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| 1 // Copyright (c) 2012 The Chromium 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 "chromeos/dbus/bluetooth_out_of_band_client.h" | |
| 6 | |
| 7 #include <map> | |
| 8 #include <string> | |
| 9 | |
| 10 #include "base/bind.h" | |
| 11 #include "base/logging.h" | |
| 12 #include "chromeos/dbus/bluetooth_adapter_client.h" | |
| 13 #include "dbus/bus.h" | |
| 14 #include "dbus/message.h" | |
| 15 #include "dbus/object_path.h" | |
| 16 #include "dbus/object_proxy.h" | |
| 17 #include "device/bluetooth/bluetooth_out_of_band_pairing_data.h" | |
| 18 #include "third_party/cros_system_api/dbus/service_constants.h" | |
| 19 | |
| 20 namespace chromeos { | |
| 21 | |
| 22 // The BluetoothOutOfBandClient implementation used in production. | |
| 23 class BluetoothOutOfBandClientImpl: public BluetoothOutOfBandClient { | |
| 24 public: | |
| 25 explicit BluetoothOutOfBandClientImpl(dbus::Bus* bus) | |
| 26 : bus_(bus), | |
| 27 weak_ptr_factory_(this) {} | |
| 28 | |
| 29 virtual ~BluetoothOutOfBandClientImpl() {} | |
| 30 | |
| 31 // BluetoothOutOfBandClient override. | |
| 32 virtual void ReadLocalData( | |
| 33 const dbus::ObjectPath& object_path, | |
| 34 const DataCallback& callback) OVERRIDE { | |
| 35 dbus::MethodCall method_call( | |
| 36 bluetooth_outofband::kBluetoothOutOfBandInterface, | |
| 37 bluetooth_outofband::kReadLocalData); | |
| 38 | |
| 39 dbus::ObjectProxy* object_proxy = GetObjectProxy(object_path); | |
| 40 | |
| 41 object_proxy->CallMethod( | |
| 42 &method_call, | |
| 43 dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, | |
| 44 base::Bind(&BluetoothOutOfBandClientImpl::OnReadLocalData, | |
| 45 weak_ptr_factory_.GetWeakPtr(), callback)); | |
| 46 } | |
| 47 | |
| 48 // BluetoothOutOfBandClient override. | |
| 49 virtual void AddRemoteData( | |
| 50 const dbus::ObjectPath& object_path, | |
| 51 const std::string& address, | |
| 52 const device::BluetoothOutOfBandPairingData& data, | |
| 53 const SuccessCallback& callback) OVERRIDE { | |
| 54 dbus::MethodCall method_call( | |
| 55 bluetooth_outofband::kBluetoothOutOfBandInterface, | |
| 56 bluetooth_outofband::kAddRemoteData); | |
| 57 | |
| 58 dbus::MessageWriter writer(&method_call); | |
| 59 writer.AppendString(address); | |
| 60 writer.AppendArrayOfBytes( | |
| 61 data.hash, device::kBluetoothOutOfBandPairingDataSize); | |
| 62 writer.AppendArrayOfBytes( | |
| 63 data.randomizer, device::kBluetoothOutOfBandPairingDataSize); | |
| 64 | |
| 65 dbus::ObjectProxy* object_proxy = GetObjectProxy(object_path); | |
| 66 | |
| 67 object_proxy->CallMethod( | |
| 68 &method_call, | |
| 69 dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, | |
| 70 base::Bind(&BluetoothOutOfBandClientImpl::ResponseToSuccessCallback, | |
| 71 weak_ptr_factory_.GetWeakPtr(), callback)); | |
| 72 } | |
| 73 | |
| 74 // BluetoothOutOfBandClient override. | |
| 75 virtual void RemoveRemoteData( | |
| 76 const dbus::ObjectPath& object_path, | |
| 77 const std::string& address, | |
| 78 const SuccessCallback& callback) OVERRIDE { | |
| 79 dbus::MethodCall method_call( | |
| 80 bluetooth_outofband::kBluetoothOutOfBandInterface, | |
| 81 bluetooth_outofband::kRemoveRemoteData); | |
| 82 | |
| 83 dbus::MessageWriter writer(&method_call); | |
| 84 writer.AppendString(address); | |
| 85 | |
| 86 dbus::ObjectProxy* object_proxy = GetObjectProxy(object_path); | |
| 87 | |
| 88 object_proxy->CallMethod( | |
| 89 &method_call, | |
| 90 dbus::ObjectProxy::TIMEOUT_USE_DEFAULT, | |
| 91 base::Bind(&BluetoothOutOfBandClientImpl::ResponseToSuccessCallback, | |
| 92 weak_ptr_factory_.GetWeakPtr(), callback)); | |
| 93 } | |
| 94 | |
| 95 private: | |
| 96 // We maintain a collection of dbus object proxies for each binding. | |
| 97 typedef std::map<const dbus::ObjectPath, dbus::ObjectProxy*> ObjectMap; | |
| 98 ObjectMap object_map_; | |
| 99 | |
| 100 // Returns a pointer to the object proxy for |object_path|, creating | |
| 101 // it if necessary. This is cached in the ObjectMap. | |
| 102 dbus::ObjectProxy* GetObjectProxy(const dbus::ObjectPath& object_path) { | |
| 103 ObjectMap::iterator iter = object_map_.find(object_path); | |
