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Diffstat (limited to 'src/lib/testing_api_cmd_check_keys.c')
| -rw-r--r-- | src/lib/testing_api_cmd_check_keys.c | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/src/lib/testing_api_cmd_check_keys.c b/src/lib/testing_api_cmd_check_keys.c new file mode 100644 index 000000000..d329f31a4 --- /dev/null +++ b/src/lib/testing_api_cmd_check_keys.c @@ -0,0 +1,165 @@ +/* + This file is part of TALER + (C) 2018 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 exchange-lib/testing_api_cmd_check_keys.c + * @brief Implementation of "check keys" test command. + * @author Marcello Stanisci + */ + +#include "platform.h" +#include "taler_json_lib.h" +#include <gnunet/gnunet_curl_lib.h> +#include "exchange_api_handle.h" +#include "taler_testing_lib.h" + + +/** + * State for a "check keys" CMD. + */ +struct CheckKeysState +{ + /** + * This number will instruct the CMD interpreter to + * make sure that /keys was downloaded `generation` times + * _before_ running the very CMD logic. + */ + unsigned int generation; + + /** + * How many denomination keys the exchange is + * supposed to have. + */ + unsigned int num_denom_keys; +}; + + +/** + * Run the "check keys" command. + * + * @param cls closure. + * @param cmd the command currently being executed. + * @param is the interpreter state. + */ +static void +check_keys_run (void *cls, + const struct TALER_TESTING_Command *cmd, + struct TALER_TESTING_Interpreter *is) +{ + struct CheckKeysState *cks = cls; + + GNUNET_log (GNUNET_ERROR_TYPE_INFO, + "cmd `%s', key generation: %d\n", + cmd->label, + is->key_generation); + + if (is->key_generation < cks->generation) + { + is->working = GNUNET_NO; + GNUNET_log (GNUNET_ERROR_TYPE_INFO, + "Triggering GET /keys, cmd `%s'\n", + cmd->label); + + /* Means re-download /keys. */ + GNUNET_break (0 == TALER_EXCHANGE_check_keys_current + (is->exchange, GNUNET_YES).abs_value_us); + return; + } + if (is->key_generation > cks->generation) + { + /* We got /keys too often, strange. Fatal. May theoretically + happen if somehow we were really unlucky and /keys expired + "naturally", but obviously with a sane configuration this + should also not be. */ + GNUNET_break (0); + TALER_TESTING_interpreter_fail (is); + return; + } + /* /keys was updated, let's check they were OK! */ + if (cks->num_denom_keys != is->keys->num_denom_keys) + { + /* Did not get the expected number of denomination keys! */ + GNUNET_break (0); + GNUNET_log (GNUNET_ERROR_TYPE_ERROR, + "Got %u keys in step %s, expected %u\n", + is->keys->num_denom_keys, + cmd->label, + cks->num_denom_keys); + TALER_TESTING_interpreter_fail (is); + return; + } + TALER_TESTING_interpreter_next (is); +} + + +/** + * Cleanup the state. + * + * @param cls closure. + * @param cmd the command which is being cleaned up. + */ +static void +check_keys_cleanup (void *cls, + const struct TALER_TESTING_Command *cmd) +{ + struct CheckKeysState *cks = cls; + + GNUNET_free (cks); +} + + +/** + * Make a "check keys" command. This type of command + * checks whether the number of denomination keys from + * @a exchange matches @a num_denom_keys. + * + * @param label command label + * @param generation when this command is run, exactly @a + * generation /keys downloads took place. If the number + * of downloads is less than @a generation, the logic will + * first make sure that @a generation downloads are done, + * and _then_ execute the rest of the command. + * @param num_denom_keys expected number of denomination keys. + * @param exchange connection handle to the exchange to test. + * + * @return the command. + */ +struct TALER_TESTING_Command +TALER_TESTING_cmd_check_keys + (const char *label, + unsigned int generation, + unsigned int num_denom_keys) +{ + struct CheckKeysState *cks; + + cks = GNUNET_new (struct CheckKeysState); + cks->generation = generation; + cks->num_denom_keys = num_denom_keys; + + struct TALER_TESTING_Command cmd = { + .cls = cks, + .label = label, + .run = &check_keys_run, + .cleanup = &check_keys_cleanup + }; + + return cmd; +} + +/* end of testing_api_cmd_check_keys.c */ |