From a99752d30c73cd5040c9da3c05da3bbc2dc1b67e Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Sat, 15 Jun 2019 23:46:00 +0200
Subject: fix gnunet-gns performance issue for many egos

---
 src/include/gnunet_identity_service.h | 34 +++++++++++++++++++++++++++++-----
 1 file changed, 29 insertions(+), 5 deletions(-)

(limited to 'src/include/gnunet_identity_service.h')

diff --git a/src/include/gnunet_identity_service.h b/src/include/gnunet_identity_service.h
index b2472da43..52ed1e908 100644
--- a/src/include/gnunet_identity_service.h
+++ b/src/include/gnunet_identity_service.h
@@ -328,6 +328,24 @@ GNUNET_IDENTITY_ego_lookup (const struct GNUNET_CONFIGURATION_Handle *cfg,
 void
 GNUNET_IDENTITY_ego_lookup_cancel (struct GNUNET_IDENTITY_EgoLookup *el);
 
+/**
+ * Function called with the result.
+ *
+ * @param cls closure
+ * @param ego NULL on error / ego not found
+ * @param ego_name NULL on error, name of the ego otherwise
+ */
+typedef void (*GNUNET_IDENTITY_EgoSuffixCallback) (
+  void *cls,
+  const struct GNUNET_CRYPTO_EcdsaPrivateKey *priv,
+  const char *ego_name);
+
+
+/**
+ * Handle for suffix lookup.
+ */
+struct GNUNET_IDENTITY_EgoSuffixLookup;
+
 
 /**
  * Obtain the ego with the maximum suffix match between the
@@ -335,20 +353,26 @@ GNUNET_IDENTITY_ego_lookup_cancel (struct GNUNET_IDENTITY_EgoLookup *el);
  * a @a suffix "a.b.c" and egos with names "d.a.b.c", "b.c" and "c",
  * we return the ego for "b.c".
  *
- * @param id identity service to query
+ * @param cfg configuration to use
  * @param suffix for which domain name suffix is an identity wanted
  * @param cb function to call with the result (will only be called once)
  * @param cb_cls closure for @a cb
  * @return handle to abort the operation
  */
-struct GNUNET_IDENTITY_EgoLookup *
-GNUNET_IDENTITY_ego_lookup_by_suffix (struct GNUNET_IDENTITY_Handle *id,
+struct GNUNET_IDENTITY_EgoSuffixLookup *
+GNUNET_IDENTITY_ego_lookup_by_suffix (const struct GNUNET_CONFIGURATION_Handle *cfg,
 				      const char *suffix,
-				      GNUNET_IDENTITY_EgoCallback cb,
+				      GNUNET_IDENTITY_EgoSuffixCallback cb,
 				      void *cb_cls);
 
 
-
+/**
+ * Abort ego suffix lookup attempt.
+ *
+ * @param el handle for lookup to abort
+ */
+void
+GNUNET_IDENTITY_ego_lookup_by_suffix_cancel (struct GNUNET_IDENTITY_EgoSuffixLookup *el);
 
 #if 0 /* keep Emacsens' auto-indent happy */
 {
-- 
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