void/ZeroTierOne
2
0
Fork 0
mirror of https://github.com/zerotier/ZeroTierOne.git synced 2025-04-16 03:56:54 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

NetworkConfig refactor almost done.

Browse source
This commit is contained in:
Adam Ierymenko 2016-04-12 12:49:46 -07:00
parent ad1e83d8b9
commit 31db6f8f36
4 changed files with 40 additions and 44 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
node/CertificateOfMembership.hpp
View file

@ -46,7 +46,7 @@
/**
* Maximum number of qualifiers in a COM
*/
#define ZT_NETWORK_COM_MAX_QUALIFIERS 32
#define ZT_NETWORK_COM_MAX_QUALIFIERS 16
namespace ZeroTier {

7
node/Multicaster.cpp
View file

@ -238,11 +238,8 @@ void Multicaster::send(
const CertificateOfMembership *com = (CertificateOfMembership *)0;
{
SharedPtr<Network> nw(RR->node->network(nwid));
if (nw) {
SharedPtr<NetworkConfig> nconf(nw->config2());
if ((nconf)&&(nconf->com())&&(nconf->isPrivate())&&(p->needsOurNetworkMembershipCertificate(nwid,now,true)))
com = &(nconf->com());
}
if ((nw)&&(nw->hasConfig())&&(nw->config().com())&&(nw->config().isPrivate())&&(p->needsOurNetworkMembershipCertificate(nwid,now,true)))
com = &(nw->config().com());
}
Packet outp(p->address(),RR->identity.address(),Packet::VERB_MULTICAST_GATHER);

3
node/NetworkConfig.hpp
View file

@ -203,6 +203,9 @@ public:
return r;
}
const ZT_VirtualNetworkStaticDevice &staticDevice(unsigned int i) const { return _static[i]; }
unsigned int staticDeviceCount() const { return _staticCount; }
/**
* @param fromPeer Peer attempting to bridge other Ethernet peers onto network
* @return True if this network allows bridging

