1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-05-31 10:38:11 +00:00
serenity/Kernel/LocalSocket.h
Andreas Kling 4aa0ab4e08 Kernel: Fix race between accept() and connect().
We had a bug where an accepted socket would appear to be EOF/disconnected
on the accepting side until the connecting side had called attach_fd().

Fix this by adding a new SocketRole::Connecting state.
2019-03-20 02:33:51 +01:00

41 lines
1.3 KiB
C++

#pragma once
#include <Kernel/Socket.h>
#include <Kernel/DoubleBuffer.h>
class FileDescriptor;
class LocalSocket final : public Socket {
public:
static Retained<LocalSocket> create(int type);
virtual ~LocalSocket() override;
virtual KResult bind(const sockaddr*, socklen_t) override;
virtual KResult connect(const sockaddr*, socklen_t) override;
virtual bool get_address(sockaddr*, socklen_t*) override;
virtual void attach_fd(SocketRole) override;
virtual void detach_fd(SocketRole) override;
virtual bool can_read(SocketRole) const override;
virtual ssize_t read(SocketRole, byte*, ssize_t) override;
virtual ssize_t write(SocketRole, const byte*, ssize_t) override;
virtual bool can_write(SocketRole) const override;
virtual ssize_t sendto(const void*, size_t, int, const sockaddr*, socklen_t) override;
virtual ssize_t recvfrom(void*, size_t, int flags, sockaddr*, socklen_t*) override;
private:
explicit LocalSocket(int type);
virtual bool is_local() const override { return true; }
RetainPtr<FileDescriptor> m_file;
RetainPtr<LocalSocket> m_peer;
bool m_bound { false };
int m_accepted_fds_open { 0 };
int m_connected_fds_open { 0 };
int m_connecting_fds_open { 0 };
sockaddr_un m_address;
DoubleBuffer m_for_client;
DoubleBuffer m_for_server;
};