mirror of
https://github.com/AskDavis/Casinotest.git
synced 2026-01-02 20:09:47 -08:00
1984 lines
63 KiB
C++
1984 lines
63 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// Copyright (c) 2009-2012 The Bitcoin developers
|
|
// Copyright (c) 2011-2012 Litecoin Developers
|
|
// Copyright (c) 2013 CasinoCoin Developers
|
|
// Distributed under the MIT/X11 software license, see the accompanying
|
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#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>
|
|
#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;
|
|
|
|
void ThreadMessageHandler2(void* parg);
|
|
void ThreadSocketHandler2(void* parg);
|
|
void ThreadOpenConnections2(void* parg);
|
|
void ThreadOpenAddedConnections2(void* parg);
|
|
#ifdef USE_UPNP
|
|
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;
|
|
int nPort;
|
|
};
|
|
|
|
//
|
|
// Global state variables
|
|
//
|
|
bool fClient = false;
|
|
bool fDiscover = true;
|
|
bool fUseUPnP = false;
|
|
uint64 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 std::vector<SOCKET> vhListenSocket;
|
|
CAddrMan addrman;
|
|
|
|
vector<CNode*> vNodes;
|
|
CCriticalSection cs_vNodes;
|
|
map<CInv, CDataStream> mapRelay;
|
|
deque<pair<int64, CInv> > vRelayExpiration;
|
|
CCriticalSection cs_mapRelay;
|
|
map<CInv, int64> mapAlreadyAskedFor;
|
|
|
|
static deque<string> vOneShots;
|
|
CCriticalSection cs_vOneShots;
|
|
|
|
set<CNetAddr> setservAddNodeAddresses;
|
|
CCriticalSection cs_setservAddNodeAddresses;
|
|
|
|
static CSemaphore *semOutbound = NULL;
|
|
|
|
void AddOneShot(string strDest)
|
|
{
|
|
LOCK(cs_vOneShots);
|
|
vOneShots.push_back(strDest);
|
|
}
|
|
|
|
unsigned short GetListenPort()
|
|
{
|
|
return (unsigned short)(GetArg("-port", GetDefaultPort()));
|
|
}
|
|
|
|
void CNode::PushGetBlocks(CBlockIndex* pindexBegin, uint256 hashEnd)
|
|
{
|
|
// Filter out duplicate requests
|
|
if (pindexBegin == pindexLastGetBlocksBegin && hashEnd == hashLastGetBlocksEnd)
|
|
return;
|
|
pindexLastGetBlocksBegin = pindexBegin;
|
|
hashLastGetBlocksEnd = hashEnd;
|
|
|
|
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
|
|
{
|
|
char c;
|
|
int nBytes = recv(hSocket, &c, 1, 0);
|
|
if (nBytes > 0)
|
|
{
|
|
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)
|
|
{
|
|
int nErr = WSAGetLastError();
|
|
if (nErr == WSAEMSGSIZE)
|
|
continue;
|
|
if (nErr == WSAEWOULDBLOCK || nErr == WSAEINTR || nErr == WSAEINPROGRESS)
|
|
{
|
|
Sleep(10);
|
|
continue;
|
|
}
|
|
}
|
|
if (!strLine.empty())
|
|
return true;
|
|
if (nBytes == 0)
|
|
{
|
|
// socket closed
|
|
printf("socket closed\n");
|
|
return false;
|
|
}
|
|
else
|
|
{
|
|
// socket error
|
|
int nErr = WSAGetLastError();
|
|
printf("recv failed: %d\n", nErr);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// used when scores of local addresses may have changed
|
|
// pushes better local address to peers
|
|
void static AdvertizeLocal()
|
|
{
|
|
LOCK(cs_vNodes);
|
|
BOOST_FOREACH(CNode* pnode, vNodes)
|
|
{
|
|
if (pnode->fSuccessfullyConnected)
|
|
{
|
|
CAddress addrLocal = GetLocalAddress(&pnode->addr);
|
|
if (addrLocal.IsRoutable() && (CService)addrLocal != (CService)pnode->addrLocal)
|
|
{
|
|
pnode->PushAddress(addrLocal);
|
|
pnode->addrLocal = addrLocal;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void SetReachable(enum Network net, bool fFlag)
|
|
{
|
|
LOCK(cs_mapLocalHost);
|
|
vfReachable[net] = fFlag;
|
|
