// Copyright (c) 2009-2010 Satoshi Nakamoto
// 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"
#ifdef WIN32
#include <string.h>
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 ThreadMapPort2(void* parg);
#endif
void ThreadDNSAddressSeed2(void* parg);
-bool OpenNetworkConnection(const CAddress& addrConnect);
+bool OpenNetworkConnection(const CAddress& addrConnect, CSemaphoreGrant *grantOutbound = NULL, const char *strDest = NULL, bool fOneShot = false);
+struct LocalServiceInfo {
+ int nScore;
+ int nPort;
+};
//
// Global state variables
//
bool fClient = false;
-bool fAllowDNS = false;
-static bool fUseUPnP = false;
-uint64 nLocalServices = (fClient ? 0 : NODE_NETWORK);
-CAddress addrLocalHost(CService("0.0.0.0", 0), nLocalServices);
+bool fDiscover = true;
+bool fUseUPnP = false;
+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, THREAD_MAX> vnThreadsRunning;
-static SOCKET hListenSocket = INVALID_SOCKET;
+static CNode* pnodeSync = NULL;
+CAddress addrSeenByPeer(CService("0.0.0.0", 0), 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<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;
-static CWaitableCriticalSection csOutbound;
-static int nOutbound = 0;
-static CConditionVariable condOutbound;
+static CSemaphore *semOutbound = NULL;
+void AddOneShot(string strDest)
+{
+ LOCK(cs_vOneShots);
+ vOneShots.push_back(strDest);
+}
unsigned short GetListenPort()
{
PushMessage("getblocks", CBlockLocator(pindexBegin), hashEnd);
}
+// find 'best' local address for a particular peer
+bool GetLocal(CService& addr, const CNetAddr *paddrPeer)
+{
+ if (fNoListen)
+ return false;
+
+ int nBestScore = -1;
+ int nBestReachability = -1;
+ {
+ LOCK(cs_mapLocalHost);
+ for (map<CNetAddr, LocalServiceInfo>::iterator it = mapLocalHost.begin(); it != mapLocalHost.end(); it++)
+ {
+ int nScore = (*it).second.nScore;
+ int nReachability = (*it).first.GetReachabilityFrom(paddrPeer);
+ if (nReachability > nBestReachability || (nReachability == nBestReachability && nScore > nBestScore))
+ {
+ addr = CService((*it).first, (*it).second.nPort);
+ nBestReachability = nReachability;
+ nBestScore = nScore;
+ }
+ }
+ }
+ return nBestScore >= 0;
+}
+// get best local address for a particular peer as a CAddress
+CAddress GetLocalAddress(const CNetAddr *paddrPeer)
+{
+ CAddress ret(CService("0.0.0.0",0),0);
+ CService addr;
+ if (GetLocal(addr, paddrPeer))
+ {
+ ret = CAddress(addr);
+ ret.nServices = nLocalServices;
+ ret.nTime = GetAdjustedTime();
+ }
+ return ret;
+}
bool RecvLine(SOCKET hSocket, string& strLine)
{
strLine = "";
- loop
+ while (true)
{
char c;
int nBytes = recv(hSocket, &c, 1, 0);
}
}
-
-
-bool GetMyExternalIP2(const CService& addrConnect, const char* pszGet, const char* pszKeyword, CNetAddr& ipRet)
+// used when scores of local addresses may have changed
+// pushes better local address to peers
+void static AdvertizeLocal()
{
- 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))
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes)
{
- if (strLine.empty()) // HTTP response is separated from headers by blank line
+ if (pnode->fSuccessfullyConnected)
{
- loop
+ CAddress addrLocal = GetLocalAddress(&pnode->addr);
+ if (addrLocal.IsRoutable() && (CService)addrLocal != (CService)pnode->addrLocal)
{
- if (!RecvLine(hSocket, strLine))
- {
- closesocket(hSocket);
- return false;
- }
- if (pszKeyword == NULL)
- break;
- if (strLine.find(pszKeyword) != -1)
- {
- strLine = strLine.substr(strLine.find(pszKeyword) + strlen(pszKeyword));
- break;
- }
+ pnode->PushAddress(addrLocal);
+ pnode->addrLocal = addrLocal;
}
- 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);
- 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");
}
-// We now get our external IP from the IRC server first and only use this as a backup
-bool GetMyExternalIP(CNetAddr& ipRet)
+void SetReachable(enum Network net, bool fFlag)
{
- CService addrConnect;
- const char* pszGet;
- const char* pszKeyword;
+ LOCK(cs_mapLocalHost);
+ vfReachable[net] = fFlag;
+ if (net == NET_IPV6 && fFlag)
+ vfReachable[NET_IPV4] = true;
+}
- if (fNoListen||fUseProxy)
+// learn a new local address
+bool AddLocal(const CService& addr, int nScore)
+{
+ if (!addr.IsRoutable())
return false;
- 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 webserver 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 (!fDiscover && nScore < LOCAL_MANUAL)
+ return false;
- if (nLookup == 1)
- {
- CService addrIP("www.showmyip.com", 80, true);
- if (addrIP.IsValid())
- addrConnect = addrIP;
- }
+ if (IsLimited(addr))
+ return false;
- 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";
+ printf("AddLocal(%s,%i)\n", addr.ToString().c_str(), nScore);
