From 91ef4d93d4952759a6c766fd94eaf2c1df78c372 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Pavel=20Jan=C3=ADk?= <Pavel@Janik.cz>
Date: Tue, 11 Aug 2015 15:57:52 +0200
Subject: Do not store more than 200 timedata samples.

Github-Pull: #6797
Rebased-From: 8be371db340b03dc03142c1bb3390fdfc84f56b4
---
 src/timedata.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src')

diff --git a/src/timedata.cpp b/src/timedata.cpp
index 59f7778db1..61a113513d 100644
--- a/src/timedata.cpp
+++ b/src/timedata.cpp
@@ -40,6 +40,8 @@ static int64_t abs64(int64_t n)
     return (n >= 0 ? n : -n);
 }
 
+#define BITCOIN_TIMEDATA_MAX_SAMPLES 200
+
 void AddTimeData(const CNetAddr& ip, int64_t nTime)
 {
     int64_t nOffsetSample = nTime - GetTime();
@@ -47,11 +49,13 @@ void AddTimeData(const CNetAddr& ip, int64_t nTime)
     LOCK(cs_nTimeOffset);
     // Ignore duplicates
     static set<CNetAddr> setKnown;
+    if (setKnown.size() == BITCOIN_TIMEDATA_MAX_SAMPLES)
+        return;
     if (!setKnown.insert(ip).second)
         return;
 
     // Add data
-    static CMedianFilter<int64_t> vTimeOffsets(200,0);
+    static CMedianFilter<int64_t> vTimeOffsets(BITCOIN_TIMEDATA_MAX_SAMPLES, 0);
     vTimeOffsets.input(nOffsetSample);
     LogPrintf("Added time data, samples %d, offset %+d (%+d minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
 
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