streams: introduce StreamWrap and JSStream

Introduce a way to wrap plain-js `stream.Duplex` streams into C++
StreamBase's child class. With such method at hand it is now possible to
pass `stream.Duplex` instance as a `socket` parameter to
`tls.connect()`.

PR-URL: https://github.com/iojs/io.js/pull/926
Reviewed-By: Chris Dickinson <christopher.s.dickinson@gmail.com>

1 files changed, 4 insertions, 14 deletions

diff --git a/src/stream_wrap.cc b/src/stream_wrap.cc
index 3b50f638eb..c8ea8d228f 100644
--- a/src/stream_wrap.cc
+++ b/src/stream_wrap.cc
@@ -84,7 +84,7 @@ void StreamWrap::AddMethods(Environment* env,
 }
 
 
-int StreamWrap::GetFD() const {
+int StreamWrap::GetFD() {
   int fd = -1;
 #if !defined(_WIN32)
   if (stream() != nullptr)
@@ -94,12 +94,12 @@ int StreamWrap::GetFD() const {
 }
 
 
-bool StreamWrap::IsAlive() const {
+bool StreamWrap::IsAlive() {
   return HandleWrap::IsAlive(this);
 }
 
 
-bool StreamWrap::IsClosing() const {
+bool StreamWrap::IsClosing() {
   return uv_is_closing(reinterpret_cast<uv_handle_t*>(stream()));
 }
 
@@ -114,7 +114,7 @@ AsyncWrap* StreamWrap::GetAsyncWrap() {
 }
 
 
-bool StreamWrap::IsIPCPipe() const {
+bool StreamWrap::IsIPCPipe() {
   return is_named_pipe_ipc();
 }
 
@@ -359,16 +359,6 @@ void StreamWrap::OnAfterWriteImpl(WriteWrap* w, void* ctx) {
   wrap->UpdateWriteQueueSize();
 }
 
-
-const char* StreamWrap::Error() const {
-  return nullptr;
-}
-
-
-void StreamWrap::ClearError() {
-  // No-op
-}
-
 }  // namespace node
 
 NODE_MODULE_CONTEXT_AWARE_BUILTIN(stream_wrap, node::StreamWrap::Initialize)