optimize packet def (#31)

Cargo.toml

@@ -1,17 +1,12 @@
 [workspace]
-resolver= "2"
+resolver = "2"
-members = [
+members = ["easytier-core", "easytier-cli"]
-    "easytier-core",
-    "easytier-cli"
-]
 
-default-members = [
+default-members = ["easytier-core", "easytier-cli"]
-    "easytier-core",
-    "easytier-cli"
-]
 
 [profile.dev]
 panic = "abort"
 
 [profile.release]
 panic = "abort"
+lto = true

easytier-core/Cargo.toml

@@ -56,7 +56,8 @@ crossbeam-queue = "0.3"
 once_cell = "1.18.0"
 
 # for packet
-rkyv = { "version" = "0.7.42", features = ["validation", "archive_le"] }
+rkyv = { "version" = "0.7.42", features = ["validation", "archive_le", "strict", "copy_unsafe", "arbitrary_enum_discriminant"] }
+postcard = {"version"= "*", features = ["alloc"]}
 
 # for rpc
 tonic = "0.10"

easytier-core/src/common/rkyv_util.rs

@@ -1,4 +1,5 @@
 use rkyv::{
+    string::ArchivedString,
     validation::{validators::DefaultValidator, CheckTypeError},
     vec::ArchivedVec,
     Archive, CheckBytes, Serialize,
@@ -43,6 +44,19 @@ pub fn extract_bytes_from_archived_vec(raw_data: &Bytes, archived_data: &Archive
     return raw_data.slice(offset..offset + len);
 }
 
+pub fn extract_bytes_from_archived_string(
+    raw_data: &Bytes,
+    archived_data: &ArchivedString,
+) -> Bytes {
+    let offset = archived_data.as_ptr() as usize - raw_data.as_ptr() as usize;
+    let len = archived_data.len();
+    if offset + len > raw_data.len() {
+        return Bytes::new();
+    }
+
+    return raw_data.slice(offset..offset + archived_data.len());
+}
+
 pub fn extract_bytes_mut_from_archived_vec(
     raw_data: &mut BytesMut,
     archived_data: &ArchivedVec<u8>,
@@ -52,3 +66,7 @@ pub fn extract_bytes_mut_from_archived_vec(
     let len = ptr_range.end as usize - ptr_range.start as usize;
     raw_data.split_off(offset).split_to(len)
 }
+
+pub fn vec_to_string(vec: Vec<u8>) -> String {
+    unsafe { String::from_utf8_unchecked(vec) }
+}

easytier-core/src/gateway/icmp_proxy.rs

@@ -151,11 +151,11 @@ impl PeerPacketFilter for IcmpProxy {
     ) -> Option<()> {
         let _ = self.global_ctx.get_ipv4()?;
 
-        let packet::ArchivedPacketBody::Data(x) = &packet.body else {
+        if packet.packet_type != packet::PacketType::Data {
             return None;
         };
 
-        let ipv4 = Ipv4Packet::new(&x)?;
+        let ipv4 = Ipv4Packet::new(&packet.payload.as_bytes())?;
 
         if ipv4.get_version() != 4 || ipv4.get_next_level_protocol() != IpNextHeaderProtocols::Icmp
         {

easytier-core/src/gateway/tcp_proxy.rs

@@ -84,11 +84,13 @@ impl PeerPacketFilter for TcpProxy {
     async fn try_process_packet_from_peer(&self, packet: &ArchivedPacket, _: &Bytes) -> Option<()> {
         let ipv4_addr = self.global_ctx.get_ipv4()?;
 
-        let packet::ArchivedPacketBody::Data(x) = &packet.body else {
+        if packet.packet_type != packet::PacketType::Data {
             return None;
         };
 
-        let ipv4 = Ipv4Packet::new(&x)?;
+        let payload_bytes = packet.payload.as_bytes();
+
+        let ipv4 = Ipv4Packet::new(payload_bytes)?;
         if ipv4.get_version() != 4 || ipv4.get_next_level_protocol() != IpNextHeaderProtocols::Tcp {
             return None;
         }
@@ -99,8 +101,8 @@ impl PeerPacketFilter for TcpProxy {
 
         tracing::trace!(ipv4 = ?ipv4, cidr_set = ?self.cidr_set, "proxy tcp packet received");
 
-        let mut packet_buffer = BytesMut::with_capacity(x.len());
+        let mut packet_buffer = BytesMut::with_capacity(payload_bytes.len());
-        packet_buffer.extend_from_slice(&x.to_vec());
+        packet_buffer.extend_from_slice(&payload_bytes.to_vec());
 
         let (ip_buffer, tcp_buffer) =
             packet_buffer.split_at_mut(ipv4.get_header_length() as usize * 4);

easytier-core/src/gateway/udp_proxy.rs

@@ -242,11 +242,11 @@ impl PeerPacketFilter for UdpProxy {
 
         let _ = self.global_ctx.get_ipv4()?;
 