if (net == NET_IPV6 && fFlag)
|
|
vfReachable[NET_IPV4] = true;
|
|
}
|
|
|
|
// learn a new local address
|
|
bool AddLocal(const CService& addr, int nScore)
|
|
{
|
|
if (!addr.IsRoutable())
|
|
return false;
|
|
|
|
if (!fDiscover && nScore < LOCAL_MANUAL)
|
|
return false;
|
|
|
|
if (IsLimited(addr))
|
|
return false;
|
|
|
|
printf("AddLocal(%s,%i)\n", addr.ToString().c_str(), nScore);
|
|
|
|
{
|
|
LOCK(cs_mapLocalHost);
|
|
bool fAlready = mapLocalHost.count(addr) > 0;
|
|
LocalServiceInfo &info = mapLocalHost[addr];
|
|
if (!fAlready || nScore >= info.nScore) {
|
|
info.nScore = nScore;
|
|
info.nPort = addr.GetPort() + (fAlready ? 1 : 0);
|
|
}
|
|
SetReachable(addr.GetNetwork());
|
|
}
|
|
|
|
AdvertizeLocal();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool AddLocal(const CNetAddr &addr, int nScore)
|
|
{
|
|
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;
|
|
}
|
|
|
|
/** check whether a given address is potentially local */
|
|
bool IsLocal(const CService& addr)
|
|
{
|
|
LOCK(cs_mapLocalHost);
|
|
return mapLocalHost.count(addr) > 0;
|
|
}
|
|
|
|
/** check whether a given address is in a network we can probably connect to */
|
|
bool IsReachable(const CNetAddr& addr)
|
|
{
|
|
LOCK(cs_mapLocalHost);
|
|
enum Network net = addr.GetNetwork();
|
|
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
|
|
{
|
|
loop
|
|
{
|
|
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");
|
|
}
|
|
|
|
// 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 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 (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;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
void ThreadGetMyExternalIP(void* parg)
|
|
{
|
|
// Make this thread recognisable as the external IP detection thread
|
|
RenameThread("bitcoin-ext-ip");
|
|
|
|
CNetAddr addrLocalHost;
|
|
if (GetMyExternalIP(addrLocalHost))
|
|
{
|
|
printf("GetMyExternalIP() returned %s\n", addrLocalHost.ToStringIP().c_str());
|
|
AddLocal(addrLocalHost, LOCAL_HTTP);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
void AddressCurrentlyConnected(const CService& addr)
|
|
{
|
|
addrman.Connected(addr);
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
CNode* FindNode(const CNetAddr& ip)
|
|
{
|
|
{
|
|
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)
|
|
{
|
|
{
|
|
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)
|
|
{
|
|
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\n",
|
|
pszDest ? pszDest : addrConnect.ToString().c_str(),
|
|
pszDest ? 0 : (double)(GetAdjustedTime() - addrConnect.nTime)/3600.0);
|
|
|
|
// Connect
|
|
SOCKET hSocket;
|
|
if (pszDest ? ConnectSocketByName(addrConnect, hSocket, pszDest, GetDefaultPort()) : ConnectSocket(addrConnect, hSocket))
|
|
{
|
|
addrman.Attempt(addrConnect);
|
|
|
|
/// debug print
|
|
printf("connected %s\n", pszDest ? pszDest : addrConnect.ToString().c_str());
|
|
|
|
// Set to nonblocking
|
|
#ifdef WIN32
|
|
u_long nOne = 1;
|
|
if (ioctlsocket(hSocket, FIONBIO, &nOne) == SOCKET_ERROR)
|
|
printf("ConnectSocket() : ioctlsocket nonblocking 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);
|
|
#endif
|
|
|
|
// Add node
|
|
CNode* pnode = new CNode(hSocket, addrConnect, pszDest ? pszDest : "", false);
|
|
if (nTimeout != 0)
|
|
pnode->AddRef(nTimeout);
|
|
else
|
|
pnode->AddRef();
|
|
|
|
{
|
|
LOCK(cs_vNodes);
|
|
vNodes.push_back(pnode);
|
|
}
|
|
|
|
pnode->nTimeConnected = GetTime();
