1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2012 The Bitcoin developers
3 // Distributed under the MIT/X11 software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
12 #include "ui_interface.h"
19 #include <miniupnpc/miniwget.h>
20 #include <miniupnpc/miniupnpc.h>
21 #include <miniupnpc/upnpcommands.h>
22 #include <miniupnpc/upnperrors.h>
26 using namespace boost;
28 static const int MAX_OUTBOUND_CONNECTIONS = 16;
30 void ThreadMessageHandler2(void* parg);
31 void ThreadSocketHandler2(void* parg);
32 void ThreadOpenConnections2(void* parg);
33 void ThreadOpenAddedConnections2(void* parg);
35 void ThreadMapPort2(void* parg);
37 void ThreadDNSAddressSeed2(void* parg);
38 bool OpenNetworkConnection(const CAddress& addrConnect, CSemaphoreGrant *grantOutbound = NULL, const char *strDest = NULL, bool fOneShot = false);
41 struct LocalServiceInfo {
47 // Global state variables
50 bool fDiscover = true;
51 bool fUseUPnP = false;
52 uint64 nLocalServices = (fClient ? 0 : NODE_NETWORK);
53 static CCriticalSection cs_mapLocalHost;
54 static map<CNetAddr, LocalServiceInfo> mapLocalHost;
55 static bool vfReachable[NET_MAX] = {};
56 static bool vfLimited[NET_MAX] = {};
57 static CNode* pnodeLocalHost = NULL;
58 static CNode* pnodeSync = NULL;
59 CAddress addrSeenByPeer(CService("0.0.0.0", 0), nLocalServices);
60 uint64 nLocalHostNonce = 0;
61 boost::array<int, THREAD_MAX> vnThreadsRunning;
62 static std::vector<SOCKET> vhListenSocket;
65 vector<CNode*> vNodes;
66 CCriticalSection cs_vNodes;
67 map<CInv, CDataStream> mapRelay;
68 deque<pair<int64, CInv> > vRelayExpiration;
69 CCriticalSection cs_mapRelay;
70 map<CInv, int64> mapAlreadyAskedFor;
72 static deque<string> vOneShots;
73 CCriticalSection cs_vOneShots;
75 set<CNetAddr> setservAddNodeAddresses;
76 CCriticalSection cs_setservAddNodeAddresses;
78 static CSemaphore *semOutbound = NULL;
80 void AddOneShot(string strDest)
83 vOneShots.push_back(strDest);
86 unsigned short GetListenPort()
88 return (unsigned short)(GetArg("-port", GetDefaultPort()));
91 void CNode::PushGetBlocks(CBlockIndex* pindexBegin, uint256 hashEnd)
93 // Filter out duplicate requests
94 if (pindexBegin == pindexLastGetBlocksBegin && hashEnd == hashLastGetBlocksEnd)
96 pindexLastGetBlocksBegin = pindexBegin;
97 hashLastGetBlocksEnd = hashEnd;
99 PushMessage("getblocks", CBlockLocator(pindexBegin), hashEnd);
102 // find 'best' local address for a particular peer
103 bool GetLocal(CService& addr, const CNetAddr *paddrPeer)
109 int nBestReachability = -1;
111 LOCK(cs_mapLocalHost);
112 for (map<CNetAddr, LocalServiceInfo>::iterator it = mapLocalHost.begin(); it != mapLocalHost.end(); it++)
114 int nScore = (*it).second.nScore;
115 int nReachability = (*it).first.GetReachabilityFrom(paddrPeer);
116 if (nReachability > nBestReachability || (nReachability == nBestReachability && nScore > nBestScore))
118 addr = CService((*it).first, (*it).second.nPort);
119 nBestReachability = nReachability;
124 return nBestScore >= 0;
127 // get best local address for a particular peer as a CAddress
128 CAddress GetLocalAddress(const CNetAddr *paddrPeer)
130 CAddress ret(CService("0.0.0.0",0),0);
132 if (GetLocal(addr, paddrPeer))
134 ret = CAddress(addr);
135 ret.nServices = nLocalServices;
136 ret.nTime = GetAdjustedTime();
141 bool RecvLine(SOCKET hSocket, string& strLine)
147 int nBytes = recv(hSocket, &c, 1, 0);
155 if (strLine.size() >= 9000)
158 else if (nBytes <= 0)
164 int nErr = WSAGetLastError();
165 if (nErr == WSAEMSGSIZE)
167 if (nErr == WSAEWOULDBLOCK || nErr == WSAEINTR || nErr == WSAEINPROGRESS)
173 if (!strLine.empty())
178 printf("socket closed\n");
184 int nErr = WSAGetLastError();
185 printf("recv failed: %d\n", nErr);
192 // used when scores of local addresses may have changed
193 // pushes better local address to peers
194 void static AdvertizeLocal()
197 BOOST_FOREACH(CNode* pnode, vNodes)
199 if (pnode->fSuccessfullyConnected)
201 CAddress addrLocal = GetLocalAddress(&pnode->addr);
202 if (addrLocal.IsRoutable() && (CService)addrLocal != (CService)pnode->addrLocal)
204 pnode->PushAddress(addrLocal);
205 pnode->addrLocal = addrLocal;
211 void SetReachable(enum Network net, bool fFlag)
213 LOCK(cs_mapLocalHost);
214 vfReachable[net] = fFlag;
215 if (net == NET_IPV6 && fFlag)
216 vfReachable[NET_IPV4] = true;
219 // learn a new local address
220 bool AddLocal(const CService& addr, int nScore)
222 if (!addr.IsRoutable())
225 if (!fDiscover && nScore < LOCAL_MANUAL)
231 printf("AddLocal(%s,%i)\n", addr.ToString().c_str(), nScore);
234 LOCK(cs_mapLocalHost);
235 bool fAlready = mapLocalHost.count(addr) > 0;
236 LocalServiceInfo &info = mapLocalHost[addr];
237 if (!fAlready || nScore >= info.nScore) {
238 info.nScore = nScore + (fAlready ? 1 : 0);
239 info.nPort = addr.GetPort();
241 SetReachable(addr.GetNetwork());
249 bool AddLocal(const CNetAddr &addr, int nScore)
251 return AddLocal(CService(addr, GetListenPort()), nScore);
254 /** Make a particular network entirely off-limits (no automatic connects to it) */
255 void SetLimited(enum Network net, bool fLimited)
257 if (net == NET_UNROUTABLE)
259 LOCK(cs_mapLocalHost);
260 vfLimited[net] = fLimited;
263 bool IsLimited(enum Network net)
265 LOCK(cs_mapLocalHost);
266 return vfLimited[net];
