diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/src/main.cpp | 168 |
1 files changed, 1 insertions, 167 deletions
diff --git a/kernel/src/main.cpp b/kernel/src/main.cpp index ffea979..bfb731a 100644 --- a/kernel/src/main.cpp +++ b/kernel/src/main.cpp @@ -21,173 +21,11 @@ #include <kstd/units> #include <kstd/vector> -#include <algorithm> #include <cstddef> #include <string_view> using namespace kstd::units_literals; -auto test_device_names() -> void -{ - auto storage_mgmt = kernel::devices::storage::management::get(); - std::ranges::for_each(storage_mgmt.all_controllers(), [](auto const & controller) { - std::ranges::for_each(controller->all_devices(), - [](auto const & device) { kstd::println("{}", device->name().view()); }); - }); -} - -auto test_file_descriptor_manually() -> void -{ - // setup - auto fd_table = kernel::filesystem::open_file_table::get(); - auto storage_mgmt = kernel::devices::storage::management::get(); - auto device = storage_mgmt.device_by_major_minor(1, 0); - - auto dev_node = kstd::make_shared<kernel::filesystem::device_inode>(device); - - auto ofd = kstd::make_shared<kernel::filesystem::open_file_descriptor>(dev_node); - auto fd_index = fd_table.add_file(ofd); - - // use: read two bytes and write two again - auto fd = fd_table.get_file(fd_index); - if (!fd) - { - kstd::os::panic("test code failed"); - } - - kstd::vector<std::byte> buffer{2}; - auto number_of_read_bytes = fd->read(buffer.data(), buffer.size()); - kstd::println("read bytes: {}", number_of_read_bytes); - kstd::println("buffer: {::#04x}", buffer); - - // write half of the file new - auto const value1 = std::byte{0xAA}; - auto const value2 = std::byte{0xBB}; - kstd::vector<std::byte> write_buffer{value1, value2}; - auto written_bytes = fd->write(write_buffer.data(), write_buffer.size()); - - kstd::println("written bytes: {}", written_bytes); - - fd_table.remove_file(fd_index); - - // use: read four bytes again -> two old bytes two new bytes - auto ofd1 = kstd::make_shared<kernel::filesystem::open_file_descriptor>(dev_node); - fd_index = fd_table.add_file(ofd1); - auto fd1 = fd_table.get_file(fd_index); - - if (!fd1) - { - kstd::os::panic("test code failed"); - } - - kstd::vector<std::byte> buffer1{4}; - number_of_read_bytes = fd1->read(buffer1.data(), buffer1.size()); - kstd::println("read bytes: {}", number_of_read_bytes); - kstd::println("buffer: {::#04x}", buffer1); -} - -auto test_device_with_vfs() -> void -{ - auto vfs = kernel::filesystem::vfs::get(); - auto dentry = vfs.open("/dev/ram0"); - if (!dentry) - { - kstd::os::panic("test code failed"); - } - - auto fd_table = kernel::filesystem::open_file_table::get(); - auto ofd = kstd::make_shared<kernel::filesystem::open_file_descriptor>(dentry->get_inode()); - auto fd = fd_table.add_file(ofd); - kstd::vector<std::byte> buffer{2}; - auto file = fd_table.get_file(fd); - if (!file) - { - kstd::os::panic("test code failed"); - } - - auto number_of_read_bytes = file->read(buffer.data(), buffer.size()); - kstd::println("read bytes: {}", number_of_read_bytes); - kstd::println("buffer: {::#04x}", buffer); -} - -auto test_file_lookup() -> void -{ - auto vfs = kernel::filesystem::vfs::get(); - auto read_and_write_file = [&vfs](std::string_view path) { - kstd::println("[TEST] Reading and writing file at path: {}", path); - auto dentry = vfs.open(path); - if (!dentry) - { - kstd::os::panic("test code failed"); - } - - kstd::vector<std::byte> buffer{32}; - auto ofd = kstd::make_shared<kernel::filesystem::open_file_descriptor>(dentry->get_inode()); - auto number_of_read_bytes = ofd->read(buffer.data(), buffer.size()); - kstd::println("read bytes: {}", number_of_read_bytes); - kstd::println("buffer: {::#04x}", buffer); - - std::string_view buffer_as_str{reinterpret_cast<char *>(buffer.data()), number_of_read_bytes}; - kstd::println("buffer_as_str: {}", buffer_as_str); - }; - - read_and_write_file("/info.txt"); - read_and_write_file("/enclosures/info.txt"); - read_and_write_file("/enclosures/aquarium/tank_1/fish_4.txt"); - read_and_write_file("/enclosures/elephant_house/elephant_1.txt"); - read_and_write_file( - "/enclosures/aquarium/tank_2/" - "this_is_a_very_very_long_fish_filename_that_keeps_going_and_going_until_it_almost_breaks_linux_filesystem_" - "limits_for_testing_purposes_and_we_add_more_characters_to_make_it_even_longer_30.txt"); - - vfs.do_mount("/dev/ram16", "/enclosures/aquarium"); - read_and_write_file("/enclosures/aquarium/closed.txt"); - read_and_write_file("/enclosures/aquarium/information/info_2.txt"); - - vfs.unmount("/enclosures/aquarium"); - read_and_write_file("/enclosures/aquarium/tank_1/fish_4.txt"); - - vfs.do_mount("/dev/ram32", "/enclosures/elephant_house"); - read_and_write_file("/enclosures/elephant_house/monkey_house/infrastructure/info.txt"); - - vfs.do_mount("/dev/ram16", "/enclosures/elephant_house/monkey_house"); - read_and_write_file("/enclosures/elephant_house/monkey_house/information/info_2.txt"); - - auto result = vfs.unmount("/enclosures/elephant_house"); - if (result == kernel::filesystem::vfs::operation_result::unmount_failed) - { - kstd::println("[TEST] Unmount failed as expected due to active child mount."); - } - - vfs.unmount("/enclosures/elephant_house/monkey_house"); - result = vfs.unmount("/enclosures/elephant_house"); - if (result == kernel::filesystem::vfs::operation_result::success) - { - kstd::println("[TEST] Unmount succeeded after unmounting child mount."); - } -} - -auto run_test_code() -> void -{ - kstd::println("[TEST] Running test code..."); - - kstd::println("[TEST] device names"); - test_device_names(); - kstd::println("---------------------------------"); - - kstd::println("[TEST] file descriptor manually"); - test_file_descriptor_manually(); - kstd::println("---------------------------------"); - - kstd::println("[TEST] device with VFS"); - test_device_with_vfs(); - kstd::println("---------------------------------"); - - kstd::println("[TEST] file lookup"); - test_file_lookup(); - kstd::println("---------------------------------"); -} - auto run_demo() -> void { // 1) open a file @@ -280,12 +118,8 @@ auto main() -> int kernel::filesystem::vfs::init(); kstd::println("[OS] Virtual filesystem initialized."); - // TODO BA-FS26 remove demo and test code again? + // TODO BA-FS26 remove demo code? // run_demo(); - // TODO BA-FS26 remove demo and test code again? - run_test_code(); - kstd::println("[TEST] All tests completed."); - kapi::system::panic("Returning from kernel main!"); } |