mirror of
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`)
55 lines
1.6 KiB
C++
55 lines
1.6 KiB
C++
// SPDX-License-Identifier: Apache-2.0
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#include <app/dir.h>
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#include <app/private/ledger.h>
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#include <app/scheduler.h>
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#include <tactility/concurrent/mutex.h>
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#include <tactility/filesystem/fs.h>
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#include <cstring>
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extern "C" {
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error_t app_dir_get_cwd(char* buf, size_t size) {
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auto& ledger = app_ledger();
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mutex_lock(&ledger.mutex);
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auto iterator = ledger.instances.find(app_scheduler_current_app_id());
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if (iterator == ledger.instances.end()) {
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mutex_unlock(&ledger.mutex);
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return ERROR_NOT_FOUND;
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}
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const std::string& cwd = iterator->second.cwd;
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error_t result = ERROR_NONE;
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if (cwd.size() + 1 > size) {
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result = ERROR_BUFFER_OVERFLOW;
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} else {
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memcpy(buf, cwd.c_str(), cwd.size() + 1);
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}
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mutex_unlock(&ledger.mutex);
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return result;
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}
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error_t app_dir_set_cwd(const char* absolute_path) {
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if (absolute_path == nullptr || absolute_path[0] != '/') {
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return ERROR_INVALID_ARGUMENT;
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}
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// "/" is the synthetic root (a listing of mount points, see ShellFs.h) rather than a real
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// directory, so directory_exists() would reject it even though it's a valid cwd.
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if (strcmp(absolute_path, "/") != 0 && !directory_exists(absolute_path)) {
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return ERROR_NOT_FOUND;
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}
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auto& ledger = app_ledger();
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mutex_lock(&ledger.mutex);
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auto iterator = ledger.instances.find(app_scheduler_current_app_id());
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if (iterator == ledger.instances.end()) {
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mutex_unlock(&ledger.mutex);
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return ERROR_NOT_FOUND;
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}
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iterator->second.cwd = absolute_path;
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mutex_unlock(&ledger.mutex);
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return ERROR_NONE;
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}
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} // extern "C"
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