order development

sample

//! 
//! Copyright (c) 2015, The casual project
//!
//! This software is licensed under the MIT license, https://opensource.org/licenses/MIT
//!


/*
 * Disclaimer: This might not be a valid C-function
 *
 * Disclaimer: A lot of error handling is missing
 */

#include "xatmi.h"
#include "casual/buffer/order.h"

#include <cstddef>
#include <cstdio>

int call_with_order()
{
   char* buffer;
   long length;

   const char* id;
   long count;

   const char* name;
   double cost;

   int result;

   id = "123";
   count = 2;


   /*
    * The buffer auto-resizes, so we do not need to give it a size
    */

   length = 0;

   buffer = tpalloc( CASUAL_ORDER, nullptr, length);

   result = CASUAL_ORDER_SUCCESS;

   result |= casual_order_add_string( &buffer, id);
   result |= casual_order_add_long( &buffer, count);

   if( result)
   {
      /* something went wrong */
   }

   tpcall( "some_service", buffer, length, &buffer, &length, TPSIGRSTRT);


   result |= casual_order_get_string( buffer, &name);
   result |= casual_order_get_double( buffer, &cost);

   if( result)
   {
      /* something went wrong */
   }

   printf( "name %s", name);
   printf( "cost %f", cost);


   tpfree( buffer);

   return 0;
}

remarks

• To use it you need to get the data in the same order as you add it since no validation of types or fields what so ever occurs. The only validation that occurs is to check whether you try to consume (get) beyond what’s inserted

• No encoding of strings occurs