Checkpoint: partial implementation. This version crashes the compiler in

Nightly.

Author: ekr

Cargo.toml

@@ -3,4 +3,7 @@ name = "tls_interop"
 version = "0.1.0"
 authors = ["EKR <[email protected]>"]
 
+[features]
+
 [dependencies]
+mio = "0.6"

src/main.rs

@@ -1,3 +1,116 @@
+extern crate mio;
+use mio::*;
+use mio::tcp::{TcpListener, TcpStream};
+use std::io::Read;
+use std::process::{Child, Command};
+
+const SERVER: Token = mio::Token(0);
+const A1: Token = mio::Token(0);
+const A2: Token = mio::Token(1);
+
+struct Agent {
+    name : String,
+    path : String,
+    args : Vec<String>,
+    socket : TcpStream,
+    child: Child
+}
+
+impl Agent {
+    fn new(name: String, path: String, args: Vec<String>) -> Result<Agent, i32> {
+        let addr = "127.0.0.1:13265".parse().unwrap();
+        let listener = TcpListener::bind(&addr).unwrap();
+        
+        // Start the subprocess.
+        let mut command = Command::new(path.clone());
+        for arg in args.iter() {
+            command.arg(arg);
+        }
+        
+        command.arg("-port");
+        command.arg(listener.local_addr().unwrap().port().to_string());
+
+        let mut child = command.spawn().unwrap();
+
+        // Listen for connect
+        // Create an poll instance
+        let poll = Poll::new().unwrap();        
+        poll.register(&listener, SERVER, Ready::readable(),
+                      PollOpt::edge()).unwrap();
+        let mut events = Events::with_capacity(1024);
+
+        poll.poll(&mut events, None).unwrap();
+        for event in events.iter() {
+            match event.token() {
+                SERVER => {
+                    let sock = listener.accept();
+
+                    println!("Accepted");
+
+                    return Ok(Agent {
+                        name: name,
+                        path: path,
+                        args: args,
+                        child: child,
+                        socket: sock.unwrap().0,
+                    })
+                },
+                _ => return Err(-1),
+            }
+        }
+
+        unreachable!()
+    }
+}
+
+fn copy_data(from: &Agent, to: &Agent) {
+    let mut buf = [u8; 1024];
+    let size = from.socket.read(buf);
+}
+
+fn shuttle(agents: Vec<Agent>) {
+    // Listen for connect
+    // Create an poll instance
+    let poll = Poll::new().unwrap();        
+    poll.register(&agents[0].socket, A1, Ready::readable(),
+                  PollOpt::level()).unwrap();
+    poll.register(&agents[1].socket, A1, Ready::readable(),
+                  PollOpt::level()).unwrap();
+    let mut events = Events::with_capacity(1024);
+
+    poll.poll(&mut events, None).unwrap();
+    loop {
+        for event in events.iter() {
+            match event.token() {
+                A1 => {
+                    println!("A0 ready");
+                },
+                A2 => {
+                    println!("A1 ready");
+                },
+                _ => unreachable!()
+            }
+        }
+    }    
+}
+
 fn main() {
-    println!("Hello, world!");
+    let mut agents: Vec<Agent> = Vec::new();
+    
+    let a1 = Agent::new(String::from("a1"),
+                            String::from("/Users/ekr/dev/boringssl//build/ssl/test/bssl_shim"),
+                            Vec::new());
+    agents.push(a1.unwrap());
+    
+    let a2 = Agent::new(String::from("a2"),
+                            String::from("/Users/ekr/dev/boringssl//build/ssl/test/bssl_shim"),
+                            vec![String::from("-server"),
+                                 String::from("-key-file"),
+                                 String::from("/Users/ekr/dev/boringssl/ssl/test/runner/server.pem"),
+                                 String::from("-cert-file"),
+                                 String::from("/Users/ekr/dev/boringssl/ssl/test/runner/server.pem")]
+    );
+    agents.push(a2.unwrap());    
+
+    shuttle(agents);
 }