feat(host): vendor PyroWave + minimal Granite subset as crates/pyrowave-sys
Phase 0 of design/pyrowave-codec-plan.md — the opt-in wired-LAN ultra-low- latency codec. Vendored at upstream 509e4f88 (API 0.4.0, Granite 44362775, volk + vulkan-headers pins in PUNKTFUNK-VENDOR.txt), pruned to the 6.6 MB the standalone no-renderer build needs; scripts/vendor-pyrowave.sh reproduces the tree (a pin bump is protocol-affecting, plan §4.2). build.rs drives the wrapper CMakeLists (static archives incl. a static C-API lib upstream only ships shared) + bindgen over pyrowave.h; Linux and Windows only, empty stub elsewhere (Apple gets a native Metal port, §4.7). Offline-safe by construction: no network, no system lib, vendored Vulkan headers — same model as the opus dep (flatpak builder has no network). Phase-0 validation on .21 (RTX 5070 Ti, driver 610.43.03): - upstream pyrowave-c-test + interop test (incl. dmabuf/DRM-modifier Vulkan<->Vulkan) pass, from the pristine AND the pruned tree - GPU kernel times at ~1.6 bpp noise: encode/decode 0.090/0.042 ms @800p, 0.146/0.067 @1080p, 0.226/0.103 @1440p, 0.477/0.201 @4K — order of magnitude under NVENC's 1-2 ms retrieve, CBR lands within ~100 B of target - cargo test -p pyrowave-sys green (static link + API-version pin check) Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
This commit is contained in:
+471
@@ -0,0 +1,471 @@
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/* Copyright (c) 2017-2026 Hans-Kristian Arntzen
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
|
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
|
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "os_filesystem.hpp"
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#include "path_utils.hpp"
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#include "logging.hpp"
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#include <stdexcept>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <atomic>
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namespace Granite
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{
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static bool ensure_directory_inner(const std::string &path)
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{
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if (Path::is_root_path(path))
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return false;
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auto wpath = Path::to_utf16(path);
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struct __stat64 s;
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if (::_wstat64(wpath.c_str(), &s) >= 0 && (s.st_mode & _S_IFDIR) != 0)
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return true;
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auto basedir = Path::basedir(path);
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if (!ensure_directory_inner(basedir))
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return false;
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if (!CreateDirectoryW(wpath.c_str(), nullptr))
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return GetLastError() == ERROR_ALREADY_EXISTS;
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return true;
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}
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static bool ensure_directory(const std::string &path)
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{
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auto basedir = Path::basedir(path);
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return ensure_directory_inner(basedir);
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}
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FileHandle MappedFile::open(const std::string &path, Granite::FileMode mode)
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{
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auto file = Util::make_handle<MappedFile>();
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if (!file->init(path, mode))
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file.reset();
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return file;
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}
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static std::atomic_uint32_t global_transaction_counter;
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bool MappedFile::init(const std::string &path, FileMode mode)
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{
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DWORD access = 0;
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DWORD disposition = 0;
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switch (mode)
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{
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case FileMode::ReadOnly:
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access = GENERIC_READ;
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disposition = OPEN_EXISTING;
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break;
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case FileMode::ReadWrite:
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if (!ensure_directory(path))
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{
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LOGE("MappedFile failed to create directory.\n");
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return false;
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}
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access = GENERIC_READ | GENERIC_WRITE;
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disposition = OPEN_ALWAYS;
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break;
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case FileMode::WriteOnly:
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case FileMode::WriteOnlyTransactional:
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if (!ensure_directory(path))
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{
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LOGE("MappedFile failed to create directory.\n");
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return false;
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}
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access = GENERIC_READ | GENERIC_WRITE;
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disposition = CREATE_ALWAYS;
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break;
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}
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if (mode == FileMode::WriteOnlyTransactional)
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{
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// Use atomic file rename to ensure that a file is written atomically.