- pszKeyword = NULL; // Returns just IP address
+ {
+ 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();
}
-
- if (GetMyExternalIP2(addrConnect, pszGet, pszKeyword, ipRet))
- return true;
+ SetReachable(addr.GetNetwork());
}
- return false;
+ AdvertizeLocal();
+
+ return true;
}
-void ThreadGetMyExternalIP(void* parg)
+bool AddLocal(const CNetAddr &addr, int nScore)
{
- // Wait for IRC to get it first
- if (GetBoolArg("-irc", false))
- {
- for (int i = 0; i < 2 * 60; i++)
- {
- Sleep(1000);
- if (fGotExternalIP || fShutdown)
- return;
- }
- }
-
- // Fallback in case IRC fails to get it
- if (GetMyExternalIP(addrLocalHost))
- {
- printf("GetMyExternalIP() returned %s\n", addrLocalHost.ToStringIP().c_str());
- if (addrLocalHost.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);
- }
- }
+ return AddLocal(CService(addr, GetListenPort()), nScore);
}
-
-
-
-
-void AddressCurrentlyConnected(const CService& addr)
+/** Make a particular network entirely off-limits (no automatic connects to it) */
+void SetLimited(enum Network net, bool fLimited)
{
- addrman.Connected(addr);
+ 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());
+}
-
-
-void AbandonRequests(void (*fn)(void*, CDataStream&), void* param1)
+/** vote for a local address */
+bool SeenLocal(const CService& addr)
{
- // 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++;
- }
- }
- }
+ 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 = 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;
}
-
- vfSubscribe[nChannel] = true;
+ return false;
}
-void CNode::CancelSubscribe(unsigned int nChannel)
+void ThreadGetMyExternalIP(void* parg)
{
- if (nChannel >= vfSubscribe.size())
- return;
+ // Make this thread recognisable as the external IP detection thread
+ RenameThread("novacoin-ext-ip");
- // Prevent from relaying cancel if wasn't subscribed
- if (!vfSubscribe[nChannel])
- return;
- vfSubscribe[nChannel] = false;
-
- 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);
+}
+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 ((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(std::string addrName)
+{
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes)
+ if (pnode->addrName == addrName)
+ return (pnode);
return NULL;
}
CNode* FindNode(const CService& addr)
{
- CRITICAL_BLOCK(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, int64 nTimeout)
+CNode* ConnectNode(CAddress addrConnect, const char *pszDest, int64_t nTimeout)
{
- if ((CNetAddr)addrConnect == (CNetAddr)addrLocalHost)
- return NULL;
+ 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;
+ // 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\n",
- addrConnect.ToString().c_str(),
- (double)(addrConnect.nTime - GetAdjustedTime())/3600.0);
-
- addrman.Attempt(addrConnect);
+ 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);
- WAITABLE_CRITICAL_BLOCK(csOutbound)
- nOutbound++;
+ }
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());
+ printf("disconnecting node %s\n", addrName.c_str());
closesocket(hSocket);
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()
{
- // 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.
-
- // Cancel subscriptions
- for (unsigned int nChannel = 0; nChannel < vfSubscribe.size(); nChannel++)
- if (vfSubscribe[nChannel])
- CancelSubscribe(nChannel);
}
void CNode::PushVersion()
{
/// when NTP implemented, change to just nTime = GetAdjustedTime()
- int64 nTime = (fInbound ? GetAdjustedTime() : GetTime());
- CAddress addrYou = (fUseProxy ? CAddress(CService("0.0.0.0",0)) : addr);
- CAddress addrMe = (fUseProxy || !addrLocalHost.IsRoutable() ? CAddress(CService("0.0.0.0",0)) : addrLocalHost);
+ 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));
+ 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<CNetAddr, int64> CNode::setBanned;
+std::map<CNetAddr, int64_t> CNode::setBanned;
CCriticalSection CNode::cs_setBanned;
void CNode::ClearBanned()
bool CNode::IsBanned(CNetAddr ip)
{
bool fResult = false;
- CRITICAL_BLOCK(cs_setBanned)
{
- std::map<CNetAddr, 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))
{
- int64 banTime = GetTime()+GetArg("-bantime", 60*60*24); // Default 24-hour ban
- CRITICAL_BLOCK(cs_setBanned)
+ 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);
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 ThreadSocketHandler(void* parg)
{
- IMPLEMENT_RANDOMIZE_STACK(ThreadSocketHandler(parg));
+ // Make this thread recognisable as the networking thread
+ RenameThread("novacoin-net");
+
try
{
vnThreadsRunning[THREAD_SOCKETHANDLER]++;
vnThreadsRunning[THREAD_SOCKETHANDLER]--;
throw; // support pthread_cancel()
}
- printf("ThreadSocketHandler exiting\n");
