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Add socket sendfile function #2311

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Merged
coolreader18 merged 8 commits into from
Oct 28, 2020
Merged

Add socket sendfile function #2311

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00920ba
Add socket sendfile function
rodrigocam Oct 26, 2020
a656c51
Add os sendfile function and python test
rodrigocam Oct 27, 2020
01e6f73
Remove socket sendfile wrong implementation
rodrigocam Oct 27, 2020
a8d579d
Add guard clause to check if os has sendfile function
rodrigocam Oct 27, 2020
a64ecbf
Process headers and trailers as array of byte buffers
rodrigocam Oct 27, 2020
6de2dc6
Add macro call to allow function up to seven parameters
rodrigocam Oct 28, 2020
7d45672
Skip unrelated test in test_os
coolreader18 Oct 28, 2020
ad3922a
Skip shutil test
coolreader18 Oct 28, 2020
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Add socket sendfile function
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@rodrigocam
rodrigocam committed Oct 26, 2020
commit 00920babba140b7c35e490288ef4e4399656b199
26 changes: 26 additions & 0 deletions vm/src/stdlib/socket.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ use crate::pyobject::{
BorrowValue, Either, IntoPyObject, PyClassImpl, PyObjectRef, PyRef, PyResult, PyValue,
StaticType, TryFromObject,
};
use crate::stdlib::os::rust_file;
use crate::vm::VirtualMachine;

#[cfg(unix)]
Expand Down Expand Up @@ -220,6 +221,31 @@ impl PySocket {
Ok(())
}

#[pymethod]
fn sendfile(&self, fd: i64, offset: OptionalArg<u64>, count: OptionalArg<u64>, vm: &VirtualMachine) -> PyResult<usize> {
let mut file = rust_file(fd);
let mut bufsize: u64 = 0;

if let Ok(metadata) = file.metadata() {
bufsize = metadata.len();
}

if let OptionalArg::Present(c) = count {
bufsize = c;
}

let mut buffer = vec![0u8; bufsize as usize];

let n = file
.read(&mut buffer)
.map_err(|err| err.into_pyexception(vm))?;

buffer.truncate(n);

let bytes = PyBytesLike::try_from_object(vm, vm.ctx.new_bytes(buffer))?;
self.send(bytes, vm)
}

#[pymethod]
fn close(&self) {
*self.sock_mut() = invalid_sock();
Expand Down