BackupManager.cpp

/*
 * MIT License
 *
 * Copyright (c) 2026 Adriano dos Santos Fernandes
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 */
 
#include "BackupManager.h"
#include "Client.h"
#include <cassert>
 
using namespace fbcpp;
using namespace fbcpp::impl;
 
void BackupManager::backup(const BackupOptions& options)
{
    StatusWrapper statusWrapper{getClient()};
    auto builder =
        fbUnique(getClient().getUtil()->getXpbBuilder(&statusWrapper, fb::IXpbBuilder::SPB_START, nullptr, 0));
    builder->insertTag(&statusWrapper, isc_action_svc_backup);
    builder->insertString(&statusWrapper, isc_spb_dbname, options.getDatabase().c_str());
 
    for (const auto& backupFile : options.getBackupFiles())
    {
        builder->insertString(&statusWrapper, isc_spb_bkp_file, backupFile.path.c_str());
 
        if (backupFile.length)
            addSpbInt(builder.get(), &statusWrapper, isc_spb_bkp_length, *backupFile.length, "Backup file length");
    }
 
    if (options.getVerboseOutput())
        builder->insertTag(&statusWrapper, isc_spb_verbose);
 
    if (const auto parallelWorkers = options.getParallelWorkers())
        builder->insertInt(&statusWrapper, isc_spb_bkp_parallel_workers, static_cast<int>(*parallelWorkers));
 
    const auto buffer = builder->getBuffer(&statusWrapper);
    const auto length = builder->getBufferLength(&statusWrapper);
 
    startAction(std::vector<std::uint8_t>(buffer, buffer + length));
    waitForCompletion(options.getVerboseOutput());
}
 
void BackupManager::restore(const RestoreOptions& options)
{
    StatusWrapper statusWrapper{getClient()};
    auto builder =
        fbUnique(getClient().getUtil()->getXpbBuilder(&statusWrapper, fb::IXpbBuilder::SPB_START, nullptr, 0));
    builder->insertTag(&statusWrapper, isc_action_svc_restore);
 
    for (const auto& databaseFile : options.getDatabaseFiles())
    {
        builder->insertString(&statusWrapper, isc_spb_dbname, databaseFile.path.c_str());
 
        if (databaseFile.length)
            addSpbInt(builder.get(), &statusWrapper, isc_spb_res_length, *databaseFile.length, "Database file length");
    }
 
    for (const auto& backupFile : options.getBackupFiles())
        builder->insertString(&statusWrapper, isc_spb_bkp_file, backupFile.c_str());
 
    builder->insertInt(
        &statusWrapper, isc_spb_options, options.getReplace() ? isc_spb_res_replace : isc_spb_res_create);
 
    if (options.getVerboseOutput())
        builder->insertTag(&statusWrapper, isc_spb_verbose);
 
    if (const auto parallelWorkers = options.getParallelWorkers())
        builder->insertInt(&statusWrapper, isc_spb_res_parallel_workers, static_cast<int>(*parallelWorkers));
 
    if (const auto replicaMode = options.getReplicaMode())
    {
        std::uint8_t modeVal = 0;
        switch (*replicaMode)
        {
            case ReplicaMode::NONE:
                modeVal = isc_spb_res_rm_none;
                break;
            case ReplicaMode::READ_ONLY:
                modeVal = isc_spb_res_rm_readonly;
                break;
            case ReplicaMode::READ_WRITE:
                modeVal = isc_spb_res_rm_readwrite;
                break;
            default:
                assert(false);
                break;
        }
        builder->insertBytes(&statusWrapper, isc_spb_res_replica_mode, &modeVal, 1u);
    }
 
    const auto buffer = builder->getBuffer(&statusWrapper);
    const auto length = builder->getBufferLength(&statusWrapper);
 
    startAction(std::vector<std::uint8_t>(buffer, buffer + length));
    waitForCompletion(options.getVerboseOutput(), true);
}