moq-transport 0.12.0

Media over QUIC
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
163
164

/// An error that causes the session to close.
#[derive(thiserror::Error, Debug)]
pub enum SessionError {
    // Official error codes
    #[error("no error")]
    NoError,

    #[error("internal error")]
    InternalError,

    #[error("unauthorized")]
    Unauthorized,

    #[error("protocol violation")]
    ProtocolViolation,

    #[error("duplicate track alias")]
    DuplicateTrackAlias,

    #[error("parameter length mismatch")]
    ParameterLengthMismatch,

    #[error("too many subscribes")]
    TooManySubscribes,

    #[error("goaway timeout")]
    GoawayTimeout,

    #[error("unknown error: code={0}")]
    Unknown(u64),
    // Unofficial error codes
}

pub trait MoqError {
    /// An integer code that is sent over the wire.
    fn code(&self) -> u64;
}

impl MoqError for SessionError {
    /// An integer code that is sent over the wire.
    fn code(&self) -> u64 {
        match self {
            // Official error codes
            Self::NoError => 0x0,
            Self::InternalError => 0x1,
            Self::Unauthorized => 0x2,
            Self::ProtocolViolation => 0x3,
            Self::DuplicateTrackAlias => 0x4,
            Self::ParameterLengthMismatch => 0x5,
            Self::TooManySubscribes => 0x6,
            Self::GoawayTimeout => 0x10,
            Self::Unknown(code) => *code,
            // Unofficial error codes
        }
    }
}

/// An error that causes the subscribe to be rejected immediately.
#[derive(thiserror::Error, Debug)]
pub enum SubscribeError {
    // Official error codes
    #[error("internal error")]
    InternalError,

    #[error("invalid range")]
    InvalidRange,

    #[error("retry track alias")]
    RetryTrackAlias,

    #[error("track does not exist")]
    TrackDoesNotExist,

    #[error("unauthorized")]
    Unauthorized,

    #[error("timeout")]
    Timeout,

    #[error("unknown error: code={0}")]
    Unknown(u64),
    // Unofficial error codes
}

impl MoqError for SubscribeError {
    /// An integer code that is sent over the wire.
    fn code(&self) -> u64 {
        match self {
            // Official error codes
            Self::InternalError => 0x0,
            Self::InvalidRange => 0x1,
            Self::RetryTrackAlias => 0x2,
            Self::TrackDoesNotExist => 0x3,
            Self::Unauthorized => 0x4,
            Self::Timeout => 0x5,
            Self::Unknown(code) => *code,
            // Unofficial error codes
        }
    }
}

/// An error that causes the subscribe to be terminated.
#[derive(thiserror::Error, Debug)]
pub enum SubscribeDone {
    // Official error codes
    #[error("unsubscribed")]
    Unsubscribed,

    #[error("internal error")]
    InternalError,

    // TODO This should be in SubscribeError
    #[error("unauthorized")]
    Unauthorized,

    #[error("track ended")]
    TrackEnded,

    // TODO What the heck is this?
    #[error("subscription ended")]
    SubscriptionEnded,

    #[error("going away")]
    GoingAway,

    #[error("expired")]
    Expired,

    #[error("unknown error: code={0}")]
    Unknown(u64),
}

impl From<u64> for SubscribeDone {
    fn from(code: u64) -> Self {
        match code {
            0x0 => Self::Unsubscribed,
            0x1 => Self::InternalError,
            0x2 => Self::Unauthorized,
            0x3 => Self::TrackEnded,
            0x4 => Self::SubscriptionEnded,
            0x5 => Self::GoingAway,
            0x6 => Self::Expired,
            _ => Self::Unknown(code),
        }
    }
}

impl MoqError for SubscribeDone {
    /// An integer code that is sent over the wire.
    fn code(&self) -> u64 {
        match self {
            // Official error codes
            Self::Unsubscribed => 0x0,
            Self::InternalError => 0x1,
            Self::Unauthorized => 0x2,
            Self::TrackEnded => 0x3,
            Self::SubscriptionEnded => 0x4,
            Self::GoingAway => 0x5,
            Self::Expired => 0x6,
            Self::Unknown(code) => *code,
            // Unofficial error codes
        }
    }
}