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Implement relay policy, and setting multicast limit to 0 now disables multicast on the network as would be expected.

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This commit is contained in:
Adam Ierymenko 2016-09-13 14:27:18 -07:00
parent ced8dfc639
commit 5b6d27e659
12 changed files with 159 additions and 83 deletions
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13
node/Path.hpp
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@ -104,6 +104,7 @@ public:
Path() :
_lastOut(0),
_lastIn(0),
_lastTrustEstablishedPacketReceived(0),
_addr(),
_localAddress(),
_ipScope(InetAddress::IP_SCOPE_NONE)
@ -113,6 +114,7 @@ public:
Path(const InetAddress &localAddress,const InetAddress &addr) :
_lastOut(0),
_lastIn(0),
_lastTrustEstablishedPacketReceived(0),
_addr(addr),
_localAddress(localAddress),
_ipScope(addr.ipScope())
@ -126,6 +128,11 @@ public:
*/
inline void received(const uint64_t t) { _lastIn = t; }
/**
* Set time last trusted packet was received (done in Peer::received())
*/
inline void trustedPacketReceived(const uint64_t t) { _lastTrustEstablishedPacketReceived = t; }
/**
* Send a packet via this path (last out time is also updated)
*
@ -159,6 +166,11 @@ public:
*/
inline InetAddress::IpScope ipScope() const { return _ipScope; }
/**
* @return True if path has received a trust established packet (e.g. common network membership) in the past ZT_TRUST_EXPIRATION ms
*/
inline bool trustEstablished(const uint64_t now) const { return ((now - _lastTrustEstablishedPacketReceived) < ZT_TRUST_EXPIRATION); }
/**
* @return Preference rank, higher == better
*/
@ -232,6 +244,7 @@ public:
private:
uint64_t _lastOut;
uint64_t _lastIn;
uint64_t _lastTrustEstablishedPacketReceived;
InetAddress _addr;
InetAddress _localAddress;
InetAddress::IpScope _ipScope; // memoize this since it's a computed value checked often