|
|
return pnode;
|
|
}
|
|
else
|
|
{
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
void CNode::CloseSocketDisconnect()
|
|
{
|
|
fDisconnect = true;
|
|
if (hSocket != INVALID_SOCKET)
|
|
{
|
|
printf("disconnecting node %s\n", addrName.c_str());
|
|
closesocket(hSocket);
|
|
hSocket = INVALID_SOCKET;
|
|
vRecv.clear();
|
|
}
|
|
}
|
|
|
|
void CNode::Cleanup()
|
|
{
|
|
}
|
|
|
|
|
|
void CNode::PushVersion()
|
|
{
|
|
/// when NTP implemented, change to just nTime = GetAdjustedTime()
|
|
int64 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;
|
|
CCriticalSection CNode::cs_setBanned;
|
|
|
|
void CNode::ClearBanned()
|
|
{
|
|
setBanned.clear();
|
|
}
|
|
|
|
bool CNode::IsBanned(CNetAddr ip)
|
|
{
|
|
bool fResult = false;
|
|
{
|
|
LOCK(cs_setBanned);
|
|
std::map<CNetAddr, int64>::iterator i = setBanned.find(ip);
|
|
if (i != setBanned.end())
|
|
{
|
|
int64 t = (*i).second;
|
|
if (GetTime() < t)
|
|
fResult = true;
|
|
}
|
|
}
|
|
return fResult;
|
|
}
|
|
|
|
bool CNode::Misbehaving(int howmuch)
|
|
{
|
|
if (addr.IsLocal())
|
|
{
|
|
printf("Warning: local node %s misbehaving\n", addrName.c_str());
|
|
return false;
|
|
}
|
|
|
|
nMisbehavior += howmuch;
|
|
if (nMisbehavior >= GetArg("-banscore", 100))
|
|
{
|
|
int64 banTime = GetTime()+GetArg("-bantime", 60*60*24); // Default 24-hour ban
|
|
{
|
|
LOCK(cs_setBanned);
|
|
if (setBanned[addr] < banTime)
|
|
setBanned[addr] = banTime;
|
|
}
|
|
CloseSocketDisconnect();
|
|
printf("Disconnected %s for misbehavior (score=%d)\n", addrName.c_str(), nMisbehavior);
|
|
return true;
|
|
}
|
|
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);
|
|
}
|
|
#undef X
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void ThreadSocketHandler(void* parg)
|
|
{
|
|
IMPLEMENT_RANDOMIZE_STACK(ThreadSocketHandler(parg));
|
|
|
|
// Make this thread recognisable as the networking thread
|
|
RenameThread("bitcoin-net");
|
|
|
|
try
|
|
{
|
|
vnThreadsRunning[THREAD_SOCKETHANDLER]++;
|
|
ThreadSocketHandler2(parg);
|
|
vnThreadsRunning[THREAD_SOCKETHANDLER]--;
|
|
}
|
|
catch (std::exception& e) {
|
|
vnThreadsRunning[THREAD_SOCKETHANDLER]--;
|
|
PrintException(&e, "ThreadSocketHandler()");
|
|
} catch (...) {
|
|
vnThreadsRunning[THREAD_SOCKETHANDLER]--;
|
|
throw; // support pthread_cancel()
|
|
}
|
|
printf("ThreadSocketHandler exited\n");
|
|
}
|
|
|
|
void ThreadSocketHandler2(void* parg)
|
|
{
|
|
printf("ThreadSocketHandler started\n");
|
|
list<CNode*> vNodesDisconnected;
|
|
unsigned int nPrevNodeCount = 0;
|
|
|
|
loop
|
|
{
|
|
//
|
|
// Disconnect nodes
|
|
//
|
|
{
|
|
LOCK(cs_vNodes);
|
|
// Disconnect unused nodes
|
|
vector<CNode*> vNodesCopy = vNodes;
|
|
BOOST_FOREACH(CNode* pnode, vNodesCopy)
|
|
{
|
|
if (pnode->fDisconnect ||
|
|
(pnode->GetRefCount() <= 0 && pnode->vRecv.empty() && pnode->vSend.empty()))
|
|
{
|
|
// 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();
|
|
|
|
// hold in disconnected pool until all refs are released
|
|
pnode->nReleaseTime = max(pnode->nReleaseTime, GetTime() + 15 * 60);
|
|
if (pnode->fNetworkNode || pnode->fInbound)
|
|
pnode->Release();
|
|
vNodesDisconnected.push_back(pnode);
|
|
}
|
|
}
|
|
|
|
// Delete disconnected nodes
|
|
list<CNode*> vNodesDisconnectedCopy = vNodesDisconnected;
|
|
BOOST_FOREACH(CNode* pnode, vNodesDisconnectedCopy)
|
|
{
|
|
// wait until threads are done using it
|
|
if (pnode->GetRefCount() <= 0)
|
|
{
|
