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implement missing IO function for SocketFile

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This commit is contained in:
WangRunji 2019-04-21 17:26:17 +08:00
parent 58ff7b88b5
commit 5d9b8e4fa3
1 changed files with 26 additions and 6 deletions
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32
src/libos/src/fs/socket_file.rs
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@ -64,20 +64,40 @@ impl File for SocketFile {
}
}
fn read_at(&self, offset: usize, buf: &mut [u8]) -> Result<usize, Error> {
unimplemented!()
fn read_at(&self, _offset: usize, buf: &mut [u8]) -> Result<usize, Error> {
self.read(buf)
}
fn write_at(&self, offset: usize, buf: &[u8]) -> Result<usize, Error> {
unimplemented!()
fn write_at(&self, _offset: usize, buf: &[u8]) -> Result<usize, Error> {
self.write(buf)
}
fn readv(&self, bufs: &mut [&mut [u8]]) -> Result<usize, Error> {
unimplemented!()
let mut total_len = 0;
for buf in bufs {
match self.read(buf) {
Ok(len) => {
total_len += len;
}
Err(_) if total_len != 0 => break,
Err(e) => return Err(e.into()),
}
}
Ok(total_len)
}
fn writev(&self, bufs: &[&[u8]]) -> Result<usize, Error> {
unimplemented!()
let mut total_len = 0;
for buf in bufs {
match self.write(buf) {
Ok(len) => {
total_len += len;
}
Err(_) if total_len != 0 => break,
Err(e) => return Err(e.into()),
}
}
Ok(total_len)
}
fn seek(&self, pos: SeekFrom) -> Result<off_t, Error> {