Attachment.cpp

/*
 * MIT License
 *
 * Copyright (c) 2025 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 "Attachment.h"
#include "Client.h"
#include "Exception.h"
 
using namespace fbcpp;
using namespace fbcpp::impl;
 
 
Attachment::Attachment(Client& client, const std::string& uri, const AttachmentOptions& options)
    : client{client}
{
    const auto master = client.getMaster();
 
    const auto status = client.newStatus();
    StatusWrapper statusWrapper{client, status.get()};
 
    auto dpbBuilder = fbUnique(master->getUtilInterface()->getXpbBuilder(&statusWrapper, fb::IXpbBuilder::DPB,
        reinterpret_cast<const std::uint8_t*>(options.getDpb().data()),
        static_cast<unsigned>(options.getDpb().size())));
 
    if (const auto connectionCharSet = options.getConnectionCharSet())
        dpbBuilder->insertString(&statusWrapper, isc_dpb_lc_ctype, connectionCharSet->c_str());
 
    if (const auto userName = options.getUserName())
        dpbBuilder->insertString(&statusWrapper, isc_dpb_user_name, userName->c_str());
 
    if (const auto password = options.getPassword())
        dpbBuilder->insertString(&statusWrapper, isc_dpb_password, password->c_str());
 
    if (const auto role = options.getRole())
        dpbBuilder->insertString(&statusWrapper, isc_dpb_sql_role_name, role->c_str());
 
    auto dispatcher = fbRef(master->getDispatcher());
    const auto dpbBuffer = dpbBuilder->getBuffer(&statusWrapper);
    const auto dpbBufferLen = dpbBuilder->getBufferLength(&statusWrapper);
 
    if (options.getCreateDatabase())
        handle.reset(dispatcher->createDatabase(&statusWrapper, uri.c_str(), dpbBufferLen, dpbBuffer));
    else
        handle.reset(dispatcher->attachDatabase(&statusWrapper, uri.c_str(), dpbBufferLen, dpbBuffer));
}
 
void Attachment::disconnectOrDrop(bool drop)
{
    assert(isValid());
 
    const auto status = client.newStatus();
    StatusWrapper statusWrapper{client, status.get()};
 
    if (drop)
        handle->dropDatabase(&statusWrapper);
    else
        handle->detach(&statusWrapper);
 
    handle.reset();
}
 
 
void Attachment::disconnect()
{
    disconnectOrDrop(false);
}
 
void Attachment::dropDatabase()
{
    disconnectOrDrop(true);
}