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//! A `tonic` based gRPC healthcheck implementation.
//!
//! # Example
//!
//! An example can be found [here].
//!
//! [here]: https://github.com/hyperium/tonic/blob/master/examples/src/health/server.rs
#![doc(
html_logo_url = "https://raw.githubusercontent.com/tokio-rs/website/master/public/img/icons/tonic.svg"
)]
#![doc(issue_tracker_base_url = "https://github.com/hyperium/tonic/issues/")]
#![doc(test(no_crate_inject, attr(deny(rust_2018_idioms))))]
#![cfg_attr(docsrs, feature(doc_auto_cfg))]
use std::fmt::{Display, Formatter};
mod generated {
#![allow(unreachable_pub)]
#![allow(missing_docs)]
#[rustfmt::skip]
pub mod grpc_health_v1;
#[rustfmt::skip]
pub mod grpc_health_v1_fds;
pub use grpc_health_v1_fds::FILE_DESCRIPTOR_SET;
#[cfg(test)]
mod tests {
use super::FILE_DESCRIPTOR_SET;
use prost::Message as _;
#[test]
fn file_descriptor_set_is_valid() {
prost_types::FileDescriptorSet::decode(FILE_DESCRIPTOR_SET).unwrap();
}
}
}
/// Generated protobuf types from the `grpc.health.v1` package.
pub mod pb {
pub use crate::generated::{grpc_health_v1::*, FILE_DESCRIPTOR_SET};
}
pub mod server;
/// An enumeration of values representing gRPC service health.
#[derive(Copy, Clone, Debug, PartialEq, Eq)]
pub enum ServingStatus {
/// Unknown status
Unknown,
/// The service is currently up and serving requests.
Serving,
/// The service is currently down and not serving requests.
NotServing,
}
impl Display for ServingStatus {
fn fmt(&self, f: &mut Formatter<'_>) -> std::fmt::Result {
match self {
ServingStatus::Unknown => f.write_str("Unknown"),
ServingStatus::Serving => f.write_str("Serving"),
ServingStatus::NotServing => f.write_str("NotServing"),
}
}
}
impl From<ServingStatus> for pb::health_check_response::ServingStatus {
fn from(s: ServingStatus) -> Self {
match s {
ServingStatus::Unknown => pb::health_check_response::ServingStatus::Unknown,
ServingStatus::Serving => pb::health_check_response::ServingStatus::Serving,
ServingStatus::NotServing => pb::health_check_response::ServingStatus::NotServing,
}
}
}
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