72
node/Switch.cpp
View file

@ -307,8 +307,7 @@ void Switch::onRemotePacket(const InetAddress &localAddr,const InetAddress &from
void Switch::onLocalEthernet(const SharedPtr<Network> &network,const MAC &from,const MAC &to,unsigned int etherType,unsigned int vlanId,const void *data,unsigned int len)
{
SharedPtr<NetworkConfig> nconf(network->config2());
if (!nconf)
if (!network->hasConfig())
return;
// Sanity check -- bridge loop? OS problem?
@ -316,7 +315,7 @@ void Switch::onLocalEthernet(const SharedPtr<Network> &network,const MAC &from,c
return;
// Check to make sure this protocol is allowed on this network
if (!nconf->permitsEtherType(etherType)) {
if (!network->config().permitsEtherType(etherType)) {
TRACE("%.16llx: ignored tap: %s -> %s: ethertype %s not allowed on network %.16llx",network->id(),from.toString().c_str(),to.toString().c_str(),etherTypeName(etherType),(unsigned long long)network->id());
return;
}
@ -324,7 +323,7 @@ void Switch::onLocalEthernet(const SharedPtr<Network> &network,const MAC &from,c
// Check if this packet is from someone other than the tap -- i.e. bridged in
bool fromBridged = false;
if (from != network->mac()) {
if (!network->permitsBridging(RR->identity.address())) {
if (!network->config().permitsBridging(RR->identity.address())) {
TRACE("%.16llx: %s -> %s %s not forwarded, bridging disabled or this peer not a bridge",network->id(),from.toString().c_str(),to.toString().c_str(),etherTypeName(etherType));
return;
}
@ -347,7 +346,7 @@ void Switch::onLocalEthernet(const SharedPtr<Network> &network,const MAC &from,c
* the 32-bit ADI field. In practice this uses our multicast pub/sub
* system to implement a kind of extended/distributed ARP table. */
mg = MulticastGroup::deriveMulticastGroupForAddressResolution(InetAddress(((const unsigned char *)data) + 24,4,0));
} else if (!nconf->enableBroadcast()) {
} else if (!network->config().enableBroadcast()) {
// Don't transmit broadcasts if this network doesn't want them
TRACE("%.16llx: dropped broadcast since ff:ff:ff:ff:ff:ff is not enabled",network->id());
return;
@ -363,7 +362,8 @@ void Switch::onLocalEthernet(const SharedPtr<Network> &network,const MAC &from,c
* themselves, they can look these addresses up with NDP and it will
* work just fine. */
if ((reinterpret_cast<const uint8_t *>(data)[6] == 0x3a)&&(reinterpret_cast<const uint8_t *>(data)[40] == 0x87)) { // ICMPv6 neighbor solicitation
for(std::vector<InetAddress>::const_iterator sip(nconf->staticIps().begin()),sipend(nconf->staticIps().end());sip!=sipend;++sip) {
std::vector<InetAddress> sips(network->config().staticIps());
for(std::vector<InetAddress>::const_iterator sip(sips.begin());sip!=sips.end();++sip) {
if ((sip->ss_family == AF_INET6)&&(Utils::ntoh((uint16_t)reinterpret_cast<const struct sockaddr_in6 *>(&(*sip))->sin6_port) == 88)) {
const uint8_t *my6 = reinterpret_cast<const uint8_t *>(reinterpret_cast<const struct sockaddr_in6 *>(&(*sip))->sin6_addr.s6_addr);
if ((my6[0] == 0xfd)&&(my6[9] == 0x99)&&(my6[10] == 0x93)) { // ZT-RFC4193 == fd__:____:____:____:__99:93__:____:____ / 88
@ -426,11 +426,11 @@ void Switch::onLocalEthernet(const SharedPtr<Network> &network,const MAC &from,c
//TRACE("%.16llx: MULTICAST %s -> %s %s %u",network->id(),from.toString().c_str(),mg.toString().c_str(),etherTypeName(etherType),len);
RR->mc->send(
((!nconf->isPublic())&&(nconf->com())) ? &(nconf->com()) : (const CertificateOfMembership *)0,
nconf->multicastLimit(),
((!network->config().isPublic())&&(network->config().com())) ? &(network->config().com()) : (const CertificateOfMembership *)0,
network->config().multicastLimit(),
RR->node->now(),
network->id(),
nconf->activeBridges(),
network->config().activeBridges(),
mg,
(fromBridged) ? from : MAC(),
etherType,
@ -445,13 +445,13 @@ void Switch::onLocalEthernet(const SharedPtr<Network> &network,const MAC &from,c
Address toZT(to.toAddress(network->id())); // since in-network MACs are derived from addresses and network IDs, we can reverse this
SharedPtr<Peer> toPeer(RR->topology->getPeer(toZT));
const bool includeCom = ( (nconf->isPrivate()) && (nconf->com()) && ((!toPeer)||(toPeer->needsOurNetworkMembershipCertificate(network->id(),RR->node->now(),true))) );
const bool includeCom = ( (network->config().isPrivate()) && (network->config().com()) && ((!toPeer)||(toPeer->needsOurNetworkMembershipCertificate(network->id(),RR->node->now(),true))) );
if ((fromBridged)||(includeCom)) {
