use hyper::client::Client;
use xdg::BaseDirectories;
use chrono::Utc;
+use std::collections::HashSet;
+use std::sync::{Arc, Mutex};
-use http::Request;
+use http::{Request, Response};
use http::header::HeaderValue;
-use futures::Future;
+use futures::*;
use futures::stream::Stream;
+use std::sync::atomic::{AtomicUsize, Ordering};
+use tokio::sync::mpsc;
use serde_json::{json, Value};
use url::percent_encoding::{percent_encode, DEFAULT_ENCODE_SET};
use crate::tools::{self, BroadcastFuture, tty};
+use crate::tools::futures::{cancellable, Canceller};
+use super::pipe_to_stream::*;
+use super::merge_known_chunks::*;
+
+use crate::backup::*;
+
#[derive(Clone)]
struct AuthInfo {
impl HttpClient {
- pub fn new(server: &str, username: &str) -> Self {
+ pub fn new(server: &str, username: &str) -> Result<Self, Error> {
let client = Self::build_client();
- let login = Self::credentials(client.clone(), server, username);
- Self {
+ let password = if let Some((ticket, _token)) = load_ticket_info(server, username) {
+ ticket
+ } else {
+ Self::get_password(&username)?
+ };
+
+ let login = Self::credentials(client.clone(), server.to_owned(), username.to_owned(), password);
+
+ Ok(Self {
client,
server: String::from(server),
auth: BroadcastFuture::new(login),
- }
+ })
}
fn get_password(_username: &str) -> Result<String, Error> {
builder.danger_accept_invalid_certs(true);
let tlsconnector = builder.build().unwrap();
let mut httpc = hyper::client::HttpConnector::new(1);
+ //httpc.set_nodelay(true); // not sure if this help?
httpc.enforce_http(false); // we want https...
let mut https = hyper_tls::HttpsConnector::from((httpc, tlsconnector));
https.https_only(true); // force it!
- Client::builder().build::<_, Body>(https)
+ Client::builder()
+ //.http2_initial_stream_window_size( (1 << 31) - 2)
+ //.http2_initial_connection_window_size( (1 << 31) - 2)
+ .build::<_, Body>(https)
}
pub fn request(&self, mut req: Request<Body>) -> impl Future<Item=Value, Error=Error> {
})
}
- pub fn get(&self, path: &str) -> impl Future<Item=Value, Error=Error> {
+ pub fn get(&self, path: &str, data: Option<Value>) -> impl Future<Item=Value, Error=Error> {
- let req = Self::request_builder(&self.server, "GET", path, None).unwrap();
+ let req = Self::request_builder(&self.server, "GET", path, data).unwrap();
self.request(req)
}
- pub fn delete(&mut self, path: &str) -> impl Future<Item=Value, Error=Error> {
+ pub fn delete(&mut self, path: &str, data: Option<Value>) -> impl Future<Item=Value, Error=Error> {
- let req = Self::request_builder(&self.server, "DELETE", path, None).unwrap();
+ let req = Self::request_builder(&self.server, "DELETE", path, data).unwrap();
self.request(req)
}
self.request(req)
}
- pub fn h2upgrade(&mut self, path: &str) -> impl Future<Item=h2::client::SendRequest<bytes::Bytes>, Error=Error> {
+ pub fn start_backup(
+ &self,
+ datastore: &str,
+ backup_type: &str,
+ backup_id: &str,
+ debug: bool,
+ ) -> impl Future<Item=BackupClient, Error=Error> {
- let mut req = Self::request_builder(&self.server, "GET", path, None).unwrap();
+ let param = json!({"backup-type": backup_type, "backup-id": backup_id, "store": datastore, "debug": debug});
+ let mut req = Self::request_builder(&self.server, "GET", "/api2/json/backup", Some(param)).unwrap();
let login = self.auth.listen();
let enc_ticket = format!("PBSAuthCookie={}", percent_encode(auth.ticket.as_bytes(), DEFAULT_ENCODE_SET));
req.headers_mut().insert("Cookie", HeaderValue::from_str(&enc_ticket).unwrap());
- req.headers_mut().insert("UPGRADE", HeaderValue::from_str("proxmox-backup-protocol-h2").unwrap());
+ req.headers_mut().insert("UPGRADE", HeaderValue::from_str(PROXMOX_BACKUP_PROTOCOL_ID_V1!()).unwrap());
client.request(req)
.map_err(Error::from)
let status = resp.status();
if status != http::StatusCode::SWITCHING_PROTOCOLS {
- bail!("h2upgrade failed with status {:?}", status);
+ future::Either::A(Self::api_response(resp).and_then(|_| { bail!("unknown error"); }))
+ } else {
+ future::Either::B(resp.into_body().on_upgrade().map_err(Error::from))
}
-
- Ok(resp.into_body().on_upgrade().map_err(Error::from))
})
- .flatten()
.and_then(|upgraded| {
- println!("upgraded");
-
h2::client::handshake(upgraded).map_err(Error::from)
})
.and_then(|(h2, connection)| {
let connection = connection
.map_err(|_| panic!("HTTP/2.0 connection failed"));
+ let (connection, canceller) = cancellable(connection)?;
+ // A cancellable future returns an Option which is None when cancelled and
+ // Some when it finished instead, since we don't care about the return type we
+ // need to map it away:
+ let connection = connection.map(|_| ());
+
// Spawn a new task to drive the connection state
hyper::rt::spawn(connection);
// Wait until the `SendRequest` handle has available capacity.
