clone ofp10 into ofp13 and setup ofp13

src/openflow/mod.rs

-pub mod ofp10;
+pub mod ofp10;
\ No newline at end of file
+
+pub mod ofp13;
\ No newline at end of file

src/openflow/ofp13/controller_frame.rs

+use crate::openflow::ofp13::{self, ErrorEvent, Msg, PacketInEvent};
+use std::{
+    io::{Read, Write},
+    net::TcpStream,
+};
+
+use super::{
+    events::{echo_reply::EchoReplyEvent, EchoRequestEvent},
+    tcp_listener_handler, MessageMarshal, OfpMsgEvent, Openflow13, OpenflowHeader,
+};
+
+pub trait ControllerFrame13
+where
+    Self: 'static,
+{
+    fn ofp(&self) -> Openflow13 {
+        Openflow13::new()
+    }
+    fn packet_in_handler(&mut self, xid: u32, packetin: PacketInEvent, stream: &mut TcpStream);
+    fn new() -> Self;
+
+    fn listener(&self, address: &str)
+    where
+        Self: Sized,
+        Self: Send,
+        Self: Clone,
+    {
+        println!("server run at {}", address);
+        let _ = tcp_listener_handler(address, self.clone());
+    }
+
+    fn handle_header(&mut self, buf: &mut Vec<u8>) -> Option<(u8, usize, u32)> {
+        let ofp_header = self.ofp().header_parse(&buf);
+        match ofp_header {
+            Ok(header) => Some((header.message(), header.pkt_size(), header.xid())),
+            Err(_) => None,
+        }
+    }
+
+    fn request_handler(&mut self, buf: &mut Vec<u8>, stream: &mut TcpStream) {
+        let ofp = self.ofp();
+        let (message, pkt_size, xid) = match self.handle_header(buf) {
+            Some(header) => header,
+            None => return,
+        };
+        let mut payload = vec![0u8; pkt_size];
+        let _ = stream.read(&mut payload);
+        let message = ofp.msg_parse(message as u8);
+        match message {
+            Msg::Hello => self.hello_handler(xid, stream),
+            Msg::Error => match ErrorEvent::parse(&payload) {
+                Ok(error) => self.error_handler(error),
+                Err(_) => (),
+            },
+            Msg::EchoRequest => {
+                self.echo_request_handler(xid, EchoRequestEvent::new(payload), stream)
+            }
+            Msg::PacketIn => match PacketInEvent::parse(&payload) {
+                Ok(pkt_in) => self.packet_in_handler(xid, pkt_in, stream),
+                Err(_) => (),
+            },
+            _ => (),
+        }
+    }
+
+    fn send_msg<MSM: MessageMarshal>(&self, msg: MSM, xid: u32, stream: &mut TcpStream) {
+        let ofp = self.ofp();
+        let mut header_bytes: Vec<u8> = Vec::new();
+        let mut body_bytes: Vec<u8> = Vec::new();
+
+        msg.marshal(&mut body_bytes);
+        let ofp_header = ofp.header(msg.msg_usize() as u8, body_bytes.len() as u16, xid);
+        ofp_header.marshal(&mut header_bytes);
+        header_bytes.append(&mut body_bytes);
+        let _ = stream.write_all(&header_bytes);
+    }
+
+    /**
+     * for handle message
+     */
+    fn hello_handler(&self, xid: u32, stream: &mut TcpStream) {
+        self.send_msg(self.ofp().fetures_req(), xid, stream);
+    }
+    fn error_handler(&self, error: ErrorEvent) {
+        println!("Error {:?}", error.error_type);
+    }
+    fn echo_request_handler(&self, xid: u32, echo: EchoRequestEvent, stream: &mut TcpStream) {
+        self.send_msg(EchoReplyEvent::new(echo.payload), xid, stream);
+    }
+}

