65 lines
1.9 KiB
C++
65 lines
1.9 KiB
C++
#include "CrySymlink.h"
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#include <fspp/fuse/FuseErrnoException.h>
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#include "CryDevice.h"
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#include "CrySymlink.h"
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#include "parallelaccessfsblobstore/SymlinkBlobRef.h"
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#include "fsblobstore/utils/TimestampUpdateBehavior.h"
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//TODO Get rid of this in favor of exception hierarchy
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using fspp::fuse::CHECK_RETVAL;
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using fspp::fuse::FuseErrnoException;
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namespace bf = boost::filesystem;
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using std::string;
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using std::vector;
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using blockstore::BlockId;
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using boost::none;
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using boost::optional;
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using cpputils::unique_ref;
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using cpputils::make_unique_ref;
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using cpputils::dynamic_pointer_move;
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using cryfs::parallelaccessfsblobstore::SymlinkBlobRef;
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using cryfs::parallelaccessfsblobstore::DirBlobRef;
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namespace cryfs {
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CrySymlink::CrySymlink(CryDevice *device, unique_ref<DirBlobRef> parent, optional<unique_ref<DirBlobRef>> grandparent, const BlockId &blockId)
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: CryNode(device, std::move(parent), std::move(grandparent), blockId) {
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}
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CrySymlink::~CrySymlink() {
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}
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unique_ref<SymlinkBlobRef> CrySymlink::LoadBlob() const {
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auto blob = CryNode::LoadBlob();
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auto symlink_blob = dynamic_pointer_move<SymlinkBlobRef>(blob);
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ASSERT(symlink_blob != none, "Blob does not store a symlink");
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return std::move(*symlink_blob);
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}
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fspp::Dir::EntryType CrySymlink::getType() const {
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device()->callFsActionCallbacks();
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return fspp::Dir::EntryType::SYMLINK;
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}
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bf::path CrySymlink::target() {
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device()->callFsActionCallbacks();
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parent()->updateAccessTimestampForChild(blockId(), fsblobstore::TimestampUpdateBehavior::RELATIME);
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auto blob = LoadBlob(); // NOLINT (workaround https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82481 )
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return blob->target();
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}
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void CrySymlink::remove() {
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device()->callFsActionCallbacks();
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if (grandparent() != none) {
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//TODO Instead of doing nothing when we're in the root directory, handle timestamps in the root dir correctly
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(*grandparent())->updateModificationTimestampForChild(parent()->blockId());
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}
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removeNode();
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}
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}
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