+ printf("ThreadSocketHandler exited\n");
}
void ThreadSocketHandler2(void* parg)
{
printf("ThreadSocketHandler started\n");
list<CNode*> vNodesDisconnected;
- int nPrevNodeCount = 0;
+ unsigned int nPrevNodeCount = 0;
- loop
+ while (true)
{
//
// 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());
- if (!pnode->fInbound)
- WAITABLE_CRITICAL_BLOCK(csOutbound)
- {
- nOutbound--;
-
- // Connection slot(s) were removed, notify connection creator(s)
- NOTIFY(condOutbound);
- }
+ // release outbound grant (if any)
+ pnode->grantOutbound.Release();
// close socket and cleanup
pnode->CloseSocketDisconnect();
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[THREAD_SOCKETHANDLER]--;
- int nSelect = select(hSocketMax + 1, &fdsetRecv, &fdsetSend, &fdsetError, &timeout);
+ 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;
int nInbound = 0;
if (hSocket != INVALID_SOCKET)
- addr = CAddress(sockaddr);
+ if (!addr.SetSockAddr((const struct sockaddr*)&sockaddr))
+ printf("Warning: Unknown socket family\n");
- CRITICAL_BLOCK(cs_vNodes)
+ {
+ 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)
{
- CRITICAL_BLOCK(cs_setservAddNodeAddresses)
+ {
+ LOCK(cs_setservAddNodeAddresses);
if (!setservAddNodeAddresses.count(addr))
closesocket(hSocket);
+ }
}
else if (CNode::IsBanned(addr))
{
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();
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)
{
+ LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodesCopy)
pnode->Release();
}
#ifdef USE_UPNP
void ThreadMapPort(void* parg)
{
- IMPLEMENT_RANDOMIZE_STACK(ThreadMapPort(parg));
+ // Make this thread recognisable as the UPnP thread
+ RenameThread("novacoin-UPnP");
+
try
{
vnThreadsRunning[THREAD_UPNP]++;
vnThreadsRunning[THREAD_UPNP]--;
PrintException(NULL, "ThreadMapPort()");
}
- printf("ThreadMapPort exiting\n");
+ printf("ThreadMapPort exited\n");
}
void ThreadMapPort2(void* parg)
{
printf("ThreadMapPort started\n");
- char port[6];
- sprintf(port, "%d", GetListenPort());
-
+ std::string port = strprintf("%u", GetListenPort());
const char * multicastif = 0;
const char * minissdpdpath = 0;
struct UPNPDev * devlist = 0;
r = UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr));
if (r == 1)
{
- if (!addrLocalHost.IsRoutable())
- {
+ if (fDiscover) {
char externalIPAddress[40];
r = UPNP_GetExternalIPAddress(urls.controlURL, data.first.servicetype, externalIPAddress);
if(r != UPNPCOMMAND_SUCCESS)
if(externalIPAddress[0])
{
printf("UPnP: ExternalIPAddress = %s\n", externalIPAddress);
- CAddress addrExternalFromUPnP(CService(externalIPAddress, 0), nLocalServices);
- if (addrExternalFromUPnP.IsRoutable())
- addrLocalHost = addrExternalFromUPnP;
+ AddLocal(CNetAddr(externalIPAddress), LOCAL_UPNP);
}
else
printf("UPnP: GetExternalIPAddress failed.\n");
}
}
- string strDesc = "Bitcoin " + FormatFullVersion();
+ string strDesc = "NovaCoin " + FormatFullVersion();
#ifndef UPNPDISCOVER_SUCCESS
/* miniupnpc 1.5 */
r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
- port, port, lanaddr, strDesc.c_str(), "TCP", 0);
+ port.c_str(), port.c_str(), 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");
+ port.c_str(), port.c_str(), 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));
+ port.c_str(), port.c_str(), lanaddr, r, strupnperror(r));
else
printf("UPnP Port Mapping successful.\n");
int i = 1;
- loop {
+ while (true)
+ {
if (fShutdown || !fUseUPnP)
{
- r = UPNP_DeletePortMapping(urls.controlURL, data.first.servicetype, port, "TCP", 0);
+ r = UPNP_DeletePortMapping(urls.controlURL, data.first.servicetype, port.c_str(), "TCP", 0);
printf("UPNP_DeletePortMapping() returned : %d\n", r);
freeUPNPDevlist(devlist); devlist = 0;
FreeUPNPUrls(&urls);
#ifndef UPNPDISCOVER_SUCCESS
/* miniupnpc 1.5 */
r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype,
- port, port, lanaddr, strDesc.c_str(), "TCP", 0);
+ port.c_str(), port.c_str(), 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");
+ port.c_str(), port.c_str(), 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));
+ port.c_str(), port.c_str(), lanaddr, r, strupnperror(r));
else
printf("UPnP Port Mapping successful.\n");;
}
freeUPNPDevlist(devlist); devlist = 0;
if (r != 0)
FreeUPNPUrls(&urls);
- loop {
+ while (true)
+ {
if (fShutdown || !fUseUPnP)
return;
Sleep(2000);
}
}
-void MapPort(bool fMapPort)
+void MapPort()
{
- if (fUseUPnP != fMapPort)
- {
- fUseUPnP = fMapPort;
- }
if (fUseUPnP && vnThreadsRunning[THREAD_UPNP] < 1)
{
- if (!CreateThread(ThreadMapPort, NULL))
+ if (!NewThread(ThreadMapPort, NULL))
printf("Error: ThreadMapPort(ThreadMapPort) failed\n");
}
}
#else
-void MapPort(bool /* unused fMapPort */)
+void MapPort()
{
// Intentionally left blank.