-        let packet::ArchivedPacketBody::Data(x) = &packet.body else {
+        if packet.packet_type != packet::PacketType::Data {
             return None;
         };
 
-        let ipv4 = Ipv4Packet::new(&x)?;
+        let ipv4 = Ipv4Packet::new(packet.payload.as_bytes())?;
 
         if ipv4.get_version() != 4 || ipv4.get_next_level_protocol() != IpNextHeaderProtocols::Udp {
             return None;

easytier-core/src/peer_center/instance.rs

@@ -89,7 +89,7 @@ impl PeerCenterBase {
                         tokio::time::sleep(Duration::from_secs(1)).await;
                         continue;
                     };
-                    tracing::info!(?center_peer, "run periodic job");
+                    tracing::trace!(?center_peer, "run periodic job");
                     let rpc_mgr = peer_mgr.get_peer_rpc_mgr();
                     let _g = lock.lock().await;
                     let ret = rpc_mgr

easytier-core/src/peer_center/server.rs

@@ -98,7 +98,7 @@ impl PeerCenterService for PeerCenterServer {
         peers: Option<PeerInfoForGlobalMap>,
         digest: Digest,
     ) -> Result<(), Error> {
-        tracing::info!("receive report_peers");
+        tracing::trace!("receive report_peers");
 
         let data = get_global_data(self.my_node_id);
         let mut locked_data = data.write().await;

easytier-core/src/peers/foreign_network_manager.rs

@@ -24,7 +24,7 @@ use crate::common::{
 };
 
 use super::{
-    packet::{self, ArchivedPacketBody},
+    packet::{self},
     peer_conn::PeerConn,
     peer_map::PeerMap,
     peer_rpc::{PeerRpcManager, PeerRpcManagerTransport},
@@ -245,7 +245,7 @@ impl ForeignNetworkManager {
                 let from_peer_id = packet.from_peer.into();
                 let to_peer_id = packet.to_peer.into();
                 if to_peer_id == my_node_id {
-                    if let ArchivedPacketBody::TaRpc(..) = &packet.body {
+                    if packet.packet_type == packet::PacketType::TaRpc {
                         rpc_sender.send(packet_bytes.clone()).unwrap();
                         continue;
                     }

easytier-core/src/peers/packet.rs

@@ -5,7 +5,7 @@ use tokio_util::bytes::Bytes;
 
 use crate::common::{
     global_ctx::NetworkIdentity,
-    rkyv_util::{decode_from_bytes, encode_to_bytes},
+    rkyv_util::{decode_from_bytes, encode_to_bytes, vec_to_string},
     PeerId,
 };
 
@@ -50,69 +50,23 @@ impl From<&ArchivedUUID> for UUID {
     }
 }
 
-#[derive(Archive, Deserialize, Serialize)]
+#[derive(serde::Serialize, serde::Deserialize, Debug)]
-#[archive(compare(PartialEq), check_bytes)]
-// Derives can be passed through to the generated type:
-pub struct NetworkIdentityForPacket(Vec<u8>);
-
-impl From<NetworkIdentity> for NetworkIdentityForPacket {
-    fn from(network: NetworkIdentity) -> Self {
-        Self(bincode::serialize(&network).unwrap())
-    }
-}
-
-impl From<NetworkIdentityForPacket> for NetworkIdentity {
-    fn from(network: NetworkIdentityForPacket) -> Self {
-        bincode::deserialize(&network.0).unwrap()
-    }
-}
-
-impl From<&ArchivedNetworkIdentityForPacket> for NetworkIdentity {
-    fn from(network: &ArchivedNetworkIdentityForPacket) -> Self {
-        NetworkIdentityForPacket(network.0.to_vec()).into()
-    }
-}
-
-impl Debug for NetworkIdentityForPacket {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        let network: NetworkIdentity = bincode::deserialize(&self.0).unwrap();
-        write!(f, "{:?}", network)
-    }
-}
-
-impl Debug for ArchivedNetworkIdentityForPacket {
-    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
-        let network: NetworkIdentity = bincode::deserialize(&self.0).unwrap();
-        write!(f, "{:?}", network)
-    }
-}
-
-#[derive(Archive, Deserialize, Serialize, Debug)]
-#[archive(compare(PartialEq), check_bytes)]
-// Derives can be passed through to the generated type:
-#[archive_attr(derive(Debug))]
 pub struct HandShake {
     pub magic: u32,
     pub my_peer_id: PeerId,
     pub version: u32,
     pub features: Vec<String>,
-    pub network_identity: NetworkIdentityForPacket,
+    pub network_identity: NetworkIdentity,
 }
 
-#[derive(Archive, Deserialize, Serialize, Debug)]
+#[derive(serde::Serialize, serde::Deserialize, Debug)]
-#[archive(compare(PartialEq), check_bytes)]
-#[archive_attr(derive(Debug))]
 pub struct RoutePacket {
     pub route_id: u8,
     pub body: Vec<u8>,
 }
 