src/openflow/ofp13/events/actions.rs

+use std::{
+    io::{BufRead, Cursor, Error},
+    mem::size_of,
+};
+
+use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
+
+use crate::{
+    etherparser::tools::bits::{bytes_to_mac, mac_to_bytes},
+    openflow::ofp13::PseudoPort,
+};
+
+pub enum ActionType {
+    Output = 0,
+    SetVlanId = 1,
+    SetVlanPCP = 2,
+    StripVlan = 3,
+    SetSrcMac = 4,
+    SetDstMac = 5,
+    SetIPv4Src = 6,
+    SetIPv4Des = 7,
+    SetTos = 8,
+    SetTpSrc = 9,
+    SetTpDst = 10,
+    Enqueue = 11,
+}
+
+#[derive(Clone)]
+pub enum Action {
+    Oputput(PseudoPort),
+    SetDlVlan(Option<u16>),
+    SetDlVlanPcp(u8),
+    SetDlSrc(u64),
+    SetDlDest(u64),
+    SetIpSrc(u32),
+    SetIpDes(u32),
+    SetTos(u8),
+    SetTpSrc(u16),
+    SetTpDest(u16),
+    Enqueue(PseudoPort, u32),
+    Unparsable,
+}
+
+impl Action {
+    pub fn to_action_code(&self) -> ActionType {
+        match self {
+            Action::Oputput(_) => ActionType::Output,
+            Action::SetDlVlan(_) => ActionType::SetVlanId,
+            Action::SetDlVlanPcp(_) => ActionType::SetVlanPCP,
+            Action::SetDlSrc(_) => ActionType::SetSrcMac,
+            Action::SetDlDest(_) => ActionType::SetDstMac,
+            Action::SetIpSrc(_) => ActionType::SetIPv4Src,
+            Action::SetIpDes(_) => ActionType::SetIPv4Des,
+            Action::SetTos(_) => ActionType::SetTos,
+            Action::SetTpSrc(_) => ActionType::SetTpSrc,
+            Action::SetTpDest(_) => ActionType::SetTpDst,
+            Action::Enqueue(_, _) => ActionType::Enqueue,
+            Action::Unparsable => panic!("Unparse Action to ActionType"),
+        }
+    }
+    pub fn length(&self) -> usize {
+        let header = size_of::<(u16, u16)>();
+        let body = match self {
+            Action::Oputput(_) => size_of::<(u16, u16)>(),
+            Action::SetDlVlan(_) => size_of::<(u16, u16)>(),
+            Action::SetDlVlanPcp(_) => size_of::<(u8, [u8; 3])>(),
+            Action::SetDlSrc(_) => size_of::<([u8; 6], [u8; 6])>(),
+            Action::SetDlDest(_) => size_of::<([u8; 6], [u8; 6])>(),
+            Action::SetIpSrc(_) => size_of::<u32>(),
+            Action::SetIpDes(_) => size_of::<u32>(),
+            Action::SetTos(_) => size_of::<(u8, [u8; 3])>(),
+            Action::SetTpSrc(_) => size_of::<(u16, u16)>(),
+            Action::SetTpDest(_) => size_of::<(u16, u16)>(),
+            Action::Enqueue(_, _) => size_of::<(u16, [u8; 6], u32)>(),
+            Action::Unparsable => 0,
+        };
+        header + body
+    }
+
+    pub fn marshal(&self, bytes: &mut Vec<u8>) {
+        let _ = bytes.write_u16::<BigEndian>(self.to_action_code() as u16);
+        let _ = bytes.write_u16::<BigEndian>(self.length() as u16);
+        match self {
+            Action::Oputput(pseudo) => {
+                pseudo.marshal(bytes);
+                let _ = bytes.write_u16::<BigEndian>(match pseudo {
+                    PseudoPort::Controller(w) => *w as u16,
+                    _ => 0,
+                });
+            }
+            Action::SetDlVlan(None) => {
+                let _ = bytes.write_u32::<BigEndian>(0xffff);
+            }
+            Action::SetDlVlan(Some(vid)) => {
+                let _ = bytes.write_u16::<BigEndian>(*vid);
+                let _ = bytes.write_u16::<BigEndian>(0);
+            }
+            Action::SetDlVlanPcp(pcp) => {
+                let _ = bytes.write_u8(*pcp);
+                for _ in 0..3 {
+                    let _ = bytes.write_u8(0);
+                }
+            }
+            Action::SetDlSrc(mac) | Action::SetDlDest(mac) => {
+                let mac = bytes_to_mac(*mac);
+                for m in mac {
+                    let _ = bytes.write_u8(m);
+                }
+                for _ in 0..6 {
+                    let _ = bytes.write_u8(0);
+                }
+            }
+            Action::SetIpSrc(address) | Action::SetIpDes(address) => {
+                let _ = bytes.write_u32::<BigEndian>(*address);
+            }
+            Action::SetTos(n) => {
+                let _ = bytes.write_u8(*n);
+            }
+            Action::SetTpSrc(pt) | Action::SetTpDest(pt) => {
+                let _ = bytes.write_u16::<BigEndian>(*pt);
+                let _ = bytes.write_u16::<BigEndian>(0);
+            }
+            Action::Enqueue(pp, qid) => {
+                pp.marshal(bytes);
+                for _ in 0..6 {
+                    let _ = bytes.write_u8(0);
+                }
+                let _ = bytes.write_u32::<BigEndian>(*qid);
+            }
+            Action::Unparsable => (),
+        }
+    }
+    pub fn parse_sequence(bytes: &mut Cursor<Vec<u8>>) -> Vec<Action> {
+        if bytes.get_ref().is_empty() {
+            vec![]
+        } else {
+            if let Ok(action) = Action::parse(bytes) {
+                let mut v = vec![action];
+                v.append(&mut Action::parse_sequence(bytes));
+                v
+            } else {
+                vec![]
+            }
+        }
+    }
+
+    pub fn parse(bytes: &mut Cursor<Vec<u8>>) -> Result<Action, Error> {
+        let action_code = bytes.read_u16::<BigEndian>()?;
+        let _ = bytes.read_u16::<BigEndian>()?;
+        match action_code {
+            t if t == (ActionType::Output as u16) => {
+                let port_code = bytes.read_u16::<BigEndian>()?;
+                let len = bytes.read_u16::<BigEndian>()?;
+                Ok(Action::Oputput(PseudoPort::new(
+                    port_code,
+                    Some(len as u64),
+                )))
+            }
+            t if t == (ActionType::SetVlanId as u16) => {
+                let vid = bytes.read_u16::<BigEndian>()?;
+                bytes.consume(2);
+                if vid == 0xffff {
+                    Ok(Action::SetDlVlan(None))
+                } else {
+                    Ok(Action::SetDlVlan(Some(vid)))
+                }
+            }
+            t if t == (ActionType::SetVlanPCP as u16) => {
+                let pcp = bytes.read_u8()?;
+                bytes.consume(3);
+                Ok(Action::SetDlVlanPcp(pcp))
+            }
+            t if t == (ActionType::StripVlan as u16) => {
+                bytes.consume(4);
+                Ok(Action::SetDlVlan(None))
+            }
+            t if t == (ActionType::SetSrcMac as u16) => {
+                let mut addr = [0u8; 6];
+                for i in 0..6 {
+                    addr[i] = bytes.read_u8()?;
+                }
+                bytes.consume(6);
+                Ok(Action::SetDlSrc(mac_to_bytes(addr)))
+            }
+            t if t == (ActionType::SetDstMac as u16) => {
+                let mut addr = [0u8; 6];
+                for i in 0..6 {
+                    addr[i] = bytes.read_u8()?;
+                }
+                bytes.consume(6);
+                Ok(Action::SetDlDest(mac_to_bytes(addr)))
+            }
+            t if t == (ActionType::SetIPv4Src as u16) => {
+                Ok(Action::SetIpSrc(bytes.read_u32::<BigEndian>()?))
+            }
+            t if t == (ActionType::SetIPv4Des as u16) => {
+                Ok(Action::SetIpDes(bytes.read_u32::<BigEndian>()?))
+            }
+            t if t == (ActionType::SetTos as u16) => {
+                let tos = bytes.read_u8()?;
+                bytes.consume(3);
+                Ok(Action::SetTos(tos))
+            }
+            t if t == (ActionType::SetTpSrc as u16) => {
+                let pt = bytes.read_u16::<BigEndian>()?;
+                bytes.consume(2);
+                Ok(Action::SetTpSrc(pt))
+            }
+            t if t == (ActionType::SetTpDst as u16) => {
+                let pt = bytes.read_u16::<BigEndian>()?;
+                bytes.consume(2);
+                Ok(Action::SetTpDest(pt))
+            }
+            t if t == (ActionType::Enqueue as u16) => {
+                let pt = bytes.read_u16::<BigEndian>()?;
+                bytes.consume(6);
+                let qid = bytes.read_u32::<BigEndian>()?;
+                Ok(Action::Enqueue(PseudoPort::new(pt, Some(0)), qid))
+            }
+            _ => Ok(Action::Unparsable),
+        }
+    }
+}
+
+pub trait SizeCheck {
+    fn size_of_sequence(&self) -> usize;
+    fn move_controller_last(&self) -> Vec<Action>;
+}
+
+impl SizeCheck for Vec<Action> {
+    fn size_of_sequence(&self) -> usize {
+        self.iter().fold(0, |acc, x| x.length() + acc)
+    }
+
+    fn move_controller_last(&self) -> Vec<Action> {
+        let mut not_ctrl: Vec<Action> = Vec::new();
+        let mut is_ctrl: Vec<Action> = Vec::new();
+        for act in self {
+            match act {
+                Action::Oputput(PseudoPort::Controller(_)) => {
+                    is_ctrl.push(act.clone());
+                }
+                _ => not_ctrl.push(act.clone()),
+            }
+        }
+        not_ctrl.append(&mut is_ctrl);
+        not_ctrl
+    }
+}

src/openflow/ofp13/events/echo_reply.rs

+use std::io::Write;
+
+use crate::openflow::ofp13::{self, MessageMarshal, Msg};
+
+pub struct EchoReplyEvent {
+    pub payload: Vec<u8>,
+}
+
+impl EchoReplyEvent {
+    pub fn new(payload: Vec<u8>) -> Self {
+        Self { payload }
+    }
+}
+
+impl MessageMarshal for EchoReplyEvent {
+    fn marshal(&self, bytes: &mut Vec<u8>) {
+        let _ = bytes.write_all(&self.payload);
+    }
+
+    fn msg_code(&self) -> ofp13::Msg {
+        Msg::EchoReply
+    }
+
+    fn msg_usize(&self) -> usize {
+        Msg::EchoReply as usize
+    }
+
+    fn size_of(&self) -> usize {
+        self.payload.len()
+    }
+}

