add a new example for proxy.

Cargo.toml

@@ -22,3 +22,7 @@ hex = "0.3.2"
 [[example]]
 name = "echo"
 path = "examples/echo/main.rs"
+
+[[example]]
+name = "proxy"
+path = "examples/proxy/main.rs"

examples/proxy/main.rs

@@ -0,0 +1,31 @@
+#[macro_use]
+extern crate log;
+extern crate rsocket_rust;
+extern crate tokio;
+
+use rsocket_rust::prelude::*;
+
+fn main() {
+  env_logger::builder()
+    .default_format_timestamp_nanos(true)
+    .init();
+  let server = RSocketFactory::receive()
+    .acceptor(|setup, _sending_socket| {
+      info!("incoming socket: setup={:?}", setup);
+      proxied(URI::Tcp("127.0.0.1:7878"))
+    })
+    .transport(URI::Tcp("127.0.0.1:7979"))
+    .serve();
+  tokio::run(server);
+}
+
+fn proxied(target: URI) -> Box<dyn RSocket> {
+  Box::new(
+    RSocketFactory::connect()
+      .acceptor(|| Box::new(MockResponder))
+      .setup(Payload::from("I'm Rust!"))
+      .transport(target)
+      .start()
+      .unwrap(),
+  )
+}

src/transport/tcp.rs

@@ -7,11 +7,15 @@ use futures::sync::mpsc;
 use futures::{lazy, Future, Sink, Stream};
 use std::io;
 use std::net::SocketAddr;
+use std::net::TcpStream as StdTcpStream;
 use tokio::codec::Framed;
 use tokio::net::TcpStream;
+use tokio::reactor::Handle;
 
 pub fn from_addr(addr: &SocketAddr) -> Context {
-  let socket = TcpStream::connect(addr).wait().unwrap();
+  let origin = StdTcpStream::connect(addr).unwrap();
+  let socket = TcpStream::from_std(origin, &Handle::default()).unwrap();
+  // let socket = TcpStream::connect(addr).wait().unwrap();
   from_socket(socket)
 }
 

tests/client_test.rs

@@ -13,7 +13,6 @@ fn test_client() {
     .mime_type("text/plain", "text/plain")
     .start()
     .unwrap();
-
   for n in 0..11 {
     let pa = Payload::builder()
       .set_data_utf8("Hello World!")