change handling of maximum capable request number, max streams
This commit is contained in:
Jun Kurihara
parent
548fb77c31
commit
36c8ebcb54
12 changed files with 138 additions and 89 deletions
11
Cargo.toml
11
Cargo.toml
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@ -1,5 +1,5 @@
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[package]
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name = "rust-rpxy"
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name = "rpxy"
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version = "0.1.0"
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authors = ["Jun Kurihara"]
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homepage = "https://github.com/junkurihara/rust-rpxy"
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@ -17,7 +17,7 @@ h3 = ["quinn"]
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[dependencies]
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anyhow = "1.0.58"
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clap = { version = "3.2.10", features = ["std", "cargo", "wrap_help"] }
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clap = { version = "3.2.13", features = ["std", "cargo", "wrap_help"] }
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env_logger = "0.9.0"
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futures = "0.3.21"
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hyper = { version = "0.14.20", default-features = false, features = [
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@ -27,7 +27,7 @@ hyper = { version = "0.14.20", default-features = false, features = [
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"stream",
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] }
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log = "0.4.17"
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tokio = { version = "1.19.2", default-features = false, features = [
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tokio = { version = "1.20.0", default-features = false, features = [
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"net",
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"rt-multi-thread",
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"parking_lot",
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@ -51,9 +51,10 @@ hyper-rustls = { version = "0.23.0", default-features = false, features = [
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quinn = { version = "0.8.3", optional = true }
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h3 = { git = "https://github.com/hyperium/h3.git" }
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h3-quinn = { git = "https://github.com/hyperium/h3.git" }
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bytes = "1.1.0"
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mimalloc-rust = "0.2.0"
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bytes = "1.2.0"
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[target.'cfg(not(target_env = "msvc"))'.dependencies]
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tikv-jemallocator = "0.5.0"
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[dev-dependencies]
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@ -10,8 +10,10 @@
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listen_port = 8080
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listen_port_tls = 8443
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# Optional
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max_concurrent_streams = 128
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# Optional for h2 and http1.1
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max_concurrent_streams = 100
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# Optional. Counted in total for http1.1, 2, 3
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max_clients = 512
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# Optional: Listen [::]
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@ -65,5 +67,11 @@ reverse_proxy = [{ upstream = [{ location = 'www.google.com', tls = true }] }]
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# Experimantal settings #
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###################################
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[experimental]
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h3 = true
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ignore_sni_consistency = false # Higly recommend not to be true. If true, you ignore RFC.
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ignore_sni_consistency = false # Higly recommend not to be true. If true, you ignore RFC. if not specified, it is always false.
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[experimenta.h3] # If this specified, h3 is enabled
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alt_svc_max_age = 3600 # sec
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request_max_body_size = 65536 # bytes
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max_concurrent_connections = 10000
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max_concurrent_bidistream = 100
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max_concurrent_unistream = 100
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@ -157,16 +157,29 @@ pub fn parse_opts(globals: &mut Globals) -> Result<()> {
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// experimental
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if let Some(exp) = config.experimental {
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if let Some(b) = exp.h3 {
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globals.http3 = b;
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if b {
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info!("Experimental HTTP/3.0 is enabled. Note it is still very unstable.")
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if let Some(h3option) = exp.h3 {
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globals.http3 = true;
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info!("Experimental HTTP/3.0 is enabled. Note it is still very unstable.");
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if let Some(x) = h3option.alt_svc_max_age {
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globals.h3_alt_svc_max_age = x;
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}
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if let Some(x) = h3option.request_max_body_size {
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globals.h3_request_max_body_size = x;
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}
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if let Some(x) = h3option.max_concurrent_connections {
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globals.h3_max_concurrent_connections = x;
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}
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if let Some(x) = h3option.max_concurrent_bidistream {
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globals.h3_max_concurrent_bidistream = x.into();
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}
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if let Some(x) = h3option.max_concurrent_unistream {
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globals.h3_max_concurrent_unistream = x.into();
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}
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}
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if let Some(b) = exp.ignore_sni_consistency {
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globals.sni_consistency = !b;
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if b {
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info!("Ignore consistency between TLS SNI and Host header (or Request line). Note it violates RFC.")
