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bf58241c11
This is really cool! :^) Apps currently refuse to start if the WindowServer isn't listening on the socket in /wsportal. This makes sense, but I guess it would also be nice to have some sort of "wait for server on startup" mode. This has performance issues, and I'll work on those, but this stuff seems to actually work and I'm very happy with that.
109 lines
3.0 KiB
C++
109 lines
3.0 KiB
C++
#pragma once
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#include "VirtualFileSystem.h"
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#include "InodeMetadata.h"
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#include "FIFO.h"
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#include <AK/ByteBuffer.h>
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#include <AK/CircularQueue.h>
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#include <AK/Retainable.h>
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#include <AK/Badge.h>
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#include <Kernel/Socket.h>
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class TTY;
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class MasterPTY;
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class Process;
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class FileDescriptor : public Retainable<FileDescriptor> {
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public:
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static RetainPtr<FileDescriptor> create(RetainPtr<Socket>&&, SocketRole = SocketRole::None);
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static RetainPtr<FileDescriptor> create(RetainPtr<Inode>&&);
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static RetainPtr<FileDescriptor> create(RetainPtr<CharacterDevice>&&);
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static RetainPtr<FileDescriptor> create_pipe_writer(FIFO&);
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static RetainPtr<FileDescriptor> create_pipe_reader(FIFO&);
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~FileDescriptor();
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RetainPtr<FileDescriptor> clone();
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int close();
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off_t seek(off_t, int whence);
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ssize_t read(Process&, byte*, size_t);
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ssize_t write(Process&, const byte* data, size_t);
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int fstat(stat*);
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bool can_read(Process&);
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bool can_write(Process&);
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ssize_t get_dir_entries(byte* buffer, size_t);
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ByteBuffer read_entire_file(Process&);
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String absolute_path();
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bool is_directory() const;
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bool is_character_device() const { return m_device.ptr(); }
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CharacterDevice* character_device() { return m_device.ptr(); }
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const CharacterDevice* character_device() const { return m_device.ptr(); }
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bool is_tty() const;
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const TTY* tty() const;
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TTY* tty();
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bool is_master_pty() const;
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const MasterPTY* master_pty() const;
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MasterPTY* master_pty();
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InodeMetadata metadata() const;
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Inode* inode() { return m_inode.ptr(); }
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const Inode* inode() const { return m_inode.ptr(); }
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bool supports_mmap() const { return m_inode && !m_device; }
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bool is_blocking() const { return m_is_blocking; }
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void set_blocking(bool b) { m_is_blocking = b; }
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dword file_flags() const { return m_file_flags; }
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void set_file_flags(dword flags) { m_file_flags = flags; }
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bool is_socket() const { return m_socket; }
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Socket* socket() { return m_socket.ptr(); }
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const Socket* socket() const { return m_socket.ptr(); }
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bool is_fifo() const { return m_fifo; }
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FIFO::Direction fifo_direction() { return m_fifo_direction; }
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ByteBuffer& generator_cache() { return m_generator_cache; }
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void set_original_inode(Badge<VFS>, RetainPtr<Inode>&& inode) { m_inode = move(inode); }
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void set_socket_role(SocketRole role) { m_socket_role = role; }
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private:
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friend class VFS;
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FileDescriptor(RetainPtr<Socket>&&, SocketRole);
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explicit FileDescriptor(RetainPtr<Inode>&&);
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explicit FileDescriptor(RetainPtr<CharacterDevice>&&);
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FileDescriptor(FIFO&, FIFO::Direction);
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RetainPtr<Inode> m_inode;
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RetainPtr<CharacterDevice> m_device;
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off_t m_current_offset { 0 };
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ByteBuffer m_generator_cache;
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bool m_is_blocking { true };
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dword m_file_flags { 0 };
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RetainPtr<Socket> m_socket;
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SocketRole m_socket_role { SocketRole::None };
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RetainPtr<FIFO> m_fifo;
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FIFO::Direction m_fifo_direction { FIFO::Neither };
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bool m_closed { false };
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};
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