From b3e3d4cacca37a4850e4e1a91fb8c42a5b13cb26 Mon Sep 17 00:00:00 2001
From: Adam Ierymenko <adam.ierymenko@gmail.com>
Date: Mon, 11 Jan 2016 10:17:44 -0800
Subject: Instead of using binary packet comparison, add a callback to the API
 to explicitly check whether paths should be used. Check in with this callback
 (if present) when learning new paths or sending initial packets.

---
 node/Node.hpp | 9 +++++++++
 1 file changed, 9 insertions(+)

(limited to 'node/Node.hpp')

diff --git a/node/Node.hpp b/node/Node.hpp
index 15295139..b6b32363 100644
--- a/node/Node.hpp
+++ b/node/Node.hpp
@@ -71,6 +71,7 @@ public:
 		ZT_WirePacketSendFunction wirePacketSendFunction,
 		ZT_VirtualNetworkFrameFunction virtualNetworkFrameFunction,
 		ZT_VirtualNetworkConfigFunction virtualNetworkConfigFunction,
+		ZT_PathCheckFunction pathCheckFunction,
 		ZT_EventCallback eventCallback);
 
 	~Node();
@@ -189,6 +190,13 @@ public:
 			len);
 	}
 
+	/**
+	 * @param localAddress Local address
+	 * @param remoteAddress Remote address
+	 * @return True if path should be used
+	 */
+	bool shouldUsePathForZeroTierTraffic(const InetAddress &localAddress,const InetAddress &remoteAddress);
+
 	inline SharedPtr<Network> network(uint64_t nwid) const
 	{
 		Mutex::Lock _l(_networks_m);
@@ -288,6 +296,7 @@ private:
 	ZT_WirePacketSendFunction _wirePacketSendFunction;
 	ZT_VirtualNetworkFrameFunction _virtualNetworkFrameFunction;
 	ZT_VirtualNetworkConfigFunction _virtualNetworkConfigFunction;
+	ZT_PathCheckFunction _pathCheckFunction;
 	ZT_EventCallback _eventCallback;
 
 	std::vector< std::pair< uint64_t, SharedPtr<Network> > > _networks;
-- 
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