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Add ClientBuilder::h2_prior_knowlege() (#443)

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resolves https://github.com/seanmonstar/reqwest/issues/413
This commit is contained in:
Evan Schwartz
2019-01-18 17:15:57 -05:00
committed by Sean McArthur
parent 021851afd4
commit 6e8e781f8f
2 changed files with 34 additions and 6 deletions
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27
src/async_impl/client.rs
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@@ -75,6 +75,7 @@ struct Config {
identity: Option<Identity>,
#[cfg(feature = "tls")]
tls: TlsBackend,
http2_only: bool,
}
impl ClientBuilder {
@@ -104,6 +105,7 @@ impl ClientBuilder {
identity: None,
#[cfg(feature = "tls")]
tls: TlsBackend::default(),
http2_only: false,
},
}
}
@@ -142,10 +144,14 @@ impl ClientBuilder {
use ::tls::NoVerifier;
let mut tls = ::rustls::ClientConfig::new();
tls.set_protocols(&[
"h2".into(),
"http/1.1".into(),
]);
if config.http2_only {
tls.set_protocols(&["h2".into()]);
} else {
tls.set_protocols(&[
"h2".into(),
"http/1.1".into(),
]);
}
tls.root_store.add_server_trust_anchors(&webpki_roots::TLS_SERVER_ROOTS);
if !config.certs_verification {
@@ -168,8 +174,11 @@ impl ClientBuilder {
Connector::new(proxies.clone())?
};
let hyper_client = ::hyper::Client::builder()
.build(connector);
let mut builder = ::hyper::Client::builder();
if config.http2_only {
builder.http2_only(true);
}
let hyper_client = builder.build(connector);
let proxies_maybe_http_auth = proxies
.iter()
@@ -305,6 +314,12 @@ impl ClientBuilder {
self
}
/// Only use HTTP/2.
pub fn h2_prior_knowledge(mut self) -> ClientBuilder {
self.config.http2_only = true;
self
}
#[doc(hidden)]
#[deprecated(note = "DNS no longer uses blocking threads")]
pub fn dns_threads(self, _threads: usize) -> ClientBuilder {