void ThreadMapPort2(void* parg);
#endif
void ThreadDNSAddressSeed2(void* parg);
-bool OpenNetworkConnection(const CAddress& addrConnect, CSemaphoreGrant *grantOutbound = NULL, const char *strDest = NULL, bool fOneShot = false);
-
struct LocalServiceInfo {
int nScore;
bool fClient = false;
bool fDiscover = true;
bool fUseUPnP = false;
-uint64 nLocalServices = (fClient ? 0 : NODE_NETWORK);
+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;
+static CNode* pnodeSync = NULL;
CAddress addrSeenByPeer(CService("0.0.0.0", 0), nLocalServices);
-uint64 nLocalHostNonce = 0;
-array<int, THREAD_MAX> vnThreadsRunning;
+uint64_t nLocalHostNonce = 0;
+boost::array<int, THREAD_MAX> vnThreadsRunning;
static std::vector<SOCKET> vhListenSocket;
CAddrMan addrman;
vector<CNode*> vNodes;
CCriticalSection cs_vNodes;
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;
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)
return vfReachable[net] && !vfLimited[net];
}
-bool GetMyExternalIP2(const CService& addrConnect, const char* pszGet, const char* pszKeyword, CNetAddr& 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))
- {
- if (strLine.empty()) // HTTP response is separated from headers by blank line
- {
- while (true)
- {
- if (!RecvLine(hSocket, strLine))
- {
- closesocket(hSocket);
- return false;
- }
- if (pszKeyword == NULL)
- break;
- if (strLine.find(pszKeyword) != string::npos)
- {
- strLine = strLine.substr(strLine.find(pszKeyword) + strlen(pszKeyword));
- break;
- }
- }
- closesocket(hSocket);
- if (strLine.find("<") != string::npos)
- 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);
- CService addr(strLine,0,true);
- printf("GetMyExternalIP() received [%s] %s\n", strLine.c_str(), addr.ToString().c_str());
- if (!addr.IsValid() || !addr.IsRoutable())
- return false;
- ipRet.SetIP(addr);
- return true;
- }
- }
- closesocket(hSocket);
- return error("GetMyExternalIP() : connection closed");
-}
+extern int GetExternalIPbySTUN(uint64_t rnd, struct sockaddr_in *mapped, const char **srv);
// We now get our external IP from the IRC server first and only use this as a backup
bool GetMyExternalIP(CNetAddr& ipRet)
{
- CService addrConnect;
- const char* pszGet;
- const char* pszKeyword;
-
- for (int nLookup = 0; nLookup <= 1; nLookup++)
- for (int nHost = 1; nHost <= 2; nHost++)
- {
- // 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 web server that prints the client IP:
- // <?php echo $_SERVER["REMOTE_ADDR"]; ?>
- if (nHost == 1)
- {
- addrConnect = CService("91.198.22.70",80); // checkip.dyndns.org
-
- if (nLookup == 1)
- {
- CService addrIP("checkip.dyndns.org", 80, true);
- if (addrIP.IsValid())
- addrConnect = addrIP;
- }
-
- 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 = CService("74.208.43.192", 80); // www.showmyip.com
-
- if (nLookup == 1)
- {
- CService 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";
-
- pszKeyword = NULL; // Returns just IP address
- }
-
- if (GetMyExternalIP2(addrConnect, pszGet, pszKeyword, ipRet))
- return true;
+ struct sockaddr_in mapped;
+ uint64_t rnd = GetRand(~0LL);
+ 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;
}
-
return false;
}
-
-
+uint64_t CNode::nTotalBytesRecv = 0;
+uint64_t CNode::nTotalBytesSent = 0;
+CCriticalSection CNode::cs_totalBytesRecv;
+CCriticalSection CNode::cs_totalBytesSent;
CNode* FindNode(const CNetAddr& ip)
{
- {
- LOCK(cs_vNodes);
- BOOST_FOREACH(CNode* pnode, vNodes)
- if ((CNetAddr)pnode->addr == ip)
- return (pnode);
- }
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes)
+ if ((CNetAddr)pnode->addr == ip)
+ return (pnode);
return NULL;
}
CNode* FindNode(const CService& addr)
{
- {
- LOCK(cs_vNodes);
- BOOST_FOREACH(CNode* pnode, vNodes)
- if ((CService)pnode->addr == addr)
- return (pnode);
- }
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes)
