keybuk@chromium.org | 0971501 | 2013-03-26 03:20:08 +0900 | [diff] [blame] | 1 | // Copyright (c) 2013 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 "dbus/object_manager.h" |
| 6 | |
| 7 | #include "base/bind.h" |
| 8 | #include "base/logging.h" |
| 9 | #include "dbus/bus.h" |
| 10 | #include "dbus/message.h" |
| 11 | #include "dbus/object_proxy.h" |
| 12 | #include "dbus/property.h" |
| 13 | |
| 14 | namespace dbus { |
| 15 | |
| 16 | ObjectManager::Object::Object() |
| 17 | : object_proxy(NULL) { |
| 18 | } |
| 19 | |
| 20 | ObjectManager::Object::~Object() { |
| 21 | } |
| 22 | |
| 23 | ObjectManager::ObjectManager(Bus* bus, |
| 24 | const std::string& service_name, |
| 25 | const ObjectPath& object_path) |
| 26 | : bus_(bus), |
| 27 | service_name_(service_name), |
| 28 | object_path_(object_path), |
| 29 | weak_ptr_factory_(this) { |
| 30 | DVLOG(1) << "Creating ObjectManager for " << service_name_ |
| 31 | << " " << object_path_.value(); |
| 32 | |
| 33 | DCHECK(bus_); |
| 34 | object_proxy_ = bus_->GetObjectProxy(service_name_, object_path_); |
keybuk@chromium.org | 40b05ba | 2014-03-07 11:24:33 +0900 | [diff] [blame] | 35 | object_proxy_->SetNameOwnerChangedCallback( |
| 36 | base::Bind(&ObjectManager::NameOwnerChanged, |
| 37 | weak_ptr_factory_.GetWeakPtr())); |
keybuk@chromium.org | 0971501 | 2013-03-26 03:20:08 +0900 | [diff] [blame] | 38 | |
| 39 | object_proxy_->ConnectToSignal( |
| 40 | kObjectManagerInterface, |
| 41 | kObjectManagerInterfacesAdded, |
| 42 | base::Bind(&ObjectManager::InterfacesAddedReceived, |
| 43 | weak_ptr_factory_.GetWeakPtr()), |
| 44 | base::Bind(&ObjectManager::InterfacesAddedConnected, |
| 45 | weak_ptr_factory_.GetWeakPtr())); |
| 46 | |
| 47 | object_proxy_->ConnectToSignal( |
| 48 | kObjectManagerInterface, |
| 49 | kObjectManagerInterfacesRemoved, |
| 50 | base::Bind(&ObjectManager::InterfacesRemovedReceived, |
| 51 | weak_ptr_factory_.GetWeakPtr()), |
| 52 | base::Bind(&ObjectManager::InterfacesRemovedConnected, |
| 53 | weak_ptr_factory_.GetWeakPtr())); |
| 54 | |
| 55 | GetManagedObjects(); |
| 56 | } |
| 57 | |
| 58 | ObjectManager::~ObjectManager() { |
| 59 | // Clean up Object structures |
| 60 | for (ObjectMap::iterator iter = object_map_.begin(); |
| 61 | iter != object_map_.end(); ++iter) { |
| 62 | Object* object = iter->second; |
| 63 | |
| 64 | for (Object::PropertiesMap::iterator piter = object->properties_map.begin(); |
| 65 | piter != object->properties_map.end(); ++piter) { |
| 66 | PropertySet* properties = piter->second; |
| 67 | delete properties; |
| 68 | } |
| 69 | |
| 70 | delete object; |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | void ObjectManager::RegisterInterface(const std::string& interface_name, |
| 75 | Interface* interface) { |
| 76 | interface_map_[interface_name] = interface; |
| 77 | } |
| 78 | |
| 79 | void ObjectManager::UnregisterInterface(const std::string& interface_name) { |
| 80 | InterfaceMap::iterator iter = interface_map_.find(interface_name); |
| 81 | if (iter != interface_map_.end()) |
| 82 | interface_map_.erase(iter); |
| 83 | } |
| 84 | |
| 85 | std::vector<ObjectPath> ObjectManager::GetObjects() { |
