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use async_trait::async_trait;
use getset::Getters;
use serde::{Deserialize, Serialize};
use std::collections::HashMap;
use std::error::Error;
#[derive(Debug, Getters, Clone, Serialize, Deserialize)]
pub struct ServiceInstance {
#[getset(get = "pub")]
instance_id: Option<String>,
#[getset(get = "pub")]
service_id: Option<String>,
#[getset(get = "pub")]
host: Option<String>,
#[getset(get = "pub")]
port: Option<usize>,
#[getset(get = "pub")]
secure: bool,
#[getset(get = "pub")]
uri: Option<String>,
#[getset(get = "pub")]
metadata: HashMap<String, String>,
#[getset(get = "pub")]
scheme: Option<String>,
}
impl ServiceInstance {
#[allow(clippy::too_many_arguments)]
pub fn new(
instance_id: Option<String>,
service_id: Option<String>,
host: Option<String>,
port: Option<usize>,
secure: bool,
uri: Option<String>,
metadata: HashMap<String, String>,
scheme: Option<String>,
) -> Self {
ServiceInstance {
instance_id,
service_id,
host,
port,
secure,
uri,
metadata,
scheme,
}
}
}
#[async_trait]
pub trait DiscoveryService {
async fn discover_instances(&self) -> Result<Vec<ServiceInstance>, Box<dyn Error>>;
}
#[allow(dead_code)]
pub struct DiscoveryClient<T> {
service: T,
}
#[allow(dead_code)]
impl<T: DiscoveryService> DiscoveryClient<T> {
pub fn new(ds: T) -> DiscoveryClient<T> {
DiscoveryClient { service: ds }
}
pub async fn get_instances(&self) -> Result<Vec<ServiceInstance>, Box<dyn Error>> {
self.service.discover_instances().await
}
}