feat(ext/http): h2c for http/2 (#18817)

This implements HTTP/2 prior-knowledge connections, allowing clients to
request HTTP/2 over plaintext or TLS-without-ALPN connections. If a
client requests a specific protocol via ALPN (`h2` or `http/1.1`),
however, the protocol is forced and must be used.

1 files changed, 19 insertions, 0 deletions

diff --git a/ext/net/raw.rs b/ext/net/raw.rs
index 74cc10d63..3b50af41e 100644
--- a/ext/net/raw.rs
+++ b/ext/net/raw.rs
@@ -30,6 +30,25 @@ pub enum NetworkStream {
   Unix(#[pin] UnixStream),
 }
 
+impl From<TcpStream> for NetworkStream {
+  fn from(value: TcpStream) -> Self {
+    NetworkStream::Tcp(value)
+  }
+}
+
+impl From<TlsStream> for NetworkStream {
+  fn from(value: TlsStream) -> Self {
+    NetworkStream::Tls(value)
+  }
+}
+
+#[cfg(unix)]
+impl From<UnixStream> for NetworkStream {
+  fn from(value: UnixStream) -> Self {
+    NetworkStream::Unix(value)
+  }
+}
+
 /// A raw stream of one of the types handled by this extension.
 #[derive(Copy, Clone, PartialEq, Eq)]
 pub enum NetworkStreamType {