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merge bitcoin#22829: various RecursiveMutex replacements in CConnman

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Kittywhiskers Van Gogh 2024-05-09 08:52:47 +00:00
parent 362e3101ad
commit 23b152cd37
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GPG Key ID: 30CD0C065E5C4AAD
3 changed files with 129 additions and 130 deletions
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196
src/net.cpp
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@ -331,8 +331,8 @@ bool IsLocal(const CService& addr)
CNode* CConnman::FindNode(const CNetAddr& ip, bool fExcludeDisconnecting) CNode* CConnman::FindNode(const CNetAddr& ip, bool fExcludeDisconnecting)
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (CNode* pnode : vNodes) { for (CNode* pnode : m_nodes) {
if (fExcludeDisconnecting && pnode->fDisconnect) { if (fExcludeDisconnecting && pnode->fDisconnect) {
continue; continue;
} }
@ -345,8 +345,8 @@ CNode* CConnman::FindNode(const CNetAddr& ip, bool fExcludeDisconnecting)
CNode* CConnman::FindNode(const CSubNet& subNet, bool fExcludeDisconnecting) CNode* CConnman::FindNode(const CSubNet& subNet, bool fExcludeDisconnecting)
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (CNode* pnode : vNodes) { for (CNode* pnode : m_nodes) {
if (fExcludeDisconnecting && pnode->fDisconnect) { if (fExcludeDisconnecting && pnode->fDisconnect) {
continue; continue;
} }
@ -359,8 +359,8 @@ CNode* CConnman::FindNode(const CSubNet& subNet, bool fExcludeDisconnecting)
CNode* CConnman::FindNode(const std::string& addrName, bool fExcludeDisconnecting) CNode* CConnman::FindNode(const std::string& addrName, bool fExcludeDisconnecting)
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (CNode* pnode : vNodes) { for (CNode* pnode : m_nodes) {
if (fExcludeDisconnecting && pnode->fDisconnect) { if (fExcludeDisconnecting && pnode->fDisconnect) {
continue; continue;
} }
@ -373,8 +373,8 @@ CNode* CConnman::FindNode(const std::string& addrName, bool fExcludeDisconnectin
CNode* CConnman::FindNode(const CService& addr, bool fExcludeDisconnecting) CNode* CConnman::FindNode(const CService& addr, bool fExcludeDisconnecting)
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (CNode* pnode : vNodes) { for (CNode* pnode : m_nodes) {
if (fExcludeDisconnecting && pnode->fDisconnect) { if (fExcludeDisconnecting && pnode->fDisconnect) {
continue; continue;
} }
@ -392,8 +392,8 @@ bool CConnman::AlreadyConnectedToAddress(const CAddress& addr)
bool CConnman::CheckIncomingNonce(uint64_t nonce) bool CConnman::CheckIncomingNonce(uint64_t nonce)
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (const CNode* pnode : vNodes) { for (const CNode* pnode : m_nodes) {
if (!pnode->fSuccessfullyConnected && !pnode->IsInboundConn() && pnode->GetLocalNonce() == nonce) if (!pnode->fSuccessfullyConnected && !pnode->IsInboundConn() && pnode->GetLocalNonce() == nonce)
return false; return false;
} }
@ -458,7 +458,7 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
} }
// It is possible that we already have a connection to the IP/port pszDest resolved to. // It is possible that we already have a connection to the IP/port pszDest resolved to.
// In that case, drop the connection that was just created. // In that case, drop the connection that was just created.
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
CNode* pnode = FindNode(static_cast<CService>(addrConnect)); CNode* pnode = FindNode(static_cast<CService>(addrConnect));
if (pnode) { if (pnode) {
LogPrintf("Failed to open new connection, already connected\n"); LogPrintf("Failed to open new connection, already connected\n");
@ -538,7 +538,7 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
void CNode::CloseSocketDisconnect(CConnman* connman) void CNode::CloseSocketDisconnect(CConnman* connman)
{ {
AssertLockHeld(connman->cs_vNodes); AssertLockHeld(connman->m_nodes_mutex);
fDisconnect = true; fDisconnect = true;
LOCK2(connman->cs_mapSocketToNode, cs_hSocket); LOCK2(connman->cs_mapSocketToNode, cs_hSocket);
@ -1070,9 +1070,9 @@ bool CConnman::AttemptToEvictConnection()
{ {
std::vector<NodeEvictionCandidate> vEvictionCandidates; std::vector<NodeEvictionCandidate> vEvictionCandidates;
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (const CNode* node : vNodes) { for (const CNode* node : m_nodes) {
if (node->HasPermission(NetPermissionFlags::NoBan)) if (node->HasPermission(NetPermissionFlags::NoBan))
continue; continue;
if (!node->IsInboundConn()) if (!node->IsInboundConn())
@ -1112,8 +1112,8 @@ bool CConnman::AttemptToEvictConnection()
if (!node_id_to_evict) { if (!node_id_to_evict) {
return false; return false;
} }
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (CNode* pnode : vNodes) { for (CNode* pnode : m_nodes) {
if (pnode->GetId() == *node_id_to_evict) { if (pnode->GetId() == *node_id_to_evict) {
LogPrint(BCLog::NET_NETCONN, "selected %s connection for eviction peer=%d; disconnecting\n", pnode->ConnectionTypeAsString(), pnode->GetId()); LogPrint(BCLog::NET_NETCONN, "selected %s connection for eviction peer=%d; disconnecting\n", pnode->ConnectionTypeAsString(), pnode->GetId());
