// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
-// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
-#include "headers.h"
#include "irc.h"
#include "db.h"
#include "net.h"
#include "init.h"
-#include "strlcpy.h"
+#include "addrman.h"
+#include "ui_interface.h"
+#include "miner.h"
+#include "ntp.h"
#ifdef WIN32
#include <string.h>
#endif
-#ifdef USE_UPNP
-#include <miniupnpc/miniwget.h>
-#include <miniupnpc/miniupnpc.h>
-#include <miniupnpc/upnpcommands.h>
-#include <miniupnpc/upnperrors.h>
-#endif
-
using namespace std;
using namespace boost;
-static const int MAX_OUTBOUND_CONNECTIONS = 8;
+static const int MAX_OUTBOUND_CONNECTIONS = 16;
void ThreadMessageHandler2(void* parg);
void ThreadSocketHandler2(void* parg);
void ThreadOpenConnections2(void* parg);
-#ifdef USE_UPNP
-void ThreadMapPort2(void* parg);
-#endif
+void ThreadOpenAddedConnections2(void* parg);
void ThreadDNSAddressSeed2(void* parg);
-bool OpenNetworkConnection(const CAddress& addrConnect);
-
-
+// Fix for ancient MinGW versions, that don't have defined these in ws2tcpip.h.
+// Todo: Can be removed when our pull-tester is upgraded to a modern MinGW version.
+#ifdef WIN32
+#ifndef PROTECTION_LEVEL_UNRESTRICTED
+#define PROTECTION_LEVEL_UNRESTRICTED 10
+#endif
+#ifndef IPV6_PROTECTION_LEVEL
+#define IPV6_PROTECTION_LEVEL 23
+#endif
+#endif
+struct LocalServiceInfo {
+ int nScore;
+ uint16_t nPort;
+};
//
// Global state variables
//
bool fClient = false;
-bool fAllowDNS = false;
-uint64 nLocalServices = (fClient ? 0 : NODE_NETWORK);
-CAddress addrLocalHost("0.0.0.0", 0, false, nLocalServices);
+bool fDiscover = true;
+uint64_t nLocalServices = (fClient ? 0 : NODE_NETWORK);
+static CCriticalSection cs_mapLocalHost;
+static map<CNetAddr, LocalServiceInfo> mapLocalHost;
+static bool vfReachable[NET_MAX] = {};
+static bool vfLimited[NET_MAX] = {};
static CNode* pnodeLocalHost = NULL;
-uint64 nLocalHostNonce = 0;
-array<int, 10> vnThreadsRunning;
-static SOCKET hListenSocket = INVALID_SOCKET;
+static CNode* pnodeSync = NULL;
+CAddress addrSeenByPeer(CService("0.0.0.0", nPortZero), nLocalServices);
+uint64_t nLocalHostNonce = 0;
+boost::array<int, THREAD_MAX> vnThreadsRunning;
+static std::vector<SOCKET> vhListenSocket;
+CAddrMan addrman;
vector<CNode*> vNodes;
CCriticalSection cs_vNodes;
-map<vector<unsigned char>, CAddress> mapAddresses;
-CCriticalSection cs_mapAddresses;
map<CInv, CDataStream> mapRelay;
-deque<pair<int64, CInv> > vRelayExpiration;
+deque<pair<int64_t, CInv> > vRelayExpiration;
CCriticalSection cs_mapRelay;
-map<CInv, int64> mapAlreadyAskedFor;
+map<CInv, int64_t> mapAlreadyAskedFor;
-// Settings
-int fUseProxy = false;
-int nConnectTimeout = 5000;
-CAddress addrProxy("127.0.0.1",9050);
+static deque<string> vOneShots;
+CCriticalSection cs_vOneShots;
+set<CNetAddr> setservAddNodeAddresses;
+CCriticalSection cs_setservAddNodeAddresses;
+vector<std::string> vAddedNodes;
+CCriticalSection cs_vAddedNodes;
+static CSemaphore *semOutbound = NULL;
+
+void AddOneShot(string strDest)
+{
+ LOCK(cs_vOneShots);
+ vOneShots.push_back(strDest);
+}
unsigned short GetListenPort()
{
PushMessage("getblocks", CBlockLocator(pindexBegin), hashEnd);
}
-
-
-
-
-bool ConnectSocket(const CAddress& addrConnect, SOCKET& hSocketRet, int nTimeout)
+// find 'best' local address for a particular peer
+bool GetLocal(CService& addr, const CNetAddr *paddrPeer)
{
- hSocketRet = INVALID_SOCKET;
-
- SOCKET hSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
- if (hSocket == INVALID_SOCKET)
- return false;
-#ifdef SO_NOSIGPIPE
- int set = 1;
- setsockopt(hSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&set, sizeof(int));
-#endif
-
- bool fProxy = (fUseProxy && addrConnect.IsRoutable());
- struct sockaddr_in sockaddr = (fProxy ? addrProxy.GetSockAddr() : addrConnect.GetSockAddr());
-
-#ifdef WIN32
- u_long fNonblock = 1;
- if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR)
-#else
- int fFlags = fcntl(hSocket, F_GETFL, 0);
- if (fcntl(hSocket, F_SETFL, fFlags | O_NONBLOCK) == -1)
-#endif
- {
- closesocket(hSocket);
+ if (fNoListen)
return false;
- }
-
- if (connect(hSocket, (struct sockaddr*)&sockaddr, sizeof(sockaddr)) == SOCKET_ERROR)
+ int nBestScore = -1;
+ int nBestReachability = -1;
{
- // WSAEINVAL is here because some legacy version of winsock uses it
- if (WSAGetLastError() == WSAEINPROGRESS || WSAGetLastError() == WSAEWOULDBLOCK || WSAGetLastError() == WSAEINVAL)
+ LOCK(cs_mapLocalHost);
+ for (map<CNetAddr, LocalServiceInfo>::iterator it = mapLocalHost.begin(); it != mapLocalHost.end(); it++)
{
- struct timeval timeout;
- timeout.tv_sec = nTimeout / 1000;
- timeout.tv_usec = (nTimeout % 1000) * 1000;
-
- fd_set fdset;
- FD_ZERO(&fdset);
- FD_SET(hSocket, &fdset);
- int nRet = select(hSocket + 1, NULL, &fdset, NULL, &timeout);
- if (nRet == 0)
+ int nScore = (*it).second.nScore;
+ int nReachability = (*it).first.GetReachabilityFrom(paddrPeer);
+ if (nReachability > nBestReachability || (nReachability == nBestReachability && nScore > nBestScore))
{
- printf("connection timeout\n");
- closesocket(hSocket);
- return false;
- }
- if (nRet == SOCKET_ERROR)
- {
- printf("select() for connection failed: %i\n",WSAGetLastError());
- closesocket(hSocket);
- return false;
- }
- socklen_t nRetSize = sizeof(nRet);
-#ifdef WIN32
- if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, (char*)(&nRet), &nRetSize) == SOCKET_ERROR)
-#else
- if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, &nRet, &nRetSize) == SOCKET_ERROR)
-#endif
- {
- printf("getsockopt() for connection failed: %i\n",WSAGetLastError());
- closesocket(hSocket);
- return false;
- }
- if (nRet != 0)
- {
- printf("connect() failed after select(): %s\n",strerror(nRet));
- closesocket(hSocket);
- return false;
+ addr = CService((*it).first, (*it).second.nPort);
+ nBestReachability = nReachability;
+ nBestScore = nScore;
}
}
-#ifdef WIN32
- else if (WSAGetLastError() != WSAEISCONN)
-#else
- else
-#endif
- {
- printf("connect() failed: %i\n",WSAGetLastError());
- closesocket(hSocket);
- return false;
- }
}
-
- /*
- this isn't even strictly necessary
- CNode::ConnectNode immediately turns the socket back to non-blocking
- but we'll turn it back to blocking just in case
- */
-#ifdef WIN32
- fNonblock = 0;
- if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR)
-#else
- fFlags = fcntl(hSocket, F_GETFL, 0);
- if (fcntl(hSocket, F_SETFL, fFlags & !O_NONBLOCK) == SOCKET_ERROR)
-#endif
- {
- closesocket(hSocket);
- return false;
- }
-
- if (fProxy)
- {
- printf("proxy connecting %s\n", addrConnect.ToString().c_str());
- char pszSocks4IP[] = "\4\1\0\0\0\0\0\0user";
- memcpy(pszSocks4IP + 2, &addrConnect.port, 2);
- memcpy(pszSocks4IP + 4, &addrConnect.ip, 4);
- char* pszSocks4 = pszSocks4IP;
- int nSize = sizeof(pszSocks4IP);
-
- int ret = send(hSocket, pszSocks4, nSize, MSG_NOSIGNAL);
- if (ret != nSize)
- {
- closesocket(hSocket);
- return error("Error sending to proxy");
- }
- char pchRet[8];
- if (recv(hSocket, pchRet, 8, 0) != 8)
- {
- closesocket(hSocket);
- return error("Error reading proxy response");
- }
- if (pchRet[1] != 0x5a)
- {
- closesocket(hSocket);
- if (pchRet[1] != 0x5b)
- printf("ERROR: Proxy returned error %d\n", pchRet[1]);
- return false;
- }
- printf("proxy connected %s\n", addrConnect.ToString().c_str());
- }
-
- hSocketRet = hSocket;
- return true;
+ return nBestScore >= 0;
}
-// portDefault is in host order
-bool Lookup(const char *pszName, vector<CAddress>& vaddr, int nServices, int nMaxSolutions, bool fAllowLookup, int portDefault, bool fAllowPort)
+// get best local address for a particular peer as a CAddress
+CAddress GetLocalAddress(const CNetAddr *paddrPeer)
{
- vaddr.clear();
- if (pszName[0] == 0)
- return false;
- int port = portDefault;
- char psz[256];
- char *pszHost = psz;
- strlcpy(psz, pszName, sizeof(psz));
- if (fAllowPort)
+ CAddress ret(CService("0.0.0.0", nPortZero), 0);
+ CService addr;
+ if (GetLocal(addr, paddrPeer))
{
- char* pszColon = strrchr(psz+1,':');
- char *pszPortEnd = NULL;
- int portParsed = pszColon ? strtoul(pszColon+1, &pszPortEnd, 10) : 0;
- if (pszColon && pszPortEnd && pszPortEnd[0] == 0)
- {
- if (psz[0] == '[' && pszColon[-1] == ']')
- {
- // Future: enable IPv6 colon-notation inside []
- pszHost = psz+1;
- pszColon[-1] = 0;
- }
- else
- pszColon[0] = 0;
- port = portParsed;
- if (port < 0 || port > USHRT_MAX)
- port = USHRT_MAX;
- }
+ ret = CAddress(addr);
+ ret.nServices = nLocalServices;
+ ret.nTime = GetAdjustedTime();
}
-
- unsigned int addrIP = inet_addr(pszHost);
- if (addrIP != INADDR_NONE)
- {
- // valid IP address passed
- vaddr.push_back(CAddress(addrIP, port, nServices));
- return true;
- }
-
- if (!fAllowLookup)
- return false;
-
- struct hostent* phostent = gethostbyname(pszHost);
- if (!phostent)
- return false;
-
- if (phostent->h_addrtype != AF_INET)
- return false;
-
- char** ppAddr = phostent->h_addr_list;
- while (*ppAddr != NULL && vaddr.size() != nMaxSolutions)
- {
- CAddress addr(((struct in_addr*)ppAddr[0])->s_addr, port, nServices);
- if (addr.IsValid())
- vaddr.push_back(addr);
- ppAddr++;
- }
-
- return (vaddr.size() > 0);
+ return ret;
}
-// portDefault is in host order
-bool Lookup(const char *pszName, CAddress& addr, int nServices, bool fAllowLookup, int portDefault, bool fAllowPort)
+bool RecvLine(SOCKET hSocket, string& strLine)
{
- vector<CAddress> vaddr;
- bool fRet = Lookup(pszName, vaddr, nServices, 1, fAllowLookup, portDefault, fAllowPort);
- if (fRet)
- addr = vaddr[0];
- return fRet;
-}
-
-bool GetMyExternalIP2(const CAddress& addrConnect, const char* pszGet, const char* pszKeyword, unsigned int& ipRet)
-{
- SOCKET hSocket;
- if (!ConnectSocket(addrConnect, hSocket))
- return error("GetMyExternalIP() : connection to %s failed", addrConnect.ToString().c_str());
-
- send(hSocket, pszGet, strlen(pszGet), MSG_NOSIGNAL);
-
- string strLine;
- while (RecvLine(hSocket, strLine))
+ strLine.clear();
+ for ( ; ; )
{
- if (strLine.empty()) // HTTP response is separated from headers by blank line
+ char c;
+ int nBytes = recv(hSocket, &c, 1, 0);
+ if (nBytes > 0)
{
- loop
+ if (c == '\n')
+ continue;
+ if (c == '\r')
+ return true;
+ strLine += c;
+ if (strLine.size() >= 9000)
+ return true;
+ }
+ else if (nBytes <= 0)
+ {
+ if (fShutdown)
+ return false;
+ if (nBytes < 0)
{
- if (!RecvLine(hSocket, strLine))
- {
- closesocket(hSocket);
- return false;
- }
- if (pszKeyword == NULL)
- break;
- if (strLine.find(pszKeyword) != -1)
+ int nErr = WSAGetLastError();
+ if (nErr == WSAEMSGSIZE)
+ continue;
+ if (nErr == WSAEWOULDBLOCK || nErr == WSAEINTR || nErr == WSAEINPROGRESS)
{
- strLine = strLine.substr(strLine.find(pszKeyword) + strlen(pszKeyword));
- break;
+ Sleep(10);
+ continue;
}
}
- closesocket(hSocket);
- if (strLine.find("<") != -1)
- strLine = strLine.substr(0, strLine.find("<"));
- strLine = strLine.substr(strspn(strLine.c_str(), " \t\n\r"));
- while (strLine.size() > 0 && isspace(strLine[strLine.size()-1]))
- strLine.resize(strLine.size()-1);
- CAddress addr(strLine,0,true);
- printf("GetMyExternalIP() received [%s] %s\n", strLine.c_str(), addr.ToString().c_str());
- if (addr.ip == 0 || addr.ip == INADDR_NONE || !addr.IsRoutable())
+ if (!strLine.empty())
+ return true;
+ if (nBytes == 0)
+ {
+ // socket closed
+ printf("socket closed\n");
return false;
- ipRet = addr.ip;
- return true;
+ }
+ else
+ {
+ // socket error
+ int nErr = WSAGetLastError();
+ printf("recv failed: %d\n", nErr);
+ return false;
+ }
}
}
- closesocket(hSocket);
- return error("GetMyExternalIP() : connection closed");
}
-// We now get our external IP from the IRC server first and only use this as a backup
-bool GetMyExternalIP(unsigned int& ipRet)
+// used when scores of local addresses may have changed
+// pushes better local address to peers
+void static AdvertizeLocal()
{
- CAddress addrConnect;
- const char* pszGet;
- const char* pszKeyword;
-
- if (fUseProxy)
- return false;
-
- for (int nLookup = 0; nLookup <= 1; nLookup++)
- for (int nHost = 1; nHost <= 2; nHost++)
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes)
{
- // We should be phasing out our use of sites like these. If we need
- // replacements, we should ask for volunteers to put this simple
- // php file on their webserver that prints the client IP:
- // <?php echo $_SERVER["REMOTE_ADDR"]; ?>
- if (nHost == 1)
+ if (pnode->fSuccessfullyConnected)
{
- addrConnect = CAddress("91.198.22.70",80); // checkip.dyndns.org
-
- if (nLookup == 1)
+ CAddress addrLocal = GetLocalAddress(&pnode->addr);
+ if (addrLocal.IsRoutable() && (CService)addrLocal != pnode->addrLocal)
{
- CAddress addrIP("checkip.dyndns.org", 80, true);
- if (addrIP.IsValid())
- addrConnect = addrIP;
+ pnode->PushAddress(addrLocal);
+ pnode->addrLocal = addrLocal;
}
-
- pszGet = "GET / HTTP/1.1\r\n"
- "Host: checkip.dyndns.org\r\n"
- "User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)\r\n"
- "Connection: close\r\n"
- "\r\n";
-
- pszKeyword = "Address:";
}
- else if (nHost == 2)
- {
- addrConnect = CAddress("74.208.43.192", 80); // www.showmyip.com
-
- if (nLookup == 1)
- {
- CAddress addrIP("www.showmyip.com", 80, true);
- if (addrIP.IsValid())
- addrConnect = addrIP;
- }
+ }
+}
- pszGet = "GET /simple/ HTTP/1.1\r\n"
- "Host: www.showmyip.com\r\n"
- "User-Agent: Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1)\r\n"
- "Connection: close\r\n"
- "\r\n";
+void SetReachable(enum Network net, bool fFlag)
+{
+ LOCK(cs_mapLocalHost);
+ vfReachable[net] = fFlag;
+ if (net == NET_IPV6 && fFlag)
+ vfReachable[NET_IPV4] = true;
+}
- pszKeyword = NULL; // Returns just IP address
- }
+int GetnScore(const CService& addr)
+{
+ LOCK(cs_mapLocalHost);
+ if (mapLocalHost.count(addr) == LOCAL_NONE)
+ return 0;
+ return mapLocalHost[addr].nScore;
+}
- if (GetMyExternalIP2(addrConnect, pszGet, pszKeyword, ipRet))
- return true;
- }
- return false;
+// Is our peer's addrLocal potentially useful as an external IP source?
