aboutsummaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
Diffstat (limited to 'src')
-rw-r--r--src/init.cpp2
-rw-r--r--src/net.cpp103
-rw-r--r--src/netbase.cpp18
-rw-r--r--src/netbase.h1
4 files changed, 100 insertions, 24 deletions
diff --git a/src/init.cpp b/src/init.cpp
index e01516eb33..890a7d03a2 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -192,7 +192,7 @@ bool AppInit2(int argc, char* argv[])
" -dns \t " + _("Allow DNS lookups for addnode and connect") + "\n" +
" -port=<port> \t\t " + _("Listen for connections on <port> (default: 8333 or testnet: 18333)") + "\n" +
" -maxconnections=<n>\t " + _("Maintain at most <n> connections to peers (default: 125)") + "\n" +
- " -addnode=<ip> \t " + _("Add a node to connect to") + "\n" +
+ " -addnode=<ip> \t " + _("Add a node to connect to and attempt to keep the connection open") + "\n" +
" -connect=<ip> \t\t " + _("Connect only to the specified node") + "\n" +
" -noirc \t " + _("Don't find peers using internet relay chat") + "\n" +
" -nolisten \t " + _("Don't accept connections from outside") + "\n" +
diff --git a/src/net.cpp b/src/net.cpp
index 817203b013..cdd72fddd3 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -29,6 +29,7 @@ static const int MAX_OUTBOUND_CONNECTIONS = 8;
void ThreadMessageHandler2(void* parg);
void ThreadSocketHandler2(void* parg);
void ThreadOpenConnections2(void* parg);
+void ThreadOpenAddedConnections2(void* parg);
#ifdef USE_UPNP
void ThreadMapPort2(void* parg);
#endif
@@ -61,6 +62,9 @@ CCriticalSection cs_mapRelay;
map<CInv, int64> mapAlreadyAskedFor;
+set<CNetAddr> setservAddNodeAddresses;
+CCriticalSection cs_setservAddNodeAddresses;
+
@@ -750,7 +754,9 @@ void ThreadSocketHandler2(void* parg)
}
else if (nInbound >= GetArg("-maxconnections", 125) - MAX_OUTBOUND_CONNECTIONS)
{
- closesocket(hSocket);
+ CRITICAL_BLOCK(cs_setservAddNodeAddresses)
+ if (!setservAddNodeAddresses.count(addr))
+ closesocket(hSocket);
}
else if (CNode::IsBanned(addr))
{
@@ -1211,22 +1217,6 @@ void ThreadOpenConnections2(void* parg)
}
}
- // Connect to manually added nodes first
- if (mapArgs.count("-addnode"))
- {
- BOOST_FOREACH(string strAddr, mapMultiArgs["-addnode"])
- {
- CAddress addr(strAddr, fAllowDNS);
- if (addr.IsValid())
- {
- OpenNetworkConnection(addr);
- Sleep(500);
- if (fShutdown)
- return;
- }
- }
- }
-
// Initiate network connections
int64 nStart = GetTime();
loop
@@ -1355,6 +1345,76 @@ void ThreadOpenConnections2(void* parg)
}
}
+void ThreadOpenAddedConnections(void* parg)
+{
+ IMPLEMENT_RANDOMIZE_STACK(ThreadOpenAddedConnections(parg));
+ try
+ {
+ vnThreadsRunning[7]++;
+ ThreadOpenAddedConnections2(parg);
+ vnThreadsRunning[7]--;
+ }
+ catch (std::exception& e) {
+ vnThreadsRunning[7]--;
+ PrintException(&e, "ThreadOpenAddedConnections()");
+ } catch (...) {
+ vnThreadsRunning[7]--;
+ PrintException(NULL, "ThreadOpenAddedConnections()");
+ }
+ printf("ThreadOpenAddedConnections exiting\n");
+}
+
+void ThreadOpenAddedConnections2(void* parg)
+{
+ printf("ThreadOpenAddedConnections started\n");
+
+ if (mapArgs.count("-addnode") == 0)
+ return;
+
+ vector<vector<CService> > vservAddressesToAdd(0);
+ BOOST_FOREACH(string& strAddNode, mapMultiArgs["-addnode"])
+ {
+ vector<CService> vservNode(0);
+ if(Lookup(strAddNode.c_str(), vservNode, GetDefaultPort(), fAllowDNS, 0))
+ {
+ vservAddressesToAdd.push_back(vservNode);
+ CRITICAL_BLOCK(cs_setservAddNodeAddresses)
+ BOOST_FOREACH(CService& serv, vservNode)
+ setservAddNodeAddresses.insert(serv);
+ }
+ }
+ loop
+ {
+ vector<vector<CService> > vservConnectAddresses = vservAddressesToAdd;
+ // Attempt to connect to each IP for each addnode entry until at least one is successful per addnode entry
+ // (keeping in mind that addnode entries can have many IPs if fAllowDNS)
+ CRITICAL_BLOCK(cs_vNodes)
+ BOOST_FOREACH(CNode* pnode, vNodes)
