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-rw-r--r--kernel/kapi/filesystem.cpp76
1 files changed, 76 insertions, 0 deletions
diff --git a/kernel/kapi/filesystem.cpp b/kernel/kapi/filesystem.cpp
new file mode 100644
index 0000000..68b51c9
--- /dev/null
+++ b/kernel/kapi/filesystem.cpp
@@ -0,0 +1,76 @@
+#include <kapi/filesystem.hpp>
+
+#include <kernel/filesystem/open_file_descriptor.hpp>
+#include <kernel/filesystem/open_file_table.hpp>
+#include <kernel/filesystem/vfs.hpp>
+
+#include <kstd/memory>
+#include <kstd/unikstd.h>
+
+#include <cstddef>
+#include <string_view>
+
+namespace kapi::filesystem
+{
+ auto mount(std::string_view source, std::string_view target) -> kstd::ssize_t
+ {
+ if (kernel::filesystem::vfs::get().do_mount(source, target) == kernel::filesystem::vfs::operation_result::success)
+ {
+ return 0;
+ }
+ return -1;
+ }
+
+ auto umount(std::string_view target) -> kstd::ssize_t
+ {
+ if (kernel::filesystem::vfs::get().unmount(target) == kernel::filesystem::vfs::operation_result::success)
+ {
+ return 0;
+ }
+ return -1;
+ }
+
+ auto open(std::string_view path) -> kstd::ssize_t
+ {
+ if (auto dentry = kernel::filesystem::vfs::get().open(path))
+ {
+ auto open_file_descriptor = kstd::make_shared<kernel::filesystem::open_file_descriptor>(dentry);
+ return kernel::filesystem::open_file_table::get().add_file(open_file_descriptor);
+ }
+
+ return -1;
+ }
+
+ auto close(size_t file_descriptor) -> kstd::ssize_t
+ {
+ if (auto open_file_descriptor = kernel::filesystem::open_file_table::get().file(file_descriptor))
+ {
+ if (kernel::filesystem::vfs::get().close(open_file_descriptor->get_dentry()->absolute_path()) ==
+ kernel::filesystem::vfs::operation_result::success)
+ {
+ return kernel::filesystem::open_file_table::get().remove_file(file_descriptor);
+ }
+ }
+ return -1;
+ }
+
+ auto read(size_t file_descriptor, void * buffer, size_t size) -> kstd::ssize_t
+ {
+ if (auto open_file_descriptor = kernel::filesystem::open_file_table::get().file(file_descriptor))
+ {
+ return open_file_descriptor->read(buffer, size);
+ }
+
+ return -1;
+ }
+
+ auto write(size_t file_descriptor, void const * buffer, size_t size) -> kstd::ssize_t
+ {
+ if (auto open_file_descriptor = kernel::filesystem::open_file_table::get().file(file_descriptor))
+ {
+ return open_file_descriptor->write(buffer, size);
+ }
+
+ return -1;
+ }
+} // namespace kapi::filesystem \ No newline at end of file