+bool IsPeerAddrLocalGood(CNode *pnode)
+{
+ return fDiscover && pnode->addr.IsRoutable() && pnode->addrLocal.IsRoutable() &&
+ !IsLimited(pnode->addrLocal.GetNetwork());
}
-void ThreadGetMyExternalIP(void* parg)
+// pushes our own address to a peer
+void AdvertiseLocal(CNode *pnode)
{
- // Wait for IRC to get it first
- if (!GetBoolArg("-noirc"))
+ if (!fNoListen && pnode->fSuccessfullyConnected)
{
- for (int i = 0; i < 2 * 60; i++)
+ CAddress addrLocal = GetLocalAddress(&pnode->addr);
+ // If discovery is enabled, sometimes give our peer the address it
+ // tells us that it sees us as in case it has a better idea of our
+ // address than we do.
+ if (IsPeerAddrLocalGood(pnode) && (!addrLocal.IsRoutable() ||
+ GetRand((GetnScore(addrLocal) > LOCAL_MANUAL) ? 8:2) == 0))
{
- Sleep(1000);
- if (fGotExternalIP || fShutdown)
- return;
+ addrLocal.SetIP(pnode->addrLocal);
}
- }
-
- // Fallback in case IRC fails to get it
- if (GetMyExternalIP(addrLocalHost.ip))
- {
- printf("GetMyExternalIP() returned %s\n", addrLocalHost.ToStringIP().c_str());
- if (addrLocalHost.IsRoutable())
+ if (addrLocal.IsRoutable())
{
- // If we already connected to a few before we had our IP, go back and addr them.
- // setAddrKnown automatically filters any duplicate sends.
- CAddress addr(addrLocalHost);
- addr.nTime = GetAdjustedTime();
- CRITICAL_BLOCK(cs_vNodes)
- BOOST_FOREACH(CNode* pnode, vNodes)
- pnode->PushAddress(addr);
+ printf("AdvertiseLocal: advertising address %s\n", addrLocal.ToString().c_str());
+ pnode->PushAddress(addrLocal);
}
}
}
-
-
-
-
-bool AddAddress(CAddress addr, int64 nTimePenalty, CAddrDB *pAddrDB)
+// learn a new local address
+bool AddLocal(const CService& addr, int nScore)
{
if (!addr.IsRoutable())
return false;
- if (addr.ip == addrLocalHost.ip)
- return false;
- addr.nTime = max((int64)0, (int64)addr.nTime - nTimePenalty);
- bool fUpdated = false;
- bool fNew = false;
- CAddress addrFound = addr;
- CRITICAL_BLOCK(cs_mapAddresses)
- {
- map<vector<unsigned char>, CAddress>::iterator it = mapAddresses.find(addr.GetKey());
- if (it == mapAddresses.end())
- {
- // New address
- printf("AddAddress(%s)\n", addr.ToString().c_str());
- mapAddresses.insert(make_pair(addr.GetKey(), addr));
- fUpdated = true;
- fNew = true;
- }
- else
- {
- addrFound = (*it).second;
- if ((addrFound.nServices | addr.nServices) != addrFound.nServices)
- {
- // Services have been added
- addrFound.nServices |= addr.nServices;
- fUpdated = true;
- }
- bool fCurrentlyOnline = (GetAdjustedTime() - addr.nTime < 24 * 60 * 60);
- int64 nUpdateInterval = (fCurrentlyOnline ? 60 * 60 : 24 * 60 * 60);
- if (addrFound.nTime < addr.nTime - nUpdateInterval)
- {
- // Periodically update most recently seen time
- addrFound.nTime = addr.nTime;
- fUpdated = true;
- }
- }
- }
- // There is a nasty deadlock bug if this is done inside the cs_mapAddresses
- // CRITICAL_BLOCK:
- // Thread 1: begin db transaction (locks inside-db-mutex)
- // then AddAddress (locks cs_mapAddresses)
- // Thread 2: AddAddress (locks cs_mapAddresses)
- // ... then db operation hangs waiting for inside-db-mutex
- if (fUpdated)
- {
- if (pAddrDB)
- pAddrDB->WriteAddress(addrFound);
- else
- CAddrDB().WriteAddress(addrFound);
- }
- return fNew;
-}
+ if (!fDiscover && nScore < LOCAL_MANUAL)
+ return false;
-void AddressCurrentlyConnected(const CAddress& addr)
-{
- CAddress *paddrFound = NULL;
+ if (IsLimited(addr))
+ return false;
- CRITICAL_BLOCK(cs_mapAddresses)
- {
- // Only if it's been published already
- map<vector<unsigned char>, CAddress>::iterator it = mapAddresses.find(addr.GetKey());
- if (it != mapAddresses.end())
- paddrFound = &(*it).second;
- }
+ printf("AddLocal(%s,%i)\n", addr.ToString().c_str(), nScore);
- if (paddrFound)
{
- int64 nUpdateInterval = 20 * 60;
- if (paddrFound->nTime < GetAdjustedTime() - nUpdateInterval)
- {
- // Periodically update most recently seen time
- paddrFound->nTime = GetAdjustedTime();
- CAddrDB addrdb;
- addrdb.WriteAddress(*paddrFound);
+ LOCK(cs_mapLocalHost);
+ bool fAlready = mapLocalHost.count(addr) > 0;
+ LocalServiceInfo &info = mapLocalHost[addr];
+ if (!fAlready || nScore >= info.nScore) {
+ info.nScore = nScore + (fAlready ? 1 : 0);
+ info.nPort = addr.GetPort();
}
+ SetReachable(addr.GetNetwork());
}
-}
-
-
+ AdvertizeLocal();
+ return true;
+}
-void AbandonRequests(void (*fn)(void*, CDataStream&), void* param1)
+bool AddLocal(const CNetAddr &addr, int nScore)
{
- // If the dialog might get closed before the reply comes back,
- // call this in the destructor so it doesn't get called after it's deleted.
- CRITICAL_BLOCK(cs_vNodes)
- {
- BOOST_FOREACH(CNode* pnode, vNodes)
- {
- CRITICAL_BLOCK(pnode->cs_mapRequests)
- {
- for (map<uint256, CRequestTracker>::iterator mi = pnode->mapRequests.begin(); mi != pnode->mapRequests.end();)
- {
- CRequestTracker& tracker = (*mi).second;
- if (tracker.fn == fn && tracker.param1 == param1)
- pnode->mapRequests.erase(mi++);
- else
- mi++;
- }
- }
- }
- }
+ return AddLocal(CService(addr, GetListenPort()), nScore);
}
+/** Make a particular network entirely off-limits (no automatic connects to it) */
+void SetLimited(enum Network net, bool fLimited)
+{
+ if (net == NET_UNROUTABLE)
+ return;
+ LOCK(cs_mapLocalHost);
+ vfLimited[net] = fLimited;
+}
+bool IsLimited(enum Network net)
+{
+ LOCK(cs_mapLocalHost);
+ return vfLimited[net];
+}
+bool IsLimited(const CNetAddr &addr)
+{
+ return IsLimited(addr.GetNetwork());
+}
+/** vote for a local address */
+bool SeenLocal(const CService& addr)
+{
+ {
+ LOCK(cs_mapLocalHost);
+ if (mapLocalHost.count(addr) == 0)
+ return false;
+ mapLocalHost[addr].nScore++;
+ }
+ AdvertizeLocal();
+ return true;
+}
-//
-// Subscription methods for the broadcast and subscription system.
-// Channel numbers are message numbers, i.e. MSG_TABLE and MSG_PRODUCT.
-//
-// The subscription system uses a meet-in-the-middle strategy.
-// With 100,000 nodes, if senders broadcast to 1000 random nodes and receivers
-// subscribe to 1000 random nodes, 99.995% (1 - 0.99^1000) of messages will get through.
