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/* SPDX-License-Identifier: Apache-2.0 */
/* Copyright (C) 2018 IBM Corp. */
#include <assert.h>
#include <string.h>
#include <vector>
#include <fstream>
#include <experimental/filesystem>
#include "config.h"
#include "mbox.h"
#include "pnor_partition_table.hpp"
namespace openpower
{
namespace virtual_pnor
{
namespace test
{
namespace fs = std::experimental::filesystem;
class VpnorRoot
{
public:
template <std::size_t N>
VpnorRoot(struct mbox_context* ctx, const std::string (&toc)[N],
size_t blockSize)
{
char tmplt[] = "/tmp/vpnor_root.XXXXXX";
char* tmpdir = mkdtemp(tmplt);
root = fs::path{tmpdir};
for (const auto& attr : attributes)
{
fs::create_directory(root / attr);
}
fs::path tocFilePath = root / "ro" / PARTITION_TOC_FILE;
for (const std::string& line : toc)
{
pnor_partition part;
openpower::virtual_pnor::parseTocLine(line, blockSize, part);
/* Populate the partition in the tree */
std::vector<char> zeroed(part.data.actual, 0);
fs::path partitionFilePath = root / "ro" / part.data.name;
std::ofstream(partitionFilePath)
.write(zeroed.data(), zeroed.size());
/* Update the ToC if the partition file was created */
std::ofstream(tocFilePath, std::ofstream::app) << line << "\n";
}
strncpy(ctx->paths.ro_loc, ro().c_str(), PATH_MAX - 1);
ctx->paths.ro_loc[PATH_MAX - 1] = '\0';
strncpy(ctx->paths.rw_loc, rw().c_str(), PATH_MAX - 1);
ctx->paths.rw_loc[PATH_MAX - 1] = '\0';
strncpy(ctx->paths.prsv_loc, prsv().c_str(), PATH_MAX - 1);
ctx->paths.prsv_loc[PATH_MAX - 1] = '\0';
strncpy(ctx->paths.patch_loc, patch().c_str(), PATH_MAX - 1);
ctx->paths.patch_loc[PATH_MAX - 1] = '\0';
}
VpnorRoot(const VpnorRoot&) = delete;
VpnorRoot& operator=(const VpnorRoot&) = delete;
VpnorRoot(VpnorRoot&&) = delete;
VpnorRoot& operator=(VpnorRoot&&) = delete;
~VpnorRoot()
{
fs::remove_all(root);
}
fs::path ro()
{
return fs::path{root} / "ro";
}
fs::path rw()
{
return fs::path{root} / "rw";
}
fs::path prsv()
{
return fs::path{root} / "prsv";
}
fs::path patch()
{
return fs::path{root} / "patch";
}
size_t write(const std::string& name, const void* data, size_t len);
private:
fs::path root;
const std::string attributes[4] = {"ro", "rw", "prsv", "patch"};
};
} // test
} // virtual_pnor
} // openpower
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