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-rw-r--r--src/net.cpp21
1 files changed, 20 insertions, 1 deletions
diff --git a/src/net.cpp b/src/net.cpp
index 198d8f5fff..a0e5364e66 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -1721,11 +1721,17 @@ void CConnman::ThreadOpenConnections()
// Only connect out to one peer per network group (/16 for IPv4).
// Do this here so we don't have to critsect vNodes inside mapAddresses critsect.
int nOutbound = 0;
+ int nOutboundRelevant = 0;
std::set<std::vector<unsigned char> > setConnected;
{
LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes) {
if (!pnode->fInbound && !pnode->fAddnode) {
+
+ // Count the peers that have all relevant services
+ if (pnode->fSuccessfullyConnected && !pnode->fFeeler && ((pnode->nServices & nRelevantServices) == nRelevantServices)) {
+ nOutboundRelevant++;
+ }
// Netgroups for inbound and addnode peers are not excluded because our goal here
// is to not use multiple of our limited outbound slots on a single netgroup
// but inbound and addnode peers do not use our outbound slots. Inbound peers
@@ -1789,14 +1795,27 @@ void CConnman::ThreadOpenConnections()
continue;
// only consider nodes missing relevant services after 40 failed attempts and only if less than half the outbound are up.
- if ((addr.nServices & nRelevantServices) != nRelevantServices && (nTries < 40 || nOutbound >= (nMaxOutbound >> 1)))
+ ServiceFlags nRequiredServices = nRelevantServices;
+ if (nTries >= 40 && nOutbound < (nMaxOutbound >> 1)) {
+ nRequiredServices = REQUIRED_SERVICES;
+ }
+
+ if ((addr.nServices & nRequiredServices) != nRequiredServices) {
continue;
+ }
// do not allow non-default ports, unless after 50 invalid addresses selected already
if (addr.GetPort() != Params().GetDefaultPort() && nTries < 50)
continue;
addrConnect = addr;
+
+ // regardless of the services assumed to be available, only require the minimum if half or more outbound have relevant services
+ if (nOutboundRelevant >= (nMaxOutbound >> 1)) {
+ addrConnect.nServices = REQUIRED_SERVICES;
+ } else {
+ addrConnect.nServices = nRequiredServices;
+ }
break;
}