1 // Licensed to the Apache Software Foundation (ASF) under one
2 // or more contributor license agreements. See the NOTICE file
3 // distributed with this work for additional information
4 // regarding copyright ownership. The ASF licenses this file
5 // to you under the Apache License, Version 2.0 (the
6 // "License"); you may not use this file except in compliance
7 // with the License. You may obtain a copy of the License at
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing,
12 // software distributed under the License is distributed on an
13 // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14 // KIND, either express or implied. See the License for the
15 // specific language governing permissions and limitations
16 // under the License.
17
18 use optee_teec::{Context, Operation, Session, Uuid};
19 use optee_teec::ParamNone;
20 use proto::{UUID, Command};
21 use std::thread;
22 use std::net::UdpSocket;
23 use std::str;
24
udp_socket(session: &mut Session) -> optee_teec::Result<()>25 fn udp_socket(session: &mut Session) -> optee_teec::Result<()> {
26 let mut operation = Operation::new(0, ParamNone, ParamNone, ParamNone, ParamNone);
27 session.invoke_command(Command::Start as u32, &mut operation)?;
28 Ok(())
29 }
30
main() -> optee_teec::Result<()>31 fn main() -> optee_teec::Result<()> {
32 let socket = UdpSocket::bind("127.0.0.1:34254").unwrap();
33
34 let mut ctx = Context::new()?;
35 let uuid = Uuid::parse_str(UUID).unwrap();
36 let child = thread::spawn(move || {
37 let mut session = ctx.open_session(uuid).unwrap();
38 udp_socket(&mut session).unwrap();
39 });
40
41 let mut buf = [0; 100];
42 let (_, src_addr) = socket.recv_from(&mut buf).unwrap();
43 socket.send_to(b"[Host] Hello, Teaclave!", src_addr).unwrap();
44 println!("{}", str::from_utf8(&buf).unwrap());
45 let _ = child.join();
46
47 println!("Success");
48 Ok(())
49 }
50