src/chromeos/dbus/shill_device_client.cc

   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/shill_device_client.h"
   6
   7 #include "base/bind.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/stl_util.h"
  10 #include "base/values.h"
  11 #include "chromeos/dbus/shill_property_changed_observer.h"
  12 #include "dbus/bus.h"
  13 #include "dbus/message.h"
  14 #include "dbus/object_path.h"
  15 #include "dbus/object_proxy.h"
  16 #include "dbus/values_util.h"
  17 #include "third_party/cros_system_api/dbus/service_constants.h"
  18
  19 namespace chromeos {
  20
  21 namespace {
  22
  23 // The ShillDeviceClient implementation.
  24 class ShillDeviceClientImpl : public ShillDeviceClient {
  25  public:
  26   explicit ShillDeviceClientImpl()
  27       : bus_(NULL) {
  28   }
  29
  30   virtual ~ShillDeviceClientImpl() {
  31     for (HelperMap::iterator iter = helpers_.begin();
  32          iter != helpers_.end(); ++iter) {
  33       // This *should* never happen, yet we're getting crash reports that
  34       // seem to imply that it does happen sometimes.  Adding CHECKs here
  35       // so we can determine more accurately where the problem lies.
  36       // See: http://crbug.com/170541
  37       CHECK(iter->second) << "NULL Helper found in helper list.";
  38       delete iter->second;
  39     }
  40     helpers_.clear();
  41   }
  42
  43   ///////////////////////////////////////
  44   // ShillDeviceClient overrides.
  45   virtual void AddPropertyChangedObserver(
  46       const dbus::ObjectPath& device_path,
  47       ShillPropertyChangedObserver* observer) OVERRIDE {
  48     GetHelper(device_path)->AddPropertyChangedObserver(observer);
  49   }
  50
  51   virtual void RemovePropertyChangedObserver(
  52       const dbus::ObjectPath& device_path,
  53       ShillPropertyChangedObserver* observer) OVERRIDE {
  54     GetHelper(device_path)->RemovePropertyChangedObserver(observer);
  55   }
  56
  57   virtual void GetProperties(const dbus::ObjectPath& device_path,
  58                              const DictionaryValueCallback& callback) OVERRIDE {
  59     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
  60                                  shill::kGetPropertiesFunction);
  61     GetHelper(device_path)->CallDictionaryValueMethod(&method_call, callback);
  62   }
  63
  64   virtual void ProposeScan(const dbus::ObjectPath& device_path,
  65                            const VoidDBusMethodCallback& callback) OVERRIDE {
  66     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
  67                                  shill::kProposeScanFunction);
  68     GetHelper(device_path)->CallVoidMethod(&method_call, callback);
  69   }
  70
  71   virtual void SetProperty(const dbus::ObjectPath& device_path,
  72                            const std::string& name,
  73                            const base::Value& value,
  74                            const base::Closure& callback,
  75                            const ErrorCallback& error_callback) OVERRIDE {
  76     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
  77                                  shill::kSetPropertyFunction);
  78     dbus::MessageWriter writer(&method_call);
  79     writer.AppendString(name);
  80     ShillClientHelper::AppendValueDataAsVariant(&writer, value);
  81     GetHelper(device_path)->CallVoidMethodWithErrorCallback(&method_call,
  82                                                             callback,
  83                                                             error_callback);
  84   }
  85
  86   virtual void ClearProperty(const dbus::ObjectPath& device_path,
  87                              const std::string& name,
  88                              const VoidDBusMethodCallback& callback) OVERRIDE {
  89     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
  90                                  shill::kClearPropertyFunction);
  91     dbus::MessageWriter writer(&method_call);
  92     writer.AppendString(name);
  93     GetHelper(device_path)->CallVoidMethod(&method_call, callback);
  94   }
  95
  96   virtual void AddIPConfig(
  97       const dbus::ObjectPath& device_path,
  98       const std::string& method,
  99       const ObjectPathDBusMethodCallback& callback) OVERRIDE {
 100     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
 101                                  shill::kAddIPConfigFunction);
 102     dbus::MessageWriter writer(&method_call);
 103     writer.AppendString(method);
 104     GetHelper(device_path)->CallObjectPathMethod(&method_call, callback);
 105   }
 106
 107   virtual void RequirePin(const dbus::ObjectPath& device_path,
 108                           const std::string& pin,
 109                           bool require,
 110                           const base::Closure& callback,
 111                           const ErrorCallback& error_callback) OVERRIDE {
 112     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
 113                                  shill::kRequirePinFunction);
 114     dbus::MessageWriter writer(&method_call);
 115     writer.AppendString(pin);
 116     writer.AppendBool(require);
 117     GetHelper(device_path)->CallVoidMethodWithErrorCallback(
 118         &method_call, callback, error_callback);
 119   }
 120
 121   virtual void EnterPin(const dbus::ObjectPath& device_path,
 122                         const std::string& pin,
 123                         const base::Closure& callback,
 124                         const ErrorCallback& error_callback) OVERRIDE {
 125     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
