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/*
* Copyright 2018 Google Inc.
*
* 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 "file_handler.hpp"
#include <cstdint>
#include <filesystem>
#include <memory>
#include <string>
#include <vector>
namespace ipmi_flash
{
namespace fs = std::filesystem;
bool FileHandler::open(const std::string& path)
{
this->path = path;
if (file.is_open())
{
/* This wasn't properly closed somehow.
* TODO: Throw an error or just reset the state?
*/
return false;
}
/* using ofstream no need to set out */
file.open(filename, std::ios::binary);
if (file.bad())
{
/* TODO: Oh no! Care about this. */
return false;
}
/* We were able to open the file for staging.
* TODO: We'll need to do other stuff to eventually.
*/
return true;
}
void FileHandler::close()
{
if (file.is_open())
{
file.close();
}
return;
}
bool FileHandler::write(std::uint32_t offset,
const std::vector<std::uint8_t>& data)
{
if (!file.is_open())
{
return false;
}
/* We could track this, but if they write in a scattered method, this is
* easier.
*/
file.seekp(offset, std::ios_base::beg);
if (!file.good())
{
/* the documentation wasn't super clear on fail vs bad in these cases,
* so let's only be happy with goodness.
*/
return false;
}
file.write(reinterpret_cast<const char*>(data.data()), data.size());
if (!file.good())
{
return false;
}
return true;
}
int FileHandler::getSize()
{
try
{
return static_cast<int>(fs::file_size(filename));
}
catch (const fs::filesystem_error& e)
{
}
return 0;
}
} // namespace ipmi_flash
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