| 86 | std::vector<ObjectPath> object_paths; |
| 87 | |
| 88 | for (ObjectMap::iterator iter = object_map_.begin(); |
| 89 | iter != object_map_.end(); ++iter) |
| 90 | object_paths.push_back(iter->first); |
| 91 | |
| 92 | return object_paths; |
| 93 | } |
| 94 | |
| 95 | std::vector<ObjectPath> ObjectManager::GetObjectsWithInterface( |
| 96 | const std::string& interface_name) { |
| 97 | std::vector<ObjectPath> object_paths; |
| 98 | |
| 99 | for (ObjectMap::iterator oiter = object_map_.begin(); |
| 100 | oiter != object_map_.end(); ++oiter) { |
| 101 | Object* object = oiter->second; |
| 102 | |
| 103 | Object::PropertiesMap::iterator piter = |
| 104 | object->properties_map.find(interface_name); |
| 105 | if (piter != object->properties_map.end()) |
| 106 | object_paths.push_back(oiter->first); |
| 107 | } |
| 108 | |
| 109 | return object_paths; |
| 110 | } |
| 111 | |
| 112 | ObjectProxy* ObjectManager::GetObjectProxy(const ObjectPath& object_path) { |
| 113 | ObjectMap::iterator iter = object_map_.find(object_path); |
| 114 | if (iter == object_map_.end()) |
| 115 | return NULL; |
| 116 | |
| 117 | Object* object = iter->second; |
| 118 | return object->object_proxy; |
| 119 | } |
| 120 | |
| 121 | PropertySet* ObjectManager::GetProperties(const ObjectPath& object_path, |
| 122 | const std::string& interface_name) { |
| 123 | ObjectMap::iterator iter = object_map_.find(object_path); |
| 124 | if (iter == object_map_.end()) |
| 125 | return NULL; |
| 126 | |
| 127 | Object* object = iter->second; |
| 128 | Object::PropertiesMap::iterator piter = |
| 129 | object->properties_map.find(interface_name); |
| 130 | if (piter == object->properties_map.end()) |
| 131 | return NULL; |
| 132 | |
| 133 | return piter->second; |
| 134 | } |
| 135 | |
| 136 | void ObjectManager::GetManagedObjects() { |
| 137 | MethodCall method_call(kObjectManagerInterface, |
| 138 | kObjectManagerGetManagedObjects); |
| 139 | |
| 140 | object_proxy_->CallMethod( |
| 141 | &method_call, |
| 142 | ObjectProxy::TIMEOUT_USE_DEFAULT, |
| 143 | base::Bind(&ObjectManager::OnGetManagedObjects, |
| 144 | weak_ptr_factory_.GetWeakPtr())); |
| 145 | } |
| 146 | |
| 147 | void ObjectManager::OnGetManagedObjects(Response* response) { |
| 148 | if (response != NULL) { |
| 149 | MessageReader reader(response); |
| 150 | MessageReader array_reader(NULL); |
| 151 | if (!reader.PopArray(&array_reader)) |
| 152 | return; |
| 153 | |
| 154 | while (array_reader.HasMoreData()) { |
| 155 | MessageReader dict_entry_reader(NULL); |
| 156 | ObjectPath object_path; |
| 157 | if (!array_reader.PopDictEntry(&dict_entry_reader) || |
| 158 | !dict_entry_reader.PopObjectPath(&object_path)) |
| 159 | continue; |
| 160 | |
| 161 | UpdateObject(object_path, &dict_entry_reader); |
| 162 | } |
| 163 | |
| 164 | } else { |
| 165 | LOG(WARNING) << service_name_ << " " << object_path_.value() |
| 166 | << ": Failed to get managed objects"; |
| 167 | } |
| 168 | } |
| 169 | |
| 170 | void ObjectManager::InterfacesAddedReceived(Signal* signal) { |
| 171 | DCHECK(signal); |
| 172 | MessageReader reader(signal); |