src/openflow/ofp13/events/echo_request.rs

+use std::io::Write;
+
+use crate::openflow::ofp13::{self, MessageMarshal, Msg};
+
+pub struct EchoRequestEvent {
+    pub payload: Vec<u8>,
+}
+
+impl EchoRequestEvent {
+    pub fn new(payload: Vec<u8>) -> Self {
+        Self { payload }
+    }
+}
+
+impl MessageMarshal for EchoRequestEvent {
+    fn marshal(&self, bytes: &mut Vec<u8>) {
+        let _ = bytes.write_all(&self.payload);
+    }
+
+    fn msg_code(&self) -> ofp13::Msg {
+        Msg::EchoRequest
+    }
+
+    fn msg_usize(&self) -> usize {
+        Msg::EchoRequest as usize
+    }
+
+    fn size_of(&self) -> usize {
+        self.payload.len()
+    }
+}

src/openflow/ofp13/events/error/error_handler.rs

+use std::{
+    io::{BufRead, Cursor, Error},
+    mem::size_of,
+};
+
+use super::error_type::ErrorType;
+use crate::openflow::ofp10::{MessageMarshal, Msg};
+use byteorder::{BigEndian, ReadBytesExt};
+
+pub struct ErrorEvent {
+    pub error_type: ErrorType,
+    pub payload: Vec<u8>,
+}
+
+impl ErrorEvent {
+    pub fn new(error_type: ErrorType, payload: Vec<u8>) -> Self {
+        ErrorEvent {
+            error_type,
+            payload,
+        }
+    }
+    pub fn parse(buf: &Vec<u8>) -> Result<ErrorEvent, Error> {
+        let mut bytes = Cursor::new(buf);
+        let error_type = bytes.read_u16::<BigEndian>()?;
+        let error_code = bytes.read_u16::<BigEndian>()?;
+        let code = ErrorType::new(error_type, error_code);
+        let payload = bytes.fill_buf()?.to_vec();
+        Ok(ErrorEvent::new(code, payload))
+    }
+}
+
+impl MessageMarshal for ErrorEvent {
+    fn marshal(&self, _: &mut Vec<u8>) {}
+
+    fn msg_code(&self) -> crate::openflow::ofp10::Msg {
+        Msg::Error
+    }
+
+    fn msg_usize(&self) -> usize {
+        Msg::Error as usize
+    }
+
+    fn size_of(&self) -> usize {
+        size_of::<(u16, u16)>() + self.payload.len()
+    }
+}

src/openflow/ofp13/events/error/error_type.rs

+#[derive(Debug)]
+pub enum ErrorType {
+    HelloFailed(HelloFailed),
+    BadRequest(BadRequest),
+    BadAction(BadAction),
+    FlowModFailed(FlowModFailed),
+    PortModFailed(PortModFailed),
+    QueueOpFailed(QueueOpFailed),
+}
+
+impl ErrorType {
+    pub fn new(error_type: u16, error_code: u16) -> ErrorType {
+        match error_type {
+            0 => ErrorType::HelloFailed(HelloFailed::new(error_code)),
+            1 => ErrorType::BadRequest(BadRequest::new(error_code)),
+            2 => ErrorType::BadAction(BadAction::new(error_code)),
+            3 => ErrorType::FlowModFailed(FlowModFailed::new(error_code)),
+            4 => ErrorType::PortModFailed(PortModFailed::new(error_code)),
+            5 => ErrorType::QueueOpFailed(QueueOpFailed::new(error_code)),
+            _ => panic!("bad error_type in error {}", error_type),
+        }
+    }
+}
+
+#[derive(Debug)]
+pub enum HelloFailed {
+    Incompatible,
+    EPerm,
+}
+
+impl HelloFailed {
+    pub fn new(error_code: u16) -> Self {
+        match error_code {
+            0 => Self::Incompatible,
+            _ => Self::EPerm,
+        }
+    }
+}
+
+#[derive(Debug)]
+pub enum BadRequest {
+    BadVersion,
+    BadType,
+    BadStat,
+    BadVendor,
+    BadSubType,
+    EPerm,
+    BadLen,
+    BufferEmpty,
+    BufferUnkown,
+}
+
+impl BadRequest {
+    pub fn new(error_code: u16) -> Self {
+        match error_code {
+            0 => Self::BadVersion,
+            1 => Self::BadType,
+            2 => Self::BadStat,
+            3 => Self::BadVendor,
+            4 => Self::BadSubType,
+            5 => Self::EPerm,
+            6 => Self::BadLen,
+            7 => Self::BufferEmpty,
+            8 => Self::BufferUnkown,
+            _ => Self::BadVersion,
+        }
+    }
+}
+
+#[derive(Debug)]
+pub enum BadAction {
+    BadType,
+    BadLen,
+    BadVendor,
+    BadVendotType,
+    BadOutPort,
+    BadArgument,
+    EPerm,
+    TooMany,
+    BadQueue,
+}
+
+impl BadAction {
+    pub fn new(error_code: u16) -> Self {
+        match error_code {
+            0 => Self::BadType,
+            1 => Self::BadLen,
+            2 => Self::BadVendor,
+            3 => Self::BadVendotType,
+            4 => Self::BadOutPort,
+            5 => Self::BadArgument,
+            6 => Self::EPerm,
+            7 => Self::TooMany,
+            _ => Self::BadQueue,
+        }
+    }
+}
+
+#[derive(Debug)]
+pub enum FlowModFailed {
+    AllTablesFull,
+    Overlap,
+    EPerm,
+    BadEmergTimeout,
+    BadCommand,
+    Unsupported,
+}
+
+impl FlowModFailed {
+    pub fn new(error_code: u16) -> Self {
+        match error_code {
+            0 => Self::AllTablesFull,
+            1 => Self::Overlap,
+            2 => Self::EPerm,
+            3 => Self::BadEmergTimeout,
+            4 => Self::BadCommand,
+            _ => Self::Unsupported,
+        }
+    }
+}
+
+#[derive(Debug)]
+pub enum PortModFailed {
+    BadPort,
+    BadHwAddr,
+}
+
+impl PortModFailed {
+    pub fn new(error_code: u16) -> Self {
+        match error_code {
+            0 => Self::BadPort,
+            _ => Self::BadHwAddr,
+        }
+    }
+}
+
+#[derive(Debug)]
+pub enum QueueOpFailed {
+    BadPort,
+    BadQueue,
+    EPerm,
+}
+
+impl QueueOpFailed {
+    pub fn new(error_code: u16) -> Self {
+        match error_code {
+            0 => Self::BadPort,
+            1 => Self::BadQueue,
+            _ => Self::EPerm,
+        }
+    }
+}

src/openflow/ofp13/events/error/mod.rs

+pub mod error_handler;
+pub use error_handler::ErrorEvent;
+
+pub mod error_type;
\ No newline at end of file

src/openflow/ofp13/events/features_req.rs

+use crate::openflow::ofp13::{MessageMarshal, Msg};
+
+pub struct FeaturesReqEvent {}
+
+impl FeaturesReqEvent {
+    pub fn new() -> Self {
+        FeaturesReqEvent {}
+    }
+}
+
+impl MessageMarshal for FeaturesReqEvent {
+    fn marshal(&self, _: &mut Vec<u8>) {}
+
+    fn msg_code(&self) -> Msg {
+        Msg::FeaturesRequest
+    }
+
+    fn size_of(&self) -> usize {
+        0
+    }
+
+    fn msg_usize(&self) -> usize {
+        Msg::FeaturesRequest as usize
+    }
+}

