diff options
Diffstat (limited to 'service/OneService.cpp')
-rw-r--r-- | service/OneService.cpp | 136 |
1 files changed, 65 insertions, 71 deletions
diff --git a/service/OneService.cpp b/service/OneService.cpp index 27874518..6e6de8bd 100644 --- a/service/OneService.cpp +++ b/service/OneService.cpp @@ -118,20 +118,20 @@ namespace ZeroTier { typedef BSDEthernetTap EthernetTap; } #define ZT_TAP_CHECK_MULTICAST_INTERVAL 30000 // Path under ZT1 home for controller database if controller is enabled -#define ZT1_CONTROLLER_DB_PATH "controller.db" +#define ZT_CONTROLLER_DB_PATH "controller.db" // TCP fallback relay host -- geo-distributed using Amazon Route53 geo-aware DNS -#define ZT1_TCP_FALLBACK_RELAY "tcp-fallback.zerotier.com" -#define ZT1_TCP_FALLBACK_RELAY_PORT 443 +#define ZT_TCP_FALLBACK_RELAY "tcp-fallback.zerotier.com" +#define ZT_TCP_FALLBACK_RELAY_PORT 443 // Frequency at which we re-resolve the TCP fallback relay -#define ZT1_TCP_FALLBACK_RERESOLVE_DELAY 86400000 +#define ZT_TCP_FALLBACK_RERESOLVE_DELAY 86400000 // Attempt to engage TCP fallback after this many ms of no reply to packets sent to global-scope IPs -#define ZT1_TCP_FALLBACK_AFTER 60000 +#define ZT_TCP_FALLBACK_AFTER 60000 // How often to check for local interface addresses -#define ZT1_LOCAL_INTERFACE_CHECK_INTERVAL 300000 +#define ZT_LOCAL_INTERFACE_CHECK_INTERVAL 300000 namespace ZeroTier { @@ -340,12 +340,12 @@ static BackgroundSoftwareUpdateChecker backgroundSoftwareUpdateChecker; class OneServiceImpl; -static int SnodeVirtualNetworkConfigFunction(ZT1_Node *node,void *uptr,uint64_t nwid,enum ZT1_VirtualNetworkConfigOperation op,const ZT1_VirtualNetworkConfig *nwconf); -static void SnodeEventCallback(ZT1_Node *node,void *uptr,enum ZT1_Event event,const void *metaData); -static long SnodeDataStoreGetFunction(ZT1_Node *node,void *uptr,const char *name,void *buf,unsigned long bufSize,unsigned long readIndex,unsigned long *totalSize); -static int SnodeDataStorePutFunction(ZT1_Node *node,void *uptr,const char *name,const void *data,unsigned long len,int secure); -static int SnodeWirePacketSendFunction(ZT1_Node *node,void *uptr,int localInterfaceId,const struct sockaddr_storage *addr,const void *data,unsigned int len); -static void SnodeVirtualNetworkFrameFunction(ZT1_Node *node,void *uptr,uint64_t nwid,uint64_t sourceMac,uint64_t destMac,unsigned int etherType,unsigned int vlanId,const void *data,unsigned int len); +static int SnodeVirtualNetworkConfigFunction(ZT_Node *node,void *uptr,uint64_t nwid,enum ZT_VirtualNetworkConfigOperation op,const ZT_VirtualNetworkConfig *nwconf); +static void SnodeEventCallback(ZT_Node *node,void *uptr,enum ZT_Event event,const void *metaData); +static long SnodeDataStoreGetFunction(ZT_Node *node,void *uptr,const char *name,void *buf,unsigned long bufSize,unsigned long readIndex,unsigned long *totalSize); +static int SnodeDataStorePutFunction(ZT_Node *node,void *uptr,const char *name,const void *data,unsigned long len,int secure); +static int SnodeWirePacketSendFunction(ZT_Node *node,void *uptr,const struct sockaddr_storage *localAddr,const struct sockaddr_storage *addr,const void *data,unsigned int len); +static void