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Bunch more work on DNS, cleanup, removal of obsolete cruft.

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This commit is contained in:
Adam Ierymenko 2019-08-21 09:27:45 -07:00
parent fe8815f80f
commit 67a9898a99
No known key found for this signature in database
GPG key ID: 1657198823E52A61
16 changed files with 387 additions and 360 deletions
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90
node/Peer.cpp
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@ -51,7 +51,6 @@ Peer::Peer(const RuntimeEnvironment *renv,const Identity &myIdentity,const Ident
_lastWhoisRequestReceived(0),
_lastEchoRequestReceived(0),
_lastCredentialsReceived(0),
_lastTrustEstablishedPacketReceived(0),
_lastSentFullHello(0),
_lastACKWindowReset(0),
_lastQoSWindowReset(0),
@ -87,7 +86,6 @@ void Peer::received(
const Packet::Verb verb,
const uint64_t inRePacketId,
const Packet::Verb inReVerb,
const bool trustEstablished,
const uint64_t networkId)
{
const int64_t now = RR->node->now();
@ -105,11 +103,6 @@ void Peer::received(
break;
}
if (trustEstablished) {
_lastTrustEstablishedPacketReceived = now;
path->trustedPacketReceived(now);
}
{
Mutex::Lock _l(_paths_m);
@ -202,51 +195,48 @@ void Peer::received(
}
}
// If we have a trust relationship periodically push a message enumerating
// all known external addresses for ourselves. If we already have a path this
// is done less frequently.
if (this->trustEstablished(now)) {
const int64_t sinceLastPush = now - _lastDirectPathPushSent;
if (sinceLastPush >= ((hops == 0) ? ZT_DIRECT_PATH_PUSH_INTERVAL_HAVEPATH : ZT_DIRECT_PATH_PUSH_INTERVAL)) {
_lastDirectPathPushSent = now;
std::vector<InetAddress> pathsToPush(RR->node->directPaths());
if (pathsToPush.size() > 0) {
std::vector<InetAddress>::const_iterator p(pathsToPush.begin());
while (p != pathsToPush.end()) {
Packet *const outp = new Packet(_id.address(),RR->identity.address(),Packet::VERB_PUSH_DIRECT_PATHS);
outp->addSize(2); // leave room for count
unsigned int count = 0;
while ((p != pathsToPush.end())&&((outp->size() + 24) < 1200)) {
uint8_t addressType = 4;
switch(p->ss_family) {
case AF_INET:
break;
case AF_INET6:
addressType = 6;
break;
default: // we currently only push IP addresses
++p;
continue;
}
outp->append((uint8_t)0); // no flags
outp->append((uint16_t)0); // no extensions
outp->append(addressType);
outp->append((uint8_t)((addressType == 4) ? 6 : 18));
outp->append(p->rawIpData(),((addressType == 4) ? 4 : 16));
outp->append((uint16_t)p->port());
++count;
++p;
// Periodically push direct paths to the peer, doing so more often if we do not
// currently have a direct path.
const int64_t sinceLastPush = now - _lastDirectPathPushSent;
if (sinceLastPush >= ((hops == 0) ? ZT_DIRECT_PATH_PUSH_INTERVAL_HAVEPATH : ZT_DIRECT_PATH_PUSH_INTERVAL)) {
_lastDirectPathPushSent = now;
std::vector<InetAddress> pathsToPush(RR->node->directPaths());
if (pathsToPush.size() > 0) {
std::vector<InetAddress>::const_iterator p(pathsToPush.begin());
while (p != pathsToPush.end()) {
Packet *const outp = new Packet(_id.address(),RR->identity.address(),Packet::VERB_PUSH_DIRECT_PATHS);
outp->addSize(2); // leave room for count
unsigned int count = 0;
while ((p != pathsToPush.end())&&((outp->size() + 24) < 1200)) {
uint8_t addressType = 4;
switch(p->ss_family) {
case AF_INET:
break;
case AF_INET6:
addressType = 6;
break;
default: // we currently only push IP addresses
++p;
continue;
}
if (count) {
outp->setAt(ZT_PACKET_IDX_PAYLOAD,(uint16_t)count);
outp->compress();
outp->armor(_key,true);
path->send(RR,tPtr,outp->data(),outp->size(),now);
}
delete outp;
outp->append((uint8_t)0); // no flags
outp->append((uint16_t)0); // no extensions
outp->append(addressType);
outp->append((uint8_t)((addressType == 4) ? 6 : 18));
outp->append(p->rawIpData(),((addressType == 4) ? 4 : 16));
outp->append((uint16_t)p->port());
++count;
++p;
}
if (count) {
outp->setAt(ZT_PACKET_IDX_PAYLOAD,(uint16_t)count);
outp->compress();
outp->armor(_key,true);
path->send(RR,tPtr,outp->data(),outp->size(),now);
}
delete outp;
}
}
}