From 12a49cac0a561ada277e93549cae26a3123a6023 Mon Sep 17 00:00:00 2001 From: Pieter Wuille <pieter.wuille@gmail.com> Date: Fri, 21 Nov 2014 12:22:11 +0100 Subject: [PATCH] Limit the number of new addressses to accumulate --- src/net.h | 11 +++++++++-- 1 file changed, 9 insertions(+), 2 deletions(-) diff --git a/src/net.h b/src/net.h index e48acf564..a475be0b3 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); + } + } }