webrtc_mdns/message/resource/
srv.rs

1use super::*;
2use crate::error::Result;
3use crate::message::name::*;
4use crate::message::packer::*;
5
6// An SRVResource is an SRV Resource record.
7#[derive(Default, Debug, Clone, PartialEq, Eq)]
8pub struct SrvResource {
9    pub priority: u16,
10    pub weight: u16,
11    pub port: u16,
12    pub target: Name, // Not compressed as per RFC 2782.
13}
14
15impl fmt::Display for SrvResource {
16    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
17        write!(
18            f,
19            "dnsmessage.SRVResource{{priority: {}, weight: {}, port: {}, target: {}}}",
20            self.priority, self.weight, self.port, self.target
21        )
22    }
23}
24
25impl ResourceBody for SrvResource {
26    fn real_type(&self) -> DnsType {
27        DnsType::Srv
28    }
29
30    // pack appends the wire format of the SRVResource to msg.
31    fn pack(
32        &self,
33        mut msg: Vec<u8>,
34        _compression: &mut Option<HashMap<String, usize>>,
35        compression_off: usize,
36    ) -> Result<Vec<u8>> {
37        msg = pack_uint16(msg, self.priority);
38        msg = pack_uint16(msg, self.weight);
39        msg = pack_uint16(msg, self.port);
40        msg = self.target.pack(msg, &mut None, compression_off)?;
41        Ok(msg)
42    }
43
44    fn unpack(&mut self, msg: &[u8], off: usize, _length: usize) -> Result<usize> {
45        let (priority, off) = unpack_uint16(msg, off)?;
46        self.priority = priority;
47
48        let (weight, off) = unpack_uint16(msg, off)?;
49        self.weight = weight;
50
51        let (port, off) = unpack_uint16(msg, off)?;
52        self.port = port;
53
54        let off = self
55            .target
56            .unpack_compressed(msg, off, false /* allowCompression */)?;
57
58        Ok(off)
59    }
60}
webrtc_mdns/message/resource/srv.rs

webrtc_mdns/message/resource/
srv.rs
