45 lines
1.1 KiB
Rust
45 lines
1.1 KiB
Rust
use super::{Role, Version};
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use crate::{
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coding::{DecodeError, EncodeError},
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VarInt,
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};
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use crate::coding::{AsyncRead, AsyncWrite};
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/// Sent by the server in response to a client setup.
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// NOTE: This is not a message type, but rather the control stream header.
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// Proposal: https://github.com/moq-wg/moq-transport/issues/138
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#[derive(Debug)]
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pub struct Server {
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/// The list of supported versions in preferred order.
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pub version: Version,
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/// Indicate if the server is a publisher, a subscriber, or both.
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// Proposal: moq-wg/moq-transport#151
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pub role: Role,
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}
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impl Server {
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/// Decode the server setup.
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pub async fn decode<R: AsyncRead>(r: &mut R) -> Result<Self, DecodeError> {
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let typ = VarInt::decode(r).await?;
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if typ.into_inner() != 2 {
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return Err(DecodeError::InvalidType(typ));
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}
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let version = Version::decode(r).await?;
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let role = Role::decode(r).await?;
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Ok(Self { version, role })
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}
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/// Encode the server setup.
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pub async fn encode<W: AsyncWrite>(&self, w: &mut W) -> Result<(), EncodeError> {
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VarInt::from_u32(2).encode(w).await?;
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self.version.encode(w).await?;
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self.role.encode(w).await?;
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Ok(())
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}
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}
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