garnet/go/src/fidl/compiler/backend/goldens/empty_struct.test.json.llcpp.h.golden

// WARNING: This file is machine generated by fidlgen.

#pragma once

#include <lib/fidl/internal.h>
#include <lib/fidl/llcpp/array.h>
#include <lib/fidl/llcpp/buffer_allocator.h>
#include <lib/fidl/llcpp/coding.h>
#include <lib/fidl/llcpp/connect_service.h>
#include <lib/fidl/llcpp/envelope.h>
#include <lib/fidl/llcpp/memory.h>
#include <lib/fidl/llcpp/service_handler_interface.h>
#include <lib/fidl/llcpp/string_view.h>
#include <lib/fidl/llcpp/sync_call.h>
#include <lib/fidl/llcpp/tracking_ptr.h>
#include <lib/fidl/llcpp/traits.h>
#include <lib/fidl/llcpp/transaction.h>
#include <lib/fidl/llcpp/vector_view.h>
#include <lib/fidl/txn_header.h>
#include <lib/fit/function.h>
#include <lib/zx/channel.h>
#include <zircon/fidl.h>

namespace llcpp {

namespace fidl {
namespace test {
namespace json {

struct Empty;
class EmptyProtocol;

extern "C" const fidl_type_t v1_fidl_test_json_EmptyTable;

struct Empty {
  static constexpr const fidl_type_t* Type = &v1_fidl_test_json_EmptyTable;
  static constexpr uint32_t MaxNumHandles = 0;
  static constexpr uint32_t PrimarySize = 1;
  [[maybe_unused]] static constexpr uint32_t MaxOutOfLine = 0;
  static constexpr bool HasPointer = false;

  uint8_t __reserved = {};
};

extern "C" const fidl_type_t v1_fidl_test_json_EmptyProtocolSendRequestTable;
extern "C" const fidl_type_t v1_fidl_test_json_EmptyProtocolSendResponseTable;
extern "C" const fidl_type_t v1_fidl_test_json_EmptyProtocolReceiveRequestTable;
extern "C" const fidl_type_t v1_fidl_test_json_EmptyProtocolReceiveEventTable;
extern "C" const fidl_type_t
    v1_fidl_test_json_EmptyProtocolSendAndReceiveRequestTable;
extern "C" const fidl_type_t
    v1_fidl_test_json_EmptyProtocolSendAndReceiveResponseTable;

class EmptyProtocol final {
  EmptyProtocol() = delete;

 public:
  struct SendRequest final {
    FIDL_ALIGNDECL
    fidl_message_header_t _hdr;
    ::llcpp::fidl::test::json::Empty e;

    static constexpr const fidl_type_t* Type =
        &v1_fidl_test_json_EmptyProtocolSendRequestTable;
    static constexpr uint32_t MaxNumHandles = 0;
    static constexpr uint32_t PrimarySize = 24;
    static constexpr uint32_t MaxOutOfLine = 0;
    static constexpr uint32_t AltPrimarySize = 24;
    static constexpr uint32_t AltMaxOutOfLine = 0;
    static constexpr bool HasFlexibleEnvelope = false;
    static constexpr bool HasPointer = false;
    static constexpr bool ContainsUnion = false;
    static constexpr ::fidl::internal::TransactionalMessageKind MessageKind =
        ::fidl::internal::TransactionalMessageKind::kRequest;
  };

  struct ReceiveResponse final {
    FIDL_ALIGNDECL
    fidl_message_header_t _hdr;
    ::llcpp::fidl::test::json::Empty e;

    static constexpr const fidl_type_t* Type =
        &v1_fidl_test_json_EmptyProtocolReceiveEventTable;
    static constexpr uint32_t MaxNumHandles = 0;
    static constexpr uint32_t PrimarySize = 24;
    static constexpr uint32_t MaxOutOfLine = 0;
    static constexpr bool HasFlexibleEnvelope = false;
    static constexpr bool HasPointer = false;
    static constexpr bool ContainsUnion = false;
    static constexpr ::fidl::internal::TransactionalMessageKind MessageKind =
        ::fidl::internal::TransactionalMessageKind::kResponse;
  };
  struct SendAndReceiveResponse final {
    FIDL_ALIGNDECL
    fidl_message_header_t _hdr;
    ::llcpp::fidl::test::json::Empty e;