src/openflow/ofp13/events/flow_mod/command.rs

+pub enum FlowModCommand {
+    Add = 0,
+    Modify = 1,
+    ModifyStrict = 2,
+    Delete = 3,
+    DeleteStrict = 4,
+    Unparsable = -1,
+}
+
+impl FlowModCommand {
+    pub fn to_number(&self) -> usize {
+        match self {
+            FlowModCommand::Add => Self::Add as usize,
+            FlowModCommand::Modify => Self::Modify as usize,
+            FlowModCommand::ModifyStrict => Self::ModifyStrict as usize,
+            FlowModCommand::Delete => Self::Delete as usize,
+            FlowModCommand::DeleteStrict => Self::DeleteStrict as usize,
+            FlowModCommand::Unparsable => Self::Unparsable as usize,
+        }
+    }
+    pub fn parse(byte: u16) -> Self {
+        match byte {
+            0 => Self::Add,
+            1 => Self::Modify,
+            2 => Self::ModifyStrict,
+            3 => Self::Delete,
+            4 => Self::DeleteStrict,
+            _ => Self::Unparsable,
+        }
+    }
+}

src/openflow/ofp13/events/flow_mod/flow_mod_flags.rs

+use byteorder::{BigEndian, WriteBytesExt};
+
+pub struct FlowModFlags {
+    pub send_flow_rem: bool,
+    pub check_overlap: bool,
+    pub emerg: bool,
+}
+
+impl FlowModFlags {
+    pub fn new(send_flow_rem: bool, check_overlap: bool, emerg: bool) -> Self {
+        Self {
+            send_flow_rem,
+            check_overlap,
+            emerg,
+        }
+    }
+    pub fn all_false() -> Self {
+        Self {
+            check_overlap: false,
+            emerg: false,
+            send_flow_rem: false,
+        }
+    }
+    pub fn parse(byte: u16) -> Self {
+        let send_flow_rem = byte >> 0 & 1 != 0;
+        let check_overlap = byte >> 1 & 1 != 0;
+        let emerg = byte >> 2 & 1 != 0;
+        Self {
+            send_flow_rem,
+            check_overlap,
+            emerg,
+        }
+    }
+    pub fn marshal(&self, bytes: &mut Vec<u8>) {
+        let mut value = 0u16;
+        if self.send_flow_rem {
+            value |= 1 << 0;
+        }
+        if self.check_overlap {
+            value |= 1 << 1;
+        }
+        if self.emerg {
+            value |= 1 << 2;
+        }
+        let _ = bytes.write_u16::<BigEndian>(value);
+    }
+}

src/openflow/ofp13/events/flow_mod/flow_mod_handler.rs

+use std::io::{Cursor, Error};
+
+use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
+
+use crate::openflow::ofp13::{
+    events::{actions::SizeCheck, Action},
+    ofp_port::OfpPort,
+    MessageMarshal, Msg, PseudoPort,
+};
+
+use super::{FlowModCommand, FlowModFlags, MatchFields};
+
+pub enum Timeout {
+    Permanent,
+    ExpireAfter(u16),
+}
+impl Timeout {
+    pub fn parse(tm: u16) -> Self {
+        match tm {
+            0 => Self::Permanent,
+            d => Timeout::ExpireAfter(d),
+        }
+    }
+    pub fn to_int(&self) -> u16 {
+        match self {
+            Timeout::Permanent => 0,
+            Timeout::ExpireAfter(d) => *d,
+        }
+    }
+}
+
+pub struct FlowModEvent {
+    command: FlowModCommand,
+    match_fields: MatchFields,
+    priority: u16,
+    actions: Vec<Action>,
+    cookie: u64,
+    idle_timeout: Timeout,
+    hard_timeout: Timeout,
+    flags: FlowModFlags,
+    buffer_id: Option<u32>,
+    out_port: Option<PseudoPort>,
+}
+
+impl FlowModEvent {
+    pub fn add_flow(
+        priority: u16,
+        match_fileds: MatchFields,
+        actions: Vec<Action>,
+        buffer_id: Option<u32>,
+    ) -> Self {
+        Self {
+            command: FlowModCommand::Add,
+            match_fields: match_fileds,
+            priority,
+            actions,
+            cookie: 0,
+            idle_timeout: Timeout::Permanent,
+            hard_timeout: Timeout::Permanent,
+            flags: FlowModFlags::all_false(),
+            buffer_id,
+            out_port: None,
+        }
+    }
+
+    pub fn parse(buf: &[u8]) -> Result<FlowModEvent, Error> {
+        let mut bytes = Cursor::new(buf.to_vec());
+        let match_fields = MatchFields::parse(&mut bytes)?;
+        let cookie = bytes.read_u64::<BigEndian>()?;
+        let command = FlowModCommand::parse(bytes.read_u16::<BigEndian>()?);
+        let idle_timeout = Timeout::parse(bytes.read_u16::<BigEndian>()?);
+        let hard_timeout = Timeout::parse(bytes.read_u16::<BigEndian>()?);
+        let priority = bytes.read_u16::<BigEndian>()?;
+        let buffer_id = bytes.read_i32::<BigEndian>()?;
+        let out_port = PseudoPort::parse(bytes.read_u16::<BigEndian>()?);
+        let flags = bytes.read_u16::<BigEndian>()?;
+        let actions = Action::parse_sequence(&mut bytes);
+        Ok(FlowModEvent {
+            command,
+            match_fields,
+            cookie,
+            actions,
+            priority,
+            idle_timeout,
+            hard_timeout,
+            flags: FlowModFlags::parse(flags),
+            buffer_id: {
+                match buffer_id {
+                    -1 => None,
+                    n => Some(n as u32),
+                }
+            },
+            out_port,
+        })
+    }
+}
+
+impl MessageMarshal for FlowModEvent {
+    fn msg_usize(&self) -> usize {
+        Msg::FlowMod as usize
+    }
+    fn size_of(&self) -> usize {
+        24
+    }
+    fn msg_code(&self) -> Msg {
+        Msg::FlowMod
+    }
+    fn marshal(&self, bytes: &mut Vec<u8>) {
+        self.match_fields.marshal(bytes);
+        let _ = bytes.write_u64::<BigEndian>(self.cookie);
+        let _ = bytes.write_u16::<BigEndian>(self.command.to_number() as u16);
+        let _ = bytes.write_u16::<BigEndian>(self.idle_timeout.to_int());
+        let _ = bytes.write_u16::<BigEndian>(self.hard_timeout.to_int());
+        let _ = bytes.write_u16::<BigEndian>(self.priority);
+        let _ = bytes.write_i32::<BigEndian>(match self.buffer_id {
+            None => -1,
+            Some(buf_id) => buf_id as i32,
+        });
+        match self.out_port.as_ref() {
+            Some(p) => p.marshal(bytes),
+            None => {
+                let _ = bytes.write_u16::<BigEndian>(OfpPort::None as u16);
+            }
+        }
+        self.flags.marshal(bytes);
+        for act in self.actions.move_controller_last() {
+            match act {
+                Action::Oputput(PseudoPort::Table) => {
+                    panic!("Openflow table not allowed")
+                }
+                _ => (),
+            }
+            act.marshal(bytes);
+        }
+    }
+}

