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// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/network/network_profile_handler.h"
#include <algorithm>
#include "base/bind.h"
#include "base/strings/string_util.h"
#include "base/values.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/shill_manager_client.h"
#include "chromeos/dbus/shill_profile_client.h"
#include "chromeos/network/network_profile_observer.h"
#include "dbus/object_path.h"
#include "third_party/cros_system_api/dbus/service_constants.h"
namespace chromeos {
namespace {
bool ConvertListValueToStringVector(const base::ListValue& string_list,
std::vector<std::string>* result) {
for (size_t i = 0; i < string_list.GetSize(); ++i) {
std::string str;
if (!string_list.GetString(i, &str))
return false;
result->push_back(str);
}
return true;
}
void LogProfileRequestError(const std::string& profile_path,
const std::string& error_name,
const std::string& error_message) {
LOG(ERROR) << "Error when requesting properties for profile "
<< profile_path << ": " << error_message;
}
class ProfilePathEquals {
public:
explicit ProfilePathEquals(const std::string& path)
: path_(path) {
}
bool operator()(const NetworkProfile& profile) {
return profile.path == path_;
}
private:
std::string path_;
};
} // namespace
// static
std::string NetworkProfileHandler::GetSharedProfilePath() {
return ShillProfileClient::GetSharedProfilePath();
}
void NetworkProfileHandler::AddObserver(NetworkProfileObserver* observer) {
observers_.AddObserver(observer);
}
void NetworkProfileHandler::RemoveObserver(NetworkProfileObserver* observer) {
observers_.RemoveObserver(observer);
}
void NetworkProfileHandler::GetManagerPropertiesCallback(
DBusMethodCallStatus call_status,
const base::DictionaryValue& properties) {
if (DBUS_METHOD_CALL_FAILURE) {
LOG(ERROR) << "Error when requesting manager properties.";
return;
}
const base::Value* profiles = NULL;
properties.GetWithoutPathExpansion(shill::kProfilesProperty, &profiles);
if (!profiles) {
LOG(ERROR) << "Manager properties returned from Shill don't contain "
<< "the field " << shill::kProfilesProperty;
return;
}
OnPropertyChanged(shill::kProfilesProperty, *profiles);
}
void NetworkProfileHandler::OnPropertyChanged(const std::string& name,
const base::Value& value) {
if (name != shill::kProfilesProperty)
return;
const base::ListValue* profiles_value = NULL;
value.GetAsList(&profiles_value);
DCHECK(profiles_value);
std::vector<std::string> new_profile_paths;
bool result = ConvertListValueToStringVector(*profiles_value,
&new_profile_paths);
DCHECK(result);
VLOG(2) << "Profiles: " << profiles_.size();
// Search for removed profiles.
std::vector<std::string> removed_profile_paths;
for (ProfileList::const_iterator it = profiles_.begin();
it != profiles_.end(); ++it) {
if (std::find(new_profile_paths.begin(),
new_profile_paths.end(),
it->path) == new_profile_paths.end()) {
removed_profile_paths.push_back(it->path);
}
}
for (const std::string& profile_path : removed_profile_paths) {
RemoveProfile(profile_path);
// Also stop pending creations of this profile.
pending_profile_creations_.erase(profile_path);
}
for (std::vector<std::string>::const_iterator it = new_profile_paths.begin();
it != new_profile_paths.end(); ++it) {
// Skip known profiles. The associated userhash should never change.
if (GetProfileForPath(*it) || pending_profile_creations_.count(*it) > 0)
continue;
pending_profile_creations_.insert(*it);
VLOG(2) << "Requesting properties of profile path " << *it << ".";
DBusThreadManager::Get()->GetShillProfileClient()->GetProperties(
dbus::ObjectPath(*it),
base::Bind(&NetworkProfileHandler::GetProfilePropertiesCallback,
weak_ptr_factory_.GetWeakPtr(),
*it),
base::Bind(&LogProfileRequestError, *it));
}
}
void NetworkProfileHandler::GetProfilePropertiesCallback(
const std::string& profile_path,
const base::DictionaryValue& properties) {
if (pending_profile_creations_.erase(profile_path) == 0) {
VLOG(1) << "Ignore received properties, profile was removed.";
return;
}
if (GetProfileForPath(profile_path)) {
VLOG(1) << "Ignore received properties, profile is already created.";
return;
}
std::string userhash;
properties.GetStringWithoutPathExpansion(shill::kUserHashProperty, &userhash);
AddProfile(NetworkProfile(profile_path, userhash));
}
void NetworkProfileHandler::AddProfile(const NetworkProfile& profile) {
VLOG(2) << "Adding profile " << profile.ToDebugString() << ".";
profiles_.push_back(profile);
FOR_EACH_OBSERVER(NetworkProfileObserver, observers_,
OnProfileAdded(profiles_.back()));
}
void NetworkProfileHandler::RemoveProfile(const std::string& profile_path) {
VLOG(2) << "Removing profile for path " << profile_path << ".";
ProfileList::iterator found = std::find_if(profiles_.begin(), profiles_.end(),
ProfilePathEquals(profile_path));
if (found == profiles_.end())
return;
NetworkProfile profile = *found;
profiles_.erase(found);
FOR_EACH_OBSERVER(NetworkProfileObserver, observers_,
OnProfileRemoved(profile));
}
const NetworkProfile* NetworkProfileHandler::GetProfileForPath(
const std::string& profile_path) const {
ProfileList::const_iterator found =
std::find_if(profiles_.begin(), profiles_.end(),
ProfilePathEquals(profile_path));
if (found == profiles_.end())
return NULL;
return &*found;
}
const NetworkProfile* NetworkProfileHandler::GetProfileForUserhash(
const std::string& userhash) const {
for (NetworkProfileHandler::ProfileList::const_iterator it =
profiles_.begin();
it != profiles_.end(); ++it) {
if (it->userhash == userhash)
return &*it;
}
return NULL;
}
const NetworkProfile* NetworkProfileHandler::GetDefaultUserProfile() const {
for (NetworkProfileHandler::ProfileList::const_iterator it =
profiles_.begin();
it != profiles_.end(); ++it) {
if (!it->userhash.empty())
return &*it;
}
return NULL;
}
NetworkProfileHandler::NetworkProfileHandler()
: weak_ptr_factory_(this) {
}
void NetworkProfileHandler::Init() {
DBusThreadManager::Get()->GetShillManagerClient()->
AddPropertyChangedObserver(this);
// Request the initial profile list.
DBusThreadManager::Get()->GetShillManagerClient()->GetProperties(
base::Bind(&NetworkProfileHandler::GetManagerPropertiesCallback,
weak_ptr_factory_.GetWeakPtr()));
}
NetworkProfileHandler::~NetworkProfileHandler() {
DBusThreadManager::Get()->GetShillManagerClient()->
RemovePropertyChangedObserver(this);
}
} // namespace chromeos
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