}
// 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] = {
- {"xf2.org", "bitseed.xf2.org"},
- {"bluematt.me", "dnsseed.bluematt.me"},
- {"bitcoin.sipa.be", "seed.bitcoin.sipa.be"},
- {"dashjr.org", "dnsseed.bitcoin.dashjr.org"},
+ {"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"},
};
void ThreadDNSAddressSeed(void* parg)
{
- IMPLEMENT_RANDOMIZE_STACK(ThreadDNSAddressSeed(parg));
+ // Make this thread recognisable as the DNS seeding thread
+ RenameThread("novacoin-dnsseed");
+
try
{
vnThreadsRunning[THREAD_DNSSEED]++;
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<CNetAddr> vaddr;
- vector<CAddress> vAdd;
- if (LookupHost(strDNSSeed[seed_idx][1], vaddr))
- {
- BOOST_FOREACH(CNetAddr& ip, 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))
{
- int nOneDay = 24*3600;
- 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++;
+ BOOST_FOREACH(CNetAddr& ip, vaddr)
+ {
+ int nOneDay = 24*3600;
+ 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++;
+ }
}
+ addrman.Add(vAdd, CNetAddr(strDNSSeed[seed_idx][0], true));
}
- addrman.Add(vAdd, CNetAddr(strDNSSeed[seed_idx][0], true));
}
}
-unsigned int pnSeed[] =
+uint32_t pnSeed[] =
{
- 0x959bd347, 0xf8de42b2, 0x73bc0518, 0xea6edc50, 0x21b00a4d, 0xc725b43d, 0xd665464d, 0x1a2a770e,
- 0x27c93946, 0x65b2fa46, 0xb80ae255, 0x66b3b446, 0xb1877a3e, 0x6ee89e3e, 0xc3175b40, 0x2a01a83c,
- 0x95b1363a, 0xa079ad3d, 0xe6ca801f, 0x027f4f4a, 0x34f7f03a, 0xf790f04a, 0x16ca801f, 0x2f4d5e40,
- 0x3a4d5e40, 0xc43a322e, 0xc8159753, 0x14d4724c, 0x7919a118, 0xe0bdb34e, 0x68a16b2e, 0xff64b44d,
- 0x6099115b, 0x9b57b05b, 0x7bd1b4ad, 0xdf95944f, 0x29d2b73d, 0xafa8db79, 0xe247ba41, 0x24078348,
- 0xf722f03c, 0x33567ebc, 0xace64ed4, 0x984d3932, 0xb5f34e55, 0x27b7024d, 0x94579247, 0x8894042e,
- 0x9357d34c, 0x1063c24b, 0xcaa228b1, 0xa3c5a8b2, 0x5dc64857, 0xa2c23643, 0xa8369a54, 0x31203077,
- 0x00707c5c, 0x09fc0b3a, 0x272e9e2e, 0xf80f043e, 0x9449ca3e, 0x5512c33e, 0xd106b555, 0xe8024157,
- 0xe288ec29, 0xc79c5461, 0xafb63932, 0xdb02ab4b, 0x0e512777, 0x8a145a4c, 0xb201ff4f, 0x5e09314b,
- 0xcd9bfbcd, 0x1c023765, 0x4394e75c, 0xa728bd4d, 0x65331552, 0xa98420b1, 0x89ecf559, 0x6e80801f,
- 0xf404f118, 0xefd62b51, 0x05918346, 0x9b186d5f, 0xacabab46, 0xf912e255, 0xc188ea62, 0xcc55734e,
- 0xc668064d, 0xd77a4558, 0x46201c55, 0xf17dfc80, 0xf7142f2e, 0x87bfb718, 0x8aa54fb2, 0xc451d518,
- 0xc4ae8831, 0x8dd44d55, 0x5bbd206c, 0x64536b5d, 0x5c667e60, 0x3b064242, 0xfe963a42, 0xa28e6dc8,
- 0xe8a9604a, 0xc989464e, 0xd124a659, 0x50065140, 0xa44dfe5e, 0x1079e655, 0x3fb986d5, 0x47895b18,
- 0x7d3ce4ad, 0x4561ba50, 0x296eec62, 0x255b41ad, 0xaed35ec9, 0x55556f12, 0xc7d3154d, 0x3297b65d,
- 0x8930121f, 0xabf42e4e, 0x4a29e044, 0x1212685d, 0x676c1e40, 0xce009744, 0x383a8948, 0xa2dbd0ad,
- 0xecc2564d, 0x07dbc252, 0x887ee24b, 0x5171644c, 0x6bb798c1, 0x847f495d, 0x4cbb7145, 0x3bb81c32,
- 0x45eb262e, 0xc8015a4e, 0x250a361b, 0xf694f946, 0xd64a183e, 0xd4f1dd59, 0x8f20ffd4, 0x51d9e55c,
- 0x09521763, 0x5e02002e, 0x32c8074d, 0xe685762e, 0x8290b0bc, 0x762a922e, 0xfc5ee754, 0x83a24829,
- 0x775b224d, 0x6295bb4d, 0x38ec0555, 0xbffbba50, 0xe5560260, 0x86b16a7c, 0xd372234e, 0x49a3c24b,
- 0x2f6a171f, 0x4d75ed60, 0xae94115b, 0xcb543744, 0x63080c59, 0x3f9c724c, 0xc977ce18, 0x532efb18,
- 0x69dc3b2e, 0x5f94d929, 0x1732bb4d, 0x9c814b4d, 0xe6b3762e, 0xc024f662, 0x8face35b, 0x6b5b044d,
- 0x798c7b57, 0x79a6b44c, 0x067d3057, 0xf9e94e5f, 0x91cbe15b, 0x71405eb2, 0x2662234e, 0xcbcc4a6d,
- 0xbf69d54b, 0xa79b4e55, 0xec6d3e51, 0x7c0b3c02, 0x60f83653, 0x24c1e15c, 0x1110b62e, 0x10350f59,
- 0xa56f1d55, 0x3509e7a9, 0xeb128354, 0x14268e2e, 0x934e28bc, 0x8e32692e, 0x8331a21f, 0x3e633932,
- 0xc812b12e, 0xc684bf2e, 0x80112d2e, 0xe0ddc96c, 0xc630ca4a, 0x5c09b3b2, 0x0b580518, 0xc8e9d54b,
- 0xd169aa43, 0x17d0d655, 0x1d029963, 0x7ff87559, 0xcb701f1f, 0x6fa3e85d, 0xe45e9a54, 0xf05d1802,
