* (for instance 'gnunet://'). If you put a variable part in there (*, +. ()),
* all matching strings will be stored in the DHT.
*
- * @param h handle to mesh.
- * @param regex string with the regular expression describing local services.
+ * @param h Handle to mesh.
+ * @param regex String with the regular expression describing local services.
+ * @param compression_characters How many characters can be assigned to one
+ * edge of the graph. The bigger the variability
+ * of the data, the smaller this parameter should
+ * be (down to 1).
+ * For maximum compression, use strlen (regex)
+ * or 0 (special value). Use with care!
*/
void
GNUNET_MESH_announce_regex (struct GNUNET_MESH_Handle *h,
- const char *regex)
+ const char *regex,
+ unsigned int compression_characters)
{
- struct GNUNET_MessageHeader *msg;
+ struct GNUNET_MESH_RegexAnnounce *msg;
size_t len;
size_t msgsize;
len = strlen (regex);
- msgsize = sizeof(struct GNUNET_MessageHeader) + len;
+ msgsize = sizeof(struct GNUNET_MESH_RegexAnnounce) + len;
GNUNET_assert (UINT16_MAX > msgsize);
{
char buffer[msgsize];
- msg = (struct GNUNET_MessageHeader *) buffer;
- msg->size = htons (msgsize);
- msg->type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_ANNOUNCE_REGEX);
+ msg = (struct GNUNET_MESH_RegexAnnounce *) buffer;
+ msg->header.size = htons (msgsize);
+ msg->header.type = htons (GNUNET_MESSAGE_TYPE_MESH_LOCAL_ANNOUNCE_REGEX);
+ msg->compression_characters = htons (compression_characters);
memcpy (&msg[1], regex, len);
send_packet(h, msg, NULL);