-#[derive(Archive, Deserialize, Serialize, Debug)]
+#[derive(Debug, serde::Serialize, serde::Deserialize)]
-#[archive(compare(PartialEq), check_bytes)]
+pub enum CtrlPacketPayload {
-// Derives can be passed through to the generated type:
-#[archive_attr(derive(Debug))]
-pub enum PacketBody {
-    Data(Vec<u8>),
     HandShake(HandShake),
     RoutePacket(RoutePacket),
     Ping(u32),
@@ -120,20 +74,72 @@ pub enum PacketBody {
     TaRpc(u32, bool, Vec<u8>), // u32: service_id, bool: is_req, Vec<u8>: rpc body
 }
 
+impl CtrlPacketPayload {
+    pub fn from_packet(p: &ArchivedPacket) -> CtrlPacketPayload {
+        assert_ne!(p.packet_type, PacketType::Data);
+        postcard::from_bytes(p.payload.as_bytes()).unwrap()
+    }
+
+    pub fn from_packet2(p: &Packet) -> CtrlPacketPayload {
+        postcard::from_bytes(p.payload.as_bytes()).unwrap()
+    }
+}
+
+#[repr(u8)]
 #[derive(Archive, Deserialize, Serialize, Debug)]
 #[archive(compare(PartialEq), check_bytes)]
 // Derives can be passed through to the generated type:
 #[archive_attr(derive(Debug))]
+pub enum PacketType {
+    Data = 1,
+    HandShake = 2,
+    RoutePacket = 3,
+    Ping = 4,
+    Pong = 5,
+    TaRpc = 6,
+}
+
+#[derive(Archive, Deserialize, Serialize, Debug)]
+#[archive(compare(PartialEq), check_bytes)]
+// Derives can be passed through to the generated type:
 pub struct Packet {
     pub from_peer: PeerId,
     pub to_peer: PeerId,
-    pub body: PacketBody,
+    pub packet_type: PacketType,
+    pub payload: String,
+}
+
+impl std::fmt::Debug for ArchivedPacket {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        write!(
+            f,
+            "Packet {{ from_peer: {}, to_peer: {}, packet_type: {:?}, payload: {:?} }}",
+            self.from_peer,
+            self.to_peer,
+            self.packet_type,
+            &self.payload.as_bytes()
+        )
+    }
 }
 
 impl Packet {
     pub fn decode(v: &[u8]) -> &ArchivedPacket {
         decode_from_bytes::<Packet>(v).unwrap()
     }
+
+    pub fn new(
+        from_peer: PeerId,
+        to_peer: PeerId,
+        packet_type: PacketType,
+        payload: Vec<u8>,
+    ) -> Self {
+        Packet {
+            from_peer,
+            to_peer,
+            packet_type,
+            payload: vec_to_string(payload),
+        }
+    }
 }
 
 impl From<Packet> for Bytes {
@@ -144,52 +150,56 @@ impl From<Packet> for Bytes {
 
 impl Packet {
     pub fn new_handshake(from_peer: PeerId, network: &NetworkIdentity) -> Self {
-        Packet {
+        let handshake = CtrlPacketPayload::HandShake(HandShake {
-            from_peer: from_peer.into(),
-            to_peer: 0,
-            body: PacketBody::HandShake(HandShake {
             magic: MAGIC,
             my_peer_id: from_peer,
             version: VERSION,
             features: Vec::new(),
             network_identity: network.clone().into(),
-            }),
+        });
-        }
+        Packet::new(
+            from_peer.into(),
+            0,
+            PacketType::HandShake,
+            postcard::to_allocvec(&handshake).unwrap(),
+        )
     }
 
     pub fn new_data_packet(from_peer: PeerId, to_peer: PeerId, data: &[u8]) -> Self {
-        Packet {
+        Packet::new(from_peer, to_peer, PacketType::Data, data.to_vec())
-            from_peer,
-            to_peer,
-            body: PacketBody::Data(data.to_vec()),
-        }
     }
 
     pub fn new_route_packet(from_peer: PeerId, to_peer: PeerId, route_id: u8, data: &[u8]) -> Self {
-        Packet {
+        let route = CtrlPacketPayload::RoutePacket(RoutePacket {
-            from_peer,
-            to_peer,
-            body: PacketBody::RoutePacket(RoutePacket {
             route_id,
             body: data.to_vec(),
-            }),
+        });
-        }
+        Packet::new(
+            from_peer,
+            to_peer,
+            PacketType::RoutePacket,
+            postcard::to_allocvec(&route).unwrap(),
+        )
     }
 