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rename_to_on_close = path;
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rename_from_on_close =
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path + ".tmp." +
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std::to_string(GetCurrentProcessId()) + "." +
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std::to_string(global_transaction_counter.fetch_add(1, std::memory_order_relaxed));
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}
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auto wpath = Path::to_utf16(rename_from_on_close.empty() ? path : rename_from_on_close);
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file = CreateFileW(wpath.c_str(), access, FILE_SHARE_READ, nullptr, disposition,
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FILE_ATTRIBUTE_NORMAL | FILE_FLAG_SEQUENTIAL_SCAN, INVALID_HANDLE_VALUE);
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if (file == INVALID_HANDLE_VALUE)
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{
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rename_to_on_close.clear();
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rename_from_on_close.clear();
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return false;
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}
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if (mode != FileMode::WriteOnly && mode != FileMode::WriteOnlyTransactional)
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{
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DWORD hi;
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DWORD lo = GetFileSize(file, &hi);
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size = (uint64_t(hi) << 32) | uint32_t(lo);
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file_mapping = CreateFileMappingW(file, nullptr, PAGE_READONLY, 0, 0, nullptr);
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}
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return true;
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}
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uint64_t MappedFile::get_size()
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{
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return size;
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}
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struct PageSizeQuery
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{
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PageSizeQuery()
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{
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SYSTEM_INFO system_info = {};
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GetSystemInfo(&system_info);
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page_size = system_info.dwPageSize;
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}
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uint32_t page_size = 0;
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};
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static PageSizeQuery static_page_size_query;
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FileMappingHandle MappedFile::map_subset(uint64_t offset, size_t range)
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{
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if (offset + range > size)
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return {};
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if (!file_mapping)
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return {};
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uint64_t begin_map = offset & ~uint64_t(static_page_size_query.page_size - 1);
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DWORD hi = DWORD(begin_map >> 32);
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DWORD lo = DWORD(begin_map & 0xffffffffu);
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uint64_t end_mapping = offset + range;
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size_t mapped_size = end_mapping - begin_map;
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void *mapped = MapViewOfFile(file_mapping, FILE_MAP_READ, hi, lo, mapped_size);
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if (!mapped)
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return {};
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return Util::make_handle<FileMapping>(
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reference_from_this(), offset,
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static_cast<uint8_t *>(mapped) + begin_map, mapped_size,
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offset - begin_map, range);
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}
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FileMappingHandle MappedFile::map_write(size_t map_size)
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{
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size = map_size;
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#ifdef _WIN64
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DWORD hi = DWORD(size >> 32);
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DWORD lo = DWORD(size & 0xffffffffu);
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#else
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DWORD hi = 0;
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DWORD lo = DWORD(size);
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#endif
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HANDLE file_view = CreateFileMappingW(file, nullptr, PAGE_READWRITE, hi, lo, nullptr);
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if (!file_view)
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return {};
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void *mapped = MapViewOfFile(file_view, FILE_MAP_ALL_ACCESS, 0, 0, size);
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CloseHandle(file_view);
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if (!mapped)
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return {};
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return Util::make_handle<FileMapping>(reference_from_this(), 0,
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static_cast<uint8_t *>(mapped), size,
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0, size);
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}
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void MappedFile::unmap(void *mapped, size_t)
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{
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if (mapped)
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UnmapViewOfFile(mapped);
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}