pnode->fDisconnect = true; pnode->fDisconnect = true;
@ -1170,8 +1170,8 @@ void CConnman::CreateNodeFromAcceptedSocket(SOCKET hSocket,
} }
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (const CNode* pnode : vNodes) { for (const CNode* pnode : m_nodes) {
if (pnode->IsInboundConn()) { if (pnode->IsInboundConn()) {
nInbound++; nInbound++;
if (!pnode->GetVerifiedProRegTxHash().IsNull()) { if (!pnode->GetVerifiedProRegTxHash().IsNull()) {
@ -1271,8 +1271,8 @@ void CConnman::CreateNodeFromAcceptedSocket(SOCKET hSocket,
} }
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
vNodes.push_back(pnode); m_nodes.push_back(pnode);
WITH_LOCK(cs_mapSocketToNode, mapSocketToNode.emplace(hSocket, pnode)); WITH_LOCK(cs_mapSocketToNode, mapSocketToNode.emplace(hSocket, pnode));
RegisterEvents(pnode); RegisterEvents(pnode);
WakeSelect(); WakeSelect();
@ -1289,8 +1289,8 @@ bool CConnman::AddConnection(const std::string& address, ConnectionType conn_typ
const int max_connections = conn_type == ConnectionType::OUTBOUND_FULL_RELAY ? m_max_outbound_full_relay : m_max_outbound_block_relay; const int max_connections = conn_type == ConnectionType::OUTBOUND_FULL_RELAY ? m_max_outbound_full_relay : m_max_outbound_block_relay;
// Count existing connections // Count existing connections
int existing_connections = WITH_LOCK(cs_vNodes, int existing_connections = WITH_LOCK(m_nodes_mutex,
return std::count_if(vNodes.begin(), vNodes.end(), [conn_type](CNode* node) { return node->m_conn_type == conn_type; });); return std::count_if(m_nodes.begin(), m_nodes.end(), [conn_type](CNode* node) { return node->m_conn_type == conn_type; }););
// Max connections of specified type already exist // Max connections of specified type already exist
if (existing_connections >= max_connections) return false; if (existing_connections >= max_connections) return false;
@ -1306,11 +1306,11 @@ bool CConnman::AddConnection(const std::string& address, ConnectionType conn_typ
void CConnman::DisconnectNodes() void CConnman::DisconnectNodes()
{ {
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
if (!fNetworkActive) { if (!fNetworkActive) {
// Disconnect any connected nodes // Disconnect any connected nodes
for (CNode* pnode : vNodes) { for (CNode* pnode : m_nodes) {
if (!pnode->fDisconnect) { if (!pnode->fDisconnect) {
LogPrint(BCLog::NET, "Network not active, dropping peer=%d\n", pnode->GetId()); LogPrint(BCLog::NET, "Network not active, dropping peer=%d\n", pnode->GetId());
pnode->fDisconnect = true; pnode->fDisconnect = true;
@ -1319,7 +1319,7 @@ void CConnman::DisconnectNodes()
} }
// Disconnect unused nodes // Disconnect unused nodes
for (auto it = vNodes.begin(); it != vNodes.end(); ) for (auto it = m_nodes.begin(); it != m_nodes.end(); )
{ {
CNode* pnode = *it; CNode* pnode = *it;
if (pnode->fDisconnect) if (pnode->fDisconnect)
@ -1362,8 +1362,8 @@ void CConnman::DisconnectNodes()
pnode->GetId(), pnode->GetRefCount(), pnode->IsInboundConn(), pnode->m_masternode_connection, pnode->m_masternode_iqr_connection); pnode->GetId(), pnode->GetRefCount(), pnode->IsInboundConn(), pnode->m_masternode_connection, pnode->m_masternode_iqr_connection);
} }
// remove from vNodes // remove from m_nodes
it = vNodes.erase(it); it = m_nodes.erase(it);
// release outbound grant (if any) // release outbound grant (if any)
pnode->grantOutbound.Release(); pnode->grantOutbound.Release();
@ -1373,7 +1373,7 @@ void CConnman::DisconnectNodes()
// hold in disconnected pool until all refs are released // hold in disconnected pool until all refs are released
pnode->Release(); pnode->Release();
vNodesDisconnected.push_back(pnode); m_nodes_disconnected.push_back(pnode);
} else { } else {
++it; ++it;
} }
@ -1381,8 +1381,8 @@ void CConnman::DisconnectNodes()
} }
{ {
// Delete disconnected nodes // Delete disconnected nodes
std::list<CNode*> vNodesDisconnectedCopy = vNodesDisconnected; std::list<CNode*> nodes_disconnected_copy = m_nodes_disconnected;
for (auto it = vNodesDisconnected.begin(); it != vNodesDisconnected.end(); ) for (auto it = m_nodes_disconnected.begin(); it != m_nodes_disconnected.end(); )
{ {
CNode* pnode = *it; CNode* pnode = *it;
// wait until threads are done using it // wait until threads are done using it
@ -1395,7 +1395,7 @@ void CConnman::DisconnectNodes()
} }
} }
if (fDelete) { if (fDelete) {
it = vNodesDisconnected.erase(it); it = m_nodes_disconnected.erase(it);
DeleteNode(pnode); DeleteNode(pnode);
} }
} }
@ -1408,22 +1408,22 @@ void CConnman::DisconnectNodes()
void CConnman::NotifyNumConnectionsChanged(CMasternodeSync& mn_sync) void CConnman::NotifyNumConnectionsChanged(CMasternodeSync& mn_sync)
{ {
size_t vNodesSize; size_t nodes_size;
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
vNodesSize = vNodes.size(); nodes_size = m_nodes.size();
} }
// If we had zero connections before and new connections now or if we just dropped // If we had zero connections before and new connections now or if we just dropped
// to zero connections reset the sync process if its outdated. // to zero connections reset the sync process if its outdated.
if ((vNodesSize > 0 && nPrevNodeCount == 0) || (vNodesSize == 0 && nPrevNodeCount > 0)) { if ((nodes_size > 0 && nPrevNodeCount == 0) || (nodes_size == 0 && nPrevNodeCount > 0)) {
mn_sync.Reset(); mn_sync.Reset();
} }
if(vNodesSize != nPrevNodeCount) { if(nodes_size != nPrevNodeCount) {
nPrevNodeCount = vNodesSize; nPrevNodeCount = nodes_size;
if(clientInterface) if(clientInterface)
clientInterface->NotifyNumConnectionsChanged(vNodesSize); clientInterface->NotifyNumConnectionsChanged(nodes_size);
CalculateNumConnectionsChangedStats(); CalculateNumConnectionsChangedStats();
} }
@ -1810,7 +1810,7 @@ void CConnman::SocketHandler(CMasternodeSync& mn_sync)
bool only_poll = [this]() { bool only_poll = [this]() {
// Check if we have work to do and thus should avoid waiting for events // Check if we have work to do and thus should avoid waiting for events
LOCK2(cs_vNodes, cs_sendable_receivable_nodes); LOCK2(m_nodes_mutex, cs_sendable_receivable_nodes);
if (!mapReceivableNodes.empty()) { if (!mapReceivableNodes.empty()) {
return true; return true;
} else if (!mapSendableNodes.empty()) { } else if (!mapSendableNodes.empty()) {
@ -2043,7 +2043,7 @@ size_t CConnman::SocketRecvData(CNode *pnode)
{ {
bool notify = false; bool notify = false;
if (!pnode->ReceiveMsgBytes(Span<const uint8_t>(pchBuf, nBytes), notify)) { if (!pnode->ReceiveMsgBytes(Span<const uint8_t>(pchBuf, nBytes), notify)) {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
pnode->CloseSocketDisconnect(this); pnode->CloseSocketDisconnect(this);
} }
RecordBytesRecv(nBytes); RecordBytesRecv(nBytes);
@ -2070,7 +2070,7 @@ size_t CConnman::SocketRecvData(CNode *pnode)
if (!pnode->fDisconnect) { if (!pnode->fDisconnect) {
LogPrint(BCLog::NET, "socket closed for peer=%d\n", pnode->GetId()); LogPrint(BCLog::NET, "socket closed for peer=%d\n", pnode->GetId());
} }
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
pnode->fOtherSideDisconnected = true; // avoid lingering pnode->fOtherSideDisconnected = true; // avoid lingering
pnode->CloseSocketDisconnect(this); pnode->CloseSocketDisconnect(this);
} }
@ -2083,7 +2083,7 @@ size_t CConnman::SocketRecvData(CNode *pnode)
if (!pnode->fDisconnect){ if (!pnode->fDisconnect){
LogPrint(BCLog::NET, "socket recv error for peer=%d: %s\n", pnode->GetId(), NetworkErrorString(nErr)); LogPrint(BCLog::NET, "socket recv error for peer=%d: %s\n", pnode->GetId(), NetworkErrorString(nErr));
} }
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
pnode->fOtherSideDisconnected = true; // avoid lingering pnode->fOtherSideDisconnected = true; // avoid lingering
pnode->CloseSocketDisconnect(this); pnode->CloseSocketDisconnect(this);
} }
@ -2188,8 +2188,8 @@ void CConnman::ThreadDNSAddressSeed()
int nRelevant = 0; int nRelevant = 0;
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (const CNode* pnode : vNodes) { for (const CNode* pnode : m_nodes) {
if (pnode->fSuccessfullyConnected && !pnode->IsFullOutboundConn() && !pnode->m_masternode_probe_connection) ++nRelevant; if (pnode->fSuccessfullyConnected && !pnode->IsFullOutboundConn() && !pnode->m_masternode_probe_connection) ++nRelevant;
} }
} }
@ -2298,8 +2298,8 @@ int CConnman::GetExtraFullOutboundCount() const
{ {
int full_outbound_peers = 0; int full_outbound_peers = 0;
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (const CNode* pnode : vNodes) { for (const CNode* pnode : m_nodes) {
// don't count outbound masternodes // don't count outbound masternodes
if (pnode->m_masternode_connection) { if (pnode->m_masternode_connection) {
continue; continue;
@ -2316,8 +2316,8 @@ int CConnman::GetExtraBlockRelayCount() const
{ {
int block_relay_peers = 0; int block_relay_peers = 0;
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (const CNode* pnode : vNodes) { for (const CNode* pnode : m_nodes) {
if (pnode->fSuccessfullyConnected && !pnode->fDisconnect && pnode->IsBlockOnlyConn()) { if (pnode->fSuccessfullyConnected && !pnode->fDisconnect && pnode->IsBlockOnlyConn()) {
++block_relay_peers; ++block_relay_peers;
} }
@ -2388,8 +2388,8 @@ void CConnman::ThreadOpenConnections(const std::vector<std::string> connect, CDe
// Checking !dnsseed is cheaper before locking 2 mutexes. // Checking !dnsseed is cheaper before locking 2 mutexes.
if (!add_fixed_seeds_now && !dnsseed) { if (!add_fixed_seeds_now && !dnsseed) {
LOCK2(m_addr_fetches_mutex, cs_vAddedNodes); LOCK2(m_addr_fetches_mutex, m_added_nodes_mutex);
if (m_addr_fetches.empty() && vAddedNodes.empty()) { if (m_addr_fetches.empty() && m_added_nodes.empty()) {
add_fixed_seeds_now = true; add_fixed_seeds_now = true;
LogPrintf("Adding fixed seeds as -dnsseed=0, -addnode is not provided and all -seednode(s) attempted\n"); LogPrintf("Adding fixed seeds as -dnsseed=0, -addnode is not provided and all -seednode(s) attempted\n");
} }
@ -2414,8 +2414,8 @@ void CConnman::ThreadOpenConnections(const std::vector<std::string> connect, CDe
int nOutboundBlockRelay = 0; int nOutboundBlockRelay = 0;
std::set<std::vector<unsigned char> > setConnected; std::set<std::vector<unsigned char> > setConnected;
if (!Params().AllowMultipleAddressesFromGroup()) { if (!Params().AllowMultipleAddressesFromGroup()) {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (const CNode* pnode : vNodes) { for (const CNode* pnode : m_nodes) {
if (pnode->IsFullOutboundConn() && !pnode->m_masternode_connection) nOutboundFullRelay++; if (pnode->IsFullOutboundConn() && !pnode->m_masternode_connection) nOutboundFullRelay++;
if (pnode->IsBlockOnlyConn()) nOutboundBlockRelay++; if (pnode->IsBlockOnlyConn()) nOutboundBlockRelay++;
@ -2439,8 +2439,8 @@ void CConnman::ThreadOpenConnections(const std::vector<std::string> connect, CDe
std::set<uint256> setConnectedMasternodes; std::set<uint256> setConnectedMasternodes;
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (CNode* pnode : vNodes) { for (CNode* pnode : m_nodes) {
auto verifiedProRegTxHash = pnode->GetVerifiedProRegTxHash(); auto verifiedProRegTxHash = pnode->GetVerifiedProRegTxHash();
if (!verifiedProRegTxHash.IsNull()) { if (!verifiedProRegTxHash.IsNull()) {
setConnectedMasternodes.emplace(verifiedProRegTxHash); setConnectedMasternodes.emplace(verifiedProRegTxHash);
@ -2630,8 +2630,8 @@ void CConnman::ThreadOpenConnections(const std::vector<std::string> connect, CDe
std::vector<CAddress> CConnman::GetCurrentBlockRelayOnlyConns() const std::vector<CAddress> CConnman::GetCurrentBlockRelayOnlyConns() const
{ {
std::vector<CAddress> ret; std::vector<CAddress> ret;
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (const CNode* pnode : vNodes) { for (const CNode* pnode : m_nodes) {
if (pnode->IsBlockRelayOnly()) { if (pnode->IsBlockRelayOnly()) {
ret.push_back(pnode->addr); ret.push_back(pnode->addr);
} }
@ -2646,9 +2646,9 @@ std::vector<AddedNodeInfo> CConnman::GetAddedNodeInfo() const
std::list<std::string> lAddresses(0); std::list<std::string> lAddresses(0);
{ {
LOCK(cs_vAddedNodes); LOCK(m_added_nodes_mutex);
ret.reserve(vAddedNodes.size()); ret.reserve(m_added_nodes.size());
std::copy(vAddedNodes.cbegin(), vAddedNodes.cend(), std::back_inserter(lAddresses)); std::copy(m_added_nodes.cbegin(), m_added_nodes.cend(), std::back_inserter(lAddresses));
} }
@ -2656,8 +2656,8 @@ std::vector<AddedNodeInfo> CConnman::GetAddedNodeInfo() const
std::map<CService, bool> mapConnected; std::map<CService, bool> mapConnected;
std::map<std::string, std::pair<bool, CService>> mapConnectedByName; std::map<std::string, std::pair<bool, CService>> mapConnectedByName;
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (const CNode* pnode : vNodes) { for (const CNode* pnode : m_nodes) {
if (pnode->addr.IsValid()) { if (pnode->addr.IsValid()) {
mapConnected[pnode->addr] = pnode->IsInboundConn(); mapConnected[pnode->addr] = pnode->IsInboundConn();
} }
@ -2837,7 +2837,7 @@ void CConnman::ThreadOpenMasternodeConnections(CDeterministicMNManager& dmnman,
auto getConnectToDmn = [&]() -> CDeterministicMNCPtr { auto getConnectToDmn = [&]() -> CDeterministicMNCPtr {
// don't hold lock while calling OpenMasternodeConnection as cs_main is locked deep inside // don't hold lock while calling OpenMasternodeConnection as cs_main is locked deep inside
LOCK2(cs_vNodes, cs_vPendingMasternodes); LOCK2(m_nodes_mutex, cs_vPendingMasternodes);
if (!vPendingMasternodes.empty()) { if (!vPendingMasternodes.empty()) {
auto dmn = mnList.GetValidMN(vPendingMasternodes.front()); auto dmn = mnList.GetValidMN(vPendingMasternodes.front());
@ -2970,8 +2970,8 @@ void CConnman::OpenNetworkConnection(const CAddress& addrConnect, bool fCountFai
m_msgproc->InitializeNode(pnode); m_msgproc->InitializeNode(pnode);
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
vNodes.push_back(pnode); m_nodes.push_back(pnode);
RegisterEvents(pnode); RegisterEvents(pnode);
WakeSelect(); WakeSelect();
} }
@ -2999,7 +2999,7 @@ void CConnman::ThreadMessageHandler()
// Randomize the order in which we process messages from/to our peers. // Randomize the order in which we process messages from/to our peers.
// This prevents attacks in which an attacker exploits having multiple // This prevents attacks in which an attacker exploits having multiple
// consecutive connections in the vNodes list. // consecutive connections in the m_nodes list.
const NodesSnapshot snap{*this, /* filter = */ CConnman::AllNodes, /* shuffle = */ true}; const NodesSnapshot snap{*this, /* filter = */ CConnman::AllNodes, /* shuffle = */ true};
for (CNode* pnode : snap.Nodes()) { for (CNode* pnode : snap.Nodes()) {
@ -3550,10 +3550,10 @@ void CConnman::StopNodes()
} }
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
// Close sockets // Close sockets
for (CNode *pnode : vNodes) for (CNode *pnode : m_nodes)
pnode->CloseSocketDisconnect(this); pnode->CloseSocketDisconnect(this);
} }
for (ListenSocket& hListenSocket : vhListenSocket) for (ListenSocket& hListenSocket : vhListenSocket)
@ -3576,11 +3576,11 @@ void CConnman::StopNodes()
// clean up some globals (to help leak detection) // clean up some globals (to help leak detection)
std::vector<CNode*> nodes; std::vector<CNode*> nodes;
WITH_LOCK(cs_vNodes, nodes.swap(vNodes)); WITH_LOCK(m_nodes_mutex, nodes.swap(m_nodes));
for (CNode* pnode : nodes) { for (CNode* pnode : nodes) {
DeleteNode(pnode); DeleteNode(pnode);
} }
for (CNode* pnode : vNodesDisconnected) { for (CNode* pnode : m_nodes_disconnected) {
DeleteNode(pnode); DeleteNode(pnode);
} }
WITH_LOCK(cs_mapSocketToNode, mapSocketToNode.clear()); WITH_LOCK(cs_mapSocketToNode, mapSocketToNode.clear());
@ -3592,7 +3592,7 @@ void CConnman::StopNodes()
LOCK(cs_mapNodesWithDataToSend); LOCK(cs_mapNodesWithDataToSend);
mapNodesWithDataToSend.clear(); mapNodesWithDataToSend.clear();
} }
vNodesDisconnected.clear(); m_nodes_disconnected.clear();
vhListenSocket.clear(); vhListenSocket.clear();
semOutbound.reset(); semOutbound.reset();
semAddnode.reset(); semAddnode.reset();
@ -3695,21 +3695,21 @@ std::vector<CAddress> CConnman::GetAddresses(CNode& requestor, size_t max_addres
bool CConnman::AddNode(const std::string& strNode) bool CConnman::AddNode(const std::string& strNode)
{ {
LOCK(cs_vAddedNodes); LOCK(m_added_nodes_mutex);
for (const std::string& it : vAddedNodes) { for (const std::string& it : m_added_nodes) {
if (strNode == it) return false; if (strNode == it) return false;
} }
vAddedNodes.push_back(strNode); m_added_nodes.push_back(strNode);
return true; return true;
} }
bool CConnman::RemoveAddedNode(const std::string& strNode) bool CConnman::RemoveAddedNode(const std::string& strNode)
{ {
LOCK(cs_vAddedNodes); LOCK(m_added_nodes_mutex);
for(std::vector<std::string>::iterator it = vAddedNodes.begin(); it != vAddedNodes.end(); ++it) { for(std::vector<std::string>::iterator it = m_added_nodes.begin(); it != m_added_nodes.end(); ++it) {
if (strNode == *it) { if (strNode == *it) {
vAddedNodes.erase(it); m_added_nodes.erase(it);
return true; return true;
} }
} }
@ -3782,7 +3782,7 @@ std::set<uint256> CConnman::GetMasternodeQuorums(Consensus::LLMQType llmqType)
std::set<NodeId> CConnman::GetMasternodeQuorumNodes(Consensus::LLMQType llmqType, const uint256& quorumHash) const std::set<NodeId> CConnman::GetMasternodeQuorumNodes(Consensus::LLMQType llmqType, const uint256& quorumHash) const
{ {
LOCK2(cs_vNodes, cs_vPendingMasternodes); LOCK2(m_nodes_mutex, cs_vPendingMasternodes);
auto it = masternodeQuorumNodes.find(std::make_pair(llmqType, quorumHash)); auto it = masternodeQuorumNodes.find(std::make_pair(llmqType, quorumHash));
if (it == masternodeQuorumNodes.end()) { if (it == masternodeQuorumNodes.end()) {
return {}; return {};
@ -3790,7 +3790,7 @@ std::set<NodeId> CConnman::GetMasternodeQuorumNodes(Consensus::LLMQType llmqType
const auto& proRegTxHashes = it->second; const auto& proRegTxHashes = it->second;
std::set<NodeId> nodes; std::set<NodeId> nodes;
for (const auto pnode : vNodes) { for (const auto pnode : m_nodes) {
if (pnode->fDisconnect) { if (pnode->fDisconnect) {
continue; continue;
} }
@ -3861,10 +3861,10 @@ void CConnman::AddPendingProbeConnections(const std::set<uint256> &proTxHashes)
size_t CConnman::GetNodeCount(ConnectionDirection flags) const size_t CConnman::GetNodeCount(ConnectionDirection flags) const
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
int nNum = 0; int nNum = 0;
for (const auto& pnode : vNodes) { for (const auto& pnode : m_nodes) {
if (pnode->fDisconnect) { if (pnode->fDisconnect) {
continue; continue;
} }
@ -3889,9 +3889,9 @@ size_t CConnman::GetMaxOutboundNodeCount()
void CConnman::GetNodeStats(std::vector<CNodeStats>& vstats) const void CConnman::GetNodeStats(std::vector<CNodeStats>& vstats) const
{ {
vstats.clear(); vstats.clear();
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
vstats.reserve(vNodes.size()); vstats.reserve(m_nodes.size());
for (CNode* pnode : vNodes) { for (CNode* pnode : m_nodes) {
if (pnode->fDisconnect) { if (pnode->fDisconnect) {
continue; continue;
} }
@ -3902,7 +3902,7 @@ void CConnman::GetNodeStats(std::vector<CNodeStats>& vstats) const
bool CConnman::DisconnectNode(const std::string& strNode) bool CConnman::DisconnectNode(const std::string& strNode)
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
if (CNode* pnode = FindNode(strNode)) { if (CNode* pnode = FindNode(strNode)) {
LogPrint(BCLog::NET_NETCONN, "disconnect by address%s matched peer=%d; disconnecting\n", (fLogIPs ? strprintf("=%s", strNode) : ""), pnode->GetId()); LogPrint(BCLog::NET_NETCONN, "disconnect by address%s matched peer=%d; disconnecting\n", (fLogIPs ? strprintf("=%s", strNode) : ""), pnode->GetId());
pnode->fDisconnect = true; pnode->fDisconnect = true;
@ -3914,8 +3914,8 @@ bool CConnman::DisconnectNode(const std::string& strNode)
bool CConnman::DisconnectNode(const CSubNet& subnet) bool CConnman::DisconnectNode(const CSubNet& subnet)
{ {
bool disconnected = false; bool disconnected = false;
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (CNode* pnode : vNodes) { for (CNode* pnode : m_nodes) {
if (subnet.Match(pnode->addr)) { if (subnet.Match(pnode->addr)) {
LogPrint(BCLog::NET_NETCONN, "disconnect by subnet%s matched peer=%d; disconnecting\n", (fLogIPs ? strprintf("=%s", subnet.ToString()) : ""), pnode->GetId()); LogPrint(BCLog::NET_NETCONN, "disconnect by subnet%s matched peer=%d; disconnecting\n", (fLogIPs ? strprintf("=%s", subnet.ToString()) : ""), pnode->GetId());
pnode->fDisconnect = true; pnode->fDisconnect = true;
@ -3932,8 +3932,8 @@ bool CConnman::DisconnectNode(const CNetAddr& addr)
bool CConnman::DisconnectNode(NodeId id) bool CConnman::DisconnectNode(NodeId id)
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for(CNode* pnode : vNodes) { for(CNode* pnode : m_nodes) {
if (id == pnode->GetId()) { if (id == pnode->GetId()) {
LogPrint(BCLog::NET_NETCONN, "disconnect by id peer=%d; disconnecting\n", pnode->GetId()); LogPrint(BCLog::NET_NETCONN, "disconnect by id peer=%d; disconnecting\n", pnode->GetId());
pnode->fDisconnect = true; pnode->fDisconnect = true;
@ -3945,7 +3945,6 @@ bool CConnman::DisconnectNode(NodeId id)
void CConnman::RecordBytesRecv(uint64_t bytes) void CConnman::RecordBytesRecv(uint64_t bytes)
{ {
LOCK(cs_totalBytesRecv);
nTotalBytesRecv += bytes; nTotalBytesRecv += bytes;
statsClient.count("bandwidth.bytesReceived", bytes, 0.1f); statsClient.count("bandwidth.bytesReceived", bytes, 0.1f);
statsClient.gauge("bandwidth.totalBytesReceived", nTotalBytesRecv, 0.01f); statsClient.gauge("bandwidth.totalBytesReceived", nTotalBytesRecv, 0.01f);
@ -4025,7 +4024,6 @@ uint64_t CConnman::GetOutboundTargetBytesLeft() const
uint64_t CConnman::GetTotalBytesRecv() const uint64_t CConnman::GetTotalBytesRecv() const
{ {
LOCK(cs_totalBytesRecv);
return nTotalBytesRecv; return nTotalBytesRecv;
} }
@ -4112,9 +4110,9 @@ void CConnman::PushMessage(CNode* pnode, CSerializedNetMsg&& msg)
{ {
LOCK(cs_mapNodesWithDataToSend); LOCK(cs_mapNodesWithDataToSend);
// we're not holding cs_vNodes here, so there is a chance of this node being disconnected shortly before // we're not holding m_nodes_mutex here, so there is a chance of this node being disconnected shortly before
// we get here. Whoever called PushMessage still has a ref to CNode*, but will later Release() it, so we // we get here. Whoever called PushMessage still has a ref to CNode*, but will later Release() it, so we
// might end up having an entry in mapNodesWithDataToSend that is not in vNodes anymore. We need to // might end up having an entry in mapNodesWithDataToSend that is not in m_nodes anymore. We need to
// Add/Release refs when adding/erasing mapNodesWithDataToSend. // Add/Release refs when adding/erasing mapNodesWithDataToSend.
if (mapNodesWithDataToSend.emplace(pnode->GetId(), pnode).second) { if (mapNodesWithDataToSend.emplace(pnode->GetId(), pnode).second) {
pnode->AddRef(); pnode->AddRef();
@ -4130,8 +4128,8 @@ void CConnman::PushMessage(CNode* pnode, CSerializedNetMsg&& msg)
bool CConnman::ForNode(const CService& addr, std::function<bool(const CNode* pnode)> cond, std::function<bool(CNode* pnode)> func) bool CConnman::ForNode(const CService& addr, std::function<bool(const CNode* pnode)> cond, std::function<bool(CNode* pnode)> func)
{ {
CNode* found = nullptr; CNode* found = nullptr;
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (auto&& pnode : vNodes) { for (auto&& pnode : m_nodes) {
if((CService)pnode->addr == addr) { if((CService)pnode->addr == addr) {
found = pnode; found = pnode;
break; break;
@ -4143,8 +4141,8 @@ bool CConnman::ForNode(const CService& addr, std::function<bool(const CNode* pno
bool CConnman::ForNode(NodeId id, std::function<bool(const CNode* pnode)> cond, std::function<bool(CNode* pnode)> func) bool CConnman::ForNode(NodeId id, std::function<bool(const CNode* pnode)> cond, std::function<bool(CNode* pnode)> func)
{ {
CNode* found = nullptr; CNode* found = nullptr;
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (auto&& pnode : vNodes) { for (auto&& pnode : m_nodes) {
if(pnode->GetId() == id) { if(pnode->GetId() == id) {
found = pnode; found = pnode;
break; break;
@ -4179,10 +4177,10 @@ std::chrono::microseconds PoissonNextSend(std::chrono::microseconds now, std::ch
CConnman::NodesSnapshot::NodesSnapshot(const CConnman& connman, std::function<bool(const CNode* pnode)> filter, CConnman::NodesSnapshot::NodesSnapshot(const CConnman& connman, std::function<bool(const CNode* pnode)> filter,
bool shuffle) bool shuffle)
{ {
LOCK(connman.cs_vNodes); LOCK(connman.m_nodes_mutex);
m_nodes_copy.reserve(connman.vNodes.size()); m_nodes_copy.reserve(connman.m_nodes.size());
for (auto& node : connman.vNodes) { for (auto& node : connman.m_nodes) {
if (!filter(node)) if (!filter(node))
continue; continue;
node->AddRef(); node->AddRef();

53
src/net.h
View File

@ -878,8 +878,8 @@ public:
} }
vWhitelistedRange = connOptions.vWhitelistedRange; vWhitelistedRange = connOptions.vWhitelistedRange;
{ {
LOCK(cs_vAddedNodes); LOCK(m_added_nodes_mutex);
vAddedNodes = connOptions.m_added_nodes; m_added_nodes = connOptions.m_added_nodes;
} }
socketEventsMode = connOptions.socketEventsMode; socketEventsMode = connOptions.socketEventsMode;
m_onion_binds = connOptions.onion_binds; m_onion_binds = connOptions.onion_binds;
@ -961,8 +961,8 @@ public:
template<typename Condition, typename Callable> template<typename Condition, typename Callable>
bool ForEachNodeContinueIf(const Condition& cond, Callable&& func) bool ForEachNodeContinueIf(const Condition& cond, Callable&& func)
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (auto&& node : vNodes) for (auto&& node : m_nodes)
if (cond(node)) if (cond(node))
if(!func(node)) if(!func(node))
return false; return false;
@ -978,8 +978,8 @@ public:
template<typename Condition, typename Callable> template<typename Condition, typename Callable>
bool ForEachNodeContinueIf(const Condition& cond, Callable&& func) const bool ForEachNodeContinueIf(const Condition& cond, Callable&& func) const
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (const auto& node : vNodes) for (const auto& node : m_nodes)
if (cond(node)) if (cond(node))
if(!func(node)) if(!func(node))
return false; return false;
@ -995,8 +995,8 @@ public:
template<typename Condition, typename Callable> template<typename Condition, typename Callable>
void ForEachNode(const Condition& cond, Callable&& func) void ForEachNode(const Condition& cond, Callable&& func)
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (auto&& node : vNodes) { for (auto&& node : m_nodes) {
if (cond(node)) if (cond(node))
func(node); func(node);
} }
@ -1011,8 +1011,8 @@ public:
template<typename Condition, typename Callable> template<typename Condition, typename Callable>
void ForEachNode(const Condition& cond, Callable&& func) const void ForEachNode(const Condition& cond, Callable&& func) const
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (auto&& node : vNodes) { for (auto&& node : m_nodes) {
if (cond(node)) if (cond(node))
func(node); func(node);
} }
@ -1027,8 +1027,8 @@ public:
template<typename Condition, typename Callable, typename CallableAfter> template<typename Condition, typename Callable, typename CallableAfter>
void ForEachNodeThen(const Condition& cond, Callable&& pre, CallableAfter&& post) void ForEachNodeThen(const Condition& cond, Callable&& pre, CallableAfter&& post)
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (auto&& node : vNodes) { for (auto&& node : m_nodes) {
if (cond(node)) if (cond(node))
pre(node); pre(node);
} }
@ -1044,8 +1044,8 @@ public:
template<typename Condition, typename Callable, typename CallableAfter> template<typename Condition, typename Callable, typename CallableAfter>
void ForEachNodeThen(const Condition& cond, Callable&& pre, CallableAfter&& post) const void ForEachNodeThen(const Condition& cond, Callable&& pre, CallableAfter&& post) const
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (auto&& node : vNodes) { for (auto&& node : m_nodes) {
if (cond(node)) if (cond(node))
pre(node); pre(node);
} }
@ -1180,7 +1180,7 @@ public:
bool ShouldRunInactivityChecks(const CNode& node, std::chrono::seconds now) const; bool ShouldRunInactivityChecks(const CNode& node, std::chrono::seconds now) const;
/** /**
* RAII helper to atomically create a copy of `vNodes` and add a reference * RAII helper to atomically create a copy of `m_nodes` and add a reference
* to each of the nodes. The nodes are released when this object is destroyed. * to each of the nodes. The nodes are released when this object is destroyed.
*/ */
class NodesSnapshot class NodesSnapshot
@ -1226,7 +1226,7 @@ private:
/** /**
* Create a `CNode` object from a socket that has just been accepted and add the node to * Create a `CNode` object from a socket that has just been accepted and add the node to
* the `vNodes` member. * the `m_nodes` member.
* @param[in] hSocket Connected socket to communicate with the peer. * @param[in] hSocket Connected socket to communicate with the peer.
* @param[in] permissionFlags The peer's permissions. * @param[in] permissionFlags The peer's permissions.
* @param[in] addr_bind The address and port at our side of the connection. * @param[in] addr_bind The address and port at our side of the connection.
@ -1364,9 +1364,8 @@ private:
void UnregisterEvents(CNode* pnode); void UnregisterEvents(CNode* pnode);
// Network usage totals // Network usage totals
mutable RecursiveMutex cs_totalBytesRecv;
mutable RecursiveMutex cs_totalBytesSent; mutable RecursiveMutex cs_totalBytesSent;
uint64_t nTotalBytesRecv GUARDED_BY(cs_totalBytesRecv) {0}; std::atomic<uint64_t> nTotalBytesRecv{0};
uint64_t nTotalBytesSent GUARDED_BY(cs_totalBytesSent) {0}; uint64_t nTotalBytesSent GUARDED_BY(cs_totalBytesSent) {0};
// outbound limit & stats // outbound limit & stats
@ -1389,21 +1388,23 @@ private:
bool fAddressesInitialized{false}; bool fAddressesInitialized{false};
CAddrMan& addrman; CAddrMan& addrman;
std::deque<std::string> m_addr_fetches GUARDED_BY(m_addr_fetches_mutex); std::deque<std::string> m_addr_fetches GUARDED_BY(m_addr_fetches_mutex);
RecursiveMutex m_addr_fetches_mutex; Mutex m_addr_fetches_mutex;
std::vector<std::string> vAddedNodes GUARDED_BY(cs_vAddedNodes); std::vector<std::string> m_added_nodes GUARDED_BY(m_added_nodes_mutex);
mutable RecursiveMutex cs_vAddedNodes; mutable Mutex m_added_nodes_mutex;
std::vector<CNode*> m_nodes GUARDED_BY(m_nodes_mutex);
std::list<CNode*> m_nodes_disconnected;
mutable RecursiveMutex m_nodes_mutex;
std::atomic<NodeId> nLastNodeId{0};
unsigned int nPrevNodeCount{0};
std::vector<uint256> vPendingMasternodes; std::vector<uint256> vPendingMasternodes;
mutable RecursiveMutex cs_vPendingMasternodes; mutable RecursiveMutex cs_vPendingMasternodes;
std::map<std::pair<Consensus::LLMQType, uint256>, std::set<uint256>> masternodeQuorumNodes GUARDED_BY(cs_vPendingMasternodes); std::map<std::pair<Consensus::LLMQType, uint256>, std::set<uint256>> masternodeQuorumNodes GUARDED_BY(cs_vPendingMasternodes);
std::map<std::pair<Consensus::LLMQType, uint256>, std::set<uint256>> masternodeQuorumRelayMembers GUARDED_BY(cs_vPendingMasternodes); std::map<std::pair<Consensus::LLMQType, uint256>, std::set<uint256>> masternodeQuorumRelayMembers GUARDED_BY(cs_vPendingMasternodes);
std::set<uint256> masternodePendingProbes GUARDED_BY(cs_vPendingMasternodes); std::set<uint256> masternodePendingProbes GUARDED_BY(cs_vPendingMasternodes);
std::vector<CNode*> vNodes GUARDED_BY(cs_vNodes);
std::list<CNode*> vNodesDisconnected;
mutable Mutex cs_mapSocketToNode; mutable Mutex cs_mapSocketToNode;
std::unordered_map<SOCKET, CNode*> mapSocketToNode GUARDED_BY(cs_mapSocketToNode); std::unordered_map<SOCKET, CNode*> mapSocketToNode GUARDED_BY(cs_mapSocketToNode);
mutable RecursiveMutex cs_vNodes;
std::atomic<NodeId> nLastNodeId{0};
unsigned int nPrevNodeCount{0};
/** /**
* Cache responses to addr requests to minimize privacy leak. * Cache responses to addr requests to minimize privacy leak.

10
src/test/util/net.h
View File

@ -23,16 +23,16 @@ struct ConnmanTestMsg : public CConnman {
void AddTestNode(CNode& node) void AddTestNode(CNode& node)
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
vNodes.push_back(&node); m_nodes.push_back(&node);
} }
void ClearTestNodes() void ClearTestNodes()
{ {
LOCK(cs_vNodes); LOCK(m_nodes_mutex);
for (CNode* node : vNodes) { for (CNode* node : m_nodes) {
delete node; delete node;
} }
vNodes.clear(); m_nodes.clear();
} }
void ProcessMessagesOnce(CNode& node) { m_msgproc->ProcessMessages(&node, flagInterruptMsgProc); } void ProcessMessagesOnce(CNode& node) { m_msgproc->ProcessMessages(&node, flagInterruptMsgProc); }