- 0x44d03b2e, 0x837b692e, 0xccd4354e, 0x3d6da13c, 0x3423084d, 0xf707c34a, 0x55f6db3a, 0xad26e442,
- 0x6233a21f, 0x09e80e59, 0x8caeb54d, 0xbe870941, 0xb407d20e, 0x20b51018, 0x56fb152e, 0x460d2a4e,
- 0xbb9a2946, 0x560eb12e, 0xed83dd29, 0xd6724f53, 0xa50aafb8, 0x451346d9, 0x88348e2e, 0x7312fead,
- 0x8ecaf96f, 0x1bda4e5f, 0xf1671e40, 0x3c8c3e3b, 0x4716324d, 0xdde24ede, 0xf98cd17d, 0xa91d4644,
- 0x28124eb2, 0x147d5129, 0xd022042e, 0x61733d3b, 0xad0d5e02, 0x8ce2932e, 0xe5c18502, 0x549c1e32,
- 0x9685801f, 0x86e217ad, 0xd948214b, 0x4110f462, 0x3a2e894e, 0xbd35492e, 0x87e0d558, 0x64b8ef7d,
- 0x7c3eb962, 0x72a84b3e, 0x7cd667c9, 0x28370a2e, 0x4bc60e7b, 0x6fc1ec60, 0x14a6983f, 0x86739a4b,
- 0x46954e5f, 0x32e2e15c, 0x2e9326cf, 0xe5801c5e, 0x379607b2, 0x32151145, 0xf0e39744, 0xacb54c55,
- 0xa37dfb60, 0x83b55cc9, 0x388f7ca5, 0x15034f5f, 0x3e94965b, 0x68e0ffad, 0x35280f59, 0x8fe190cf,
- 0x7c6ba5b2, 0xa5e9db43, 0x4ee1fc60, 0xd9d94e5f, 0x04040677, 0x0ea9b35e, 0x5961f14f, 0x67fda063,
- 0xa48a5a31, 0xc6524e55, 0x283d325e, 0x3f37515f, 0x96b94b3e, 0xacce620e, 0x6481cc5b, 0xa4a06d4b,
- 0x9e95d2d9, 0xe40c03d5, 0xc2f4514b, 0xb79aad44, 0xf64be843, 0xb2064070, 0xfca00455, 0x429dfa4e,
- 0x2323f173, 0xeda4185e, 0xabd5227d, 0x9efd4d58, 0xb1104758, 0x4811e955, 0xbd9ab355, 0xe921f44b,
- 0x9f166dce, 0x09e279b2, 0xe0c9ac7b, 0x7901a5ad, 0xa145d4b0, 0x79104671, 0xec31e35a, 0x4fe0b555,
- 0xc7d9cbad, 0xad057f55, 0xe94cc759, 0x7fe0b043, 0xe4529f2e, 0x0d4dd4b2, 0x9f11a54d, 0x031e2e4e,
- 0xe6014f5f, 0x11d1ca6c, 0x26bd7f61, 0xeb86854f, 0x4d347b57, 0x116bbe2e, 0xdba7234e, 0x7bcbfd2e,
- 0x174dd4b2, 0x6686762e, 0xb089ba50, 0xc6258246, 0x087e767b, 0xc4a8cb4a, 0x595dba50, 0x7f0ae502,
- 0x7b1dbd5a, 0xa0603492, 0x57d1af4b, 0x9e21ffd4, 0x6393064d, 0x7407376e, 0xe484762e, 0x122a4e53,
- 0x4a37aa43, 0x3888a6be, 0xee77864e, 0x039c8dd5, 0x688d89af, 0x0e988f62, 0x08218246, 0xfc2f8246,
- 0xd1d97040, 0xd64cd4b2, 0x5ae4a6b8, 0x7d0de9bc, 0x8d304d61, 0x06c5c672, 0xa4c8bd4d, 0xe0fd373b,
- 0x575ebe4d, 0x72d26277, 0x55570f55, 0x77b154d9, 0xe214293a, 0xfc740f4b, 0xfe3f6a57, 0xa9c55f02,
- 0xae4054db, 0x2394d918, 0xb511b24a, 0xb8741ab2, 0x0758e65e, 0xc7b5795b, 0xb0a30a4c, 0xaf7f170c,
- 0xf3b4762e, 0x8179576d, 0x738a1581, 0x4b95b64c, 0x9829b618, 0x1bea932e, 0x7bdeaa4b, 0xcb5e0281,
- 0x65618f54, 0x0658474b, 0x27066acf, 0x40556d65, 0x7d204d53, 0xf28bc244, 0xdce23455, 0xadc0ff54,
- 0x3863c948, 0xcee34e5f, 0xdeb85e02, 0x2ed17a61, 0x6a7b094d, 0x7f0cfc40, 0x59603f54, 0x3220afbc,
- 0xb5dfd962, 0x125d21c0, 0x13f8d243, 0xacfefb4e, 0x86c2c147, 0x3d8bbd59, 0xbd02a21f, 0x2593042e,
- 0xc6a17a7c, 0x28925861, 0xb487ed44, 0xb5f4fd6d, 0x90c28a45, 0x5a14f74d, 0x43d71b4c, 0x728ebb5d,
- 0x885bf950, 0x08134dd0, 0x38ec046e, 0xc575684b, 0x50082d2e, 0xa2f47757, 0x270f86ae, 0xf3ff6462,
- 0x10ed3f4e, 0x4b58d462, 0xe01ce23e, 0x8c5b092e, 0x63e52f4e, 0x22c1e85d, 0xa908f54e, 0x8591624f,
- 0x2c0fb94e, 0xa280ba3c, 0xb6f41b4c, 0x24f9aa47, 0x27201647, 0x3a3ea6dc, 0xa14fc3be, 0x3c34bdd5,
- 0x5b8d4f5b, 0xaadeaf4b, 0xc71cab50, 0x15697a4c, 0x9a1a734c, 0x2a037d81, 0x2590bd59, 0x48ec2741,
- 0x53489c5b, 0x7f00314b, 0x2170d362, 0xf2e92542, 0x42c10b44, 0x98f0f118, 0x883a3456, 0x099a932e,
- 0xea38f7bc, 0x644e9247, 0xbb61b62e, 0x30e0863d, 0x5f51be54, 0x207215c7, 0x5f306c45, 0xaa7f3932,
- 0x98da7d45, 0x4e339b59, 0x2e411581, 0xa808f618, 0xad2c0c59, 0x54476741, 0x09e99fd1, 0x5db8f752,
- 0xc16df8bd, 0x1dd4b44f, 0x106edf2e, 0x9e15c180, 0x2ad6b56f, 0x633a5332, 0xff33787c, 0x077cb545,
- 0x6610be6d, 0x75aad2c4, 0x72fb4d5b, 0xe81e0f59, 0x576f6332, 0x47333373, 0x351ed783, 0x2d90fb50,
- 0x8d5e0f6c, 0x5b27a552, 0xdb293ebb, 0xe55ef950, 0x4b133ad8, 0x75df975a, 0x7b6a8740, 0xa899464b,
- 0xfab15161, 0x10f8b64d, 0xd055ea4d, 0xee8e146b, 0x4b14afb8, 0x4bc1c44a, 0x9b961dcc, 0xd111ff43,
- 0xfca0b745, 0xc800e412, 0x0afad9d1, 0xf751c350, 0xf9f0cccf, 0xa290a545, 0x8ef13763, 0x7ec70d59,
- 0x2b066acf, 0x65496c45, 0xade02c1b, 0xae6eb077, 0x92c1e65b, 0xc064e6a9, 0xc649e56d, 0x5287a243,