-//
-
-bool AnySubscribed(unsigned int nChannel)
+/** check whether a given address is potentially local */
+bool IsLocal(const CService& addr)
{
- if (pnodeLocalHost->IsSubscribed(nChannel))
- return true;
- CRITICAL_BLOCK(cs_vNodes)
- BOOST_FOREACH(CNode* pnode, vNodes)
- if (pnode->IsSubscribed(nChannel))
- return true;
- return false;
+ LOCK(cs_mapLocalHost);
+ return mapLocalHost.count(addr) > 0;
}
-bool CNode::IsSubscribed(unsigned int nChannel)
+/** check whether a given address is in a network we can probably connect to */
+bool IsReachable(const CNetAddr& addr)
{
- if (nChannel >= vfSubscribe.size())
- return false;
- return vfSubscribe[nChannel];
+ LOCK(cs_mapLocalHost);
+ enum Network net = addr.GetNetwork();
+ return vfReachable[net] && !vfLimited[net];
}
-void CNode::Subscribe(unsigned int nChannel, unsigned int nHops)
-{
- if (nChannel >= vfSubscribe.size())
- return;
+extern int GetExternalIPbySTUN(uint64_t rnd, struct sockaddr_in *mapped, const char **srv);
- if (!AnySubscribed(nChannel))
- {
- // Relay subscribe
- CRITICAL_BLOCK(cs_vNodes)
- BOOST_FOREACH(CNode* pnode, vNodes)
- if (pnode != this)
- pnode->PushMessage("subscribe", nChannel, nHops);
+// We now get our external IP from the IRC server first and only use this as a backup
+bool GetMyExternalIP(CNetAddr& ipRet)
+{
+ struct sockaddr_in mapped;
+ uint64_t rnd = std::numeric_limits<uint64_t>::max();
+ const char *srv;
+ int rc = GetExternalIPbySTUN(rnd, &mapped, &srv);
+ if(rc >= 0) {
+ ipRet = CNetAddr(mapped.sin_addr);
+ printf("GetExternalIPbySTUN(%" PRIu64 ") returned %s in attempt %d; Server=%s\n", rnd, ipRet.ToStringIP().c_str(), rc, srv);
+ return true;
}
-
- vfSubscribe[nChannel] = true;
+ return false;
}
-void CNode::CancelSubscribe(unsigned int nChannel)
+void ThreadGetMyExternalIP(void* parg)
{
- if (nChannel >= vfSubscribe.size())
- return;
-
- // Prevent from relaying cancel if wasn't subscribed
- if (!vfSubscribe[nChannel])
- return;
- vfSubscribe[nChannel] = false;
+ // Make this thread recognisable as the external IP detection thread
+ RenameThread("novacoin-ext-ip");
- if (!AnySubscribed(nChannel))
+ CNetAddr addrLocalHost;
+ if (GetMyExternalIP(addrLocalHost))
{
- // Relay subscription cancel
- CRITICAL_BLOCK(cs_vNodes)
- BOOST_FOREACH(CNode* pnode, vNodes)
- if (pnode != this)
- pnode->PushMessage("sub-cancel", nChannel);
+ printf("GetMyExternalIP() returned %s\n", addrLocalHost.ToStringIP().c_str());
+ AddLocal(addrLocalHost, LOCAL_HTTP);
}
}
+void AddressCurrentlyConnected(const CService& addr)
+{
+ addrman.Connected(addr);
+}
-CNode* FindNode(unsigned int ip)
+uint64_t CNode::nTotalBytesRecv = 0;
+uint64_t CNode::nTotalBytesSent = 0;
+CCriticalSection CNode::cs_totalBytesRecv;
+CCriticalSection CNode::cs_totalBytesSent;
+
+CNode* FindNode(const CNetAddr& ip)
{
- CRITICAL_BLOCK(cs_vNodes)
- {
- BOOST_FOREACH(CNode* pnode, vNodes)
- if (pnode->addr.ip == ip)
- return (pnode);
- }
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes)
+ if ((CNetAddr)pnode->addr == ip)
+ return (pnode);
return NULL;
}
-CNode* FindNode(CAddress addr)
+CNode* FindNode(std::string addrName)
{
- CRITICAL_BLOCK(cs_vNodes)
- {
- BOOST_FOREACH(CNode* pnode, vNodes)
- if (pnode->addr == addr)
- return (pnode);
- }
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes)
+ if (pnode->addrName == addrName)
+ return (pnode);
return NULL;
}
-CNode* ConnectNode(CAddress addrConnect, int64 nTimeout)
+CNode* FindNode(const CService& addr)
{
- if (addrConnect.ip == addrLocalHost.ip)
- return NULL;
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes)
+ if ((CService)pnode->addr == addr)
+ return (pnode);
+ return NULL;
+}
- // Look for an existing connection
- CNode* pnode = FindNode(addrConnect.ip);
- if (pnode)
- {
- if (nTimeout != 0)
- pnode->AddRef(nTimeout);
- else
- pnode->AddRef();
- return pnode;
+CNode* ConnectNode(CAddress addrConnect, const char *pszDest, int64_t nTimeout)
+{
+ if (pszDest == NULL) {
+ if (IsLocal(addrConnect))
+ return NULL;
+
+ // Look for an existing connection
+ CNode* pnode = FindNode((CService)addrConnect);
+ if (pnode)
+ {
+ if (nTimeout != 0)
+ pnode->AddRef(nTimeout);
+ else
+ pnode->AddRef();
+ return pnode;
+ }
}
- /// debug print
- printf("trying connection %s lastseen=%.1fhrs lasttry=%.1fhrs\n",
- addrConnect.ToString().c_str(),
- (double)(addrConnect.nTime - GetAdjustedTime())/3600.0,
- (double)(addrConnect.nLastTry - GetAdjustedTime())/3600.0);
- CRITICAL_BLOCK(cs_mapAddresses)
- mapAddresses[addrConnect.GetKey()].nLastTry = GetAdjustedTime();
+ /// debug print
+ printf("trying connection %s lastseen=%.1fhrs\n",
+ pszDest ? pszDest : addrConnect.ToString().c_str(),
+ pszDest ? 0 : (double)(GetAdjustedTime() - addrConnect.nTime)/3600.0);
// Connect
SOCKET hSocket;
- if (ConnectSocket(addrConnect, hSocket))
+ if (pszDest ? ConnectSocketByName(addrConnect, hSocket, pszDest, GetDefaultPort()) : ConnectSocket(addrConnect, hSocket))
{
+ addrman.Attempt(addrConnect);
+
/// debug print
- printf("connected %s\n", addrConnect.ToString().c_str());
+ printf("connected %s\n", pszDest ? pszDest : addrConnect.ToString().c_str());
- // Set to nonblocking
+ // Set to non-blocking
#ifdef WIN32
u_long nOne = 1;
if (ioctlsocket(hSocket, FIONBIO, &nOne) == SOCKET_ERROR)
- printf("ConnectSocket() : ioctlsocket nonblocking setting failed, error %d\n", WSAGetLastError());
+ printf("ConnectSocket() : ioctlsocket non-blocking setting failed, error %d\n", WSAGetLastError());
#else
if (fcntl(hSocket, F_SETFL, O_NONBLOCK) == SOCKET_ERROR)
- printf("ConnectSocket() : fcntl nonblocking setting failed, error %d\n", errno);
+ printf("ConnectSocket() : fcntl non-blocking setting failed, error %d\n", errno);
#endif
// Add node
- CNode* pnode = new CNode(hSocket, addrConnect, false);
+ CNode* pnode = new CNode(hSocket, addrConnect, pszDest ? pszDest : "", false);
if (nTimeout != 0)
pnode->AddRef(nTimeout);
else
pnode->AddRef();
- CRITICAL_BLOCK(cs_vNodes)
+
+ {
+ LOCK(cs_vNodes);
vNodes.push_back(pnode);
+ }
pnode->nTimeConnected = GetTime();
return pnode;
fDisconnect = true;
if (hSocket != INVALID_SOCKET)
{
- if (fDebug)
- printf("%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
- printf("disconnecting node %s\n", addr.ToString().c_str());
- closesocket(hSocket);
- hSocket = INVALID_SOCKET;
+ printf("disconnecting node %s\n", addrName.c_str());
+ CloseSocket(hSocket);
+ vRecv.clear();
}
+
+ // in case this fails, we'll empty the recv buffer when the CNode is deleted
+ TRY_LOCK(cs_vRecv, lockRecv);
+ if (lockRecv)
+ vRecv.clear();
+
+ // if this was the sync node, we'll need a new one
+ if (this == pnodeSync)
+ pnodeSync = NULL;
}
void CNode::Cleanup()
{
- // All of a nodes broadcasts and subscriptions are automatically torn down
- // when it goes down, so a node has to stay up to keep its broadcast going.
+}
+
+
+void CNode::PushVersion()
+{
+ int64_t nTime = GetAdjustedTime();
+ CAddress addrYou, addrMe;
+
+ bool fHidden = false;
+ if (addr.IsTor()) {
+ if (mapArgs.count("-torname")) {
+ // Our hidden service address
+ CService addrTorName(mapArgs["-torname"], GetListenPort());
+
+ if (addrTorName.IsValid()) {
+ addrYou = addr;
+ addrMe = CAddress(addrTorName);
+ fHidden = true;
+ }
+ }
+ }
- // Cancel subscriptions
- for (unsigned int nChannel = 0; nChannel < vfSubscribe.size(); nChannel++)
- if (vfSubscribe[nChannel])
- CancelSubscribe(nChannel);
+ if (!fHidden) {
+ addrYou = (addr.IsRoutable() && !IsProxy(addr) ? addr : CAddress(CService("0.0.0.0", nPortZero)));
+ addrMe = GetLocalAddress(&addr);
+ }
+
+ RAND_bytes((unsigned char*)&nLocalHostNonce, sizeof(nLocalHostNonce));
+ 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());
+ PushMessage("version", PROTOCOL_VERSION, nLocalServices, nTime, addrYou, addrMe,
+ nLocalHostNonce, FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, std::vector<string>()), nBestHeight);
}
-std::map<unsigned int, int64> CNode::setBanned;
+
+
+
+std::map<CNetAddr, int64_t> CNode::setBanned;
CCriticalSection CNode::cs_setBanned;
void CNode::ClearBanned()
setBanned.clear();
}
-bool CNode::IsBanned(unsigned int ip)
+bool CNode::IsBanned(CNetAddr ip)
{
bool fResult = false;
- CRITICAL_BLOCK(cs_setBanned)
{
- std::map<unsigned int, int64>::iterator i = setBanned.find(ip);
+ LOCK(cs_setBanned);
+ std::map<CNetAddr, int64_t>::iterator i = setBanned.find(ip);
if (i != setBanned.end())
{
- int64 t = (*i).second;
+ int64_t t = (*i).second;
if (GetTime() < t)
fResult = true;
}
{
if (addr.IsLocal())
{
- printf("Warning: local node %s misbehaving\n", addr.ToString().c_str());
+ printf("Warning: Local node %s misbehaving (delta: %d)!\n", addrName.c_str(), howmuch);
return false;
}
nMisbehavior += howmuch;
- if (nMisbehavior >= GetArg("-banscore", 100))
+ if (nMisbehavior >= GetArgInt("-banscore", 100))
{
- int64 banTime = GetTime()+GetArg("-bantime", 60*60*24); // Default 24-hour ban
- CRITICAL_BLOCK(cs_setBanned)
- if (setBanned[addr.ip] < banTime)
- setBanned[addr.ip] = banTime;
+ int64_t banTime = GetTime()+GetArg("-bantime", nOneDay); // Default 24-hour ban
+ printf("Misbehaving: %s (%d -> %d) DISCONNECTING\n", addr.ToString().c_str(), nMisbehavior-howmuch, nMisbehavior);
+ {
+ LOCK(cs_setBanned);
+ if (setBanned[addr] < banTime)
+ setBanned[addr] = banTime;
+ }
CloseSocketDisconnect();
- printf("Disconnected %s for misbehavior (score=%d)\n", addr.ToString().c_str(), nMisbehavior);
return true;
- }
+ } else
+ printf("Misbehaving: %s (%d -> %d)\n", addr.ToString().c_str(), nMisbehavior-howmuch, nMisbehavior);
return false;
}
+#undef X
+#define X(name) stats.name = name
+void CNode::copyStats(CNodeStats &stats)
+{
+ X(nServices);
+ X(nLastSend);
+ X(nLastRecv);
+ X(nTimeConnected);
+ X(addrName);
+ X(nVersion);
+ X(strSubVer);
+ X(fInbound);
+ X(nReleaseTime);
+ X(nStartingHeight);
+ X(nMisbehavior);
+ X(nSendBytes);
+ X(nRecvBytes);
+ stats.fSyncNode = (this == pnodeSync);
+}
+#undef X
-
-
-
-
-
+void Release(CNode* node) {
+ node->Release();
+}
void ThreadSocketHandler(void* parg)
