This commit is contained in:
lubeilin
2023-03-13 22:11:52 +08:00
parent 5b2c2435d5
commit 6f7992ea9f
46 changed files with 760 additions and 2124 deletions
+47 -120
View File
@@ -13,10 +13,10 @@
// 0. You just DO WHAT THE FUCK YOU WANT TO.
use std::ffi::{CStr, CString};
use std::io::{self, Read, Write};
use std::io;
use std::mem;
use std::net::Ipv4Addr;
use std::os::unix::io::{AsRawFd, IntoRawFd, RawFd};
use std::os::unix::io::AsRawFd;
use std::ptr;
use std::sync::Arc;
use std::vec::Vec;
@@ -77,10 +77,10 @@ impl Device {
req.ifru.flags = device_type
| if config.platform.packet_information {
0
} else {
IFF_NO_PI
}
0
} else {
IFF_NO_PI
}
| if queues_num > 1 { IFF_MULTI_QUEUE } else { 0 };
for _ in 0..queues_num {
@@ -92,7 +92,7 @@ impl Device {
}
queues.push(Queue {
tun,
tun: Arc::new(tun),
pi_enabled: config.platform.packet_information,
});
}
@@ -126,45 +126,40 @@ impl Device {
req
}
/// Make the device persistent.
pub fn persist(&mut self) -> Result<()> {
unsafe {
if tunsetpersist(self.as_raw_fd(), &1) < 0 {
Err(io::Error::last_os_error().into())
} else {
Ok(())
}
}
}
// /// Make the device persistent.
// pub fn persist(&mut self) -> Result<()> {
// unsafe {
// if tunsetpersist(self.as_raw_fd(), &1) < 0 {
// Err(io::Error::last_os_error().into())
// } else {
// Ok(())
// }
// }
// }
/// Set the owner of the device.
pub fn user(&mut self, value: i32) -> Result<()> {
unsafe {
if tunsetowner(self.as_raw_fd(), &value) < 0 {
Err(io::Error::last_os_error().into())
} else {
Ok(())
}
}
}
/// Set the group of the device.
pub fn group(&mut self, value: i32) -> Result<()> {
unsafe {
if tunsetgroup(self.as_raw_fd(), &value) < 0 {
Err(io::Error::last_os_error().into())
} else {
Ok(())
}
}
}
pub fn split(mut self) -> (posix::Reader, posix::Writer) {
let queue = self.queues.swap_remove(0);
let fd = Arc::new(queue.tun);
(posix::Reader(fd.clone()), posix::Writer(fd.clone()))
}
// /// Set the owner of the device.
// pub fn user(&mut self, value: i32) -> Result<()> {
// unsafe {
// if tunsetowner(self.as_raw_fd(), &value) < 0 {
// Err(io::Error::last_os_error().into())
// } else {
// Ok(())
// }
// }
// }
//
// /// Set the group of the device.
// pub fn group(&mut self, value: i32) -> Result<()> {
// unsafe {
// if tunsetgroup(self.as_raw_fd(), &value) < 0 {
// Err(io::Error::last_os_error().into())
// } else {
// Ok(())
// }
// }
// }
/// Return whether the device has packet information
pub fn has_packet_information(&mut self) -> bool {
pub fn has_packet_information(&self) -> bool {
self.queues[0].has_packet_information()
}
@@ -174,30 +169,6 @@ impl Device {
}
}
impl Read for Device {
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
self.queues[0].read(buf)
}
fn read_vectored(&mut self, bufs: &mut [io::IoSliceMut<'_>]) -> io::Result<usize> {
self.queues[0].read_vectored(bufs)
}
}
impl Write for Device {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.queues[0].write(buf)
}
fn flush(&mut self) -> io::Result<()> {
self.queues[0].flush()
}
fn write_vectored(&mut self, bufs: &[io::IoSlice<'_>]) -> io::Result<usize> {
self.queues[0].write_vectored(bufs)
}
}
impl D for Device {
type Queue = Queue;
@@ -377,73 +348,29 @@ impl D for Device {
}
}
fn queue(&mut self, index: usize) -> Option<&mut Self::Queue> {
self.queues.get_mut(index)
}
}
impl AsRawFd for Device {
fn as_raw_fd(&self) -> RawFd {
self.queues[0].as_raw_fd()
}
}
impl IntoRawFd for Device {
fn into_raw_fd(mut self) -> RawFd {
// It is Ok to swap the first queue with the last one, because the self will be dropped afterwards
let queue = self.queues.swap_remove(0);
queue.into_raw_fd()
fn queue(&self, index: usize) -> Option<&Self::Queue> {
self.queues.get(index)
}
}
pub struct Queue {
tun: Fd,
tun: Arc<Fd>,
pi_enabled: bool,
}
impl Queue {
pub fn has_packet_information(&mut self) -> bool {
pub fn has_packet_information(&self) -> bool {
self.pi_enabled
}
pub fn set_nonblock(&self) -> io::Result<()> {
self.tun.set_nonblock()
}
}
impl Read for Queue {
fn read(&mut self, buf: &mut [u8]) -> io::Result<usize> {
self.tun.read(buf)
pub fn reader(&self) -> posix::Reader {
posix::Reader(self.tun.clone())
}
fn read_vectored(&mut self, bufs: &mut [io::IoSliceMut<'_>]) -> io::Result<usize> {
self.tun.read_vectored(bufs)
}
}
impl Write for Queue {
fn write(&mut self, buf: &[u8]) -> io::Result<usize> {
self.tun.write(buf)
}
fn flush(&mut self) -> io::Result<()> {
self.tun.flush()
}
fn write_vectored(&mut self, bufs: &[io::IoSlice<'_>]) -> io::Result<usize> {
self.tun.write_vectored(bufs)
}
}
impl AsRawFd for Queue {
fn as_raw_fd(&self) -> RawFd {
self.tun.as_raw_fd()
}
}
impl IntoRawFd for Queue {
fn into_raw_fd(self) -> RawFd {
self.tun.into_raw_fd()
pub fn writer(&self) -> posix::Writer {
posix::Writer(self.tun.clone())
}
}