269 bool IsLimited(const CNetAddr &addr)
271 return IsLimited(addr.GetNetwork());
274 /** vote for a local address */
275 bool SeenLocal(const CService& addr)
278 LOCK(cs_mapLocalHost);
279 if (mapLocalHost.count(addr) == 0)
281 mapLocalHost[addr].nScore++;
289 /** check whether a given address is potentially local */
290 bool IsLocal(const CService& addr)
292 LOCK(cs_mapLocalHost);
293 return mapLocalHost.count(addr) > 0;
296 /** check whether a given address is in a network we can probably connect to */
297 bool IsReachable(const CNetAddr& addr)
299 LOCK(cs_mapLocalHost);
300 enum Network net = addr.GetNetwork();
301 return vfReachable[net] && !vfLimited[net];
304 extern int GetExternalIPbySTUN(uint64_t rnd, struct sockaddr_in *mapped, const char **srv);
306 // We now get our external IP from the IRC server first and only use this as a backup
307 bool GetMyExternalIP(CNetAddr& ipRet)
309 struct sockaddr_in mapped;
310 uint64 rnd = GetRand(~0LL);
312 int rc = GetExternalIPbySTUN(rnd, &mapped, &srv);
314 ipRet = CNetAddr(mapped.sin_addr);
315 printf("GetExternalIPbySTUN(%"PRI64u") returned %s in attempt %d; Server=%s\n", rnd, ipRet.ToStringIP().c_str(), rc, srv);
321 void ThreadGetMyExternalIP(void* parg)
323 // Make this thread recognisable as the external IP detection thread
324 RenameThread("novacoin-ext-ip");
326 CNetAddr addrLocalHost;
327 if (GetMyExternalIP(addrLocalHost))
329 printf("GetMyExternalIP() returned %s\n", addrLocalHost.ToStringIP().c_str());
330 AddLocal(addrLocalHost, LOCAL_HTTP);
338 void AddressCurrentlyConnected(const CService& addr)
340 addrman.Connected(addr);
346 uint64_t CNode::nTotalBytesRecv = 0;
347 uint64_t CNode::nTotalBytesSent = 0;
348 CCriticalSection CNode::cs_totalBytesRecv;
349 CCriticalSection CNode::cs_totalBytesSent;
351 CNode* FindNode(const CNetAddr& ip)
354 BOOST_FOREACH(CNode* pnode, vNodes)
355 if ((CNetAddr)pnode->addr == ip)
360 CNode* FindNode(std::string addrName)
363 BOOST_FOREACH(CNode* pnode, vNodes)
364 if (pnode->addrName == addrName)
369 CNode* FindNode(const CService& addr)
372 BOOST_FOREACH(CNode* pnode, vNodes)
373 if ((CService)pnode->addr == addr)
378 CNode* ConnectNode(CAddress addrConnect, const char *pszDest, int64 nTimeout)
380 if (pszDest == NULL) {
381 if (IsLocal(addrConnect))
384 // Look for an existing connection
385 CNode* pnode = FindNode((CService)addrConnect);
389 pnode->AddRef(nTimeout);
398 printf("trying connection %s lastseen=%.1fhrs\n",
399 pszDest ? pszDest : addrConnect.ToString().c_str(),
400 pszDest ? 0 : (double)(GetAdjustedTime() - addrConnect.nTime)/3600.0);
404 if (pszDest ? ConnectSocketByName(addrConnect, hSocket, pszDest, GetDefaultPort()) : ConnectSocket(addrConnect, hSocket))
406 addrman.Attempt(addrConnect);
409 printf("connected %s\n", pszDest ? pszDest : addrConnect.ToString().c_str());
411 // Set to non-blocking
414 if (ioctlsocket(hSocket, FIONBIO, &nOne) == SOCKET_ERROR)
415 printf("ConnectSocket() : ioctlsocket non-blocking setting failed, error %d\n", WSAGetLastError());
417 if (fcntl(hSocket, F_SETFL, O_NONBLOCK) == SOCKET_ERROR)
418 printf("ConnectSocket() : fcntl non-blocking setting failed, error %d\n", errno);
422 CNode* pnode = new CNode(hSocket, addrConnect, pszDest ? pszDest : "", false);
424 pnode->AddRef(nTimeout);
430 vNodes.push_back(pnode);
433 pnode->nTimeConnected = GetTime();
442 void CNode::CloseSocketDisconnect()
445 if (hSocket != INVALID_SOCKET)
447 printf("disconnecting node %s\n", addrName.c_str());
448 closesocket(hSocket);
449 hSocket = INVALID_SOCKET;
453 // in case this fails, we'll empty the recv buffer when the CNode is deleted
454 TRY_LOCK(cs_vRecv, lockRecv);
458 // if this was the sync node, we'll need a new one
459 if (this == pnodeSync)
463 void CNode::Cleanup()
468 void CNode::PushVersion()
470 /// when NTP implemented, change to just nTime = GetAdjustedTime()
471 int64 nTime = (fInbound ? GetAdjustedTime() : GetTime());
472 CAddress addrYou = (addr.IsRoutable() && !IsProxy(addr) ? addr : CAddress(CService("0.0.0.0",0)));
473 CAddress addrMe = GetLocalAddress(&addr);
474 RAND_bytes((unsigned char*)&nLocalHostNonce, sizeof(nLocalHostNonce));
475 printf("send version message: version %d, blocks=%d, us=%s, them=%s, peer=%s\n", PROTOCOL_VERSION, nBestHeight, addrMe.ToString().c_str(), addrYou.ToString().c_str(), addr.ToString().c_str());
476 PushMessage("version", PROTOCOL_VERSION, nLocalServices, nTime, addrYou, addrMe,
477 nLocalHostNonce, FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, std::vector<string>()), nBestHeight);
484 std::map<CNetAddr, int64> CNode::setBanned;
485 CCriticalSection CNode::cs_setBanned;
487 void CNode::ClearBanned()
492 bool CNode::IsBanned(CNetAddr ip)
494 bool fResult = false;
497 std::map<CNetAddr, int64>::iterator i = setBanned.find(ip);
498 if (i != setBanned.end())
500 int64 t = (*i).second;
508 bool CNode::Misbehaving(int howmuch)
512 printf("Warning: Local node %s misbehaving (delta: %d)!\n", addrName.c_str(), howmuch);
516 nMisbehavior += howmuch;
517 if (nMisbehavior >= GetArg("-banscore", 100))
519 int64 banTime = GetTime()+GetArg("-bantime", 60*60*24); // Default 24-hour ban
520 printf("Misbehaving: %s (%d -> %d) DISCONNECTING\n", addr.ToString().c_str(), nMisbehavior-howmuch, nMisbehavior);