- h2.ready().map_err(Error::from)
+ Ok(h2.ready()
+ .map(move |c| BackupClient::new(c, canceller))
+ .map_err(Error::from))
})
+ .flatten()
})
}
fn credentials(
client: Client<hyper_tls::HttpsConnector<hyper::client::HttpConnector>>,
- server: &str,
- username: &str,
- ) -> Box<Future<Item=AuthInfo, Error=Error> + Send> {
+ server: String,
+ username: String,
+ password: String,
+ ) -> Box<dyn Future<Item=AuthInfo, Error=Error> + Send> {
- let server = server.to_owned();
- let server2 = server.to_owned();
- let username = username.to_owned();
+ let server2 = server.clone();
let create_request = futures::future::lazy(move || {
-
- let data = if let Some((ticket, _token)) = load_ticket_info(&server, &username) {
- json!({ "username": username, "password": ticket })
- } else {
-
- let password = match Self::get_password(&username) {
- Ok(p) => p,
- Err(err) => {
- return futures::future::Either::A(futures::future::err(err));
- }
- };
-
- json!({ "username": username, "password": password })
- };
-
+ let data = json!({ "username": username, "password": password });
let req = Self::request_builder(&server, "POST", "/api2/json/access/ticket", Some(data)).unwrap();
-
- futures::future::Either::B(Self::api_request(client, req))
+ Self::api_request(client, req)
});
let login_future = create_request
Box::new(login_future)
}
+ fn api_response(response: Response<Body>) -> impl Future<Item=Value, Error=Error> {
+
+ let status = response.status();
+
+ response
+ .into_body()
+ .concat2()
+ .map_err(Error::from)
+ .and_then(move |data| {
+
+ let text = String::from_utf8(data.to_vec()).unwrap();
+ if status.is_success() {
+ if text.len() > 0 {
+ let value: Value = serde_json::from_str(&text)?;
+ Ok(value)
+ } else {
+ Ok(Value::Null)
+ }
+ } else {
+ bail!("HTTP Error {}: {}", status, text);
+ }
+ })
+ }
+
fn api_request(
client: Client<hyper_tls::HttpsConnector<hyper::client::HttpConnector>>,
req: Request<Body>
client.request(req)
.map_err(Error::from)
- .and_then(|resp| {
-
- let status = resp.status();
-
- resp
- .into_body()
- .concat2()
- .map_err(Error::from)
- .and_then(move |data| {
-
- let text = String::from_utf8(data.to_vec()).unwrap();
- if status.is_success() {
- if text.len() > 0 {
- let value: Value = serde_json::from_str(&text)?;
- Ok(value)
- } else {
- Ok(Value::Null)
- }
- } else {
- bail!("HTTP Error {}: {}", status, text);
- }
- })
- })
+ .and_then(Self::api_response)
}
pub fn request_builder(server: &str, method: &str, path: &str, data: Option<Value>) -> Result<Request<Body>, Error> {
.body(Body::from(data.to_string()))?;
return Ok(request);
} else {
- unimplemented!();
+ let query = tools::json_object_to_query(data)?;
+ let url: Uri = format!("https://{}:8007/{}?{}", server, path, query).parse()?;
+ let request = Request::builder()
+ .method(method)
+ .uri(url)
+ .header("User-Agent", "proxmox-backup-client/1.0")
+ .header(hyper::header::CONTENT_TYPE, "application/x-www-form-urlencoded")
+ .body(Body::empty())?;
+ return Ok(request);
}
-
}
let request = Request::builder()
Ok(request)
}
}
+
+//#[derive(Clone)]
+pub struct BackupClient {
+ h2: H2Client,
+ canceller: Option<Canceller>,
+}
+
+
+impl BackupClient {
+
+ pub fn new(h2: h2::client::SendRequest<bytes::Bytes>, canceller: Canceller) -> Self {
