Introducing GNUNET_Uuid and matching hash map for 128 bit values.

TNG: reducing size of AcknowledgementUUIDPs from 256 bits to 128 bits.

1 files changed, 25 insertions, 0 deletions

diff --git a/src/include/gnunet_common.h b/src/include/gnunet_common.h
index 0fca53b7f..6b48c81d8 100644
--- a/src/include/gnunet_common.h
+++ b/src/include/gnunet_common.h
@@ -273,6 +273,18 @@ struct GNUNET_ShortHashCode
 
 
 /**
+ * A UUID, a 128 bit random value.
+ */
+struct GNUNET_Uuid
+{
+  /**
+   * 128 random bits.
+   */
+  uint32_t value[4];
+};
+
+
+/**
  * Header for all communications.
  */
 struct GNUNET_MessageHeader
@@ -655,6 +667,19 @@ GNUNET_sh2s (const struct GNUNET_ShortHashCode *shc);
 
 /**
  * @ingroup logging
+ * Convert a UUID to a string (for printing debug messages).
+ * This is one of the very few calls in the entire API that is
+ * NOT reentrant!
+ *
+ * @param uuid the UUID
+ * @return string
+ */
+const char *
+GNUNET_uuid2s (const struct GNUNET_Uuid *uuid);
+
+
+/**
+ * @ingroup logging
  * Convert a hash value to a string (for printing debug messages).
  * This is one of the very few calls in the entire API that is
  * NOT reentrant!