128 lines
4.8 KiB
C++
128 lines
4.8 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2012, 2013, 2014, 2015.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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sortix/kernel/vnode.h
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Nodes in the virtual filesystem.
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*******************************************************************************/
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#ifndef INCLUDE_SORTIX_KERNEL_VNODE_H
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#define INCLUDE_SORTIX_KERNEL_VNODE_H
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#include <sys/types.h>
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#include <stdint.h>
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#include <sortix/timespec.h>
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#include <sortix/kernel/refcount.h>
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struct stat;
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struct statvfs;
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struct termios;
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struct wincurpos;
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struct winsize;
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struct kernel_dirent;
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namespace Sortix {
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class PollNode;
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class Inode;
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struct ioctx_struct;
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typedef struct ioctx_struct ioctx_t;
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// An interface describing all operations possible on an vnode.
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class Vnode : public Refcountable
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{
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public: /* These must never change after construction and is read-only. */
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ino_t ino;
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dev_t dev;
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mode_t type; // For use by S_IS* macros.
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public:
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Vnode(Ref<Inode> inode, Ref<Vnode> mountedat, ino_t rootino, dev_t rootdev);
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virtual ~Vnode();
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int sync(ioctx_t* ctx);
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int stat(ioctx_t* ctx, struct stat* st);
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int statvfs(ioctx_t* ctx, struct statvfs* stvfs);
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int chmod(ioctx_t* ctx, mode_t mode);
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int chown(ioctx_t* ctx, uid_t owner, gid_t group);
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int truncate(ioctx_t* ctx, off_t length);
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off_t lseek(ioctx_t* ctx, off_t offset, int whence);
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ssize_t read(ioctx_t* ctx, uint8_t* buf, size_t count);
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ssize_t pread(ioctx_t* ctx, uint8_t* buf, size_t count, off_t off);
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ssize_t write(ioctx_t* ctx, const uint8_t* buf, size_t count);
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ssize_t pwrite(ioctx_t* ctx, const uint8_t* buf, size_t count, off_t off);
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int utimens(ioctx_t* ctx, const struct timespec* atime,
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const struct timespec* ctime, const struct timespec* mtime);
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int isatty(ioctx_t* ctx);
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ssize_t readdirents(ioctx_t* ctx, struct kernel_dirent* dirent,
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size_t size, off_t start, size_t maxcount);
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Ref<Vnode> open(ioctx_t* ctx, const char* filename, int flags, mode_t mode);
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int mkdir(ioctx_t* ctx, const char* filename, mode_t mode);
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int unlink(ioctx_t* ctx, const char* filename);
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int rmdir(ioctx_t* ctx, const char* filename);
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int link(ioctx_t* ctx, const char* filename, Ref<Vnode> node);
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int symlink(ioctx_t* ctx, const char* oldname, const char* filename);
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ssize_t readlink(ioctx_t* ctx, char* buf, size_t bufsiz);
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int fsbind(ioctx_t* ctx, Vnode* node, int flags);
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int tcgetwincurpos(ioctx_t* ctx, struct wincurpos* wcp);
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int tcgetwinsize(ioctx_t* ctx, struct winsize* ws);
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int tcsetpgrp(ioctx_t* ctx, pid_t pgid);
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pid_t tcgetpgrp(ioctx_t* ctx);
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int settermmode(ioctx_t* ctx, unsigned mode);
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int gettermmode(ioctx_t* ctx, unsigned* mode);
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int poll(ioctx_t* ctx, PollNode* node);
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int rename_here(ioctx_t* ctx, Ref<Vnode> from, const char* oldname,
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const char* newname);
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Ref<Vnode> accept(ioctx_t* ctx, uint8_t* addr, size_t* addrlen, int flags);
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int bind(ioctx_t* ctx, const uint8_t* addr, size_t addrlen);
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int connect(ioctx_t* ctx, const uint8_t* addr, size_t addrlen);
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int listen(ioctx_t* ctx, int backlog);
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ssize_t recv(ioctx_t* ctx, uint8_t* buf, size_t count, int flags);
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ssize_t send(ioctx_t* ctx, const uint8_t* buf, size_t count, int flags);
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int getsockopt(ioctx_t* ctx, int level, int option_name,
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void* option_value, size_t* option_size_ptr);
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int setsockopt(ioctx_t* ctx, int level, int option_name,
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const void* option_value, size_t option_size);
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ssize_t tcgetblob(ioctx_t* ctx, const char* name, void* buffer, size_t count);
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ssize_t tcsetblob(ioctx_t* ctx, const char* name, const void* buffer, size_t count);
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int unmount(ioctx_t* ctx, const char* filename, int flags);
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int fsm_fsbind(ioctx_t* ctx, Ref<Vnode> target, int flags);
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Ref<Vnode> fsm_mount(ioctx_t* ctx, const char* filename, const struct stat* rootst, int flags);
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int tcdrain(ioctx_t* ctx);
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int tcflow(ioctx_t* ctx, int action);
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int tcflush(ioctx_t* ctx, int queue_selector);
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int tcgetattr(ioctx_t* ctx, struct termios* tio);
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pid_t tcgetsid(ioctx_t* ctx);
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int tcsendbreak(ioctx_t* ctx, int duration);
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int tcsetattr(ioctx_t* ctx, int actions, const struct termios* tio);
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public /*TODO: private*/:
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Ref<Inode> inode;
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Ref<Vnode> mountedat;
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ino_t rootino;
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dev_t rootdev;
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};
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} // namespace Sortix
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#endif
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