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//
// Copyright (C) 2013 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include "shill/pending_activation_store.h"
#include "shill/logging.h"
#include "shill/store_factory.h"
#include "shill/store_interface.h"
using base::FilePath;
using std::string;
namespace shill {
namespace Logging {
static auto kModuleLogScope = ScopeLogger::kCellular;
static string ObjectID(const PendingActivationStore* p) {
return "(pending_activation_store)";
}
}
const char PendingActivationStore::kIccidGroupId[] = "iccid_list";
const char PendingActivationStore::kMeidGroupId[] = "meid_list";
// We're keeping the old file name here for backwards compatibility.
const char PendingActivationStore::kStorageFileName[] =
"activating_iccid_store.profile";
PendingActivationStore::PendingActivationStore() {}
PendingActivationStore::~PendingActivationStore() {
if (storage_.get())
storage_->Flush(); // Make certain that everything is persisted.
}
namespace {
string StateToString(PendingActivationStore::State state) {
switch (state) {
case PendingActivationStore::kStateUnknown:
return "Unknown";
case PendingActivationStore::kStatePending:
return "Pending";
case PendingActivationStore::kStateActivated:
return "Activated";
default:
return "Invalid";
}
}
string FormattedIdentifier(PendingActivationStore::IdentifierType type,
const string& identifier) {
string label;
switch (type) {
case PendingActivationStore::kIdentifierICCID:
label = "ICCID";
break;
case PendingActivationStore::kIdentifierMEID:
label = "MEID";
break;
default:
NOTREACHED();
}
return "[" + label + "=" + identifier + "]";
}
} // namespace
// static
string PendingActivationStore::IdentifierTypeToGroupId(IdentifierType type) {
switch (type) {
case kIdentifierICCID:
return kIccidGroupId;
case kIdentifierMEID:
return kMeidGroupId;
default:
SLOG(Cellular, nullptr, 2) << "Incorrect identifier type: " << type;
return "";
}
}
bool PendingActivationStore::InitStorage(const FilePath& storage_path) {
// Close the current file.
if (storage_.get()) {
storage_->Flush();
storage_.reset(); // KeyFileStore closes the file in its destructor.
}
if (storage_path.empty()) {
LOG(ERROR) << "Empty storage directory path provided.";
return false;
}
FilePath path = storage_path.Append(kStorageFileName);
std::unique_ptr<StoreInterface> storage(
StoreFactory::GetInstance()->CreateStore(path));
bool already_exists = storage->IsNonEmpty();
if (!storage->Open()) {
LOG(ERROR) << "Failed to open file at '" << path.AsUTF8Unsafe() << "'";
if (already_exists)
storage->MarkAsCorrupted();
return false;
}
if (!already_exists)
storage->SetHeader("Identifiers pending cellular activation.");
storage_.reset(storage.release());
return true;
}
PendingActivationStore::State PendingActivationStore::GetActivationState(
IdentifierType type,
const string& identifier) const {
string formatted_identifier = FormattedIdentifier(type, identifier);
SLOG(this, 2) << __func__ << ": " << formatted_identifier;
if (!storage_.get()) {
LOG(ERROR) << "Underlying storage not initialized.";
return kStateUnknown;
}
int state = 0;
if (!storage_->GetInt(IdentifierTypeToGroupId(type), identifier, &state)) {
SLOG(this, 2) << "No entry exists for " << formatted_identifier;
return kStateUnknown;
}
if (state <= 0 || state >= kStateMax) {
SLOG(this, 2) << "State value read for " << formatted_identifier
<< " is invalid.";
return kStateUnknown;
}
return static_cast<State>(state);
}
bool PendingActivationStore::SetActivationState(
IdentifierType type,
const string& identifier,
State state) {
SLOG(this, 2) << __func__ << ": State=" << StateToString(state) << ", "
<< FormattedIdentifier(type, identifier);
if (!storage_.get()) {
LOG(ERROR) << "Underlying storage not initialized.";
return false;
}
if (state == kStateUnknown) {
SLOG(this, 2) << "kStateUnknown cannot be used as a value.";
return false;
}
if (state < 0 || state >= kStateMax) {
SLOG(this, 2) << "Cannot set state to \"" << StateToString(state)
<< "\"";
return false;
}
if (!storage_->SetInt(
IdentifierTypeToGroupId(type), identifier, static_cast<int>(state))) {
SLOG(this, 2) << "Failed to store the given identifier and state "
<< "values.";
return false;
}
return storage_->Flush();
}
bool PendingActivationStore::RemoveEntry(IdentifierType type,
const std::string& identifier) {
SLOG(this, 2) << __func__ << ": "
<< FormattedIdentifier(type, identifier);
if (!storage_.get()) {
LOG(ERROR) << "Underlying storage not initialized.";
return false;
}
if (!storage_->DeleteKey(IdentifierTypeToGroupId(type), identifier)) {
SLOG(this, 2) << "Failed to remove the given identifier.";
return false;
}
return storage_->Flush();
}
} // namespace shill
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