/*
* Copyright 2016 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 "secure_storage.h"
namespace avb {
SecureStorage::~SecureStorage() {
close();
}
int SecureStorage::open(const char * name) {
// Close any storage session/file still open
close();
error_ = storage_open_session(&session_handle_, STORAGE_CLIENT_TP_PORT);
if (error_ < 0 ) {
return error_;
}
error_ = storage_open_file(session_handle_, &file_handle_, name,
STORAGE_FILE_OPEN_CREATE, 0 /* don't commit */);
return error_;
}
int SecureStorage::delete_file(const char * name) {
// Reuse existing storage session if possible
if (session_handle_ == 0 ) {
error_ = storage_open_session(&session_handle_, STORAGE_CLIENT_TP_PORT);
}
if (error_ < 0 ) {
return error_;
}
return storage_delete_file(session_handle_, name, STORAGE_OP_COMPLETE);
}
int SecureStorage::read(uint64_t off, void * buf, size_t size) const {
if (error_ < 0 ) {
return error_;
}
return storage_read(file_handle_, off, buf, size);
}
int SecureStorage::get_file_size(uint64_t* size) const {
if (error_ < 0 ) {
return error_;
}
return storage_get_file_size(file_handle_, size);
}
int SecureStorage::write(uint64_t off, const void * buf, size_t size) const {
if (error_ < 0 ) {
return error_;
}
return storage_write(file_handle_, off, buf, size, STORAGE_OP_COMPLETE);
}
void SecureStorage::close() {
if (error_ < 0 ) {
return ;
}
if (file_handle_) {
storage_close_file(file_handle_);
}
if (session_handle_) {
storage_close_session(session_handle_);
}
file_handle_ = 0 ;
session_handle_ = 0 ;
error_ = -EINVAL;
}
} // namespace avb
Messung V0.5 in Prozent C=85 H=86 G=85
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-06-26)
¤
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