diff options
Diffstat (limited to 'node/Path.hpp')
| -rw-r--r-- | node/Path.hpp | 51 |
1 files changed, 15 insertions, 36 deletions
diff --git a/node/Path.hpp b/node/Path.hpp index a6f56d31..854b28e2 100644 --- a/node/Path.hpp +++ b/node/Path.hpp @@ -66,49 +66,28 @@ public: public: HashKey() {} - HashKey(const InetAddress &l,const InetAddress &r) + HashKey(const int64_t l,const InetAddress &r) { - // This is an ad-hoc bit packing algorithm to yield unique keys for - // remote addresses and their local-side counterparts if defined. - // Portability across runtimes is not needed. if (r.ss_family == AF_INET) { _k[0] = (uint64_t)reinterpret_cast<const struct sockaddr_in *>(&r)->sin_addr.s_addr; _k[1] = (uint64_t)reinterpret_cast<const struct sockaddr_in *>(&r)->sin_port; - if (l.ss_family == AF_INET) { - _k[2] = (uint64_t)reinterpret_cast<const struct sockaddr_in *>(&l)->sin_addr.s_addr; - _k[3] = (uint64_t)reinterpret_cast<const struct sockaddr_in *>(&r)->sin_port; - } else { - _k[2] = 0; - _k[3] = 0; - } + _k[2] = (uint64_t)l; } else if (r.ss_family == AF_INET6) { - const uint8_t *a = reinterpret_cast<const uint8_t *>(reinterpret_cast<const struct sockaddr_in6 *>(&r)->sin6_addr.s6_addr); - uint8_t *b = reinterpret_cast<uint8_t *>(_k); - for(unsigned int i=0;i<16;++i) b[i] = a[i]; - _k[2] = ~((uint64_t)reinterpret_cast<const struct sockaddr_in6 *>(&r)->sin6_port); - if (l.ss_family == AF_INET6) { - _k[2] ^= ((uint64_t)reinterpret_cast<const struct sockaddr_in6 *>(&r)->sin6_port) << 32; - a = reinterpret_cast<const uint8_t *>(reinterpret_cast<const struct sockaddr_in6 *>(&l)->sin6_addr.s6_addr); - b += 24; - for(unsigned int i=0;i<8;++i) b[i] = a[i]; - a += 8; - for(unsigned int i=0;i<8;++i) b[i] ^= a[i]; - } + memcpy(_k,reinterpret_cast<const struct sockaddr_in6 *>(&r)->sin6_addr.s6_addr,16); + _k[2] = ((uint64_t)reinterpret_cast<const struct sockaddr_in6 *>(&r)->sin6_port << 32) ^ (uint64_t)l; } else { - _k[0] = 0; - _k[1] = 0; - _k[2] = 0; - _k[3] = 0; + memcpy(_k,&r,std::min(sizeof(_k),sizeof(InetAddress))); + _k[2] += (uint64_t)l; } } - inline unsigned long hashCode() const { return (unsigned long)(_k[0] + _k[1] + _k[2] + _k[3]); } + inline unsigned long hashCode() const { return (unsigned long)(_k[0] + _k[1] + _k[2]); } - inline bool operator==(const HashKey &k) const { return ( (_k[0] == k._k[0]) && (_k[1] == k._k[1]) && (_k[2] == k._k[2]) && (_k[3] == k._k[3]) ); } + inline bool operator==(const HashKey &k) const { return ( (_k[0] == k._k[0]) && (_k[1] == k._k[1]) && (_k[2] == k._k[2]) ); } inline bool operator!=(const HashKey &k) const { return (!(*this == k)); } private: - uint64_t _k[4]; + uint64_t _k[3]; }; Path() : @@ -116,29 +95,29 @@ public: _lastIn(0), _lastTrustEstablishedPacketReceived(0), _incomingLinkQualityFastLog(0xffffffffffffffffULL), + _localSocket(-1), _incomingLinkQualitySlowLogPtr(0), _incomingLinkQualitySlowLogCounter(-64), // discard first fast log _incomingLinkQualityPreviousPacketCounter(0), _outgoingPacketCounter(0), _addr(), - _localAddress(), _ipScope(InetAddress::IP_SCOPE_NONE) { for(int i=0;i<(int)sizeof(_incomingLinkQualitySlowLog);++i) _incomingLinkQualitySlowLog[i] = ZT_PATH_LINK_QUALITY_MAX; } - Path(const InetAddress &localAddress,const InetAddress &addr) : + Path(const int64_t localSocket,const InetAddress &addr) : _lastOut(0), _lastIn(0), _lastTrustEstablishedPacketReceived(0), _incomingLinkQualityFastLog(0xffffffffffffffffULL), + _localSocket(localSocket), _incomingLinkQualitySlowLogPtr(0), _incomingLinkQualitySlowLogCounter(-64), // discard first fast log _incomingLinkQualityPreviousPacketCounter(0), _outgoingPacketCounter(0), _addr(addr), - _localAddress(localAddress), _ipScope(addr.ipScope()) { for(int i=0;i<(int)sizeof(_incomingLinkQualitySlowLog);++i) @@ -210,9 +189,9 @@ public: inline void sent(const uint64_t t) { _lastOut = t; } /** - * @return Address of local side of this path or NULL if unspecified + * @return Local socket as specified by external code */ - inline const InetAddress &localAddress() const { return _localAddress; } + inline const int64_t localSocket() const { return _localSocket; } /** * @return Physical address @@ -328,12 +307,12 @@ private: volatile uint64_t _lastIn; volatile uint64_t _lastTrustEstablishedPacketReceived; volatile uint64_t _incomingLinkQualityFastLog; + int64_t _localSocket; volatile unsigned long _incomingLinkQualitySlowLogPtr; volatile signed int _incomingLinkQualitySlowLogCounter; volatile unsigned int _incomingLinkQualityPreviousPacketCounter; volatile unsigned int _outgoingPacketCounter; InetAddress _addr; - InetAddress _localAddress; InetAddress::IpScope _ipScope; // memoize this since it's a computed value checked often volatile uint8_t _incomingLinkQualitySlowLog[32]; AtomicCounter __refCount; |