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 "chromeos/network/network_profile_handler.h" 6 7 #include <algorithm> 8 9 #include "base/bind.h" 10 #include "base/strings/string_util.h" 11 #include "base/values.h" 12 #include "chromeos/dbus/dbus_thread_manager.h" 13 #include "chromeos/dbus/shill_manager_client.h" 14 #include "chromeos/dbus/shill_profile_client.h" 15 #include "chromeos/network/network_profile_observer.h" 16 #include "chromeos/network/network_state_handler.h" 17 #include "dbus/object_path.h" 18 #include "third_party/cros_system_api/dbus/service_constants.h" 19 20 namespace chromeos { 21 22 namespace { 23 24 bool ConvertListValueToStringVector(const base::ListValue& string_list, 25 std::vector<std::string>* result) { 26 for (size_t i = 0; i < string_list.GetSize(); ++i) { 27 std::string str; 28 if (!string_list.GetString(i, &str)) 29 return false; 30 result->push_back(str); 31 } 32 return true; 33 } 34 35 void LogProfileRequestError(const std::string& profile_path, 36 const std::string& error_name, 37 const std::string& error_message) { 38 LOG(ERROR) << "Error when requesting properties for profile " 39 << profile_path << ": " << error_message; 40 } 41 42 class ProfilePathEquals { 43 public: 44 explicit ProfilePathEquals(const std::string& path) 45 : path_(path) { 46 } 47 48 bool operator()(const NetworkProfile& profile) { 49 return profile.path == path_; 50 } 51 52 private: 53 std::string path_; 54 }; 55 56 } // namespace 57 58 // static 59 const char NetworkProfileHandler::kSharedProfilePath[] = "/profile/default"; 60 61 void NetworkProfileHandler::AddObserver(NetworkProfileObserver* observer) { 62 observers_.AddObserver(observer); 63 } 64 65 void NetworkProfileHandler::RemoveObserver(NetworkProfileObserver* observer) { 66 observers_.RemoveObserver(observer); 67 } 68 69 void NetworkProfileHandler::GetManagerPropertiesCallback( 70 DBusMethodCallStatus call_status, 71 const base::DictionaryValue& properties) { 72 if (DBUS_METHOD_CALL_FAILURE) { 73 LOG(ERROR) << "Error when requesting manager properties."; 74 return; 75 } 76 77 const base::Value* profiles = NULL; 78 properties.GetWithoutPathExpansion(shill::kProfilesProperty, &profiles); 79 if (!profiles) { 80 LOG(ERROR) << "Manager properties returned from Shill don't contain " 81 << "the field " << shill::kProfilesProperty; 82 return; 83 } 84 OnPropertyChanged(shill::kProfilesProperty, *profiles); 85 } 86 87 void NetworkProfileHandler::OnPropertyChanged(const std::string& name, 88 const base::Value& value) { 89 if (name != shill::kProfilesProperty) 90 return; 91 92 const base::ListValue* profiles_value = NULL; 93 value.GetAsList(&profiles_value); 94 DCHECK(profiles_value); 95 96 std::vector<std::string> new_profile_paths; 97 bool result = ConvertListValueToStringVector(*profiles_value, 98 &new_profile_paths); 99 DCHECK(result); 100 101 VLOG(2) << "Profiles: " << profiles_.size(); 102 // Search for removed profiles. 103 std::vector<std::string> removed_profile_paths; 104 for (ProfileList::const_iterator it = profiles_.begin(); 105 it != profiles_.end(); ++it) { 106 if (std::find(new_profile_paths.begin(), 107 new_profile_paths.end(), 108 it->path) == new_profile_paths.end()) { 109 removed_profile_paths.push_back(it->path); 110 } 111 } 112 113 for (std::vector<std::string>::const_iterator it = 114 removed_profile_paths.begin(); 115 it != removed_profile_paths.end(); ++it) { 116 RemoveProfile(*it); 117 } 118 119 for (std::vector<std::string>::const_iterator it = new_profile_paths.begin(); 120 it != new_profile_paths.end(); ++it) { 121 // Skip known profiles. The associated userhash should never change. 