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use std::cell::RefCell;
use std::rc::Rc;
use stellar_rs::event::event::Event;
use stellar_rs::event::manager::EventHandle;
use stellar_rs::event::manager::EventManager;
use stellar_rs::event::manager::EventQueue;
use stellar_rs::packet::capture::PacketCapture;
use stellar_rs::packet::packet::Encapsulation;
use stellar_rs::packet::packet::Packet;
use stellar_rs::plugin::example::ExamplePulgin;
use stellar_rs::session::session::Session;
use stellar_rs::session::session::SessionProto;
use stellar_rs::session::session::SessionState;
use stellar_rs::thread::thread::ThreadContex;
fn trigger_packet_event(
packet: &Packet,
session: Option<Rc<RefCell<Session>>>,
queue: &mut EventQueue,
) {
let num = packet.encapsulation.len();
for i in 0..num {
match packet.encapsulation[i] {
Encapsulation::Eth(_, _) => {
// TODO
}
Encapsulation::Vlan(_, _) => {
// TODO
}
Encapsulation::Mpls(_, _) => {
// TODO
}
Encapsulation::PwEth(_, _) => {
// TODO
}
Encapsulation::Ipv4(_, _) => {
queue.add(Event::Ipv4Event, session.clone());
}
Encapsulation::Ipv6(_, _) => {
queue.add(Event::Ipv6Event, session.clone());
}
Encapsulation::Grev0(_, _) => {
// TODO
}
Encapsulation::Grev1(_, _) => {
// TODO
}
Encapsulation::Tcp(_, _) => {
queue.add(Event::TcpEvent, session.clone());
}
Encapsulation::Udp(_, _) => {
queue.add(Event::UdpEvent, session.clone());
}
Encapsulation::Icmp(_, _) => {
// TODO
}
Encapsulation::Icmpv6(_, _) => {
// TODO
}
Encapsulation::Gtpv1(_, _) => {
// TODO
}
Encapsulation::L2tp(_, _) => {
// TODO
}
}
}
}
fn trigger_session_event(session: Option<Rc<RefCell<Session>>>, queue: &mut EventQueue) {
if session.is_none() {
return;
}
let session_state = session.clone().unwrap().borrow_mut().get_session_state();
let session_proto = session.clone().unwrap().borrow_mut().get_session_proto();
match session_state {
SessionState::New => match session_proto {
SessionProto::TCP => {
queue.add(Event::TcpOpeningEvent, session);
}
SessionProto::UDP => {
queue.add(Event::UdpOpeningEvent, session);
}
},
SessionState::Active => match session_proto {
SessionProto::TCP => {
queue.add(Event::TcpActiveEvent, session);
}
SessionProto::UDP => {
queue.add(Event::UdpActiveEvent, session);
}
},
SessionState::Inactive => match session_proto {
SessionProto::TCP => {
queue.add(Event::TcpClosedEvent, session);
}
SessionProto::UDP => {
queue.add(Event::UdpExpireEvent, session);
}
},
SessionState::Expired => match session_proto {
SessionProto::TCP => {
queue.add(Event::TcpExpireEvent, session);
}
SessionProto::UDP => {
queue.add(Event::UdpExpireEvent, session);
}
},
}
}
fn handle_one_packet(data: &[u8], len: u32, ctx: Rc<RefCell<ThreadContex>>) {
let event_mgr = ctx.borrow().get_event_mgr();
let session_mgr = ctx.borrow().get_session_mgr();
let mut queue = EventQueue::new();
let mut packet = Packet::new(data, len);
let result = packet.handle();
match result {
Ok(_left) => {
// println!("SUCCESS: {:?}, {:?}", packet, left);
// println!("SUCCESS: {:#?}, {:?}", packet, left);
// dbg!(packet);
}
Err(e) => {
// println!("ERROR Data: {:?}", packet);
// println!("ERROR Code: {:?}", e);
println!("ERROR Desc: {}", e);
return;
}
}
if packet.get_inner_tuple().is_some() {
let flow_id = packet.get_flow_id().unwrap();
let session = session_mgr.borrow_mut().update(flow_id);
trigger_packet_event(&packet, Some(session.clone()), &mut queue);
trigger_session_event(Some(session.clone()), &mut queue);
} else {
trigger_packet_event(&packet, None, &mut queue);
}
event_mgr.borrow_mut().dispatch(Some(&packet), &mut queue);
let session = session_mgr.borrow_mut().expire_oldest_session();
trigger_session_event(session, &mut queue);
event_mgr.borrow_mut().dispatch(None, &mut queue);
}
fn main() {
let mut event_mgr = EventManager::new();
let mut plugin1 = ExamplePulgin::new("Plugin1");
let mut plugin2 = ExamplePulgin::new("Plugin2");
plugin1.init(&mut event_mgr);
plugin2.init(&mut event_mgr);
let event_mgr = Rc::new(RefCell::new(event_mgr));
let thread_ctx = Rc::new(RefCell::new(ThreadContex::new(event_mgr)));
PacketCapture::show_devices();
let mut cap = PacketCapture::new("en0");
cap.poll_packet(handle_one_packet, thread_ctx);
}
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