|
bool fDelete = false;
|
|
{
|
|
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);
|
|
delete pnode;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (vNodes.size() != nPrevNodeCount)
|
|
{
|
|
nPrevNodeCount = vNodes.size();
|
|
uiInterface.NotifyNumConnectionsChanged(vNodes.size());
|
|
}
|
|
|
|
|
|
//
|
|
// Find which sockets have data to receive
|
|
//
|
|
struct timeval timeout;
|
|
timeout.tv_sec = 0;
|
|
timeout.tv_usec = 50000; // frequency to poll pnode->vSend
|
|
|
|
fd_set fdsetRecv;
|
|
fd_set fdsetSend;
|
|
fd_set fdsetError;
|
|
FD_ZERO(&fdsetRecv);
|
|
FD_ZERO(&fdsetSend);
|
|
FD_ZERO(&fdsetError);
|
|
SOCKET hSocketMax = 0;
|
|
|
|
BOOST_FOREACH(SOCKET hListenSocket, vhListenSocket) {
|
|
FD_SET(hListenSocket, &fdsetRecv);
|
|
hSocketMax = max(hSocketMax, hListenSocket);
|
|
}
|
|
{
|
|
LOCK(cs_vNodes);
|
|
BOOST_FOREACH(CNode* pnode, vNodes)
|
|
{
|
|
if (pnode->hSocket == INVALID_SOCKET)
|
|
continue;
|
|
FD_SET(pnode->hSocket, &fdsetRecv);
|
|
FD_SET(pnode->hSocket, &fdsetError);
|
|
hSocketMax = max(hSocketMax, pnode->hSocket);
|
|
{
|
|
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);
|
|
vnThreadsRunning[THREAD_SOCKETHANDLER]++;
|
|
if (fShutdown)
|
|
return;
|
|
if (nSelect == SOCKET_ERROR)
|
|
{
|
|
int nErr = WSAGetLastError();
|
|
if (hSocketMax != INVALID_SOCKET)
|
|
{
|
|
printf("socket select error %d\n", nErr);
|
|
for (unsigned int i = 0; i <= hSocketMax; i++)
|
|
FD_SET(i, &fdsetRecv);
|
|
}
|
|
FD_ZERO(&fdsetSend);
|
|
FD_ZERO(&fdsetError);
|
|
Sleep(timeout.tv_usec/1000);
|
|
}
|
|
|
|
|
|
//
|
|
// Accept new connections
|
|
//
|
|
BOOST_FOREACH(SOCKET hListenSocket, vhListenSocket)
|
|
if (hListenSocket != INVALID_SOCKET && FD_ISSET(hListenSocket, &fdsetRecv))
|
|
{
|
|
#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)
|
|
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 (hSocket == INVALID_SOCKET)
|
|
{
|
|
if (WSAGetLastError() != WSAEWOULDBLOCK)
|
|
printf("socket error accept failed: %d\n", WSAGetLastError());
|
|
}
|
|
else if (nInbound >= GetArg("-maxconnections", 125) - MAX_OUTBOUND_CONNECTIONS)
|
|
{
|
|
{
|
|
LOCK(cs_setservAddNodeAddresses);
|
|
if (!setservAddNodeAddresses.count(addr))
|
|
closesocket(hSocket);
|
|
}
|
|
}
|
|
else if (CNode::IsBanned(addr))
|
|
{
|
|
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);
|
|
pnode->AddRef();
|
|
{
|
|
LOCK(cs_vNodes);
|
|
vNodes.push_back(pnode);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
//
|
|
// Service each socket
|
|
//
|
|
vector<CNode*> vNodesCopy;
|
|
{
|
|
LOCK(cs_vNodes);
|
|
vNodesCopy = vNodes;
|
|
BOOST_FOREACH(CNode* pnode, vNodesCopy)
|
|
pnode->AddRef();
|
|
}
|
|
BOOST_FOREACH(CNode* pnode, vNodesCopy)
|
|
{
|
|
if (fShutdown)
|
|
return;
|
|
|
|
//
|
|
// Receive
|
|
//
|
|
if (pnode->hSocket == INVALID_SOCKET)
|
|
continue;
|
|
if (FD_ISSET(pnode->hSocket, &fdsetRecv) || FD_ISSET(pnode->hSocket, &fdsetError))
|
|
{
|
|
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());
|
|
pnode->CloseSocketDisconnect();
|
|
}
|
|
else {
|
|
// typical socket buffer is 8K-64K
|
|
char pchBuf[0x10000];
|
|
int nBytes = recv(pnode->hSocket, pchBuf, sizeof(pchBuf), MSG_DONTWAIT);
|
|
if (nBytes > 0)
|
|
{
|
|
vRecv.resize(nPos + nBytes);
|
|
memcpy(&vRecv[nPos], pchBuf, nBytes);
|
|
pnode->nLastRecv = GetTime();
|
|
}
|
|
else if (nBytes == 0)
|
|
{
|
|
// socket closed gracefully
|
|
if (!pnode->fDisconnect)
|
|
