From 270debb3fc39c3f1f6a3f6fbc2c5fb6183182c8f Mon Sep 17 00:00:00 2001
From: Joseph Henry <josephjah@gmail.com>
Date: Fri, 1 Mar 2019 13:28:00 -0800
Subject: [PATCH] #ifdef'd out multipath/QoS statistics buffers allocations for
 ZT_PROTOCOL_VERSION<10

---
 node/Path.hpp | 6 ++++--
 node/Peer.cpp | 2 ++
 node/Peer.hpp | 2 ++
 3 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/node/Path.hpp b/node/Path.hpp
index a9e7d84df..6acba1725 100644
--- a/node/Path.hpp
+++ b/node/Path.hpp
@@ -161,6 +161,7 @@ public:
 
 	~Path()
 	{
+#if ZT_PROTO_VERSION >= 10
 		delete _throughputSamples;
 		delete _latencySamples;
 		delete _packetValiditySamples;
@@ -169,6 +170,7 @@ public:
 		_latencySamples = NULL;
 		_packetValiditySamples = NULL;
 		_throughputDisturbanceSamples = NULL;
+#endif
 	}
 
 	/**
@@ -651,12 +653,14 @@ public:
 	 * Initialize statistical buffers
 	 */
 	inline void prepareBuffers() {
+#if ZT_PROTO_VERSION >= 10
 		_throughputSamples = new RingBuffer<uint64_t>(ZT_PATH_QUALITY_METRIC_WIN_SZ);
 		_latencySamples = new RingBuffer<uint32_t>(ZT_PATH_QUALITY_METRIC_WIN_SZ);
 		_packetValiditySamples = new RingBuffer<bool>(ZT_PATH_QUALITY_METRIC_WIN_SZ);
 		_throughputDisturbanceSamples = new RingBuffer<float>(ZT_PATH_QUALITY_METRIC_WIN_SZ);
 		memset(_ifname, 0, 16);
 		memset(_addrString, 0, sizeof(_addrString));
+#endif
 	}
 
 private:
@@ -702,8 +706,6 @@ private:
 	float _lastComputedThroughputDistCoeff;
 	unsigned char _lastAllocation;
 
-
-
 	// cached human-readable strings for tracing purposes
 	char _ifname[16];
 	char _addrString[256];
diff --git a/node/Peer.cpp b/node/Peer.cpp
index aecbd3a04..9f8c5bbca 100644
--- a/node/Peer.cpp
+++ b/node/Peer.cpp
@@ -78,7 +78,9 @@ Peer::Peer(const RuntimeEnvironment *renv,const Identity &myIdentity,const Ident
 	Utils::getSecureRandom(&_freeRandomByte, 1);
 	if (!myIdentity.agree(peerIdentity,_key,ZT_PEER_SECRET_KEY_LENGTH))
 		throw ZT_EXCEPTION_INVALID_ARGUMENT;
+#if ZT_PROTO_VERSION >= 10
 	_pathChoiceHist = new RingBuffer<int>(ZT_MULTIPATH_PROPORTION_WIN_SZ);
+#endif
 }
 
 void Peer::received(
diff --git a/node/Peer.hpp b/node/Peer.hpp
index ae8f1e787..99d3fac26 100644
--- a/node/Peer.hpp
+++ b/node/Peer.hpp
@@ -62,7 +62,9 @@ private:
 public:
 	~Peer() {
 		Utils::burn(_key,sizeof(_key));
+#if ZT_PROTO_VERSION >= 10
 		delete _pathChoiceHist;
+#endif
 		_pathChoiceHist = NULL;
 	}