     pub fn new_ping_packet(from_peer: PeerId, to_peer: PeerId, seq: u32) -> Self {
-        Packet {
+        let ping = CtrlPacketPayload::Ping(seq);
+        Packet::new(
             from_peer,
             to_peer,
-            body: PacketBody::Ping(seq),
+            PacketType::Ping,
-        }
+            postcard::to_allocvec(&ping).unwrap(),
+        )
     }
 
     pub fn new_pong_packet(from_peer: PeerId, to_peer: PeerId, seq: u32) -> Self {
-        Packet {
+        let pong = CtrlPacketPayload::Pong(seq);
+        Packet::new(
             from_peer,
             to_peer,
-            body: PacketBody::Pong(seq),
+            PacketType::Pong,
-        }
+            postcard::to_allocvec(&pong).unwrap(),
+        )
     }
 
     pub fn new_tarpc_packet(
@@ -199,11 +209,13 @@ impl Packet {
         is_req: bool,
         body: Vec<u8>,
     ) -> Self {
-        Packet {
+        let ta_rpc = CtrlPacketPayload::TaRpc(service_id, is_req, body);
+        Packet::new(
             from_peer,
             to_peer,
-            body: PacketBody::TaRpc(service_id, is_req, body),
+            PacketType::TaRpc,
-        }
+            postcard::to_allocvec(&ta_rpc).unwrap(),
+        )
     }
 }
 

easytier-core/src/peers/peer_conn.rs

@@ -16,10 +16,7 @@ use tokio::{
     time::{timeout, Duration},
 };
 
-use tokio_util::{
+use tokio_util::{bytes::Bytes, sync::PollSender};
-    bytes::{Bytes, BytesMut},
-    sync::PollSender,
-};
 use tracing::Instrument;
 
 use crate::{
@@ -28,6 +25,7 @@ use crate::{
         PeerId,
     },
     define_tunnel_filter_chain,
+    peers::packet::{ArchivedPacketType, CtrlPacketPayload},
     rpc::{PeerConnInfo, PeerConnStats},
     tunnels::{
         stats::{Throughput, WindowLatency},
@@ -36,7 +34,7 @@ use crate::{
     },
 };
 
-use super::packet::{self, ArchivedHandShake, Packet};
+use super::packet::{self, HandShake, Packet};
 
 pub type PacketRecvChan = mpsc::Sender<Bytes>;
 
@@ -54,7 +52,8 @@ macro_rules! wait_response {
 
         let $out_var;
         let rsp_bytes = Packet::decode(&rsp_vec);
-        match &rsp_bytes.body {
+        let resp_payload = CtrlPacketPayload::from_packet(&rsp_bytes);
+        match &resp_payload {
             $pattern => $out_var = $value,
             _ => {
                 log::error!(
@@ -68,19 +67,6 @@ macro_rules! wait_response {
     };
 }
 
-fn build_ctrl_msg(msg: Bytes, is_req: bool) -> Bytes {
-    let prefix: &'static [u8] = if is_req {
-        CTRL_REQ_PACKET_PREFIX
-    } else {
-        CTRL_RESP_PACKET_PREFIX
-    };
-    let mut new_msg = BytesMut::new();
-    new_msg.reserve(prefix.len() + msg.len());
-    new_msg.extend_from_slice(prefix);
-    new_msg.extend_from_slice(&msg);
-    new_msg.into()
-}
-
 pub struct PeerInfo {
     magic: u32,
     pub my_peer_id: PeerId,
@@ -90,15 +76,15 @@ pub struct PeerInfo {
     pub network_identity: NetworkIdentity,
 }
 
-impl<'a> From<&ArchivedHandShake> for PeerInfo {
+impl<'a> From<&HandShake> for PeerInfo {
-    fn from(hs: &ArchivedHandShake) -> Self {
+    fn from(hs: &HandShake) -> Self {
         PeerInfo {
             magic: hs.magic.into(),
             my_peer_id: hs.my_peer_id.into(),
             version: hs.version.into(),
             features: hs.features.iter().map(|x| x.to_string()).collect(),
             interfaces: Vec::new(),
-            network_identity: (&hs.network_identity).into(),
+            network_identity: hs.network_identity.clone(),
         }
     }
 }
@@ -150,10 +136,7 @@ impl PeerConnPinger {
         seq: u32,
     ) -> Result<u128, TunnelError> {
         // should add seq here. so latency can be calculated more accurately
-        let req = build_ctrl_msg(
+        let req = packet::Packet::new_ping_packet(my_node_id, peer_id, seq).into();
-            packet::Packet::new_ping_packet(my_node_id, peer_id, seq).into(),
-            true,
-        );
         tracing::trace!("send ping packet: {:?}", req);
         sink.lock().await.send(req).await.map_err(|e| {
             tracing::warn!("send ping packet error: {:?}", e);
@@ -167,9 +150,10 @@ impl PeerConnPinger {
             loop {
                 match receiver.recv().await {
                     Ok(p) => {
-                        if let packet::ArchivedPacketBody::Pong(resp_seq) = &Packet::decode(&p).body
+                        let ctrl_payload =
-                        {
+                            packet::CtrlPacketPayload::from_packet(Packet::decode(&p));
-                            if *resp_seq == seq {
+                        if let packet::CtrlPacketPayload::Pong(resp_seq) = ctrl_payload {
+                            if resp_seq == seq {
                                 break;
                             }
                         }
@@ -247,7 +231,7 @@ impl PeerConnPinger {
                 });
 
                 req_seq += 1;
-                tokio::time::sleep(Duration::from_millis(350)).await;
+                tokio::time::sleep(Duration::from_millis(1000)).await;
             }
         });
 
