chromeos/dbus/shill_ipconfig_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_ipconfig_client.h"
   6
   7 #include "base/bind.h"
   8 #include "base/message_loop.h"
   9 #include "base/stl_util.h"
  10 #include "base/values.h"
  11 #include "chromeos/dbus/shill_ipconfig_client_stub.h"
  12 #include "chromeos/dbus/shill_property_changed_observer.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 "dbus/values_util.h"
  18 #include "third_party/cros_system_api/dbus/service_constants.h"
  19
  20 namespace chromeos {
  21
  22 namespace {
  23
  24 // The ShillIPConfigClient implementation.
  25 class ShillIPConfigClientImpl : public ShillIPConfigClient {
  26  public:
  27   explicit ShillIPConfigClientImpl(dbus::Bus* bus);
  28
  29   ////////////////////////////////////
  30   // ShillIPConfigClient overrides.
  31   virtual void AddPropertyChangedObserver(
  32       const dbus::ObjectPath& ipconfig_path,
  33       ShillPropertyChangedObserver* observer) OVERRIDE {
  34     GetHelper(ipconfig_path)->AddPropertyChangedObserver(observer);
  35   }
  36
  37   virtual void RemovePropertyChangedObserver(
  38       const dbus::ObjectPath& ipconfig_path,
  39       ShillPropertyChangedObserver* observer) OVERRIDE {
  40     GetHelper(ipconfig_path)->RemovePropertyChangedObserver(observer);
  41   }
  42   virtual void Refresh(const dbus::ObjectPath& ipconfig_path,
  43                        const VoidDBusMethodCallback& callback) OVERRIDE;
  44   virtual void GetProperties(const dbus::ObjectPath& ipconfig_path,
  45                              const DictionaryValueCallback& callback) OVERRIDE;
  46   virtual base::DictionaryValue* CallGetPropertiesAndBlock(
  47       const dbus::ObjectPath& ipconfig_path) OVERRIDE;
  48   virtual void SetProperty(const dbus::ObjectPath& ipconfig_path,
  49                            const std::string& name,
  50                            const base::Value& value,
  51                            const VoidDBusMethodCallback& callback) OVERRIDE;
  52   virtual void ClearProperty(const dbus::ObjectPath& ipconfig_path,
  53                              const std::string& name,
  54                              const VoidDBusMethodCallback& callback) OVERRIDE;
  55   virtual void Remove(const dbus::ObjectPath& ipconfig_path,
  56                       const VoidDBusMethodCallback& callback) OVERRIDE;
  57
  58  private:
  59   typedef std::map<std::string, ShillClientHelper*> HelperMap;
  60
  61   // Returns the corresponding ShillClientHelper for the profile.
  62   ShillClientHelper* GetHelper(const dbus::ObjectPath& ipconfig_path) {
  63     HelperMap::iterator it = helpers_.find(ipconfig_path.value());
  64     if (it != helpers_.end())
  65       return it->second;
  66
  67     // There is no helper for the profile, create it.
  68     dbus::ObjectProxy* object_proxy =
  69         bus_->GetObjectProxy(flimflam::kFlimflamServiceName, ipconfig_path);
  70     ShillClientHelper* helper = new ShillClientHelper(bus_, object_proxy);
  71     helper->MonitorPropertyChanged(flimflam::kFlimflamIPConfigInterface);
  72     helpers_.insert(HelperMap::value_type(ipconfig_path.value(), helper));
  73     return helper;
  74   }
  75
  76   dbus::Bus* bus_;
  77   HelperMap helpers_;
  78   STLValueDeleter<HelperMap> helpers_deleter_;
  79
  80   DISALLOW_COPY_AND_ASSIGN(ShillIPConfigClientImpl);
  81 };
  82
  83 ShillIPConfigClientImpl::ShillIPConfigClientImpl(dbus::Bus* bus)
  84     : bus_(bus),
  85       helpers_deleter_(&helpers_) {
  86 }
  87
  88 void ShillIPConfigClientImpl::GetProperties(
  89     const dbus::ObjectPath& ipconfig_path,
  90     const DictionaryValueCallback& callback) {
  91   dbus::MethodCall method_call(flimflam::kFlimflamIPConfigInterface,
  92                                flimflam::kGetPropertiesFunction);
  93   GetHelper(ipconfig_path)->CallDictionaryValueMethod(&method_call, callback);
  94 }
  95
  96 base::DictionaryValue* ShillIPConfigClientImpl::CallGetPropertiesAndBlock(
  97     const dbus::ObjectPath& ipconfig_path) {
  98   dbus::MethodCall method_call(flimflam::kFlimflamIPConfigInterface,
  99                                flimflam::kGetPropertiesFunction);
 100   return GetHelper(ipconfig_path)->CallDictionaryValueMethodAndBlock(
 101       &method_call);
 102 }
 103
 104 void ShillIPConfigClientImpl::Refresh(
 105     const dbus::ObjectPath& ipconfig_path,
 106     const VoidDBusMethodCallback& callback) {
 107   dbus::MethodCall method_call(flimflam::kFlimflamIPConfigInterface,
 108                                shill::kRefreshFunction);
 109   GetHelper(ipconfig_path)->CallVoidMethod(&method_call, callback);
 110 }
 111
 112 void ShillIPConfigClientImpl::SetProperty(
 113     const dbus::ObjectPath& ipconfig_path,
 114     const std::string& name,
 115     const base::Value& value,
 116     const VoidDBusMethodCallback& callback) {
 117   dbus::MethodCall method_call(flimflam::kFlimflamIPConfigInterface,
 118                                flimflam::kSetPropertyFunction);
 119   dbus::MessageWriter writer(&method_call);
 120   writer.AppendString(name);
 121   // IPConfig supports writing basic type and string array properties.
