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Add low-bandwidth mode

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This commit is contained in:
Joseph Henry 2022-12-05 13:21:05 -08:00
parent 98b190c626
commit 3c9ea2b667
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GPG key ID: C45B33FF5EBC9344
6 changed files with 42 additions and 10 deletions
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20
node/Node.cpp
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@ -202,6 +202,14 @@ public:
{
const std::vector<InetAddress> *const alwaysContactEndpoints = _alwaysContact.get(p->address());
if (alwaysContactEndpoints) {
// Contact upstream peers as infrequently as possible
ZT_PeerRole role = RR->topology->role(p->address());
int roleBasedTimerScale = (role == ZT_PEER_ROLE_LEAF) ? 2 : 16;
if ((RR->node->now() - p->lastSentFullHello()) <= (ZT_PATH_HEARTBEAT_PERIOD * roleBasedTimerScale)) {
return;
}
const unsigned int sent = p->doPingAndKeepalive(_tPtr,_now);
bool contacted = (sent != 0);
@ -262,7 +270,7 @@ ZT_ResultCode Node::processBackgroundTasks(void *tptr,int64_t now,volatile int64
}
}
unsigned long timeUntilNextPingCheck = ZT_PING_CHECK_INVERVAL;
unsigned long timeUntilNextPingCheck = _lowBandwidthMode ? (ZT_PING_CHECK_INVERVAL * 5) : ZT_PING_CHECK_INVERVAL;
const int64_t timeSinceLastPingCheck = now - _lastPingCheck;
if (timeSinceLastPingCheck >= timeUntilNextPingCheck) {
try {
@ -309,6 +317,7 @@ ZT_ResultCode Node::processBackgroundTasks(void *tptr,int64_t now,volatile int64
// Get peers we should stay connected to according to network configs
// Also get networks and whether they need config so we only have to do one pass over networks
int timerScale = _lowBandwidthMode ? 64 : 1;
std::vector< std::pair< SharedPtr<Network>,bool > > networkConfigNeeded;
{
Mutex::Lock l(_networks_m);
@ -317,7 +326,7 @@ ZT_ResultCode Node::processBackgroundTasks(void *tptr,int64_t now,volatile int64
SharedPtr<Network> *network = (SharedPtr<Network> *)0;
while (i.next(nwid,network)) {
(*network)->config().alwaysContactAddresses(alwaysContact);
networkConfigNeeded.push_back( std::pair< SharedPtr<Network>,bool >(*network,(((now - (*network)->lastConfigUpdate()) >= ZT_NETWORK_AUTOCONF_DELAY)||(!(*network)->hasConfig()))) );
networkConfigNeeded.push_back( std::pair< SharedPtr<Network>,bool >(*network,(((now - (*network)->lastConfigUpdate()) >= ZT_NETWORK_AUTOCONF_DELAY * timerScale)||(!(*network)->hasConfig()))) );
}
}
@ -336,9 +345,12 @@ ZT_ResultCode Node::processBackgroundTasks(void *tptr,int64_t now,volatile int64
// Refresh network config or broadcast network updates to members as needed
for(std::vector< std::pair< SharedPtr<Network>,bool > >::const_iterator n(networkConfigNeeded.begin());n!=networkConfigNeeded.end();++n) {
if (n->second)
if (n->second) {
n->first->requestConfiguration(tptr);
n->first->sendUpdatesToMembers(tptr);
}
if (! _lowBandwidthMode) {
n->first->sendUpdatesToMembers(tptr);
}
}
// Update online status, post status change as event