+ Self {
+ h2: H2Client::new(h2),
+ canceller: Some(canceller),
+ }
+ }
+
+ pub fn get(&self, path: &str, param: Option<Value>) -> impl Future<Item=Value, Error=Error> {
+ self.h2.get(path, param)
+ }
+
+ pub fn put(&self, path: &str, param: Option<Value>) -> impl Future<Item=Value, Error=Error> {
+ self.h2.put(path, param)
+ }
+
+ pub fn post(&self, path: &str, param: Option<Value>) -> impl Future<Item=Value, Error=Error> {
+ self.h2.post(path, param)
+ }
+
+ pub fn finish(mut self) -> impl Future<Item=(), Error=Error> {
+ let canceler = self.canceller.take().unwrap();
+ self.h2.clone().post("finish", None).map(move |_| {
+ canceler.cancel();
+ ()
+ })
+ }
+
+ pub fn force_close(mut self) {
+ self.canceller.take().unwrap().cancel();
+ }
+
+ pub fn upload_config<P: AsRef<std::path::Path>>(
+ &self,
+ src_path: P,
+ file_name: &str,
+ ) -> impl Future<Item=(), Error=Error> {
+
+ let h2 = self.h2.clone();
+ let file_name = file_name.to_owned();
+ let src_path = src_path.as_ref().to_owned();
+
+ let task = tokio::fs::File::open(src_path.clone())
+ .map_err(move |err| format_err!("unable to open file {:?} - {}", src_path, err))
+ .and_then(|file| {
+ let contents = vec![];
+ tokio::io::read_to_end(file, contents)
+ .map_err(Error::from)
+ .and_then(move |(_, contents)| {
+ let param = json!({"size": contents.len(), "file-name": file_name });
+ h2.upload("config", Some(param), contents)
+ .map(|_| {})
+ })
+ });
+
+ task
+ }
+
+ pub fn upload_stream(
+ &self,
+ archive_name: &str,
+ stream: impl Stream<Item=bytes::BytesMut, Error=Error>,
+ prefix: &str,
+ fixed_size: Option<u64>,
+ crypt_config: Option<Arc<CryptConfig>>,
+ ) -> impl Future<Item=(), Error=Error> {
+
+ let known_chunks = Arc::new(Mutex::new(HashSet::new()));
+
+ let h2 = self.h2.clone();
+ let h2_2 = self.h2.clone();
+ let h2_3 = self.h2.clone();
+ let h2_4 = self.h2.clone();
+
+ let mut param = json!({ "archive-name": archive_name });
+ if let Some(size) = fixed_size {
+ param["size"] = size.into();
+ }
+
+ let index_path = format!("{}_index", prefix);
+ let close_path = format!("{}_close", prefix);
+
+ let prefix = prefix.to_owned();
+
+ Self::download_chunk_list(h2, &index_path, archive_name, known_chunks.clone())
+ .and_then(move |_| {
+ h2_2.post(&index_path, Some(param))
+ })
+ .and_then(move |res| {
+ let wid = res.as_u64().unwrap();
+ Self::upload_chunk_info_stream(h2_3, wid, stream, &prefix, known_chunks.clone(), crypt_config)
+ .and_then(move |(chunk_count, size, _speed)| {
+ let param = json!({
+ "wid": wid ,
+ "chunk-count": chunk_count,
+ "size": size,
+ });
+ h2_4.post(&close_path, Some(param))
+ })
+ .map(|_| ())
+ })
+ }
+
+ fn response_queue() -> (
+ mpsc::Sender<h2::client::ResponseFuture>,
+ sync::oneshot::Receiver<Result<(), Error>>
+ ) {
+ let (verify_queue_tx, verify_queue_rx) = mpsc::channel(100);
+ let (verify_result_tx, verify_result_rx) = sync::oneshot::channel();
+
+ hyper::rt::spawn(
+ verify_queue_rx
+ .map_err(Error::from)
+ .for_each(|response: h2::client::ResponseFuture| {
+ response
+ .map_err(Error::from)
+ .and_then(H2Client::h2api_response)
+ .and_then(|result| {
+ println!("RESPONSE: {:?}", result);
+ Ok(())
+ })
+ .map_err(|err| format_err!("pipelined request failed: {}", err))
