Add into_inner() for HTTP client and server

This adds the into_inner() function to the stream type, allowing
the HTTP/1.1 client and server to be turned back into a stream.

These functions are useful for implementing HTTP CONNECT or
HTTP Upgrade.

pingora-core/src/protocols/http/v1/client.rs

@@ -664,6 +664,13 @@ impl HttpSession {
  pub fn stream(&self) -> &Stream {
  &self.underlying_stream
  }
+
+ /// Consume `self`, the underlying [Stream] will be returned and can be used
+ /// directly, for example, in the case of HTTP upgrade. It is not flushed
+ /// prior to being returned.
+ pub fn into_inner(self) -> Stream {
+ self.underlying_stream
+ }
 }
 
 #[inline]

pingora-core/src/protocols/http/v1/server.rs

@@ -1010,6 +1010,13 @@ impl HttpSession {
  pub fn stream(&self) -> &Stream {
  &self.underlying_stream
  }
+
+ /// Consume `self`, the underlying stream will be returned and can be used
+ /// directly, for example, in the case of HTTP upgrade. The stream is not
+ /// flushed prior to being returned.
+ pub fn into_inner(self) -> Stream {
+ self.underlying_stream
+ }
 }
 
 // Regex to parse request line that has illegal chars in it