+ if ((CService)pnode->addr == addr)
+ return (pnode);
return NULL;
}
-CNode* ConnectNode(CAddress addrConnect, const char *pszDest, int64 nTimeout)
+CNode* ConnectNode(CAddress addrConnect, const char *pszDest, int64_t nTimeout)
{
if (pszDest == NULL) {
if (IsLocal(addrConnect))
hSocket = INVALID_SOCKET;
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()
void CNode::PushVersion()
{
/// when NTP implemented, change to just nTime = GetAdjustedTime()
- int64 nTime = (fInbound ? GetAdjustedTime() : GetTime());
+ int64_t nTime = (fInbound ? GetAdjustedTime() : GetTime());
CAddress addrYou = (addr.IsRoutable() && !IsProxy(addr) ? addr : CAddress(CService("0.0.0.0",0)));
CAddress addrMe = GetLocalAddress(&addr);
RAND_bytes((unsigned char*)&nLocalHostNonce, sizeof(nLocalHostNonce));
-std::map<CNetAddr, int64> CNode::setBanned;
+std::map<CNetAddr, int64_t> CNode::setBanned;
CCriticalSection CNode::cs_setBanned;
void CNode::ClearBanned()
bool fResult = false;
{
LOCK(cs_setBanned);
- std::map<CNetAddr, int64>::iterator i = setBanned.find(ip);
+ 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;
}
nMisbehavior += howmuch;
if (nMisbehavior >= GetArg("-banscore", 100))
{
- int64 banTime = GetTime()+GetArg("-bantime", 60*60*24); // Default 24-hour ban
+ int64_t banTime = GetTime()+GetArg("-bantime", 60*60*24); // Default 24-hour ban
printf("Misbehaving: %s (%d -> %d) DISCONNECTING\n", addr.ToString().c_str(), nMisbehavior-howmuch, nMisbehavior);
{
LOCK(cs_setBanned);
X(nReleaseTime);
X(nStartingHeight);
X(nMisbehavior);
+ X(nSendBytes);
+ X(nRecvBytes);
+ stats.fSyncNode = (this == pnodeSync);
}
#undef X
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 (%"PRIszu" 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)
{
{
vSend.erase(vSend.begin(), vSend.begin() + nBytes);
pnode->nLastSend = GetTime();
+ pnode->nSendBytes += nBytes;
+ pnode->RecordBytesSent(nBytes);
}
else if (nBytes < 0)
{
// 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] = {
+ {"novacoin.karelia.pro", "dnsseed.novacoin.karelia.pro"},
{"novacoin.su", "dnsseed.novacoin.su"},
{"novacoin.ru", "dnsseed.novacoin.ru"},
+ {"novacoin.ru", "testseed.novacoin.ru"},
{"novaco.in", "dnsseed.novaco.in"},
};
-unsigned int pnSeed[] =
+uint32_t pnSeed[] =
{
- 0x90EF78BC, 0x33F1C851, 0x36F1C851, 0xC6F5C851,
+ 0x5360a653, 0x6c47bb25, 0x52568c5f, 0xc6f5c851, 0x6f17f3a2, 0x1d52a9d5, 0x2c1544c1, 0xb8748368,
+ 0x055d6ac1, 0x2490bb25, 0x614488d5, 0xa463f8a2, 0xc54c1256, 0xf72d9252, 0x548432c6, 0xade08368,
+ 0x02bf8f55, 0x79f81c48, 0xeb44a26d, 0x802c0856, 0xe3a8d772, 0xc661c852, 0xde30d4b0, 0x1044d079,
+ 0xa1e1485d, 0x269d5e02, 0x65ec8b5b, 0x4b78a605, 0xac9a1f5f, 0x307c7db0, 0xb75d4880, 0x31aaef53,
+ 0xe9433eb0, 0x8ce0861f, 0x1874695f, 0x6baef986, 0x06cfbf2e, 0x6c2e0082, 0x15e024b0, 0x0d0986bc,
+ 0xe7002d48, 0x064b2d05, 0xba568c5f, 0x3c93fa18, 0xfae6234d, 0xb06f5d02, 0x34e25d02, 0x559425b0,
+ 0x308eae6e, 0x48e15d02, 0x87fee36d, 0x647f5e02, 0xcbfe61bc, 0x3bf377d4, 0x1543075b, 0x3ee84980,
+ 0xde26482e, 0x66a65e02, 0x60cf0fb0, 0xf74c8e4f, 0x88d39a5e, 0x1c385e02, 0x62c4f460, 0x5b26df48,
+ 0x5249515d, 0x2b353f7d, 0xb6e34980, 0x5e7cd23e, 0x5ecc5e02, 0x9349515d, 0x31abbf2e, 0xa8675cb6,
+ 0xa8ce4762, 0x09e5d4b0, 0x6db26805, 0xb4f45d02, 0xfe07e555, 0xb6ab40bc, 0x8be25d02, 0x92bd345f,
+ 0x7122306c, 0x9254c248, 0x8dcc5e02, 0x0d1d5d02, 0x35a2805f, 0x404ef986, 0x5dab696d, 0xf153ad2e,
+ 0xc5c7a988, 0xfafd6d4a, 0xf172a7be, 0x09627bd9, 0x747d695f, 0xaa4a5d02, 0x4d226805, 0x6bb40ab9,
+ 0x67d61352,
};
void DumpAddresses()
{
- int64 nStart = GetTimeMillis();
+ int64_t nStart = GetTimeMillis();
CAddrDB adb;
adb.Write(addrman);
- printf("Flushed %d addresses to peers.dat %"PRI64d"ms\n",
+ printf("Flushed %d addresses to peers.dat %" PRId64 "ms\n",
addrman.size(), GetTimeMillis() - nStart);
}
// Connect to specific addresses
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"])