{
- IMPLEMENT_RANDOMIZE_STACK(ThreadSocketHandler(parg));
+ // Make this thread recognisable as the networking thread
+ RenameThread("novacoin-net");
+
try
{
- vnThreadsRunning[0]++;
+ vnThreadsRunning[THREAD_SOCKETHANDLER]++;
ThreadSocketHandler2(parg);
- vnThreadsRunning[0]--;
+ vnThreadsRunning[THREAD_SOCKETHANDLER]--;
}
catch (std::exception& e) {
- vnThreadsRunning[0]--;
+ vnThreadsRunning[THREAD_SOCKETHANDLER]--;
PrintException(&e, "ThreadSocketHandler()");
} catch (...) {
- vnThreadsRunning[0]--;
+ vnThreadsRunning[THREAD_SOCKETHANDLER]--;
throw; // support pthread_cancel()
}
- printf("ThreadSocketHandler exiting\n");
+ printf("ThreadSocketHandler exited\n");
}
+static list<CNode*> vNodesDisconnected;
+
void ThreadSocketHandler2(void* parg)
{
printf("ThreadSocketHandler started\n");
- list<CNode*> vNodesDisconnected;
- int nPrevNodeCount = 0;
-
- loop
+ size_t nPrevNodeCount = 0;
+ for ( ; ; )
{
//
// Disconnect nodes
//
- CRITICAL_BLOCK(cs_vNodes)
{
+ LOCK(cs_vNodes);
// Disconnect unused nodes
vector<CNode*> vNodesCopy = vNodes;
BOOST_FOREACH(CNode* pnode, vNodesCopy)
// remove from vNodes
vNodes.erase(remove(vNodes.begin(), vNodes.end(), pnode), vNodes.end());
+ // release outbound grant (if any)
+ pnode->grantOutbound.Release();
+
// close socket and cleanup
pnode->CloseSocketDisconnect();
pnode->Cleanup();
if (pnode->GetRefCount() <= 0)
{
bool fDelete = false;
- TRY_CRITICAL_BLOCK(pnode->cs_vSend)
- TRY_CRITICAL_BLOCK(pnode->cs_vRecv)
- TRY_CRITICAL_BLOCK(pnode->cs_mapRequests)
- TRY_CRITICAL_BLOCK(pnode->cs_inventory)
- fDelete = true;
+ {
+ TRY_LOCK(pnode->cs_vSend, lockSend);
+ if (lockSend)
+ {
+ TRY_LOCK(pnode->cs_vRecv, lockRecv);
+ if (lockRecv)
+ {
+ TRY_LOCK(pnode->cs_mapRequests, lockReq);
+ if (lockReq)
+ {
+ TRY_LOCK(pnode->cs_inventory, lockInv);
+ if (lockInv)
+ fDelete = true;
+ }
+ }
+ }
+ }
if (fDelete)
{
vNodesDisconnected.remove(pnode);
if (vNodes.size() != nPrevNodeCount)
{
nPrevNodeCount = vNodes.size();
- MainFrameRepaint();
+ uiInterface.NotifyNumConnectionsChanged(vNodes.size());
}
FD_ZERO(&fdsetSend);
FD_ZERO(&fdsetError);
SOCKET hSocketMax = 0;
+ bool have_fds = false;
- if(hListenSocket != INVALID_SOCKET)
+ BOOST_FOREACH(SOCKET hListenSocket, vhListenSocket) {
FD_SET(hListenSocket, &fdsetRecv);
- hSocketMax = max(hSocketMax, hListenSocket);
- CRITICAL_BLOCK(cs_vNodes)
+ hSocketMax = max(hSocketMax, hListenSocket);
+ have_fds = true;
+ }
{
+ LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
{
if (pnode->hSocket == INVALID_SOCKET)
FD_SET(pnode->hSocket, &fdsetRecv);
FD_SET(pnode->hSocket, &fdsetError);
hSocketMax = max(hSocketMax, pnode->hSocket);
- TRY_CRITICAL_BLOCK(pnode->cs_vSend)
- if (!pnode->vSend.empty())
+ have_fds = true;
+ {
+ TRY_LOCK(pnode->cs_vSend, lockSend);
+ if (lockSend && !pnode->vSend.empty())
FD_SET(pnode->hSocket, &fdsetSend);
+ }
}
}
- vnThreadsRunning[0]--;
- int nSelect = select(hSocketMax + 1, &fdsetRecv, &fdsetSend, &fdsetError, &timeout);
- vnThreadsRunning[0]++;
+ vnThreadsRunning[THREAD_SOCKETHANDLER]--;
+ int nSelect = select(have_fds ? hSocketMax + 1 : 0,
+ &fdsetRecv, &fdsetSend, &fdsetError, &timeout);
+ vnThreadsRunning[THREAD_SOCKETHANDLER]++;
if (fShutdown)
return;
if (nSelect == SOCKET_ERROR)
{
- int nErr = WSAGetLastError();
- if (hSocketMax > -1)
+ if (have_fds)
{
+ int nErr = WSAGetLastError();
printf("socket select error %d\n", nErr);
- for (int i = 0; i <= hSocketMax; i++)
+ for (unsigned int i = 0; i <= hSocketMax; i++)
FD_SET(i, &fdsetRecv);
}
FD_ZERO(&fdsetSend);
//
// Accept new connections
//
+ BOOST_FOREACH(SOCKET hListenSocket, vhListenSocket)
if (hListenSocket != INVALID_SOCKET && FD_ISSET(hListenSocket, &fdsetRecv))
{
- struct sockaddr_in sockaddr;
+#ifdef USE_IPV6
+ struct sockaddr_storage sockaddr;
+#else
+ struct sockaddr sockaddr;
+#endif
socklen_t len = sizeof(sockaddr);
SOCKET hSocket = accept(hListenSocket, (struct sockaddr*)&sockaddr, &len);
- CAddress addr(sockaddr);
+ CAddress addr;
int nInbound = 0;
- CRITICAL_BLOCK(cs_vNodes)
+ if (hSocket != INVALID_SOCKET)
+ if (!addr.SetSockAddr((const struct sockaddr*)&sockaddr))
+ printf("Warning: Unknown socket family\n");
+
+ {
+ LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
- if (pnode->fInbound)
- nInbound++;
+ if (pnode->fInbound)
+ nInbound++;
+ }
+
if (hSocket == INVALID_SOCKET)
{
- if (WSAGetLastError() != WSAEWOULDBLOCK)
- printf("socket error accept failed: %d\n", WSAGetLastError());
+ int nErr = WSAGetLastError();
+ if (nErr != WSAEWOULDBLOCK)
+ printf("socket error accept failed: %d\n", nErr);
}
- else if (nInbound >= GetArg("-maxconnections", 125) - MAX_OUTBOUND_CONNECTIONS)
+ else if (nInbound >= GetArgInt("-maxconnections", 125) - MAX_OUTBOUND_CONNECTIONS)
{
- closesocket(hSocket);
+ {
+ LOCK(cs_setservAddNodeAddresses);
+ if (!setservAddNodeAddresses.count(addr))
+ CloseSocket(hSocket);
+ }
}
- else if (CNode::IsBanned(addr.ip))
+ else if (CNode::IsBanned(addr))
{
- printf("connetion from %s dropped (banned)\n", addr.ToString().c_str());
- closesocket(hSocket);
+ printf("connection from %s dropped (banned)\n", addr.ToString().c_str());
+ CloseSocket(hSocket);
}
else
{
printf("accepted connection %s\n", addr.ToString().c_str());
- CNode* pnode = new CNode(hSocket, addr, true);
+ CNode* pnode = new CNode(hSocket, addr, "", true);
pnode->AddRef();
- CRITICAL_BLOCK(cs_vNodes)
+ {
+ LOCK(cs_vNodes);
vNodes.push_back(pnode);
+ }
}
}
// Service each socket
//
vector<CNode*> vNodesCopy;
- CRITICAL_BLOCK(cs_vNodes)
{
+ LOCK(cs_vNodes);
vNodesCopy = vNodes;
BOOST_FOREACH(CNode* pnode, vNodesCopy)
pnode->AddRef();
continue;
if (FD_ISSET(pnode->hSocket, &fdsetRecv) || FD_ISSET(pnode->hSocket, &fdsetError))
{
- TRY_CRITICAL_BLOCK(pnode->cs_vRecv)
+ TRY_LOCK(pnode->cs_vRecv, lockRecv);
+ if (lockRecv)
{
CDataStream& vRecv = pnode->vRecv;
- unsigned int nPos = vRecv.size();
+ uint64_t nPos = vRecv.size();
if (nPos > ReceiveBufferSize()) {
if (!pnode->fDisconnect)
- printf("socket recv flood control disconnect (%d bytes)\n", vRecv.size());
+ printf("socket recv flood control disconnect (%" PRIszu " bytes)\n", vRecv.size());
pnode->CloseSocketDisconnect();
}
else {
vRecv.resize(nPos + nBytes);
memcpy(&vRecv[nPos], pchBuf, nBytes);
pnode->nLastRecv = GetTime();
+ pnode->nRecvBytes += nBytes;
+ pnode->RecordBytesRecv(nBytes);
}
else if (nBytes == 0)
{
continue;
if (FD_ISSET(pnode->hSocket, &fdsetSend))
{
- TRY_CRITICAL_BLOCK(pnode->cs_vSend)
+ TRY_LOCK(pnode->cs_vSend, lockSend);
+ if (lockSend)
{
CDataStream& vSend = pnode->vSend;
if (!vSend.empty())
{
vSend.erase(vSend.begin(), vSend.begin() + nBytes);
pnode->nLastSend = GetTime();
+ pnode->nSendBytes += nBytes;
+ pnode->RecordBytesSent(nBytes);
}
else if (nBytes < 0)
{
pnode->CloseSocketDisconnect();
}
}
- if (vSend.size() > SendBufferSize()) {
- if (!pnode->fDisconnect)
- printf("socket send flood control disconnect (%d bytes)\n", vSend.size());
- pnode->CloseSocketDisconnect();
- }
}
}
}
}
}
}
- CRITICAL_BLOCK(cs_vNodes)
{
- BOOST_FOREACH(CNode* pnode, vNodesCopy)
- pnode->Release();
+ LOCK(cs_vNodes);
+ for_each(vNodesCopy.begin(), vNodesCopy.end(), Release);
}
Sleep(10);
}
}
-
-
-
-
-
-
-
-
-#ifdef USE_UPNP
-void ThreadMapPort(void* parg)
-{
- IMPLEMENT_RANDOMIZE_STACK(ThreadMapPort(parg));
- try
- {
- vnThreadsRunning[5]++;
- ThreadMapPort2(parg);
- vnThreadsRunning[5]--;
- }
- catch (std::exception& e) {
- vnThreadsRunning[5]--;
- PrintException(&e, "ThreadMapPort()");
- } catch (...) {
- vnThreadsRunning[5]--;
- PrintException(NULL, "ThreadMapPort()");
- }
- printf("ThreadMapPort exiting\n");
-}
-
-void ThreadMapPort2(void* parg)
-{
- printf("ThreadMapPort started\n");
-
- char port[6];
- sprintf(port, "%d", GetListenPort());
-
- const char * multicastif = 0;
- const char * minissdpdpath = 0;
- struct UPNPDev * devlist = 0;
- char lanaddr[64];
-
-#ifndef UPNPDISCOVER_SUCCESS
- /* miniupnpc 1.5 */
- devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0);
-#else
- /* miniupnpc 1.6 */
- int error = 0;
- devlist = upnpDiscover(2000, multicastif, minissdpdpath, 0, 0, &error);
-#endif
-
- struct UPNPUrls urls;
- struct IGDdatas data;
- int r;
-
- r = UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr));
- if (r == 1)
- {
- string strDesc = "Bitcoin " + FormatFullVersion();
-#ifndef UPNPDISCOVER_SUCCESS
- /* miniupnpc 1.5 */
- r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
- port, port, lanaddr, strDesc.c_str(), "TCP", 0);
-#else
- /* miniupnpc 1.6 */
- r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
- port, port, lanaddr, strDesc.c_str(), "TCP", 0, "0");
-#endif
-
- if(r!=UPNPCOMMAND_SUCCESS)
- printf("AddPortMapping(%s, %s, %s) failed with code %d (%s)\n",
- port, port, lanaddr, r, strupnperror(r));
- else
- printf("UPnP Port Mapping successful.\n");
- loop {
- if (fShutdown || !fUseUPnP)
- {
- r = UPNP_DeletePortMapping(urls.controlURL, data.first.servicetype, port, "TCP", 0);
- printf("UPNP_DeletePortMapping() returned : %d\n", r);
- freeUPNPDevlist(devlist); devlist = 0;
- FreeUPNPUrls(&urls);
- return;
- }
- Sleep(2000);
- }
- } else {
- printf("No valid UPnP IGDs found\n");
- freeUPNPDevlist(devlist); devlist = 0;
- if (r != 0)
- FreeUPNPUrls(&urls);
- loop {
- if (fShutdown || !fUseUPnP)
- return;
- Sleep(2000);
- }
- }
-}
-
-void MapPort(bool fMapPort)
-{
- if (fUseUPnP != fMapPort)
- {
- fUseUPnP = fMapPort;
- WriteSetting("fUseUPnP", fUseUPnP);
- }
- if (fUseUPnP && vnThreadsRunning[5] < 1)
- {
- if (!CreateThread(ThreadMapPort, NULL))
- printf("Error: ThreadMapPort(ThreadMapPort) failed\n");
- }
-}
-#else
-void MapPort(bool /* unused fMapPort */)
-{
- // Intentionally left blank.
-}
-#endif
-
-
-
-
-
-
-
-
-
-
-static const char *strDNSSeed[] = {
- "bitseed.xf2.org",
- "dnsseed.bluematt.me",
- "seed.bitcoin.sipa.be",
- "dnsseed.bitcoin.dashjr.org",
+// DNS seeds
+// Each pair gives a source name and a seed name.
+// The first name is used as information source for addrman.
+// The second name should resolve to a list of seed addresses.