src/openflow/ofp13/events/flow_mod/match_fields.rs

+use std::io::{BufRead, Cursor, Error};
+
+use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
+
+use crate::etherparser::tools::bits::{bit_bool, bytes_to_mac, mac_to_bytes, set_bit};
+
+pub struct Mask<T> {
+    pub ip: T,
+    pub mask: Option<T>,
+}
+
+impl Mask<u32> {
+    pub fn to_int(&self) -> u32 {
+        match self.mask {
+            Some(v) => v,
+            None => 0,
+        }
+    }
+}
+
+struct Wildcards {
+    pub in_port: bool,
+    pub mac_dest: bool,
+    pub mac_src: bool,
+    pub ethernet_type: bool,
+
+    pub vlan_vid: bool,
+    pub vlan_pcp: bool,
+
+    pub ip_src: u32,
+    pub ip_dest: u32,
+    pub protocol: bool,
+    pub tos: bool,
+    pub transport_src: bool,
+    pub transport_dest: bool,
+}
+
+impl Wildcards {
+    pub fn from_match_fields(match_fields: &MatchFields) -> Wildcards {
+        Wildcards {
+            in_port: match_fields.in_port.is_none(),
+            vlan_vid: match_fields.vlan_vid.is_none(),
+            mac_src: match_fields.mac_src.is_none(),
+            mac_dest: match_fields.mac_dest.is_none(),
+            ethernet_type: match_fields.ethernet_type.is_none(),
+            protocol: match_fields.protocol.is_none(),
+            transport_src: match_fields.transport_src.is_none(),
+            transport_dest: match_fields.transport_dest.is_none(),
+            ip_src: Wildcards::mask_bits(&match_fields.ip_src),
+            ip_dest: Wildcards::mask_bits(&match_fields.ip_dest),
+            vlan_pcp: match_fields.vlan_pcp.is_none(),
+            tos: match_fields.tos.is_none(),
+        }
+    }
+    pub fn parse(byte: u32) -> Wildcards {
+        Wildcards {
+            in_port: bit_bool(0, byte),
+            vlan_vid: bit_bool(1, byte),
+            mac_src: bit_bool(2, byte),
+            mac_dest: bit_bool(3, byte),
+            ethernet_type: bit_bool(4, byte),
+            protocol: bit_bool(5, byte),
+            transport_src: bit_bool(6, byte),
+            transport_dest: bit_bool(7, byte),
+            ip_src: Wildcards::get_nw_mask(byte, 8),
+            ip_dest: Wildcards::get_nw_mask(byte, 14),
+            vlan_pcp: bit_bool(20, byte),
+            tos: bit_bool(21, byte),
+        }
+    }
+    pub fn marshal(&self, bytes: &mut Vec<u8>) {
+        let mut match_field = 0u32;
+        match_field = set_bit(match_field, 0, self.in_port);
+        match_field = set_bit(match_field, 1, self.vlan_vid);
+        match_field = set_bit(match_field, 2, self.mac_src);
+        match_field = set_bit(match_field, 3, self.mac_dest);
+        match_field = set_bit(match_field, 4, self.ethernet_type);
+        match_field = set_bit(match_field, 5, self.protocol);
+        match_field = set_bit(match_field, 6, self.transport_src);
+        match_field = set_bit(match_field, 7, self.transport_dest);
+        match_field = Wildcards::set_nw_mask(match_field, 8, self.ip_src);
+        match_field = Wildcards::set_nw_mask(match_field, 14, self.ip_dest);
+        match_field = set_bit(match_field, 20, self.vlan_pcp);
+        match_field = set_bit(match_field, 21, self.tos);
+        let _ = bytes.write_u32::<BigEndian>(match_field);
+    }
+    pub fn get_nw_mask(f: u32, offset: usize) -> u32 {
+        (f >> offset) & 0x3f
+    }
+    pub fn set_nw_mask(byte: u32, offset: usize, set: u32) -> u32 {
+        let value = (0x3f & set) << offset;
+        byte | value
+    }
+    pub fn mask_bits(mask: &Option<Mask<u32>>) -> u32 {
+        match mask {
+            None => 32,
+            Some(m) => match m.mask {
+                None => 0,
+                Some(m) => m,
+            },
+        }
+    }
+}
+
+pub struct MatchFields {
+    pub in_port: Option<u16>,
+    pub mac_dest: Option<u64>,
+    pub mac_src: Option<u64>,
+    pub ethernet_type: Option<u16>,
+
+    pub vlan_vid: Option<u16>, // vlan type
+    pub vlan_pcp: Option<u8>,
+
+    pub ip_src: Option<Mask<u32>>,
+    pub ip_dest: Option<Mask<u32>>,
+    pub protocol: Option<u8>,
+    pub tos: Option<u8>,
+    pub transport_src: Option<u16>,
+    pub transport_dest: Option<u16>,
+}
+
+impl MatchFields {
+    pub fn match_all() -> Self {
+        Self {
+            ethernet_type: None,
+            in_port: None,
+            ip_dest: None,
+            ip_src: None,
+            mac_dest: None,
+            mac_src: None,
+            protocol: None,
+            tos: None,
+            transport_dest: None,
+            transport_src: None,
+            vlan_pcp: None,
+            vlan_vid: None,
+        }
+    }
+    pub fn marshal(&self, bytes: &mut Vec<u8>) {
+        let wildcard = Wildcards::from_match_fields(self);
+        wildcard.marshal(bytes);
+        let _ = bytes.write_u16::<BigEndian>(match self.in_port {
+            Some(p) => p,
+            None => 0,
+        });
+        let mac_src = match self.mac_src {
+            Some(mac) => bytes_to_mac(mac),
+            None => bytes_to_mac(0),
+        };
+        for m in mac_src {
+            let _ = bytes.write_u8(m);
+        }
+        let mac_dest = match self.mac_dest {
+            Some(mac) => bytes_to_mac(mac),
+            None => bytes_to_mac(0),
+        };
+        for m in mac_dest {
+            let _ = bytes.write_u8(m);
+        }
+        let vlan = match self.vlan_vid {
+            Some(v) => v,
+            None => 0xffff,
+        };
+        let _ = bytes.write_u16::<BigEndian>(vlan);
+        let _ = bytes.write_u8(match self.vlan_pcp {
+            Some(v) => v,
+            None => 0,
+        });
+        let _ = bytes.write_u8(0);
+        let _ = bytes.write_u16::<BigEndian>(match self.ethernet_type {
+            Some(v) => v,
+            None => 0,
+        });
+        let _ = bytes.write_u8(match self.tos {
+            Some(v) => v,
+            None => 0,
+        });
+        let _ = bytes.write_u8(match self.protocol {
+            Some(v) => v,
+            None => 0,
+        });
+        let _ = bytes.write_u16::<BigEndian>(0);
+
+        let _ = bytes.write_u32::<BigEndian>(match &self.ip_src {
+            Some(ip) => ip.ip,
+            None => 0,
+        });
+        let _ = bytes.write_u32::<BigEndian>(match &self.ip_dest {
+            Some(ip) => ip.ip,
+            None => 0,
+        });
+        let _ = bytes.write_u16::<BigEndian>(match self.transport_src {
+            Some(v) => v,
+            None => 0,
+        });
+        let _ = bytes.write_u16::<BigEndian>(match self.transport_dest {
+            Some(v) => v,
+            None => 0,
+        });
+    }
+
+    pub fn parse(bytes: &mut Cursor<Vec<u8>>) -> Result<MatchFields, Error> {
+        let wildcards = Wildcards::parse(bytes.read_u32::<BigEndian>()?);
+        let in_port = if wildcards.in_port {
+            None
+        } else {
+            Some(bytes.read_u16::<BigEndian>()?)
+        };
+        let mac_src = if wildcards.mac_src {
+            None
+        } else {
+            let mut arr: [u8; 6] = [0; 6];
+            for i in 0..6 {
+                arr[i] = bytes.read_u8()?;
+            }
+            Some(mac_to_bytes(arr))
+        };
+        let mac_dest = if wildcards.mac_dest {
+            None
+        } else {
+            let mut arr: [u8; 6] = [0; 6];
+            for i in 0..6 {
+                arr[i] = bytes.read_u8()?;
+            }
+            Some(mac_to_bytes(arr))
+        };
+        let vlan_vid = if wildcards.vlan_vid {
+            None
+        } else {
+            let vid = bytes.read_u16::<BigEndian>()?;
+            if vid == 0xfff {
+                None
+            } else {
+                Some(bytes.read_u16::<BigEndian>()?)
+            }
+        };
+        let vlan_pcp = if wildcards.vlan_pcp {
+            None
+        } else {
+            Some(bytes.read_u8()?)
+        };
+        bytes.consume(1);
+        let ethernet_type = if wildcards.ethernet_type {
+            None
+        } else {
+            Some(bytes.read_u16::<BigEndian>()?)
+        };
+        let tos = if wildcards.tos {
+            None
+        } else {
+            Some(bytes.read_u8()?)
+        };
+        let protocol = if wildcards.protocol {
+            None
+        } else {
+            Some(bytes.read_u8()?)
+        };
+        bytes.consume(2);
+        let ip_src = if wildcards.ip_src >= 32 {
+            None
+        } else if wildcards.ip_src == 0 {
+            Some(Mask {
+                ip: bytes.read_u32::<BigEndian>()?,
+                mask: None,
+            })
+        } else {
+            Some(Mask {
+                ip: bytes.read_u32::<BigEndian>()?,
+                mask: Some(wildcards.ip_src),
+            })
+        };
+        let ip_dest = if wildcards.ip_dest >= 32 {
+            None
+        } else if wildcards.ip_dest == 0 {
+            Some(Mask {
+                ip: bytes.read_u32::<BigEndian>()?,
+                mask: None,
+            })
+        } else {
+            Some(Mask {
+                ip: bytes.read_u32::<BigEndian>()?,
+                mask: Some(wildcards.ip_dest),
+            })
+        };
+        let transport_src = if wildcards.transport_src {
+            None
+        } else {
+            Some(bytes.read_u16::<BigEndian>()?)
+        };
+        let transport_dest = if wildcards.transport_dest {
+            None
+        } else {
+            Some(bytes.read_u16::<BigEndian>()?)
+        };
+        Ok(MatchFields {
+            in_port,
+            mac_src,
+            mac_dest,
+            ethernet_type,
+            vlan_vid,
+            vlan_pcp,
+            ip_src,
+            ip_dest,
+            protocol,
+            tos,
+            transport_src,
+            transport_dest,
+        })
+    }
+}