Packet outp(toZT,RR->identity.address(),Packet::VERB_EXT_FRAME);
outp.append(network->id());
if (includeCom) {
outp.append((unsigned char)0x01); // 0x01 -- COM included
nconf->com().serialize(outp);
network->config().com().serialize(outp);
} else {
outp.append((unsigned char)0x00);
}
@ -483,25 +483,26 @@ void Switch::onLocalEthernet(const SharedPtr<Network> &network,const MAC &from,c
/* Create an array of up to ZT_MAX_BRIDGE_SPAM recipients for this bridged frame. */
bridges[0] = network->findBridgeTo(to);
if ((bridges[0])&&(bridges[0] != RR->identity.address())&&(network->permitsBridging(bridges[0]))) {
std::vector<Address> activeBridges(network->config().activeBridges());
if ((bridges[0])&&(bridges[0] != RR->identity.address())&&(network->config().permitsBridging(bridges[0]))) {
/* We have a known bridge route for this MAC, send it there. */
++numBridges;
} else if (!nconf->activeBridges().empty()) {
} else if (!activeBridges.empty()) {
/* If there is no known route, spam to up to ZT_MAX_BRIDGE_SPAM active
* bridges. If someone responds, we'll learn the route. */
std::vector<Address>::const_iterator ab(nconf->activeBridges().begin());
if (nconf->activeBridges().size() <= ZT_MAX_BRIDGE_SPAM) {
std::vector<Address>::const_iterator ab(activeBridges.begin());
if (activeBridges.size() <= ZT_MAX_BRIDGE_SPAM) {
// If there are <= ZT_MAX_BRIDGE_SPAM active bridges, spam them all
while (ab != nconf->activeBridges().end()) {
while (ab != activeBridges.end()) {
bridges[numBridges++] = *ab;
++ab;
}
} else {
// Otherwise pick a random set of them
while (numBridges < ZT_MAX_BRIDGE_SPAM) {
if (ab == nconf->activeBridges().end())
ab = nconf->activeBridges().begin();
if (((unsigned long)RR->node->prng() % (unsigned long)nconf->activeBridges().size()) == 0) {
if (ab == activeBridges.end())
ab = activeBridges.begin();
if (((unsigned long)RR->node->prng() % (unsigned long)activeBridges.size()) == 0) {
bridges[numBridges++] = *ab;
++ab;
} else ++ab;
@ -513,9 +514,9 @@ void Switch::onLocalEthernet(const SharedPtr<Network> &network,const MAC &from,c
SharedPtr<Peer> bridgePeer(RR->topology->getPeer(bridges[b]));
Packet outp(bridges[b],RR->identity.address(),Packet::VERB_EXT_FRAME);
outp.append(network->id());
if ( (nconf->isPrivate()) && (nconf->com()) && ((!bridgePeer)||(bridgePeer->needsOurNetworkMembershipCertificate(network->id(),RR->node->now(),true))) ) {
if ( (network->config().isPrivate()) && (network->config().com()) && ((!bridgePeer)||(bridgePeer->needsOurNetworkMembershipCertificate(network->id(),RR->node->now(),true))) ) {
outp.append((unsigned char)0x01); // 0x01 -- COM included
nconf->com().serialize(outp);
network->config().com().serialize(outp);
} else {
outp.append((unsigned char)0);
}
@ -783,31 +784,26 @@ bool Switch::_trySend(const Packet &packet,bool encrypt,uint64_t nwid)
const uint64_t now = RR->node->now();
SharedPtr<Network> network;
SharedPtr<NetworkConfig> nconf;
if (nwid) {
network = RR->node->network(nwid);
if (!network)
if ((!network)||(!network->hasConfig()))
return false; // we probably just left this network, let its packets die
nconf = network->config2();
if (!nconf)
return false; // sanity check: unconfigured network? why are we trying to talk to it?
}
Path *viaPath = peer->getBestPath(now);
SharedPtr<Peer> relay;
if (!viaPath) {
if ((!viaPath)&&(network)) {
// See if this network has a preferred relay (if packet has an associated network)
if (nconf) {
unsigned int bestq = ~((unsigned int)0);
for(std::vector< std::pair<Address,InetAddress> >::const_iterator r(nconf->relays().begin());r!=nconf->relays().end();++r) {
if (r->first != peer->address()) {
SharedPtr<Peer> rp(RR->topology->getPeer(r->first));
if (rp) {
const unsigned int q = rp->relayQuality(now);
if (q < bestq) { // SUBTILE: < == don't use these if they are nil quality (unsigned int max), instead use a root
bestq = q;
rp.swap(relay);
}
unsigned int bestq = ~((unsigned int)0);
for(unsigned int ri=0;ri<network->config().staticDeviceCount();++ri) {
const ZT_VirtualNetworkStaticDevice &r = network->config().staticDevice(ri);
if ((r.address != peer->address().toInt())&&((r.flags & ZT_NETWORK_STATIC_DEVICE_IS_RELAY) != 0)) {
SharedPtr<Peer> rp(RR->topology->getPeer(Address(r.address)));
if (rp) {
const unsigned int q = rp->relayQuality(now);
if (q < bestq) { // SUBTILE: < == don't use these if they are nil quality (unsigned int max), instead use a root
bestq = q;
rp.swap(relay);
}
}
}