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Use IoVec-based reader/writer to refactor network APIs

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This commit is contained in:
Jianfeng Jiang
2024-09-11 02:36:24 +00:00
committed by Tate, Hongliang Tian
parent ea8327af0f
commit 985813c7f9
24 changed files with 484 additions and 453 deletions
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14
kernel/src/syscall/sendto.rs
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@ -5,10 +5,7 @@ use crate::{
fs::file_table::FileDesc,
net::socket::{MessageHeader, SendRecvFlags},
prelude::*,
util::{
net::{get_socket_from_fd, read_socket_addr_from_user},
IoVec,
},
util::net::{get_socket_from_fd, read_socket_addr_from_user},
};
pub fn sys_sendto(
@ -18,7 +15,7 @@ pub fn sys_sendto(
flags: i32,
dest_addr: Vaddr,
addrlen: usize,
_ctx: &Context,
ctx: &Context,
) -> Result<SyscallReturn> {
let flags = SendRecvFlags::from_bits_truncate(flags);
let socket_addr = if dest_addr == 0 {
@ -31,10 +28,13 @@ pub fn sys_sendto(
let socket = get_socket_from_fd(sockfd)?;
let io_vecs = [IoVec::new(buf, len)];
let message_header = MessageHeader::new(socket_addr, None);
let send_size = socket.sendmsg(&io_vecs, message_header, flags)?;
let mut reader = {
let vm_space = ctx.process.root_vmar().vm_space();
vm_space.reader(buf, len)?
};
let send_size = socket.sendmsg(&mut reader, message_header, flags)?;
Ok(SyscallReturn::Return(send_size as _))
}