src/openflow/ofp13/events/flow_mod/mod.rs

+pub mod flow_mod_handler;
+pub use flow_mod_handler::FlowModEvent;
+
+pub mod command;
+pub use command::FlowModCommand;
+
+pub mod match_fields;
+pub use match_fields::{Mask, MatchFields};
+
+pub mod flow_mod_flags;
+pub use flow_mod_flags::FlowModFlags;
\ No newline at end of file

src/openflow/ofp13/events/hello.rs

+use crate::openflow::ofp13::{MessageMarshal, Msg};
+
+pub struct HelloEvent {}
+
+impl HelloEvent {
+    pub fn new() -> Self {
+        HelloEvent {}
+    }
+}
+
+impl MessageMarshal for HelloEvent {
+    fn marshal(&self, _: &mut Vec<u8>) {}
+
+    fn msg_code(&self) -> Msg {
+        Msg::Hello
+    }
+
+    fn size_of(&self) -> usize {
+        0
+    }
+
+    fn msg_usize(&self) -> usize {
+        Msg::Hello as usize
+    }
+}

src/openflow/ofp13/events/mod.rs

+pub mod error;
+pub use error::ErrorEvent;
+
+pub mod packet_in;
+pub use packet_in::{PacketInEvent, PacketInReason};
+
+pub mod packet_out;
+pub use packet_out::PacketOutEvent;
+
+pub mod flow_mod;
+pub use flow_mod::{FlowModCommand, FlowModEvent, FlowModFlags, MatchFields};
+
+pub mod actions;
+pub use actions::Action;
+
+pub mod hello;
+pub use hello::HelloEvent;
+
+pub mod features_req;
+pub use features_req::FeaturesReqEvent;
+
+pub mod payload;
+pub use payload::Payload;
+
+pub mod echo_request;
+pub use echo_request::EchoRequestEvent;
+
+pub mod echo_reply;
+pub use echo_reply::EchoReplyEvent;

src/openflow/ofp13/events/packet_in.rs

+use crate::etherparser::ethernet::EthernetFrame;
+
+use super::Payload;
+use byteorder::{BigEndian, ReadBytesExt};
+use std::io::{BufRead, Cursor, Error};
+
+#[derive(Debug)]
+pub enum PacketInReason {
+    NoMatch,
+    Action,
+    InvalidTTL,
+    Unknown(u8),
+}
+
+impl PacketInReason {
+    fn new(code: u8) -> Self {
+        match code {
+            0 => PacketInReason::NoMatch,
+            1 => PacketInReason::Action,
+            2 => PacketInReason::InvalidTTL,
+            t => PacketInReason::Unknown(t),
+        }
+    }
+}
+
+pub struct PacketInEvent {
+    pub buf_id: Option<u32>,
+    pub total_len: u16,
+    pub in_port: u16,
+    pub reason: PacketInReason,
+    pub table_id: u8,
+    pub payload: Payload,
+}
+
+impl PacketInEvent {
+    pub fn ether_parse(&self) -> Result<EthernetFrame, Error> {
+        match &self.payload {
+            Payload::Buffered(_, p) | Payload::NoBuffered(p) => EthernetFrame::parse(&p),
+        }
+    }
+    pub fn parse(payload: &Vec<u8>) -> Result<PacketInEvent, Error> {
+        let mut bytes = Cursor::new(payload.to_vec());
+        let buf_id = match bytes.read_i32::<BigEndian>()? {
+            -1 => None,
+            n => Some(n as u32),
+        };
+        let total_len = bytes.read_u16::<BigEndian>()?;
+        let in_port = bytes.read_u16::<BigEndian>()?;
+        let reason = PacketInReason::new(bytes.read_u8()?);
+        let table_id = bytes.read_u8()?;
+        let packet = bytes.fill_buf()?.to_vec();
+        let payload = match buf_id {
+            Some(n) => Payload::Buffered(n as u32, packet),
+            None => Payload::NoBuffered(packet),
+        };
+        Ok(PacketInEvent {
+            buf_id,
+            total_len,
+            in_port,
+            reason,
+            table_id,
+            payload,
+        })
+    }
+}