 126                                  shill::kEnterPinFunction);
 127     dbus::MessageWriter writer(&method_call);
 128     writer.AppendString(pin);
 129     GetHelper(device_path)->CallVoidMethodWithErrorCallback(
 130         &method_call, callback, error_callback);
 131   }
 132
 133   virtual void UnblockPin(const dbus::ObjectPath& device_path,
 134                           const std::string& puk,
 135                           const std::string& pin,
 136                           const base::Closure& callback,
 137                           const ErrorCallback& error_callback) OVERRIDE {
 138     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
 139                                  shill::kUnblockPinFunction);
 140     dbus::MessageWriter writer(&method_call);
 141     writer.AppendString(puk);
 142     writer.AppendString(pin);
 143     GetHelper(device_path)->CallVoidMethodWithErrorCallback(
 144         &method_call, callback, error_callback);
 145   }
 146
 147   virtual void ChangePin(const dbus::ObjectPath& device_path,
 148                          const std::string& old_pin,
 149                          const std::string& new_pin,
 150                          const base::Closure& callback,
 151                          const ErrorCallback& error_callback) OVERRIDE {
 152     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
 153                                  shill::kChangePinFunction);
 154     dbus::MessageWriter writer(&method_call);
 155     writer.AppendString(old_pin);
 156     writer.AppendString(new_pin);
 157     GetHelper(device_path)->CallVoidMethodWithErrorCallback(
 158         &method_call, callback, error_callback);
 159   }
 160
 161   virtual void Register(const dbus::ObjectPath& device_path,
 162                         const std::string& network_id,
 163                         const base::Closure& callback,
 164                         const ErrorCallback& error_callback) OVERRIDE {
 165     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
 166                                  shill::kRegisterFunction);
 167     dbus::MessageWriter writer(&method_call);
 168     writer.AppendString(network_id);
 169     GetHelper(device_path)->CallVoidMethodWithErrorCallback(
 170         &method_call, callback, error_callback);
 171   }
 172
 173   virtual void SetCarrier(const dbus::ObjectPath& device_path,
 174                           const std::string& carrier,
 175                           const base::Closure& callback,
 176                           const ErrorCallback& error_callback) OVERRIDE {
 177     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
 178                                  shill::kSetCarrierFunction);
 179     dbus::MessageWriter writer(&method_call);
 180     writer.AppendString(carrier);
 181     GetHelper(device_path)->CallVoidMethodWithErrorCallback(
 182         &method_call, callback, error_callback);
 183   }
 184
 185   virtual void Reset(const dbus::ObjectPath& device_path,
 186                      const base::Closure& callback,
 187                      const ErrorCallback& error_callback) OVERRIDE {
 188     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
 189                                  shill::kResetFunction);
 190     GetHelper(device_path)->CallVoidMethodWithErrorCallback(
 191         &method_call, callback, error_callback);
 192   }
 193
 194   virtual void PerformTDLSOperation(
 195       const dbus::ObjectPath& device_path,
 196       const std::string& operation,
 197       const std::string& peer,
 198       const StringCallback& callback,
 199       const ErrorCallback& error_callback) OVERRIDE {
 200     dbus::MethodCall method_call(shill::kFlimflamDeviceInterface,
 201                                  shill::kPerformTDLSOperationFunction);
 202     dbus::MessageWriter writer(&method_call);
 203     writer.AppendString(operation);
 204     writer.AppendString(peer);
 205     GetHelper(device_path)->CallStringMethodWithErrorCallback(
 206         &method_call, callback, error_callback);
 207   }
 208
 209   virtual TestInterface* GetTestInterface() OVERRIDE {
 210     return NULL;
 211   }
 212
 213  protected:
 214   virtual void Init(dbus::Bus* bus) OVERRIDE {
 215     bus_ = bus;
 216   }
 217
 218  private:
 219   typedef std::map<std::string, ShillClientHelper*> HelperMap;
 220
 221   // Returns the corresponding ShillClientHelper for the profile.
 222   ShillClientHelper* GetHelper(const dbus::ObjectPath& device_path) {
 223     HelperMap::iterator it = helpers_.find(device_path.value());
 224     if (it != helpers_.end()) {
 225       CHECK(it->second) << "Found a NULL helper in the list.";
 226       return it->second;
 227     }
 228
 229     // There is no helper for the profile, create it.
 230     dbus::ObjectProxy* object_proxy =
 231         bus_->GetObjectProxy(shill::kFlimflamServiceName, device_path);
 232     ShillClientHelper* helper = new ShillClientHelper(object_proxy);
 233     CHECK(helper) << "Unable to create Shill client helper.";
 234     helper->MonitorPropertyChanged(shill::kFlimflamDeviceInterface);
 235     helpers_.insert(HelperMap::value_type(device_path.value(), helper));
 236     return helper;
 237   }
 238
 239   dbus::Bus* bus_;
 240   HelperMap helpers_;
 241
 242   DISALLOW_COPY_AND_ASSIGN(ShillDeviceClientImpl);
 243 };
 244
 245 }  // namespace
 246
 247 ShillDeviceClient::ShillDeviceClient() {}
 248
 249 ShillDeviceClient::~ShillDeviceClient() {}
 250
 251 // static
 252 ShillDeviceClient* ShillDeviceClient::Create() {
 253   return new ShillDeviceClientImpl();
 254 }
 255
 256 }  // namespace chromeos