+ })
+ .then(|result|
+ verify_result_tx.send(result)
+ )
+ .map_err(|_| { /* ignore closed channel */ })
+ );
+
+ (verify_queue_tx, verify_result_rx)
+ }
+
+ fn append_chunk_queue(h2: H2Client, wid: u64, path: String) -> (
+ mpsc::Sender<(MergedChunkInfo, Option<h2::client::ResponseFuture>)>,
+ sync::oneshot::Receiver<Result<(), Error>>
+ ) {
+ let (verify_queue_tx, verify_queue_rx) = mpsc::channel(64);
+ let (verify_result_tx, verify_result_rx) = sync::oneshot::channel();
+
+ let h2_2 = h2.clone();
+
+ hyper::rt::spawn(
+ verify_queue_rx
+ .map_err(Error::from)
+ .and_then(move |(merged_chunk_info, response): (MergedChunkInfo, Option<h2::client::ResponseFuture>)| {
+ match (response, merged_chunk_info) {
+ (Some(response), MergedChunkInfo::Known(list)) => {
+ future::Either::A(
+ response
+ .map_err(Error::from)
+ .and_then(H2Client::h2api_response)
+ .and_then(move |_result| {
+ Ok(MergedChunkInfo::Known(list))
+ })
+ )
+ }
+ (None, MergedChunkInfo::Known(list)) => {
+ future::Either::B(future::ok(MergedChunkInfo::Known(list)))
+ }
+ _ => unreachable!(),
+ }
+ })
+ .merge_known_chunks()
+ .and_then(move |merged_chunk_info| {
+ match merged_chunk_info {
+ MergedChunkInfo::Known(chunk_list) => {
+ let mut digest_list = vec![];
+ let mut offset_list = vec![];
+ for (offset, digest) in chunk_list {
+ //println!("append chunk {} (offset {})", tools::digest_to_hex(&digest), offset);
+ digest_list.push(tools::digest_to_hex(&digest));
+ offset_list.push(offset);
+ }
+ println!("append chunks list len ({})", digest_list.len());
+ let param = json!({ "wid": wid, "digest-list": digest_list, "offset-list": offset_list });
+ let mut request = H2Client::request_builder("localhost", "PUT", &path, None).unwrap();
+ request.headers_mut().insert(hyper::header::CONTENT_TYPE, HeaderValue::from_static("application/json"));
+ let param_data = bytes::Bytes::from(param.to_string().as_bytes());
+ let upload_data = Some(param_data);
+ h2_2.send_request(request, upload_data)
+ .and_then(move |response| {
+ response
+ .map_err(Error::from)
+ .and_then(H2Client::h2api_response)
+ .and_then(|_| Ok(()))
+ })
+ .map_err(|err| format_err!("pipelined request failed: {}", err))
+ }
+ _ => unreachable!(),
+ }
+ })
+ .for_each(|_| Ok(()))
+ .then(|result|
+ verify_result_tx.send(result)
+ )
+ .map_err(|_| { /* ignore closed channel */ })
+ );
+
+ (verify_queue_tx, verify_result_rx)
+ }
+
+ fn download_chunk_list(
+ h2: H2Client,
+ path: &str,
+ archive_name: &str,
+ known_chunks: Arc<Mutex<HashSet<[u8;32]>>>,
+ ) -> impl Future<Item=(), Error=Error> {
+
+ let param = json!({ "archive-name": archive_name });
+ let request = H2Client::request_builder("localhost", "GET", path, Some(param)).unwrap();
+
+ h2.send_request(request, None)
+ .and_then(move |response| {
+ response
+ .map_err(Error::from)
+ .and_then(move |resp| {
+ let status = resp.status();
+
+ if !status.is_success() {
+ future::Either::A(H2Client::h2api_response(resp).and_then(|_| { bail!("unknown error"); }))
+ } else {
+ future::Either::B(future::ok(resp.into_body()))
+ }
+ })
+ .and_then(move |mut body| {
+
+ let mut release_capacity = body.release_capacity().clone();
+
+ DigestListDecoder::new(body.map_err(Error::from))
+ .for_each(move |chunk| {