+static const char *strDNSSeed[][2] = {
+ {"node.novacoin.karelia.pro", "dnsseed.novacoin.karelia.pro"},
+ {"novacoin.ru", "dnsseed.novacoin.ru"},
+ {"novacoin.ru", "testseed.novacoin.ru"},
+ {"novaco.in", "dnsseed.novaco.in"},
};
void ThreadDNSAddressSeed(void* parg)
{
- IMPLEMENT_RANDOMIZE_STACK(ThreadDNSAddressSeed(parg));
+ // Make this thread recognisable as the DNS seeding thread
+ RenameThread("novacoin-dnsseed");
+
try
{
- vnThreadsRunning[6]++;
+ vnThreadsRunning[THREAD_DNSSEED]++;
ThreadDNSAddressSeed2(parg);
- vnThreadsRunning[6]--;
+ vnThreadsRunning[THREAD_DNSSEED]--;
}
catch (std::exception& e) {
- vnThreadsRunning[6]--;
+ vnThreadsRunning[THREAD_DNSSEED]--;
PrintException(&e, "ThreadDNSAddressSeed()");
} catch (...) {
- vnThreadsRunning[6]--;
+ vnThreadsRunning[THREAD_DNSSEED]--;
throw; // support pthread_cancel()
}
- printf("ThreadDNSAddressSeed exiting\n");
+ printf("ThreadDNSAddressSeed exited\n");
}
void ThreadDNSAddressSeed2(void* parg)
{
printf("Loading addresses from DNS seeds (could take a while)\n");
- for (int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) {
- vector<CAddress> vaddr;
- if (Lookup(strDNSSeed[seed_idx], vaddr, NODE_NETWORK, -1, true))
- {
- CAddrDB addrDB;
- addrDB.TxnBegin();
- BOOST_FOREACH (CAddress& addr, vaddr)
+ for (unsigned int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) {
+ if (HaveNameProxy()) {
+ AddOneShot(strDNSSeed[seed_idx][1]);
+ } else {
+ vector<CNetAddr> vaddr;
+ vector<CAddress> vAdd;
+ if (LookupHost(strDNSSeed[seed_idx][1], vaddr))
{
- if (addr.GetByte(3) != 127)
+ BOOST_FOREACH(CNetAddr& ip, vaddr)
{
- addr.nTime = 0;
- AddAddress(addr, 0, &addrDB);
+ CAddress addr = CAddress(CService(ip, GetDefaultPort()));
+ addr.nTime = GetTime() - 3*nOneDay - GetRand(4*nOneDay); // use a random age between 3 and 7 days old
+ vAdd.push_back(addr);
found++;
}
}
- addrDB.TxnCommit(); // Save addresses (it's ok if this fails)
+ addrman.Add(vAdd, CNetAddr(strDNSSeed[seed_idx][0], true));
}
}
}
-unsigned int pnSeed[] =
+uint32_t pnSeed[] =
+{
+ 0x1c542868, 0x3859dd6f, 0x203c2e68, 0xf145a6bc, 0x638a545f, 0x325da346, 0x385da346, 0xfb2b8d5f,
+ 0x52568c5f, 0xa979e65b, 0x8de6485d, 0x9f79e65b, 0x048a861f, 0x3388b55f, 0x6ff0b45e, 0x17e81f5f,
+ 0x6c47bb25, 0x1ecdc852, 0x28263db9, 0x47824e5d, 0x36f1c851, 0x2bf913b2, 0x95923cb3, 0x84e63eb2,
+ 0xefdeedbf, 0x65200092, 0xf36f6805, 0x42692d05, 0x772c1955, 0xb6bf1b4e, 0x7abb5f5d, 0xdb2fa6bc,
+ 0x90e911bf, 0x82de565f, 0x694416b2, 0x0ab600bc, 0xfcecbe6d, 0x24ed9fb2, 0x1bb618c2, 0xc64765bb,
+ 0x4e3d62c3, 0xdba24baa, 0x4b7109b0, 0x12a12cc2, 0xfc01864f, 0x0b69e85b, 0x33922c1f, 0xac611bc6,
+ 0x2a257155, 0x991d5fc0, 0xbfdabcb1, 0x9b73ee55, 0x5bc2b95d, 0xdef0762e, 0x6ab7c936, 0x9c4416b2,
+ 0xd60d864f, 0x03671f1f, 0x3b5da346, 0xc6f5c851, 0x5411b2d4, 0xe7c25702, 0x63474fb0, 0x7e11c854,
+ 0x52381d5f, 0x72fdfe59, 0x51599a05, 0xfb12b2d4, 0xaee4f15e, 0xd0e3f15e, 0x2aa2805f, 0xa1caf15e,
+ 0x34fe425e, 0x46e1f15e, 0xd7c71955, 0xaeeff15e, 0x47c2af55, 0x563d89b2, 0x67980fd9, 0xc9def15e,
+ 0x9cc51eb9, 0xdaa7aa6b, 0x78e6871f, 0x0d5d2cb2, 0x7aedf15e, 0x9bcaf15e, 0xe5f7f15e, 0x501c1759,
+ 0xdfbc4980, 0xa7397f2e, 0x31ea1a02, 0x3a27655e, 0xaa86f05c, 0xdcddf15e, 0x64689cb2, 0xd4bf62d4,
+ 0xf093eab2, 0x98def15e, 0xb6c5f15e, 0x81e8f15e, 0xe5d2fe59, 0xa312786d, 0x4cf9fe59, 0x8a922c1f,
+ 0x00c7fe59, 0x1ade565f, 0x9e4116b2, 0x2c36983e, 0x68f8f15e, 0x51b7eab2, 0x76c51eb9, 0x9edd4980,
+ 0x90ef565f, 0x0dd80857, 0xd513fb94, 0xf5bdeab2, 0xa95277b0, 0x2cf2f15e, 0x1897eab2, 0x924416b2,
+ 0x985c9b59, 0x30aa43d8, 0xf9c6745f, 0xaf862e5f, 0xe0ceeab2, 0xb9b3eab2, 0x6da4eab2, 0xa4fdeab2,
+ 0x0fa6c125, 0xe38bbd05, 0x5d922c1f, 0x9bd0eab2, 0x73025e02, 0xc4fd794d, 0x8435b35f, 0x2d01bc2e,
+ 0xaa2a14d4, 0xa22b07cb, 0xebda6f4f, 0xddc6514e, 0xf23feab2, 0xea1e5256, 0x6147b45e, 0x47d21e4f,
+ 0x67c41c1f, 0x53ec1a02, 0x352e786d, 0x6bec1a02, 0x78fb4abe, 0xd3014c5d, 0x9fbbeab2, 0x1fc51eb9,
+ 0x720eeab2, 0x2db5eab2, 0xe8baf65c, 0x521b459e, 0x65c4955f, 0x0e7b915f, 0xa8f37e6d, 0x6d0b465f,
+ 0xfab8ff5c, 0xf7c27e6d, 0x7345a846, 0x4fd1a7d5, 0xdfc97e6d, 0x26c27e6d, 0xa9de36b2, 0xc615344d,
+ 0x28ceb95d, 0xa52d895e, 0x18c17e6d, 0x13ec1a02, 0x0ba37125, 0x6c3d344d, 0xb3922c1f, 0x506bbeb0,
+ 0x4d04994e, 0xa1bbe56d, 0xf62c344d, 0x0847d048, 0x4bdc6451, 0xc95b9a05, 0xbcd3a7d5, 0x29b57125,
+ 0x0c4d2cb2, 0xf2b8eab2, 0xc2d5b95d, 0x0185ef59, 0x30adeab2, 0xcaf0e92e, 0x756c344d, 0xfd9e252e,
+ 0xbe5ef3bc, 0x4689344d, 0xb223895e, 0xfcebeaad, 0xb7c0e92e, 0x993c1760, 0xe1e171b0, 0xb857e75b,
+ 0xbf10002e, 0xb55b2cb2, 0xa90e2cb2, 0x13d6f15e, 0xf8be9225, 0x14ddf15e, 0x06e90305, 0x82472cb2,
+};
+
+const char* pchTorSeed[] =
{
- 0x6884ac63, 0x3ffecead, 0x2919b953, 0x0942fe50, 0x7a1d922e, 0xcdd6734a, 0x953a5bb6, 0x2c46922e,
- 0xe2a5f143, 0xaa39103a, 0xa06afa5c, 0x135ffd59, 0xe8e82863, 0xf61ef029, 0xf75f042e, 0x2b363532,
- 0x29b2df42, 0x16b1f64e, 0xd46e281b, 0x5280bf58, 0x60372229, 0x1be58e4f, 0xa8496f45, 0x1fb1a057,
- 0x756b3844, 0x3bb79445, 0x0b375518, 0xcccb0102, 0xb682bf2e, 0x46431c02, 0x3a81073a, 0xa3771f1f,
- 0x213a121f, 0x85dc2c1b, 0x56b4323b, 0xb34e8945, 0x3c40b33d, 0xfa276418, 0x1f818d29, 0xebe1e344,
- 0xf6160a18, 0xf4fa384a, 0x34b09558, 0xb882b543, 0xe3ce2253, 0x6abf56d8, 0xe91b1155, 0x688ee6ad,
- 0x2efc6058, 0x4792cd47, 0x0c32f757, 0x4c813a46, 0x8c93644a, 0x37507444, 0x813ad218, 0xdac06d4a,
- 0xe4c63e4b, 0x21a1ea3c, 0x8d88556f, 0x30e9173a, 0x041f681b, 0xdc77ba50, 0xc0072753, 0xceddd44f,
- 0x052d1743, 0xe3c77a4a, 0x13981c3a, 0x5685d918, 0x3c0e4e70, 0x3e56fb54, 0xb676ae0c, 0xac93c859,
- 0x22279f43, 0x975a4542, 0xe527f071, 0xea162f2e, 0x3c65a32e, 0x5be5713b, 0x961ec418, 0xb202922e,
- 0x5ef7be50, 0xce49f53e, 0x05803b47, 0x8463b055, 0x78576153, 0x3ec2ae3a, 0x4bbd7118, 0xafcee043,
- 0x56a3e8ba, 0x6174de4d, 0x8d01ba4b, 0xc9af564e, 0xdbc9c547, 0xa627474d, 0xdada9244, 0xd3b3083a,
- 0x523e071f, 0xd6b96f18, 0xbd527c46, 0xdf2bbb4d, 0xd37b4a4b, 0x3a6a2158, 0xc064b055, 0x18a8e055,
- 0xec4dae3b, 0x0540416c, 0x475b4fbe, 0x064803b2, 0x48e9f062, 0x2898524b, 0xd315ff43, 0xf786d247,
- 0xc7ea2f3e, 0xc087f043, 0xc163354b, 0x8250284d, 0xed300029, 0xbf36e05c, 0x8eb3ae4c, 0xe7aa623e,
- 0x7ced0274, 0xdd362c1b, 0x362b995a, 0xca26b629, 0x3fc41618, 0xb97b364e, 0xa05b8729, 0x0f5e3c43,
- 0xdf942618, 0x6aeb9b5b, 0xbf04762e, 0xfaaeb118, 0x87579958, 0x76520044, 0xc2660c5b, 0x628b201b,
- 0xf193932e, 0x1c0ad045, 0xff908346, 0x8da9d4da, 0xed201c1f, 0xa47a2b1b, 0x330007d4, 0x8ba1ed47,
- 0xb2f02d44, 0x7db62c1b, 0x781c454b, 0xc0300029, 0xb7062a45, 0x88b52e3a, 0x78dd6b63, 0x1cb9b718,
- 0x5d358e47, 0x59912c3b, 0x79607544, 0x5197f759, 0xc023be48, 0xd1013743, 0x0f354057, 0x8e3aac3b,
- 0x4114693e, 0x22316318, 0xe27dda50, 0x878eac3b, 0x4948a21f, 0x5db7f24c, 0x8ccb6157, 0x26a5de18,
- 0x0a11bd43, 0x27bb1e41, 0x60a7a951, 0x3e16b35e, 0x07888b53, 0x5648a853, 0x0149fe50, 0xd070a34f,
- 0x6454c96d, 0xd6e54758, 0xa96dc152, 0x65447861, 0xf6bdf95e, 0x10400202, 0x2c29d483, 0x18174732,
- 0x1d840618, 0x12e61818, 0x089d3f3c, 0x917e931f, 0xd1b0c90e, 0x25bd3c42, 0xeb05775b, 0x7d550c59,
- 0x6cfacb01, 0xe4224444, 0xa41dd943, 0x0f5aa643, 0x5e33731b, 0x81036d50, 0x6f46a0d1, 0x7731be43,
- 0x14840e18, 0xf1e8d059, 0x661d2b1f, 0x40a3201b, 0x9407b843, 0xedf0254d, 0x7bd1a5bc, 0x073dbe51,
- 0xe864a97b, 0x2efd947b, 0xb9ca0e45, 0x4e2113ad, 0xcc305731, 0xd39ca63c, 0x733df918, 0xda172b1f,
- 0xaa03b34d, 0x7230fd4d, 0xf1ce6e3a, 0x2e9fab43, 0xa4010750, 0xa928bd18, 0x6809be42, 0xb19de348,
- 0xff956270, 0x0d795f51, 0xd2dec247, 0x6df5774b, 0xbac11f79, 0xdfb05c75, 0x887683d8, 0xa1e83632,
- 0x2c0f7671, 0x28bcb65d, 0xac2a7545, 0x3eebfc60, 0x304ad7c4, 0xa215a462, 0xc86f0f58, 0xcfb92ebe,
- 0x5e23ed82, 0xf506184b, 0xec0f19b7, 0x060c59ad, 0x86ee3174, 0x85380774, 0xa199a562, 0x02b507ae,
- 0x33eb2163, 0xf2112b1f, 0xb702ba50, 0x131b9618, 0x90ccd04a, 0x08f3273b, 0xecb61718, 0x64b8b44d,
- 0x182bf4dc, 0xc7b68286, 0x6e318d5f, 0xfdb03654, 0xb3272e54, 0xe014ad4b, 0x274e4a31, 0x7806375c,
- 0xbc34a748, 0x1b5ad94a, 0x6b54d10e, 0x73e2ae6e, 0x5529d483, 0x8455a76d, 0x99c13f47, 0x1d811741,
- 0xa9782a78, 0x0b00464d, 0x7266ea50, 0x532dab46, 0x33e1413e, 0x780d0c18, 0x0fb0854e, 0x03370155,
- 0x2693042e, 0xfa3d824a, 0x2bb1681b, 0x37ea2a18, 0x7fb8414b, 0x32e0713b, 0xacf38d3f, 0xa282716f,
- 0xb1a09d7b, 0xa04b764b, 0x83c94d18, 0x05ee4c6d, 0x0e795f51, 0x46984352, 0xf80fc247, 0x3fccb946,
- 0xd7ae244b, 0x0a8e0a4c, 0x57b141bc, 0x3647bed1, 0x1431b052, 0x803a8bbb, 0xfc69056b, 0xf5991862,
- 0x14963b2e, 0xd35d5dda, 0xc6c73574, 0xc8f1405b, 0x0ca4224d, 0xecd36071, 0xa9461754, 0xe7a0ed72,
- 0x559e8346, 0x1c9beec1, 0xc786ea4a, 0x9561b44d, 0x9788074d, 0x1a69934f, 0x23c5614c, 0x07c79d4b,
- 0xc7ee52db, 0xc72df351, 0xcb135e44, 0xa0988346, 0xc211fc4c, 0x87dec34b, 0x1381074d, 0x04a65cb7,
- 0x4409083a, 0x4a407a4c, 0x92b8d37d, 0xacf50b4d, 0xa58aa5bc, 0x448f801f, 0x9c83762e, 0x6fd5734a,
- 0xfe2d454b, 0x84144c55, 0x05190e4c, 0xb2151448, 0x63867a3e, 0x16099018, 0x9c010d3c, 0x962d8f3d,
- 0xd51ee453, 0x9d86801f, 0x68e87b47, 0x6bf7bb73, 0x5fc7910e, 0x10d90118, 0x3db04442, 0x729d3e4b,
- 0xc397d842, 0x57bb15ad, 0x72f31f4e, 0xc9380043, 0x2bb24e18, 0xd9b8ab50, 0xb786801f, 0xf4dc4847,
- 0x85f4bb51, 0x4435995b, 0x5ba07e40, 0x2c57392e, 0x3628124b, 0x9839b64b, 0x6fe8b24d, 0xaddce847,
- 0x75260e45, 0x0c572a43, 0xfea21902, 0xb9f9742e, 0x5a70d443, 0x8fc5910e, 0x868d4744, 0x56245e02,
- 0xd7eb5f02, 0x35c12c1b, 0x4373034b, 0x8786554c, 0xa6facf18, 0x4b11a31f, 0x3570664e, 0x5a64bc42,
- 0x0b03983f, 0x8f457e4c, 0x0fd874c3, 0xb6cf31b2, 0x2bbc2d4e, 0x146ca5b2, 0x9d00b150, 0x048a4153,
- 0xca4dcd43, 0xc1607cca, 0x8234cf57, 0x9c7daead, 0x3dc07658, 0xea5c6e4c, 0xf1a0084e, 0x16d2ee53,
- 0x1b849418, 0xfe913a47, 0x1e988f62, 0x208b644c, 0xc55ee980, 0xbdbce747, 0xf59a384e, 0x0f56091b,
- 0x7417b745, 0x0c37344e, 0x2c62ab47, 0xf8533a4d, 0x8030084d, 0x76b93c4b, 0xda6ea0ad, 0x3c54f618,
- 0x63b0de1f, 0x7370d858, 0x1a70bb4c, 0xdda63b2e, 0x60b2ba50, 0x1ba7d048, 0xbe1b2c1b, 0xabea5747,
- 0x29ad2e4d, 0xe8cd7642, 0x66c80e18, 0x138bf34a, 0xc6145e44, 0x2586794c, 0x07bc5478, 0x0da0b14d,