}
// Initiate network connections
- int64 nStart = GetTime();
+ int64_t nStart = GetTime();
while (true)
{
ProcessOneShot();
// 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;
+ const int64_t nOneWeek = 7*24*60*60;
struct in_addr ip;
memcpy(&ip, &pnSeed[i], sizeof(ip));
CAddress addr(CService(ip, GetDefaultPort()));
}
}
- int64 nANow = GetAdjustedTime();
+ int64_t nANow = GetAdjustedTime();
int nTries = 0;
while (true)
{
printf("ThreadOpenAddedConnections started\n");
- if (mapArgs.count("-addnode") == 0)
- return;
+ {
+ LOCK(cs_vAddedNodes);
+ vAddedNodes = mapMultiArgs["-addnode"];
+ }
if (HaveNameProxy()) {
while(!fShutdown) {
- BOOST_FOREACH(string& strAddNode, mapMultiArgs["-addnode"]) {
+ 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());
return;
}
- vector<vector<CService> > vservAddressesToAdd(0);
- BOOST_FOREACH(string& strAddNode, mapMultiArgs["-addnode"])
+ for (uint32_t i = 0; true; i++)
{
- vector<CService> vservNode(0);
- if(Lookup(strAddNode.c_str(), vservNode, GetDefaultPort(), fNameLookup, 0))
+ 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)
{
- vservAddressesToAdd.push_back(vservNode);
+ vector<CService> vservNode(0);
+ if (Lookup(strAddNode.c_str(), vservNode, GetDefaultPort(), fNameLookup, 0))
{
- LOCK(cs_setservAddNodeAddresses);
- BOOST_FOREACH(CService& serv, vservNode)
- setservAddNodeAddresses.insert(serv);
+ lservAddressesToAdd.push_back(vservNode);
+ {
+ LOCK(cs_setservAddNodeAddresses);
+ BOOST_FOREACH(CService& serv, vservNode)
+ setservAddNodeAddresses.insert(serv);
+ }
}
}
- }
- while (true)
- {
- vector<vector<CService> > vservConnectAddresses = vservAddressesToAdd;
// Attempt to connect to each IP for each addnode entry until at least one is successful per addnode entry
// (keeping in mind that addnode entries can have many IPs if fNameLookup)
{
LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
- for (vector<vector<CService> >::iterator it = vservConnectAddresses.begin(); it != vservConnectAddresses.end(); it++)
+ for (list<vector<CService> >::iterator it = lservAddressesToAdd.begin(); it != lservAddressesToAdd.end(); it++)
BOOST_FOREACH(CService& addrNode, *(it))
if (pnode->addr == addrNode)
{
- it = vservConnectAddresses.erase(it);
+ it = lservAddressesToAdd.erase(it);
it--;
break;
}
}
- BOOST_FOREACH(vector<CService>& vserv, vservConnectAddresses)
+ BOOST_FOREACH(vector<CService>& vserv, lservAddressesToAdd)
{
+ if (vserv.size() == 0)
+ continue;
CSemaphoreGrant grant(*semOutbound);
- OpenNetworkConnection(CAddress(*(vserv.begin())), &grant);
+ OpenNetworkConnection(CAddress(vserv[i % vserv.size()]), &grant);
Sleep(500);
if (fShutdown)
return;
return true;
}
+// for now, use a very simple selection metric: the node from which we received
+// most recently
+double static NodeSyncScore(const CNode *pnode) {
+ return -pnode->nLastRecv;
+}
-
-
-
-
-
+void static StartSync(const vector<CNode*> &vNodes) {
+ CNode *pnodeNewSync = NULL;
+ double dBestScore = 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
+ double dScore = NodeSyncScore(pnode);
+ if (pnodeNewSync == NULL || dScore > dBestScore) {
+ pnodeNewSync = pnode;
+ dBestScore = dScore;
+ }
+ }
+ }
+ // if a new sync candidate was found, start sync!
+ if (pnodeNewSync) {
+ pnodeNewSync->fStartSync = true;
+ pnodeSync = pnodeNewSync;
+ }
+}
void ThreadMessageHandler(void* parg)
{
SetThreadPriority(THREAD_PRIORITY_BELOW_NORMAL);
while (!fShutdown)
{
+ bool fHaveSyncNode = false;
vector<CNode*> vNodesCopy;
{
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())
printf("StopNode()\n");
fShutdown = true;
nTransactionsUpdated++;
- int64 nStart = GetTime();
+ int64_t nStart = GetTime();
{
LOCK(cs_main);
ThreadScriptCheckQuit();
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;
+}
git://git.novaco.in / novacoin.git / blobdiff