grpc_core/
method.rs

1//! Static RPC routing and cardinality descriptions.
2
3/// Message multiplicity in each direction of an RPC.
4#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
5pub enum RpcCardinality {
6    /// One request and one response.
7    Unary,
8    /// One request and a stream of responses.
9    ServerStreaming,
10    /// A stream of requests and one response.
11    ClientStreaming,
12    /// Independent request and response streams.
13    BidiStreaming,
14}
15
16/// Static routing information emitted by service definitions.
17///
18/// `path` is the canonical, case-sensitive HTTP/2 path in the form
19/// `/package.Service/Method`. The service definition owns its validity.
20#[derive(Clone, Copy, Debug, Eq, Hash, PartialEq)]
21pub struct MethodDescriptor {
22    /// Canonical HTTP/2 request path.
23    pub path: &'static str,
24    /// Request and response message multiplicity.
25    pub cardinality: RpcCardinality,
26}
27
28impl MethodDescriptor {
29    /// Describes a method using its canonical path and message multiplicity.
30    #[must_use]
31    pub const fn new(path: &'static str, cardinality: RpcCardinality) -> Self {
32        Self { path, cardinality }
33    }
34}
grpc_core/method.rs

grpc_core/
method.rs
