asio: Add server::response::io_service()

src/asio_http2_handler.cc

@@ -77,6 +77,10 @@ void response::resume() const { impl_->resume(); }
 
 unsigned int response::status_code() const { return impl_->status_code(); }
 
+boost::asio::io_service &response::io_service() const {
+  return impl_->io_service();
+}
+
 bool response::started() const { return impl_->started(); }
 
 response_impl &response::impl() const { return *impl_; }
@@ -184,6 +188,10 @@ void response_impl::resume() {
   }
 }
 
+boost::asio::io_service &response_impl::io_service() {
+  return stream_->handler()->io_service();
+}
+
 bool response_impl::started() const { return started_; }
 
 void response_impl::pushed(bool f) { pushed_ = f; }

src/asio_http2_handler.h

@@ -84,6 +84,8 @@ public:
   response *push(boost::system::error_code &ec, std::string method,
                  std::string raw_path_query, header_map h = {}) const;
 
+  boost::asio::io_service &io_service();
+
   void start_response();
 
   unsigned int status_code() const;

src/includes/nghttp2/asio_http2_server.h

@@ -98,6 +98,9 @@ public:
   // Returns true if response has been started.
   bool started() const;
 
+  // Returns boost::asio::io_service this response is running on.
+  boost::asio::io_service &io_service() const;
+
   // Application must not call this directly.
   response_impl &impl() const;