| 173 | ObjectPath object_path; |
| 174 | if (!reader.PopObjectPath(&object_path)) { |
| 175 | LOG(WARNING) << service_name_ << " " << object_path_.value() |
| 176 | << ": InterfacesAdded signal has incorrect parameters: " |
| 177 | << signal->ToString(); |
| 178 | return; |
| 179 | } |
| 180 | |
| 181 | UpdateObject(object_path, &reader); |
| 182 | } |
| 183 | |
| 184 | void ObjectManager::InterfacesAddedConnected(const std::string& interface_name, |
| 185 | const std::string& signal_name, |
| 186 | bool success) { |
| 187 | LOG_IF(WARNING, !success) << service_name_ << " " << object_path_.value() |
| 188 | << ": Failed to connect to InterfacesAdded signal."; |
| 189 | } |
| 190 | |
| 191 | void ObjectManager::InterfacesRemovedReceived(Signal* signal) { |
| 192 | DCHECK(signal); |
| 193 | MessageReader reader(signal); |
| 194 | ObjectPath object_path; |
| 195 | std::vector<std::string> interface_names; |
| 196 | if (!reader.PopObjectPath(&object_path) || |
| 197 | !reader.PopArrayOfStrings(&interface_names)) { |
| 198 | LOG(WARNING) << service_name_ << " " << object_path_.value() |
| 199 | << ": InterfacesRemoved signal has incorrect parameters: " |
| 200 | << signal->ToString(); |
| 201 | return; |
| 202 | } |
| 203 | |
| 204 | for (size_t i = 0; i < interface_names.size(); ++i) |
| 205 | RemoveInterface(object_path, interface_names[i]); |
| 206 | } |
| 207 | |
| 208 | void ObjectManager::InterfacesRemovedConnected( |
| 209 | const std::string& interface_name, |
| 210 | const std::string& signal_name, |
| 211 | bool success) { |
| 212 | LOG_IF(WARNING, !success) << service_name_ << " " << object_path_.value() |
| 213 | << ": Failed to connect to " |
| 214 | << "InterfacesRemoved signal."; |
| 215 | } |
| 216 | |
| 217 | void ObjectManager::UpdateObject(const ObjectPath& object_path, |
| 218 | MessageReader* reader) { |
| 219 | DCHECK(reader); |
| 220 | MessageReader array_reader(NULL); |
| 221 | if (!reader->PopArray(&array_reader)) |
| 222 | return; |
| 223 | |
| 224 | while (array_reader.HasMoreData()) { |
| 225 | MessageReader dict_entry_reader(NULL); |
| 226 | std::string interface_name; |
| 227 | if (!array_reader.PopDictEntry(&dict_entry_reader) || |
| 228 | !dict_entry_reader.PopString(&interface_name)) |
| 229 | continue; |
| 230 | |
| 231 | AddInterface(object_path, interface_name, &dict_entry_reader); |
| 232 | } |
| 233 | } |
| 234 | |
| 235 | |
| 236 | void ObjectManager::AddInterface(const ObjectPath& object_path, |
| 237 | const std::string& interface_name, |
| 238 | MessageReader* reader) { |
| 239 | InterfaceMap::iterator iiter = interface_map_.find(interface_name); |
| 240 | if (iiter == interface_map_.end()) |
| 241 | return; |
| 242 | Interface* interface = iiter->second; |
| 243 | |
| 244 | ObjectMap::iterator oiter = object_map_.find(object_path); |
| 245 | Object* object; |
| 246 | if (oiter == object_map_.end()) { |
| 247 | object = object_map_[object_path] = new Object; |
| 248 | object->object_proxy = bus_->GetObjectProxy(service_name_, object_path); |
| 249 | } else |
| 250 | object = oiter->second; |
| 251 | |
| 252 | Object::PropertiesMap::iterator piter = |