523 if (setBanned[addr] < banTime)
524 setBanned[addr] = banTime;
526 CloseSocketDisconnect();
529 printf("Misbehaving: %s (%d -> %d)\n", addr.ToString().c_str(), nMisbehavior-howmuch, nMisbehavior);
534 #define X(name) stats.name = name
535 void CNode::copyStats(CNodeStats &stats)
550 stats.fSyncNode = (this == pnodeSync);
563 void ThreadSocketHandler(void* parg)
565 // Make this thread recognisable as the networking thread
566 RenameThread("novacoin-net");
570 vnThreadsRunning[THREAD_SOCKETHANDLER]++;
571 ThreadSocketHandler2(parg);
572 vnThreadsRunning[THREAD_SOCKETHANDLER]--;
574 catch (std::exception& e) {
575 vnThreadsRunning[THREAD_SOCKETHANDLER]--;
576 PrintException(&e, "ThreadSocketHandler()");
578 vnThreadsRunning[THREAD_SOCKETHANDLER]--;
579 throw; // support pthread_cancel()
581 printf("ThreadSocketHandler exited\n");
584 void ThreadSocketHandler2(void* parg)
586 printf("ThreadSocketHandler started\n");
587 list<CNode*> vNodesDisconnected;
588 unsigned int nPrevNodeCount = 0;
597 // Disconnect unused nodes
598 vector<CNode*> vNodesCopy = vNodes;
599 BOOST_FOREACH(CNode* pnode, vNodesCopy)
601 if (pnode->fDisconnect ||
602 (pnode->GetRefCount() <= 0 && pnode->vRecv.empty() && pnode->vSend.empty()))
604 // remove from vNodes
605 vNodes.erase(remove(vNodes.begin(), vNodes.end(), pnode), vNodes.end());
607 // release outbound grant (if any)
608 pnode->grantOutbound.Release();
610 // close socket and cleanup
611 pnode->CloseSocketDisconnect();
614 // hold in disconnected pool until all refs are released
615 pnode->nReleaseTime = max(pnode->nReleaseTime, GetTime() + 15 * 60);
616 if (pnode->fNetworkNode || pnode->fInbound)
618 vNodesDisconnected.push_back(pnode);
622 // Delete disconnected nodes
623 list<CNode*> vNodesDisconnectedCopy = vNodesDisconnected;
624 BOOST_FOREACH(CNode* pnode, vNodesDisconnectedCopy)
626 // wait until threads are done using it
627 if (pnode->GetRefCount() <= 0)
629 bool fDelete = false;
631 TRY_LOCK(pnode->cs_vSend, lockSend);
634 TRY_LOCK(pnode->cs_vRecv, lockRecv);
637 TRY_LOCK(pnode->cs_mapRequests, lockReq);
640 TRY_LOCK(pnode->cs_inventory, lockInv);
649 vNodesDisconnected.remove(pnode);
655 if (vNodes.size() != nPrevNodeCount)
657 nPrevNodeCount = vNodes.size();
658 uiInterface.NotifyNumConnectionsChanged(vNodes.size());
663 // Find which sockets have data to receive
665 struct timeval timeout;
667 timeout.tv_usec = 50000; // frequency to poll pnode->vSend
674 FD_ZERO(&fdsetError);
675 SOCKET hSocketMax = 0;
676 bool have_fds = false;
678 BOOST_FOREACH(SOCKET hListenSocket, vhListenSocket) {
679 FD_SET(hListenSocket, &fdsetRecv);
680 hSocketMax = max(hSocketMax, hListenSocket);
685 BOOST_FOREACH(CNode* pnode, vNodes)
687 if (pnode->hSocket == INVALID_SOCKET)
689 FD_SET(pnode->hSocket, &fdsetRecv);
690 FD_SET(pnode->hSocket, &fdsetError);
691 hSocketMax = max(hSocketMax, pnode->hSocket);
694 TRY_LOCK(pnode->cs_vSend, lockSend);
695 if (lockSend && !pnode->vSend.empty())
696 FD_SET(pnode->hSocket, &fdsetSend);
701 vnThreadsRunning[THREAD_SOCKETHANDLER]--;
702 int nSelect = select(have_fds ? hSocketMax + 1 : 0,
703 &fdsetRecv, &fdsetSend, &fdsetError, &timeout);
704 vnThreadsRunning[THREAD_SOCKETHANDLER]++;
707 if (nSelect == SOCKET_ERROR)
711 int nErr = WSAGetLastError();
712 printf("socket select error %d\n", nErr);
713 for (unsigned int i = 0; i <= hSocketMax; i++)
714 FD_SET(i, &fdsetRecv);
717 FD_ZERO(&fdsetError);
718 Sleep(timeout.tv_usec/1000);
723 // Accept new connections
725 BOOST_FOREACH(SOCKET hListenSocket, vhListenSocket)
726 if (hListenSocket != INVALID_SOCKET && FD_ISSET(hListenSocket, &fdsetRecv))
729 struct sockaddr_storage sockaddr;
731 struct sockaddr sockaddr;
733 socklen_t len = sizeof(sockaddr);
734 SOCKET hSocket = accept(hListenSocket, (struct sockaddr*)&sockaddr, &len);
738 if (hSocket != INVALID_SOCKET)
739 if (!addr.SetSockAddr((const struct sockaddr*)&sockaddr))
740 printf("Warning: Unknown socket family\n");
744 BOOST_FOREACH(CNode* pnode, vNodes)
749 if (hSocket == INVALID_SOCKET)
751 int nErr = WSAGetLastError();
752 if (nErr != WSAEWOULDBLOCK)
753 printf("socket error accept failed: %d\n", nErr);
755 else if (nInbound >= GetArg("-maxconnections", 125) - MAX_OUTBOUND_CONNECTIONS)
758 LOCK(cs_setservAddNodeAddresses);
759 if (!setservAddNodeAddresses.count(addr))
760 closesocket(hSocket);
763 else if (CNode::IsBanned(addr))
765 printf("connection from %s dropped (banned)\n", addr.ToString().c_str());
766 closesocket(hSocket);
770 printf("accepted connection %s\n", addr.ToString().c_str());
771 CNode* pnode = new CNode(hSocket, addr, "", true);
775 vNodes.push_back(pnode);
782 // Service each socket
784 vector<CNode*> vNodesCopy;
788 BOOST_FOREACH(CNode* pnode, vNodesCopy)
791 BOOST_FOREACH(CNode* pnode, vNodesCopy)
799 if (pnode->hSocket == INVALID_SOCKET)
801 if (FD_ISSET(pnode->hSocket, &fdsetRecv) || FD_ISSET(pnode->hSocket, &fdsetError))
803 TRY_LOCK(pnode->cs_vRecv, lockRecv);
806 CDataStream& vRecv = pnode->vRecv;
807 unsigned int nPos = vRecv.size();
809 if (nPos > ReceiveBufferSize()) {
810 if (!pnode->fDisconnect)
811 printf("socket recv flood control disconnect (%"PRIszu" bytes)\n", vRecv.size());
812 pnode->CloseSocketDisconnect();
815 // typical socket buffer is 8K-64K