+ let _ = release_capacity.release_capacity(chunk.len());
+ println!("GOT DOWNLOAD {}", tools::digest_to_hex(&chunk));
+ known_chunks.lock().unwrap().insert(chunk);
+ Ok(())
+ })
+ })
+ })
+ }
+
+ fn upload_chunk_info_stream(
+ h2: H2Client,
+ wid: u64,
+ stream: impl Stream<Item=bytes::BytesMut, Error=Error>,
+ prefix: &str,
+ known_chunks: Arc<Mutex<HashSet<[u8;32]>>>,
+ crypt_config: Option<Arc<CryptConfig>>,
+ ) -> impl Future<Item=(usize, usize, usize), Error=Error> {
+
+ let repeat = std::sync::Arc::new(AtomicUsize::new(0));
+ let repeat2 = repeat.clone();
+
+ let stream_len = std::sync::Arc::new(AtomicUsize::new(0));
+ let stream_len2 = stream_len.clone();
+
+ let append_chunk_path = format!("{}_index", prefix);
+ let upload_chunk_path = format!("{}_chunk", prefix);
+
+ let (upload_queue, upload_result) = Self::append_chunk_queue(h2.clone(), wid, append_chunk_path.to_owned());
+
+ let start_time = std::time::Instant::now();
+
+ stream
+ .and_then(move |data| {
+
+ let chunk_len = data.len();
+
+ repeat.fetch_add(1, Ordering::SeqCst);
+ let offset = stream_len.fetch_add(chunk_len, Ordering::SeqCst) as u64;
+
+ let mut chunk_builder = DataChunkBuilder::new(data.as_ref())
+ .compress(true);
+
+ if let Some(ref crypt_config) = crypt_config {
+ chunk_builder = chunk_builder.crypt_config(crypt_config);
+ }
+
+ let mut known_chunks = known_chunks.lock().unwrap();
+ let digest = chunk_builder.digest();
+ let chunk_is_known = known_chunks.contains(digest);
+ if chunk_is_known {
+ Ok(MergedChunkInfo::Known(vec![(offset, *digest)]))
+ } else {
+ known_chunks.insert(*digest);
+ let chunk = chunk_builder.build()?;
+ Ok(MergedChunkInfo::New(ChunkInfo { chunk, chunk_len: chunk_len as u64, offset }))
+ }
+ })
+ .merge_known_chunks()
+ .for_each(move |merged_chunk_info| {
+
+ if let MergedChunkInfo::New(chunk_info) = merged_chunk_info {
+ let offset = chunk_info.offset;
+ let digest = *chunk_info.chunk.digest();
+ let digest_str = tools::digest_to_hex(&digest);
+ let upload_queue = upload_queue.clone();
+
+ println!("upload new chunk {} ({} bytes, offset {})", digest_str,
+ chunk_info.chunk_len, offset);
+
+ let chunk_data = chunk_info.chunk.raw_data();
+ let param = json!({
+ "wid": wid,
+ "digest": digest_str,
+ "size": chunk_info.chunk_len,
+ "encoded-size": chunk_data.len(),
+ });
+
+ let request = H2Client::request_builder("localhost", "POST", &upload_chunk_path, Some(param)).unwrap();
+ let upload_data = Some(bytes::Bytes::from(chunk_data));
+
+ let new_info = MergedChunkInfo::Known(vec![(offset, digest)]);
+
+ future::Either::A(
+ h2.send_request(request, upload_data)
+ .and_then(move |response| {
+ upload_queue.clone().send((new_info, Some(response)))
+ .map(|_| ()).map_err(Error::from)
+ })
+ )
+ } else {
+
+ future::Either::B(
+ upload_queue.clone().send((merged_chunk_info, None))
+ .map(|_| ()).map_err(Error::from)
+ )
+ }
+ })
+ .then(move |result| {
+ println!("RESULT {:?}", result);
+ upload_result.map_err(Error::from).and_then(|upload1_result| {
+ Ok(upload1_result.and(result))
+ })
+ })
+ .flatten()
+ .and_then(move |_| {
+ let repeat = repeat2.load(Ordering::SeqCst);
+ let stream_len = stream_len2.load(Ordering::SeqCst);
+ let speed = ((stream_len*1000000)/(1024*1024))/(start_time.elapsed().as_micros() as usize);
