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Diffstat (limited to 'src/backend/taler-merchant-httpd_private-post-templates.c')
-rw-r--r--src/backend/taler-merchant-httpd_private-post-templates.c171
1 files changed, 83 insertions, 88 deletions
diff --git a/src/backend/taler-merchant-httpd_private-post-templates.c b/src/backend/taler-merchant-httpd_private-post-templates.c
index 276e225f..4a5d8133 100644
--- a/src/backend/taler-merchant-httpd_private-post-templates.c
+++ b/src/backend/taler-merchant-httpd_private-post-templates.c
@@ -29,12 +29,6 @@
/**
- * How often do we retry the simple INSERT database transaction?
- */
-#define MAX_RETRIES 3
-
-
-/**
* Check if the two templates are identical.
*
* @param t1 template to compare
@@ -47,12 +41,12 @@ templates_equal (const struct TALER_MERCHANTDB_TemplateDetails *t1,
{
return ( (0 == strcmp (t1->template_description,
t2->template_description)) &&
- ( ( (NULL == t1->pos_key) &&
- (NULL == t2->pos_key) ) ||
- ( (NULL != t1->pos_key) &&
- (NULL != t2->pos_key) &&
- (0 == strcmp (t1->pos_key,
- t2->pos_key))) ) &&
+ ( ( (NULL == t1->otp_id) &&
+ (NULL == t2->otp_id) ) ||
+ ( (NULL != t1->otp_id) &&
+ (NULL != t2->otp_id) &&
+ (0 == strcmp (t1->otp_id,
+ t2->otp_id))) ) &&
(1 == json_equal (t1->template_contract,
t2->template_contract)) );
}
@@ -67,24 +61,20 @@ TMH_private_post_templates (const struct TMH_RequestHandler *rh,
struct TALER_MERCHANTDB_TemplateDetails tp = { 0 };
const char *template_id;
enum GNUNET_DB_QueryStatus qs;
- uint32_t pos_algorithm = 0;
struct GNUNET_JSON_Specification spec[] = {
GNUNET_JSON_spec_string ("template_id",
&template_id),
GNUNET_JSON_spec_string ("template_description",
(const char **) &tp.template_description),
GNUNET_JSON_spec_mark_optional (
- GNUNET_JSON_spec_uint32 ("pos_algorithm",
- &pos_algorithm),
- NULL),
- GNUNET_JSON_spec_mark_optional (
- GNUNET_JSON_spec_string ("pos_key",
- (const char **) &tp.pos_key),
+ GNUNET_JSON_spec_string ("otp_id",
+ (const char **) &tp.otp_id),
NULL),
GNUNET_JSON_spec_json ("template_contract",
&tp.template_contract),
GNUNET_JSON_spec_end ()
};
+ uint64_t otp_serial = 0;
GNUNET_assert (NULL != mi);
{
@@ -101,7 +91,6 @@ TMH_private_post_templates (const struct TMH_RequestHandler *rh,
: MHD_NO;
}
}
- tp.pos_algorithm = (enum TALER_MerchantConfirmationAlgorithm) pos_algorithm;
if (! TMH_template_contract_valid (tp.template_contract))
{
GNUNET_break_op (0);
@@ -115,23 +104,63 @@ TMH_private_post_templates (const struct TMH_RequestHandler *rh,
"template_contract");
}
- /* finally, interact with DB until no serialization error */
- for (unsigned int i = 0; i<MAX_RETRIES; i++)
+ if (NULL != tp.otp_id)
{
- /* Test if a template of this id is known */
- struct TALER_MERCHANTDB_TemplateDetails etp;
-
- if (GNUNET_OK !=
- TMH_db->start (TMH_db->cls,
- "/post templates"))
+ qs = TMH_db->select_otp_serial (TMH_db->cls,
+ mi->settings.id,
+ tp.otp_id,
+ &otp_serial);
+ switch (qs)
{
+ case GNUNET_DB_STATUS_HARD_ERROR:
+ case GNUNET_DB_STATUS_SOFT_ERROR:
GNUNET_break (0);
GNUNET_JSON_parse_free (spec);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
- TALER_EC_GENERIC_DB_START_FAILED,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ "select_otp_serial");
+ case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
+ GNUNET_JSON_parse_free (spec);
+ return TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_NOT_FOUND,
+ TALER_EC_MERCHANT_GENERIC_OTP_DEVICE_UNKNOWN,