816 char pchBuf[0x10000];
817 int nBytes = recv(pnode->hSocket, pchBuf, sizeof(pchBuf), MSG_DONTWAIT);
820 vRecv.resize(nPos + nBytes);
821 memcpy(&vRecv[nPos], pchBuf, nBytes);
822 pnode->nLastRecv = GetTime();
823 pnode->nRecvBytes += nBytes;
824 pnode->RecordBytesRecv(nBytes);
826 else if (nBytes == 0)
828 // socket closed gracefully
829 if (!pnode->fDisconnect)
830 printf("socket closed\n");
831 pnode->CloseSocketDisconnect();
836 int nErr = WSAGetLastError();
837 if (nErr != WSAEWOULDBLOCK && nErr != WSAEMSGSIZE && nErr != WSAEINTR && nErr != WSAEINPROGRESS)
839 if (!pnode->fDisconnect)
840 printf("socket recv error %d\n", nErr);
841 pnode->CloseSocketDisconnect();
851 if (pnode->hSocket == INVALID_SOCKET)
853 if (FD_ISSET(pnode->hSocket, &fdsetSend))
855 TRY_LOCK(pnode->cs_vSend, lockSend);
858 CDataStream& vSend = pnode->vSend;
861 int nBytes = send(pnode->hSocket, &vSend[0], vSend.size(), MSG_NOSIGNAL | MSG_DONTWAIT);
864 vSend.erase(vSend.begin(), vSend.begin() + nBytes);
865 pnode->nLastSend = GetTime();
866 pnode->nSendBytes += nBytes;
867 pnode->RecordBytesSent(nBytes);
872 int nErr = WSAGetLastError();
873 if (nErr != WSAEWOULDBLOCK && nErr != WSAEMSGSIZE && nErr != WSAEINTR && nErr != WSAEINPROGRESS)
875 printf("socket send error %d\n", nErr);
876 pnode->CloseSocketDisconnect();
884 // Inactivity checking
886 if (pnode->vSend.empty())
887 pnode->nLastSendEmpty = GetTime();
888 if (GetTime() - pnode->nTimeConnected > 60)
890 if (pnode->nLastRecv == 0 || pnode->nLastSend == 0)
892 printf("socket no message in first 60 seconds, %d %d\n", pnode->nLastRecv != 0, pnode->nLastSend != 0);
893 pnode->fDisconnect = true;
895 else if (GetTime() - pnode->nLastSend > 90*60 && GetTime() - pnode->nLastSendEmpty > 90*60)
897 printf("socket not sending\n");
898 pnode->fDisconnect = true;
900 else if (GetTime() - pnode->nLastRecv > 90*60)
902 printf("socket inactivity timeout\n");
903 pnode->fDisconnect = true;
909 BOOST_FOREACH(CNode* pnode, vNodesCopy)
926 void ThreadMapPort(void* parg)
928 // Make this thread recognisable as the UPnP thread
929 RenameThread("novacoin-UPnP");
933 vnThreadsRunning[THREAD_UPNP]++;
934 ThreadMapPort2(parg);
935 vnThreadsRunning[THREAD_UPNP]--;
937 catch (std::exception& e) {
938 vnThreadsRunning[THREAD_UPNP]--;
939 PrintException(&e, "ThreadMapPort()");
941 vnThreadsRunning[THREAD_UPNP]--;
942 PrintException(NULL, "ThreadMapPort()");
944 printf("ThreadMapPort exited\n");
947 void ThreadMapPort2(void* parg)
949 printf("ThreadMapPort started\n");
951 std::string port = strprintf("%u", GetListenPort());
952 const char * multicastif = 0;
953 const char * minissdpdpath = 0;
954 struct UPNPDev * devlist = 0;
957 #ifndef UPNPDISCOVER_SUCCESS
959 devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0);
963 devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0, 0, &error);
966 struct UPNPUrls urls;
967 struct IGDdatas data;
970 r = UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr));
974 char externalIPAddress[40];
975 r = UPNP_GetExternalIPAddress(urls.controlURL, data.first.servicetype, externalIPAddress);
976 if(r != UPNPCOMMAND_SUCCESS)
977 printf("UPnP: GetExternalIPAddress() returned %d\n", r);
980 if(externalIPAddress[0])
982 printf("UPnP: ExternalIPAddress = %s\n", externalIPAddress);
983 AddLocal(CNetAddr(externalIPAddress), LOCAL_UPNP);
986 printf("UPnP: GetExternalIPAddress failed.\n");
990 string strDesc = "NovaCoin " + FormatFullVersion();
991 #ifndef UPNPDISCOVER_SUCCESS
993 r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
994 port.c_str(), port.c_str(), lanaddr, strDesc.c_str(), "TCP", 0);
997 r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
998 port.c_str(), port.c_str(), lanaddr, strDesc.c_str(), "TCP", 0, "0");
1001 if(r!=UPNPCOMMAND_SUCCESS)
1002 printf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n",
1003 port.c_str(), port.c_str(), lanaddr, r, strupnperror(r));
1005 printf("UPnP Port Mapping successful.\n");
1009 if (fShutdown || !fUseUPnP)
1011 r = UPNP_DeletePortMapping(urls.controlURL, data.first.servicetype, port.c_str(), "TCP", 0);
1012 printf("UPNP_DeletePortMapping() returned : %d\n", r);
1013 freeUPNPDevlist(devlist); devlist = 0;
1014 FreeUPNPUrls(&urls);
1017 if (i % 600 == 0) // Refresh every 20 minutes
1019 #ifndef UPNPDISCOVER_SUCCESS
1021 r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
1022 port.c_str(), port.c_str(), lanaddr, strDesc.c_str(), "TCP", 0);
1025 r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
1026 port.c_str(), port.c_str(), lanaddr, strDesc.c_str(), "TCP", 0, "0");
1029 if(r!=UPNPCOMMAND_SUCCESS)
1030 printf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n",
1031 port.c_str(), port.c_str(), lanaddr, r, strupnperror(r));
1033 printf("UPnP Port Mapping successful.\n");;
1039 printf("No valid UPnP IGDs found\n");
1040 freeUPNPDevlist(devlist); devlist = 0;
1042 FreeUPNPUrls(&urls);
1045 if (fShutdown || !fUseUPnP)
1054 if (fUseUPnP && vnThreadsRunning[THREAD_UPNP] < 1)
1056 if (!NewThread(ThreadMapPort, NULL))
1057 printf("Error: ThreadMapPort(ThreadMapPort) failed\n");
1063 // Intentionally left blank.
1076 // Each pair gives a source name and a seed name.
1077 // The first name is used as information source for addrman.