printf("socket closed\n");
|
|
pnode->CloseSocketDisconnect();
|
|
}
|
|
else if (nBytes < 0)
|
|
{
|
|
// error
|
|
int nErr = WSAGetLastError();
|
|
if (nErr != WSAEWOULDBLOCK && nErr != WSAEMSGSIZE && nErr != WSAEINTR && nErr != WSAEINPROGRESS)
|
|
{
|
|
if (!pnode->fDisconnect)
|
|
printf("socket recv error %d\n", nErr);
|
|
pnode->CloseSocketDisconnect();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Send
|
|
//
|
|
if (pnode->hSocket == INVALID_SOCKET)
|
|
continue;
|
|
if (FD_ISSET(pnode->hSocket, &fdsetSend))
|
|
{
|
|
TRY_LOCK(pnode->cs_vSend, lockSend);
|
|
if (lockSend)
|
|
{
|
|
CDataStream& vSend = pnode->vSend;
|
|
if (!vSend.empty())
|
|
{
|
|
int nBytes = send(pnode->hSocket, &vSend[0], vSend.size(), MSG_NOSIGNAL | MSG_DONTWAIT);
|
|
if (nBytes > 0)
|
|
{
|
|
vSend.erase(vSend.begin(), vSend.begin() + nBytes);
|
|
pnode->nLastSend = GetTime();
|
|
}
|
|
else if (nBytes < 0)
|
|
{
|
|
// error
|
|
int nErr = WSAGetLastError();
|
|
if (nErr != WSAEWOULDBLOCK && nErr != WSAEMSGSIZE && nErr != WSAEINTR && nErr != WSAEINPROGRESS)
|
|
{
|
|
printf("socket send error %d\n", nErr);
|
|
pnode->CloseSocketDisconnect();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
//
|
|
// Inactivity checking
|
|
//
|
|
if (pnode->vSend.empty())
|
|
pnode->nLastSendEmpty = GetTime();
|
|
if (GetTime() - pnode->nTimeConnected > 60)
|
|
{
|
|
if (pnode->nLastRecv == 0 || pnode->nLastSend == 0)
|
|
{
|
|
printf("socket no message in first 60 seconds, %d %d\n", pnode->nLastRecv != 0, pnode->nLastSend != 0);
|
|
pnode->fDisconnect = true;
|
|
}
|
|
else if (GetTime() - pnode->nLastSend > 90*60 && GetTime() - pnode->nLastSendEmpty > 90*60)
|
|
{
|
|
printf("socket not sending\n");
|
|
pnode->fDisconnect = true;
|
|
}
|
|
else if (GetTime() - pnode->nLastRecv > 90*60)
|
|
{
|
|
printf("socket inactivity timeout\n");
|
|
pnode->fDisconnect = true;
|
|
}
|
|
}
|
|
}
|
|
{
|
|
LOCK(cs_vNodes);
|
|
BOOST_FOREACH(CNode* pnode, vNodesCopy)
|
|
pnode->Release();
|
|
}
|
|
|
|
Sleep(10);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
#ifdef USE_UPNP
|
|
void ThreadMapPort(void* parg)
|
|
{
|
|
IMPLEMENT_RANDOMIZE_STACK(ThreadMapPort(parg));
|
|
|
|
// Make this thread recognisable as the UPnP thread
|
|
RenameThread("bitcoin-UPnP");
|
|
|
|
try
|
|
{
|
|
vnThreadsRunning[THREAD_UPNP]++;
|
|
ThreadMapPort2(parg);
|
|
vnThreadsRunning[THREAD_UPNP]--;
|
|
}
|
|
catch (std::exception& e) {
|
|
vnThreadsRunning[THREAD_UPNP]--;
|
|
PrintException(&e, "ThreadMapPort()");
|
|
} catch (...) {
|
|
vnThreadsRunning[THREAD_UPNP]--;
|
|
PrintException(NULL, "ThreadMapPort()");
|
|
}
|
|
printf("ThreadMapPort exited\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)
|
|
{
|
|
if (fDiscover) {
|
|
char externalIPAddress[40];
|
|
r = UPNP_GetExternalIPAddress(urls.controlURL, data.first.servicetype, externalIPAddress);
|
|
if(r != UPNPCOMMAND_SUCCESS)
|
|
printf("UPnP: GetExternalIPAddress() returned %d\n", r);
|
|
else
|
|
{
|
|
if(externalIPAddress[0])
|
|
{
|
|
printf("UPnP: ExternalIPAddress = %s\n", externalIPAddress);
|
|
AddLocal(CNetAddr(externalIPAddress), LOCAL_UPNP);
|
|
}
|
|
else
|
|
printf("UPnP: GetExternalIPAddress failed.\n");
|
|
}
|
|
}
|
|
|
|
string strDesc = "CasinoCoin " + 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");
|
|
int i = 1;
|
|
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;
|
|
}
|
|
if (i % 600 == 0) // Refresh every 20 minutes
|
|
{
|
|
