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https://github.com/ByteWelder/Tactility.git
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79d3dd4fdb
app-module - Apps now have support for: - environment variables (inherit from parent app) - current workdir - window size (when running in terminal) - Add type aliases like `AppId` and `PackageId` - Remove data duplication between ledger and app instance records: create `AppManifestSet` - `AppManifest` usage safety improved: pass by value where needed, or use `AppId` instead of a manifest. Terminal and shell - Moved shell commands into coreutils-module as proper apps. - Refine stack size for terminal and shell because apps now run with their own task and stack (including in-memory apps) Platform - Fix for listing root dir on ESP32: wrap posix directory functions and wire in file systems. - Moved all platform-specific file system init code to platform subprojects Other - Fix for screenshot capture (issue with paths) - Fixes for coreutils app correctness - Memory optimizations (use more PSRAM where possible) in various locations such as app-module, shell and terminal. - `ls` and `help` commands now use terminal width and show columns of data by default - Created fs helpers at `TactilityKernel/include/tactility/filesystem/fs.h` (partially ported from `ShellFs`)
84 lines
2.6 KiB
C++
84 lines
2.6 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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#ifndef ESP_PLATFORM
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#include <tactility/error.h>
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#include <tactility/filesystem/file_system.h>
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#include <tactility/log.h>
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#include <cerrno>
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#include <climits>
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#include <cstdlib>
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#include <cstring>
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namespace {
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constexpr auto* TAG = "platform-posix";
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// A plain host directory has no real mount/unmount step to perform.
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// mounted" here just tracks whether file_system_remove()'s precondition has been satisfied.
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struct DirectoryFsData {
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char path[PATH_MAX];
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bool mounted;
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};
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DirectoryFsData system_fs_data;
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DirectoryFsData data_fs_data;
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DirectoryFsData root_fs_data;
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error_t mount(void* data) {
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static_cast<DirectoryFsData*>(data)->mounted = true;
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return ERROR_NONE;
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}
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error_t unmount(void* data) {
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static_cast<DirectoryFsData*>(data)->mounted = false;
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return ERROR_NONE;
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}
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bool is_mounted(void* data) {
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return static_cast<DirectoryFsData*>(data)->mounted;
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}
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error_t get_path(void* data, char* out_path, size_t out_path_size) {
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auto* fs_data = static_cast<DirectoryFsData*>(data);
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if (strlen(fs_data->path) >= out_path_size) {
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return ERROR_BUFFER_OVERFLOW;
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}
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strcpy(out_path, fs_data->path);
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return ERROR_NONE;
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}
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const FileSystemApi directory_fs_api = {
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.mount = mount,
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.unmount = unmount,
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.is_mounted = is_mounted,
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.get_path = get_path,
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};
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// relative_path is resolved against the process' current working directory.
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// The simulator is expected to run with Data/ as its working directory, so "data"/"system" here match the real on-disk folder names.
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// realpath() converts it to a real absolute path once, up front.
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// Callers elsewhere (e.g. the shell) that ask for this filesystem's path via file_system_get_path() then
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// get something meaningful regardless of their own notion of "current directory", real or virtual.
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FileSystem* registerDirectoryFs(const char* name, const char* relativePath, DirectoryFsData* outData) {
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if (realpath(relativePath, outData->path) == nullptr) {
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LOG_E(TAG, "Failed to resolve '%s' to an absolute path: %s", relativePath, strerror(errno));
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return nullptr;
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}
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outData->mounted = true;
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return file_system_add(name, &directory_fs_api, outData);
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}
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} // namespace
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error_t platform_posix_start_partitions() {
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registerDirectoryFs("system", "system", &system_fs_data);
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registerDirectoryFs("data", "data", &data_fs_data);
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// "data"/"system" live somewhere under here (wherever the process was launched from). U
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// Unlike ESP32, POSIX genuinely has a real "/", so it gets registered too.
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registerDirectoryFs("root", "/", &root_fs_data);
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return ERROR_NONE;
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}
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#endif // ESP_PLATFORM
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