1078 // The second name should resolve to a list of seed addresses.
1079 static const char *strDNSSeed[][2] = {
1080 {"novacoin.karelia.pro", "dnsseed.novacoin.karelia.pro"},
1081 {"novacoin.su", "dnsseed.novacoin.su"},
1082 {"novacoin.ru", "dnsseed.novacoin.ru"},
1083 {"novaco.in", "dnsseed.novaco.in"},
1086 void ThreadDNSAddressSeed(void* parg)
1088 // Make this thread recognisable as the DNS seeding thread
1089 RenameThread("novacoin-dnsseed");
1093 vnThreadsRunning[THREAD_DNSSEED]++;
1094 ThreadDNSAddressSeed2(parg);
1095 vnThreadsRunning[THREAD_DNSSEED]--;
1097 catch (std::exception& e) {
1098 vnThreadsRunning[THREAD_DNSSEED]--;
1099 PrintException(&e, "ThreadDNSAddressSeed()");
1101 vnThreadsRunning[THREAD_DNSSEED]--;
1102 throw; // support pthread_cancel()
1104 printf("ThreadDNSAddressSeed exited\n");
1107 void ThreadDNSAddressSeed2(void* parg)
1109 printf("ThreadDNSAddressSeed started\n");
1114 printf("Loading addresses from DNS seeds (could take a while)\n");
1116 for (unsigned int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) {
1117 if (HaveNameProxy()) {
1118 AddOneShot(strDNSSeed[seed_idx][1]);
1120 vector<CNetAddr> vaddr;
1121 vector<CAddress> vAdd;
1122 if (LookupHost(strDNSSeed[seed_idx][1], vaddr))
1124 BOOST_FOREACH(CNetAddr& ip, vaddr)
1126 int nOneDay = 24*3600;
1127 CAddress addr = CAddress(CService(ip, GetDefaultPort()));
1128 addr.nTime = GetTime() - 3*nOneDay - GetRand(4*nOneDay); // use a random age between 3 and 7 days old
1129 vAdd.push_back(addr);
1133 addrman.Add(vAdd, CNetAddr(strDNSSeed[seed_idx][0], true));
1138 printf("%d addresses found from DNS seeds\n", found);
1152 unsigned int pnSeed[] =
1154 0x90EF78BC, 0x33F1C851, 0x36F1C851, 0xC6F5C851,
1157 void DumpAddresses()
1159 int64 nStart = GetTimeMillis();
1164 printf("Flushed %d addresses to peers.dat %"PRI64d"ms\n",
1165 addrman.size(), GetTimeMillis() - nStart);
1168 void ThreadDumpAddress2(void* parg)
1170 vnThreadsRunning[THREAD_DUMPADDRESS]++;
1174 vnThreadsRunning[THREAD_DUMPADDRESS]--;
1176 vnThreadsRunning[THREAD_DUMPADDRESS]++;
1178 vnThreadsRunning[THREAD_DUMPADDRESS]--;
1181 void ThreadDumpAddress(void* parg)
1183 // Make this thread recognisable as the address dumping thread
1184 RenameThread("novacoin-adrdump");
1188 ThreadDumpAddress2(parg);
1190 catch (std::exception& e) {
1191 PrintException(&e, "ThreadDumpAddress()");
1193 printf("ThreadDumpAddress exited\n");
1196 void ThreadOpenConnections(void* parg)
1198 // Make this thread recognisable as the connection opening thread
1199 RenameThread("novacoin-opencon");
1203 vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
1204 ThreadOpenConnections2(parg);
1205 vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
1207 catch (std::exception& e) {
1208 vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
1209 PrintException(&e, "ThreadOpenConnections()");
1211 vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
1212 PrintException(NULL, "ThreadOpenConnections()");
1214 printf("ThreadOpenConnections exited\n");
1217 void static ProcessOneShot()
1222 if (vOneShots.empty())
1224 strDest = vOneShots.front();
1225 vOneShots.pop_front();
1228 CSemaphoreGrant grant(*semOutbound, true);
1230 if (!OpenNetworkConnection(addr, &grant, strDest.c_str(), true))
1231 AddOneShot(strDest);
1235 // ppcoin: stake minter thread
1236 void static ThreadStakeMinter(void* parg)
1238 printf("ThreadStakeMinter started\n");
1239 CWallet* pwallet = (CWallet*)parg;
1242 vnThreadsRunning[THREAD_MINTER]++;
1243 StakeMiner(pwallet);
1244 vnThreadsRunning[THREAD_MINTER]--;
1246 catch (std::exception& e) {
1247 vnThreadsRunning[THREAD_MINTER]--;
1248 PrintException(&e, "ThreadStakeMinter()");
1250 vnThreadsRunning[THREAD_MINTER]--;
1251 PrintException(NULL, "ThreadStakeMinter()");
1253 printf("ThreadStakeMinter exiting, %d threads remaining\n", vnThreadsRunning[THREAD_MINTER]);
1256 void ThreadOpenConnections2(void* parg)
1258 printf("ThreadOpenConnections started\n");
1260 // Connect to specific addresses
1261 if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0)
1263 for (int64 nLoop = 0;; nLoop++)
1266 BOOST_FOREACH(string strAddr, mapMultiArgs["-connect"])
1269 OpenNetworkConnection(addr, NULL, strAddr.c_str());
1270 for (int i = 0; i < 10 && i < nLoop; i++)
1281 // Initiate network connections
1282 int64 nStart = GetTime();
1287 vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
1289 vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
1294 vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
1295 CSemaphoreGrant grant(*semOutbound);
1296 vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
1300 // Add seed nodes if IRC isn't working
1301 if (addrman.size()==0 && (GetTime() - nStart > 60) && !fTestNet)
1303 std::vector<CAddress> vAdd;
1304 for (unsigned int i = 0; i < ARRAYLEN(pnSeed); i++)
1306 // It'll only connect to one or two seed nodes because once it connects,
1307 // it'll get a pile of addresses with newer timestamps.
1308 // Seed nodes are given a random 'last seen time' of between one and two
1310 const int64 nOneWeek = 7*24*60*60;
1312 memcpy(&ip, &pnSeed[i], sizeof(ip));
1313 CAddress addr(CService(ip, GetDefaultPort()));
1314 addr.nTime = GetTime()-GetRand(nOneWeek)-nOneWeek;
1315 vAdd.push_back(addr);
1317 addrman.Add(vAdd, CNetAddr("127.0.0.1"));
1321 // Choose an address to connect to based on most recently seen
1323 CAddress addrConnect;
1325 // Only connect out to one peer per network group (/16 for IPv4).
1326 // Do this here so we don't have to critsect vNodes inside mapAddresses critsect.