#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");;
|
|
}
|
|
Sleep(2000);
|
|
i++;
|
|
}
|
|
} 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()
|
|
{
|
|
if (fUseUPnP && vnThreadsRunning[THREAD_UPNP] < 1)
|
|
{
|
|
if (!CreateThread(ThreadMapPort, NULL))
|
|
printf("Error: ThreadMapPort(ThreadMapPort) failed\n");
|
|
}
|
|
}
|
|
#else
|
|
void MapPort()
|
|
{
|
|
// Intentionally left blank.
|
|
}
|
|
#endif
|
|
|
|
// 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 *strMainNetDNSSeed[][2] = {
|
|
{"casinoco.in seed #1", "seed1.casinoco.in"},
|
|
{"casinoco.in seed #2", "seed2.casinoco.in"},
|
|
{"casinoco.in seed", "seed.casinoco.in"},
|
|
{NULL, NULL}
|
|
};
|
|
|
|
static const char *strTestNetDNSSeed[][2] = {
|
|
{"casinoco.in testnet seed #1", "testnet-seed1.casinoco.in"},
|
|
{NULL, NULL}
|
|
};
|
|
|
|
void ThreadDNSAddressSeed(void* parg)
|
|
{
|
|
IMPLEMENT_RANDOMIZE_STACK(ThreadDNSAddressSeed(parg));
|
|
|
|
// Make this thread recognisable as the DNS seeding thread
|
|
RenameThread("bitcoin-dnsseed");
|
|
|
|
try
|
|
{
|
|
vnThreadsRunning[THREAD_DNSSEED]++;
|
|
ThreadDNSAddressSeed2(parg);
|
|
vnThreadsRunning[THREAD_DNSSEED]--;
|
|
}
|
|
catch (std::exception& e) {
|
|
vnThreadsRunning[THREAD_DNSSEED]--;
|
|
PrintException(&e, "ThreadDNSAddressSeed()");
|
|
} catch (...) {
|
|
vnThreadsRunning[THREAD_DNSSEED]--;
|
|
throw; // support pthread_cancel()
|
|
}
|
|
printf("ThreadDNSAddressSeed exited\n");
|
|
}
|
|
|
|
void ThreadDNSAddressSeed2(void* parg)
|
|
{
|
|
printf("ThreadDNSAddressSeed started\n");
|
|
int found = 0;
|
|
|
|
if (true) // minimize diff, this is the last version of 0.6.x
|
|
{
|
|
printf("Loading addresses from DNS seeds (could take a while)\n");
|
|
|
|
static const char *(*strDNSSeed)[2] = fTestNet ? strTestNetDNSSeed : strMainNetDNSSeed;
|
|
|
|
for (unsigned int seed_idx = 0; strDNSSeed[seed_idx][0] != NULL; seed_idx++) {
|
|
if (GetNameProxy()) {
|
|
AddOneShot(strDNSSeed[seed_idx][1]);
|
|
} else {
|
|
vector<CNetAddr> vaddr;
|
|
vector<CAddress> vAdd;
|
|
if (LookupHost(strDNSSeed[seed_idx][1], vaddr))
|
|
{
|
|
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));
|
|
}
|
|
}
|
|
}
|
|
|
|
printf("%d addresses found from DNS seeds\n", found);
|
|
}
|
|
|
|
unsigned int pnSeed[] =
|
|
{
|
|
0xdfae795b, 0x0e0f46a6, 0xaf7f170c, 0x900486bc, 0xcbac226c, 0x3b551ac7, 0x56eb5d50, 0x136f21b2,
|
|
0x8ddd57d0, 0xb291f363, 0xe57a3c47, 0x66c52560, 0x22b49640, 0xc76aaa1f, 0x5a90693e, 0x3534bdd5,
|
|
0x37a06044, 0x43ecf65b, 0x4ce4995b, 0x7a563c43, 0x29d80c47, 0xe995316c, 0x1aeb864a, 0x3efc3d2a,
|
|
0xf0e2a447, 0xaab216d2, 0xe74daa46, 0xa55fdcac, 0x2b8c811f, 0x625ec650, 0x2876a565, 0xfed55d50,
|
|
0x9673bb48, 0xcd50d74a, 0xc048ed5e, 0xfe56ea47, 0x7e91a562, 0x6c6a888e, 0x07d55753, 0x8bb0bf42,
|
|
0xf61bfd53, 0x1c26ea47, 0x849965ae, 0x96045d47, 0x0a4605be, 0x1f6a2a60, 0x8229fd18, 0x21cd11b8,
|
|
0x9ea641ad, 0xad49d543, 0x45a6814a, 0x77ded690, 0x2dea1b52, 0xef73ad55, 0x8cc5614c, 0x43aca146,
|
|
0x04c89851, 0xb130cb50, 0x686ff23c, 0x369a5f4b, 0x3cb58705, 0x54cd844b, 0x370d854f, 0xea812942,
|
|
0xbc452864, 0xcef02a60, 0x6df6f854, 0xb5666251, 0x2d49386c, 0xb3892660, 0x7551f950, 0x0808a496,
|
|
0x848954c6, 0x16f91ead, 0xd8d3834b, 0x7383794c, 0x8c68fc18, 0x7088066c, 0x5147b445, 0x87c052d8,
|
|
0x4ab15cd4, 0xb8d53b44, 0xe5aa194c, 0x38bc6844, 0x5454c854, 0xfd091718, 0x7107a86c, 0x6454c854,
|
|
