[taler-exchange] 02/03: keep ETag around

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grothoff pushed a commit to branch master
in repository exchange.

commit a6a1fa9fded4f2443479a3ee2a9c7f0c2fa411cd
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Tue May 17 14:31:37 2022 +0200

    keep ETag around
---
 src/exchange/taler-exchange-httpd_keys.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/exchange/taler-exchange-httpd_keys.c 
b/src/exchange/taler-exchange-httpd_keys.c
index a1de10cf..5a6a506e 100644
--- a/src/exchange/taler-exchange-httpd_keys.c
+++ b/src/exchange/taler-exchange-httpd_keys.c
@@ -243,6 +243,11 @@ struct KeysResponseData
    */
   struct MHD_Response *response_uncompressed;
 
+  /**
+   * ETag for these responses.
+   */
+  char *etag;
+
   /**
    * Cherry-picking timestamp the client must have set for this
    * response to be valid.  0 if this is the "full" response.
@@ -632,6 +637,7 @@ clear_response_cache (struct TEH_KeyStateHandle *ksh)
 
     MHD_destroy_response (krd->response_compressed);
     MHD_destroy_response (krd->response_uncompressed);
+    GNUNET_free (krd->etag);
   }
   GNUNET_array_grow (ksh->krd_array,
                      ksh->krd_array_length,
@@ -1980,6 +1986,7 @@ create_krd (struct TEH_KeyStateHandle *ksh,
                   MHD_add_response_header (krd.response_compressed,
                                            MHD_HTTP_HEADER_ETAG,
                                            etag));
+    krd.etag = GNUNET_strdup (etag);
   }
   krd.cherry_pick_date = last_cpd;
   GNUNET_array_append (ksh->krd_array,

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