+ println!("Uploaded {} chunks in {} seconds ({} MB/s).", repeat, start_time.elapsed().as_secs(), speed);
+ if repeat > 0 {
+ println!("Average chunk size was {} bytes.", stream_len/repeat);
+ println!("Time per request: {} microseconds.", (start_time.elapsed().as_micros())/(repeat as u128));
+ }
+ Ok((repeat, stream_len, speed))
+ })
+ }
+
+ pub fn upload_speedtest(&self) -> impl Future<Item=usize, Error=Error> {
+
+ let mut data = vec![];
+ // generate pseudo random byte sequence
+ for i in 0..1024*1024 {
+ for j in 0..4 {
+ let byte = ((i >> (j<<3))&0xff) as u8;
+ data.push(byte);
+ }
+ }
+
+ let item_len = data.len();
+
+ let repeat = std::sync::Arc::new(AtomicUsize::new(0));
+ let repeat2 = repeat.clone();
+
+ let (upload_queue, upload_result) = Self::response_queue();
+
+ let start_time = std::time::Instant::now();
+
+ let h2 = self.h2.clone();
+
+ futures::stream::repeat(data)
+ .take_while(move |_| {
+ repeat.fetch_add(1, Ordering::SeqCst);
+ Ok(start_time.elapsed().as_secs() < 5)
+ })
+ .for_each(move |data| {
+ let h2 = h2.clone();
+
+ let upload_queue = upload_queue.clone();
+
+ println!("send test data ({} bytes)", data.len());
+ let request = H2Client::request_builder("localhost", "POST", "speedtest", None).unwrap();
+ h2.send_request(request, Some(bytes::Bytes::from(data)))
+ .and_then(move |response| {
+ upload_queue.send(response)
+ .map(|_| ()).map_err(Error::from)
+ })
+ })
+ .then(move |result| {
+ println!("RESULT {:?}", result);
+ upload_result.map_err(Error::from).and_then(|upload1_result| {
+ Ok(upload1_result.and(result))
+ })
+ })
+ .flatten()
+ .and_then(move |_| {
+ let repeat = repeat2.load(Ordering::SeqCst);
+ println!("Uploaded {} chunks in {} seconds.", repeat, start_time.elapsed().as_secs());
+ let speed = ((item_len*1000000*(repeat as usize))/(1024*1024))/(start_time.elapsed().as_micros() as usize);
+ if repeat > 0 {
+ println!("Time per request: {} microseconds.", (start_time.elapsed().as_micros())/(repeat as u128));
+ }
+ Ok(speed)
+ })
+ }
+}
+
+#[derive(Clone)]
+pub struct H2Client {
+ h2: h2::client::SendRequest<bytes::Bytes>,
+}
+
+impl H2Client {
+
+ pub fn new(h2: h2::client::SendRequest<bytes::Bytes>) -> Self {
+ Self { h2 }
+ }
+
+ pub fn get(&self, path: &str, param: Option<Value>) -> impl Future<Item=Value, Error=Error> {
+ let req = Self::request_builder("localhost", "GET", path, param).unwrap();
+ self.request(req)
+ }
+
+ pub fn put(&self, path: &str, param: Option<Value>) -> impl Future<Item=Value, Error=Error> {
+ let req = Self::request_builder("localhost", "PUT", path, param).unwrap();
+ self.request(req)
+ }
+
+ pub fn post(&self, path: &str, param: Option<Value>) -> impl Future<Item=Value, Error=Error> {
+ let req = Self::request_builder("localhost", "POST", path, param).unwrap();
+ self.request(req)
+ }
+
+ pub fn upload(&self, path: &str, param: Option<Value>, data: Vec<u8>) -> impl Future<Item=Value, Error=Error> {
+ let request = Self::request_builder("localhost", "POST", path, param).unwrap();
+
+
+ self.h2.clone()
+ .ready()
+ .map_err(Error::from)
+ .and_then(move |mut send_request| {
+ let (response, stream) = send_request.send_request(request, false).unwrap();
+ PipeToSendStream::new(bytes::Bytes::from(data), stream)