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info!("Ignore consistency between TLS SNI and Host header (or Request line). Note it violates RFC.");
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}
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}
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}
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@ -15,9 +15,18 @@ pub struct ConfigToml {
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pub experimental: Option<Experimental>,
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}
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#[derive(Deserialize, Debug, Default)]
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pub struct Http3Option {
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pub alt_svc_max_age: Option<u32>,
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pub request_max_body_size: Option<usize>,
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pub max_concurrent_connections: Option<u32>,
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pub max_concurrent_bidistream: Option<u32>,
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pub max_concurrent_unistream: Option<u32>,
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}
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#[derive(Deserialize, Debug, Default)]
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pub struct Experimental {
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pub h3: Option<bool>,
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pub h3: Option<Http3Option>,
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pub ignore_sni_consistency: Option<bool>,
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}
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@ -5,17 +5,21 @@ pub const LISTEN_ADDRESSES_V6: &[&str] = &["[::]"];
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pub const PROXY_TIMEOUT_SEC: u64 = 60;
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pub const UPSTREAM_TIMEOUT_SEC: u64 = 60;
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pub const MAX_CLIENTS: usize = 512;
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pub const MAX_CONCURRENT_STREAMS: u32 = 32;
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pub const MAX_CONCURRENT_STREAMS: u32 = 64;
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// #[cfg(feature = "tls")]
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pub const CERTS_WATCH_DELAY_SECS: u32 = 30;
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#[cfg(feature = "h3")]
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pub const H3_ALT_SVC_MAX_AGE: u32 = 3600;
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// #[cfg(feature = "h3")]
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// pub const H3_RESPONSE_BUF_SIZE: usize = 65_536; // 64KB
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// #[cfg(feature = "h3")]
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// pub const H3_REQUEST_BUF_SIZE: usize = 65_536; // 64KB // handled by quinn
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#[allow(non_snake_case)]
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#[cfg(feature = "h3")]
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pub const H3_REQUEST_MAX_BODY_SIZE: usize = 268_435_456; // 256MB
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pub mod H3 {
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pub const ALT_SVC_MAX_AGE: u32 = 3600;
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pub const REQUEST_MAX_BODY_SIZE: usize = 268_435_456; // 256MB
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pub const MAX_CONCURRENT_CONNECTIONS: u32 = 4096;
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pub const MAX_CONCURRENT_BIDISTREAM: u32 = 64;
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pub const MAX_CONCURRENT_UNISTREAM: u32 = 64;
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}
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@ -15,21 +15,27 @@ pub struct Globals {
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pub upstream_timeout: Duration,
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pub max_clients: usize,
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pub clients_count: ClientsCount,
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pub request_count: RequestCount,
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pub max_concurrent_streams: u32,
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pub keepalive: bool,
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pub http3: bool,
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pub sni_consistency: bool,
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pub runtime_handle: tokio::runtime::Handle,
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pub backends: Backends,
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// experimentals
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pub sni_consistency: bool,
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pub http3: bool,
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pub h3_alt_svc_max_age: u32,
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pub h3_request_max_body_size: usize,
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pub h3_max_concurrent_bidistream: quinn::VarInt,
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pub h3_max_concurrent_unistream: quinn::VarInt,
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pub h3_max_concurrent_connections: u32,
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}
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#[derive(Debug, Clone, Default)]
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pub struct ClientsCount(Arc<AtomicUsize>);
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pub struct RequestCount(Arc<AtomicUsize>);
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impl ClientsCount {
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impl RequestCount {
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pub fn current(&self) -> usize {
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self.0.load(Ordering::Relaxed)
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}
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@ -1,8 +1,6 @@
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use std::net::SocketAddr;
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pub use log::{debug, error, info, warn};
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use crate::utils::ToCanonical;
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pub use log::{debug, error, info, warn, Level};
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use std::net::SocketAddr;
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#[derive(Debug, Clone)]
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pub struct MessageLog {
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41
src/main.rs
41
src/main.rs
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@ -1,6 +1,9 @@
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use mimalloc_rust::*;
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#[cfg(not(target_env = "msvc"))]
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use tikv_jemallocator::Jemalloc;
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#[cfg(not(target_env = "msvc"))]
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#[global_allocator]
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static GLOBAL_MIMALLOC: GlobalMiMalloc = GlobalMiMalloc;
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static GLOBAL: Jemalloc = Jemalloc;
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mod backend;
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mod backend_opt;
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@ -33,18 +36,16 @@ use tokio::time::Duration;
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fn main() {
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// env::set_var("RUST_LOG", "info");
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env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info"))
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.format(|buf, record| {
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.format(|buf, rec| {
