Implement input and output streams for secure network sockets.

tests/standalone/io/tls_server_stream_test.dart

Index: tests/standalone/io/tls_server_stream_test.dart
diff --git a/tests/standalone/io/tls_server_test.dart b/tests/standalone/io/tls_server_stream_test.dart
similarity index 71%
copy from tests/standalone/io/tls_server_test.dart
copy to tests/standalone/io/tls_server_stream_test.dart
index 32792d77aec1487320f526cd98756fa13998aff0..1b4599124288638679bc3137b4b4e2efe94b86b9 100644
--- a/tests/standalone/io/tls_server_test.dart
+++ b/tests/standalone/io/tls_server_stream_test.dart
@@ -7,33 +7,19 @@ import "dart:io";
 const SERVER_ADDRESS = "127.0.0.1";
 const HOST_NAME = "localhost";
 
-void WriteAndClose(Socket socket, String message) {
-  var data = message.charCodes;
-  int written = 0;
-  void write() {
-    written += socket.writeList(data, written, data.length - written);
-    if (written < data.length) {
-      socket.onWrite = write;
-    } else {
-      socket.close(true);
-    }
-  }
-  write();
-}
-
 class TlsTestServer {
   void onConnection(Socket connection) {
-    connection.onConnect = () {
-      numConnections++;
-    };
+    numConnections++;
+    var input = connection.inputStream;
     String received = "";
-    connection.onData = () {
-      received = received.concat(new String.fromCharCodes(connection.read()));
+    input.onData = () {
+      received = received.concat(new String.fromCharCodes(input.read()));
     };
-    connection.onClosed = () {
+    input.onClosed = () {
       Expect.isTrue(received.contains("Hello from client "));
       String name = received.substring(received.indexOf("client ") + 7);
-      WriteAndClose(connection, "Welcome, client $name");
+      connection.outputStream.write("Welcome, client $name".charCodes);
+      connection.outputStream.close();
     };
   }
 
@@ -60,19 +46,16 @@ class TlsTestServer {
 class TlsTestClient {
   TlsTestClient(int this.port, String this.name) {
     socket = new TlsSocket(HOST_NAME, port);
-    socket.onConnect = this.onConnect;
-    socket.onData = () {
-      reply = reply.concat(new String.fromCharCodes(socket.read()));
+    numRequests++;
+    socket.outputStream.write("Hello from client $name".charCodes);
+    socket.outputStream.close();
+    socket.inputStream.onData = () {
+      reply = reply.concat(new String.fromCharCodes(socket.inputStream.read()));
     };
-    socket.onClosed = done;
+    socket.inputStream.onClosed = this.done;
     reply = "";
   }
 
-  void onConnect() {
-    numRequests++;
-    WriteAndClose(socket, "Hello from client $name");
-  }
-
   void done() {
     Expect.equals("Welcome, client $name", reply);
     numReplies++;