Move VFS sources into Kernel/.

1 files changed, 0 insertions, 307 deletions

diff --git a/VirtualFileSystem/SyntheticFileSystem.cpp b/VirtualFileSystem/SyntheticFileSystem.cpp
deleted file mode 100644
index 18192467e5..0000000000
--- a/VirtualFileSystem/SyntheticFileSystem.cpp
+++ /dev/null
@@ -1,307 +0,0 @@
-#include "SyntheticFileSystem.h"
-#include "FileDescriptor.h"
-#include <LibC/errno_numbers.h>
-#include <AK/StdLibExtras.h>
-
-#ifndef SERENITY
-typedef int InterruptDisabler;
-#define ASSERT_INTERRUPTS_DISABLED()
-#endif
-
-//#define SYNTHFS_DEBUG
-
-RetainPtr<SynthFS> SynthFS::create()
-{
-    return adopt(*new SynthFS);
-}
-
-SynthFS::SynthFS()
-{
-}
-
-SynthFS::~SynthFS()
-{
-}
-
-bool SynthFS::initialize()
-{
-    // Add a File for the root directory.
-    // FIXME: This needs work.
-    auto root = adopt(*new SynthFSInode(*this, RootInodeIndex));
-    root->m_parent = { id(), RootInodeIndex };
-    root->m_metadata.mode = 0040555;
-    root->m_metadata.uid = 0;
-    root->m_metadata.gid = 0;
-    root->m_metadata.size = 0;
-    root->m_metadata.mtime = mepoch;
-    m_inodes.set(RootInodeIndex, move(root));
-
-#ifndef SERENITY
-    addFile(createTextFile("file", String("I'm a synthetic file!\n").toByteBuffer(), 0100644));
-    addFile(createTextFile("message", String("Hey! This isn't my bottle!\n").toByteBuffer(), 0100644));
-    addFile(createGeneratedFile("lunk", [] { return String("/home/andreas/file1").toByteBuffer(); }, 00120777));
-#endif
-    return true;
-}
-
-RetainPtr<SynthFSInode> SynthFS::create_directory(String&& name)
-{
-    auto file = adopt(*new SynthFSInode(*this, generate_inode_index()));
-    file->m_name = move(name);
-    file->m_metadata.size = 0;
-    file->m_metadata.uid = 0;
-    file->m_metadata.gid = 0;
-    file->m_metadata.mode = 0040555;
-    file->m_metadata.mtime = mepoch;
-    return file;
-}
-
-RetainPtr<SynthFSInode> SynthFS::create_text_file(String&& name, ByteBuffer&& contents, Unix::mode_t mode)
-{
-    auto file = adopt(*new SynthFSInode(*this, generate_inode_index()));
-    file->m_data = contents;
-    file->m_name = move(name);
-    file->m_metadata.size = file->m_data.size();
-    file->m_metadata.uid = 100;
-    file->m_metadata.gid = 200;
-    file->m_metadata.mode = mode;
-    file->m_metadata.mtime = mepoch;
-    return file;
-}
-
-RetainPtr<SynthFSInode> SynthFS::create_generated_file(String&& name, Function<ByteBuffer(SynthFSInode&)>&& generator, Unix::mode_t mode)
-{
-    auto file = adopt(*new SynthFSInode(*this, generate_inode_index()));
-    file->m_generator = move(generator);
-    file->m_name = move(name);
-    file->m_metadata.size = 0;
-    file->m_metadata.uid = 0;
-    file->m_metadata.gid = 0;
-    file->m_metadata.mode = mode;
-    file->m_metadata.mtime = mepoch;
-    return file;
-}
-
-RetainPtr<SynthFSInode> SynthFS::create_generated_file(String&& name, Function<ByteBuffer(SynthFSInode&)>&& read_callback, Function<ssize_t(SynthFSInode&, const ByteBuffer&)>&& write_callback, Unix::mode_t mode)
-{
-    auto file = adopt(*new SynthFSInode(*this, generate_inode_index()));
-    file->m_generator = move(read_callback);
-    file->m_write_callback = move(write_callback);
-    file->m_name = move(name);
-    file->m_metadata.size = 0;
-    file->m_metadata.uid = 0;
-    file->m_metadata.gid = 0;
-    file->m_metadata.mode = mode;
-    file->m_metadata.mtime = mepoch;
-    return file;
-}
-
-InodeIdentifier SynthFS::add_file(RetainPtr<SynthFSInode>&& file, InodeIndex parent)
-{
-    ASSERT_INTERRUPTS_DISABLED();
-    ASSERT(file);
-    auto it = m_inodes.find(parent);
-    ASSERT(it != m_inodes.end());
-    auto new_inode_id = file->identifier();
-    file->m_metadata.inode = new_inode_id;
-    file->m_parent = { id(), parent };
-    (*it).value->m_children.append(file.ptr());
-    m_inodes.set(new_inode_id.index(), move(file));
-    return new_inode_id;
-}
-
-bool SynthFS::remove_file(InodeIndex inode)
-{
-    ASSERT_INTERRUPTS_DISABLED();
-    auto it = m_inodes.find(inode);
-    if (it == m_inodes.end())
-        return false;
-    auto& file = *(*it).value;
-
-    auto pit = m_inodes.find(file.m_parent.index());
-    if (pit == m_inodes.end())
-        return false;
-    auto& parent = *(*pit).value;
-    for (size_t i = 0; i < parent.m_children.size(); ++i) {
-        if (parent.m_children[i]->m_metadata.inode.index() != inode) {
-            continue;
-        }
-        parent.m_children.remove(i);
-        break;
-    }
-
-    Vector<InodeIndex> indices_to_remove;
-    indices_to_remove.ensure_capacity(file.m_children.size());
