadArgsError( |
| 69 | method_call, "Too many parameters to RegisterDevice"); |
| 70 | } |
| 71 | |
| 72 | LOG(INFO) << "Received call to Manager.RegisterDevice()"; |
| 73 | // TODO(wiley): Do something with these parameters to register the device. |
| 74 | |
| 75 | // Send back our response. |
| 76 | scoped_ptr<dbus::Response> response( |
| 77 | dbus::Response::FromMethodCall(method_call)); |
| 78 | dbus::MessageWriter writer(response.get()); |
| 79 | writer.AppendString("<registration ticket id>"); |
| 80 | return response.Pass(); |
| 81 | } |
| 82 | |
| 83 | scoped_ptr<dbus::Response> Manager::HandleUpdateState( |
| 84 | dbus::MethodCall *method_call) { |
| 85 | // Read the parameters to the method. |
| 86 | dbus::MessageReader reader(method_call); |
| 87 | if (!reader.HasMoreData()) { |
| 88 | return GetBadArgsError(method_call, "No parameters to UpdateState"); |
| 89 | } |
| 90 | std::string json_state_fragment; |
| 91 | if (!reader.PopString(&json_state_fragment)) { |
| 92 | return GetBadArgsError(method_call, "Failed to read json_state_fragment"); |
| 93 | } |
| 94 | if (reader.HasMoreData()) { |
| 95 | return GetBadArgsError(method_call, "Too many parameters to UpdateState"); |
| 96 | } |
| 97 | |
| 98 | LOG(INFO) << "Received call to Manager.UpdateState()"; |
Christopher Wiley | 106686a | 2014-03-27 14:51:26 -0700 | [diff] [blame^] | 99 | // TODO(wiley): Merge json state blobs intelligently. |
| 100 | properties_->state_.SetValue(json_state_fragment); |
Christopher Wiley | 4b5f04c | 2014-03-27 14:45:37 -0700 | [diff] [blame] | 101 | |
| 102 | // Send back our response. |
| 103 | return dbus::Response::FromMethodCall(method_call); |
| 104 | } |
| 105 | |
| 106 | } // namespace buffet |