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ladybird/Kernel/Net/LocalSocket.h

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Kernel: Begin implementing UNIX domain sockets.
2019-02-14 14:17:38 +01:00
#pragma once
#include <Kernel/DoubleBuffer.h>
Add clang-format file Also run it across the whole tree to get everything using the One True Style. We don't yet run this in an automated fashion as it's a little slow, but there is a snippet to do so in makeall.sh.
2019-05-28 11:53:16 +02:00
#include <Kernel/Net/Socket.h>
Kernel: Begin implementing UNIX domain sockets.
2019-02-14 14:17:38 +01:00
Kernel: Rename FileDescriptor to FileDescription. After reading a bunch of POSIX specs, I've learned that a file descriptor is the number that refers to a file description, not the description itself. So this patch renames FileDescriptor to FileDescription, and Process now has FileDescription* file_description(int fd).
2019-06-07 09:36:51 +02:00
class FileDescription;
Kernel: More sockets work. Fleshing out accept().
2019-02-14 15:17:30 +01:00
Kernel: Begin implementing UNIX domain sockets.
2019-02-14 14:17:38 +01:00
class LocalSocket final : public Socket {
public:
AK: Rename RetainPtr => RefPtr and Retained => NonnullRefPtr.
2019-06-21 18:37:47 +02:00
static NonnullRefPtr<LocalSocket> create(int type);
Kernel: Begin implementing UNIX domain sockets.
2019-02-14 14:17:38 +01:00
virtual ~LocalSocket() override;
Net: Let Socket have read/write wrappers around sendto/recvfrom The situations in IPv4Socket and LocalSocket were mirrors of each other where one had implemented read/write as wrappers and the other had sendto/recvfrom as wrappers. Instead of this silliness, move read and write up to the Socket base. Then mark them final, so subclasses have no choice but to implement sendto and recvfrom.
2019-08-05 10:03:19 +02:00
// ^Socket
Kernel: Port more code to KResult and KResultOr<T>.
2019-03-06 22:14:31 +01:00
virtual KResult bind(const sockaddr*, socklen_t) override;
Kernel: Rename FileDescriptor to FileDescription. After reading a bunch of POSIX specs, I've learned that a file descriptor is the number that refers to a file description, not the description itself. So this patch renames FileDescriptor to FileDescription, and Process now has FileDescription* file_description(int fd).
2019-06-07 09:36:51 +02:00
virtual KResult connect(FileDescription&, const sockaddr*, socklen_t, ShouldBlock = ShouldBlock::Yes) override;
Kernel: Refactor TCP/IP stack This has several significant changes to the networking stack. * Significant refactoring of the TCP state machine. Right now it's probably more fragile than it used to be, but handles quite a lot more of the handshake process. * `TCPSocket` holds a `NetworkAdapter*`, assigned during `connect()` or `bind()`, whichever comes first. * `listen()` is now virtual in `Socket` and intended to be implemented in its child classes * `listen()` no longer works without `bind()` - this is a bit of a regression, but listening sockets didn't work at all before, so it's not possible to observe the regression. * A file is exposed at `/proc/net_tcp`, which is a JSON document listing the current TCP sockets with a bit of metadata. * There's an `ETHERNET_VERY_DEBUG` flag for dumping packet's content out to `kprintf`. It is, indeed, _very debug_.
2019-08-06 23:40:38 +10:00
virtual KResult listen(int) override;
Kernel: Add getpeername() syscall, and fix getsockname() behavior. We were copying the raw IPv4 addresses into the wrong part of sockaddr_in, and we didn't set sa_family or sa_port.
2019-05-20 20:33:03 +02:00
virtual bool get_local_address(sockaddr*, socklen_t*) override;
virtual bool get_peer_address(sockaddr*, socklen_t*) override;
Kernel: Rename FileDescriptor to FileDescription. After reading a bunch of POSIX specs, I've learned that a file descriptor is the number that refers to a file description, not the description itself. So this patch renames FileDescriptor to FileDescription, and Process now has FileDescription* file_description(int fd).
2019-06-07 09:36:51 +02:00
virtual void attach(FileDescription&) override;
virtual void detach(FileDescription&) override;
virtual bool can_read(FileDescription&) const override;
virtual bool can_write(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;
Kernel: Actually send things between the socket endpoints.
2019-02-14 16:01:08 +01:00
Kernel: Begin implementing UNIX domain sockets.
2019-02-14 14:17:38 +01:00
private:
explicit LocalSocket(int type);
Kernel: More work on sockets. Fleshing out connect().
2019-02-14 15:55:19 +01:00
virtual bool is_local() const override { return true; }
Kernel: Rename FileDescriptor to FileDescription. After reading a bunch of POSIX specs, I've learned that a file descriptor is the number that refers to a file description, not the description itself. So this patch renames FileDescriptor to FileDescription, and Process now has FileDescription* file_description(int fd).
2019-06-07 09:36:51 +02:00
bool has_attached_peer(const FileDescription&) const;
Kernel: Begin implementing UNIX domain sockets.
2019-02-14 14:17:38 +01:00
AK: Rename RetainPtr => RefPtr and Retained => NonnullRefPtr.
2019-06-21 18:37:47 +02:00
RefPtr<FileDescription> m_file;
Kernel: More sockets work. Fleshing out accept().
2019-02-14 15:17:30 +01:00
bool m_bound { false };
Kernel: Give each FileDescriptor a chance to co-open sockets. Track how many fds are open for a socket's Accepted and Connected roles. This allows fork() to clone a socket fd without a subsequent close() walking all over the parent process's fd.
2019-02-17 11:00:35 +01:00
int m_accepted_fds_open { 0 };
int m_connected_fds_open { 0 };
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
int m_connecting_fds_open { 0 };
Kernel: More sockets work. Fleshing out accept().
2019-02-14 15:17:30 +01:00
sockaddr_un m_address;
Kernel: Begin implementing UNIX domain sockets.
2019-02-14 14:17:38 +01:00
DoubleBuffer m_for_client;
DoubleBuffer m_for_server;
};
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