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
|
use std::fmt;
use crate::packet;
use crate::Packet;
use crate::types::CompressionAlgorithm;
/// Holds a compressed data packet.
///
/// A compressed data packet is a container. See [Section 5.6 of RFC
/// 4880] for details.
///
/// When the parser encounters a compressed data packet with an
/// unknown compress algorithm, it returns an `Unknown` packet instead
/// of a `CompressedData` packet.
///
/// [Section 5.6 of RFC 4880]: https://tools.ietf.org/html/rfc4880#section-5.6
#[derive(PartialEq, Eq, Hash, Clone)]
pub struct CompressedData {
/// CTB packet header fields.
pub(crate) common: packet::Common,
/// Algorithm used to compress the payload.
algo: CompressionAlgorithm,
/// This is a container packet.
container: packet::Container,
}
impl fmt::Debug for CompressedData {
fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
f.debug_struct("CompressedData")
.field("algo", &self.algo)
.field("children", &self.container.children_ref())
.field("body (bytes)",
&self.container.body().len())
.field("body_digest", &self.container.body_digest())
.finish()
}
}
impl CompressedData {
/// Returns a new `CompressedData` packet.
pub fn new(algo: CompressionAlgorithm) -> Self {
CompressedData {
common: Default::default(),
algo: algo,
container: Default::default(),
}
}
/// Gets the compression algorithm.
pub fn algo(&self) -> CompressionAlgorithm {
self.algo
}
/// Sets the compression algorithm.
pub fn set_algo(&mut self, algo: CompressionAlgorithm) -> CompressionAlgorithm {
::std::mem::replace(&mut self.algo, algo)
}
/// Adds a new packet to the container.
#[cfg(test)]
pub fn push(mut self, packet: Packet) -> Self {
self.container.children_mut().push(packet);
self
}
/// Inserts a new packet to the container at a particular index.
/// If `i` is 0, the new packet is insert at the front of the
/// container. If `i` is one, it is inserted after the first
/// packet, etc.
#[cfg(test)]
pub fn insert(mut self, i: usize, packet: Packet) -> Self {
self.container.children_mut().insert(i, packet);
self
}
}
impl_container_forwards!(CompressedData);
impl From<CompressedData> for Packet {
fn from(s: CompressedData) -> Self {
Packet::CompressedData(s)
}
}
|