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MappedFile::~MappedFile()
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{
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if (file_mapping)
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CloseHandle(file_mapping);
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if (file != INVALID_HANDLE_VALUE)
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CloseHandle(file);
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if (!rename_from_on_close.empty() && !rename_to_on_close.empty())
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{
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auto to_w16 = Path::to_utf16(rename_to_on_close);
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auto from_w16 = Path::to_utf16(rename_from_on_close);
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DWORD code = S_OK;
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if (!MoveFileW(from_w16.c_str(), to_w16.c_str()))
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{
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code = GetLastError();
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if (code == ERROR_ALREADY_EXISTS && !ReplaceFileW(to_w16.c_str(), from_w16.c_str(), nullptr, 0, nullptr, nullptr))
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code = GetLastError();
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}
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if (FAILED(code))
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LOGE("Failed to rename file %s -> %s (0x%lx).\n", rename_from_on_close.c_str(), rename_to_on_close.c_str(), code);
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}
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}
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OSFilesystem::OSFilesystem(const std::string &base_)
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: base(base_)
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{
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}
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OSFilesystem::~OSFilesystem()
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{
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for (auto &handler : handlers)
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{
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CancelIo(handler.second.handle);
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CloseHandle(handler.second.handle);
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CloseHandle(handler.second.event);
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}
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}
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std::string OSFilesystem::get_filesystem_path(const std::string &path)
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{
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return Path::join(base, path);
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}
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FileHandle OSFilesystem::open(const std::string &path, FileMode mode)
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{
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return MappedFile::open(Path::join(base, path), mode);
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}
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void OSFilesystem::poll_notifications()
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{
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for (auto &handler : handlers)
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{
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if (WaitForSingleObject(handler.second.event, 0) != WAIT_OBJECT_0)
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continue;
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DWORD bytes_returned;
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if (!GetOverlappedResult(handler.second.handle, &handler.second.overlapped, &bytes_returned, TRUE))
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continue;
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size_t offset = 0;
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const FILE_NOTIFY_INFORMATION *info = nullptr;
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do
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{
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info = reinterpret_cast<const FILE_NOTIFY_INFORMATION *>(
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reinterpret_cast<const uint8_t *>(handler.second.async_buffer) + offset);
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FileNotifyInfo notify;
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notify.handle = handler.first;
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notify.path = Path::join(handler.second.path,
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Path::to_utf8(info->FileName,
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info->FileNameLength / sizeof(wchar_t)));
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switch (info->Action)
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{
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case FILE_ACTION_ADDED:
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case FILE_ACTION_RENAMED_NEW_NAME:
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notify.type = FileNotifyType::FileCreated;
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if (handler.second.func)
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handler.second.func(notify);
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break;
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case FILE_ACTION_REMOVED:
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case FILE_ACTION_RENAMED_OLD_NAME:
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notify.type = FileNotifyType::FileDeleted;
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if (handler.second.func)
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handler.second.func(notify);
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break;
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case FILE_ACTION_MODIFIED:
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notify.type = FileNotifyType::FileChanged;
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if (handler.second.func)
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handler.second.func(notify);
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break;
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default:
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LOGE("Invalid notify type.\n");
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break;
