use failure::*; use lazy_static::lazy_static; use std::collections::HashMap; use futures::*; use hyper::header::{HeaderValue, UPGRADE}; use hyper::{Body, Request, Response, StatusCode}; use hyper::http::request::Parts; use hyper::rt; use serde_json::Value; use crate::tools; use crate::api_schema::router::*; use crate::api_schema::*; use crate::server::formatter::*; use crate::server::RestEnvironment; pub fn api_method_upgrade_h2upload() -> ApiAsyncMethod { ApiAsyncMethod::new( upgrade_h2upload, ObjectSchema::new("Experimental h2 server") .required("store", StringSchema::new("Datastore name.")), ) } lazy_static!{ static ref BACKUP_ROUTER: Router = backup_api(); } pub struct BackupService { rpcenv: RestEnvironment, } impl BackupService { fn new(rpcenv: &RpcEnvironment) -> Self { let mut rpcenv = RestEnvironment::new(rpcenv.env_type()); rpcenv.set_user(rpcenv.get_user()); Self { rpcenv } } fn handle_request(&self, req: Request) -> BoxFut { let (parts, body) = req.into_parts(); let method = parts.method.clone(); let (path, components) = match tools::normalize_uri_path(parts.uri.path()) { Ok((p,c)) => (p, c), Err(err) => return Box::new(future::err(http_err!(BAD_REQUEST, err.to_string()))), }; let formatter = &JSON_FORMATTER; println!("H2 REQUEST {} {}", method, path); println!("H2 COMPO {:?}", components); let mut uri_param = HashMap::new(); match BACKUP_ROUTER.find_method(&components, method, &mut uri_param) { MethodDefinition::None => { let err = http_err!(NOT_FOUND, "Path not found.".to_string()); return Box::new(future::ok((formatter.format_error)(err))); } MethodDefinition::Simple(api_method) => { return crate::server::rest::handle_sync_api_request(self.rpcenv.clone(), api_method, formatter, parts, body, uri_param); } MethodDefinition::Async(async_method) => { return crate::server::rest::handle_async_api_request(self.rpcenv.clone(), async_method, formatter, parts, body, uri_param); } } } } impl hyper::service::Service for BackupService { type ReqBody = Body; type ResBody = Body; type Error = hyper::Error; type Future = Box, Error = Self::Error> + Send>; fn call(&mut self, req: Request) -> Self::Future { let _path = req.uri().path().to_owned(); let _method = req.method().clone(); Box::new(self.handle_request(req).then(move |result| { match result { Ok(res) => { //log_response(method, &path, &res); Ok::<_, hyper::Error>(res) } Err(err) => { if let Some(apierr) = err.downcast_ref::() { let mut resp = Response::new(Body::from(apierr.message.clone())); *resp.status_mut() = apierr.code; //log_response(method, &path, &resp); Ok(resp) } else { let mut resp = Response::new(Body::from(err.to_string())); *resp.status_mut() = StatusCode::BAD_REQUEST; //log_response(method, &path, &resp); Ok(resp) } } } })) } } fn upgrade_h2upload( parts: Parts, req_body: Body, _param: Value, _info: &ApiAsyncMethod, rpcenv: &mut RpcEnvironment, ) -> Result { let expected_protocol: &'static str = "proxmox-backup-protocol-h2"; let protocols = parts .headers .get("UPGRADE") .ok_or_else(|| format_err!("missing Upgrade header"))? .to_str()?; if protocols != expected_protocol { bail!("invalid protocol name"); } if parts.version >= http::version::Version::HTTP_2 { bail!("unexpected http version '{:?}' (expected version < 2)", parts.version); } let service = BackupService::new(rpcenv); rt::spawn( req_body .on_upgrade() .map_err(Error::from) .and_then(move |conn| { println!("upgrade done"); let mut http = hyper::server::conn::Http::new(); http.http2_only(true); http.serve_connection(conn, service).map_err(Error::from) }) .map_err(|e| eprintln!("error during upgrade: {}", e)) ); Ok(Box::new(futures::future::ok( Response::builder() .status(StatusCode::SWITCHING_PROTOCOLS) .header(UPGRADE, HeaderValue::from_static(expected_protocol)) .body(Body::empty()) .unwrap() ))) } fn backup_api() -> Router { let test1 = Router::new() .get( ApiMethod::new( test1_get, ObjectSchema::new("Test something.") ) ); let router = Router::new() .subdir("test1", test1) .list_subdirs(); router } fn test1_get ( _param: Value, _info: &ApiMethod, _rpcenv: &mut RpcEnvironment, ) -> Result { Ok(Value::Null) }