122 if (GetProfileForPath(*it)) 123 continue; 124 125 VLOG(2) << "Requesting properties of profile path " << *it << "."; 126 DBusThreadManager::Get()->GetShillProfileClient()->GetProperties( 127 dbus::ObjectPath(*it), 128 base::Bind(&NetworkProfileHandler::GetProfilePropertiesCallback, 129 weak_ptr_factory_.GetWeakPtr(), 130 *it), 131 base::Bind(&LogProfileRequestError, *it)); 132 } 133 134 // When the profile list changes, ServiceCompleteList may also change, so 135 // trigger a Manager update to request the updated list. 136 if (network_state_handler_) 137 network_state_handler_->UpdateManagerProperties(); 138 } 139 140 void NetworkProfileHandler::GetProfilePropertiesCallback( 141 const std::string& profile_path, 142 const base::DictionaryValue& properties) { 143 std::string userhash; 144 properties.GetStringWithoutPathExpansion(shill::kUserHashProperty, &userhash); 145 146 AddProfile(NetworkProfile(profile_path, userhash)); 147 } 148 149 void NetworkProfileHandler::AddProfile(const NetworkProfile& profile) { 150 VLOG(2) << "Adding profile " << profile.ToDebugString() << "."; 151 profiles_.push_back(profile); 152 FOR_EACH_OBSERVER(NetworkProfileObserver, observers_, 153 OnProfileAdded(profiles_.back())); 154 } 155 156 void NetworkProfileHandler::RemoveProfile(const std::string& profile_path) { 157 VLOG(2) << "Removing profile for path " << profile_path << "."; 158 ProfileList::iterator found = std::find_if(profiles_.begin(), profiles_.end(), 159 ProfilePathEquals(profile_path)); 160 if (found == profiles_.end()) 161 return; 162 NetworkProfile profile = *found; 163 profiles_.erase(found); 164 FOR_EACH_OBSERVER(NetworkProfileObserver, observers_, 165 OnProfileRemoved(profile)); 166 } 167 168 const NetworkProfile* NetworkProfileHandler::GetProfileForPath( 169 const std::string& profile_path) const { 170 ProfileList::const_iterator found = 171 std::find_if(profiles_.begin(), profiles_.end(), 172 ProfilePathEquals(profile_path)); 173 174 if (found == profiles_.end()) 175 return NULL; 176 return &*found; 177 } 178 179 const NetworkProfile* NetworkProfileHandler::GetProfileForUserhash( 180 const std::string& userhash) const { 181 for (NetworkProfileHandler::ProfileList::const_iterator it = 182 profiles_.begin(); 183 it != profiles_.end(); ++it) { 184 if (it->userhash == userhash) 185 return &*it; 186 } 187 return NULL; 188 } 189 190 const NetworkProfile* NetworkProfileHandler::GetDefaultUserProfile() const { 191 for (NetworkProfileHandler::ProfileList::const_iterator it = 192 profiles_.begin(); 193 it != profiles_.end(); ++it) { 194 if (!it->userhash.empty()) 195 return &*it; 196 } 197 return NULL; 198 } 199 200 NetworkProfileHandler::NetworkProfileHandler() 201 : network_state_handler_(NULL), 202 weak_ptr_factory_(this) { 203 } 204 205 void NetworkProfileHandler::Init(NetworkStateHandler* network_state_handler) { 206 network_state_handler_ = network_state_handler; 207 208 DBusThreadManager::Get()->GetShillManagerClient()-> 209 AddPropertyChangedObserver(this); 210 211 // Request the initial profile list. 212 DBusThreadManager::Get()->GetShillManagerClient()->GetProperties( 213 base::Bind(&NetworkProfileHandler::GetManagerPropertiesCallback, 214 weak_ptr_factory_.GetWeakPtr())); 215 } 216 217 NetworkProfileHandler::~NetworkProfileHandler() { 218 DBusThreadManager::Get()->GetShillManagerClient()-> 219 RemovePropertyChangedObserver(this); 220 } 221 222 } // namespace chromeos 223