SnodeVirtualNetworkFrameFunction(ZT_Node *node,void *uptr,uint64_t nwid,uint64_t sourceMac,uint64_t destMac,unsigned int etherType,unsigned int vlanId,const void *data,unsigned int len); static void StapFrameHandler(void *uptr,uint64_t nwid,const MAC &from,const MAC &to,unsigned int etherType,unsigned int vlanId,const void *data,unsigned int len); @@ -396,18 +396,14 @@ struct TcpConnection Mutex writeBuf_m; }; -// Interface IDs -- the uptr for UDP sockets is set to point to one of these -static const int ZT1_INTERFACE_ID_DEFAULT = 0; // default, usually port 9993 -static const int ZT1_INTERFACE_ID_UPNP = 1; // a randomly chosen UDP socket used with uPnP mappings, if enabled - class OneServiceImpl : public OneService { public: OneServiceImpl(const char *hp,unsigned int port,const char *overrideRootTopology) : _homePath((hp) ? hp : "."), - _tcpFallbackResolver(ZT1_TCP_FALLBACK_RELAY), + _tcpFallbackResolver(ZT_TCP_FALLBACK_RELAY), #ifdef ZT_ENABLE_NETWORK_CONTROLLER - _controller((_homePath + ZT_PATH_SEPARATOR_S + ZT1_CONTROLLER_DB_PATH).c_str()), + _controller((_homePath + ZT_PATH_SEPARATOR_S + ZT_CONTROLLER_DB_PATH).c_str()), #endif _phy(this,false,true), _overrideRootTopology((overrideRootTopology) ? overrideRootTopology : ""), @@ -426,9 +422,6 @@ public: #endif _run(true) { - struct sockaddr_in in4; - struct sockaddr_in6 in6; - const int portTrials = (port == 0) ? 256 : 1; // if port is 0, pick random for(int k=0;k<portTrials;++k) { if (port == 0) { @@ -437,24 +430,26 @@ public: port = 40000 + (randp % 25500); } - memset((void *)&in4,0,sizeof(in4)); - in4.sin_family = AF_INET; - in4.sin_port = Utils::hton((uint16_t)port); - - _v4UdpSocket = _phy.udpBind((const struct sockaddr *)&in4,reinterpret_cast<void *>(const_cast<int *>(&ZT1_INTERFACE_ID_DEFAULT)),131072); + _v4LocalAddress = InetAddress((uint32_t)0,port); + _v4UdpSocket = _phy.udpBind((const struct sockaddr *)&_v4LocalAddress,reinterpret_cast<void *>(&_v4LocalAddress),131072); if (_v4UdpSocket) { + struct sockaddr_in in4; + memset(&in4,0,sizeof(in4)); + in4.sin_family = AF_INET; in4.sin_addr.s_addr = Utils::hton((uint32_t)0x7f000001); // right now we just listen for TCP @localhost + in4.sin_port = Utils::hton((uint16_t)port); _v4TcpListenSocket = _phy.tcpListen((const struct sockaddr *)&in4,this); if (_v4TcpListenSocket) { + _v6LocalAddress = InetAddress("\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0",16,port); + _v6UdpSocket = _phy.udpBind((const struct sockaddr *)&_v6LocalAddress,reinterpret_cast<void *>(&_v6LocalAddress),131072); + + struct sockaddr_in6 in6; memset((void *)&in6,0,sizeof(in6)); in6.sin6_family = AF_INET6; in6.sin6_port = in4.sin_port; - - _v6UdpSocket = _phy.udpBind((const struct sockaddr *)&in6,reinterpret_cast<void *>(const_cast<int *>(&ZT1_INTERFACE_ID_DEFAULT)),131072); - - in6.sin6_addr.s6_addr[15] = 1; // listen for TCP only at localhost + in6.sin6_addr.s6_addr[15] = 1; // IPv6 localhost == ::1 _v6TcpListenSocket = _phy.tcpListen((const struct sockaddr *)&in6,this); _port = port; @@ -484,11 +479,8 @@ public: Utils::getSecureRandom(&randp,sizeof(randp)); unsigned int upnport = 40000 + (randp % 25500); - memset((void *)&in4,0,sizeof(in4)); - in4.sin_family = AF_INET; - in4.sin_port = Utils::hton((uint16_t)upnport); - - _v4UpnpUdpSocket = _phy.udpBind((const struct sockaddr *)&in4,reinterpret_cast<void *>(const_cast<int *>(&ZT1_INTERFACE_ID_UPNP)),131072); + _v4UpnpLocalAddress = InetAddress(0,upnport); + _v4UpnpUdpSocket = _phy.udpBind((const struct sockaddr *)&_v4UpnpLocalAddress,reinterpret_cast<void *>(&_v4UpnpLocalAddress),131072); if (_v4UpnpUdpSocket) { _upnpClient = new UPNPClient(upnport); break; @@ -567,7 +559,7 @@ public: _lastRestart = clockShouldBe; uint64_t lastTapMulticastGroupCheck = 0; uint64_t lastTcpFallbackResolve = 0; - uint64_t lastLocalInterfaceAddressCheck = (OSUtils::now() - ZT1_LOCAL_INTERFACE_CHECK_INTERVAL) + 15000; // do this in 15s to give UPnP time to configure and other things time to settle + uint64_t lastLocalInterfaceAddressCheck = (OSUtils::now() - ZT_LOCAL_INTERFACE_CHECK_INTERVAL) + 15000; // do this in 15s to give UPnP time to configure and other things time to settle #ifdef ZT_AUTO_UPDATE uint64_t lastSoftwareUpdateCheck = 0; #endif // ZT_AUTO_UPDATE @@ -600,12 +592,12 @@ public: } #endif // ZT_AUTO_UPDATE - if ((now - lastTcpFallbackResolve) >= ZT1_TCP_FALLBACK_RERESOLVE_DELAY) { + if ((now - lastTcpFallbackResolve) >= ZT_TCP_FALLBACK_RERESOLVE_DELAY) { lastTcpFallbackResolve = now; _tcpFallbackResolver.resolveNow(); } - if ((_tcpFallbackTunnel)&&((now - _lastDirectReceiveFromGlobal) < (ZT1_TCP_FALLBACK_AFTER / 2))) + if ((_tcpFallbackTunnel)&&((now - _lastDirectReceiveFromGlobal) < (ZT_TCP_FALLBACK_AFTER / 2))) _phy.close(_tcpFallbackTunnel->sock); if ((now - lastTapMulticastGroupCheck) >= ZT_TAP_CHECK_MULTICAST_INTERVAL) { @@ -621,7 +613,7 @@ public: } } - if ((now - lastLocalInterfaceAddressCheck) >= ZT1_LOCAL_INTERFACE_CHECK_INTERVAL) { + if ((now - lastLocalInterfaceAddressCheck) >= ZT_LOCAL_INTERFACE_CHECK_INTERVAL) { lastLocalInterfaceAddressCheck = now; #ifdef __UNIX_LIKE__ @@ -637,7 +629,7 @@ public: #ifdef ZT_USE_MINIUPNPC std::vector<InetAddress> upnpAddresses(_upnpClient->get()); for(std::vector<InetAddress>::const_iterator ext(upnpAddresses.begin());ext!=upnpAddresses.end();++ext) - _node->addLocalInterfaceAddress(reinterpret_cast<const struct sockaddr_storage *>(&(*ext)),0,ZT1_LOCAL_INTERFACE_ADDRESS_TRUST_NORMAL); + _node->addLocalInterfaceAddress(reinterpret_cast<const struct sockaddr_storage *>(&(*ext)),0,ZT_LOCAL_INTERFACE_ADDRESS_TRUST_NORMAL); #endif struct ifaddrs *ifatbl = (struct ifaddrs *)0; @@ -655,7 +647,7 @@ public: if (!isZT) { InetAddress ip(ifa->ifa_addr); ip.setPort(_port); - _node->addLocalInterfaceAddress(reinterpret_cast<const struct sockaddr_storage *>(&ip),0,ZT1_LOCAL_INTERFACE_ADDRESS_TRUST_NORMAL); + _node->addLocalInterfaceAddress(reinterpret_cast<const struct sockaddr_storage *>(&ip),0,ZT_LOCAL_INTERFACE_ADDRESS_TRUST_NORMAL); } } ifa = ifa->ifa_next; @@ -689,7 +681,7 @@ public: while (ua) { InetAddress ip(ua->Address.lpSockaddr); ip.setPort(_port); - _node->addLocalInterfaceAddress(reinterpret_cast<const struct sockaddr_storage *>(&ip),0,ZT1_LOCAL_INTERFACE_ADDRESS_TRUST_NORMAL); + _node->addLocalInterfaceAddress(reinterpret_cast<const struct sockaddr_storage *>(&ip),0,ZT_LOCAL_INTERFACE_ADDRESS_TRUST_NORMAL); ua = ua->Next; } } @@ -777,14 +769,14 @@ public: #endif if ((len >= 16)&&(reinterpret_cast<const InetAddress *>(from)->ipScope() == InetAddress::IP_SCOPE_GLOBAL)) _lastDirectReceiveFromGlobal = OSUtils::now(); - ZT1_ResultCode rc = _node->processWirePacket( + ZT_ResultCode rc = _node->processWirePacket( OSUtils::now(), - *(reinterpret_cast<const int *>(*uptr)), // for UDP sockets, we set uptr to point to their interface ID + reinterpret_cast<const struct sockaddr_storage *>(*uptr), (const struct sockaddr_storage *)from, // Phy<> uses sockaddr_storage, so it'll always be that big data, len, &_nextBackgroundTaskDeadline); - if (ZT1_ResultCode_isFatal(rc)) { + if (ZT_ResultCode_isFatal(rc)) { char tmp[256]; Utils::snprintf(tmp,sizeof(tmp),"fatal error code from processWirePacket: %d",(int)rc); Mutex::Lock _l(_termReason_m); @@ -926,14 +918,14 @@ public: } if (from) { - ZT1_ResultCode rc = _node->processWirePacket( + ZT_ResultCode rc = _node->processWirePacket( OSUtils::now(), 0, reinterpret_cast<struct sockaddr_storage *>(&from), data, plen, &_nextBackgroundTaskDeadline); - if (ZT1_ResultCode_isFatal(rc)) { + if (ZT_ResultCode_isFatal(rc)) { char tmp[256]; Utils::snprintf(tmp,sizeof(tmp),"fatal error code from processWirePacket: %d",(int)rc); Mutex::Lock _l(_termReason_m); @@ -986,12 +978,12 @@ public: inline void phyOnSocketPairEndpointData(PhySocket *sock,void **uptr,void *data,unsigned long len) {} inline void phyOnSocketPairEndpointWritable(PhySocket *sock,void **uptr) {} - inline int nodeVirtualNetworkConfigFunction(uint64_t nwid,enum ZT1_VirtualNetworkConfigOperation op,const ZT1_VirtualNetworkConfig *nwc) + inline int nodeVirtualNetworkConfigFunction(uint64_t nwid,enum ZT_VirtualNetworkConfigOperation op,const ZT_VirtualNetworkConfig *nwc) { Mutex::Lock _l(_taps_m); std::map< uint64_t,EthernetTap * >::iterator t(_taps.find(nwid)); switch(op) { - case ZT1_VIRTUAL_NETWORK_CONFIG_OPERATION_UP: + case ZT_VIRTUAL_NETWORK_CONFIG_OPERATION_UP: if (t == _taps.end()) { try { char friendlyName[1024]; @@ -1021,7 +1013,7 @@ public: } } // fall through... - case ZT1_VIRTUAL_NETWORK_CONFIG_OPERATION_CONFIG_UPDATE: + case ZT_VIRTUAL_NETWORK_CONFIG_OPERATION_CONFIG_UPDATE: if (t != _taps.end()) { t->second->setEnabled(nwc->enabled != 0); @@ -1044,8 +1036,8 @@ public: return -999; // tap init failed } break; - case ZT1_VIRTUAL_NETWORK_CONFIG_OPERATION_DOWN: - case ZT1_VIRTUAL_NETWORK_CONFIG_OPERATION_DESTROY: + case ZT_VIRTUAL_NETWORK_CONFIG_OPERATION_DOWN: + case ZT_VIRTUAL_NETWORK_CONFIG_OPERATION_DESTROY: if (t != _taps.end()) { #ifdef __WINDOWS__ std::string winInstanceId(t->second->instanceId()); @@ -1054,7 +1046,7 @@ public: _taps.erase(t); _tapAssignedIps.erase(nwid); #ifdef __WINDOWS__ - if ((op == ZT1_VIRTUAL_NETWORK_CONFIG_OPERATION_DESTROY)&&(winInstanceId.length() > 0)) + if ((op == ZT_VIRTUAL_NETWORK_CONFIG_OPERATION_DESTROY)&&(winInstanceId.length() > 0)) WindowsEthernetTap::deletePersistentTapDevice(winInstanceId.c_str()); #endif } @@ -1063,17 +1055,17 @@ public: return 0; } - inline void nodeEventCallback(enum ZT1_Event event,const void *metaData) + inline void nodeEventCallback(enum ZT_Event