merchant

testing_api_cmd_lock_product.c (7355B)

---

 /*
   This file is part of TALER
   Copyright (C) 2020 Taler Systems SA
 
   TALER is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as
   published by the Free Software Foundation; either version 3, or
   (at your option) any later version.
 
   TALER is distributed in the hope that it will be useful, but
   WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.
 
   You should have received a copy of the GNU General Public
   License along with TALER; see the file COPYING.  If not, see
   <http://www.gnu.org/licenses/>
 */
 /**
  * @file testing_api_cmd_lock_product.c
  * @brief command to test LOCK /product
  * @author Christian Grothoff
  */
 #include "platform.h"
 #include <taler/taler_exchange_service.h>
 #include <taler/taler_testing_lib.h>
 #include "taler_merchant_service.h"
 #include "taler_merchant_testing_lib.h"
 
 
 /**
  * State of a "POST /products/$ID" CMD.
  */
 struct LockProductState
 {
 
   /**
    * Handle for a "GET product" request.
    */
   struct TALER_MERCHANT_ProductLockHandle *iph;
 
   /**
    * The interpreter state.
    */
   struct TALER_TESTING_Interpreter *is;
 
   /**
    * Base URL of the merchant serving the request.
    */
   const char *merchant_url;
 
   /**
    * ID of the product to run GET for.
    */
   const char *product_id;
 
   /**
    * UUID that identifies the client holding the lock
    */
   char *uuid;
 
   /**
    * duration how long should the lock be held
    */
   struct GNUNET_TIME_Relative duration;
 
   /**
    * how much product should be locked
    */
   uint32_t quantity;
 
   /**
    * Fractional component of the quantity (units of 1/MERCHANT_UNIT_FRAC_BASE) when
    * @e use_fractional_quantity is true.
    */
   uint32_t quantity_frac;
 
   /**
    * Set to true if @e quantity_frac should be sent along with @e quantity.
    */
   bool use_fractional_quantity;
 
   /**
    * Expected HTTP response code.
    */
   unsigned int http_status;
 
 };
 
 
 /**
  * Callback for a POST /products/$ID/lock operation.
  *
  * @param cls closure for this function
  * @param hr response being processed
  */
 static void
 lock_product_cb (void *cls,
                  const struct TALER_MERCHANT_HttpResponse *hr)
 {
   struct LockProductState *pis = cls;
 
   pis->iph = NULL;
   if (pis->http_status != hr->http_status)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                 "Unexpected response code %u (%d) to command %s\n",
                 hr->http_status,
                 (int) hr->ec,
                 TALER_TESTING_interpreter_get_current_label (pis->is));
     TALER_TESTING_interpreter_fail (pis->is);
     return;
   }
   switch (hr->http_status)
   {
   case MHD_HTTP_NO_CONTENT:
     break;
   case MHD_HTTP_FORBIDDEN:
     break;
   case MHD_HTTP_NOT_FOUND:
     break;
   case MHD_HTTP_GONE:
     break;
   default:
     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                 "Unhandled HTTP status %u for lock product.\n",
                 hr->http_status);
   }
   TALER_TESTING_interpreter_next (pis->is);
 }
 
 
 /**
  * Run the "LOCK /products/$ID" CMD.
  *
  *
  * @param cls closure.
  * @param cmd command being run now.
  * @param is interpreter state.
  */
 static void
 lock_product_run (void *cls,
                   const struct TALER_TESTING_Command *cmd,
                   struct TALER_TESTING_Interpreter *is)
 {
   struct LockProductState *pis = cls;
 
   pis->is = is;
   if (pis->use_fractional_quantity)
   {
     pis->iph = TALER_MERCHANT_product_lock2 (
       TALER_TESTING_interpreter_get_context (is),
       pis->merchant_url,
       pis->product_id,
       pis->uuid,
       pis->duration,
       pis->quantity,
       pis->quantity_frac,
       true,
       &lock_product_cb,
       pis);
   }
   else
   {
     pis->iph = TALER_MERCHANT_product_lock (
       TALER_TESTING_interpreter_get_context (is),
       pis->merchant_url,
       pis->product_id,
       pis->uuid,
       pis->duration,
       pis->quantity,
       &lock_product_cb,
       pis);
   }
   GNUNET_assert (NULL != pis->iph);
 }
 
 
 /**
  * Free the state of a "GET product" CMD, and possibly
  * cancel a pending operation thereof.
  *
  * @param cls closure.
  * @param cmd command being run.
  */
 static void
 lock_product_cleanup (void *cls,
                       const struct TALER_TESTING_Command *cmd)
 {
   struct LockProductState *pis = cls;
 
   if (NULL != pis->iph)
   {
     GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                 "POST /product/$ID/lock operation did not complete\n");
     TALER_MERCHANT_product_lock_cancel (pis->iph);
   }
   GNUNET_free (pis->uuid);
   GNUNET_free (pis);
 }
 
 
 /**
  * Offer internal data to other commands.
  *
  * @param cls closure
  * @param[out] ret result (could be anything)
  * @param trait name of the trait
  * @param index index number of the object to extract.
  * @return #GNUNET_OK on success
  */
 static enum GNUNET_GenericReturnValue
 lock_product_traits (void *cls,
                      const void **ret,
                      const char *trait,
                      unsigned int index)
 {
   struct LockProductState *lps = cls;
   struct TALER_TESTING_Trait traits[] = {
     TALER_TESTING_make_trait_lock_uuid (lps->uuid),
     TALER_TESTING_trait_end ()
   };
 
   return TALER_TESTING_get_trait (traits,
                                   ret,
                                   trait,
                                   index);
 }
 
 
 struct TALER_TESTING_Command
 TALER_TESTING_cmd_merchant_lock_product (
   const char *label,
   const char *merchant_url,
   const char *product_id,
   struct GNUNET_TIME_Relative duration,
   uint32_t quantity,
   unsigned int http_status)
 {
   struct LockProductState *pis;
   struct GNUNET_Uuid uuid;
 
   pis = GNUNET_new (struct LockProductState);
   pis->merchant_url = merchant_url;
   pis->product_id = product_id;
   pis->http_status = http_status;
   GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_WEAK,
                               &uuid,
                               sizeof (struct GNUNET_Uuid));
   pis->uuid = GNUNET_STRINGS_data_to_string_alloc (&uuid,
                                                    sizeof (uuid));
   pis->duration = duration;
   pis->quantity = quantity;
   pis->quantity_frac = 0;
   pis->use_fractional_quantity = false;
 
   {
     struct TALER_TESTING_Command cmd = {
       .cls = pis,
       .label = label,
       .run = &lock_product_run,
       .cleanup = &lock_product_cleanup,
       .traits = &lock_product_traits
     };
 
     return cmd;
   }
 }
 
 
 struct TALER_TESTING_Command
 TALER_TESTING_cmd_merchant_lock_product2 (
   const char *label,
   const char *merchant_url,
   const char *product_id,
   struct GNUNET_TIME_Relative duration,
   uint32_t quantity,
   uint32_t quantity_frac,
   bool use_fractional_quantity,
   unsigned int http_status)
 {
   struct LockProductState *pis;
   struct TALER_TESTING_Command cmd;
 
   cmd = TALER_TESTING_cmd_merchant_lock_product (label,
                                                  merchant_url,
                                                  product_id,
                                                  duration,
                                                  quantity,
                                                  http_status);
   pis = cmd.cls;
   pis->quantity_frac = quantity_frac;
   pis->use_fractional_quantity = use_fractional_quantity;
   return cmd;
 }
 
 
 /* end of testing_api_cmd_lock_product.c */