mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-01-07 19:57:45 +03:00
109 lines
4.3 KiB
C++
109 lines
4.3 KiB
C++
/*
|
|
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this
|
|
* list of conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice,
|
|
* this list of conditions and the following disclaimer in the documentation
|
|
* and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
|
|
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
|
|
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
|
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/InlineLinkedList.h>
|
|
#include <Kernel/DoubleBuffer.h>
|
|
#include <Kernel/Net/Socket.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class FileDescription;
|
|
|
|
class LocalSocket final : public Socket
|
|
, public InlineLinkedListNode<LocalSocket> {
|
|
friend class InlineLinkedListNode<LocalSocket>;
|
|
|
|
public:
|
|
static KResultOr<NonnullRefPtr<Socket>> create(int type);
|
|
virtual ~LocalSocket() override;
|
|
|
|
static void for_each(Function<void(LocalSocket&)>);
|
|
|
|
StringView socket_path() const;
|
|
String absolute_path(const FileDescription& description) const override;
|
|
|
|
// ^Socket
|
|
virtual KResult bind(const sockaddr*, socklen_t) override;
|
|
virtual KResult connect(FileDescription&, 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 void attach(FileDescription&) override;
|
|
virtual void detach(FileDescription&) override;
|
|
virtual bool can_read(const FileDescription&) const override;
|
|
virtual bool can_write(const FileDescription&) const override;
|
|
virtual ssize_t sendto(FileDescription&, const void*, size_t, int, const sockaddr*, socklen_t) override;
|
|
virtual ssize_t recvfrom(FileDescription&, void*, size_t, int flags, sockaddr*, socklen_t*) override;
|
|
virtual KResult getsockopt(FileDescription&, int level, int option, void*, socklen_t*) override;
|
|
virtual KResult chown(uid_t, gid_t) override;
|
|
virtual KResult chmod(mode_t) override;
|
|
|
|
private:
|
|
explicit LocalSocket(int type);
|
|
virtual const char* class_name() const override { return "LocalSocket"; }
|
|
virtual bool is_local() const override { return true; }
|
|
bool has_attached_peer(const FileDescription&) const;
|
|
static Lockable<InlineLinkedList<LocalSocket>>& all_sockets();
|
|
DoubleBuffer& receive_buffer_for(FileDescription&);
|
|
DoubleBuffer& send_buffer_for(FileDescription&);
|
|
|
|
// 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;
|
|
|
|
// for InlineLinkedList
|
|
LocalSocket* m_prev { nullptr };
|
|
LocalSocket* m_next { nullptr };
|
|
};
|
|
|
|
}
|