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}
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offset += info->NextEntryOffset;
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} while (info->NextEntryOffset != 0);
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kick_async(handler.second);
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}
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}
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void OSFilesystem::uninstall_notification(FileNotifyHandle id)
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{
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auto itr = handlers.find(id);
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if (itr != end(handlers))
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{
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CancelIo(itr->second.handle);
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CloseHandle(itr->second.handle);
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CloseHandle(itr->second.event);
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handlers.erase(itr);
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}
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}
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void OSFilesystem::kick_async(Handler &handler)
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{
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handler.overlapped = {};
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handler.overlapped.hEvent = handler.event;
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||||
auto ret = ReadDirectoryChangesW(handler.handle, handler.async_buffer, sizeof(handler.async_buffer), FALSE,
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FILE_NOTIFY_CHANGE_LAST_WRITE | FILE_NOTIFY_CHANGE_CREATION | FILE_NOTIFY_CHANGE_FILE_NAME,
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nullptr, &handler.overlapped, nullptr);
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if (!ret && GetLastError() != ERROR_IO_PENDING)
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{
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LOGE("Failed to read directory changes async.\n");
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}
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}
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FileNotifyHandle OSFilesystem::install_notification(const std::string &path, std::function<void(const FileNotifyInfo &)> func)
|
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{
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FileStat s = {};
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if (!stat(path, s))
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||||
{
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LOGE("Window inotify: path doesn't exist.\n");
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||||
return -1;
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||||
}
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||||
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if (s.type != PathType::Directory)
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||||
{
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||||
LOGE("Windows inotify: Implementation only supports directories.\n");
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return -1;
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}
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||||
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||||
auto resolved_path = Path::to_utf16(Path::join(base, path));
|
||||
HANDLE handle =
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CreateFileW(resolved_path.c_str(), FILE_LIST_DIRECTORY, FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE,
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nullptr, OPEN_EXISTING, FILE_FLAG_BACKUP_SEMANTICS | FILE_FLAG_OVERLAPPED, nullptr);
|
||||
if (handle == INVALID_HANDLE_VALUE)
|
||||
{
|
||||
LOGE("Failed to open directory for watching.\n");
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return -1;
|
||||
}
|
||||
|
||||
HANDLE event = CreateEvent(nullptr, FALSE, FALSE, nullptr);
|
||||
if (event == nullptr)
|
||||
{
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||||
CloseHandle(handle);
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return -1;
|
||||
}
|
||||
|
||||
handle_id++;
|
||||
Handler handler;
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||||
handler.path = protocol + "://" + path;
|
||||
handler.func = std::move(func);
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handler.handle = handle;
|
||||
handler.event = event;
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||||
auto &h = handlers[handle_id];
|
||||
h = std::move(handler);
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kick_async(h);
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|
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return handle_id;
|
||||
}
|
||||
|
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bool OSFilesystem::remove(const std::string &path)
|
||||
{
|
||||
auto joined = Path::to_utf16(Path::join(base, path));
|
||||
return bool(DeleteFileW(joined.c_str()));
|
||||
}
|
||||
|
||||
bool OSFilesystem::move_yield(const std::string &dst, const std::string &src)
|
||||
{
|
||||
auto joined_dst = Path::to_utf16(Path::join(base, dst));
|
||||
auto joined_src = Path::to_utf16(Path::join(base, src));
|
||||
return bool(MoveFileW(joined_src.c_str(), joined_dst.c_str()));
|
||||
}
|
||||
|
||||
bool OSFilesystem::move_replace(const std::string &dst, const std::string &src)
|
||||
{
|
||||
auto joined_dst = Path::to_utf16(Path::join(base, dst));
|
||||
auto joined_src = Path::to_utf16(Path::join(base, src));
|
||||
if (MoveFileW(joined_src.c_str(), joined_dst.c_str()))
|
||||
return true;
|
||||
if (GetLastError() != ERROR_ALREADY_EXISTS)
|
||||
return false;
|
||||
return bool(ReplaceFileW(joined_dst.c_str(), joined_src.c_str(), nullptr, 0, nullptr, nullptr));
|
||||
}
|
||||
|
||||
std::vector<ListEntry> OSFilesystem::list(const std::string &path)
|
||||
{
|
||||
std::vector<ListEntry> entries;
|
||||
WIN32_FIND_DATAW result;
|
||||
auto joined = Path::to_utf16(Path::join(base, path));
|
||||
joined += L"/*";
|
||||
|
||||
HANDLE handle = FindFirstFileW(joined.c_str(), &result);
|
||||
if (handle == INVALID_HANDLE_VALUE)
|
||||
return entries;
|
||||
|
||||
do
|
||||
{
|
||||
ListEntry entry;
|
||||
if (result.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
|
||||
entry.type = PathType::Directory;
|
||||
else
|
||||
entry.type = PathType::File;
|
||||
|
||||
auto utf8_path = Path::to_utf8(result.cFileName);
|
||||
if (utf8_path == "." || utf8_path == "..")