 122   switch (value.GetType()) {
 123     case base::Value::TYPE_LIST: {
 124       const base::ListValue* list_value = NULL;
 125       value.GetAsList(&list_value);
 126       dbus::MessageWriter variant_writer(NULL);
 127       writer.OpenVariant("as", &variant_writer);
 128       dbus::MessageWriter array_writer(NULL);
 129       variant_writer.OpenArray("s", &array_writer);
 130       for (base::ListValue::const_iterator it = list_value->begin();
 131            it != list_value->end();
 132            ++it) {
 133         DLOG_IF(ERROR, (*it)->GetType() != base::Value::TYPE_STRING)
 134             << "Unexpected type " << (*it)->GetType();
 135         std::string str;
 136         (*it)->GetAsString(&str);
 137         array_writer.AppendString(str);
 138       }
 139       variant_writer.CloseContainer(&array_writer);
 140       writer.CloseContainer(&variant_writer);
 141     }
 142     case base::Value::TYPE_BOOLEAN:
 143     case base::Value::TYPE_INTEGER:
 144     case base::Value::TYPE_DOUBLE:
 145     case base::Value::TYPE_STRING:
 146       dbus::AppendBasicTypeValueDataAsVariant(&writer, value);
 147       break;
 148     default:
 149       DLOG(ERROR) << "Unexpected type " << value.GetType();
 150   }
 151   GetHelper(ipconfig_path)->CallVoidMethod(&method_call, callback);
 152 }
 153
 154 void ShillIPConfigClientImpl::ClearProperty(
 155     const dbus::ObjectPath& ipconfig_path,
 156     const std::string& name,
 157     const VoidDBusMethodCallback& callback) {
 158   dbus::MethodCall method_call(flimflam::kFlimflamIPConfigInterface,
 159                                flimflam::kClearPropertyFunction);
 160   dbus::MessageWriter writer(&method_call);
 161   writer.AppendString(name);
 162   GetHelper(ipconfig_path)->CallVoidMethod(&method_call, callback);
 163 }
 164
 165 void ShillIPConfigClientImpl::Remove(
 166     const dbus::ObjectPath& ipconfig_path,
 167     const VoidDBusMethodCallback& callback) {
 168   dbus::MethodCall method_call(flimflam::kFlimflamIPConfigInterface,
 169                                flimflam::kRemoveConfigFunction);
 170   GetHelper(ipconfig_path)->CallVoidMethod(&method_call, callback);
 171 }
 172
 173 }  // namespace
 174
 175 ShillIPConfigClient::ShillIPConfigClient() {}
 176
 177 ShillIPConfigClient::~ShillIPConfigClient() {}
 178
 179 // static
 180 ShillIPConfigClient* ShillIPConfigClient::Create(
 181     DBusClientImplementationType type,
 182     dbus::Bus* bus) {
 183   if (type == REAL_DBUS_CLIENT_IMPLEMENTATION)
 184     return new ShillIPConfigClientImpl(bus);
 185   DCHECK_EQ(STUB_DBUS_CLIENT_IMPLEMENTATION, type);
 186   return new ShillIPConfigClientStub();
 187 }
 188
 189 }  // namespace chromeos