| 253 | object->properties_map.find(interface_name); |
| 254 | PropertySet* property_set; |
| 255 | const bool interface_added = (piter == object->properties_map.end()); |
| 256 | if (interface_added) { |
| 257 | property_set = object->properties_map[interface_name] = |
| 258 | interface->CreateProperties(object->object_proxy, |
| 259 | object_path, interface_name); |
| 260 | property_set->ConnectSignals(); |
| 261 | } else |
| 262 | property_set = piter->second; |
| 263 | |
| 264 | property_set->UpdatePropertiesFromReader(reader); |
| 265 | |
| 266 | if (interface_added) |
| 267 | interface->ObjectAdded(object_path, interface_name); |
| 268 | } |
| 269 | |
| 270 | void ObjectManager::RemoveInterface(const ObjectPath& object_path, |
| 271 | const std::string& interface_name) { |
| 272 | ObjectMap::iterator oiter = object_map_.find(object_path); |
| 273 | if (oiter == object_map_.end()) |
| 274 | return; |
| 275 | Object* object = oiter->second; |
| 276 | |
| 277 | Object::PropertiesMap::iterator piter = |
| 278 | object->properties_map.find(interface_name); |
| 279 | if (piter == object->properties_map.end()) |
| 280 | return; |
| 281 | |
| 282 | // Inform the interface before removing the properties structure or object |
| 283 | // in case it needs details from them to make its own decisions. |
| 284 | InterfaceMap::iterator iiter = interface_map_.find(interface_name); |
| 285 | if (iiter != interface_map_.end()) { |
| 286 | Interface* interface = iiter->second; |
| 287 | interface->ObjectRemoved(object_path, interface_name); |
| 288 | } |
| 289 | |
| 290 | object->properties_map.erase(piter); |
| 291 | |
| 292 | if (object->properties_map.empty()) { |
| 293 | object_map_.erase(oiter); |
| 294 | delete object; |
| 295 | } |
| 296 | } |
| 297 | |
keybuk@chromium.org | 40b05ba | 2014-03-07 11:24:33 +0900 | [diff] [blame] | 298 | void ObjectManager::NameOwnerChanged(const std::string& old_owner, |
| 299 | const std::string& new_owner) { |
| 300 | if (!old_owner.empty()) { |
| 301 | ObjectMap::iterator iter = object_map_.begin(); |
| 302 | while (iter != object_map_.end()) { |
| 303 | ObjectMap::iterator tmp = iter; |
| 304 | ++iter; |
| 305 | |
| 306 | // PropertiesMap is mutated by RemoveInterface, and also Object is |
| 307 | // destroyed; easier to collect the object path and interface names |
| 308 | // and remove them safely. |
| 309 | const dbus::ObjectPath object_path = tmp->first; |
| 310 | Object* object = tmp->second; |
| 311 | std::vector<std::string> interfaces; |
| 312 | |
| 313 | for (Object::PropertiesMap::iterator piter = |
| 314 | object->properties_map.begin(); |
| 315 | piter != object->properties_map.end(); ++piter) |
| 316 | interfaces.push_back(piter->first); |
| 317 | |
| 318 | for (std::vector<std::string>::iterator iiter = interfaces.begin(); |
| 319 | iiter != interfaces.end(); ++iiter) |
| 320 | RemoveInterface(object_path, *iiter); |
| 321 | } |
| 322 | |
| 323 | } |
| 324 | |
| 325 | if (!new_owner.empty()) |
| 326 | GetManagedObjects(); |
| 327 | } |
| 328 | |
keybuk@chromium.org | 0971501 | 2013-03-26 03:20:08 +0900 | [diff] [blame] | 329 | } // namespace dbus |