+ for (vector<vector<CService> >::iterator it = vservConnectAddresses.begin(); it != vservConnectAddresses.end(); it++)
+ BOOST_FOREACH(CService& addrNode, *(it))
+ if (pnode->addr == addrNode)
+ {
+ it = vservConnectAddresses.erase(it);
+ it--;
+ break;
+ }
+ BOOST_FOREACH(vector<CService>& vserv, vservConnectAddresses)
+ {
+ OpenNetworkConnection(CAddress(*(vserv.begin())));
+ Sleep(500);
+ if (fShutdown)
+ return;
+ }
+ if (fShutdown)
+ return;
+ vnThreadsRunning[7]--;
+ Sleep(120000); // Retry every 2 minutes
+ vnThreadsRunning[7]++;
+ if (fShutdown)
+ return;
+ }
+}
+
bool OpenNetworkConnection(const CAddress& addrConnect)
{
//
@@ -1631,6 +1691,10 @@ void StartNode(void* parg)
if (!CreateThread(ThreadSocketHandler, NULL))
printf("Error: CreateThread(ThreadSocketHandler) failed\n");
+ // Initiate outbound connections from -addnode
+ if (!CreateThread(ThreadOpenAddedConnections, NULL))
+ printf("Error: CreateThread(ThreadOpenAddedConnections) failed\n");
+
// Initiate outbound connections
if (!CreateThread(ThreadOpenConnections, NULL))
printf("Error: CreateThread(ThreadOpenConnections) failed\n");
@@ -1650,9 +1714,7 @@ bool StopNode()
nTransactionsUpdated++;
int64 nStart = GetTime();
while (vnThreadsRunning[0] > 0 || vnThreadsRunning[2] > 0 || vnThreadsRunning[3] > 0 || vnThreadsRunning[4] > 0
-#ifdef USE_UPNP
- || vnThreadsRunning[5] > 0
-#endif
+ || (fHaveUPnP && vnThreadsRunning[5] > 0) || vnThreadsRunning[6] > 0 || vnThreadsRunning[7] > 0
)
{
if (GetTime() - nStart > 20)
@@ -1666,6 +1728,7 @@ bool StopNode()
if (vnThreadsRunning[4] > 0) printf("ThreadRPCServer still running\n");
if (fHaveUPnP && vnThreadsRunning[5] > 0) printf("ThreadMapPort still running\n");
if (vnThreadsRunning[6] > 0) printf("ThreadDNSAddressSeed still running\n");
+ if (vnThreadsRunning[7] > 0) printf("ThreadOpenAddedConnections still running\n");
while (vnThreadsRunning[2] > 0 || vnThreadsRunning[4] > 0)
Sleep(20);
Sleep(50);
diff --git a/src/netbase.cpp b/src/netbase.cpp
index ca27c2a8ce..48db3625c0 100644
--- a/src/netbase.cpp
+++ b/src/netbase.cpp
@@ -98,7 +98,7 @@ bool LookupHostNumeric(const char *pszName, std::vector<CNetAddr>& vIP, int nMax
return LookupHost(pszName, vIP, nMaxSolutions, false);
}
-bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLookup)
+bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault, bool fAllowLookup, int nMaxSolutions)
{
if (pszName[0] == 0)
return false;
@@ -132,10 +132,22 @@ bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLoo
}
std::vector<CNetAddr> vIP;
- bool fRet = LookupIntern(pszHost, vIP, 1, fAllowLookup);
+ bool fRet = LookupIntern(pszHost, vIP, nMaxSolutions, fAllowLookup);
+ if (!fRet)
+ return false;
+ vAddr.resize(vIP.size());
+ for (int i = 0; i < vIP.size(); i++)
+ vAddr[i] = CService(vIP[i], port);
+ return true;
+}
+
+bool Lookup(const char *pszName, CService& addr, int portDefault, bool fAllowLookup)
+{
+ std::vector<CService> vService;
+ bool fRet = Lookup(pszName, vService, portDefault, fAllowLookup, 1);
if (!fRet)
return false;
- addr = CService(vIP[0], port);
+ addr = vService[0];
return true;
}
diff --git a/src/netbase.h b/src/netbase.h
index 6f06f8fe08..b12fb0045a 100644
--- a/src/netbase.h
+++ b/src/netbase.h
@@ -128,6 +128,7 @@ class CService : public CNetAddr
bool LookupHost(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions = 0, bool fAllowLookup = true);
bool LookupHostNumeric(const char *pszName, std::vector<CNetAddr>& vIP, int nMaxSolutions = 0);
bool Lookup(const char *pszName, CService& addr, int portDefault = 0, bool fAllowLookup = true);
+bool Lookup(const char *pszName, std::vector<CService>& vAddr, int portDefault = 0, bool fAllowLookup = true, int nMaxSolutions = 0);
bool LookupNumeric(const char *pszName, CService& addr, int portDefault = 0);
bool ConnectSocket(const CService &addr, SOCKET& hSocketRet, int nTimeout = nConnectTimeout);
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-07 09:53:07 +0000