split NetworkStream::connect to NetworkConnector

src/client/request.rs

@@ -6,7 +6,7 @@ use url::Url;
 use method::{mod, Get, Post, Delete, Put, Patch, Head, Options};
 use header::Headers;
 use header::common::{mod, Host};
-use net::{NetworkStream, HttpStream, Fresh, Streaming};
+use net::{NetworkStream, NetworkConnector, HttpStream, Fresh, Streaming};
 use http::{HttpWriter, ThroughWriter, ChunkedWriter, SizedWriter, LINE_ENDING};
 use version;
 use {HttpResult, HttpUriError};
@@ -43,7 +43,7 @@ impl Request<Fresh> {
     }
 
     /// Create a new client request with a specific underlying NetworkStream.
-    pub fn with_stream<S: NetworkStream>(method: method::Method, url: Url) -> HttpResult<Request<Fresh>> {
+    pub fn with_stream<S: NetworkConnector>(method: method::Method, url: Url) -> HttpResult<Request<Fresh>> {
         debug!("{} {}", method, url);
         let host = match url.serialize_host() {
             Some(host) => host,
@@ -56,8 +56,8 @@ impl Request<Fresh> {
         };
         debug!("port={}", port);
 
-        let stream: S = try_io!(NetworkStream::connect(host.as_slice(), port, url.scheme.as_slice()));
+        let stream: S = try_io!(NetworkConnector::connect(host.as_slice(), port, url.scheme.as_slice()));
-        let stream = ThroughWriter(BufferedWriter::new(stream.dynamic()));
+        let stream = ThroughWriter(BufferedWriter::new(box stream as Box<NetworkStream + Send>));
 
         let mut headers = Headers::new();
         headers.set(Host {

src/client/response.rs

@@ -25,7 +25,7 @@ impl Response {
 
     /// Creates a new response from a server.
     pub fn new(stream: Box<NetworkStream + Send>) -> HttpResult<Response> {
-        let mut stream = BufferedReader::new(stream.dynamic());
+        let mut stream = BufferedReader::new(stream);
         let (version, status) = try!(read_status_line(&mut stream));
         let headers = try!(header::Headers::from_raw(&mut stream));
 

src/header/mod.rs

@@ -408,7 +408,7 @@ mod tests {
     use std::hash::sip::hash;
     use mime::{Mime, Text, Plain};
     use super::CaseInsensitive;
-    use super::{Headers, Header};
+    use super::{Headers, Header, HeaderFormat};
     use super::common::{ContentLength, ContentType, Accept, Host};
 
     fn mem(s: &str) -> MemReader {

src/mock.rs

@@ -1,7 +1,7 @@
 use std::io::IoResult;
 use std::io::net::ip::SocketAddr;
 
-use net::NetworkStream;
+use net::{NetworkStream, NetworkConnector};
 
 #[deriving(Clone, PartialEq, Show)]
 pub struct MockStream;
@@ -19,11 +19,14 @@ impl Writer for MockStream {
 }
 
 impl NetworkStream for MockStream {
-    fn connect(_host: &str, _port: u16, _scheme: &str) -> IoResult<MockStream> {
-        Ok(MockStream)
-    }
 
     fn peer_name(&mut self) -> IoResult<SocketAddr> {
         Ok(from_str("127.0.0.1:1337").unwrap())
     }
 }
+
+impl NetworkConnector for MockStream {
+    fn connect(_host: &str, _port: u16, _scheme: &str) -> IoResult<MockStream> {
+        Ok(MockStream)
+    }
+}

src/net.rs

@@ -45,19 +45,15 @@ pub trait NetworkStream: Stream + Any + Clone + Send {
     /// Get the remote address of the underlying connection.
     fn peer_name(&mut self) -> IoResult<SocketAddr>;
 
-    /// Connect to a remote address.
-    fn connect(host: &str, Port, scheme: &str) -> IoResult<Self>;
-
-    /// Turn this into an appropriately typed trait object.
-    #[inline]
-    fn dynamic(self) -> Box<NetworkStream + Send> {
-        box self as Box<NetworkStream + Send>
-    }
-
     #[doc(hidden)]
     #[inline]
-    // Hack to work around lack of Clone impl for Box<Clone>
+    fn clone_box(&self) -> Box<NetworkStream + Send> { box self.clone() }
-    fn clone_box(&self) -> Box<NetworkStream + Send> { self.clone().dynamic() }
+}
+
+/// A connector creates a NetworkStream.
+pub trait NetworkConnector: NetworkStream {
+    /// Connect to a remote address.
+    fn connect(host: &str, Port, scheme: &str) -> IoResult<Self>;
 }
 
 impl fmt::Show for Box<NetworkStream + Send> {
@@ -214,6 +210,15 @@ impl Writer for HttpStream {
 
 
 impl NetworkStream for HttpStream {
+    fn peer_name(&mut self) -> IoResult<SocketAddr> {
+        match *self {
+            Http(ref mut inner) => inner.peer_name(),
+            Https(_, addr) => Ok(addr)
+        }
+    }
+}
+
+impl NetworkConnector for HttpStream {
     fn connect(host: &str, port: Port, scheme: &str) -> IoResult<HttpStream> {
         match scheme {
             "http" => {
@@ -239,13 +244,6 @@ impl NetworkStream for HttpStream {
             }
         }
     }
-
-    fn peer_name(&mut self) -> IoResult<SocketAddr> {
-        match *self {
-            Http(ref mut inner) => inner.peer_name(),
-            Https(_, addr) => Ok(addr)
-        }
-    }
 }
 
 fn lift_ssl_error(ssl: SslError) -> IoError {
@@ -276,7 +274,7 @@ mod tests {
 
     #[test]
     fn test_downcast_box_stream() {
-        let stream = MockStream.dynamic();
+        let stream = box MockStream as Box<NetworkStream + Send>;
 
         let mock = stream.downcast::<MockStream>().unwrap();
         assert_eq!(mock, box MockStream);
@@ -285,7 +283,7 @@ mod tests {
 
     #[test]
     fn test_downcast_unchecked_box_stream() {
-        let stream = MockStream.dynamic();
+        let stream = box MockStream as Box<NetworkStream + Send>;
 
         let mock = unsafe { stream.downcast_unchecked::<MockStream>() };
         assert_eq!(mock, box MockStream);

src/server/request.rs

@@ -38,7 +38,7 @@ impl Request {
     pub fn new<S: NetworkStream>(mut stream: S) -> HttpResult<Request> {
         let remote_addr = try_io!(stream.peer_name());
         debug!("remote addr = {}", remote_addr);
-        let mut stream = BufferedReader::new(stream.dynamic());
+        let mut stream = BufferedReader::new(box stream as Box<NetworkStream + Send>);
         let (method, uri, version) = try!(read_request_line(&mut stream));
         let headers = try!(Headers::from_raw(&mut stream));
 

src/server/response.rs

@@ -55,7 +55,7 @@ impl Response<Fresh> {
             status: status::Ok,
             version: version::Http11,
             headers: header::Headers::new(),
-            body: ThroughWriter(BufferedWriter::new(stream.dynamic()))
+            body: ThroughWriter(BufferedWriter::new(box stream as Box<NetworkStream + Send>))
         }
     }