    static constexpr const fidl_type_t* Type =
        &v1_fidl_test_json_EmptyProtocolSendAndReceiveResponseTable;
    static constexpr uint32_t MaxNumHandles = 0;
    static constexpr uint32_t PrimarySize = 24;
    static constexpr uint32_t MaxOutOfLine = 0;
    static constexpr bool HasFlexibleEnvelope = false;
    static constexpr bool HasPointer = false;
    static constexpr bool ContainsUnion = false;
    static constexpr ::fidl::internal::TransactionalMessageKind MessageKind =
        ::fidl::internal::TransactionalMessageKind::kResponse;
  };
  struct SendAndReceiveRequest final {
    FIDL_ALIGNDECL
    fidl_message_header_t _hdr;
    ::llcpp::fidl::test::json::Empty e;

    static constexpr const fidl_type_t* Type =
        &v1_fidl_test_json_EmptyProtocolSendAndReceiveRequestTable;
    static constexpr uint32_t MaxNumHandles = 0;
    static constexpr uint32_t PrimarySize = 24;
    static constexpr uint32_t MaxOutOfLine = 0;
    static constexpr uint32_t AltPrimarySize = 24;
    static constexpr uint32_t AltMaxOutOfLine = 0;
    static constexpr bool HasFlexibleEnvelope = false;
    static constexpr bool HasPointer = false;
    static constexpr bool ContainsUnion = false;
    static constexpr ::fidl::internal::TransactionalMessageKind MessageKind =
        ::fidl::internal::TransactionalMessageKind::kRequest;
    using ResponseType = SendAndReceiveResponse;
  };

  struct EventHandlers {
    fit::callback<zx_status_t(::llcpp::fidl::test::json::Empty e)> receive;

    // Fallback handler when an unknown ordinal is received.
    // Caller may put custom error handling logic here.
    fit::callback<zx_status_t()> unknown;
  };

  // Collection of return types of FIDL calls in this protocol.
  class ResultOf final {
    ResultOf() = delete;

   private:
    class Send_Impl final : private ::fidl::internal::StatusAndError {
      using Super = ::fidl::internal::StatusAndError;

     public:
      Send_Impl(::zx::unowned_channel _client_end,
                ::llcpp::fidl::test::json::Empty e);
      ~Send_Impl() = default;
      Send_Impl(Send_Impl&& other) = default;
      Send_Impl& operator=(Send_Impl&& other) = default;
      using Super::error;
      using Super::ok;
      using Super::status;
    };
    template <typename ResponseType>
    class SendAndReceive_Impl final
        : private ::fidl::internal::OwnedSyncCallBase<ResponseType> {
      using Super = ::fidl::internal::OwnedSyncCallBase<ResponseType>;

     public:
      SendAndReceive_Impl(::zx::unowned_channel _client_end,
                          ::llcpp::fidl::test::json::Empty e);
      ~SendAndReceive_Impl() = default;
      SendAndReceive_Impl(SendAndReceive_Impl&& other) = default;
      SendAndReceive_Impl& operator=(SendAndReceive_Impl&& other) = default;
      using Super::error;
      using Super::ok;
      using Super::status;
      using Super::Unwrap;
      using Super::value;
      using Super::operator->;
      using Super::operator*;
    };

   public:
    using Send = Send_Impl;
    using SendAndReceive = SendAndReceive_Impl<SendAndReceiveResponse>;
  };