1328 set<vector<unsigned char> > setConnected;
1331 BOOST_FOREACH(CNode* pnode, vNodes) {
1332 if (!pnode->fInbound) {
1333 setConnected.insert(pnode->addr.GetGroup());
1339 int64 nANow = GetAdjustedTime();
1344 // use an nUnkBias between 10 (no outgoing connections) and 90 (8 outgoing connections)
1345 CAddress addr = addrman.Select(10 + min(nOutbound,8)*10);
1347 // if we selected an invalid address, restart
1348 if (!addr.IsValid() || setConnected.count(addr.GetGroup()) || IsLocal(addr))
1351 // If we didn't find an appropriate destination after trying 100 addresses fetched from addrman,
1352 // stop this loop, and let the outer loop run again (which sleeps, adds seed nodes, recalculates
1353 // already-connected network ranges, ...) before trying new addrman addresses.
1358 if (IsLimited(addr))
1361 // only consider very recently tried nodes after 30 failed attempts
1362 if (nANow - addr.nLastTry < 600 && nTries < 30)
1365 // do not allow non-default ports, unless after 50 invalid addresses selected already
1366 if (addr.GetPort() != GetDefaultPort() && nTries < 50)
1373 if (addrConnect.IsValid())
1374 OpenNetworkConnection(addrConnect, &grant);
1378 void ThreadOpenAddedConnections(void* parg)
1380 // Make this thread recognisable as the connection opening thread
1381 RenameThread("novacoin-opencon");
1385 vnThreadsRunning[THREAD_ADDEDCONNECTIONS]++;
1386 ThreadOpenAddedConnections2(parg);
1387 vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
1389 catch (std::exception& e) {
1390 vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
1391 PrintException(&e, "ThreadOpenAddedConnections()");
1393 vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
1394 PrintException(NULL, "ThreadOpenAddedConnections()");
1396 printf("ThreadOpenAddedConnections exited\n");
1399 void ThreadOpenAddedConnections2(void* parg)
1401 printf("ThreadOpenAddedConnections started\n");
1403 if (mapArgs.count("-addnode") == 0)
1406 if (HaveNameProxy()) {
1408 BOOST_FOREACH(string& strAddNode, mapMultiArgs["-addnode"]) {
1410 CSemaphoreGrant grant(*semOutbound);
1411 OpenNetworkConnection(addr, &grant, strAddNode.c_str());
1414 vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
1415 Sleep(120000); // Retry every 2 minutes
1416 vnThreadsRunning[THREAD_ADDEDCONNECTIONS]++;
1421 vector<vector<CService> > vservAddressesToAdd(0);
1422 BOOST_FOREACH(string& strAddNode, mapMultiArgs["-addnode"])
1424 vector<CService> vservNode(0);
1425 if(Lookup(strAddNode.c_str(), vservNode, GetDefaultPort(), fNameLookup, 0))
1427 vservAddressesToAdd.push_back(vservNode);
1429 LOCK(cs_setservAddNodeAddresses);
1430 BOOST_FOREACH(CService& serv, vservNode)
1431 setservAddNodeAddresses.insert(serv);
1437 vector<vector<CService> > vservConnectAddresses = vservAddressesToAdd;
1438 // Attempt to connect to each IP for each addnode entry until at least one is successful per addnode entry
1439 // (keeping in mind that addnode entries can have many IPs if fNameLookup)
1442 BOOST_FOREACH(CNode* pnode, vNodes)
1443 for (vector<vector<CService> >::iterator it = vservConnectAddresses.begin(); it != vservConnectAddresses.end(); it++)
1444 BOOST_FOREACH(CService& addrNode, *(it))
1445 if (pnode->addr == addrNode)
1447 it = vservConnectAddresses.erase(it);
1452 BOOST_FOREACH(vector<CService>& vserv, vservConnectAddresses)
1454 CSemaphoreGrant grant(*semOutbound);
1455 OpenNetworkConnection(CAddress(*(vserv.begin())), &grant);
1462 vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
1463 Sleep(120000); // Retry every 2 minutes
1464 vnThreadsRunning[THREAD_ADDEDCONNECTIONS]++;
1470 // if successful, this moves the passed grant to the constructed node
1471 bool OpenNetworkConnection(const CAddress& addrConnect, CSemaphoreGrant *grantOutbound, const char *strDest, bool fOneShot)
1474 // Initiate outbound network connection
1479 if (IsLocal(addrConnect) ||
1480 FindNode((CNetAddr)addrConnect) || CNode::IsBanned(addrConnect) ||
1481 FindNode(addrConnect.ToStringIPPort().c_str()))
1483 if (strDest && FindNode(strDest))
1486 vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
1487 CNode* pnode = ConnectNode(addrConnect, strDest);
1488 vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
1494 grantOutbound->MoveTo(pnode->grantOutbound);
1495 pnode->fNetworkNode = true;
1497 pnode->fOneShot = true;
1502 // for now, use a very simple selection metric: the node from which we received
1504 double static NodeSyncScore(const CNode *pnode) {
1505 return -pnode->nLastRecv;
1508 void static StartSync(const vector<CNode*> &vNodes) {
1509 CNode *pnodeNewSync = NULL;
1510 double dBestScore = 0;
1512 // Iterate over all nodes
1513 BOOST_FOREACH(CNode* pnode, vNodes) {
1514 // check preconditions for allowing a sync
1515 if (!pnode->fClient && !pnode->fOneShot &&
1516 !pnode->fDisconnect && pnode->fSuccessfullyConnected &&
1517 (pnode->nStartingHeight > (nBestHeight - 144)) &&
1518 (pnode->nVersion < NOBLKS_VERSION_START || pnode->nVersion >= NOBLKS_VERSION_END)) {
1519 // if ok, compare node's score with the best so far
1520 double dScore = NodeSyncScore(pnode);
1521 if (pnodeNewSync == NULL || dScore > dBestScore) {
1522 pnodeNewSync = pnode;
1523 dBestScore = dScore;
1527 // if a new sync candidate was found, start sync!