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let ts = buf.timestamp();
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writeln!(
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buf,
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"{} [{}] {}",
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ts,
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record.level(),
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// record.target(),
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record.args(),
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// record.file().unwrap_or("unknown"),
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// record.line().unwrap_or(0),
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)
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match rec.level() {
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log::Level::Debug => {
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writeln!(buf, "{} [{}] {} ({})", ts, rec.level(), rec.args(), rec.target(),)
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}
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_ => {
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writeln!(buf, "{} [{}] {}", ts, rec.level(), rec.args(),)
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}
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}
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})
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.init();
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info!("Start http (reverse) proxy");
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@ -59,23 +60,29 @@ fn main() {
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listen_sockets: Vec::new(),
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http_port: None,
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https_port: None,
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http3: false,
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sni_consistency: true,
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// TODO: Reconsider each timeout values
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proxy_timeout: Duration::from_secs(PROXY_TIMEOUT_SEC),
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upstream_timeout: Duration::from_secs(UPSTREAM_TIMEOUT_SEC),
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max_clients: MAX_CLIENTS,
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clients_count: Default::default(),
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request_count: Default::default(),
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max_concurrent_streams: MAX_CONCURRENT_STREAMS,
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keepalive: true,
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runtime_handle: runtime.handle().clone(),
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runtime_handle: runtime.handle().clone(),
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backends: Backends {
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default_server_name: None,
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apps: HashMap::<ServerNameLC, Backend>::default(),
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},
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sni_consistency: true,
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http3: false,
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h3_alt_svc_max_age: H3::ALT_SVC_MAX_AGE,
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h3_request_max_body_size: H3::REQUEST_MAX_BODY_SIZE,
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h3_max_concurrent_connections: H3::MAX_CONCURRENT_CONNECTIONS,
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h3_max_concurrent_bidistream: H3::MAX_CONCURRENT_BIDISTREAM.into(),
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h3_max_concurrent_unistream: H3::MAX_CONCURRENT_UNISTREAM.into(),
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};
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if let Err(e) = parse_opts(&mut globals) {
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@ -2,7 +2,6 @@
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use super::{utils_headers::*, utils_request::*, utils_response::ResLog, utils_synth_response::*};
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use crate::{
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backend::{ServerNameLC, Upstream},
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constants::*,
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error::*,
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globals::Globals,
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log::*,
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@ -229,7 +228,7 @@ where
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header::ALT_SVC.as_str(),
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format!(
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"h3=\":{}\"; ma={}, h3-29=\":{}\"; ma={}",
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port, H3_ALT_SVC_MAX_AGE, port, H3_ALT_SVC_MAX_AGE
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port, self.globals.h3_alt_svc_max_age, port, self.globals.h3_alt_svc_max_age
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),
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)?;
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}
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@ -1,5 +1,5 @@
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use super::Proxy;
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use crate::{backend::ServerNameLC, constants::*, error::*, log::*};
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use crate::{backend::ServerNameLC, error::*, log::*};
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use bytes::{Buf, Bytes};
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use h3::{quic::BidiStream, server::RequestStream};
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use hyper::{client::connect::Connect, Body, Request, Response};
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@ -10,12 +10,7 @@ impl<T> Proxy<T>
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where
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T: Connect + Clone + Sync + Send + 'static,
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{
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pub(super) fn client_serve_h3(&self, conn: quinn::Connecting, tls_server_name: &[u8]) {
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let clients_count = self.globals.clients_count.clone();
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if clients_count.increment() > self.globals.max_clients {
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clients_count.decrement();
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return;
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}
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pub(super) fn connection_serve_h3(&self, conn: quinn::Connecting, tls_server_name: &[u8]) {
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let fut = self
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.clone()
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.handle_connection_h3(conn, tls_server_name.to_vec());
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@ -24,8 +19,6 @@ where
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if let Err(e) = fut.await {
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warn!("QUIC or HTTP/3 connection failed: {}", e)
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}
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clients_count.decrement();
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debug!("Client #: {}", clients_count.current());
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});
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}
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@ -45,40 +38,37 @@ where
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"QUIC/HTTP3 connection established from {:?} {:?}",
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client_addr, tls_server_name
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);
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// Does this work enough?
