rtc-turn 0.9.0

RTC TURN in Rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162

use super::*;
use sansio::Protocol;
use std::collections::HashSet;
use std::net::UdpSocket;

fn create_listening_test_client(rto_in_ms: u64) -> Result<(UdpSocket, Client)> {
    let udp_socket = UdpSocket::bind("0.0.0.0:0")?;

    let client = Client::new(ClientConfig {
        stun_serv_addr: String::new(),
        turn_serv_addr: String::new(),
        local_addr: udp_socket.local_addr()?,
        transport_protocol: TransportProtocol::UDP,
        username: String::new(),
        password: String::new(),
        realm: String::new(),
        software: "TEST SOFTWARE".to_owned(),
        rto_in_ms,
    })?;

    Ok((udp_socket, client))
}

fn create_listening_test_client_with_stun_serv() -> Result<(UdpSocket, Client)> {
    let udp_socket = UdpSocket::bind("0.0.0.0:0")?;

    let client = Client::new(ClientConfig {
        stun_serv_addr: "stun1.l.google.com:19302".to_owned(),
        turn_serv_addr: String::new(),
        local_addr: udp_socket.local_addr()?,
        transport_protocol: TransportProtocol::UDP,
        username: String::new(),
        password: String::new(),
        realm: String::new(),
        software: "TEST SOFTWARE".to_owned(),
        rto_in_ms: 0,
    })?;

    Ok((udp_socket, client))
}

#[test]
fn test_client_with_stun_send_binding_request() -> Result<()> {
    //env_logger::init();

    let (conn, mut client) = create_listening_test_client_with_stun_serv()?;
    let local_addr = conn.local_addr()?;

    let tid = client.send_binding_request()?;

    while let Some(transmit) = client.poll_write() {
        conn.send_to(&transmit.message, transmit.transport.peer_addr)?;
    }

    let mut buffer = vec![0u8; 2048];
    let (n, peer_addr) = conn.recv_from(&mut buffer)?;
    client.handle_read(TransportMessage {
        now: Instant::now(),
        transport: TransportContext {
            local_addr,
            peer_addr,
            transport_protocol: TransportProtocol::UDP,
            ecn: None,
        },
        message: BytesMut::from(&buffer[..n]),
    })?;

    if let Some(event) = client.poll_event() {
        match event {
            Event::BindingResponse(id, refl_addr) => {
                assert_eq!(tid, id);
                debug!("mapped-addr: {}", refl_addr);
            }
            _ => assert!(false),
        }
    } else {
        assert!(false);
    }

    assert_eq!(0, client.tr_map.size(), "should be no transaction left");

    client.close()
}

#[test]
fn test_client_with_stun_send_binding_request_to_parallel() -> Result<()> {
    //env_logger::init();

    let (conn, mut client) = create_listening_test_client(0)?;
    let local_addr = conn.local_addr()?;

    let to = lookup_host(true, "stun1.l.google.com:19302")?;

    let tid1 = client.send_binding_request_to(to)?;
    let tid2 = client.send_binding_request_to(to)?;
    while let Some(transmit) = client.poll_write() {
        conn.send_to(&transmit.message, transmit.transport.peer_addr)?;
    }

    let mut buffer = vec![0u8; 2048];
    for _ in 0..2 {
        let (n, peer_addr) = conn.recv_from(&mut buffer)?;
        client.handle_read(TransportMessage {
            now: Instant::now(),
            transport: TransportContext {
                local_addr,
                peer_addr,
                transport_protocol: TransportProtocol::UDP,
                ecn: None,
            },
            message: BytesMut::from(&buffer[..n]),
        })?;
    }

    let mut tids = HashSet::new();
    while let Some(event) = client.poll_event() {
        match event {
            Event::BindingResponse(tid, refl_addr) => {
                tids.insert(tid);
                debug!("mapped-addr: {}", refl_addr);
            }
            _ => {}
        }
    }

    assert_eq!(2, tids.len());
    assert!(tids.contains(&tid1));
    assert!(tids.contains(&tid2));

    client.close()
}

#[test]
fn test_client_with_stun_send_binding_request_to_timeout() -> Result<()> {
    //env_logger::init();

    let (conn, mut client) = create_listening_test_client(10)?;

    let to = lookup_host(true, "127.0.0.1:9")?;

    let tid = client.send_binding_request_to(to)?;
    while let Some(transmit) = client.poll_write() {
        conn.send_to(&transmit.message, transmit.transport.peer_addr)?;
    }

    while let Some(to) = client.poll_timeout() {
        client.handle_timeout(to)?;
    }

    if let Some(event) = client.poll_event() {
        match event {
            Event::TransactionTimeout(id) => {
                assert_eq!(tid, id);
            }
            _ => assert!(false),
        }
    } else {
        assert!(false);
    }

    client.close()
}