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use std::{collections::HashMap, error::Error as StdError, sync::Arc};
use axum::{response::IntoResponse, Router};
use reqwest;
use serde::{Deserialize, Serialize};
use general_mq::Queue;
use sylvia_iot_corelib::{
constants::DbEngine,
http::{Json, Query},
};
use crate::{
libs::{
config::{self, Config},
mq::{self, Connection},
},
models::{self, ConnOptions, Model, MongoDbOptions, SqliteOptions},
pub mod middleware;
mod v1;
/// The resources used by this service.
#[derive(Clone)]
pub struct State {
/// The scope root path for the service.
///
/// For example `/data`, the APIs are
/// - `http://host:port/data/api/v1/application-uldata/xxx`
/// - `http://host:port/data/api/v1/network-uldata/xxx`
pub scope_path: &'static str,
/// The database model.
pub model: Arc<dyn Model>,
/// The sylvia-iot-auth base API path with host.
/// For example, `http://localhost:1080/auth`.
pub auth_base: String,
/// The sylvia-iot-broker base API path with host.
/// For example, `http://localhost:2080/broker`.
pub broker_base: String,
/// The client for internal HTTP requests.
pub client: reqwest::Client,
/// Queue connections. Key is uri.
pub mq_conns: HashMap<String, Connection>,
/// Data channel receivers. Key is data channel name such as `broker.data`, `coremgr.data`, ...
pub data_receivers: HashMap<String, Queue>,
}
/// The sylvia-iot module specific error codes in addition to standard
/// [`sylvia_iot_corelib::err::ErrResp`].
pub struct ErrReq;
/// Query parameters for `GET /version`
#[derive(Deserialize)]
pub struct GetVersionQuery {
q: Option<String>,
#[derive(Serialize)]
struct GetVersionRes<'a> {
data: GetVersionResData<'a>,
struct GetVersionResData<'a> {
name: &'a str,
version: &'a str,
const SERV_NAME: &'static str = env!("CARGO_PKG_NAME");
const SERV_VER: &'static str = env!("CARGO_PKG_VERSION");
impl ErrReq {
pub const UNIT_NOT_EXIST: (u16, &'static str) = (400, "err_data_unit_not_exist");
pub const USER_NOT_EXIST: (u16, &'static str) = (400, "err_data_user_not_exist");
/// To create resources for the service.
pub async fn new_state(
scope_path: &'static str,
conf: &Config,
) -> Result<State, Box<dyn StdError>> {
let conf = config::apply_default(conf);
let db_opts = match conf.db.as_ref().unwrap().engine.as_ref().unwrap().as_str() {
DbEngine::MONGODB => {
let conf = conf.db.as_ref().unwrap().mongodb.as_ref().unwrap();
ConnOptions::MongoDB(MongoDbOptions {
url: conf.url.as_ref().unwrap().to_string(),
db: conf.database.as_ref().unwrap().to_string(),
pool_size: conf.pool_size,
})
_ => {
let conf = conf.db.as_ref().unwrap().sqlite.as_ref().unwrap();
ConnOptions::Sqlite(SqliteOptions {
path: conf.path.as_ref().unwrap().to_string(),
let model = models::new(&db_opts).await?;
let auth_base = conf.auth.as_ref().unwrap().clone();
let broker_base = conf.broker.as_ref().unwrap().clone();
let mut mq_conns = HashMap::new();
let ch_conf = conf.mq_channels.as_ref().unwrap();
let data_receivers = new_data_receivers(&model, &mut mq_conns, ch_conf)?;
let state = State {
scope_path,
model,
auth_base,
broker_base,
client: reqwest::Client::new(),
mq_conns,
data_receivers,
Ok(state)
/// To register service URIs in the specified root path.
pub fn new_service(state: &State) -> Router {
Router::new().nest(
&state.scope_path,
Router::new()
.merge(v1::application_uldata::new_service(
"/api/v1/application-uldata",
state,
))
.merge(v1::application_dldata::new_service(
"/api/v1/application-dldata",
.merge(v1::network_uldata::new_service(
"/api/v1/network-uldata",
.merge(v1::network_dldata::new_service(
"/api/v1/network-dldata",
.merge(v1::coremgr_opdata::new_service(
"/api/v1/coremgr-opdata",
)),
)
pub fn new_data_receivers(
model: &Arc<dyn Model>,
mq_conns: &mut HashMap<String, Connection>,
ch_conf: &config::MqChannels,
) -> Result<HashMap<String, Queue>, Box<dyn StdError>> {
let mut data_receivers = HashMap::<String, Queue>::new();
let conf = ch_conf.broker.as_ref().unwrap();
let q = mq::broker::new(model.clone(), mq_conns, &conf)?;
data_receivers.insert("broker.data".to_string(), q);
let conf = ch_conf.coremgr.as_ref().unwrap();
let q = mq::coremgr::new(model.clone(), mq_conns, &conf)?;
data_receivers.insert("coremgr.data".to_string(), q);
Ok(data_receivers)
pub async fn get_version(Query(query): Query<GetVersionQuery>) -> impl IntoResponse {
if let Some(q) = query.q.as_ref() {
match q.as_str() {
"name" => return SERV_NAME.into_response(),
"version" => return SERV_VER.into_response(),
_ => (),
Json(GetVersionRes {
data: GetVersionResData {
name: SERV_NAME,
version: SERV_VER,
.into_response()