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// while let Some((req, stream)) = h3_conn
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// .accept()
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// .await
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// .map_err(|e| anyhow!("HTTP/3 accept failed: {}", e))?
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// TODO: Is here enough to fetch server_name from NewConnection?
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// to avoid deep nested call from listener_service_h3
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while let Some((req, stream)) = match h3_conn.accept().await {
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Ok(opt_req) => opt_req,
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Err(e) => {
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warn!(
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"HTTP/3 failed to accept incoming connection (likely timeout): {}",
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e
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);
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warn!("HTTP/3 failed to accept incoming connection: {}", e);
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return Ok(h3_conn.shutdown(0).await?);
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}
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} {
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debug!(
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"HTTP/3 new request from {}: {} {}",
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client_addr,
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req.method(),
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req.uri()
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);
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// We consider the connection count separately from the stream count.
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// Max clients for h1/h2 = max 'stream' for h3.
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let request_count = self.globals.request_count.clone();
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if request_count.increment() > self.globals.max_clients {
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request_count.decrement();
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return Ok(h3_conn.shutdown(0).await?);
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}
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debug!("Request incoming: current # {}", request_count.current());
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let self_inner = self.clone();
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let tls_server_name_inner = tls_server_name.clone();
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self.globals.runtime_handle.spawn(async move {
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if let Err(e) = timeout(
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self_inner.globals.proxy_timeout + Duration::from_secs(1), // timeout per stream are considered as same as one in http2
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self_inner.handle_stream_h3(req, stream, client_addr, tls_server_name_inner),
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self_inner.stream_serve_h3(req, stream, client_addr, tls_server_name_inner),
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)
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.await
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{
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error!("HTTP/3 failed to process stream: {}", e);
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}
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request_count.decrement();
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debug!("Request processed: current # {}", request_count.current());
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});
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}
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}
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@ -91,7 +81,7 @@ where
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Ok(())
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}
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async fn handle_stream_h3<S>(
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async fn stream_serve_h3<S>(
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self,
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req: Request<()>,
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stream: RequestStream<S, Bytes>,
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@ -111,13 +101,14 @@ where
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// Buffering and sending body through channel for protocol conversion like h3 -> h2/http1.1
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// The underling buffering, i.e., buffer given by the API recv_data.await?, is handled by quinn.
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let max_body_size = self.globals.h3_request_max_body_size;
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self.globals.runtime_handle.spawn(async move {
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let mut sender = body_sender;
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let mut size = 0usize;
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while let Some(mut body) = recv_stream.recv_data().await? {