- 0x8f95354e, 0x9eb11c62, 0xa1545e46, 0x2e7a2602, 0x408c9c3d, 0x59065d55, 0xf51d1a4c, 0x3bbc6a4e,
- 0xc71b2a2e, 0xcdaaa545, 0x17d659d0, 0x5202e7ad, 0xf1b68445, 0x93375961, 0xbd88a043, 0x066ad655,
- 0x890f6318, 0x7b7dca47, 0x99bdd662, 0x3bb4fc53, 0x1231efdc, 0xc0a99444, 0x96bbea47, 0x61ed8748,
- 0x27dfa73b, 0x8d4d1754, 0x3460042e, 0x551f0c4c, 0x8d0e0718, 0x162ddc53, 0x53231718, 0x1ecd65d0,
- 0x944d28bc, 0x3b79d058, 0xaff97fbc, 0x4860006c, 0xc101c90e, 0xace41743, 0xa5975d4c, 0x5cc2703e,
- 0xb55a4450, 0x02d18840, 0xee2765ae, 0xd6012fd5, 0x24c94d7d, 0x8c6eec47, 0x7520ba5d, 0x9e15e460,
- 0x8510b04c, 0x75ec3847, 0x1dfa6661, 0xe172b3ad, 0x5744c90e, 0x52a0a152, 0x8d6fad18, 0x67b74b6d,
- 0x93a089b2, 0x0f3ac5d5, 0xe5de1855, 0x43d25747, 0x4bad804a, 0x55b408d8, 0x60a36441, 0xf553e860,
- 0xdb2fa2c8, 0x03152b32, 0xdd27a7d5, 0x3116a8b8, 0x0a1d708c, 0xeee2f13c, 0x6acf436f, 0xce6eb4ca,
- 0x101cd3d9, 0x1c48a6b8, 0xe57d6f44, 0x93dcf562,
+ "seedp4knqnoei57u.onion",
+ "seedr3hhlepyi7fd.onion",
+ "seed3uuomkclbiz4.onion",
+ "seedeh7qck3ouff5.onion",
+ "5rg3vq4jagckeckf.onion",
+ "seedt3sraf53ajiy.onion",
+ "seedg4qyccsg42oq.onion",
+ "novaqrtoywpg7jly.onion",
+ "seed3d5wolqbgrcb.onion",
+ "seed24u5dwph3qw4.onion",
+ "mj26ulzbs2oskgym.onion",
+ "eqon4usunavt76m7.onion",
+ "seedd3aldwpslzl3.onion"
};
+void DumpAddresses()
+{
+ int64_t nStart = GetTimeMillis();
+
+ CAddrDB adb;
+ adb.Write(addrman);
+ printf("Flushed %d addresses to peers.dat %" PRId64 "ms\n",
+ addrman.size(), GetTimeMillis() - nStart);
+}
+
+void ThreadDumpAddress2(void* parg)
+{
+ printf("ThreadDumpAddress started\n");
+
+ vnThreadsRunning[THREAD_DUMPADDRESS]++;
+ while (!fShutdown)
+ {
+ DumpAddresses();
+ vnThreadsRunning[THREAD_DUMPADDRESS]--;
+ Sleep(600000);
+ vnThreadsRunning[THREAD_DUMPADDRESS]++;
+ }
+ vnThreadsRunning[THREAD_DUMPADDRESS]--;
+}
+
+void ThreadDumpAddress(void* parg)
+{
+ // Make this thread recognisable as the address dumping thread
+ RenameThread("novacoin-adrdump");
+
+ try
+ {
+ ThreadDumpAddress2(parg);
+ }
+ catch (std::exception& e) {
+ PrintException(&e, "ThreadDumpAddress()");
+ }
+ printf("ThreadDumpAddress exited\n");
+}
void ThreadOpenConnections(void* parg)
{
- IMPLEMENT_RANDOMIZE_STACK(ThreadOpenConnections(parg));
+ // Make this thread recognisable as the connection opening thread
+ RenameThread("novacoin-opencon");
+
try
{
- vnThreadsRunning[1]++;
+ vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
ThreadOpenConnections2(parg);
- vnThreadsRunning[1]--;
+ vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
}
catch (std::exception& e) {
- vnThreadsRunning[1]--;
+ vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
PrintException(&e, "ThreadOpenConnections()");
} catch (...) {
- vnThreadsRunning[1]--;
+ vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
PrintException(NULL, "ThreadOpenConnections()");
}
- printf("ThreadOpenConnections exiting\n");
+ printf("ThreadOpenConnections exited\n");
+}
+
+void static ProcessOneShot()
+{
+ string strDest;
+ {
+ LOCK(cs_vOneShots);
+ if (vOneShots.empty())
+ return;
+ strDest = vOneShots.front();
+ vOneShots.pop_front();
+ }
+ CAddress addr;
+ CSemaphoreGrant grant(*semOutbound, true);
+ if (grant) {
+ if (!OpenNetworkConnection(addr, &grant, strDest.c_str(), true))
+ AddOneShot(strDest);
+ }
}
void ThreadOpenConnections2(void* parg)
printf("ThreadOpenConnections started\n");
// Connect to specific addresses
- if (mapArgs.count("-connect"))
+ if (mapArgs.count("-connect") && mapMultiArgs["-connect"].size() > 0)
{
- for (int64 nLoop = 0;; nLoop++)
+ for (int64_t nLoop = 0;; nLoop++)
{
+ ProcessOneShot();
BOOST_FOREACH(string strAddr, mapMultiArgs["-connect"])
{
- CAddress addr(strAddr, fAllowDNS);
- if (addr.IsValid())
- OpenNetworkConnection(addr);
+ CAddress addr;
+ OpenNetworkConnection(addr, NULL, strAddr.c_str());
for (int i = 0; i < 10 && i < nLoop; i++)
{
Sleep(500);
return;
}
}
- }
- }
-
- // 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;
- }
+ Sleep(500);
}
}
// Initiate network connections
- int64 nStart = GetTime();
- loop
+ int64_t nStart = GetTime();
+ for ( ; ; )
{
- // Limit outbound connections
- vnThreadsRunning[1]--;
+ ProcessOneShot();
+
+ vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
Sleep(500);
- loop
- {
- int nOutbound = 0;
- CRITICAL_BLOCK(cs_vNodes)
- BOOST_FOREACH(CNode* pnode, vNodes)
- if (!pnode->fInbound)
- nOutbound++;
- int nMaxOutboundConnections = MAX_OUTBOUND_CONNECTIONS;
- nMaxOutboundConnections = min(nMaxOutboundConnections, (int)GetArg("-maxconnections", 125));
- if (nOutbound < nMaxOutboundConnections)
- break;
- Sleep(2000);
- if (fShutdown)
- return;
- }
- vnThreadsRunning[1]++;
+ vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
if (fShutdown)
return;
- bool fAddSeeds = false;
- CRITICAL_BLOCK(cs_mapAddresses)
- {
- // Add seed nodes if IRC isn't working
- bool fTOR = (fUseProxy && addrProxy.port == htons(9050));
- if (mapAddresses.empty() && (GetTime() - nStart > 60 || fUseProxy) && !fTestNet)
- fAddSeeds = true;
- }
+ vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
+ CSemaphoreGrant grant(*semOutbound);
+ vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
+ if (fShutdown)
+ return;
- if (fAddSeeds)
+ // Add seed nodes if IRC isn't working
+ if (!IsLimited(NET_IPV4) && addrman.size()==0 && (GetTime() - nStart > 60) && !fTestNet)
{
- for (int i = 0; i < ARRAYLEN(pnSeed); i++)
+ std::vector<CAddress> vAdd;
+ for (unsigned int i = 0; i < ARRAYLEN(pnSeed); i++)
{
// It'll only connect to one or two seed nodes because once it connects,
// it'll get a pile of addresses with newer timestamps.
// Seed nodes are given a random 'last seen time' of between one and two
// weeks ago.
- const int64 nOneWeek = 7*24*60*60;
- CAddress addr;
- addr.ip = pnSeed[i];
+ struct in_addr ip;
+ memcpy(&ip, &pnSeed[i], sizeof(ip));
+ CAddress addr(CService(ip, GetDefaultPort()));
+ addr.nTime = GetTime()-GetRand(nOneWeek)-nOneWeek;
+ vAdd.push_back(addr);
+ }
+ addrman.Add(vAdd, CNetAddr("127.0.0.1"));
+ }
+
+ // Add Tor nodes if we have connection with onion router
+ if (mapArgs.count("-tor"))
+ {
+ std::vector<CAddress> vAdd;
+ for (unsigned int i = 0; i < ARRAYLEN(pchTorSeed); i++)
+ {
+ CAddress addr(CService(pchTorSeed[i], GetDefaultPort()));
addr.nTime = GetTime()-GetRand(nOneWeek)-nOneWeek;
- AddAddress(addr);
+ vAdd.push_back(addr);
}
+ addrman.Add(vAdd, CNetAddr("dummyaddress.onion"));
}
//
// Choose an address to connect to based on most recently seen
//
CAddress addrConnect;
- int64 nBest = INT64_MIN;
- // Only connect to one address per a.b.?.? range.
+ // Only connect out to one peer per network group (/16 for IPv4).
// Do this here so we don't have to critsect vNodes inside mapAddresses critsect.
- set<unsigned int> setConnected;
- CRITICAL_BLOCK(cs_vNodes)
- BOOST_FOREACH(CNode* pnode, vNodes)
- setConnected.insert(pnode->addr.ip & 0x0000ffff);
+ int nOutbound = 0;
+ set<vector<unsigned char> > setConnected;
+ {
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes) {
+ if (!pnode->fInbound) {
+ setConnected.insert(pnode->addr.GetGroup());
+ nOutbound++;
+ }
+ }
+ }
- int64 nANow = GetAdjustedTime();
+ int64_t nANow = GetAdjustedTime();
- CRITICAL_BLOCK(cs_mapAddresses)
+ int nTries = 0;
+ for ( ; ; )
{
- BOOST_FOREACH(const PAIRTYPE(vector<unsigned char>, CAddress)& item, mapAddresses)
- {
- const CAddress& addr = item.second;
- if (!addr.IsIPv4() || !addr.IsValid() || setConnected.count(addr.ip & 0x0000ffff))
- continue;
- int64 nSinceLastSeen = nANow - addr.nTime;
- int64 nSinceLastTry = nANow - addr.nLastTry;
-
- // Randomize the order in a deterministic way, putting the standard port first
- int64 nRandomizer = (uint64)(nStart * 4951 + addr.nLastTry * 9567851 + addr.ip * 7789) % (2 * 60 * 60);
- if (addr.port != htons(GetDefaultPort()))
- nRandomizer += 2 * 60 * 60;
-
- // Last seen Base retry frequency
- // <1 hour 10 min
- // 1 hour 1 hour
- // 4 hours 2 hours
- // 24 hours 5 hours
- // 48 hours 7 hours
- // 7 days 13 hours
- // 30 days 27 hours
- // 90 days 46 hours
- // 365 days 93 hours
- int64 nDelay = (int64)(3600.0 * sqrt(fabs((double)nSinceLastSeen) / 3600.0) + nRandomizer);
-
- // Fast reconnect for one hour after last seen
- if (nSinceLastSeen < 60 * 60)
- nDelay = 10 * 60;
-
- // Limit retry frequency
- if (nSinceLastTry < nDelay)
- continue;
+ // use an nUnkBias between 10 (no outgoing connections) and 90 (8 outgoing connections)
+ CAddress addr = addrman.Select(10 + min(nOutbound,8)*10);
- // If we have IRC, we'll be notified when they first come online,
- // and again every 24 hours by the refresh broadcast.
- if (nGotIRCAddresses > 0 && vNodes.size() >= 2 && nSinceLastSeen > 24 * 60 * 60)
- continue;
+ // if we selected an invalid address, restart
+ if (!addr.IsValid() || setConnected.count(addr.GetGroup()) || IsLocal(addr))
+ break;
- // Only try the old stuff if we don't have enough connections
- if (vNodes.size() >= 8 && nSinceLastSeen > 24 * 60 * 60)
- continue;
+ // If we didn't find an appropriate destination after trying 100 addresses fetched from addrman,
+ // stop this loop, and let the outer loop run again (which sleeps, adds seed nodes, recalculates
+ // already-connected network ranges, ...) before trying new addrman addresses.
+ nTries++;
+ if (nTries > 100)
+ break;
+
+ if (IsLimited(addr))
+ continue;
+
+ // only consider very recently tried nodes after 30 failed attempts
+ if (nANow - addr.nLastTry < 600 && nTries < 30)
+ continue;
+
+ // do not allow non-default ports, unless after 50 invalid addresses selected already
+ if (addr.GetPort() != GetDefaultPort() && nTries < 50)
+ continue;
+
+ addrConnect = addr;
+ break;
+ }
+
+ if (addrConnect.IsValid())
+ OpenNetworkConnection(addrConnect, &grant);
+ }
+}
- // If multiple addresses are ready, prioritize by time since
- // last seen and time since last tried.