1529 pnodeNewSync->fStartSync = true;
1530 pnodeSync = pnodeNewSync;
1534 void ThreadMessageHandler(void* parg)
1536 // Make this thread recognisable as the message handling thread
1537 RenameThread("novacoin-msghand");
1541 vnThreadsRunning[THREAD_MESSAGEHANDLER]++;
1542 ThreadMessageHandler2(parg);
1543 vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
1545 catch (std::exception& e) {
1546 vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
1547 PrintException(&e, "ThreadMessageHandler()");
1549 vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
1550 PrintException(NULL, "ThreadMessageHandler()");
1552 printf("ThreadMessageHandler exited\n");
1555 void ThreadMessageHandler2(void* parg)
1557 printf("ThreadMessageHandler started\n");
1558 SetThreadPriority(THREAD_PRIORITY_BELOW_NORMAL);
1561 bool fHaveSyncNode = false;
1562 vector<CNode*> vNodesCopy;
1565 vNodesCopy = vNodes;
1566 BOOST_FOREACH(CNode* pnode, vNodesCopy) {
1568 if (pnode == pnodeSync)
1569 fHaveSyncNode = true;
1574 StartSync(vNodesCopy);
1576 // Poll the connected nodes for messages
1577 CNode* pnodeTrickle = NULL;
1578 if (!vNodesCopy.empty())
1579 pnodeTrickle = vNodesCopy[GetRand(vNodesCopy.size())];
1580 BOOST_FOREACH(CNode* pnode, vNodesCopy)
1584 TRY_LOCK(pnode->cs_vRecv, lockRecv);
1586 ProcessMessages(pnode);
1593 TRY_LOCK(pnode->cs_vSend, lockSend);
1595 SendMessages(pnode, pnode == pnodeTrickle);
1603 BOOST_FOREACH(CNode* pnode, vNodesCopy)
1607 // Wait and allow messages to bunch up.
1608 // Reduce vnThreadsRunning so StopNode has permission to exit while
1609 // we're sleeping, but we must always check fShutdown after doing this.
1610 vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
1612 if (fRequestShutdown)
1614 vnThreadsRunning[THREAD_MESSAGEHANDLER]++;
1625 bool BindListenPort(const CService &addrBind, string& strError)
1631 // Initialize Windows Sockets
1633 int ret = WSAStartup(MAKEWORD(2,2), &wsadata);
1634 if (ret != NO_ERROR)
1636 strError = strprintf("Error: TCP/IP socket library failed to start (WSAStartup returned error %d)", ret);
1637 printf("%s\n", strError.c_str());
1642 // Create socket for listening for incoming connections
1644 struct sockaddr_storage sockaddr;
1646 struct sockaddr sockaddr;
1648 socklen_t len = sizeof(sockaddr);
1649 if (!addrBind.GetSockAddr((struct sockaddr*)&sockaddr, &len))
1651 strError = strprintf("Error: bind address family for %s not supported", addrBind.ToString().c_str());
1652 printf("%s\n", strError.c_str());
1656 SOCKET hListenSocket = socket(((struct sockaddr*)&sockaddr)->sa_family, SOCK_STREAM, IPPROTO_TCP);
1657 if (hListenSocket == INVALID_SOCKET)
1659 strError = strprintf("Error: Couldn't open socket for incoming connections (socket returned error %d)", WSAGetLastError());
1660 printf("%s\n", strError.c_str());
1665 // Different way of disabling SIGPIPE on BSD
1666 setsockopt(hListenSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&nOne, sizeof(int));
1670 // Allow binding if the port is still in TIME_WAIT state after
1671 // the program was closed and restarted. Not an issue on windows.
1672 setsockopt(hListenSocket, SOL_SOCKET, SO_REUSEADDR, (void*)&nOne, sizeof(int));
1677 // Set to non-blocking, incoming connections will also inherit this
1678 if (ioctlsocket(hListenSocket, FIONBIO, (u_long*)&nOne) == SOCKET_ERROR)
1680 if (fcntl(hListenSocket, F_SETFL, O_NONBLOCK) == SOCKET_ERROR)
1683 strError = strprintf("Error: Couldn't set properties on socket for incoming connections (error %d)", WSAGetLastError());
1684 printf("%s\n", strError.c_str());
1689 // some systems don't have IPV6_V6ONLY but are always v6only; others do have the option
1690 // and enable it by default or not. Try to enable it, if possible.
1691 if (addrBind.IsIPv6()) {
1694 setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (const char*)&nOne, sizeof(int));
1696 setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&nOne, sizeof(int));
1700 int nProtLevel = 10 /* PROTECTION_LEVEL_UNRESTRICTED */;
1701 int nParameterId = 23 /* IPV6_PROTECTION_LEVEl */;
1702 // this call is allowed to fail
1703 setsockopt(hListenSocket, IPPROTO_IPV6, nParameterId, (const char*)&nProtLevel, sizeof(int));
1708 if (::bind(hListenSocket, (struct sockaddr*)&sockaddr, len) == SOCKET_ERROR)
1710 int nErr = WSAGetLastError();
1711 if (nErr == WSAEADDRINUSE)
1712 strError = strprintf(_("Unable to bind to %s on this computer. NovaCoin is probably already running."), addrBind.ToString().c_str());
1714 strError = strprintf(_("Unable to bind to %s on this computer (bind returned error %d, %s)"), addrBind.ToString().c_str(), nErr, strerror(nErr));
1715 printf("%s\n", strError.c_str());
1718 printf("Bound to %s\n", addrBind.ToString().c_str());
1720 // Listen for incoming connections
1721 if (listen(hListenSocket, SOMAXCONN) == SOCKET_ERROR)
1723 strError = strprintf("Error: Listening for incoming connections failed (listen returned error %d)", WSAGetLastError());
1724 printf("%s\n", strError.c_str());
1728 vhListenSocket.push_back(hListenSocket);
1730 if (addrBind.IsRoutable() && fDiscover)
1731 AddLocal(addrBind, LOCAL_BIND);
1736 void static Discover()
1742 // Get local host IP
1743 char pszHostName[1000] = "";
1744 if (gethostname(pszHostName, sizeof(pszHostName)) != SOCKET_ERROR)
1746 vector<CNetAddr> vaddr;
1747 if (LookupHost(pszHostName, vaddr))
1749 BOOST_FOREACH (const CNetAddr &addr, vaddr)
1751 AddLocal(addr, LOCAL_IF);
1756 // Get local host ip
1757 struct ifaddrs* myaddrs;
1758 if (getifaddrs(&myaddrs) == 0)
1760 for (struct ifaddrs* ifa = myaddrs; ifa != NULL; ifa = ifa->ifa_next)
1762 if (ifa->ifa_addr == NULL) continue;
1763 if ((ifa->ifa_flags & IFF_UP) == 0) continue;
