src/storage/lib/vfs/cpp/node_connection.h

// Copyright 2019 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#ifndef SRC_STORAGE_LIB_VFS_CPP_NODE_CONNECTION_H_
#define SRC_STORAGE_LIB_VFS_CPP_NODE_CONNECTION_H_

#ifndef __Fuchsia__
#error "Fuchsia-only header"
#endif

#include <fidl/fuchsia.io/cpp/wire.h>

#include "src/storage/lib/vfs/cpp/connection.h"
#include "src/storage/lib/vfs/cpp/vfs_types.h"
#include "src/storage/lib/vfs/cpp/vnode.h"

namespace fs::internal {

class NodeConnection final : public Connection, public fidl::WireServer<fuchsia_io::Node> {
 public:
  // Refer to documentation for |Connection::Connection|.
  NodeConnection(fs::FuchsiaVfs* vfs, fbl::RefPtr<fs::Vnode> vnode, VnodeProtocol protocol,
                 VnodeConnectionOptions options);

  ~NodeConnection() final = default;

 private:
  std::unique_ptr<Binding> Bind(async_dispatcher*, zx::channel, OnUnbound) override;
  zx::result<VnodeRepresentation> NodeGetRepresentation() const override {
    return zx::ok(VnodeRepresentation::Connector());
  }

  //
  // |fuchsia.io/Node| operations.
  //

  void Clone(CloneRequestView request, CloneCompleter::Sync& completer) final;
  void Close(CloseCompleter::Sync& completer) final;
  void Query(QueryCompleter::Sync& completer) final;
  void GetConnectionInfo(GetConnectionInfoCompleter::Sync& completer) final;
  void Sync(SyncCompleter::Sync& completer) final;
  void GetAttr(GetAttrCompleter::Sync& completer) final;
  void SetAttr(SetAttrRequestView request, SetAttrCompleter::Sync& completer) final;
  void GetFlags(GetFlagsCompleter::Sync& completer) final;
  void SetFlags(SetFlagsRequestView request, SetFlagsCompleter::Sync& completer) final;
  void QueryFilesystem(QueryFilesystemCompleter::Sync& completer) final;
  void GetAttributes(fuchsia_io::wire::Node2GetAttributesRequest* request,
                     GetAttributesCompleter::Sync& completer) final {
    completer.ReplyError(ZX_ERR_NOT_SUPPORTED);
  }
  void UpdateAttributes(fuchsia_io::wire::MutableNodeAttributes* request,
                        UpdateAttributesCompleter::Sync& completer) final {
    completer.ReplyError(ZX_ERR_NOT_SUPPORTED);
  }
  void Reopen(fuchsia_io::wire::Node2ReopenRequest* request,
              ReopenCompleter::Sync& completer) final {
    request->object_request.Close(ZX_ERR_NOT_SUPPORTED);
  }
#if __Fuchsia_API_level__ >= 18
  void ListExtendedAttributes(ListExtendedAttributesRequestView request,
                              ListExtendedAttributesCompleter::Sync& completer) final {
    request->iterator.Close(ZX_ERR_NOT_SUPPORTED);
  }
  void GetExtendedAttribute(GetExtendedAttributeRequestView request,
                            GetExtendedAttributeCompleter::Sync& completer) final {
    completer.ReplyError(ZX_ERR_NOT_SUPPORTED);
  }
  void SetExtendedAttribute(SetExtendedAttributeRequestView request,
                            SetExtendedAttributeCompleter::Sync& completer) final {
    completer.ReplyError(ZX_ERR_NOT_SUPPORTED);
  }
  void RemoveExtendedAttribute(RemoveExtendedAttributeRequestView request,
                               RemoveExtendedAttributeCompleter::Sync& completer) final {
    completer.ReplyError(ZX_ERR_NOT_SUPPORTED);
  }
#endif
};

}  // namespace fs::internal

#endif  // SRC_STORAGE_LIB_VFS_CPP_NODE_CONNECTION_H_