- int64 nScore = min(nSinceLastTry, (int64)24 * 60 * 60) - nSinceLastSeen - nRandomizer;
- if (nScore > nBest)
+void ThreadOpenAddedConnections(void* parg)
+{
+ // Make this thread recognisable as the connection opening thread
+ RenameThread("novacoin-opencon");
+
+ try
+ {
+ vnThreadsRunning[THREAD_ADDEDCONNECTIONS]++;
+ ThreadOpenAddedConnections2(parg);
+ vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
+ }
+ catch (std::exception& e) {
+ vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
+ PrintException(&e, "ThreadOpenAddedConnections()");
+ } catch (...) {
+ vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
+ PrintException(NULL, "ThreadOpenAddedConnections()");
+ }
+ printf("ThreadOpenAddedConnections exited\n");
+}
+
+void ThreadOpenAddedConnections2(void* parg)
+{
+ printf("ThreadOpenAddedConnections started\n");
+
+ {
+ LOCK(cs_vAddedNodes);
+ vAddedNodes = mapMultiArgs["-addnode"];
+ }
+
+ if (HaveNameProxy()) {
+ while(!fShutdown) {
+ list<string> lAddresses(0);
+ {
+ LOCK(cs_vAddedNodes);
+ BOOST_FOREACH(string& strAddNode, vAddedNodes)
+ lAddresses.push_back(strAddNode);
+ }
+ BOOST_FOREACH(string& strAddNode, lAddresses) {
+ CAddress addr;
+ CSemaphoreGrant grant(*semOutbound);
+ OpenNetworkConnection(addr, &grant, strAddNode.c_str());
+ Sleep(500);
+ }
+ vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
+ Sleep(120000); // Retry every 2 minutes
+ vnThreadsRunning[THREAD_ADDEDCONNECTIONS]++;
+ }
+ return;
+ }
+
+ for (uint32_t i = 0; true; i++)
+ {
+ list<string> lAddresses(0);
+ {
+ LOCK(cs_vAddedNodes);
+ BOOST_FOREACH(string& strAddNode, vAddedNodes)
+ lAddresses.push_back(strAddNode);
+ }
+
+ list<vector<CService> > lservAddressesToAdd(0);
+ BOOST_FOREACH(string& strAddNode, lAddresses)
+ {
+ vector<CService> vservNode(0);
+ if (Lookup(strAddNode.c_str(), vservNode, GetDefaultPort(), fNameLookup, 0))
+ {
+ lservAddressesToAdd.push_back(vservNode);
{
- nBest = nScore;
- addrConnect = addr;
+ LOCK(cs_setservAddNodeAddresses);
+ BOOST_FOREACH(CService& serv, vservNode)
+ setservAddNodeAddresses.insert(serv);
}
}
}
-
- if (addrConnect.IsValid())
- OpenNetworkConnection(addrConnect);
+ // 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 fNameLookup)
+ {
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes)
+ for (list<vector<CService> >::iterator it = lservAddressesToAdd.begin(); it != lservAddressesToAdd.end(); it++)
+ {
+ BOOST_FOREACH(CService& addrNode, *(it))
+ if (pnode->addr == addrNode)
+ {
+ it = lservAddressesToAdd.erase(it);
+ if(it != lservAddressesToAdd.begin())
+ it--;
+ break;
+ }
+ if (it == lservAddressesToAdd.end())
+ break;
+ }
+ }
+ BOOST_FOREACH(vector<CService>& vserv, lservAddressesToAdd)
+ {
+ if (vserv.size() == 0)
+ continue;
+ CSemaphoreGrant grant(*semOutbound);
+ OpenNetworkConnection(CAddress(vserv[i % vserv.size()]), &grant);
+ Sleep(500);
+ if (fShutdown)
+ return;
+ }
+ if (fShutdown)
+ return;
+ vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
+ Sleep(120000); // Retry every 2 minutes
+ vnThreadsRunning[THREAD_ADDEDCONNECTIONS]++;
+ if (fShutdown)
+ return;
}
}
-bool OpenNetworkConnection(const CAddress& addrConnect)
+// if successful, this moves the passed grant to the constructed node
+bool OpenNetworkConnection(const CAddress& addrConnect, CSemaphoreGrant *grantOutbound, const char *strDest, bool fOneShot)
{
//
// Initiate outbound network connection
//
if (fShutdown)
return false;
- if (addrConnect.ip == addrLocalHost.ip || !addrConnect.IsIPv4() ||
- FindNode(addrConnect.ip) || CNode::IsBanned(addrConnect.ip))
+ if (!strDest)
+ if (IsLocal(addrConnect) ||
+ FindNode((CNetAddr)addrConnect) || CNode::IsBanned(addrConnect) ||
+ FindNode(addrConnect.ToStringIPPort().c_str()))
+ return false;
+ if (strDest && FindNode(strDest))
return false;
- vnThreadsRunning[1]--;
- CNode* pnode = ConnectNode(addrConnect);
- vnThreadsRunning[1]++;
+ vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
+ CNode* pnode = ConnectNode(addrConnect, strDest);
+ vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
if (fShutdown)
return false;
if (!pnode)
return false;
+ if (grantOutbound)
+ grantOutbound->MoveTo(pnode->grantOutbound);
pnode->fNetworkNode = true;
+ if (fOneShot)
+ pnode->fOneShot = true;
return true;
}
+// for now, use a very simple selection metric: the node from which we received
+// most recently
+static int64_t NodeSyncScore(const CNode *pnode) {
+ return pnode->nLastRecv;
+}
-
-
-
-
-
+void static StartSync(const vector<CNode*> &vNodes) {
+ CNode *pnodeNewSync = NULL;
+ int64_t nBestScore = 0;
+
+ // Iterate over all nodes
+ BOOST_FOREACH(CNode* pnode, vNodes) {
+ // check preconditions for allowing a sync
+ if (!pnode->fClient && !pnode->fOneShot &&
+ !pnode->fDisconnect && pnode->fSuccessfullyConnected &&
+ (pnode->nStartingHeight > (nBestHeight - 144)) &&
+ (pnode->nVersion < NOBLKS_VERSION_START || pnode->nVersion >= NOBLKS_VERSION_END)) {
+ // if ok, compare node's score with the best so far
+ int64_t nScore = NodeSyncScore(pnode);
+ if (pnodeNewSync == NULL || nScore > nBestScore) {
+ pnodeNewSync = pnode;
+ nBestScore = nScore;
+ }
+ }
+ }
+ // if a new sync candidate was found, start sync!
+ if (pnodeNewSync) {
+ pnodeNewSync->fStartSync = true;
+ pnodeSync = pnodeNewSync;
+ }
+}
void ThreadMessageHandler(void* parg)
{
- IMPLEMENT_RANDOMIZE_STACK(ThreadMessageHandler(parg));
+ // Make this thread recognisable as the message handling thread
+ RenameThread("novacoin-msghand");
+
try
{
- vnThreadsRunning[2]++;
+ vnThreadsRunning[THREAD_MESSAGEHANDLER]++;
ThreadMessageHandler2(parg);
- vnThreadsRunning[2]--;
+ vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
}
catch (std::exception& e) {
- vnThreadsRunning[2]--;
+ vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
PrintException(&e, "ThreadMessageHandler()");
} catch (...) {
- vnThreadsRunning[2]--;
+ vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
PrintException(NULL, "ThreadMessageHandler()");
}
- printf("ThreadMessageHandler exiting\n");
+ printf("ThreadMessageHandler exited\n");
}
void ThreadMessageHandler2(void* parg)
SetThreadPriority(THREAD_PRIORITY_BELOW_NORMAL);
while (!fShutdown)
{
+ bool fHaveSyncNode = false;
vector<CNode*> vNodesCopy;
- CRITICAL_BLOCK(cs_vNodes)
{
+ LOCK(cs_vNodes);
vNodesCopy = vNodes;
- BOOST_FOREACH(CNode* pnode, vNodesCopy)
+ BOOST_FOREACH(CNode* pnode, vNodesCopy) {
pnode->AddRef();
+ if (pnode == pnodeSync)
+ fHaveSyncNode = true;
+ }
}
+ if (!fHaveSyncNode)
+ StartSync(vNodesCopy);
+
// Poll the connected nodes for messages
- CNode* pnodeTrickle = NULL;
- if (!vNodesCopy.empty())
- pnodeTrickle = vNodesCopy[GetRand(vNodesCopy.size())];
BOOST_FOREACH(CNode* pnode, vNodesCopy)
{
// Receive messages
- TRY_CRITICAL_BLOCK(pnode->cs_vRecv)
- ProcessMessages(pnode);
+ {
+ TRY_LOCK(pnode->cs_vRecv, lockRecv);
+ if (lockRecv)
+ ProcessMessages(pnode);
+ }
if (fShutdown)
return;
// Send messages
- TRY_CRITICAL_BLOCK(pnode->cs_vSend)
- SendMessages(pnode, pnode == pnodeTrickle);
+ {
+ TRY_LOCK(pnode->cs_vSend, lockSend);
+ if (lockSend)
+ SendMessages(pnode);
+ }
if (fShutdown)
return;
}
- CRITICAL_BLOCK(cs_vNodes)
{
- BOOST_FOREACH(CNode* pnode, vNodesCopy)
- pnode->Release();
+ LOCK(cs_vNodes);
+ for_each(vNodesCopy.begin(), vNodesCopy.end(), Release);
}
// Wait and allow messages to bunch up.
// Reduce vnThreadsRunning so StopNode has permission to exit while
// we're sleeping, but we must always check fShutdown after doing this.
- vnThreadsRunning[2]--;
+ vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
Sleep(100);
if (fRequestShutdown)
- Shutdown(NULL);
- vnThreadsRunning[2]++;
+ StartShutdown();
+ vnThreadsRunning[THREAD_MESSAGEHANDLER]++;
if (fShutdown)
return;
}
-bool BindListenPort(string& strError)
+bool BindListenPort(const CService &addrBind, string& strError)
{
- strError = "";
+ strError.clear();
int nOne = 1;
- addrLocalHost.port = htons(GetListenPort());
-#ifdef WIN32
- // Initialize Windows Sockets
- WSADATA wsadata;
- int ret = WSAStartup(MAKEWORD(2,2), &wsadata);
- if (ret != NO_ERROR)
+ // Create socket for listening for incoming connections
+#ifdef USE_IPV6
+ struct sockaddr_storage sockaddr;
+#else
+ struct sockaddr sockaddr;
+#endif
+ socklen_t len = sizeof(sockaddr);
+ if (!addrBind.GetSockAddr((struct sockaddr*)&sockaddr, &len))
{
- strError = strprintf("Error: TCP/IP socket library failed to start (WSAStartup returned error %d)", ret);
+ strError = strprintf("Error: bind address family for %s not supported", addrBind.ToString().c_str());
printf("%s\n", strError.c_str());
return false;
}
-#endif
- // Create socket for listening for incoming connections
- hListenSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+ SOCKET hListenSocket = socket(((struct sockaddr*)&sockaddr)->sa_family, SOCK_STREAM, IPPROTO_TCP);
if (hListenSocket == INVALID_SOCKET)
{
strError = strprintf("Error: Couldn't open socket for incoming connections (socket returned error %d)", WSAGetLastError());
return false;
}
+#ifndef WIN32
#ifdef SO_NOSIGPIPE
// Different way of disabling SIGPIPE on BSD
setsockopt(hListenSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&nOne, sizeof(int));
#endif
-
-#ifndef WIN32
// Allow binding if the port is still in TIME_WAIT state after
- // the program was closed and restarted. Not an issue on windows.
+ // the program was closed and restarted. Not an issue on windows!
setsockopt(hListenSocket, SOL_SOCKET, SO_REUSEADDR, (void*)&nOne, sizeof(int));
#endif
#ifdef WIN32
- // Set to nonblocking, incoming connections will also inherit this
+ // Set to non-blocking, incoming connections will also inherit this
if (ioctlsocket(hListenSocket, FIONBIO, (u_long*)&nOne) == SOCKET_ERROR)
#else
if (fcntl(hListenSocket, F_SETFL, O_NONBLOCK) == SOCKET_ERROR)
return false;
}
- // The sockaddr_in structure specifies the address family,
- // IP address, and port for the socket that is being bound
- struct sockaddr_in sockaddr;
- memset(&sockaddr, 0, sizeof(sockaddr));
- sockaddr.sin_family = AF_INET;
- sockaddr.sin_addr.s_addr = INADDR_ANY; // bind to all IPs on this computer
- sockaddr.sin_port = htons(GetListenPort());
- if (::bind(hListenSocket, (struct sockaddr*)&sockaddr, sizeof(sockaddr)) == SOCKET_ERROR)
+#ifdef USE_IPV6
+ // some systems don't have IPV6_V6ONLY but are always v6only; others do have the option
+ // and enable it by default or not. Try to enable it, if possible.
