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

#![warn(rust_2018_idioms)]
#![allow(dead_code)]

pub mod alert;
pub mod application_data;
pub mod change_cipher_spec;
pub mod cipher_suite;
pub mod client_certificate_type;
pub mod compression_methods;
pub mod config;
pub mod conn;
pub mod content;
pub mod crypto;
pub mod curve;
pub mod endpoint;
pub mod extension;
pub mod flight;
pub mod fragment_buffer;
pub mod handshake;
pub mod handshaker;
pub mod prf;
pub mod record_layer;
pub mod signature_hash_algorithm;
pub mod state;

use bytes::BytesMut;
use cipher_suite::*;
use extension::extension_use_srtp::SrtpProtectionProfile;
use shared::EcnCodepoint;
use std::net::{IpAddr, SocketAddr};
use std::time::Instant;

pub(crate) fn find_matching_srtp_profile(
    a: &[SrtpProtectionProfile],
    b: &[SrtpProtectionProfile],
) -> Result<SrtpProtectionProfile, ()> {
    for a_profile in a {
        for b_profile in b {
            if a_profile == b_profile {
                return Ok(*a_profile);
            }
        }
    }
    Err(())
}

pub(crate) fn find_matching_cipher_suite(
    a: &[CipherSuiteId],
    b: &[CipherSuiteId],
) -> Result<CipherSuiteId, ()> {
    for a_suite in a {
        for b_suite in b {
            if a_suite == b_suite {
                return Ok(*a_suite);
            }
        }
    }
    Err(())
}

/// Incoming/outgoing Transmit
#[derive(Debug)]
pub struct Transmit {
    /// Received/Sent time
    pub now: Instant,
    /// The socket this datagram should be sent to
    pub remote: SocketAddr,
    /// Explicit congestion notification bits to set on the packet
    pub ecn: Option<EcnCodepoint>,
    /// Optional local IP address for the datagram
    pub local_ip: Option<IpAddr>,
    /// Payload of the datagram
    pub payload: BytesMut,
}