0xc4bc8832, 0xfc67dcad, 0x091cb2c6, 0xada7ef47, 0xfcb3c05e, 0x0904f560, 0x37485253, 0x58aef763,
|
|
0xfe716044, 0x1347eb63, 0xad435946, 0xb629d459, 0xf1785851, 0x6f3ec34a, 0xee079e4e, 0x515b7c46,
|
|
0x1be31e98, 0x69f2e862, 0xd2d16f62, 0xb8cc9662, 0x340ad8b4, 0xdb15ee54, 0xaa81af51, 0xdfc57046,
|
|
0xa44fbd42, 0x64f90456, 0x030dc65a, 0xd9842660, 0x03b6da18, 0x64786d4a, 0x8c8f338f, 0x0ec07acb,
|
|
0xb4a5b34f, 0x3c815032, 0x330c1c71, 0x2abe814a, 0xdf0d62ae, 0x33e64979, 0x634dae58, 0xb14d40ad,
|
|
0x948afe45, 0xf8545e4a, 0x9289f37b, 0x2c28a565, 0x25498232, 0x2dabed62, 0xb54df37b, 0x424a7d4c,
|
|
0x1570456c, 0x0cf6bf42, 0x6e4a3f44, 0xa87158c3, 0x6910fb47, 0x29b8a247, 0xcb8d1518, 0x1d326596,
|
|
0x3636dd50, 0xf9e5d762, 0x59d09a5e, 0x41a63e47, 0x5200a6b8, 0x38b71318, 0xc0c3456f, 0x02c6a43c,
|
|
0xc92909b0, 0xa6b913d8, 0xe8b4e462, 0x6e30ac4c, 0x64439ca8, 0xdf8c5a18, 0xc24751d5, 0x5dc9fc6c,
|
|
0xa9a15861, 0x87c4a73b, 0x243441ad, 0x2a853c42, 0x0188339a, 0xf3570f18, 0x0be83d44, 0xffa97257,
|
|
0x23e026d0, 0x86b43760, 0x35ab664c, 0x22740f48, 0x6b6d4318, 0x9a1b1bd8, 0x12d0b64f, 0xd388b23e,
|
|
0xd75cfddc, 0x8780cc47, 0x780e0e45, 0x2251cc82, 0x19fe8418, 0xefa5602a, 0xfb5f1074, 0xdc26ccc7,
|
|
0xad5e7e4c, 0xb271922e, 0xb7054242, 0x9b9d7b47, 0xf9d4d862, 0x0de6e6d8, 0xf3dbcd48, 0x677fc3cc,
|
|
0x7e6e1552, 0x40d69a18, 0x4cb1e152, 0xb4278c18, 0xa5be002e, 0xa95aac43, 0x6587454b, 0x513de262,
|
|
0x15505a4e, 0x92434f46, 0x56522d79, 0x8453c918, 0x821b7544, 0xea69df50, 0xc7da4f5f, 0xcd12dc55,
|
|
0x598a9147, 0x65ef7262, 0xdc454f46, 0x2119bc2e, 0xbedc7eae, 0x6ca8f536, 0x4497eb18, 0xe7ef80c3,
|
|
0xd9a48e4b, 0x52946dcb, 0xcff428b2, 0x2eca1018, 0x4a685747, 0x77967045, 0x68801132, 0x9149ca62,
|
|
0x04cc0844, 0xd65745b8, 0x4fb08218, 0x31362041, 0xa56c1d46, 0x89af1e47, 0x2d3fdb47, 0x1a3c146c,
|
|
0xda1a694a, 0xf534c848, 0x8eee1eb7, 0xb7aac547, 0x1324f450, 0xaa88f745, 0x77e4aa8d, 0x8a1d52b8,
|
|
0xb2499044, 0x26cb1918, 0x926d5c41, 0x4c218a4b, 0x27a90a4c, 0x1cbc8b59, 0x24ff7d4c, 0x391cc36d,
|
|
0x0b58fddc, 0xc3ac0844, 0xe9d90ad8, 0x1b2f412e, 0x6a221b60, 0xe3518048, 0xc4071975, 0x1c3f72d8,
|
|
0x1e8822d9, 0x067c7a76, 0x557cd782, 0xd5df0e43, 0x831a19bc, 0xe270ac55, 0x2106be5f, 0x49130087,
|
|
0xdd1f0164, 0x76c75753, 0x2e935d02, 0x5491f460, 0x05736344, 0x748c3bda, 0x9534e95c, 0x64e9e444,
|
|
0x96d55d61, 0xd9421656, 0xb044a143, 0xd2ca5a61, 0xbe074854, 0x48dadd43, 0x9cf29b18, 0x4641ee5c,
|
|
0xa2581b53, 0xd585b86c, 0xa77c8a55, 0x5bd5aa47, 0x3b1a3947, 0x4cbcda51, 0x881a94b2, 0x463dc058,
|
|
0xdc241618, 0x9f3b5d47, 0xdd431b4c, 0x76c9db57, 0x2dbfae47, 0x71a8fb53, 0x5447d562, 0x27f1e44e,
|
|
0x0d7aa76c, 0x3e714945, 0x3fa9c544, 0xa6683532, 0x96e0fa45, 0xc4f8d782, 0xd6bddf62, 0xa1536d54,
|
|
0x9404aa56, 0xca7bd742, 0x5ebc0164, 0x37737f45, 0x0fb8d2cc, 0x8dd4c04a, 0xdef43160, 0x71ff5053,
|
|
0xbfe55d5f, 0x3539b34c, 0x90cdbeb8, 0xdb4e2247, 0x3bcc0b1f, 0xce5e5144, 0x7d7f57c7, 0xeeef3d55,
|
|
0xea4a7752, 0x4a1906ae, 0x21e1cc6c, 0xe5b21cad, 0x10ab554b, 0xf553b147, 0xb796d162, 0x0aff2744,
|
|
0x6b657054, 0x9115a665, 0xd873fb4d, 0x5abcd418, 0xccaf8ad5, 0x8dfb0718, 0x3bd6c248, 0xa581614c,
|
|
0x18516041, 0xfa8c8e32, 0x96d33ea8, 0x0fed615f, 0x7b34c9dd, 0x928fa944, 0xb598b0ba, 0x9de9d562,
|
|
0xa9c3bd4b, 0x5c275cae, 0xd61a8945, 0xcdc47f60, 0x0a46e962, 0x6596ed18, 0xae7ac46b, 0x5bcc4748,
|
|
0x9ad6ba18, 0x1c428d4b, 0x9d0efa59, 0x68c006d1, 0xaedf5f41, 0x7caf0918, 0x48519b32, 0x091d1d46,
|
|
0x36c0d176, 0xdb5be248, 0xc21d3b46, 0x18c61418, 0xd5a26044, 0x05898d18, 0xf11ee3be, 0xd10340ad,