- 0x36de4f5b, 0x5b1df6ad, 0x65c39a59, 0xdba805b2, 0x20067aa8, 0x6457e56d, 0x3cee26cf, 0xfd3ff26d,
- 0x04f86d4a, 0x06b8e048, 0xa93bcd5c, 0x91135852, 0xbe90a643, 0x8fa0094d, 0x06d8215f, 0x2677094d,
- 0xd735685c, 0x164a00c9, 0x5209ac5f, 0xa9564c5c, 0x3b504f5f, 0xcc826bd0, 0x4615042e, 0x5fe13b4a,
- 0x8c81b86d, 0x879ab68c, 0x1de564b8, 0x434487d8, 0x2dcb1b63, 0x82ab524a, 0xb0676abb, 0xa13d9c62,
- 0xdbb5b86d, 0x5b7f4b59, 0xaddfb44d, 0xad773532, 0x3997054c, 0x72cebd89, 0xb194544c, 0xc5b8046e,
- 0x6e1adeb2, 0xaa5abb51, 0xefb54b44, 0x15efc54f, 0xe9f1bc4d, 0x5f401b6c, 0x97f018ad, 0xc82f9252,
- 0x2cdc762e, 0x8e52e56d, 0x1827175e, 0x9b7d7d80, 0xb2ad6845, 0x51065140, 0x71180a18, 0x5b27006c,
- 0x0621e255, 0x721cbe58, 0x670c0cb8, 0xf8bd715d, 0xe0bdc5d9, 0xed843501, 0x4b84554d, 0x7f1a18bc,
- 0x53bcaf47, 0x5729d35f, 0xf0dda246, 0x22382bd0, 0x4d641fb0, 0x316afcde, 0x50a22f1f, 0x73608046,
- 0xc461d84a, 0xb2dbe247,
+ 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_t nStart = GetTimeMillis();
+
CAddrDB adb;
- adb.WriteAddrman(addrman);
+ adb.Write(addrman);
+
+ printf("Flushed %d addresses to peers.dat %" PRId64 "ms\n",
+ addrman.size(), GetTimeMillis() - nStart);
}
void ThreadDumpAddress2(void* parg)
{
DumpAddresses();
vnThreadsRunning[THREAD_DUMPADDRESS]--;
- Sleep(100000);
+ Sleep(600000);
vnThreadsRunning[THREAD_DUMPADDRESS]++;
}
vnThreadsRunning[THREAD_DUMPADDRESS]--;
void ThreadDumpAddress(void* parg)
{
- IMPLEMENT_RANDOMIZE_STACK(ThreadDumpAddress(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 exiting\n");
+ 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[THREAD_OPENCONNECTIONS]++;
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);
+ }
+}
+
+// ppcoin: stake minter thread
+void static ThreadStakeMinter(void* parg)
+{
+ printf("ThreadStakeMinter started\n");
+ CWallet* pwallet = (CWallet*)parg;
+ try
+ {
+ vnThreadsRunning[THREAD_MINTER]++;
+ StakeMiner(pwallet);
+ vnThreadsRunning[THREAD_MINTER]--;
+ }
+ catch (std::exception& e) {
+ vnThreadsRunning[THREAD_MINTER]--;
+ PrintException(&e, "ThreadStakeMinter()");
+ } catch (...) {
+ vnThreadsRunning[THREAD_MINTER]--;
+ PrintException(NULL, "ThreadStakeMinter()");
+ }
+ printf("ThreadStakeMinter exiting, %d threads remaining\n", vnThreadsRunning[THREAD_MINTER]);
}
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(CService(strAddr, GetDefaultPort(), 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;
}
}
+ Sleep(500);
}
}
// Initiate network connections
- int64 nStart = GetTime();
- loop
+ int64_t nStart = GetTime();
+ while (true)
{
+ ProcessOneShot();
+
vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
Sleep(500);
vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
if (fShutdown)
return;
- // Limit outbound connections
- int nMaxOutbound = min(MAX_OUTBOUND_CONNECTIONS, (int)GetArg("-maxconnections", 125));
+
vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
- WAITABLE_CRITICAL_BLOCK(csOutbound)
- WAIT(condOutbound, fShutdown || nOutbound < nMaxOutbound);
+ CSemaphoreGrant grant(*semOutbound);
vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
if (fShutdown)
return;
- bool fAddSeeds = false;
-
// Add seed nodes if IRC isn't working
- bool fTOR = (fUseProxy && addrProxy.GetPort() == 9050);
- if (addrman.size()==0 && (GetTime() - nStart > 60 || fTOR) && !fTestNet)
+ if (addrman.size()==0 && (GetTime() - nStart > 60) && !fTestNet)
{
std::vector<CAddress> vAdd;
- for (int i = 0; i < ARRAYLEN(pnSeed); i++)
+ 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;
+ const int64_t nOneWeek = 7*24*60*60;
struct in_addr ip;
memcpy(&ip, &pnSeed[i], sizeof(ip));
CAddress addr(CService(ip, GetDefaultPort()));
// Choose an address to connect to based on most recently seen
//
CAddress addrConnect;
- int64 nBest = std::numeric_limits<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.
+ int nOutbound = 0;
set<vector<unsigned char> > setConnected;
- CRITICAL_BLOCK(cs_vNodes)
- BOOST_FOREACH(CNode* pnode, vNodes)
- setConnected.insert(pnode->addr.GetGroup());
+ {
+ LOCK(cs_vNodes);
+ BOOST_FOREACH(CNode* pnode, vNodes) {
+ if (!pnode->fInbound) {
+ setConnected.insert(pnode->addr.GetGroup());
+ nOutbound++;
+ }
+ }
+ }
- int64 nANow = GetAdjustedTime();
+ int64_t nANow = GetAdjustedTime();
int nTries = 0;
- loop
+ while (true)
{
// use an nUnkBias between 10 (no outgoing connections) and 90 (8 outgoing connections)
CAddress addr = addrman.Select(10 + min(nOutbound,8)*10);
// if we selected an invalid address, restart
- if (!addr.IsIPv4() || !addr.IsValid() || setConnected.count(addr.GetGroup()) || addr == addrLocalHost)
+ if (!addr.IsValid() || setConnected.count(addr.GetGroup()) || IsLocal(addr))
break;
+ // 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)
}
if (addrConnect.IsValid())
- OpenNetworkConnection(addrConnect);
+ OpenNetworkConnection(addrConnect, &grant);
}
}
void ThreadOpenAddedConnections(void* parg)
{
- IMPLEMENT_RANDOMIZE_STACK(ThreadOpenAddedConnections(parg));
+ // Make this thread recognisable as the connection opening thread
+ RenameThread("novacoin-opencon");
+
try
{
vnThreadsRunning[THREAD_ADDEDCONNECTIONS]++;
vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
PrintException(NULL, "ThreadOpenAddedConnections()");
}
- printf("ThreadOpenAddedConnections exiting\n");
+ printf("ThreadOpenAddedConnections exited\n");
}
void ThreadOpenAddedConnections2(void* parg)
if (mapArgs.count("-addnode") == 0)
return;
+ if (HaveNameProxy()) {
+ while(!fShutdown) {
+ BOOST_FOREACH(string& strAddNode, mapMultiArgs["-addnode"]) {
+ 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;
+ }
+
vector<vector<CService> > vservAddressesToAdd(0);
BOOST_FOREACH(string& strAddNode, mapMultiArgs["-addnode"])
{
vector<CService> vservNode(0);
- if(Lookup(strAddNode.c_str(), vservNode, GetDefaultPort(), fAllowDNS, 0))
+ if(Lookup(strAddNode.c_str(), vservNode, GetDefaultPort(), fNameLookup, 0))
{
vservAddressesToAdd.push_back(vservNode);
- CRITICAL_BLOCK(cs_setservAddNodeAddresses)
+ {
+ LOCK(cs_setservAddNodeAddresses);
BOOST_FOREACH(CService& serv, vservNode)
setservAddNodeAddresses.insert(serv);
+ }
}
}
- loop
+ 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 fAllowDNS)
- CRITICAL_BLOCK(cs_vNodes)
+ // (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++)
BOOST_FOREACH(CService& addrNode, *(it))
it--;
break;
}
+ }
BOOST_FOREACH(vector<CService>& vserv, vservConnectAddresses)
{
- OpenNetworkConnection(CAddress(*(vserv.begin())));
+ CSemaphoreGrant grant(*semOutbound);
+ OpenNetworkConnection(CAddress(*(vserv.begin())), &grant);
Sleep(500);
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 ((CNetAddr)addrConnect == (CNetAddr)addrLocalHost || !addrConnect.IsIPv4() ||
- FindNode((CNetAddr)addrConnect) || CNode::IsBanned(addrConnect))
+ 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[THREAD_OPENCONNECTIONS]--;
- CNode* pnode = ConnectNode(addrConnect);
+ 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
+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)
{
- IMPLEMENT_RANDOMIZE_STACK(ThreadMessageHandler(parg));
+ // Make this thread recognisable as the message handling thread
+ RenameThread("novacoin-msghand");
+
try
{
vnThreadsRunning[THREAD_MESSAGEHANDLER]++;
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())
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, pnode == pnodeTrickle);
+ }
if (fShutdown)
return;
}
- CRITICAL_BLOCK(cs_vNodes)
{
+ LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodesCopy)
pnode->Release();
}
vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
Sleep(100);
if (fRequestShutdown)
- Shutdown(NULL);
+ StartShutdown();
vnThreadsRunning[THREAD_MESSAGEHANDLER]++;
if (fShutdown)
return;
-bool BindListenPort(string& strError)
+bool BindListenPort(const CService &addrBind, string& strError)
{
strError = "";
int nOne = 1;
- addrLocalHost.SetPort(GetListenPort());
#ifdef WIN32
// Initialize Windows Sockets
#endif
// Create socket for listening for incoming connections
- hListenSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
+#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: bind address family for %s not supported", addrBind.ToString().c_str());
+ printf("%s\n", strError.c_str());
+ return false;
+ }
