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-rw-r--r--node/SelfAwareness.cpp31
1 files changed, 29 insertions, 2 deletions
diff --git a/node/SelfAwareness.cpp b/node/SelfAwareness.cpp
index b6bfe9e4..b1830ef0 100644
--- a/node/SelfAwareness.cpp
+++ b/node/SelfAwareness.cpp
@@ -46,7 +46,15 @@ public:
RR(renv),
_now(now),
_scope(scope) {}
- inline void operator()(Topology &t,const SharedPtr<Peer> &p) { p->resetWithinScope(RR,_scope,_now); }
+
+ inline void operator()(Topology &t,const SharedPtr<Peer> &p)
+ {
+ if (p->resetWithinScope(RR,_scope,_now))
+ peersReset.push_back(p);
+ }
+
+ std::vector< SharedPtr<Peer> > peersReset;
+
private:
const RuntimeEnvironment *RR;
uint64_t _now;
@@ -84,8 +92,27 @@ void SelfAwareness::iam(const Address &reporter,const InetAddress &reporterPhysi
} else if (lastPhy != myPhysicalAddress) {
TRACE("learned physical address %s for scope %u from reporter %s(%s) (replaced %s, resetting within scope)",myPhysicalAddress.toString().c_str(),scope,reporter.toString().c_str(),reporterPhysicalAddress.toString().c_str(),lastPhy.toString().c_str());
lastPhy = myPhysicalAddress;
- _ResetWithinScope rset(RR,RR->node->now(),(InetAddress::IpScope)scope);
+ uint64_t now = RR->node->now();
+
+ _ResetWithinScope rset(RR,now,(InetAddress::IpScope)scope);
RR->topology->eachPeer<_ResetWithinScope &>(rset);
+
+ // For all peers for whom we forgot an address, send a packet indirectly if
+ // they are still considered alive so that we will re-establish direct links.
+ SharedPtr<Peer> sn(RR->topology->getBestSupernode());
+ if (sn) {
+ Path *snp = sn->getBestPath(now);
+ if (snp) {
+ for(std::vector< SharedPtr<Peer> >::const_iterator p(rset.peersReset.begin());p!=rset.peersReset.end();++p) {
+ if ((*p)->alive(now)) {
+ TRACE("sending indirect NOP to %s via %s(%s) to re-establish link",(*p)->address().toString().c_str(),sn->address().toString().c_str(),snp->address().toString().c_str());
+ Packet outp((*p)->address(),RR->identity.address(),Packet::VERB_NOP);
+ outp.armor((*p)->key(),true);
+ snp->send(RR,outp.data(),outp.size(),now);
+ }
+ }
+ }
+ }
}
}
}