.. _program_listing_file_src_o3ds_async_pair.h:

Program Listing for File async_pair.h
=====================================

|exhale_lsh| :ref:`Return to documentation for file <file_src_o3ds_async_pair.h>` (``src/o3ds/async_pair.h``)

.. |exhale_lsh| unicode:: U+021B0 .. UPWARDS ARROW WITH TIP LEFTWARDS

.. code-block:: cpp

   #ifndef O3DS_ASYNC_PAIR
   #define O3DS_ASYNC_PAIR
   
   #include <nng/nng.h>
   #include <nng/protocol/pair1/pair.h>
   #include "nng_connector.h"
   #include <string>
   
   namespace O3DS
   {
       class AsyncPair : public AsyncNngConnector
       {
       public:
           void callback_()
           {
               AsyncNngConnector::asyncReadMsg();
           }
           static void callback(void *ref)
           {
               ((AsyncPair*)ref)->callback_();
           }
           void Callback_();
       };
   
       class AsyncPairClient : public AsyncPair
       {
       public:
           bool start(const char* url) override;
       };
   
       class AsyncPairServer : public AsyncPair
       {
       public:
           bool start(const char* url) override;
       };
   }
   
   #endif