event,const void *metaData) { switch(event) { - case ZT1_EVENT_FATAL_ERROR_IDENTITY_COLLISION: { + case ZT_EVENT_FATAL_ERROR_IDENTITY_COLLISION: { Mutex::Lock _l(_termReason_m); _termReason = ONE_IDENTITY_COLLISION; _fatalErrorMessage = "identity/address collision"; this->terminate(); } break; - case ZT1_EVENT_TRACE: { + case ZT_EVENT_TRACE: { if (metaData) { ::fprintf(stderr,"%s"ZT_EOL_S,(const char *)metaData); ::fflush(stderr); @@ -1139,10 +1131,10 @@ public: } } - inline int nodeWirePacketSendFunction(int localInterfaceId,const struct sockaddr_storage *addr,const void *data,unsigned int len) + inline int nodeWirePacketSendFunction(const struct sockaddr_storage *localAddr,const struct sockaddr_storage *addr,const void *data,unsigned int len) { #ifdef ZT_USE_MINIUPNPC - if (localInterfaceId == ZT1_INTERFACE_ID_UPNP) { + if ((localAddr->ss_family == AF_INET)&&(reinterpret_cast<const struct sockaddr_in *>(localAddr)->sin_port == reinterpret_cast<const struct sockaddr_in *>(&_v4UpnpLocalAddress)->sin_port)) { #ifdef ZT_BREAK_UDP if (!OSUtils::fileExists("/tmp/ZT_BREAK_UDP")) { #endif @@ -1167,15 +1159,15 @@ public: } #endif -#ifdef ZT1_TCP_FALLBACK_RELAY +#ifdef ZT_TCP_FALLBACK_RELAY // TCP fallback tunnel support if ((len >= 16)&&(reinterpret_cast<const InetAddress *>(addr)->ipScope() == InetAddress::IP_SCOPE_GLOBAL)) { uint64_t now = OSUtils::now(); // Engage TCP tunnel fallback if we haven't received anything valid from a global - // IP address in ZT1_TCP_FALLBACK_AFTER milliseconds. If we do start getting + // IP address in ZT_TCP_FALLBACK_AFTER milliseconds. If we do start getting // valid direct traffic we'll stop using it and close the socket after a while. - if (((now - _lastDirectReceiveFromGlobal) > ZT1_TCP_FALLBACK_AFTER)&&((now - _lastRestart) > ZT1_TCP_FALLBACK_AFTER)) { + if (((now - _lastDirectReceiveFromGlobal) > ZT_TCP_FALLBACK_AFTER)&&((now - _lastRestart) > ZT_TCP_FALLBACK_AFTER)) { if (_tcpFallbackTunnel) { Mutex::Lock _l(_tcpFallbackTunnel->writeBuf_m); if (!_tcpFallbackTunnel->writeBuf.length()) @@ -1191,7 +1183,7 @@ public: _tcpFallbackTunnel->writeBuf.append(reinterpret_cast<const char *>(reinterpret_cast<const void *>(&(reinterpret_cast<const struct sockaddr_in *>(addr)->sin_port))),2); _tcpFallbackTunnel->writeBuf.append((const char *)data,len); result = 0; - } else if (((now - _lastSendToGlobal) < ZT1_TCP_FALLBACK_AFTER)&&((now - _lastSendToGlobal) > (ZT_PING_CHECK_INVERVAL / 2))) { + } else if (((now - _lastSendToGlobal) < ZT_TCP_FALLBACK_AFTER)&&((now - _lastSendToGlobal) > (ZT_PING_CHECK_INVERVAL / 2))) { std::vector<InetAddress> tunnelIps(_tcpFallbackResolver.get()); if (tunnelIps.empty()) { if (!_tcpFallbackResolver.running()) @@ -1199,7 +1191,7 @@ public: } else { bool connected = false; InetAddress addr(tunnelIps[(unsigned long)now % tunnelIps.size()]); - addr.setPort(ZT1_TCP_FALLBACK_RELAY_PORT); + addr.setPort(ZT_TCP_FALLBACK_RELAY_PORT); _phy.tcpConnect(reinterpret_cast<const struct sockaddr *>(&addr),connected); } } @@ -1207,7 +1199,7 @@ public: _lastSendToGlobal = now; } -#endif // ZT1_TCP_FALLBACK_RELAY +#endif // ZT_TCP_FALLBACK_RELAY break; @@ -1319,6 +1311,7 @@ private: Phy<OneServiceImpl *> _phy; std::string _overrideRootTopology; Node *_node; + InetAddress _v4LocalAddress,_v6LocalAddress; PhySocket *_v4UdpSocket; PhySocket *_v6UdpSocket; PhySocket *_v4TcpListenSocket; @@ -1343,6 +1336,7 @@ private: unsigned int _port; #ifdef ZT_USE_MINIUPNPC + InetAddress _v4UpnpLocalAddress; PhySocket *_v4UpnpUdpSocket; UPNPClient *_upnpClient; #endif @@ -1351,17 +1345,17 @@ private: Mutex _run_m; }; -static int SnodeVirtualNetworkConfigFunction(ZT1_Node *node,void *uptr,uint64_t nwid,enum ZT1_VirtualNetworkConfigOperation op,const ZT1_VirtualNetworkConfig *nwconf) +static int SnodeVirtualNetworkConfigFunction(ZT_Node *node,void *uptr,uint64_t nwid,enum ZT_VirtualNetworkConfigOperation op,const ZT_VirtualNetworkConfig *nwconf) { return reinterpret_cast<OneServiceImpl *>(uptr)->nodeVirtualNetworkConfigFunction(nwid,op,nwconf); } -static void SnodeEventCallback(ZT1_Node *node,void *uptr,enum ZT1_Event event,const void *metaData) +static void SnodeEventCallback(ZT_Node *node,void *uptr,enum ZT_Event event,const void *metaData) { reinterpret_cast<OneServiceImpl *>(uptr)->nodeEventCallback(event,metaData); } -static long SnodeDataStoreGetFunction(ZT1_Node *node,void *uptr,const char *name,void *buf,unsigned long bufSize,unsigned long readIndex,unsigned long *totalSize) +static long SnodeDataStoreGetFunction(ZT_Node *node,void *uptr,const char *name,void *buf,unsigned long bufSize,unsigned long readIndex,unsigned long *totalSize) { return reinterpret_cast<OneServiceImpl *>(uptr)->nodeDataStoreGetFunction(name,buf,bufSize,readIndex,totalSize); } -static int SnodeDataStorePutFunction(ZT1_Node *node,void *uptr,const char *name,const void *data,unsigned long len,int secure) +static int SnodeDataStorePutFunction(ZT_Node *node,void *uptr,const char *name,const void *data,unsigned long len,int secure) { return reinterpret_cast<OneServiceImpl *>(uptr)->nodeDataStorePutFunction(name,data,len,secure); } -static int SnodeWirePacketSendFunction(ZT1_Node *node,void *uptr,int localInterfaceId,const struct sockaddr_storage *addr,const void *data,unsigned int len) -{ return reinterpret_cast<OneServiceImpl *>(uptr)->nodeWirePacketSendFunction(localInterfaceId,addr,data,len); } -static void SnodeVirtualNetworkFrameFunction(ZT1_Node *node,void *uptr,uint64_t nwid,uint64_t sourceMac,uint64_t destMac,unsigned int etherType,unsigned int vlanId,const void *data,unsigned int len) +static int SnodeWirePacketSendFunction(ZT_Node *node,void *uptr,const struct sockaddr_storage *localAddr,const struct sockaddr_storage *addr,const void *data,unsigned int len) +{ return reinterpret_cast<OneServiceImpl *>(uptr)->nodeWirePacketSendFunction(localAddr,addr,data,len); } +static void SnodeVirtualNetworkFrameFunction(ZT_Node *node,void *uptr,uint64_t nwid,uint64_t sourceMac,uint64_t destMac,unsigned int etherType,unsigned int vlanId,const void *data,unsigned int len) { reinterpret_cast<OneServiceImpl *>(uptr)->nodeVirtualNetworkFrameFunction(nwid,sourceMac,destMac,etherType,vlanId,data,len); } static void StapFrameHandler(void *uptr,uint64_t nwid,const MAC &from,const MAC &to,unsigned int etherType,unsigned int vlanId,const void *data,unsigned int len) |