|
||||
continue;
|
||||
|
||||
entry.path = Path::join(path, utf8_path);
|
||||
entries.push_back(std::move(entry));
|
||||
} while (FindNextFileW(handle, &result));
|
||||
|
||||
FindClose(handle);
|
||||
return entries;
|
||||
}
|
||||
|
||||
bool OSFilesystem::stat(const std::string &path, FileStat &stat)
|
||||
{
|
||||
auto joined = Path::join(base, path);
|
||||
struct __stat64 buf;
|
||||
if (_wstat64(Path::to_utf16(joined).c_str(), &buf) < 0)
|
||||
return false;
|
||||
|
||||
if (buf.st_mode & _S_IFREG)
|
||||
stat.type = PathType::File;
|
||||
else if (buf.st_mode & _S_IFDIR)
|
||||
stat.type = PathType::Directory;
|
||||
else
|
||||
stat.type = PathType::Special;
|
||||
|
||||
stat.size = uint64_t(buf.st_size);
|
||||
stat.last_modified = buf.st_mtime;
|
||||
return true;
|
||||
}
|
||||
|
||||
int OSFilesystem::get_notification_fd() const
|
||||
{
|
||||
return -1;
|
||||
}
|
||||
|
||||
} // namespace Granite
|
||||
+86
@@ -0,0 +1,86 @@
|
||||
/* Copyright (c) 2017-2026 Hans-Kristian Arntzen
|
||||
*
|
||||
* 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.
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
#include "filesystem.hpp"
|
||||
#include <unordered_map>
|
||||
#define WIN32_LEAN_AND_MEAN
|
||||
#include <windows.h>
|
||||
|
||||
namespace Granite
|
||||
{
|
||||
class MappedFile final : public File
|
||||
{
|
||||
public:
|
||||
static FileHandle open(const std::string &path, FileMode mode);
|
||||
~MappedFile() override;
|
||||
|
||||
FileMappingHandle map_subset(uint64_t offset, size_t range) override;
|
||||
FileMappingHandle map_write(size_t size) override;
|
||||
void unmap(void *mapped, size_t range) override;
|
||||
uint64_t get_size() override;
|
||||
|
||||
private:
|
||||
bool init(const std::string &path, FileMode mode);
|
||||
HANDLE file = INVALID_HANDLE_VALUE;
|
||||
HANDLE file_mapping = nullptr;
|
||||
uint64_t size = 0;
|
||||
std::string rename_from_on_close;
|
||||
std::string rename_to_on_close;
|
||||
};
|
||||
|
||||
class OSFilesystem : public FilesystemBackend
|
||||
{
|
||||
public:
|
||||
OSFilesystem(const std::string &base);
|
||||
~OSFilesystem();
|
||||
std::vector<ListEntry> list(const std::string &path) override;
|
||||
FileHandle open(const std::string &path, FileMode mode) override;
|
||||
bool stat(const std::string &path, FileStat &stat) override;
|
||||
FileNotifyHandle install_notification(const std::string &path, std::function<void (const FileNotifyInfo &)> func) override;
|
||||
void uninstall_notification(FileNotifyHandle handle) override;
|
||||
void poll_notifications() override;
|
||||
int get_notification_fd() const override;
|
||||
std::string get_filesystem_path(const std::string &path) override;
|
||||
|
||||
bool remove(const std::string &str) override;
|
||||
bool move_yield(const std::string &dst, const std::string &src) override;
|
||||
bool move_replace(const std::string &dst, const std::string &src) override;
|
||||
|
||||
private:
|
||||
std::string base;
|
||||
|
||||
struct Handler
|
||||
{
|
||||
std::string path;
|
||||
std::function<void (const FileNotifyInfo &)> func;
|
||||
HANDLE handle = nullptr;
|
||||
HANDLE event = nullptr;
|
||||
DWORD async_buffer[1024];
|
||||
OVERLAPPED overlapped;
|
||||
};
|
||||
|
||||
std::unordered_map<FileNotifyHandle, Handler> handlers;
|
||||
FileNotifyHandle handle_id = 0;
|
||||
void kick_async(Handler &handler);
|
||||
};
|
||||
}
|
||||
Reference in New Issue
Block a user