src/openflow/ofp13/events/packet_out.rs

+use std::{
+    io::{BufRead, Cursor, Error, Read},
+    mem::size_of,
+};
+
+use crate::openflow::ofp13::PseudoPort;
+use crate::openflow::ofp13::{ofp_port::OfpPort, MessageMarshal, Msg};
+use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
+
+use super::{actions::SizeCheck, Action, Payload};
+
+pub struct PacketOutEvent {
+    pub payload: Payload,
+    pub in_port: Option<u16>,
+    pub actions: Vec<Action>,
+}
+
+impl MessageMarshal for PacketOutEvent {
+    fn marshal(&self, bytes: &mut Vec<u8>) {
+        let _ = bytes.write_i32::<BigEndian>(match self.payload {
+            Payload::Buffered(n, _) => n as i32,
+            Payload::NoBuffered(_) => -1,
+        });
+        match self.in_port {
+            Some(id) => {
+                PseudoPort::PhysicalPort(id).marshal(bytes);
+            }
+            None => {
+                let _ = bytes.write_u16::<BigEndian>(OfpPort::None as u16);
+            }
+        }
+        let _ = bytes.write_u16::<BigEndian>(self.actions.size_of_sequence() as u16);
+        for act in self.actions.move_controller_last() {
+            act.marshal(bytes);
+        }
+        self.payload.marshal(bytes);
+    }
+
+    fn msg_code(&self) -> Msg {
+        Msg::PacketOut
+    }
+
+    fn msg_usize(&self) -> usize {
+        Msg::PacketOut as usize
+    }
+
+    fn size_of(&self) -> usize {
+        size_of::<(u32, u16, u16)>() + self.actions.size_of_sequence() + self.payload.length()
+    }
+}
+
+impl PacketOutEvent {
+    pub fn new(in_port: Option<u16>, payload: Payload, actions: Vec<Action>) -> Self {
+        Self {
+            in_port,
+            payload,
+            actions,
+        }
+    }
+    pub fn parse(buf: &Vec<u8>) -> Result<Self, Error> {
+        let mut bytes = Cursor::new(buf);
+        let buf_id = match bytes
+            .read_i32::<BigEndian>()
+            .expect("cannot parse buf id in packetout")
+        {
+            -1 => None,
+            n => Some(n),
+        };
+        let in_port = bytes.read_u16::<BigEndian>()?;
+        let action_len = bytes.read_u16::<BigEndian>()?;
+        let mut actions_buf = vec![0; action_len as usize];
+        let _ = bytes.read_exact(&mut actions_buf);
+        let mut action_bytes = Cursor::new(actions_buf);
+        let actions = Action::parse_sequence(&mut action_bytes);
+        Ok(Self {
+            payload: match buf_id {
+                None => Payload::NoBuffered(bytes.fill_buf()?.to_vec()),
+                Some(n) => Payload::Buffered(n as u32, bytes.fill_buf()?.to_ascii_lowercase()),
+            },
+            in_port: {
+                if in_port == OfpPort::None as u16 {
+                    None
+                } else {
+                    Some(in_port)
+                }
+            },
+            actions,
+        })
+    }
+}

src/openflow/ofp13/events/payload.rs

+use std::io::Write;
+
+pub enum Payload {
+    Buffered(u32, Vec<u8>),
+    NoBuffered(Vec<u8>),
+}
+
+impl Payload {
+    pub fn length(&self) -> usize {
+        match self {
+            Payload::Buffered(_, p) | Payload::NoBuffered(p) => p.len(),
+        }
+    }
+    pub fn marshal(&self, bytes: &mut Vec<u8>) {
+        match self {
+            Payload::Buffered(_, buf) | Payload::NoBuffered(buf) => {
+                let _ = bytes.write_all(&buf);
+            }
+        }
+    }
+}

src/openflow/ofp13/message.rs

+use std::mem::transmute;
+
+#[derive(Clone)]
+pub enum Msg {
+    Hello = 0,
+    Error = 1,
+    EchoRequest = 2,
+    EchoReply = 3,
+    Vendor = 4,
+    FeaturesRequest = 5,
+    FeaturesReply = 6,
+    ConfigRequest = 7,
+    ConfigReply = 8,
+    SetConfig = 9,
+    PacketIn = 10,
+    FlowRemove = 11,
+    PortStatus = 12,
+    PacketOut = 13,
+    FlowMod = 14,
+    PortMod = 15,
+    StatsRequest = 16,
+    StateReply = 17,
+    BarrierRequest = 18,
+    BarrierReply = 19,
+    QueueGetConfigRequest = 20,
+    QueueGetConfigReply = 21,
+    NotFound = 0xff,
+}
+
+impl Msg {
+    pub fn to_int(&self) -> u8 {
+        self.clone() as u8
+    }
+    pub fn from(msg_code: u8) -> Self {
+        if msg_code > 21 {
+            return Self::NotFound;
+        }
+        unsafe { transmute::<u8, Msg>(msg_code) }
+    }
+}

src/openflow/ofp13/mod.rs

+pub mod message;
+pub use message::Msg;
+
+pub mod ofp_port;
+pub use ofp_port::PseudoPort;
+
+pub mod events;
+pub use events::{
+    Action, EchoReplyEvent, EchoRequestEvent, ErrorEvent, FlowModEvent, HelloEvent, MatchFields,
+    PacketInEvent, PacketOutEvent,
+};
+
+pub mod ofp_header;
+pub use ofp_header::OfpHeader;
+
+pub mod ofp_manager;
+pub use ofp_manager::Openflow13;
+
+pub mod controller_frame;
+pub use controller_frame::ControllerFrame13;
+
+pub mod tcp_listener;
+pub use tcp_listener::tcp_listener_handler;
+
+pub mod traiter;
+pub use traiter::{MessageMarshal, OfpMsgEvent, OpenflowHeader};

src/openflow/ofp13/ofp_header.rs

+use byteorder::{BigEndian, ReadBytesExt, WriteBytesExt};
+use std::{
+    io::{Cursor, Error},
+    mem::size_of,
+};
+
+use crate::openflow::ofp13::OpenflowHeader;
+
+pub struct OfpHeader {
+    pub version: u8,
+    pub message: u8,
+    pub length: u16,
+    pub xid: u32,
+}
+
+impl OpenflowHeader for OfpHeader {
+    fn new(message: u8, length: usize, xid: usize) -> Self {
+        Self {
+            version: 1,
+            message,
+            length: (size_of::<OfpHeader>() + length) as u16,
+            xid: xid as u32,
+        }
+    }
+    fn version(&self) -> usize {
+        1
+    }
+    fn message(&self) -> u8 {
+        self.message
+    }
+    fn length(&self) -> usize {
+        self.length as usize
+    }
+    fn xid(&self) -> u32 {
+        self.xid
+    }
+    fn header_size(&self) -> usize {
+        size_of::<Self>()
+    }
+    fn pkt_size(&self) -> usize {
+        return self.length as usize - size_of::<Self>();
+    }
+
+    fn parse(buf: &Vec<u8>) -> Result<Self, Error> {
+        let mut buf_cursor = Cursor::new(buf);
+        let version = buf_cursor.read_u8()?;
+        let message = buf_cursor.read_u8()?;
+        let length = buf_cursor.read_u16::<BigEndian>()?;
+        let xid = buf_cursor.read_u32::<BigEndian>()?;
+        Ok(Self {
+            version,
+            message,
+            length,
+            xid,
+        })
+    }
+    fn marshal(&self, bytes: &mut Vec<u8>) {
+        let _ = bytes.write_u8(self.version);
+        let _ = bytes.write_u8(self.message);
+        let _ = bytes.write_u16::<BigEndian>(self.length);
+        let _ = bytes.write_u32::<BigEndian>(self.xid);
+    }
+}

