src/api2/admin/datastore/h2upload.rs: improve http2 service
This commit is contained in:
Dietmar Maurer
parent
78f7e225e4
commit
92ac375aff
@ -1,16 +1,21 @@
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use failure::*;
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use lazy_static::lazy_static;
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use futures::{Future, Stream};
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use h2::server;
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use std::collections::HashMap;
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use futures::*;
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use hyper::header::{HeaderValue, UPGRADE};
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use hyper::{Body, Response, StatusCode};
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use hyper::{Body, Request, Response, StatusCode};
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use hyper::http::request::Parts;
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use hyper::rt;
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use serde_json::Value;
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use crate::tools;
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use crate::api_schema::router::*;
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use crate::api_schema::*;
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use crate::server::formatter::*;
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use crate::server::RestEnvironment;
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pub fn api_method_upgrade_h2upload() -> ApiAsyncMethod {
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ApiAsyncMethod::new(
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@ -20,12 +25,95 @@ pub fn api_method_upgrade_h2upload() -> ApiAsyncMethod {
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)
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}
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lazy_static!{
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static ref BACKUP_ROUTER: Router = backup_api();
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}
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pub struct BackupService {
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rpcenv: RestEnvironment,
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}
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impl BackupService {
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fn new(rpcenv: &RpcEnvironment) -> Self {
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let mut rpcenv = RestEnvironment::new(rpcenv.env_type());
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rpcenv.set_user(rpcenv.get_user());
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Self { rpcenv }
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}
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fn handle_request(&self, req: Request<Body>) -> BoxFut {
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let (parts, body) = req.into_parts();
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let method = parts.method.clone();
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let (path, components) = match tools::normalize_uri_path(parts.uri.path()) {
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Ok((p,c)) => (p, c),
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Err(err) => return Box::new(future::err(http_err!(BAD_REQUEST, err.to_string()))),
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};
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let formatter = &JSON_FORMATTER;
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println!("H2 REQUEST {} {}", method, path);
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println!("H2 COMPO {:?}", components);
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let mut uri_param = HashMap::new();
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match BACKUP_ROUTER.find_method(&components, method, &mut uri_param) {
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MethodDefinition::None => {
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let err = http_err!(NOT_FOUND, "Path not found.".to_string());
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return Box::new(future::ok((formatter.format_error)(err)));
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}
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MethodDefinition::Simple(api_method) => {
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return crate::server::rest::handle_sync_api_request(self.rpcenv.clone(), api_method, formatter, parts, body, uri_param);
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}
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MethodDefinition::Async(async_method) => {
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return crate::server::rest::handle_async_api_request(self.rpcenv.clone(), async_method, formatter, parts, body, uri_param);
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}
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}
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}
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}
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impl hyper::service::Service for BackupService {
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type ReqBody = Body;
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type ResBody = Body;
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type Error = hyper::Error;
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type Future = Box<Future<Item = Response<Body>, Error = Self::Error> + Send>;
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fn call(&mut self, req: Request<Self::ReqBody>) -> Self::Future {
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let _path = req.uri().path().to_owned();
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let _method = req.method().clone();
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Box::new(self.handle_request(req).then(move |result| {
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match result {
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Ok(res) => {
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//log_response(method, &path, &res);
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Ok::<_, hyper::Error>(res)
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}
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Err(err) => {
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if let Some(apierr) = err.downcast_ref::<HttpError>() {
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let mut resp = Response::new(Body::from(apierr.message.clone()));
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*resp.status_mut() = apierr.code;
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//log_response(method, &path, &resp);
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Ok(resp)
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} else {
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let mut resp = Response::new(Body::from(err.to_string()));
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*resp.status_mut() = StatusCode::BAD_REQUEST;
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//log_response(method, &path, &resp);
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Ok(resp)
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}
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}
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}
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}))
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}
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}
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fn upgrade_h2upload(
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parts: Parts,
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req_body: Body,
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param: Value,
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_param: Value,
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_info: &ApiAsyncMethod,
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_rpcenv: &mut RpcEnvironment,
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rpcenv: &mut RpcEnvironment,
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) -> Result<BoxFut, Error> {
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let expected_protocol: &'static str = "proxmox-backup-protocol-h2";
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@ -43,34 +131,19 @@ fn upgrade_h2upload(
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bail!("unexpected http version '{:?}' (expected version < 2)", parts.version);
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}
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let service = BackupService::new(rpcenv);
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rt::spawn(
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req_body
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.on_upgrade()
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.map_err(|e| Error::from(e))
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.map_err(Error::from)
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.and_then(move |conn| {
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println!("upgrade done");
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server::handshake(conn)
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.and_then(|h2| {
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println!("Accept h2");
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// Accept all inbound HTTP/2.0 streams sent over the
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// connection.
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h2.for_each(|(request, mut respond)| {
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println!("Received request: {:?}", request);
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// Build a response with no body
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let response = Response::builder()
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.status(StatusCode::OK)
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.body(())
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.unwrap();
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let mut http = hyper::server::conn::Http::new();
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http.http2_only(true);
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// Send the response back to the client
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respond.send_response(response, true)
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.unwrap();
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Ok(())
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})
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})
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.map_err(Error::from)
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http.serve_connection(conn, service).map_err(Error::from)
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})
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.map_err(|e| eprintln!("error during upgrade: {}", e))
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);
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@ -83,3 +156,30 @@ fn upgrade_h2upload(
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.unwrap()
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)))
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}
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fn backup_api() -> Router {
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let test1 = Router::new()
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.get(
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ApiMethod::new(
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test1_get,
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ObjectSchema::new("Test something.")
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)
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);
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let router = Router::new()
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.subdir("test1", test1)
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.list_subdirs();
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router
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}
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fn test1_get (
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_param: Value,
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_info: &ApiMethod,
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_rpcenv: &mut RpcEnvironment,
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) -> Result<Value, Error> {
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Ok(Value::Null)
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}
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