start work: callback_result_data, basic handler

Author: Sergey Abramkin

bindings/cpp/callback.cpp

@@ -89,7 +89,7 @@ class basic_handler
 		return false;
 	}
 
-	int on_reply(const std::shared_ptr<void> &result)
+	int on_reply(const std::shared_ptr<n2_body> &result)
 	{
 		// TODO(sabramkin): Output only protocol-independent known info (currently old-mechanic logging used)
 		log_reply_info(&m_addr, &m_cmd);
@@ -202,7 +202,7 @@ async_generic_result n2_send_impl(session &sess, const n2_request &request, Meth
 	n2_request_info request_info{ request, n2_repliers() };
 
 	request_info.repliers.on_reply =
-		[handler](const std::shared_ptr<void> &result){
+		[handler](const std::shared_ptr<n2_body> &result){
 			return handler->on_reply(result);
 		};
 	request_info.repliers.on_reply_error =

bindings/cpp/callback_p.h

@@ -171,7 +171,7 @@ class n2_callback_result_data : public callback_result_data_base
 		n2_callback_result_data() = default;
 
 		n2_callback_result_data(const dnet_addr &addr_in, const dnet_cmd &cmd_in,
-		                        const std::shared_ptr<void> &result_in, int result_status_in)
+		                        const std::shared_ptr<n2_body> &result_in, int result_status_in)
 		: addr(addr_in)
 		, cmd(cmd_in)
 		, result(result_in)
@@ -224,7 +224,7 @@ class n2_callback_result_data : public callback_result_data_base
 		dnet_cmd cmd;
 
 		// Either result or nonzero result_status must be set
-		std::shared_ptr<void> result;
+		std::shared_ptr<n2_body> result;
 		int result_status;
 };