src/openflow/ofp13/ofp_manager.rs

+use super::{
+    events::{Action, FeaturesReqEvent, Payload},
+    ofp_header::OfpHeader,
+    HelloEvent, Msg, OfpMsgEvent, OpenflowHeader, PacketOutEvent,
+};
+
+pub struct Openflow13 {}
+
+impl Openflow13 {
+    pub fn new() -> Self {
+        Openflow13 {}
+    }
+}
+
+impl OfpMsgEvent for Openflow13 {
+    fn header_parse(&self, bytes: &Vec<u8>) -> Result<OfpHeader, std::io::Error>  {
+        OfpHeader::parse(bytes)
+    }
+    fn header_size(&self) -> usize {
+        8
+    }
+    fn hello_event(&self) -> HelloEvent {
+        HelloEvent::new()
+    }
+
+    fn fetures_req(&self) -> FeaturesReqEvent {
+        FeaturesReqEvent::new()
+    }
+    fn packet_out(
+        &self,
+        port_id: Option<u16>,
+        payload: Payload,
+        actions: Vec<Action>,
+    ) -> PacketOutEvent {
+        PacketOutEvent::new(port_id, payload, actions)
+    }
+    fn ofp_version() -> usize {
+        1
+    }
+    fn version(&self) -> usize {
+        1
+    }
+
+    fn header(&self, message: u8, length: u16, xid: u32) -> OfpHeader {
+        OfpHeader::new(message, length as usize, xid as usize)
+    }
+
+    fn msg_parse(&self, msg: u8) -> Msg {
+        Msg::from(msg)
+    }
+
+    fn msg_usize(&self, msg: Msg) -> usize {
+        msg.to_int() as usize
+    }
+}

src/openflow/ofp13/ofp_port.rs

+use byteorder::{BigEndian, WriteBytesExt};
+
+pub enum OfpPort {
+    Max = 0xff00,
+    InPort = 0xfff8,
+    Table = 0xfff9,
+    Normal = 0xfffa,
+    Flood = 0xfffb,
+    All = 0xfffc,
+    Controller = 0xfffd,
+    Local = 0xfffe,
+    None = 0xffff,
+}
+
+#[derive(Clone)]
+pub enum PseudoPort {
+    PhysicalPort(u16),
+    InPort,
+    Table,
+    Normal,
+    Flood,
+    AllPorts,
+    Controller(u64),
+    Local,
+    Unsupport,
+}
+
+impl PseudoPort {
+    pub fn parse(byte: u16) -> Option<PseudoPort> {
+        if (OfpPort::None as u16) == byte {
+            None
+        } else {
+            Some(PseudoPort::new(byte, Some(0)))
+        }
+    }
+    pub fn new(port: u16, len: Option<u64>) -> PseudoPort {
+        match port {
+            p if p == (OfpPort::InPort as u16) => PseudoPort::InPort,
+            p if p == (OfpPort::Table as u16) => PseudoPort::Table,
+            p if p == (OfpPort::Normal as u16) => PseudoPort::Normal,
+            p if p == (OfpPort::Flood as u16) => PseudoPort::Flood,
+            p if p == (OfpPort::All as u16) => PseudoPort::AllPorts,
+            p if p == (OfpPort::Controller as u16) => match len {
+                Some(len) => PseudoPort::Controller(len),
+                None => PseudoPort::Unsupport,
+            },
+            p if p == (OfpPort::Local as u16) => PseudoPort::InPort,
+            _ => {
+                if port <= (OfpPort::Max as u16) {
+                    PseudoPort::PhysicalPort(port)
+                } else {
+                    PseudoPort::Unsupport
+                }
+            }
+        }
+    }
+    pub fn marshal(&self, bytes: &mut Vec<u8>) {
+        let port = match *self {
+            PseudoPort::PhysicalPort(p) => p,
+            PseudoPort::InPort => OfpPort::InPort as u16,
+            PseudoPort::Table => OfpPort::Table as u16,
+            PseudoPort::Normal => OfpPort::Normal as u16,
+            PseudoPort::Flood => OfpPort::Flood as u16,
+            PseudoPort::AllPorts => OfpPort::All as u16,
+            PseudoPort::Controller(_) => OfpPort::Controller as u16,
+            PseudoPort::Local => OfpPort::Local as u16,
+            // not sure how to handle unsupport
+            PseudoPort::Unsupport => OfpPort::Flood as u16,
+        };
+        let _ = bytes.write_u16::<BigEndian>(port);
+    }
+}

src/openflow/ofp13/tcp_listener.rs

+use std::{io::Read, net::TcpListener, thread};
+
+use crate::openflow::ofp13::HelloEvent;
+
+use super::{ControllerFrame13, OfpMsgEvent};
+
+pub fn tcp_listener_handler(
+    address: &str,
+    controller: impl ControllerFrame13 + Send + 'static + Clone,
+) -> Result<(), std::io::Error> {
+    let listener = TcpListener::bind(address)?;
+    // let controller = Arc::new(Mutex::new(controller));
+    for stream in listener.incoming() {
+        match stream {
+            Ok(mut stream) => {
+                if let Ok(addr) = stream.peer_addr() {
+                    println!("server has connection from {}", addr);
+                }
+
+                let mut ctrl = controller.clone();
+                thread::spawn(move || {
+                    ctrl.send_msg(HelloEvent::new(), 0, &mut stream);
+                    let ofp_size = ctrl.ofp().header_size();
+                    let mut buffer = vec![0u8; ofp_size];
+                    loop {
+                        match stream.read(&mut buffer) {
+                            Ok(v) if v > 0 => {
+                                ctrl.request_handler(&mut buffer, &mut stream);
+                            }
+                            Ok(_) => {
+                                continue;
+                            }
+                            Err(_) => {
+                                println!("cannot read packet");
+                                break;
+                            }
+                        }
+                    }
+                });
+            }
+            Err(_) => panic!("Connection failed!"),
+        }
+    }
+    Ok(())
+}

src/openflow/ofp13/traiter/event_trait.rs

+use std::io::Error;
+
+use crate::openflow::ofp13::{
+    events::{Action, FeaturesReqEvent, HelloEvent, PacketOutEvent, Payload},
+    ofp_header::OfpHeader,
+    Msg,
+};
+
+/**
+ * the trait for parse value to bytes.
+ * for use with Controller's send_msg.
+ */
+pub trait MessageMarshal {
+    fn marshal(&self, bytes: &mut Vec<u8>);
+    fn msg_code(&self) -> Msg;
+    fn msg_usize(&self) -> usize;
+    fn size_of(&self) -> usize;
+}
+
+/**
+ * for works with controller to create OfpMsgEvent
+ */
+pub trait OfpMsgEvent {
+    fn header(&self, message: u8, length: u16, xid: u32) -> OfpHeader;
+    fn header_parse(&self, bytes: &Vec<u8>) -> Result<OfpHeader, Error>;
+    fn version(&self) -> usize;
+    fn ofp_version() -> usize;
+    fn header_size(&self) -> usize;
+
+    fn msg_usize(&self, msg: Msg) -> usize;
+    fn msg_parse(&self, msg: u8) -> Msg;
+    fn hello_event(&self) -> HelloEvent;
+    fn fetures_req(&self) -> FeaturesReqEvent;
+    fn packet_out(
+        &self,
+        port_id: Option<u16>,
+        payload: Payload,
+        actions: Vec<Action>,
+    ) -> PacketOutEvent;
+}

src/openflow/ofp13/traiter/header_trait.rs

+use std::io::Error;
+
+pub trait OpenflowHeader {
+    fn version(&self) -> usize;
+    fn message(&self) -> u8;
+    fn length(&self) -> usize;
+    fn xid(&self) -> u32;
+    fn pkt_size(&self) -> usize;
+
+    fn new(message: u8, length: usize, xid: usize) -> Self;
+    fn header_size(&self) -> usize;
+    fn parse(buf: &Vec<u8>) -> Result<Self, Error>
+    where
+        Self: Sized;
+    fn marshal(&self, bytes: &mut Vec<u8>);
+}

src/openflow/ofp13/traiter/mod.rs

+pub mod header_trait;
+pub use header_trait::OpenflowHeader;
+
+pub mod event_trait;
+pub use event_trait::{MessageMarshal, OfpMsgEvent};