| use core::{mem, slice}; |
| |
| use data::*; |
| use error::*; |
| use number::*; |
| |
| pub trait SchemeBlockMut { |
| fn handle(&mut self, packet: &Packet) -> Option<usize> { |
| let res = match packet.a { |
| SYS_OPEN => self.open(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d, packet.uid, packet.gid), |
| SYS_CHMOD => self.chmod(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.d as u16, packet.uid, packet.gid), |
| SYS_RMDIR => self.rmdir(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid), |
| SYS_UNLINK => self.unlink(unsafe { slice::from_raw_parts(packet.b as *const u8, packet.c) }, packet.uid, packet.gid), |
| |
| SYS_DUP => self.dup(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }), |
| SYS_READ => self.read(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }), |
| SYS_WRITE => self.write(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }), |
| SYS_LSEEK => self.seek(packet.b, packet.c, packet.d), |
| SYS_FCHMOD => self.fchmod(packet.b, packet.c as u16), |
| SYS_FCHOWN => self.fchown(packet.b, packet.c as u32, packet.d as u32), |
| SYS_FCNTL => self.fcntl(packet.b, packet.c, packet.d), |
| SYS_FEVENT => self.fevent(packet.b, packet.c), |
| SYS_FMAP => self.fmap(packet.b, packet.c, packet.d), |
| SYS_FPATH => self.fpath(packet.b, unsafe { slice::from_raw_parts_mut(packet.c as *mut u8, packet.d) }), |
| SYS_FRENAME => self.frename(packet.b, unsafe { slice::from_raw_parts(packet.c as *const u8, packet.d) }, packet.uid, packet.gid), |
| SYS_FSTAT => if packet.d >= mem::size_of::<Stat>() { |
| self.fstat(packet.b, unsafe { &mut *(packet.c as *mut Stat) }) |
| } else { |
| Err(Error::new(EFAULT)) |
| }, |
| SYS_FSTATVFS => if packet.d >= mem::size_of::<StatVfs>() { |
| self.fstatvfs(packet.b, unsafe { &mut *(packet.c as *mut StatVfs) }) |
| } else { |
| Err(Error::new(EFAULT)) |
| }, |
| SYS_FSYNC => self.fsync(packet.b), |
| SYS_FTRUNCATE => self.ftruncate(packet.b, packet.c), |
| SYS_FUTIMENS => if packet.d >= mem::size_of::<TimeSpec>() { |
| self.futimens(packet.b, unsafe { slice::from_raw_parts(packet.c as *const TimeSpec, packet.d / mem::size_of::<TimeSpec>()) }) |
| } else { |
| Err(Error::new(EFAULT)) |
| }, |
| SYS_CLOSE => self.close(packet.b), |
| _ => Err(Error::new(ENOSYS)) |
| }; |
| |
| res.transpose().map(Error::mux) |
| } |
| |
| /* Scheme operations */ |
| |
| #[allow(unused_variables)] |
| fn open(&mut self, path: &[u8], flags: usize, uid: u32, gid: u32) -> Result<Option<usize>> { |
| Err(Error::new(ENOENT)) |
| } |
| |
| #[allow(unused_variables)] |
| fn chmod(&mut self, path: &[u8], mode: u16, uid: u32, gid: u32) -> Result<Option<usize>> { |
| Err(Error::new(ENOENT)) |
| } |
| |
| #[allow(unused_variables)] |
| fn rmdir(&mut self, path: &[u8], uid: u32, gid: u32) -> Result<Option<usize>> { |
| Err(Error::new(ENOENT)) |
| } |
| |
| #[allow(unused_variables)] |
| fn unlink(&mut self, path: &[u8], uid: u32, gid: u32) -> Result<Option<usize>> { |
| Err(Error::new(ENOENT)) |
| } |
| |
| /* Resource operations */ |
| #[allow(unused_variables)] |
| fn dup(&mut self, old_id: usize, buf: &[u8]) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn read(&mut self, id: usize, buf: &mut [u8]) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn write(&mut self, id: usize, buf: &[u8]) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn seek(&mut self, id: usize, pos: usize, whence: usize) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn fchmod(&mut self, id: usize, mode: u16) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn fchown(&mut self, id: usize, uid: u32, gid: u32) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn fcntl(&mut self, id: usize, cmd: usize, arg: usize) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn fevent(&mut self, id: usize, flags: usize) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn fmap(&mut self, id: usize, offset: usize, size: usize) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn fpath(&mut self, id: usize, buf: &mut [u8]) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn frename(&mut self, id: usize, path: &[u8], uid: u32, gid: u32) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn fstat(&mut self, id: usize, stat: &mut Stat) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn fstatvfs(&mut self, id: usize, stat: &mut StatVfs) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn fsync(&mut self, id: usize) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn ftruncate(&mut self, id: usize, len: usize) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn futimens(&mut self, id: usize, times: &[TimeSpec]) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| |
| #[allow(unused_variables)] |
| fn close(&mut self, id: usize) -> Result<Option<usize>> { |
| Err(Error::new(EBADF)) |
| } |
| } |