  // Collection of return types of FIDL calls in this protocol,
  // when the caller-allocate flavor or in-place call is used.
  class UnownedResultOf final {
    UnownedResultOf() = delete;

   private:
    class Send_Impl final : private ::fidl::internal::StatusAndError {
      using Super = ::fidl::internal::StatusAndError;

     public:
      Send_Impl(::zx::unowned_channel _client_end,
                ::fidl::BytePart _request_buffer,
                ::llcpp::fidl::test::json::Empty e);
      ~Send_Impl() = default;
      Send_Impl(Send_Impl&& other) = default;
      Send_Impl& operator=(Send_Impl&& other) = default;
      using Super::error;
      using Super::ok;
      using Super::status;
    };
    template <typename ResponseType>
    class SendAndReceive_Impl final
        : private ::fidl::internal::UnownedSyncCallBase<ResponseType> {
      using Super = ::fidl::internal::UnownedSyncCallBase<ResponseType>;

     public:
      SendAndReceive_Impl(::zx::unowned_channel _client_end,
                          ::fidl::BytePart _request_buffer,
                          ::llcpp::fidl::test::json::Empty e,
                          ::fidl::BytePart _response_buffer);
      ~SendAndReceive_Impl() = default;
      SendAndReceive_Impl(SendAndReceive_Impl&& other) = default;
      SendAndReceive_Impl& operator=(SendAndReceive_Impl&& other) = default;
      using Super::error;
      using Super::ok;
      using Super::status;
      using Super::Unwrap;
      using Super::value;
      using Super::operator->;
      using Super::operator*;
    };

   public:
    using Send = Send_Impl;
    using SendAndReceive = SendAndReceive_Impl<SendAndReceiveResponse>;
  };

  class SyncClient final {
   public:
    SyncClient() = default;
    explicit SyncClient(::zx::channel channel) : channel_(std::move(channel)) {}
    ~SyncClient() = default;
    SyncClient(SyncClient&&) = default;
    SyncClient& operator=(SyncClient&&) = default;

    const ::zx::channel& channel() const { return channel_; }

    ::zx::channel* mutable_channel() { return &channel_; }

    // Allocates 24 bytes of message buffer on the stack. No heap allocation
    // necessary.
    ResultOf::Send Send(::llcpp::fidl::test::json::Empty e);

    // Caller provides the backing storage for FIDL message via request and
    // response buffers.
    UnownedResultOf::Send Send(::fidl::BytePart _request_buffer,
                               ::llcpp::fidl::test::json::Empty e);

    // Allocates 48 bytes of message buffer on the stack. No heap allocation
    // necessary.
    ResultOf::SendAndReceive SendAndReceive(::llcpp::fidl::test::json::Empty e);

    // Caller provides the backing storage for FIDL message via request and
    // response buffers.
    UnownedResultOf::SendAndReceive SendAndReceive(
        ::fidl::BytePart _request_buffer, ::llcpp::fidl::test::json::Empty e,
        ::fidl::BytePart _response_buffer);

    // Handle all possible events defined in this protocol.
    // Blocks to consume exactly one message from the channel, then call the
    // corresponding handler defined in |EventHandlers|. The return status of
    // the handler function is folded with any transport-level errors and
    // returned.
    zx_status_t HandleEvents(EventHandlers handlers);

   private:
    ::zx::channel channel_;
  };

  // Methods to make a sync FIDL call directly on an unowned channel, avoiding
  // setting up a client.
  class Call final {
    Call() = delete;

   public:
    // Allocates 24 bytes of message buffer on the stack. No heap allocation
    // necessary.
    static ResultOf::Send Send(::zx::unowned_channel _client_end,
                               ::llcpp::fidl::test::json::Empty e);

    // Caller provides the backing storage for FIDL message via request and
    // response buffers.
    static UnownedResultOf::Send Send(::zx::unowned_channel _client_end,
                                      ::fidl::BytePart _request_buffer,
                                      ::llcpp::fidl::test::json::Empty e);

    // Allocates 48 bytes of message buffer on the stack. No heap allocation
    // necessary.
    static ResultOf::SendAndReceive SendAndReceive(
        ::zx::unowned_channel _client_end, ::llcpp::fidl::test::json::Empty e);

