File size: 2,315 Bytes
2492322 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | // Copyright (c) 2019, QuantStack and Mamba Contributors
//
// Distributed under the terms of the BSD 3-Clause License.
//
// The full license is in the file LICENSE, distributed with this software.
#ifndef MAMBA_CORE_PACKAGE_CACHE
#define MAMBA_CORE_PACKAGE_CACHE
#include <map>
#include <string>
#include <vector>
#include "mamba/core/fsutil.hpp"
#include "mamba/fs/filesystem.hpp"
#include "mamba/specs/package_info.hpp"
#define PACKAGE_CACHE_MAGIC_FILE "urls.txt"
namespace mamba
{
struct ValidationParams;
enum class Writable
{
UNKNOWN,
WRITABLE,
NOT_WRITABLE,
DIR_DOES_NOT_EXIST
};
// TODO layered package caches
class PackageCacheData
{
public:
explicit PackageCacheData(const fs::u8path& path);
bool create_directory();
void set_writable(Writable writable);
Writable is_writable();
fs::u8path path() const;
void clear_query_cache(const specs::PackageInfo& s);
bool has_valid_tarball(const specs::PackageInfo& s, const ValidationParams& params);
bool has_valid_extracted_dir(const specs::PackageInfo& s, const ValidationParams& params);
private:
void check_writable();
std::map<std::string, bool> m_valid_tarballs;
std::map<std::string, bool> m_valid_extracted_dir;
Writable m_writable = Writable::UNKNOWN;
fs::u8path m_path;
};
class MultiPackageCache
{
public:
MultiPackageCache(const std::vector<fs::u8path>& pkgs_dirs, const ValidationParams& params);
std::vector<fs::u8path> paths() const;
fs::u8path get_tarball_path(const specs::PackageInfo& s, bool return_empty = true);
fs::u8path get_extracted_dir_path(const specs::PackageInfo& s, bool return_empty = true);
fs::u8path first_writable_path();
PackageCacheData& first_writable_cache(bool create = false);
std::vector<PackageCacheData*> writable_caches();
void clear_query_cache(const specs::PackageInfo& s);
private:
std::vector<PackageCacheData> m_caches;
std::map<std::string, fs::u8path> m_cached_tarballs;
std::map<std::string, fs::u8path> m_cached_extracted_dirs;
const ValidationParams& m_params;
};
} // namespace mamba
#endif
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