[taler-merchant] branch master updated: fix misc. long polling issues

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grothoff pushed a commit to branch master
in repository merchant.

The following commit(s) were added to refs/heads/master by this push:
     new d6aeaba4 fix misc. long polling issues
d6aeaba4 is described below

commit d6aeaba40b59d30cd2963766b0d6a337d9249fc0
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Mon Sep 9 23:20:40 2024 +0200

    fix misc. long polling issues
---
 ...r-merchant-httpd_private-get-instances-ID-kyc.c | 27 ++++++++++++++++------
 src/backend/taler-merchant-kyccheck.c              | 20 ++++++++++++----
 src/testing/test_kyc_api.c                         |  4 ++--
 src/testing/test_kyc_api.conf                      |  3 +++
 4 files changed, 41 insertions(+), 13 deletions(-)

diff --git a/src/backend/taler-merchant-httpd_private-get-instances-ID-kyc.c 
b/src/backend/taler-merchant-httpd_private-get-instances-ID-kyc.c
index 7fb229b2..c2990ebd 100644
--- a/src/backend/taler-merchant-httpd_private-get-instances-ID-kyc.c
+++ b/src/backend/taler-merchant-httpd_private-get-instances-ID-kyc.c
@@ -384,10 +384,12 @@ resume_kyc_with_response (struct KycContext *kc)
   GNUNET_log (GNUNET_ERROR_TYPE_INFO,
               "Resuming /kyc handling as exchange interaction is done (%u)\n",
               MHD_HTTP_OK);
-  GNUNET_assert (GNUNET_YES == kc->suspended);
-  kc->suspended = GNUNET_NO;
-  MHD_resume_connection (kc->connection);
-  TALER_MHD_daemon_trigger (); /* we resumed, kick MHD */
+  if (GNUNET_YES == kc->suspended)
+  {
+    kc->suspended = GNUNET_NO;
+    MHD_resume_connection (kc->connection);
+    TALER_MHD_daemon_trigger (); /* we resumed, kick MHD */
+  }
 }
 
 
@@ -579,9 +581,20 @@ ekr_finished (struct ExchangeKycRequest *ekr)
   if ( (! kc->return_immediately) &&
        (! GNUNET_TIME_absolute_is_past (kc->timeout)) )
   {
-    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
-                "Remaining suspended: long poll target %d not reached\n",
-                kc->lpt);
+    if (GNUNET_NO == kc->suspended)
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+                  "Suspending: long poll target %d not reached\n",
+                  kc->lpt);
+      MHD_suspend_connection (kc->connection);
+      kc->suspended = GNUNET_YES;
+    }
+    else
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+                  "Remaining suspended: long poll target %d not reached\n",
+                  kc->lpt);
+    }
     return;
   }
   /* All exchange requests done, create final
diff --git a/src/backend/taler-merchant-kyccheck.c 
b/src/backend/taler-merchant-kyccheck.c
index 2ff290d3..9bd72822 100644
--- a/src/backend/taler-merchant-kyccheck.c
+++ b/src/backend/taler-merchant-kyccheck.c
@@ -460,6 +460,7 @@ exchange_check_cb (
   const struct TALER_EXCHANGE_KycStatus *ks)
 {
   struct Inquiry *i = cls;
+  bool progress = false;
 
   i->kyc = NULL;
   i->last_http_status = ks->hr.http_status;
@@ -472,6 +473,8 @@ exchange_check_cb (
   switch (ks->hr.http_status)
   {
   case MHD_HTTP_OK:
+    if (! i->kyc_ok)
+      progress = true;
     i->last_kyc_check = GNUNET_TIME_timestamp_get ();
     /* exchange says KYC is OK, gives status information */
     store_kyc_status (i,
@@ -479,7 +482,8 @@ exchange_check_cb (
     i->backoff = GNUNET_TIME_UNIT_ZERO;
     if (i->aml_review)
     {
-      i->due = GNUNET_TIME_relative_to_absolute (AML_FREQ);
+      if (! progress)
+        i->due = GNUNET_TIME_relative_to_absolute (AML_FREQ);
     }
     else
     {
@@ -488,14 +492,17 @@ exchange_check_cb (
     }
     break;
   case MHD_HTTP_ACCEPTED:
+    progress = ! i->auth_ok;
     i->last_kyc_check = GNUNET_TIME_timestamp_get ();
+
     /* exchange says KYC is required */
     store_kyc_status (i,
                       &ks->details.accepted);
     i->backoff = GNUNET_TIME_UNIT_ZERO;
     /* Start immediately with long-polling */
-    i->due = GNUNET_TIME_absolute_max (i->last_kyc_check.abs_time,
-                                       i->timeout);
+    if (! progress)
+      i->due = GNUNET_TIME_absolute_max (i->last_kyc_check.abs_time,
+                                         i->timeout);
     break;
   case MHD_HTTP_NO_CONTENT:
     i->last_kyc_check = GNUNET_TIME_timestamp_get ();
@@ -580,6 +587,11 @@ exchange_check_cb (
       return;
     }
   }
+  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+              "Will repeat inquiry in %s\n",
+              GNUNET_TIME_relative2s (
+                GNUNET_TIME_absolute_get_remaining (i->due),
+                true));
   if (! GNUNET_TIME_absolute_is_never (i->due))
     i->task = GNUNET_SCHEDULER_add_at (i->due,
                                        &inquiry_work,
@@ -622,7 +634,7 @@ inquiry_work (void *cls)
     = GNUNET_TIME_relative_to_absolute (EXCHANGE_TIMEOUT);
   lpt = TALER_EXCHANGE_KLPT_NONE;
   if (! i->auth_ok)
-    lpt = TALER_EXCHANGE_KLPT_NONE;
+    lpt = TALER_EXCHANGE_KLPT_KYC_AUTH_TRANSFER;
   else if (! i->kyc_ok)
     lpt = TALER_EXCHANGE_KLPT_KYC_OK;
   else if (i->aml_review)
diff --git a/src/testing/test_kyc_api.c b/src/testing/test_kyc_api.c
index 53e2818f..5a42439b 100644
--- a/src/testing/test_kyc_api.c
+++ b/src/testing/test_kyc_api.c
@@ -241,7 +241,7 @@ run (void *cls,
       NULL,
       EXCHANGE_URL,
       TALER_EXCHANGE_KLPT_NONE,
-      MHD_HTTP_OK,
+      MHD_HTTP_NO_CONTENT,
       true),
     /* now we get the legi UUID by running taler-merchant-depositcheck */
     TALER_TESTING_cmd_depositcheck (
@@ -457,7 +457,7 @@ run (void *cls,
       EXCHANGE_URL,
       TALER_EXCHANGE_KLPT_KYC_OK,
       MHD_HTTP_OK,
-      false),
+      true),
     CMD_EXEC_AGGREGATOR ("run-aggregator-aml-normal"),
     TALER_TESTING_cmd_check_bank_transfer (
       "check_bank_transfer-498c-post-unfreeze",
diff --git a/src/testing/test_kyc_api.conf b/src/testing/test_kyc_api.conf
index cd3e5c7e..6472d580 100644
--- a/src/testing/test_kyc_api.conf
+++ b/src/testing/test_kyc_api.conf
@@ -7,6 +7,9 @@ TALER_TEST_HOME = test_merchant_api_home/
 CURRENCY = EUR
 CURRENCY_ROUND_UNIT = EUR:0.01
 
+[merchant-exchange-kudos]
+DISABLED = YES
+
 [taler-helper-crypto-rsa]
 LOOKAHEAD_SIGN = 24 days
 

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