    // Caller provides the backing storage for FIDL message via request and
    // response buffers.
    static UnownedResultOf::SendAndReceive SendAndReceive(
        ::zx::unowned_channel _client_end, ::fidl::BytePart _request_buffer,
        ::llcpp::fidl::test::json::Empty e, ::fidl::BytePart _response_buffer);

    // Handle all possible events defined in this protocol.
    // Blocks to consume exactly one message from the channel, then call the
    // corresponding handler defined in |EventHandlers|. The return status of
    // the handler function is folded with any transport-level errors and
    // returned.
    static zx_status_t HandleEvents(::zx::unowned_channel client_end,
                                    EventHandlers handlers);
  };

  // Messages are encoded and decoded in-place when these methods are used.
  // Additionally, requests must be already laid-out according to the FIDL
  // wire-format.
  class InPlace final {
    InPlace() = delete;

   public:
    static ::fidl::internal::StatusAndError Send(
        ::zx::unowned_channel _client_end,
        ::fidl::DecodedMessage<SendRequest> params);

    static ::fidl::DecodeResult<SendAndReceiveResponse> SendAndReceive(
        ::zx::unowned_channel _client_end,
        ::fidl::DecodedMessage<SendAndReceiveRequest> params,
        ::fidl::BytePart response_buffer);
  };

  // Pure-virtual interface to be implemented by a server.
  class Interface {
   public:
    Interface() = default;
    virtual ~Interface() = default;
    using _Outer = EmptyProtocol;
    using _Base = ::fidl::CompleterBase;

    using SendCompleter = ::fidl::Completer<>;

    virtual void Send(::llcpp::fidl::test::json::Empty e,
                      SendCompleter::Sync _completer) = 0;

    class SendAndReceiveCompleterBase : public _Base {
     public:
      void Reply(::llcpp::fidl::test::json::Empty e);
      void Reply(::fidl::BytePart _buffer, ::llcpp::fidl::test::json::Empty e);
      void Reply(::fidl::DecodedMessage<SendAndReceiveResponse> params);

     protected:
      using ::fidl::CompleterBase::CompleterBase;
    };

    using SendAndReceiveCompleter =
        ::fidl::Completer<SendAndReceiveCompleterBase>;

    virtual void SendAndReceive(::llcpp::fidl::test::json::Empty e,
                                SendAndReceiveCompleter::Sync _completer) = 0;
  };

  // Attempts to dispatch the incoming message to a handler function in the
  // server implementation. If there is no matching handler, it returns false,
  // leaving the message and transaction intact. In all other cases, it consumes
  // the message and returns true. It is possible to chain multiple TryDispatch
  // functions in this manner.
  static bool TryDispatch(Interface* impl, fidl_msg_t* msg,
                          ::fidl::Transaction* txn);

  // Dispatches the incoming message to one of the handlers functions in the
  // protocol. If there is no matching handler, it closes all the handles in
  // |msg| and closes the channel with a |ZX_ERR_NOT_SUPPORTED| epitaph, before
  // returning false. The message should then be discarded.
  static bool Dispatch(Interface* impl, fidl_msg_t* msg,
                       ::fidl::Transaction* txn);

  // Same as |Dispatch|, but takes a |void*| instead of |Interface*|. Only used
  // with |fidl::Bind| to reduce template expansion. Do not call this method
  // manually. Use |Dispatch| instead.
  static bool TypeErasedDispatch(void* impl, fidl_msg_t* msg,
                                 ::fidl::Transaction* txn) {
    return Dispatch(static_cast<Interface*>(impl), msg, txn);
  }

  static zx_status_t SendReceiveEvent(::zx::unowned_channel _chan,
                                      ::llcpp::fidl::test::json::Empty e);

  // Caller provides the backing storage for FIDL message via response buffers.
  static zx_status_t SendReceiveEvent(::zx::unowned_channel _chan,
                                      ::fidl::BytePart _buffer,
                                      ::llcpp::fidl::test::json::Empty e);

  // Messages are encoded in-place.
  static zx_status_t SendReceiveEvent(
      ::zx::unowned_channel _chan,
      ::fidl::DecodedMessage<ReceiveResponse> params);

