removes total-size from return value of recv_mmsg

This commit is contained in:
behzad nouri 2022-01-04 09:08:15 -05:00
parent 6c65734330
commit 4b24499916
5 changed files with 22 additions and 28 deletions

View File

@ -2818,8 +2818,7 @@ mod tests {
.unwrap();
let mut packets = vec![Packet::default(); 2];
let (_, num_received) =
recv_mmsg(recv_socket, &mut packets[..]).unwrap_or_default();
let num_received = recv_mmsg(recv_socket, &mut packets[..]).unwrap_or_default();
assert_eq!(num_received, expected_num_forwarded, "{}", name);
}
@ -2918,8 +2917,7 @@ mod tests {
.unwrap();
let mut packets = vec![Packet::default(); 2];
let (_, num_received) =
recv_mmsg(recv_socket, &mut packets[..]).unwrap_or_default();
let num_received = recv_mmsg(recv_socket, &mut packets[..]).unwrap_or_default();
assert_eq!(num_received, expected_ids.len(), "{}", name);
for (i, expected_id) in expected_ids.iter().enumerate() {
assert_eq!(packets[i].meta.size, 1);

View File

@ -41,7 +41,7 @@ pub fn recv_from(batch: &mut PacketBatch, socket: &UdpSocket, max_wait_ms: u64)
trace!("recv_from err {:?}", e);
return Err(e);
}
Ok((_, npkts)) => {
Ok(npkts) => {
if i == 0 {
socket.set_nonblocking(true)?;
}

View File

@ -14,10 +14,9 @@ use {
};
#[cfg(not(target_os = "linux"))]
pub fn recv_mmsg(socket: &UdpSocket, packets: &mut [Packet]) -> io::Result<(usize, usize)> {
pub fn recv_mmsg(socket: &UdpSocket, packets: &mut [Packet]) -> io::Result</*num packets:*/ usize> {
let mut i = 0;
let count = cmp::min(NUM_RCVMMSGS, packets.len());
let mut total_size = 0;
for p in packets.iter_mut().take(count) {
p.meta.size = 0;
match socket.recv_from(&mut p.data) {
@ -28,7 +27,6 @@ pub fn recv_mmsg(socket: &UdpSocket, packets: &mut [Packet]) -> io::Result<(usiz
return Err(e);
}
Ok((nrecv, from)) => {
total_size += nrecv;
p.meta.size = nrecv;
p.meta.set_addr(&from);
if i == 0 {
@ -38,7 +36,7 @@ pub fn recv_mmsg(socket: &UdpSocket, packets: &mut [Packet]) -> io::Result<(usiz
}
i += 1;
}
Ok((total_size, i))
Ok(i)
}
#[cfg(target_os = "linux")]
@ -67,7 +65,7 @@ fn cast_socket_addr(addr: &sockaddr_storage, hdr: &mmsghdr) -> Option<InetAddr>
#[cfg(target_os = "linux")]
#[allow(clippy::uninit_assumed_init)]
pub fn recv_mmsg(sock: &UdpSocket, packets: &mut [Packet]) -> io::Result<(usize, usize)> {
pub fn recv_mmsg(sock: &UdpSocket, packets: &mut [Packet]) -> io::Result</*num packets:*/ usize> {
const SOCKADDR_STORAGE_SIZE: usize = mem::size_of::<sockaddr_storage>();
let mut hdrs: [mmsghdr; NUM_RCVMMSGS] = unsafe { mem::zeroed() };
@ -99,7 +97,6 @@ pub fn recv_mmsg(sock: &UdpSocket, packets: &mut [Packet]) -> io::Result<(usize,
return Err(io::Error::last_os_error());
}
let mut npkts = 0;
let mut total_size = 0;
izip!(addrs, hdrs, packets.iter_mut())
.take(nrecv as usize)
@ -111,9 +108,8 @@ pub fn recv_mmsg(sock: &UdpSocket, packets: &mut [Packet]) -> io::Result<(usize,
pkt.meta.size = hdr.msg_len as usize;
pkt.meta.set_addr(&addr);
npkts += 1;
total_size += pkt.meta.size;
});
Ok((total_size, npkts))
Ok(npkts)
}
#[cfg(test)]
@ -147,7 +143,7 @@ mod tests {
}
let mut packets = vec![Packet::default(); TEST_NUM_MSGS];
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap();
assert_eq!(sent, recv);
for packet in packets.iter().take(recv) {
assert_eq!(packet.meta.size, PACKET_DATA_SIZE);
@ -173,14 +169,14 @@ mod tests {
}
let mut packets = vec![Packet::default(); TEST_NUM_MSGS];
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap();
assert_eq!(TEST_NUM_MSGS, recv);
for packet in packets.iter().take(recv) {
assert_eq!(packet.meta.size, PACKET_DATA_SIZE);
assert_eq!(packet.meta.addr(), saddr);
}
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap();
assert_eq!(sent - TEST_NUM_MSGS, recv);
for packet in packets.iter().take(recv) {
assert_eq!(packet.meta.size, PACKET_DATA_SIZE);
@ -212,7 +208,7 @@ mod tests {
let start = Instant::now();
let mut packets = vec![Packet::default(); TEST_NUM_MSGS];
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap();
assert_eq!(TEST_NUM_MSGS, recv);
for packet in packets.iter().take(recv) {
assert_eq!(packet.meta.size, PACKET_DATA_SIZE);
@ -249,7 +245,7 @@ mod tests {
let mut packets = vec![Packet::default(); TEST_NUM_MSGS];
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap();
assert_eq!(TEST_NUM_MSGS, recv);
for packet in packets.iter().take(sent1) {
assert_eq!(packet.meta.size, PACKET_DATA_SIZE);
@ -260,7 +256,7 @@ mod tests {
assert_eq!(packet.meta.addr(), saddr2);
}
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap();
assert_eq!(sent1 + sent2 - TEST_NUM_MSGS, recv);
for packet in packets.iter().take(recv) {
assert_eq!(packet.meta.size, PACKET_DATA_SIZE);