+ if (addrBind.IsIPv6()) {
+#ifdef IPV6_V6ONLY
+#ifdef WIN32
+ setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (const char*)&nOne, sizeof(int));
+#else
+ setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&nOne, sizeof(int));
+#endif
+#endif
+#ifdef WIN32
+ int nProtLevel = PROTECTION_LEVEL_UNRESTRICTED;
+ setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_PROTECTION_LEVEL, (const char*)&nProtLevel, sizeof(int));
+#endif
+ }
+#endif
+
+ if (::bind(hListenSocket, (struct sockaddr*)&sockaddr, len) == SOCKET_ERROR)
{
int nErr = WSAGetLastError();
if (nErr == WSAEADDRINUSE)
- strError = strprintf(_("Unable to bind to port %d on this computer. Bitcoin is probably already running."), ntohs(sockaddr.sin_port));
+ strError = strprintf(_("Unable to bind to %s on this computer. NovaCoin is probably already running."), addrBind.ToString().c_str());
else
- strError = strprintf("Error: Unable to bind to port %d on this computer (bind returned error %d)", ntohs(sockaddr.sin_port), nErr);
+ strError = strprintf(_("Unable to bind to %s on this computer (bind returned error %d, %s)"), addrBind.ToString().c_str(), nErr, strerror(nErr));
printf("%s\n", strError.c_str());
+ CloseSocket(hListenSocket);
return false;
}
- printf("Bound to port %d\n", ntohs(sockaddr.sin_port));
+ printf("Bound to %s\n", addrBind.ToString().c_str());
// Listen for incoming connections
if (listen(hListenSocket, SOMAXCONN) == SOCKET_ERROR)
{
strError = strprintf("Error: Listening for incoming connections failed (listen returned error %d)", WSAGetLastError());
printf("%s\n", strError.c_str());
+ CloseSocket(hListenSocket);
return false;
}
+ vhListenSocket.push_back(hListenSocket);
+
+ if (addrBind.IsRoutable() && fDiscover)
+ AddLocal(addrBind, LOCAL_BIND);
+
return true;
}
-void StartNode(void* parg)
+void static Discover()
{
- if (pnodeLocalHost == NULL)
- pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress("127.0.0.1", 0, false, nLocalServices));
+ if (!fDiscover)
+ return;
#ifdef WIN32
- // Get local host ip
+ // Get local host IP
char pszHostName[1000] = "";
if (gethostname(pszHostName, sizeof(pszHostName)) != SOCKET_ERROR)
{
- vector<CAddress> vaddr;
- if (Lookup(pszHostName, vaddr, nLocalServices, -1, true))
- BOOST_FOREACH (const CAddress &addr, vaddr)
- if (addr.GetByte(3) != 127)
- {
- addrLocalHost = addr;
- break;
- }
+ vector<CNetAddr> vaddr;
+ if (LookupHost(pszHostName, vaddr))
+ {
+ BOOST_FOREACH (const CNetAddr &addr, vaddr)
+ {
+ AddLocal(addr, LOCAL_IF);
+ }
+ }
}
#else
// Get local host ip
if ((ifa->ifa_flags & IFF_UP) == 0) continue;
if (strcmp(ifa->ifa_name, "lo") == 0) continue;
if (strcmp(ifa->ifa_name, "lo0") == 0) continue;
- char pszIP[100];
if (ifa->ifa_addr->sa_family == AF_INET)
{
struct sockaddr_in* s4 = (struct sockaddr_in*)(ifa->ifa_addr);
- if (inet_ntop(ifa->ifa_addr->sa_family, (void*)&(s4->sin_addr), pszIP, sizeof(pszIP)) != NULL)
- printf("ipv4 %s: %s\n", ifa->ifa_name, pszIP);
-
- // Take the first IP that isn't loopback 127.x.x.x
- CAddress addr(*(unsigned int*)&s4->sin_addr, GetListenPort(), nLocalServices);
- if (addr.IsValid() && addr.GetByte(3) != 127)
- {
- addrLocalHost = addr;
- break;
- }
+ CNetAddr addr(s4->sin_addr);
+ if (AddLocal(addr, LOCAL_IF))
+ printf("IPv4 %s: %s\n", ifa->ifa_name, addr.ToString().c_str());
}
+#ifdef USE_IPV6
else if (ifa->ifa_addr->sa_family == AF_INET6)
{
struct sockaddr_in6* s6 = (struct sockaddr_in6*)(ifa->ifa_addr);
- if (inet_ntop(ifa->ifa_addr->sa_family, (void*)&(s6->sin6_addr), pszIP, sizeof(pszIP)) != NULL)
- printf("ipv6 %s: %s\n", ifa->ifa_name, pszIP);
+ CNetAddr addr(s6->sin6_addr);
+ if (AddLocal(addr, LOCAL_IF))
+ printf("IPv6 %s: %s\n", ifa->ifa_name, addr.ToString().c_str());
}
+#endif
}
freeifaddrs(myaddrs);
}
#endif
- printf("addrLocalHost = %s\n", addrLocalHost.ToString().c_str());
- if (fUseProxy || mapArgs.count("-connect") || fNoListen)
- {
- // Proxies can't take incoming connections
- addrLocalHost.ip = CAddress("0.0.0.0").ip;
- printf("addrLocalHost = %s\n", addrLocalHost.ToString().c_str());
- }
- else
- {
- CreateThread(ThreadGetMyExternalIP, NULL);
+ // Don't use external IPv4 discovery, when -onlynet="IPv6"
+ if (!IsLimited(NET_IPV4))
+ NewThread(ThreadGetMyExternalIP, NULL);
+}
+
+void StartNode(void* parg)
+{
+ // Make this thread recognisable as the startup thread
+ RenameThread("novacoin-start");
+
+ if (semOutbound == NULL) {
+ // initialize semaphore
+ int nMaxOutbound = min(MAX_OUTBOUND_CONNECTIONS, GetArgInt("-maxconnections", 125));
+ semOutbound = new CSemaphore(nMaxOutbound);
}
+ if (pnodeLocalHost == NULL)
+ pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress(CService("127.0.0.1", nPortZero), nLocalServices));
+
+ Discover();
+
//
// Start threads
//
- if (GetBoolArg("-nodnsseed"))
+ if (!GetBoolArg("-dnsseed", true))
printf("DNS seeding disabled\n");
else
- if (!CreateThread(ThreadDNSAddressSeed, NULL))
- printf("Error: CreateThread(ThreadDNSAddressSeed) failed\n");
-
- // Map ports with UPnP
- if (fHaveUPnP)
- MapPort(fUseUPnP);
+ if (!NewThread(ThreadDNSAddressSeed, NULL))
+ printf("Error: NewThread(ThreadDNSAddressSeed) failed\n");
// Get addresses from IRC and advertise ours
- if (!CreateThread(ThreadIRCSeed, NULL))
- printf("Error: CreateThread(ThreadIRCSeed) failed\n");
+ if (!GetBoolArg("-irc", true))
+ printf("IRC seeding disabled\n");
+ else
+ if (!NewThread(ThreadIRCSeed, NULL))
+ printf("Error: NewThread(ThreadIRCSeed) failed\n");
// Send and receive from sockets, accept connections
- if (!CreateThread(ThreadSocketHandler, NULL))
- printf("Error: CreateThread(ThreadSocketHandler) failed\n");
+ if (!NewThread(ThreadSocketHandler, NULL))
+ printf("Error: NewThread(ThreadSocketHandler) failed\n");
+
+ // Initiate outbound connections from -addnode
+ if (!NewThread(ThreadOpenAddedConnections, NULL))
+ printf("Error: NewThread(ThreadOpenAddedConnections) failed\n");
// Initiate outbound connections
- if (!CreateThread(ThreadOpenConnections, NULL))
- printf("Error: CreateThread(ThreadOpenConnections) failed\n");
+ if (!NewThread(ThreadOpenConnections, NULL))
+ printf("Error: NewThread(ThreadOpenConnections) failed\n");
// Process messages
- if (!CreateThread(ThreadMessageHandler, NULL))
- printf("Error: CreateThread(ThreadMessageHandler) failed\n");
+ if (!NewThread(ThreadMessageHandler, NULL))
+ printf("Error: NewThread(ThreadMessageHandler) failed\n");
+
+ // Dump network addresses
+ if (!NewThread(ThreadDumpAddress, NULL))
+ printf("Error; NewThread(ThreadDumpAddress) failed\n");
+
+ // Mine proof-of-stake blocks in the background
+ if (!NewThread(ThreadStakeMiner, pwalletMain))
+ printf("Error: NewThread(ThreadStakeMiner) failed\n");
+
+ // Trusted NTP server, it's localhost by default.
+ strTrustedUpstream = GetArg("-ntp", "localhost");
+
+ // Start periodical NTP sampling thread
+ NewThread(ThreadNtpSamples, NULL);
- // Generate coins in the background
- GenerateBitcoins(fGenerateBitcoins, pwalletMain);
}
bool StopNode()
printf("StopNode()\n");
fShutdown = true;
nTransactionsUpdated++;
- int64 nStart = GetTime();
- while (vnThreadsRunning[0] > 0 || vnThreadsRunning[2] > 0 || vnThreadsRunning[3] > 0 || vnThreadsRunning[4] > 0
-#ifdef USE_UPNP
- || vnThreadsRunning[5] > 0
-#endif
- )
+ int64_t nStart = GetTime();
+ {
+ LOCK(cs_main);
+ ThreadScriptCheckQuit();
+ }
+ if (semOutbound)
+ for (int i=0; i<MAX_OUTBOUND_CONNECTIONS; i++)
+ semOutbound->post();
+ for ( ; ; )
{
+ int nThreadsRunning = 0;
+ for (int n = 0; n < THREAD_MAX; n++)
+ nThreadsRunning += vnThreadsRunning[n];
+ if (nThreadsRunning == 0)
+ break;
if (GetTime() - nStart > 20)
break;
Sleep(20);
- }
- if (vnThreadsRunning[0] > 0) printf("ThreadSocketHandler still running\n");
- if (vnThreadsRunning[1] > 0) printf("ThreadOpenConnections still running\n");
- if (vnThreadsRunning[2] > 0) printf("ThreadMessageHandler still running\n");
- if (vnThreadsRunning[3] > 0) printf("ThreadBitcoinMiner still running\n");
- 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");
- while (vnThreadsRunning[2] > 0 || vnThreadsRunning[4] > 0)
+ };
+ if (vnThreadsRunning[THREAD_SOCKETHANDLER] > 0) printf("ThreadSocketHandler still running\n");
+ if (vnThreadsRunning[THREAD_OPENCONNECTIONS] > 0) printf("ThreadOpenConnections still running\n");
+ if (vnThreadsRunning[THREAD_MESSAGEHANDLER] > 0) printf("ThreadMessageHandler still running\n");
+ if (vnThreadsRunning[THREAD_RPCLISTENER] > 0) printf("ThreadRPCListener still running\n");
+ if (vnThreadsRunning[THREAD_RPCHANDLER] > 0) printf("ThreadsRPCServer still running\n");
+ if (vnThreadsRunning[THREAD_DNSSEED] > 0) printf("ThreadDNSAddressSeed still running\n");
+ if (vnThreadsRunning[THREAD_ADDEDCONNECTIONS] > 0) printf("ThreadOpenAddedConnections still running\n");
+ if (vnThreadsRunning[THREAD_DUMPADDRESS] > 0) printf("ThreadDumpAddresses still running\n");
+ if (vnThreadsRunning[THREAD_MINTER] > 0) printf("ThreadStakeMinter still running\n");
+ if (vnThreadsRunning[THREAD_SCRIPTCHECK] > 0) printf("ThreadScriptCheck still running\n");
+ while (vnThreadsRunning[THREAD_MESSAGEHANDLER] > 0 || vnThreadsRunning[THREAD_RPCHANDLER] > 0 || vnThreadsRunning[THREAD_SCRIPTCHECK] > 0)
Sleep(20);
Sleep(50);
+ DumpAddresses();
return true;
}
// Close sockets
BOOST_FOREACH(CNode* pnode, vNodes)
if (pnode->hSocket != INVALID_SOCKET)
- closesocket(pnode->hSocket);
- if (hListenSocket != INVALID_SOCKET)
- if (closesocket(hListenSocket) == SOCKET_ERROR)
- printf("closesocket(hListenSocket) failed with error %d\n", WSAGetLastError());
+ CloseSocket(pnode->hSocket);
+ BOOST_FOREACH(SOCKET hListenSocket, vhListenSocket)
+ if (hListenSocket != INVALID_SOCKET)
+ if (!CloseSocket(hListenSocket))
+ printf("CloseSocket(hListenSocket) failed with error %d\n", WSAGetLastError());
+
+ // clean up some globals (to help leak detection)
+ BOOST_FOREACH(CNode *pnode, vNodes)
+ delete pnode;
+ BOOST_FOREACH(CNode *pnode, vNodesDisconnected)
+ delete pnode;
+ vNodes.clear();
+ vNodesDisconnected.clear();
+ delete semOutbound;
+ semOutbound = NULL;
+ delete pnodeLocalHost;
+ pnodeLocalHost = NULL;
#ifdef WIN32
// Shutdown Windows Sockets
}
}
instance_of_cnetcleanup;
+
+void RelayTransaction(const CTransaction& tx, const uint256& hash)
+{
+ CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
+ ss.reserve(10000);
+ ss << tx;
+ RelayTransaction(tx, hash, ss);
+}
+
+void RelayTransaction(const CTransaction& tx, const uint256& hash, const CDataStream& ss)
+{
+ CInv inv(MSG_TX, hash);
+ {
+ LOCK(cs_mapRelay);
+ // Expire old relay messages
+ while (!vRelayExpiration.empty() && vRelayExpiration.front().first < GetTime())
+ {
+ mapRelay.erase(vRelayExpiration.front().second);
+ vRelayExpiration.pop_front();
+ }
+
+ // Save original serialized message so newer versions are preserved
+ mapRelay.insert(std::make_pair(inv, ss));
+ vRelayExpiration.push_back(std::make_pair(GetTime() + 15 * 60, inv));
+ }
+
+ RelayInventory(inv);
+}
+
+void CNode::RecordBytesRecv(uint64_t bytes)
+{
+ LOCK(cs_totalBytesRecv);
+ nTotalBytesRecv += bytes;
+}
+
+void CNode::RecordBytesSent(uint64_t bytes)
+{
+ LOCK(cs_totalBytesSent);
+ nTotalBytesSent += bytes;
+}
+
+uint64_t CNode::GetTotalBytesRecv()
+{
+ LOCK(cs_totalBytesRecv);
+ return nTotalBytesRecv;
+}
+
+uint64_t CNode::GetTotalBytesSent()
+{
+ LOCK(cs_totalBytesSent);
+ return nTotalBytesSent;
+}
+int64_t PoissonNextSend(int64_t nNow, int average_interval_seconds) {
+ return nNow + (int64_t)(log1p(GetRand(1ULL << 48) * -0.0000000000000035527136788 /* -1/2^48 */) * average_interval_seconds * -1000000.0 + 0.5);
+}
git://git.novaco.in / novacoin.git / blobdiff