mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-09-21 18:37:58 +03:00
109 lines
4.1 KiB
C++
109 lines
4.1 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/IntrusiveList.h>
|
|
#include <Kernel/DoubleBuffer.h>
|
|
#include <Kernel/Net/Socket.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class FileDescription;
|
|
|
|
struct SocketPair {
|
|
NonnullRefPtr<FileDescription> description1;
|
|
NonnullRefPtr<FileDescription> description2;
|
|
};
|
|
|
|
class LocalSocket final : public Socket {
|
|
|
|
public:
|
|
static KResultOr<NonnullRefPtr<Socket>> create(int type);
|
|
static KResultOr<SocketPair> create_connected_pair(int type);
|
|
virtual ~LocalSocket() override;
|
|
|
|
KResult sendfd(const FileDescription& socket_description, FileDescription& passing_description);
|
|
KResultOr<NonnullRefPtr<FileDescription>> recvfd(const FileDescription& socket_description);
|
|
|
|
static void for_each(Function<void(const LocalSocket&)>);
|
|
|
|
StringView socket_path() const;
|
|
String absolute_path(const FileDescription& description) const override;
|
|
|
|
// ^Socket
|
|
virtual KResult bind(Userspace<const sockaddr*>, socklen_t) override;
|
|
virtual KResult connect(FileDescription&, Userspace<const sockaddr*>, socklen_t, ShouldBlock = ShouldBlock::Yes) override;
|
|
virtual KResult listen(size_t) override;
|
|
virtual void get_local_address(sockaddr*, socklen_t*) override;
|
|
virtual void get_peer_address(sockaddr*, socklen_t*) override;
|
|
virtual KResult attach(FileDescription&) override;
|
|
virtual void detach(FileDescription&) override;
|
|
virtual bool can_read(const FileDescription&, size_t) const override;
|
|
virtual bool can_write(const FileDescription&, size_t) const override;
|
|
virtual KResultOr<size_t> sendto(FileDescription&, const UserOrKernelBuffer&, size_t, int, Userspace<const sockaddr*>, socklen_t) override;
|
|
virtual KResultOr<size_t> recvfrom(FileDescription&, UserOrKernelBuffer&, size_t, int flags, Userspace<sockaddr*>, Userspace<socklen_t*>, Time&) override;
|
|
virtual KResult getsockopt(FileDescription&, int level, int option, Userspace<void*>, Userspace<socklen_t*>) override;
|
|
virtual KResult chown(FileDescription&, uid_t, gid_t) override;
|
|
virtual KResult chmod(FileDescription&, mode_t) override;
|
|
|
|
private:
|
|
explicit LocalSocket(int type);
|
|
virtual StringView class_name() const override { return "LocalSocket"; }
|
|
virtual bool is_local() const override { return true; }
|
|
bool has_attached_peer(const FileDescription&) const;
|
|
DoubleBuffer* receive_buffer_for(FileDescription&);
|
|
DoubleBuffer* send_buffer_for(FileDescription&);
|
|
NonnullRefPtrVector<FileDescription>& sendfd_queue_for(const FileDescription&);
|
|
NonnullRefPtrVector<FileDescription>& recvfd_queue_for(const FileDescription&);
|
|
|
|
void set_connect_side_role(Role connect_side_role, bool force_evaluate_block_conditions = false)
|
|
{
|
|
auto previous = m_connect_side_role;
|
|
m_connect_side_role = connect_side_role;
|
|
if (previous != m_connect_side_role || force_evaluate_block_conditions)
|
|
evaluate_block_conditions();
|
|
}
|
|
|
|
// An open socket file on the filesystem.
|
|
RefPtr<FileDescription> m_file;
|
|
|
|
uid_t m_prebind_uid { 0 };
|
|
gid_t m_prebind_gid { 0 };
|
|
mode_t m_prebind_mode { 0 };
|
|
|
|
// A single LocalSocket is shared between two file descriptions
|
|
// on the connect side and the accept side; so we need to store
|
|
// an additional role for the connect side and differentiate
|
|
// between them.
|
|
Role m_connect_side_role { Role::None };
|
|
FileDescription* m_connect_side_fd { nullptr };
|
|
|
|
virtual Role role(const FileDescription& description) const override
|
|
{
|
|
if (m_connect_side_fd == &description)
|
|
return m_connect_side_role;
|
|
return m_role;
|
|
}
|
|
|
|
bool m_bound { false };
|
|
bool m_accept_side_fd_open { false };
|
|
sockaddr_un m_address { 0, { 0 } };
|
|
|
|
DoubleBuffer m_for_client;
|
|
DoubleBuffer m_for_server;
|
|
|
|
NonnullRefPtrVector<FileDescription> m_fds_for_client;
|
|
NonnullRefPtrVector<FileDescription> m_fds_for_server;
|
|
|
|
IntrusiveListNode<LocalSocket> m_list_node;
|
|
|
|
public:
|
|
using List = IntrusiveList<LocalSocket, RawPtr<LocalSocket>, &LocalSocket::m_list_node>;
|
|
};
|
|
|
|
}
|