+
+ 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());
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 = 10 /* PROTECTION_LEVEL_UNRESTRICTED */;
+ int nParameterId = 23 /* IPV6_PROTECTION_LEVEl */;
+ // this call is allowed to fail
+ setsockopt(hListenSocket, IPPROTO_IPV6, nParameterId, (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());
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)
return false;
}
+ vhListenSocket.push_back(hListenSocket);
+
+ if (addrBind.IsRoutable() && fDiscover)
+ AddLocal(addrBind, LOCAL_BIND);
+
return true;
}
-void StartNode(void* parg)
+void static Discover()
{
-#ifdef USE_UPNP
-#if USE_UPNP
- fUseUPnP = GetBoolArg("-upnp", true);
-#else
- fUseUPnP = GetBoolArg("-upnp", false);
-#endif
-#endif
-
- if (pnodeLocalHost == NULL)
- pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress(CService("127.0.0.1", 0), 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<CNetAddr> vaddr;
if (LookupHost(pszHostName, vaddr))
+ {
BOOST_FOREACH (const CNetAddr &addr, vaddr)
- if (!addr.IsLocal())
- {
- addrLocalHost.SetIP(addr);
- break;
- }
+ {
+ 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(CService(s4->sin_addr, GetListenPort()), nLocalServices);
- if (addr.IsValid() && !addr.IsLocal())
- {
- 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.SetIP(CNetAddr("0.0.0.0"));
- 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, (int)GetArg("-maxconnections", 125));
+ semOutbound = new CSemaphore(nMaxOutbound);
}
+ if (pnodeLocalHost == NULL)
+ pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress(CService("127.0.0.1", 0), nLocalServices));
+
+ Discover();
+
//
// Start threads
//
if (!GetBoolArg("-dnsseed", true))
printf("DNS seeding disabled\n");
else
- if (!CreateThread(ThreadDNSAddressSeed, NULL))
- printf("Error: CreateThread(ThreadDNSAddressSeed) failed\n");
+ if (!NewThread(ThreadDNSAddressSeed, NULL))
+ printf("Error: NewThread(ThreadDNSAddressSeed) failed\n");
// Map ports with UPnP
- if (fHaveUPnP)
- MapPort(fUseUPnP);
+ if (fUseUPnP)
+ MapPort();
// Get addresses from IRC and advertise ours
- if (!CreateThread(ThreadIRCSeed, NULL))
- printf("Error: CreateThread(ThreadIRCSeed) failed\n");
+ 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 (!CreateThread(ThreadOpenAddedConnections, NULL))
- printf("Error: CreateThread(ThreadOpenAddedConnections) failed\n");
+ 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 (!CreateThread(ThreadDumpAddress, NULL))
- printf("Error; CreateThread(ThreadDumpAddress) failed\n");
+ if (!NewThread(ThreadDumpAddress, NULL))
+ printf("Error; NewThread(ThreadDumpAddress) failed\n");
- // Generate coins in the background
- GenerateBitcoins(GetBoolArg("-gen", false), pwalletMain);
+ // ppcoin: mint proof-of-stake blocks in the background
+ if (!NewThread(ThreadStakeMinter, pwalletMain))
+ printf("Error: NewThread(ThreadStakeMinter) failed\n");
}
bool StopNode()
printf("StopNode()\n");
fShutdown = true;
nTransactionsUpdated++;
- int64 nStart = GetTime();
- NOTIFY_ALL(condOutbound);
+ int64_t nStart = GetTime();
+ {
+ LOCK(cs_main);
+ ThreadScriptCheckQuit();
+ }
+ if (semOutbound)
+ for (int i=0; i<MAX_OUTBOUND_CONNECTIONS; i++)
+ semOutbound->post();
do
{
int nThreadsRunning = 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_MINER] > 0) printf("ThreadBitcoinMiner still running\n");
- if (vnThreadsRunning[THREAD_RPCSERVER] > 0) printf("ThreadRPCServer still running\n");
- if (fHaveUPnP && vnThreadsRunning[THREAD_UPNP] > 0) printf("ThreadMapPort still running\n");
+ if (vnThreadsRunning[THREAD_RPCLISTENER] > 0) printf("ThreadRPCListener still running\n");
+ if (vnThreadsRunning[THREAD_RPCHANDLER] > 0) printf("ThreadsRPCServer still running\n");
+#ifdef USE_UPNP
+ if (vnThreadsRunning[THREAD_UPNP] > 0) printf("ThreadMapPort still running\n");
+#endif
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");
- while (vnThreadsRunning[THREAD_MESSAGEHANDLER] > 0 || vnThreadsRunning[THREAD_RPCSERVER] > 0)
+ 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();
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());
+ BOOST_FOREACH(SOCKET hListenSocket, vhListenSocket)
+ if (hListenSocket != INVALID_SOCKET)
+ if (closesocket(hListenSocket) == SOCKET_ERROR)
+ printf("closesocket(hListenSocket) failed with error %d\n", WSAGetLastError());
#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;
+}