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debug!("HTTP/3 incoming request body");
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size += body.remaining();
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if size > H3_REQUEST_MAX_BODY_SIZE {
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if size > max_body_size {
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error!("Exceeds max request body size for HTTP/3");
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return Err(anyhow!("Exceeds max request body size for HTTP/3"));
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}
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|
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@ -56,11 +56,12 @@ where
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) where
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I: AsyncRead + AsyncWrite + Send + Unpin + 'static,
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{
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let clients_count = self.globals.clients_count.clone();
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if clients_count.increment() > self.globals.max_clients {
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clients_count.decrement();
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let request_count = self.globals.request_count.clone();
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if request_count.increment() > self.globals.max_clients {
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request_count.decrement();
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return;
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}
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debug!("Request incoming: current # {}", request_count.current());
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// let inner = tls_server_name.map_or_else(|| None, |v| Some(v.as_bytes().to_ascii_lowercase()));
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self.globals.runtime_handle.clone().spawn(async move {
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@ -84,8 +85,8 @@ where
|
|||
.await
|
||||
.ok();
|
||||
|
||||
clients_count.decrement();
|
||||
debug!("Client #: {}", clients_count.current());
|
||||
request_count.decrement();
|
||||
debug!("Request processed: current # {}", request_count.current());
|
||||
});
|
||||
}
|
||||
|
||||
|
|
|
|||
|
|
@ -6,7 +6,11 @@ use futures::{future::FutureExt, select};
|
|||
use hyper::{client::connect::Connect, server::conn::Http};
|
||||
use rustls::ServerConfig;
|
||||
use std::sync::Arc;
|
||||
use tokio::{net::TcpListener, sync::watch, time::Duration};
|
||||
use tokio::{
|
||||
net::TcpListener,
|
||||
sync::watch,
|
||||
time::{sleep, Duration},
|
||||
};
|
||||
use tokio_rustls::TlsAcceptor;
|
||||
|
||||
impl<T> Proxy<T>
|
||||
|
|
@ -29,7 +33,7 @@ where
|
|||
} else {
|
||||
error!("Failed to update certs");
|
||||
}
|
||||
tokio::time::sleep(Duration::from_secs(CERTS_WATCH_DELAY_SECS.into())).await;
|
||||
sleep(Duration::from_secs(CERTS_WATCH_DELAY_SECS.into())).await;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -50,8 +54,7 @@ where
|
|||
if tls_acceptor.is_none() || tcp_cnx.is_err() {
|
||||
continue;
|
||||
}
|
||||
|
||||
let (raw_stream, _client_addr) = tcp_cnx.unwrap();
|
||||
let (raw_stream, client_addr) = tcp_cnx.unwrap();
|
||||
|
||||
if let Ok(stream) = tls_acceptor.as_ref().unwrap().accept(raw_stream).await {
|
||||
// Retrieve SNI
|
||||
|
|
@ -62,7 +65,7 @@ where
|
|||
if server_name.is_none(){
|
||||
continue;
|
||||
}
|
||||
self.clone().client_serve(stream, server.clone(), _client_addr, server_name); // TODO: don't want to pass copied value...
|
||||
self.clone().client_serve(stream, server.clone(), client_addr, server_name); // TODO: don't want to pass copied value...
|
||||
}
|
||||
}
|
||||
_ = server_crypto_rx.changed().fuse() => {
|
||||
|
|
@ -83,13 +86,20 @@ where
|
|||
&self,
|
||||
mut server_crypto_rx: watch::Receiver<Option<Arc<ServerConfig>>>,
|
||||
) -> Result<()> {
|
||||
let mut transport_config_quic = quinn::TransportConfig::default();
|
||||
transport_config_quic
|
||||
.max_concurrent_bidi_streams(self.globals.h3_max_concurrent_bidistream)
|
||||
.max_concurrent_uni_streams(self.globals.h3_max_concurrent_unistream);
|
||||
|
||||
let server_crypto = self
|
||||
.globals
|
||||
.backends
|
||||
.generate_server_crypto_with_cert_resolver()
|
||||
.await?;
|
||||
|
||||
let server_config_h3 = quinn::ServerConfig::with_crypto(Arc::new(server_crypto));
|
||||
let mut server_config_h3 = quinn::ServerConfig::with_crypto(Arc::new(server_crypto));
|
||||
server_config_h3.transport = Arc::new(transport_config_quic);
|
||||
server_config_h3.concurrent_connections(self.globals.h3_max_concurrent_connections);
|
||||
let (endpoint, mut incoming) = quinn::Endpoint::server(server_config_h3, self.listening_on)?;
|
||||
info!("Start UDP proxy serving with HTTP/3 request for configured host names");
|
||||
|
||||
|
|
@ -121,7 +131,9 @@ where
|
|||
"HTTP/3 connection incoming (SNI {:?})",
|
||||
new_server_name
|
||||
);
|
||||
self.clone().client_serve_h3(conn, new_server_name.as_ref());
|
||||
// TODO: server_nameをここで出してどんどん深く投げていくのは効率が悪い。connecting -> connectionsの後でいいのでは？
|
||||
// TODO: 通常のTLSと同じenumか何かにまとめたい
|
||||
self.clone().connection_serve_h3(conn, new_server_name.as_ref());
|
||||
}
|
||||
_ = server_crypto_rx.changed().fuse() => {
|
||||
if server_crypto_rx.borrow().is_none() {
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue