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Diffstat (limited to 'src/net.cpp')
-rw-r--r--src/net.cpp104
1 files changed, 43 insertions, 61 deletions
diff --git a/src/net.cpp b/src/net.cpp
index 91a62626a2..599a6128fa 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -101,7 +101,7 @@ void CConnman::AddOneShot(const std::string& strDest)
unsigned short GetListenPort()
{
- return (unsigned short)(GetArg("-port", Params().GetDefaultPort()));
+ return (unsigned short)(gArgs.GetArg("-port", Params().GetDefaultPort()));
}
// find 'best' local address for a particular peer
@@ -306,7 +306,7 @@ CNode* CConnman::FindNode(const CNetAddr& ip)
for (CNode* pnode : vNodes)
if ((CNetAddr)pnode->addr == ip)
return (pnode);
- return NULL;
+ return nullptr;
}
CNode* CConnman::FindNode(const CSubNet& subNet)
@@ -315,7 +315,7 @@ CNode* CConnman::FindNode(const CSubNet& subNet)
for (CNode* pnode : vNodes)
if (subNet.Match((CNetAddr)pnode->addr))
return (pnode);
- return NULL;
+ return nullptr;
}
CNode* CConnman::FindNode(const std::string& addrName)
@@ -326,7 +326,7 @@ CNode* CConnman::FindNode(const std::string& addrName)
return (pnode);
}
}
- return NULL;
+ return nullptr;
}
CNode* CConnman::FindNode(const CService& addr)
@@ -335,7 +335,7 @@ CNode* CConnman::FindNode(const CService& addr)
for (CNode* pnode : vNodes)
if ((CService)pnode->addr == addr)
return (pnode);
- return NULL;
+ return nullptr;
}
bool CConnman::CheckIncomingNonce(uint64_t nonce)
@@ -366,16 +366,16 @@ static CAddress GetBindAddress(SOCKET sock)
CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCountFailure)
{
- if (pszDest == NULL) {
+ if (pszDest == nullptr) {
if (IsLocal(addrConnect))
- return NULL;
+ return nullptr;
// Look for an existing connection
CNode* pnode = FindNode((CService)addrConnect);
if (pnode)
{
LogPrintf("Failed to open new connection, already connected\n");
- return NULL;
+ return nullptr;
}
}
@@ -393,7 +393,7 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
if (!IsSelectableSocket(hSocket)) {
LogPrintf("Cannot create connection: non-selectable socket created (fd >= FD_SETSIZE ?)\n");
CloseSocket(hSocket);
- return NULL;
+ return nullptr;
}
if (pszDest && addrConnect.IsValid()) {
@@ -408,7 +408,7 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
pnode->MaybeSetAddrName(std::string(pszDest));
CloseSocket(hSocket);
LogPrintf("Failed to open new connection, already connected\n");
- return NULL;
+ return nullptr;
}
}
@@ -429,7 +429,7 @@ CNode* CConnman::ConnectNode(CAddress addrConnect, const char *pszDest, bool fCo
addrman.Attempt(addrConnect, fCountFailure);
}
- return NULL;
+ return nullptr;
}
void CConnman::DumpBanlist()
@@ -514,7 +514,7 @@ void CConnman::Ban(const CSubNet& subNet, const BanReason &banReason, int64_t ba
banEntry.banReason = banReason;
if (bantimeoffset <= 0)
{
- bantimeoffset = GetArg("-bantime", DEFAULT_MISBEHAVING_BANTIME);
+ bantimeoffset = gArgs.GetArg("-bantime", DEFAULT_MISBEHAVING_BANTIME);
sinceUnixEpoch = false;
}
banEntry.nBanUntil = (sinceUnixEpoch ? 0 : GetTime() )+bantimeoffset;
@@ -966,7 +966,7 @@ bool CConnman::AttemptToEvictConnection()
NodeEvictionCandidate candidate = {node->GetId(), node->nTimeConnected, node->nMinPingUsecTime,
node->nLastBlockTime, node->nLastTXTime,
(node->nServices & nRelevantServices) == nRelevantServices,
- node->fRelayTxes, node->pfilter != NULL, node->addr, node->nKeyedNetGroup};
+ node->fRelayTxes, node->pfilter != nullptr, node->addr, node->nKeyedNetGroup};
vEvictionCandidates.push_back(candidate);
}
}
@@ -1524,7 +1524,7 @@ void ThreadMapPort()
void MapPort(bool fUseUPnP)
{
- static boost::thread* upnp_thread = NULL;
+ static boost::thread* upnp_thread = nullptr;
if (fUseUPnP)
{
@@ -1539,7 +1539,7 @@ void MapPort(bool fUseUPnP)
upnp_thread->interrupt();
upnp_thread->join();
delete upnp_thread;
- upnp_thread = NULL;
+ upnp_thread = nullptr;
}
}
@@ -1575,7 +1575,7 @@ void CConnman::ThreadDNSAddressSeed()
// creating fewer identifying DNS requests, reduces trust by giving seeds
// less influence on the network topology, and reduces traffic to the seeds.
if ((addrman.size() > 0) &&
- (!GetBoolArg("-forcednsseed", DEFAULT_FORCEDNSSEED))) {
+ (!gArgs.GetBoolArg("-forcednsseed", DEFAULT_FORCEDNSSEED))) {
if (!interruptNet.sleep_for(std::chrono::seconds(11)))
return;
@@ -1677,7 +1677,7 @@ void CConnman::ProcessOneShot()
void CConnman::ThreadOpenConnections()
{
// Connect to specific addresses
- if (gArgs.IsArgSet("-connect") && gArgs.GetArgs("-connect").size() > 0)
+ if (gArgs.IsArgSet("-connect"))
{
for (int64_t nLoop = 0;; nLoop++)
{
@@ -1685,7 +1685,7 @@ void CConnman::ThreadOpenConnections()
for (const std::string& strAddr : gArgs.GetArgs("-connect"))
{
CAddress addr(CService(), NODE_NONE);
- OpenNetworkConnection(addr, false, NULL, strAddr.c_str());
+ OpenNetworkConnection(addr, false, nullptr, strAddr.c_str());
for (int i = 0; i < 10 && i < nLoop; i++)
{
if (!interruptNet.sleep_for(std::chrono::milliseconds(500)))
@@ -1841,7 +1841,7 @@ void CConnman::ThreadOpenConnections()
LogPrint(BCLog::NET, "Making feeler connection to %s\n", addrConnect.ToString());
}
- OpenNetworkConnection(addrConnect, (int)setConnected.size() >= std::min(nMaxConnections - 1, 2), &grant, NULL, false, fFeeler);
+ OpenNetworkConnection(addrConnect, (int)setConnected.size() >= std::min(nMaxConnections - 1, 2), &grant, nullptr, false, fFeeler);
}
}
}
@@ -1903,8 +1903,7 @@ void CConnman::ThreadOpenAddedConnections()
{
{
LOCK(cs_vAddedNodes);
- if (gArgs.IsArgSet("-addnode"))
- vAddedNodes = gArgs.GetArgs("-addnode");
+ vAddedNodes = gArgs.GetArgs("-addnode");
}
while (true)
@@ -2077,6 +2076,7 @@ bool CConnman::BindListenPort(const CService &addrBind, std::string& strError, b
// Set to non-blocking, incoming connections will also inherit this
if (!SetSocketNonBlocking(hListenSocket, true)) {
+ CloseSocket(hListenSocket);
strError = strprintf("BindListenPort: Setting listening socket to non-blocking failed, error %s\n", NetworkErrorString(WSAGetLastError()));
LogPrintf("%s\n", strError);
return false;
@@ -2153,9 +2153,9 @@ void Discover(boost::thread_group& threadGroup)
struct ifaddrs* myaddrs;
if (getifaddrs(&myaddrs) == 0)
{
- for (struct ifaddrs* ifa = myaddrs; ifa != NULL; ifa = ifa->ifa_next)
+ for (struct ifaddrs* ifa = myaddrs; ifa != nullptr; ifa = ifa->ifa_next)
{
- if (ifa->ifa_addr == NULL) continue;
+ if (ifa->ifa_addr == nullptr) continue;
if ((ifa->ifa_flags & IFF_UP) == 0) continue;
if (strcmp(ifa->ifa_name, "lo") == 0) continue;
if (strcmp(ifa->ifa_name, "lo0") == 0) continue;
@@ -2183,16 +2183,18 @@ void CConnman::SetNetworkActive(bool active)
{
LogPrint(BCLog::NET, "SetNetworkActive: %s\n", active);
- if (!active) {
- fNetworkActive = false;
+ if (fNetworkActive == active) {
+ return;
+ }
+
+ fNetworkActive = active;
+ if (!fNetworkActive) {
LOCK(cs_vNodes);
// Close sockets to all nodes
for (CNode* pnode : vNodes) {
pnode->CloseSocketDisconnect();
}
- } else {
- fNetworkActive = true;
}
uiInterface.NotifyNetworkActiveChanged(fNetworkActive);
@@ -2206,14 +2208,12 @@ CConnman::CConnman(uint64_t nSeed0In, uint64_t nSeed1In) : nSeed0(nSeed0In), nSe
nLastNodeId = 0;
nSendBufferMaxSize = 0;
nReceiveFloodSize = 0;
- semOutbound = NULL;
- semAddnode = NULL;
- nMaxConnections = 0;
- nMaxOutbound = 0;
- nMaxAddnode = 0;
- nBestHeight = 0;
- clientInterface = NULL;
+ semOutbound = nullptr;
+ semAddnode = nullptr;
flagInterruptMsgProc = false;
+
+ Options connOptions;
+ Init(connOptions);
}
NodeId CConnman::GetNewNodeId()
@@ -2252,30 +2252,15 @@ bool CConnman::InitBinds(const std::vector<CService>& binds, const std::vector<C
return fBound;
}
-bool CConnman::Start(CScheduler& scheduler, Options connOptions)
+bool CConnman::Start(CScheduler& scheduler, const Options& connOptions)
{
+ Init(connOptions);
+
nTotalBytesRecv = 0;
nTotalBytesSent = 0;
nMaxOutboundTotalBytesSentInCycle = 0;
nMaxOutboundCycleStartTime = 0;
- nRelevantServices = connOptions.nRelevantServices;
- nLocalServices = connOptions.nLocalServices;
- nMaxConnections = connOptions.nMaxConnections;
- nMaxOutbound = std::min((connOptions.nMaxOutbound), nMaxConnections);
- nMaxAddnode = connOptions.nMaxAddnode;
- nMaxFeeler = connOptions.nMaxFeeler;
-
- nSendBufferMaxSize = connOptions.nSendBufferMaxSize;
- nReceiveFloodSize = connOptions.nReceiveFloodSize;
-
- nMaxOutboundLimit = connOptions.nMaxOutboundLimit;
- nMaxOutboundTimeframe = connOptions.nMaxOutboundTimeframe;
-
- SetBestHeight(connOptions.nBestHeight);
-
- clientInterface = connOptions.uiInterface;
-
if (fListen && !InitBinds(connOptions.vBinds, connOptions.vWhiteBinds)) {
if (clientInterface) {
clientInterface->ThreadSafeMessageBox(
@@ -2285,8 +2270,6 @@ bool CConnman::Start(CScheduler& scheduler, Options connOptions)
return false;
}
- vWhitelistedRange = connOptions.vWhitelistedRange;
-
for (const auto& strDest : connOptions.vSeedNodes) {
AddOneShot(strDest);
}
@@ -2329,11 +2312,11 @@ bool CConnman::Start(CScheduler& scheduler, Options connOptions)
fAddressesInitialized = true;
- if (semOutbound == NULL) {
+ if (semOutbound == nullptr) {
// initialize semaphore
semOutbound = new CSemaphore(std::min((nMaxOutbound + nMaxFeeler), nMaxConnections));
}
- if (semAddnode == NULL) {
+ if (semAddnode == nullptr) {
// initialize semaphore
semAddnode = new CSemaphore(nMaxAddnode);
}
@@ -2353,7 +2336,7 @@ bool CConnman::Start(CScheduler& scheduler, Options connOptions)
// Send and receive from sockets, accept connections
threadSocketHandler = std::thread(&TraceThread<std::function<void()> >, "net", std::function<void()>(std::bind(&CConnman::ThreadSocketHandler, this)));
- if (!GetBoolArg("-dnsseed", true))
+ if (!gArgs.GetBoolArg("-dnsseed", true))
LogPrintf("DNS seeding disabled\n");
else
threadDNSAddressSeed = std::thread(&TraceThread<std::function<void()> >, "dnsseed", std::function<void()>(std::bind(&CConnman::ThreadDNSAddressSeed, this)));
@@ -2451,9 +2434,9 @@ void CConnman::Stop()
vNodesDisconnected.clear();
vhListenSocket.clear();
delete semOutbound;
- semOutbound = NULL;
+ semOutbound = nullptr;
delete semAddnode;
- semAddnode = NULL;
+ semAddnode = nullptr;
}
void CConnman::DeleteNode(CNode* pnode)
@@ -2692,7 +2675,6 @@ int CConnman::GetBestHeight() const
}
unsigned int CConnman::GetReceiveFloodSize() const { return nReceiveFloodSize; }
-unsigned int CConnman::GetSendBufferSize() const{ return nSendBufferMaxSize; }
CNode::CNode(NodeId idIn, ServiceFlags nLocalServicesIn, int nMyStartingHeightIn, SOCKET hSocketIn, const CAddress& addrIn, uint64_t nKeyedNetGroupIn, uint64_t nLocalHostNonceIn, const CAddress &addrBindIn, const std::string& addrNameIn, bool fInboundIn) :
nTimeConnected(GetSystemTimeInSeconds()),
@@ -2877,5 +2859,5 @@ uint64_t CConnman::CalculateKeyedNetGroup(const CAddress& ad) const
{
std::vector<unsigned char> vchNetGroup(ad.GetGroup());
- return GetDeterministicRandomizer(RANDOMIZER_ID_NETGROUP).Write(&vchNetGroup[0], vchNetGroup.size()).Finalize();
+ return GetDeterministicRandomizer(RANDOMIZER_ID_NETGROUP).Write(vchNetGroup.data(), vchNetGroup.size()).Finalize();
}