View File

@ -175,7 +175,7 @@ mod tests {
assert_eq!(sent, Some(()));
let mut packets = vec![Packet::default(); 32];
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap();
assert_eq!(32, recv);
}
@ -206,11 +206,11 @@ mod tests {
assert_eq!(sent, Some(()));
let mut packets = vec![Packet::default(); 32];
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap();
assert_eq!(16, recv);
let mut packets = vec![Packet::default(); 32];
let recv = recv_mmsg(&reader2, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader2, &mut packets[..]).unwrap();
assert_eq!(16, recv);
}
@ -241,19 +241,19 @@ mod tests {
assert_eq!(sent, Some(()));
let mut packets = vec![Packet::default(); 32];
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap();
assert_eq!(1, recv);
let mut packets = vec![Packet::default(); 32];
let recv = recv_mmsg(&reader2, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader2, &mut packets[..]).unwrap();
assert_eq!(1, recv);
let mut packets = vec![Packet::default(); 32];
let recv = recv_mmsg(&reader3, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader3, &mut packets[..]).unwrap();
assert_eq!(1, recv);
let mut packets = vec![Packet::default(); 32];
let recv = recv_mmsg(&reader4, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader4, &mut packets[..]).unwrap();
assert_eq!(1, recv);
}

View File

@ -25,7 +25,7 @@ pub fn test_recv_mmsg_batch_size() {
}
let mut packets = vec![Packet::default(); TEST_BATCH_SIZE];
let now = Instant::now();
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap().1;
let recv = recv_mmsg(&reader, &mut packets[..]).unwrap();
elapsed_in_max_batch += now.elapsed().as_nanos();
assert_eq!(TEST_BATCH_SIZE, recv);
});
@ -40,7 +40,7 @@ pub fn test_recv_mmsg_batch_size() {
let mut recv = 0;
let now = Instant::now();
while let Ok(num) = recv_mmsg(&reader, &mut packets[..]) {
recv += num.1;
recv += num;
if recv >= TEST_BATCH_SIZE {
break;
}