prevent calls to enable tls unless connected

.travis.yml

@@ -2,9 +2,9 @@ language: ruby
 rvm:
   - "1.9.3"
   - "2.0.0"
-  - rbx-20mode
-  - jruby-19mode
-  - jruby-20mode
+  - ruby-head
+  - rbx-2.2.1
+  - jruby-head
 branches:
   only:
     - master

lib/libuv/tcp.rb

@@ -11,12 +11,21 @@ class TCP < Handle
         TLS_ERROR = "TLS write failed".freeze
 
 
+        attr_reader :connected
+
+
         def initialize(loop, acceptor = nil)
             @loop = loop
 
             tcp_ptr = ::Libuv::Ext.create_handle(:uv_tcp)
             error = check_result(::Libuv::Ext.tcp_init(loop.handle, tcp_ptr))
-            error = check_result(::Libuv::Ext.accept(acceptor, tcp_ptr)) if acceptor && error.nil?
+
+            if acceptor && error.nil?
+                error = check_result(::Libuv::Ext.accept(acceptor, tcp_ptr))
+                @connected = true
+            else
+                @connected = false
+            end
 
             super(tcp_ptr, error)
         end
@@ -27,6 +36,8 @@ def initialize(loop, acceptor = nil)
         # --------------------------------------
         #
         def start_tls(args = {})
+            return unless @connected && @tls.nil?
+
             @handshake = false
             @pending_writes = []
             @tls = ::RubyTls::Connection.new(self)
@@ -79,6 +90,8 @@ def close_cb
         # overwrite the default close to ensure
         # pending writes are rejected
         def close
+            @connected = false
+
             if not @pending_writes.nil?
                 @pending_writes.each do |deferred, data|
                     deferred.reject(TLS_ERROR)
@@ -229,6 +242,8 @@ def create_socket(ip, port)
 
         def on_connect(req, status)
             ::Libuv::Ext.free(req)
+            @connected = true
+
             begin
                 @callback.call(self)
             rescue Exception => e

lib/libuv/version.rb

@@ -1,3 +1,3 @@
 module Libuv
-    VERSION = '0.11.2'
+    VERSION = '0.11.3'
 end