-    for (auto& child : file.m_children)
-        indices_to_remove.unchecked_append(child->m_metadata.inode.index());
-    for (auto& index : indices_to_remove)
-        remove_file(index);
-    m_inodes.remove(inode);
-    return true;
-}
-
-const char* SynthFS::class_name() const
-{
-    return "synthfs";
-}
-
-InodeIdentifier SynthFS::root_inode() const
-{
-    return { id(), 1 };
-}
-
-RetainPtr<Inode> SynthFS::create_inode(InodeIdentifier parentInode, const String& name, Unix::mode_t mode, unsigned size, int& error)
-{
-    (void) parentInode;
-    (void) name;
-    (void) mode;
-    (void) size;
-    (void) error;
-    kprintf("FIXME: Implement SyntheticFileSystem::create_inode().\n");
-    return { };
-}
-
-RetainPtr<Inode> SynthFS::create_directory(InodeIdentifier, const String&, Unix::mode_t, int& error)
-{
-    error = -EROFS;
-    return nullptr;
-}
-
-auto SynthFS::generate_inode_index() -> InodeIndex
-{
-    return m_next_inode_index++;
-}
-
-RetainPtr<Inode> SynthFSInode::parent() const
-{
-    return fs().get_inode(m_parent);
-}
-
-RetainPtr<Inode> SynthFS::get_inode(InodeIdentifier inode) const
-{
-    auto it = m_inodes.find(inode.index());
-    if (it == m_inodes.end())
-        return { };
-    return (*it).value;
-}
-
-SynthFSInode::SynthFSInode(SynthFS& fs, unsigned index)
-    : Inode(fs, index)
-{
-    m_metadata.inode = { fs.id(), index };
-}
-
-SynthFSInode::~SynthFSInode()
-{
-}
-
-InodeMetadata SynthFSInode::metadata() const
-{
-    return m_metadata;
-}
-
-ssize_t SynthFSInode::read_bytes(Unix::off_t offset, size_t count, byte* buffer, FileDescriptor* descriptor)
-{
-#ifdef SYNTHFS_DEBUG
-    kprintf("SynthFS: read_bytes %u\n", index());
-#endif
-    ASSERT(offset >= 0);
-    ASSERT(buffer);
-
-    ByteBuffer generatedData;
-    if (m_generator) {
-        if (!descriptor) {
-            generatedData = m_generator(*this);
-        } else {
-            if (!descriptor->generator_cache())
-                descriptor->generator_cache() = m_generator(*this);
-            generatedData = descriptor->generator_cache();
-        }
-    }
-
-    auto* data = generatedData ? &generatedData : &m_data;
-    ssize_t nread = min(static_cast<Unix::off_t>(data->size() - offset), static_cast<Unix::off_t>(count));
-    memcpy(buffer, data->pointer() + offset, nread);
-    if (nread == 0 && descriptor && descriptor->generator_cache())
-        descriptor->generator_cache().clear();
-    return nread;
-}
-
-bool SynthFSInode::traverse_as_directory(Function<bool(const FS::DirectoryEntry&)> callback)
-{
-    InterruptDisabler disabler;
-#ifdef SYNTHFS_DEBUG
-    kprintf("SynthFS: traverse_as_directory %u\n", index());
-#endif
-
-    if (!m_metadata.isDirectory())
-        return false;
-
-    callback({ ".", 1, m_metadata.inode, 2 });
-    callback({ "..", 2, m_parent, 2 });
-
-    for (auto& child : m_children)
-        callback({ child->m_name.characters(), child->m_name.length(), child->m_metadata.inode, child->m_metadata.isDirectory() ? (byte)2 : (byte)1 });
-    return true;
-}
-
-InodeIdentifier SynthFSInode::lookup(const String& name)
-{
-    ASSERT(is_directory());
-    if (name == ".")
-        return identifier();
-    if (name == "..")
-        return m_parent;
-    for (auto& child : m_children) {
-        if (child->m_name == name)
-            return child->identifier();
-    }
-    return { };
-}
-
-String SynthFSInode::reverse_lookup(InodeIdentifier child_id)
-{
-    ASSERT(is_directory());
-    for (auto& child : m_children) {
-        if (child->identifier() == child_id)
-            return child->m_name;
-    }
-    return { };
-}
-
-void SynthFSInode::flush_metadata()
-{
-}
-
-ssize_t SynthFSInode::write_bytes(Unix::off_t offset, size_t size, const byte* buffer, FileDescriptor*)
-{
-    if (!m_write_callback)
-        return -EPERM;
-    // FIXME: Being able to write into SynthFS at a non-zero offset seems like something we should support..
-    ASSERT(offset == 0);
-    bool success = m_write_callback(*this, ByteBuffer::wrap((byte*)buffer, size));
-    ASSERT(success);
-    return 0;
-}
-
-bool SynthFSInode::add_child(InodeIdentifier child_id, const String& name, byte file_type, int& error)
-{
-    (void) child_id;
-    (void) name;
-    (void) file_type;
-    (void) error;
-    ASSERT_NOT_REACHED();
-    return false;
-}
-
-bool SynthFSInode::remove_child(const String& name, int& error)
-{
-    (void) name;
-    (void) error;
-    ASSERT_NOT_REACHED();
-    return false;
-}
-
-SynthFSInodeCustomData::~SynthFSInodeCustomData()
-{
-}