+ .and_then(|_| {
+ response
+ .map_err(Error::from)
+ .and_then(Self::h2api_response)
+ })
+ })
+ }
+
+ fn request(
+ &self,
+ request: Request<()>,
+ ) -> impl Future<Item=Value, Error=Error> {
+
+ self.send_request(request, None)
+ .and_then(move |response| {
+ response
+ .map_err(Error::from)
+ .and_then(Self::h2api_response)
+ })
+ }
+
+ fn send_request(
+ &self,
+ request: Request<()>,
+ data: Option<bytes::Bytes>,
+ ) -> impl Future<Item=h2::client::ResponseFuture, Error=Error> {
+
+ self.h2.clone()
+ .ready()
+ .map_err(Error::from)
+ .and_then(move |mut send_request| {
+ if let Some(data) = data {
+ let (response, stream) = send_request.send_request(request, false).unwrap();
+ future::Either::A(PipeToSendStream::new(data, stream)
+ .and_then(move |_| {
+ future::ok(response)
+ }))
+ } else {
+ let (response, _stream) = send_request.send_request(request, true).unwrap();
+ future::Either::B(future::ok(response))
+ }
+ })
+ }
+
+ fn h2api_response(response: Response<h2::RecvStream>) -> impl Future<Item=Value, Error=Error> {
+
+ let status = response.status();
+
+ let (_head, mut body) = response.into_parts();
+
+ // The `release_capacity` handle allows the caller to manage
+ // flow control.
+ //
+ // Whenever data is received, the caller is responsible for
+ // releasing capacity back to the server once it has freed
+ // the data from memory.
+ let mut release_capacity = body.release_capacity().clone();
+
+ body
+ .map(move |chunk| {
+ // Let the server send more data.
+ let _ = release_capacity.release_capacity(chunk.len());
+ chunk
+ })
+ .concat2()
+ .map_err(Error::from)
+ .and_then(move |data| {
+ let text = String::from_utf8(data.to_vec()).unwrap();
+ if status.is_success() {
+ if text.len() > 0 {
+ let mut value: Value = serde_json::from_str(&text)?;
+ if let Some(map) = value.as_object_mut() {
+ if let Some(data) = map.remove("data") {
+ return Ok(data);
+ }
+ }
+ bail!("got result without data property");
+ } else {
+ Ok(Value::Null)
+ }
+ } else {
+ bail!("HTTP Error {}: {}", status, text);
+ }
+ })
+ }
+
+ // Note: We always encode parameters with the url
+ pub fn request_builder(server: &str, method: &str, path: &str, data: Option<Value>) -> Result<Request<()>, Error> {
+ let path = path.trim_matches('/');
+
+ if let Some(data) = data {
+ let query = tools::json_object_to_query(data)?;
+ // We detected problem with hyper around 6000 characters - seo we try to keep on the safe side
+ if query.len() > 4096 { bail!("h2 query data too large ({} bytes) - please encode data inside body", query.len()); }
+ let url: Uri = format!("https://{}:8007/{}?{}", server, path, query).parse()?;
+ let request = Request::builder()
+ .method(method)
+ .uri(url)
+ .header("User-Agent", "proxmox-backup-client/1.0")
+ .header(hyper::header::CONTENT_TYPE, "application/x-www-form-urlencoded")
+ .body(())?;
+ return Ok(request);
+ } else {
+ let url: Uri = format!("https://{}:8007/{}", server, path).parse()?;
+ let request = Request::builder()
+ .method(method)
+ .uri(url)
+ .header("User-Agent", "proxmox-backup-client/1.0")
+ .header(hyper::header::CONTENT_TYPE, "application/x-www-form-urlencoded")
+ .body(())?;
+
+ Ok(request)
+ }
+ }
+}
projects / proxmox-backup.git / blobdiff