@@ -332,9 +316,6 @@ enum PeerConnPacketType {
     CtrlResp(Bytes),
 }
 
-static CTRL_REQ_PACKET_PREFIX: &[u8] = &[0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf0];
-static CTRL_RESP_PACKET_PREFIX: &[u8] = &[0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc, 0xde, 0xf1];
-
 impl PeerConn {
     pub fn new(my_peer_id: PeerId, global_ctx: ArcGlobalCtx, tunnel: Box<dyn Tunnel>) -> Self {
         let (ctrl_sender, _ctrl_receiver) = broadcast::channel(100);
@@ -371,7 +352,7 @@ impl PeerConn {
         let mut stream = self.tunnel.pin_stream();
         let mut sink = self.tunnel.pin_sink();
 
-        wait_response!(stream, hs_req, packet::ArchivedPacketBody::HandShake(x) => x);
+        wait_response!(stream, hs_req, CtrlPacketPayload::HandShake(x) => x);
         self.info = Some(PeerInfo::from(hs_req));
         log::info!("handshake request: {:?}", hs_req);
 
@@ -394,7 +375,7 @@ impl PeerConn {
             .run(|| packet::Packet::new_handshake(self.my_peer_id, &self.global_ctx.network));
         sink.send(hs_req.into()).await?;
 
-        wait_response!(stream, hs_rsp, packet::ArchivedPacketBody::HandShake(x) => x);
+        wait_response!(stream, hs_rsp, CtrlPacketPayload::HandShake(x) => x);
         self.info = Some(PeerInfo::from(hs_rsp));
         log::info!("handshake response: {:?}", hs_rsp);
 
@@ -405,41 +386,6 @@ impl PeerConn {
         self.info.is_some()
     }
 
-    fn get_packet_type(mut bytes_item: Bytes) -> PeerConnPacketType {
-        if bytes_item.starts_with(CTRL_REQ_PACKET_PREFIX) {
-            PeerConnPacketType::CtrlReq(bytes_item.split_off(CTRL_REQ_PACKET_PREFIX.len()))
-        } else if bytes_item.starts_with(CTRL_RESP_PACKET_PREFIX) {
-            PeerConnPacketType::CtrlResp(bytes_item.split_off(CTRL_RESP_PACKET_PREFIX.len()))
-        } else {
-            PeerConnPacketType::Data(bytes_item)
-        }
-    }
-
-    fn handle_ctrl_req_packet(
-        bytes_item: Bytes,
-        conn_info: &PeerConnInfo,
-    ) -> Result<Bytes, TunnelError> {
-        let packet = Packet::decode(&bytes_item);
-        match packet.body {
-            packet::ArchivedPacketBody::Ping(seq) => {
-                log::trace!("recv ping packet: {:?}", packet);
-                Ok(build_ctrl_msg(
-                    packet::Packet::new_pong_packet(
-                        conn_info.my_peer_id,
-                        conn_info.peer_id,
-                        seq.into(),
-                    )
-                    .into(),
-                    false,
-                ))
-            }
-            _ => {
-                log::error!("unexpected packet: {:?}", packet);
-                Err(TunnelError::CommonError("unexpected packet".to_owned()))
-            }
-        }
-    }
-
     pub fn start_pingpong(&mut self) {
         let mut pingpong = PeerConnPinger::new(
             self.my_peer_id,
@@ -487,23 +433,36 @@ impl PeerConn {
                         break;
                     }
 
