mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-07-23 17:33:12 +00:00
71 lines
1.6 KiB
C++
71 lines
1.6 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <andreas@ladybird.org>
|
|
* Copyright (c) 2022, the SerenityOS developers.
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/Error.h>
|
|
#include <AK/Vector.h>
|
|
#include <LibIPC/AutoCloseFileDescriptor.h>
|
|
#include <LibIPC/Forward.h>
|
|
#include <LibIPC/Transport.h>
|
|
|
|
namespace IPC {
|
|
|
|
class MessageBuffer {
|
|
public:
|
|
MessageBuffer();
|
|
|
|
MessageBuffer(MessageDataType data, MessageFileType fds)
|
|
: m_data(move(data))
|
|
, m_fds(move(fds))
|
|
{
|
|
}
|
|
|
|
ErrorOr<void> extend_data_capacity(size_t capacity);
|
|
ErrorOr<void> append_data(u8 const* values, size_t count);
|
|
|
|
ErrorOr<void> append_file_descriptor(int fd);
|
|
|
|
ErrorOr<void> extend(MessageBuffer&& buffer);
|
|
|
|
ErrorOr<void> transfer_message(Transport& transport);
|
|
|
|
MessageDataType const& data() const { return m_data; }
|
|
MessageDataType take_data() { return move(m_data); }
|
|
|
|
MessageFileType const& fds() const { return m_fds; }
|
|
MessageFileType take_fds() { return move(m_fds); }
|
|
|
|
private:
|
|
MessageDataType m_data;
|
|
MessageFileType m_fds;
|
|
#ifdef AK_OS_WINDOWS
|
|
Vector<size_t> m_handle_offsets;
|
|
#endif
|
|
};
|
|
|
|
enum class ErrorCode : u32 {
|
|
PeerDisconnected
|
|
};
|
|
|
|
template<typename Value>
|
|
using IPCErrorOr = ErrorOr<Value, ErrorCode>;
|
|
|
|
class Message {
|
|
public:
|
|
virtual ~Message() = default;
|
|
|
|
virtual u32 endpoint_magic() const = 0;
|
|
virtual int message_id() const = 0;
|
|
virtual char const* message_name() const = 0;
|
|
virtual ErrorOr<MessageBuffer> encode() const = 0;
|
|
|
|
protected:
|
|
Message() = default;
|
|
};
|
|
|
|
}
|