1764 if (strcmp(ifa->ifa_name, "lo") == 0) continue;
1765 if (strcmp(ifa->ifa_name, "lo0") == 0) continue;
1766 if (ifa->ifa_addr->sa_family == AF_INET)
1768 struct sockaddr_in* s4 = (struct sockaddr_in*)(ifa->ifa_addr);
1769 CNetAddr addr(s4->sin_addr);
1770 if (AddLocal(addr, LOCAL_IF))
1771 printf("IPv4 %s: %s\n", ifa->ifa_name, addr.ToString().c_str());
1774 else if (ifa->ifa_addr->sa_family == AF_INET6)
1776 struct sockaddr_in6* s6 = (struct sockaddr_in6*)(ifa->ifa_addr);
1777 CNetAddr addr(s6->sin6_addr);
1778 if (AddLocal(addr, LOCAL_IF))
1779 printf("IPv6 %s: %s\n", ifa->ifa_name, addr.ToString().c_str());
1783 freeifaddrs(myaddrs);
1787 // Don't use external IPv4 discovery, when -onlynet="IPv6"
1788 if (!IsLimited(NET_IPV4))
1789 NewThread(ThreadGetMyExternalIP, NULL);
1792 void StartNode(void* parg)
1794 // Make this thread recognisable as the startup thread
1795 RenameThread("novacoin-start");
1797 if (semOutbound == NULL) {
1798 // initialize semaphore
1799 int nMaxOutbound = min(MAX_OUTBOUND_CONNECTIONS, (int)GetArg("-maxconnections", 125));
1800 semOutbound = new CSemaphore(nMaxOutbound);
1803 if (pnodeLocalHost == NULL)
1804 pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress(CService("127.0.0.1", 0), nLocalServices));
1812 if (!GetBoolArg("-dnsseed", true))
1813 printf("DNS seeding disabled\n");
1815 if (!NewThread(ThreadDNSAddressSeed, NULL))
1816 printf("Error: NewThread(ThreadDNSAddressSeed) failed\n");
1818 // Map ports with UPnP
1822 // Get addresses from IRC and advertise ours
1823 if (!NewThread(ThreadIRCSeed, NULL))
1824 printf("Error: NewThread(ThreadIRCSeed) failed\n");
1826 // Send and receive from sockets, accept connections
1827 if (!NewThread(ThreadSocketHandler, NULL))
1828 printf("Error: NewThread(ThreadSocketHandler) failed\n");
1830 // Initiate outbound connections from -addnode
1831 if (!NewThread(ThreadOpenAddedConnections, NULL))
1832 printf("Error: NewThread(ThreadOpenAddedConnections) failed\n");
1834 // Initiate outbound connections
1835 if (!NewThread(ThreadOpenConnections, NULL))
1836 printf("Error: NewThread(ThreadOpenConnections) failed\n");
1839 if (!NewThread(ThreadMessageHandler, NULL))
1840 printf("Error: NewThread(ThreadMessageHandler) failed\n");
1842 // Dump network addresses
1843 if (!NewThread(ThreadDumpAddress, NULL))
1844 printf("Error; NewThread(ThreadDumpAddress) failed\n");
1846 // ppcoin: mint proof-of-stake blocks in the background
1847 if (!NewThread(ThreadStakeMinter, pwalletMain))
1848 printf("Error: NewThread(ThreadStakeMinter) failed\n");
1853 printf("StopNode()\n");
1855 nTransactionsUpdated++;
1856 int64 nStart = GetTime();
1859 ThreadScriptCheckQuit();
1862 for (int i=0; i<MAX_OUTBOUND_CONNECTIONS; i++)
1863 semOutbound->post();
1866 int nThreadsRunning = 0;
1867 for (int n = 0; n < THREAD_MAX; n++)
1868 nThreadsRunning += vnThreadsRunning[n];
1869 if (nThreadsRunning == 0)
1871 if (GetTime() - nStart > 20)
1875 if (vnThreadsRunning[THREAD_SOCKETHANDLER] > 0) printf("ThreadSocketHandler still running\n");
1876 if (vnThreadsRunning[THREAD_OPENCONNECTIONS] > 0) printf("ThreadOpenConnections still running\n");
1877 if (vnThreadsRunning[THREAD_MESSAGEHANDLER] > 0) printf("ThreadMessageHandler still running\n");
1878 if (vnThreadsRunning[THREAD_RPCLISTENER] > 0) printf("ThreadRPCListener still running\n");
1879 if (vnThreadsRunning[THREAD_RPCHANDLER] > 0) printf("ThreadsRPCServer still running\n");
1881 if (vnThreadsRunning[THREAD_UPNP] > 0) printf("ThreadMapPort still running\n");
1883 if (vnThreadsRunning[THREAD_DNSSEED] > 0) printf("ThreadDNSAddressSeed still running\n");
1884 if (vnThreadsRunning[THREAD_ADDEDCONNECTIONS] > 0) printf("ThreadOpenAddedConnections still running\n");
1885 if (vnThreadsRunning[THREAD_DUMPADDRESS] > 0) printf("ThreadDumpAddresses still running\n");
1886 if (vnThreadsRunning[THREAD_MINTER] > 0) printf("ThreadStakeMinter still running\n");
1887 if (vnThreadsRunning[THREAD_SCRIPTCHECK] > 0) printf("ThreadScriptCheck still running\n");
1888 while (vnThreadsRunning[THREAD_MESSAGEHANDLER] > 0 || vnThreadsRunning[THREAD_RPCHANDLER] > 0 || vnThreadsRunning[THREAD_SCRIPTCHECK] > 0)
1904 BOOST_FOREACH(CNode* pnode, vNodes)
1905 if (pnode->hSocket != INVALID_SOCKET)
1906 closesocket(pnode->hSocket);
1907 BOOST_FOREACH(SOCKET hListenSocket, vhListenSocket)
1908 if (hListenSocket != INVALID_SOCKET)
1909 if (closesocket(hListenSocket) == SOCKET_ERROR)
1910 printf("closesocket(hListenSocket) failed with error %d\n", WSAGetLastError());
1913 // Shutdown Windows Sockets
1918 instance_of_cnetcleanup;
1920 void RelayTransaction(const CTransaction& tx, const uint256& hash)
1922 CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
1925 RelayTransaction(tx, hash, ss);
1928 void RelayTransaction(const CTransaction& tx, const uint256& hash, const CDataStream& ss)
1930 CInv inv(MSG_TX, hash);
1933 // Expire old relay messages
1934 while (!vRelayExpiration.empty() && vRelayExpiration.front().first < GetTime())
1936 mapRelay.erase(vRelayExpiration.front().second);
1937 vRelayExpiration.pop_front();
1940 // Save original serialized message so newer versions are preserved
1941 mapRelay.insert(std::make_pair(inv, ss));
1942 vRelayExpiration.push_back(std::make_pair(GetTime() + 15 * 60, inv));
1945 RelayInventory(inv);
1948 void CNode::RecordBytesRecv(uint64_t bytes)
1950 LOCK(cs_totalBytesRecv);
1951 nTotalBytesRecv += bytes;
1954 void CNode::RecordBytesSent(uint64_t bytes)
1956 LOCK(cs_totalBytesSent);
1957 nTotalBytesSent += bytes;
1960 uint64_t CNode::GetTotalBytesRecv()
1962 LOCK(cs_totalBytesRecv);
1963 return nTotalBytesRecv;
1966 uint64_t CNode::GetTotalBytesSent()
1968 LOCK(cs_totalBytesSent);
1969 return nTotalBytesSent;