-                    match Self::get_packet_type(ret.unwrap().into()) {
+                    let buf = ret.unwrap();
-                        PeerConnPacketType::Data(item) => {
+                    let p = Packet::decode(&buf);
-                            if sender.send(item).await.is_err() {
+                    match p.packet_type {
-                                break;
+                        ArchivedPacketType::Ping => {
-                            }
+                            let CtrlPacketPayload::Ping(seq) = CtrlPacketPayload::from_packet(p)
-                        }
+                            else {
-                        PeerConnPacketType::CtrlReq(item) => {
+                                log::error!("unexpected packet: {:?}", p);
-                            let ret = Self::handle_ctrl_req_packet(item, &conn_info).unwrap();
+                                continue;
-                            if let Err(e) = sink.send(ret).await {
+                            };
+
+                            let pong = packet::Packet::new_pong_packet(
+                                conn_info.my_peer_id,
+                                conn_info.peer_id,
+                                seq.into(),
+                            );
+
+                            if let Err(e) = sink.send(pong.into()).await {
                                 tracing::error!(?e, "peer conn send req error");
                             }
                         }
-                        PeerConnPacketType::CtrlResp(item) => {
+                        ArchivedPacketType::Pong => {
-                            if let Err(e) = ctrl_sender.send(item) {
+                            if let Err(e) = ctrl_sender.send(buf.into()) {
                                 tracing::error!(?e, "peer conn send ctrl resp error");
                             }
                         }
+                        _ => {
+                            if sender.send(buf.into()).await.is_err() {
+                                break;
+                            }
+                        }
                     }
                 }
 
@@ -676,7 +635,7 @@ mod tests {
         c_peer.start_recv_loop(tokio::sync::mpsc::channel(200).0);
 
         // wait 5s, conn should not be disconnected
-        tokio::time::sleep(Duration::from_secs(5)).await;
+        tokio::time::sleep(Duration::from_secs(15)).await;
 
         if conn_closed {
             assert!(close_recv.try_recv().is_ok());

easytier-core/src/peers/peer_manager.rs

@@ -15,7 +15,8 @@ use tokio_util::bytes::{Bytes, BytesMut};
 
 use crate::{
     common::{
-        error::Error, global_ctx::ArcGlobalCtx, rkyv_util::extract_bytes_from_archived_vec, PeerId,
+        error::Error, global_ctx::ArcGlobalCtx, rkyv_util::extract_bytes_from_archived_string,
+        PeerId,
     },
     peers::{
         packet, peer_conn::PeerConn, peer_rpc::PeerRpcManagerTransport, route_trait::RouteInterface,
@@ -287,8 +288,6 @@ impl PeerManager {
     }
 
     async fn init_packet_process_pipeline(&self) {
-        use packet::ArchivedPacketBody;
-
         // for tun/tap ip/eth packet.
         struct NicPacketProcessor {
             nic_channel: mpsc::Sender<SinkItem>,
@@ -300,10 +299,10 @@ impl PeerManager {
                 packet: &packet::ArchivedPacket,
                 data: &Bytes,
             ) -> Option<()> {
-                if let packet::ArchivedPacketBody::Data(x) = &packet.body {
+                if packet.packet_type == packet::PacketType::Data {
                     // TODO: use a function to get the body ref directly for zero copy
                     self.nic_channel
-                        .send(extract_bytes_from_archived_vec(&data, &x))
+                        .send(extract_bytes_from_archived_string(data, &packet.payload))
                         .await
                         .unwrap();
                     Some(())
@@ -333,7 +332,7 @@ impl PeerManager {
                 packet: &packet::ArchivedPacket,
                 data: &Bytes,
             ) -> Option<()> {
-                if let ArchivedPacketBody::TaRpc(..) = &packet.body {
+                if packet.packet_type == packet::PacketType::TaRpc {
                     self.peer_rpc_tspt_sender.send(data.clone()).unwrap();
                     Some(())
                 } else {

easytier-core/src/peers/peer_rip_route.rs

@@ -6,7 +6,6 @@ use std::{
 
 use async_trait::async_trait;
 use dashmap::DashMap;
-use rkyv::{Archive, Deserialize, Serialize};
 use tokio::{
     sync::{Mutex, RwLock},
     task::JoinSet,
@@ -15,21 +14,15 @@ use tokio_util::bytes::Bytes;
 use tracing::Instrument;
 
 use crate::{
-    common::{
+    common::{error::Error, global_ctx::ArcGlobalCtx, stun::StunInfoCollectorTrait, PeerId},
-        error::Error,
-        global_ctx::ArcGlobalCtx,
-        rkyv_util::{decode_from_bytes, encode_to_bytes, extract_bytes_from_archived_vec},
-        stun::StunInfoCollectorTrait,
-        PeerId,
-    },
     peers::{
-        packet::{self},
+        packet,
         route_trait::{Route, RouteInterfaceBox},
     },
     rpc::{NatType, StunInfo},
 };
 
-use super::{packet::ArchivedPacketBody, peer_manager::PeerPacketFilter};
+use super::{packet::CtrlPacketPayload, peer_manager::PeerPacketFilter};
 
 const SEND_ROUTE_PERIOD_SEC: u64 = 60;
 const SEND_ROUTE_FAST_REPLY_SEC: u64 = 5;
@@ -37,10 +30,8 @@ const ROUTE_EXPIRED_SEC: u64 = 70;
 
 type Version = u32;
 