| 104 if (iter != object_map_.end()) | |
| 105 return iter->second; | |
| 106 | |
| 107 DCHECK(bus_); | |
| 108 dbus::ObjectProxy* object_proxy = bus_->GetObjectProxy( | |
| 109 bluetooth_outofband::kBluetoothOutOfBandServiceName, object_path); | |
| 110 | |
| 111 object_map_[object_path] = object_proxy; | |
| 112 return object_proxy; | |
| 113 } | |
| 114 | |
| 115 // Called when a response from ReadLocalOutOfBandPairingData() is received. | |
| 116 void OnReadLocalData(const DataCallback& callback, | |
| 117 dbus::Response* response) { | |
| 118 bool success = false; | |
| 119 device::BluetoothOutOfBandPairingData data; | |
| 120 if (response != NULL) { | |
| 121 dbus::MessageReader reader(response); | |
| 122 uint8_t* bytes = NULL; | |
| 123 size_t length = device::kBluetoothOutOfBandPairingDataSize; | |
| 124 if (reader.PopArrayOfBytes(&bytes, &length)) { | |
| 125 if (length == device::kBluetoothOutOfBandPairingDataSize) { | |
| 126 memcpy(&data.hash, bytes, length); | |
| 127 if (reader.PopArrayOfBytes(&bytes, &length)) { | |
| 128 if (length == device::kBluetoothOutOfBandPairingDataSize) { | |
| 129 memcpy(&data.randomizer, bytes, length); | |
| 130 success = true; | |
| 131 } | |
| 132 } | |
| 133 } | |
| 134 } | |
| 135 } | |
| 136 callback.Run(data, success); | |
| 137 } | |
| 138 | |
| 139 // Translates a dbus::Response to a SuccessCallback by assuming success if | |
| 140 // |response| is not NULL. | |
| 141 void ResponseToSuccessCallback(const SuccessCallback& callback, | |
| 142 dbus::Response* response) { | |
| 143 callback.Run(response != NULL); | |
| 144 } | |
| 145 | |
| 146 dbus::Bus* bus_; | |
| 147 | |
| 148 // Weak pointer factory for generating 'this' pointers that might live longer | |
| 149 // than we do. | |
| 150 // Note: This should remain the last member so it'll be destroyed and | |
| 151 // invalidate its weak pointers before any other members are destroyed. | |
| 152 base::WeakPtrFactory<BluetoothOutOfBandClientImpl> weak_ptr_factory_; | |
| 153 | |
| 154 DISALLOW_COPY_AND_ASSIGN(BluetoothOutOfBandClientImpl); | |
| 155 }; | |
| 156 | |
| 157 // The BluetoothOutOfBandClient implementation used on Linux desktop, which does | |
| 158 // nothing. | |
| 159 class BluetoothOutOfBandClientStubImpl : public BluetoothOutOfBandClient { | |
| 160 public: | |
| 161 // BluetoothOutOfBandClient override. | |
| 162 virtual void ReadLocalData( | |
| 163 const dbus::ObjectPath& object_path, | |
| 164 const DataCallback& callback) OVERRIDE { | |
| 165 VLOG(1) << "ReadLocalData: " << object_path.value(); | |
| 166 device::BluetoothOutOfBandPairingData data; | |
| 167 callback.Run(data, false); | |
| 168 } | |
| 169 | |
| 170 // BluetoothOutOfBandClient override. | |
| 171 virtual void AddRemoteData( | |
| 172 const dbus::ObjectPath& object_path, | |
| 173 const std::string& address, | |
| 174 const device::BluetoothOutOfBandPairingData& data, | |
| 175 const SuccessCallback& callback) OVERRIDE { | |
| 176 VLOG(1) << "AddRemoteData: " << object_path.value(); | |
| 177 callback.Run(false); | |
| 178 } | |
| 179 | |
| 180 // BluetoothOutOfBandClient override. | |
| 181 virtual void RemoveRemoteData( | |
| 182 const dbus::ObjectPath& object_path, | |
| 183 const std::string& address, | |
| 184 const SuccessCallback& callback) OVERRIDE { | |
| 185 VLOG(1) << "RemoveRemoteData: " << object_path.value(); | |
| 186 callback.Run(false); | |
| 187 } | |
| 188 }; | |
| 189 | |
| 190 BluetoothOutOfBandClient::BluetoothOutOfBandClient() {} | |
| 191 | |
| 192 BluetoothOutOfBandClient::~BluetoothOutOfBandClient() {} | |
| 193 | |
| 194 BluetoothOutOfBandClient* BluetoothOutOfBandClient::Create( | |
| 195 DBusClientImplementationType type, | |
| 196 dbus::Bus* bus) { | |
| 197 if (type == REAL_DBUS_CLIENT_IMPLEMENTATION) | |
| 198 return new BluetoothOutOfBandClientImpl(bus); | |
| 199 DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type); | |
| 200 return new BluetoothOutOfBandClientStubImpl(); | |
| 201 } | |
| 202 | |
| 203 } // namespace chromeos | |
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Chromium Code Reviews
Issue 15020009:
Bluetooth: remove legacy backend (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src