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-rw-r--r--src/net.h11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/net.h b/src/net.h
index e48acf5644..a475be0b33 100644
--- a/src/net.h
+++ b/src/net.h
@@ -44,6 +44,8 @@ static const int PING_INTERVAL = 2 * 60;
static const int TIMEOUT_INTERVAL = 20 * 60;
/** The maximum number of entries in an 'inv' protocol message */
static const unsigned int MAX_INV_SZ = 50000;
+/** The maximum number of new addresses to accumulate before announcing. */
+static const unsigned int MAX_ADDR_TO_SEND = 1000;
/** -listen default */
static const bool DEFAULT_LISTEN = true;
/** -upnp default */
@@ -368,8 +370,13 @@ public:
// Known checking here is only to save space from duplicates.
// SendMessages will filter it again for knowns that were added
// after addresses were pushed.
- if (addr.IsValid() && !setAddrKnown.count(addr))
- vAddrToSend.push_back(addr);
+ if (addr.IsValid() && !setAddrKnown.count(addr)) {
+ if (vAddrToSend.size() >= MAX_ADDR_TO_SEND) {
+ vAddrToSend[insecure_rand() % vAddrToSend.size()] = addr;
+ } else {
+ vAddrToSend.push_back(addr);
+ }
+ }
}