-#[derive(Archive, Deserialize, Serialize, Clone, Debug, PartialEq)]
+#[derive(serde::Deserialize, serde::Serialize, Clone, Debug, PartialEq)]
-#[archive(compare(PartialEq), check_bytes)]
 // Derives can be passed through to the generated type:
-#[archive_attr(derive(Debug))]
 pub struct SyncPeerInfo {
     // means next hop in route table.
     pub peer_id: PeerId,
@@ -82,10 +73,7 @@ impl SyncPeerInfo {
     }
 }
 
-#[derive(Archive, Deserialize, Serialize, Clone, Debug)]
+#[derive(serde::Deserialize, serde::Serialize, Clone, Debug)]
-#[archive(compare(PartialEq), check_bytes)]
-// Derives can be passed through to the generated type:
-#[archive_attr(derive(Debug))]
 pub struct SyncPeer {
     pub myself: SyncPeerInfo,
     pub neighbors: Vec<SyncPeerInfo>,
@@ -341,7 +329,7 @@ impl BasicRoute {
         );
         // TODO: this may exceed the MTU of the tunnel
         interface
-            .send_route_packet(encode_to_bytes::<_, 4096>(&msg), 1, peer_id)
+            .send_route_packet(postcard::to_allocvec(&msg).unwrap().into(), 1, peer_id)
             .await
     }
 
@@ -380,7 +368,7 @@ impl BasicRoute {
                             continue;
                         }
 
-                        tracing::info!(
+                        tracing::trace!(
                             my_id = ?my_peer_id,
                             dst_peer_id = ?peer,
                             version = version.get(),
@@ -504,8 +492,8 @@ impl BasicRoute {
 
     #[tracing::instrument(skip(self, packet), fields(my_id = ?self.my_peer_id, ctx = ?self.global_ctx))]
     async fn handle_route_packet(&self, src_peer_id: PeerId, packet: Bytes) {
-        let packet = decode_from_bytes::<SyncPeer>(&packet).unwrap();
+        let packet = postcard::from_bytes::<SyncPeer>(&packet).unwrap();
-        let p: SyncPeer = packet.deserialize(&mut rkyv::Infallible).unwrap();
+        let p = &packet;
         let mut updated = true;
         assert_eq!(packet.myself.peer_id, src_peer_id);
         self.sync_peer_from_remote
@@ -639,12 +627,18 @@ impl PeerPacketFilter for BasicRoute {
     async fn try_process_packet_from_peer(
         &self,
         packet: &packet::ArchivedPacket,
-        data: &Bytes,
+        _data: &Bytes,
     ) -> Option<()> {
-        if let ArchivedPacketBody::RoutePacket(route_packet) = &packet.body {
+        if packet.packet_type == packet::PacketType::RoutePacket {
+            let CtrlPacketPayload::RoutePacket(route_packet) =
+                CtrlPacketPayload::from_packet(packet)
+            else {
+                return None;
+            };
+
             self.handle_route_packet(
                 packet.from_peer.into(),
-                extract_bytes_from_archived_vec(&data, &route_packet.body),
+                route_packet.body.into_boxed_slice().into(),
             )
             .await;
             Some(())

easytier-core/src/peers/peer_rpc.rs

@@ -16,7 +16,7 @@ use crate::{
     peers::packet::Packet,
 };
 
-use super::packet::PacketBody;
+use super::packet::CtrlPacketPayload;
 
 type PeerRpcServiceId = u32;
 
@@ -206,8 +206,9 @@ impl PeerRpcManager {
     }
 
     fn parse_rpc_packet(packet: &Packet) -> Result<TaRpcPacketInfo, Error> {
-        match &packet.body {
+        let ctrl_packet_payload = CtrlPacketPayload::from_packet2(&packet);
-            PacketBody::TaRpc(id, is_req, body) => Ok(TaRpcPacketInfo {
+        match &ctrl_packet_payload {
+            CtrlPacketPayload::TaRpc(id, is_req, body) => Ok(TaRpcPacketInfo {
                 from_peer: packet.from_peer.into(),
                 to_peer: packet.to_peer.into(),
                 service_id: *id,

easytier-core/src/tunnels/udp_tunnel.rs

@@ -13,7 +13,7 @@ use tokio_util::{
 use tracing::Instrument;
 
 use crate::{
-    common::rkyv_util::{self, encode_to_bytes},
+    common::rkyv_util::{self, encode_to_bytes, vec_to_string},
     rpc::TunnelInfo,
     tunnels::{build_url_from_socket_addr, close_tunnel, TunnelConnCounter, TunnelConnector},
 };
@@ -30,12 +30,11 @@ pub const UDP_DATA_MTU: usize = 2500;
 #[derive(Archive, Deserialize, Serialize, Debug)]
 #[archive(compare(PartialEq), check_bytes)]
 // Derives can be passed through to the generated type:
-#[archive_attr(derive(Debug))]
 pub enum UdpPacketPayload {
     Syn,
     Sack,
-    HolePunch(Vec<u8>),
+    HolePunch(String),
-    Data(Vec<u8>),
+    Data(String),
 }
 