NULL);
+ case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
+ break;
}
+ }
+
+ qs = TMH_db->insert_template (TMH_db->cls,
+ mi->settings.id,
+ template_id,
+ otp_serial,
+ &tp);
+ switch (qs)
+ {
+ case GNUNET_DB_STATUS_HARD_ERROR:
+ case GNUNET_DB_STATUS_SOFT_ERROR:
+ GNUNET_break (0);
+ GNUNET_JSON_parse_free (spec);
+ return TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_STORE_FAILED,
+ NULL);
+ case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
+ GNUNET_JSON_parse_free (spec);
+ return TALER_MHD_reply_static (connection,
+ MHD_HTTP_NO_CONTENT,
+ NULL,
+ NULL,
+ 0);
+ case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
+ break;
+ }
+
+ {
+ /* Test if a template of this id is known */
+ struct TALER_MERCHANTDB_TemplateDetails etp;
+
qs = TMH_db->lookup_template (TMH_db->cls,
mi->settings.id,
template_id,
@@ -139,79 +168,45 @@ TMH_private_post_templates (const struct TMH_RequestHandler *rh,
switch (qs)
{
case GNUNET_DB_STATUS_HARD_ERROR:
+ case GNUNET_DB_STATUS_SOFT_ERROR:
/* Clean up and fail hard */
GNUNET_break (0);
- TMH_db->rollback (TMH_db->cls);
GNUNET_JSON_parse_free (spec);
return TALER_MHD_reply_with_error (connection,
MHD_HTTP_INTERNAL_SERVER_ERROR,
TALER_EC_GENERIC_DB_FETCH_FAILED,
NULL);
- case GNUNET_DB_STATUS_SOFT_ERROR:
- /* restart transaction */
- goto retry;
case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS:
- /* Good, we can proceed! */
- break;
+ GNUNET_break (0);
+ GNUNET_JSON_parse_free (spec);
+ return TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_INTERNAL_SERVER_ERROR,
+ TALER_EC_GENERIC_DB_FETCH_FAILED,
+ "logic error");
case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT:
- /* idempotency check: is etp == tp? */
- {
- bool eq;
-
- eq = templates_equal (&tp,
- &etp);
- TALER_MERCHANTDB_template_details_free (&etp);
- TMH_db->rollback (TMH_db->cls);
- GNUNET_JSON_parse_free (spec);
- return eq
- ? TALER_MHD_reply_static (connection,
- MHD_HTTP_NO_CONTENT,
- NULL,
- NULL,
- 0)
- : TALER_MHD_reply_with_error (connection,
- MHD_HTTP_CONFLICT,
- TALER_EC_MERCHANT_PRIVATE_POST_TEMPLATES_CONFLICT_TEMPLATE_EXISTS,
- template_id);
- }
- } /* end switch (qs) */
-
- qs = TMH_db->insert_template (TMH_db->cls,
- mi->settings.id,
- template_id,
- &tp);
- if (GNUNET_DB_STATUS_HARD_ERROR == qs)
- {
- TMH_db->rollback (TMH_db->cls);
break;
}
- if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
+ /* idempotency check: is etp == tp? */
{
- qs = TMH_db->commit (TMH_db->cls);
- if (GNUNET_DB_STATUS_SOFT_ERROR != qs)
- break;
+ bool eq;
+
+ eq = templates_equal (&tp,
+ &etp);
+ TALER_MERCHANTDB_template_details_free (&etp);
+ TMH_db->rollback (TMH_db->cls);
+ GNUNET_JSON_parse_free (spec);
+ return eq
+ ? TALER_MHD_reply_static (connection,
+ MHD_HTTP_NO_CONTENT,
+ NULL,
+ NULL,
+ 0)
+ : TALER_MHD_reply_with_error (connection,
+ MHD_HTTP_CONFLICT,
+ TALER_EC_MERCHANT_PRIVATE_POST_TEMPLATES_CONFLICT_TEMPLATE_EXISTS,
+ template_id);
}
-retry:
- GNUNET_assert (GNUNET_DB_STATUS_SOFT_ERROR == qs);
- TMH_db->rollback (TMH_db->cls);
- } /* for RETRIES loop */
- GNUNET_JSON_parse_free (spec);
- if (qs < 0)
- {
- GNUNET_break (0);
- return TALER_MHD_reply_with_error (
- connection,
- MHD_HTTP_INTERNAL_SERVER_ERROR,
- (GNUNET_DB_STATUS_SOFT_ERROR == qs)
- ? TALER_EC_GENERIC_DB_SOFT_FAILURE
- : TALER_EC_GENERIC_DB_COMMIT_FAILED,
- NULL);
}
- return TALER_MHD_reply_static (connection,
- MHD_HTTP_NO_CONTENT,
- NULL,
- NULL,
- 0);
}