  // Helper functions to fill in the transaction header in a
  // |DecodedMessage<TransactionalMessage>|.
  class SetTransactionHeaderFor final {
    SetTransactionHeaderFor() = delete;

   public:
    static void SendRequest(
        const ::fidl::DecodedMessage<EmptyProtocol::SendRequest>& _msg);
    static void ReceiveResponse(
        const ::fidl::DecodedMessage<EmptyProtocol::ReceiveResponse>& _msg);
    static void SendAndReceiveRequest(
        const ::fidl::DecodedMessage<EmptyProtocol::SendAndReceiveRequest>&
            _msg);
    static void SendAndReceiveResponse(
        const ::fidl::DecodedMessage<EmptyProtocol::SendAndReceiveResponse>&
            _msg);
  };
};

}  // namespace json
}  // namespace test
}  // namespace fidl
}  // namespace llcpp

namespace fidl {

template <>
struct IsFidlType<::llcpp::fidl::test::json::Empty> : public std::true_type {};
static_assert(std::is_standard_layout_v<::llcpp::fidl::test::json::Empty>);
static_assert(offsetof(::llcpp::fidl::test::json::Empty, __reserved) == 0);
static_assert(sizeof(::llcpp::fidl::test::json::Empty) ==
              ::llcpp::fidl::test::json::Empty::PrimarySize);

template <>
struct IsFidlType<::llcpp::fidl::test::json::EmptyProtocol::SendRequest>
    : public std::true_type {};
template <>
struct IsFidlMessage<::llcpp::fidl::test::json::EmptyProtocol::SendRequest>
    : public std::true_type {};
static_assert(
    sizeof(::llcpp::fidl::test::json::EmptyProtocol::SendRequest) ==
    ::llcpp::fidl::test::json::EmptyProtocol::SendRequest::PrimarySize);
static_assert(offsetof(::llcpp::fidl::test::json::EmptyProtocol::SendRequest,
                       e) == 16);

template <>
struct IsFidlType<::llcpp::fidl::test::json::EmptyProtocol::ReceiveResponse>
    : public std::true_type {};
template <>
struct IsFidlMessage<::llcpp::fidl::test::json::EmptyProtocol::ReceiveResponse>
    : public std::true_type {};
static_assert(
    sizeof(::llcpp::fidl::test::json::EmptyProtocol::ReceiveResponse) ==
    ::llcpp::fidl::test::json::EmptyProtocol::ReceiveResponse::PrimarySize);
static_assert(
    offsetof(::llcpp::fidl::test::json::EmptyProtocol::ReceiveResponse, e) ==
    16);

template <>
struct IsFidlType<
    ::llcpp::fidl::test::json::EmptyProtocol::SendAndReceiveRequest>
    : public std::true_type {};
template <>
struct IsFidlMessage<
    ::llcpp::fidl::test::json::EmptyProtocol::SendAndReceiveRequest>
    : public std::true_type {};
static_assert(
    sizeof(::llcpp::fidl::test::json::EmptyProtocol::SendAndReceiveRequest) ==
    ::llcpp::fidl::test::json::EmptyProtocol::SendAndReceiveRequest::
        PrimarySize);
static_assert(
    offsetof(::llcpp::fidl::test::json::EmptyProtocol::SendAndReceiveRequest,
             e) == 16);

template <>
struct IsFidlType<
    ::llcpp::fidl::test::json::EmptyProtocol::SendAndReceiveResponse>
    : public std::true_type {};
template <>
struct IsFidlMessage<
    ::llcpp::fidl::test::json::EmptyProtocol::SendAndReceiveResponse>
    : public std::true_type {};
static_assert(
    sizeof(::llcpp::fidl::test::json::EmptyProtocol::SendAndReceiveResponse) ==
    ::llcpp::fidl::test::json::EmptyProtocol::SendAndReceiveResponse::
        PrimarySize);
static_assert(
    offsetof(::llcpp::fidl::test::json::EmptyProtocol::SendAndReceiveResponse,
             e) == 16);

}  // namespace fidl