net: Allow connecting to extra outbound peers

This commit is contained in:
Suhas Daftuar
2017-10-23 13:36:15 -04:00
parent ba216b5fa6
commit 2d4327db19
2 changed files with 51 additions and 1 deletions

View File

@@ -1693,6 +1693,36 @@ void CConnman::ProcessOneShot()
}
}
bool CConnman::GetTryNewOutboundPeer()
{
return m_try_another_outbound_peer;
}
void CConnman::SetTryNewOutboundPeer(bool flag)
{
m_try_another_outbound_peer = flag;
}
// Return the number of peers we have over our outbound connection limit
// Exclude peers that are marked for disconnect, or are going to be
// disconnected soon (eg one-shots and feelers)
// Also exclude peers that haven't finished initial connection handshake yet
// (so that we don't decide we're over our desired connection limit, and then
// evict some peer that has finished the handshake)
int CConnman::GetExtraOutboundCount()
{
int nOutbound = 0;
{
LOCK(cs_vNodes);
for (CNode* pnode : vNodes) {
if (!pnode->fInbound && !pnode->m_manual_connection && !pnode->fFeeler && !pnode->fDisconnect && !pnode->fOneShot && pnode->fSuccessfullyConnected) {
++nOutbound;
}
}
}
return std::max(nOutbound - nMaxOutbound, 0);
}
void CConnman::ThreadOpenConnections(const std::vector<std::string> connect)
{
// Connect to specific addresses
@@ -1781,7 +1811,8 @@ void CConnman::ThreadOpenConnections(const std::vector<std::string> connect)
// * Only make a feeler connection once every few minutes.
//
bool fFeeler = false;
if (nOutbound >= nMaxOutbound) {
if (nOutbound >= nMaxOutbound && !GetTryNewOutboundPeer()) {
int64_t nTime = GetTimeMicros(); // The current time right now (in microseconds).
if (nTime > nNextFeeler) {
nNextFeeler = PoissonNextSend(nTime, FEELER_INTERVAL);
@@ -2204,6 +2235,7 @@ CConnman::CConnman(uint64_t nSeed0In, uint64_t nSeed1In) : nSeed0(nSeed0In), nSe
semOutbound = nullptr;
semAddnode = nullptr;
flagInterruptMsgProc = false;
SetTryNewOutboundPeer(false);
Options connOptions;
Init(connOptions);