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Add syscall sendmsg and recvmsg

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This commit is contained in:
Jianfeng Jiang
2024-03-20 03:25:18 +00:00
committed by Tate, Hongliang Tian
parent c5d0099dfd
commit cb5b996274
26 changed files with 851 additions and 186 deletions
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16
kernel/aster-nix/src/syscall/recvfrom.rs
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@ -7,7 +7,7 @@ use crate::{
prelude::*,
util::{
net::{get_socket_from_fd, write_socket_addr_to_user},
write_bytes_to_user,
IoVec,
},
};
@ -24,14 +24,14 @@ pub fn sys_recvfrom(
let socket = get_socket_from_fd(sockfd)?;
let mut buffer = vec![0u8; len];
let io_vecs = [IoVec::new(buf, len)];
let (recv_size, message_header) = socket.recvmsg(&io_vecs, flags)?;
let (recv_size, socket_addr) = socket.recvfrom(&mut buffer, flags)?;
if buf != 0 {
write_bytes_to_user(buf, &buffer[..recv_size])?;
}
if src_addr != 0 {
write_socket_addr_to_user(&socket_addr, src_addr, addrlen_ptr)?;
if let Some(socket_addr) = message_header.addr()
&& src_addr != 0
{
write_socket_addr_to_user(socket_addr, src_addr, addrlen_ptr)?;
}
Ok(SyscallReturn::Return(recv_size as _))
}