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authorGregory Maxwell <greg@xiph.org>2018-08-22 23:29:01 +0000
committerGregory Maxwell <greg@xiph.org>2018-08-23 10:10:12 +0000
commit66b3fc543706aad1aaccc403b4ee08f65fa5d17b (patch)
treea3e42c57603ce50c6e7fba55629f68af7c287fec
parent271b379e636afa419c5208cb462c07090490266c (diff)
downloadbitcoin-66b3fc543706aad1aaccc403b4ee08f65fa5d17b.tar.xz
Skip stale tip checking if outbound connections are off or if reindexing.
-rw-r--r--src/net.h3
-rw-r--r--src/net_processing.cpp7
-rw-r--r--src/net_processing.h5
3 files changed, 10 insertions, 5 deletions
diff --git a/src/net.h b/src/net.h
index f9cfea59b7..e074dbb624 100644
--- a/src/net.h
+++ b/src/net.h
@@ -149,6 +149,7 @@ public:
nLocalServices = connOptions.nLocalServices;
nMaxConnections = connOptions.nMaxConnections;
nMaxOutbound = std::min(connOptions.nMaxOutbound, connOptions.nMaxConnections);
+ m_use_addrman_outgoing = connOptions.m_use_addrman_outgoing;
nMaxAddnode = connOptions.nMaxAddnode;
nMaxFeeler = connOptions.nMaxFeeler;
nBestHeight = connOptions.nBestHeight;
@@ -174,6 +175,7 @@ public:
void Stop();
void Interrupt();
bool GetNetworkActive() const { return fNetworkActive; };
+ bool GetUseAddrmanOutgoing() const { return m_use_addrman_outgoing; };
void SetNetworkActive(bool active);
void OpenNetworkConnection(const CAddress& addrConnect, bool fCountFailure, CSemaphoreGrant *grantOutbound = nullptr, const char *strDest = nullptr, bool fOneShot = false, bool fFeeler = false, bool manual_connection = false);
bool CheckIncomingNonce(uint64_t nonce);
@@ -416,6 +418,7 @@ private:
int nMaxOutbound;
int nMaxAddnode;
int nMaxFeeler;
+ bool m_use_addrman_outgoing;
std::atomic<int> nBestHeight;
CClientUIInterface* clientInterface;
NetEventsInterface* m_msgproc;
diff --git a/src/net_processing.cpp b/src/net_processing.cpp
index 88999ba735..2a0ba3970d 100644
--- a/src/net_processing.cpp
+++ b/src/net_processing.cpp
@@ -3166,8 +3166,6 @@ void PeerLogicValidation::EvictExtraOutboundPeers(int64_t time_in_seconds)
NodeId worst_peer = -1;
int64_t oldest_block_announcement = std::numeric_limits<int64_t>::max();
- LOCK(cs_main);
-
connman->ForEachNode([&](CNode* pnode) {
AssertLockHeld(cs_main);
@@ -3215,6 +3213,8 @@ void PeerLogicValidation::EvictExtraOutboundPeers(int64_t time_in_seconds)
void PeerLogicValidation::CheckForStaleTipAndEvictPeers(const Consensus::Params &consensusParams)
{
+ LOCK(cs_main);
+
if (connman == nullptr) return;
int64_t time_in_seconds = GetTime();
@@ -3222,10 +3222,9 @@ void PeerLogicValidation::CheckForStaleTipAndEvictPeers(const Consensus::Params
EvictExtraOutboundPeers(time_in_seconds);
if (time_in_seconds > m_stale_tip_check_time) {
- LOCK(cs_main);
// Check whether our tip is stale, and if so, allow using an extra
// outbound peer
- if (TipMayBeStale(consensusParams)) {
+ if (!fImporting && !fReindex && connman->GetNetworkActive() && connman->GetUseAddrmanOutgoing() && TipMayBeStale(consensusParams)) {
LogPrintf("Potential stale tip detected, will try using extra outbound peer (last tip update: %d seconds ago)\n", time_in_seconds - g_last_tip_update);
connman->SetTryNewOutboundPeer(true);
} else if (connman->GetTryNewOutboundPeer()) {
diff --git a/src/net_processing.h b/src/net_processing.h
index 7caefc80ca..01b8e97075 100644
--- a/src/net_processing.h
+++ b/src/net_processing.h
@@ -9,6 +9,9 @@
#include <net.h>
#include <validationinterface.h>
#include <consensus/params.h>
+#include <sync.h>
+
+extern CCriticalSection cs_main;
/** Default for -maxorphantx, maximum number of orphan transactions kept in memory */
static const unsigned int DEFAULT_MAX_ORPHAN_TRANSACTIONS = 100;
@@ -65,7 +68,7 @@ public:
/** Evict extra outbound peers. If we think our tip may be stale, connect to an extra outbound */
void CheckForStaleTipAndEvictPeers(const Consensus::Params &consensusParams);
/** If we have extra outbound peers, try to disconnect the one with the oldest block announcement */
- void EvictExtraOutboundPeers(int64_t time_in_seconds);
+ void EvictExtraOutboundPeers(int64_t time_in_seconds) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
private:
int64_t m_stale_tip_check_time; //! Next time to check for stale tip