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-rw-r--r--node/Constants.hpp29
1 files changed, 26 insertions, 3 deletions
diff --git a/node/Constants.hpp b/node/Constants.hpp
index b085d446..d1759070 100644
--- a/node/Constants.hpp
+++ b/node/Constants.hpp
@@ -191,7 +191,7 @@
#define ZT_PEER_SECRET_KEY_LENGTH 32
/**
- * How often Topology::clean() and Network::clean() are called in ms
+ * How often Topology::clean() and Network::clean() and similar are called, in ms
*/
#define ZT_DB_CLEAN_PERIOD 300000
@@ -238,9 +238,32 @@
#define ZT_MULTICAST_LOCAL_POLL_PERIOD 10000
/**
- * Minimum delay between attempts to gather multicast topology info if members > 0
+ * Minimum delay between multicast endpoint gathering attempts
+ *
+ * Actual delay will vary between MIN and MAX research rate depending on
+ * how many endpoints we have -- MIN for 0, MAX for one less than limit.
+ * If we have the limit of known multicast endpoints, no further attempts
+ * to gather them are made.
+ */
+#define ZT_MULTICAST_TOPOLOGY_GATHER_DELAY_MIN (ZT_MULTICAST_LIKE_EXPIRE / 50)
+
+/**
+ * Maximum delay between multicast endpoint gathering attempts
+ */
+#define ZT_MULTICAST_TOPOLOGY_GATHER_DELAY_MAX (ZT_MULTICAST_LIKE_EXPIRE / 2)
+
+/**
+ * Timeout for outgoing multicasts
+ *
+ * Attempts will be made to gather recipients and send until we reach
+ * the limit or sending times out.
+ */
+#define ZT_MULTICAST_TRANSMIT_TIMEOUT (ZT_MULTICAST_TOPOLOGY_GATHER_DELAY_MIN * 3)
+
+/**
+ * Default maximum number of peers to address with a single multicast (if unspecified in network)
*/
-#define ZT_MULTICAST_TOPOLOGY_RESEARCH_RATE_THROTTLE 120000
+#define ZT_DEFAULT_MULTICAST_LIMIT 64
/**
* Delay between scans of the topology active peer DB for peers that need ping