 #[derive(Archive, Deserialize, Serialize, Debug)]
@@ -46,18 +45,32 @@ pub struct UdpPacket {
     pub payload: UdpPacketPayload,
 }
 
+impl std::fmt::Debug for ArchivedUdpPacketPayload {
+    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+        let mut tmp = f.debug_struct("ArchivedUdpPacketPayload");
+        match self {
+            ArchivedUdpPacketPayload::Syn => tmp.field("Syn", &"").finish(),
+            ArchivedUdpPacketPayload::Sack => tmp.field("Sack", &"").finish(),
+            ArchivedUdpPacketPayload::HolePunch(s) => {
+                tmp.field("HolePunch", &s.as_bytes()).finish()
+            }
+            ArchivedUdpPacketPayload::Data(s) => tmp.field("Data", &s.as_bytes()).finish(),
+        }
+    }
+}
+
 impl UdpPacket {
     pub fn new_data_packet(conn_id: u32, data: Vec<u8>) -> Self {
         Self {
             conn_id,
-            payload: UdpPacketPayload::Data(data),
+            payload: UdpPacketPayload::Data(vec_to_string(data)),
         }
     }
 
     pub fn new_hole_punch_packet(data: Vec<u8>) -> Self {
         Self {
             conn_id: 0,
-            payload: UdpPacketPayload::HolePunch(data),
+            payload: UdpPacketPayload::HolePunch(vec_to_string(data)),
         }
     }
 
@@ -77,7 +90,7 @@ impl UdpPacket {
 }
 
 fn try_get_data_payload(mut buf: BytesMut, conn_id: u32) -> Option<BytesMut> {
-    let Ok(udp_packet) = rkyv_util::decode_from_bytes_checked::<UdpPacket>(&buf) else {
+    let Ok(udp_packet) = rkyv_util::decode_from_bytes::<UdpPacket>(&buf) else {
         tracing::warn!(?buf, "udp decode error");
         return None;
     };
@@ -92,9 +105,13 @@ fn try_get_data_payload(mut buf: BytesMut, conn_id: u32) -> Option<BytesMut> {
         return None;
     };
 
-    let ptr_range = payload.as_ptr_range();
+    let offset = payload.as_ptr() as usize - buf.as_ptr() as usize;
-    let offset = ptr_range.start as usize - buf.as_ptr() as usize;
+    let len = payload.len();
-    let len = ptr_range.end as usize - ptr_range.start as usize;
+    if offset + len > buf.len() {
+        tracing::warn!(?offset, ?len, ?buf, "udp payload data out of range");
+        return None;
+    }
+
     buf.advance(offset);
     buf.truncate(len);
     tracing::trace!(?offset, ?len, ?buf, "udp payload data");
@@ -138,8 +155,8 @@ fn get_tunnel_from_socket(
 
         // TODO: two copy here, how to avoid?
         let udp_packet = UdpPacket::new_data_packet(conn_id, v.to_vec());
-        tracing::trace!(?udp_packet, ?v, "udp send packet");
         let v = encode_to_bytes::<_, UDP_DATA_MTU>(&udp_packet);
+        tracing::trace!(?udp_packet, ?v, "udp send packet");
 
         Ok((v, sender_addr))
     }));
@@ -301,8 +318,7 @@ impl TunnelListener for UdpTunnelListener {
                         _size
                     );
 
-                    let Ok(udp_packet) = rkyv_util::decode_from_bytes_checked::<UdpPacket>(&buf)
+                    let Ok(udp_packet) = rkyv_util::decode_from_bytes::<UdpPacket>(&buf) else {
-                    else {
                         tracing::warn!(?buf, "udp decode error in forward task");
                         continue;
                     };
@@ -429,7 +445,7 @@ impl UdpTunnelConnector {
 
         let _ = buf.split_off(usize);
 
-        let Ok(udp_packet) = rkyv_util::decode_from_bytes_checked::<UdpPacket>(&buf) else {
+        let Ok(udp_packet) = rkyv_util::decode_from_bytes::<UdpPacket>(&buf) else {
             tracing::warn!(?buf, "udp decode error in wait sack");
             return Err(super::TunnelError::ConnectError(format!(
                 "udp connect error, decode error. buf: {:?}",
@@ -677,4 +693,12 @@ mod tests {
 
         let _ = tokio::join!(sender1, sender2);
     }
+
+    #[tokio::test]
+    async fn udp_packet_print() {
+        let udp_packet = UdpPacket::new_data_packet(1, vec![1, 2, 3, 4, 5]);
+        let b = encode_to_bytes::<_, UDP_DATA_MTU>(&udp_packet);
+        let a_udp_packet = rkyv_util::decode_from_bytes::<UdpPacket>(&b).unwrap();
+        println!("{:?}, {:?}", udp_packet, a_udp_packet);
+    }
 }