|
|
0xea33e218, 0xc4f3b742, 0xe5a50f18, 0x46f63b4a, 0xff72341f, 0x7c901dad, 0xc74f1162, 0xdf2b5032,
|
|
0xc29b296c, 0x3c8eec5c, 0xfa8eaf6e, 0xc0bb5475, 0x4d2e1a46, 0x31f55a42, 0xa4fd211b, 0x8eed4147,
|
|
0x506a3f18, 0x28521856, 0x88ccec47, 0xa8a92160, 0x4aa70e18, 0x1e644442, 0xc657ddd8, 0x368ce663,
|
|
0xbe9859d1, 0x3e245ad4, 0xe6029744, 0x31de1f52, 0x4c617544, 0x945830ae, 0x5f82b543, 0xccfa574b,
|
|
0xdee3b944, 0xb80bfcd8, 0x80b85741, 0x0980a545, 0x1c8dac62, 0x82ba6e62, 0x03c6ea42, 0x74c53b44,
|
|
0xf9e02ebd, 0xcc3f715b, 0x942b0145, 0x9c8da545, 0x31980925, 0xcb9dd562, 0xf0ba0e4c, 0x9208564e,
|
|
0x8ba74055, 0x96ed6c4b, 0x4057d74a, 0xc8d569d8, 0xfd48e4a5, 0x2f695670, 0x8387d418, 0x0902dd5f,
|
|
0xf15aef47, 0x4368c65a, 0x2aeea988, 0xbdf6a94c, 0x7136165f, 0x86ea3dae, 0x8bbd1c6c, 0x9d2ed447,
|
|
0x1987b59e, 0xc2bbb74f, 0x34b70b5c, 0xfaf65741, 0xab46e763, 0x33d454c6, 0xc26df645, 0x5f7351cf,
|
|
0xf2ebefdc, 0xd4165c61, 0xafada73b, 0x68eaf7de, 0x0cee73d4, 0xc1753532, 0xda64f555, 0x6144406d,
|
|
0x5eb0fb6c, 0x8993c90e, 0xab6d8792, 0x06d8a95f, 0xc60cfe45, 0xe3efb948, 0x0a393744, 0x8f47bcce,
|
|
0x44b7d4b0, 0x3080fb4d, 0x2b95e744, 0xb010324d, 0xf820e247, 0x47384b80, 0xa54c41bc, 0x63a07618,
|
|
0x004c4f5f, 0xde9aca47, 0xf9a842b8, 0x7208ae4b, 0x59927257, 0x2d1ea27c, 0x0386c65e, 0x3d0b6b3a,
|
|
0x4ce6bd4b, 0x49ca67d5, 0xe1333bcb, 0x97684f5f, 0x54d130ad, 0x62470b25, 0xc11acab2, 0x6e7f947a,
|
|
0x93f08056, 0x40588256, 0xf069e048, 0x4d224952, 0xcb846250, 0x4c9eaf6e, 0x7a2efe53, 0xa67ac3d1,
|
|
0x64e3604a, 0xb5e154b2, 0x622a941f, 0xea76ca5c, 0x63f0515d, 0xe63efe62, 0x2ccbda72, 0x1c262b44,
|
|
0x336fd956, 0x9d9f687a, 0x85d88856, 0xfc77be2e, 0x1c41bb7c, 0xf29c554d, 0x1268ee50, 0xd82d1abc,
|
|
0x037a083a, 0xca5c8240, 0xf76fa73b, 0x2589494d, 0x3499fe4d, 0x67005553, 0xef8295b6, 0x21ca9662,
|
|
0x4f8f1532, 0x480541b2, 0x0311d779, 0xb8b9a73b, 0xdb570a70, 0x93542dba, 0xde05a765, 0x23e863b0,
|
|
0x69590352, 0xc8df0d56, 0x7e44db5d, 0x626aa97c, 0xf08b904f, 0x8be7063a, 0x288da94f, 0x7c9d1a41,
|
|
0xae369478, 0xb1376c7a, 0x2b66cf18, 0xb021cf18, 0xafad957a, 0x8b69d62e, 0x32d3a87c, 0xc4ad846d,
|
|
0x04c9888d, 0x418a3c02, 0x4f680471, 0x5881bd5e, 0x80bf0b1f, 0x569f966d, 0xae28fb5c, 0x25816c4a
|
|
};
|
|
|
|
|
|
void DumpAddresses()
|
|
{
|
|
int64 nStart = GetTimeMillis();
|
|
|
|
CAddrDB adb;
|
|
adb.Write(addrman);
|
|
|
|
printf("Flushed %d addresses to peers.dat %"PRI64d"ms\n",
|
|
addrman.size(), GetTimeMillis() - nStart);
|
|
}
|
|
|
|
void ThreadDumpAddress2(void* parg)
|
|
{
|
|
vnThreadsRunning[THREAD_DUMPADDRESS]++;
|
|
while (!fShutdown)
|
|
{
|
|
DumpAddresses();
|
|
vnThreadsRunning[THREAD_DUMPADDRESS]--;
|
|
Sleep(100000);
|
|
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("bitcoin-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("bitcoin-opencon");
|
|
|
|
try
|
|
{
|
|
vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
|
|
ThreadOpenConnections2(parg);
|
|
vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
|
|
}
|
|
catch (std::exception& e) {
|
|
vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
|
|
PrintException(&e, "ThreadOpenConnections()");
|
|
} catch (...) {
|
|
vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
|
|
PrintException(NULL, "ThreadOpenConnections()");
|
|
}
|
|
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"))
|
|
{
|
|
for (int64 nLoop = 0;; nLoop++)
|
|
{
|
|
ProcessOneShot();
|
|
BOOST_FOREACH(string strAddr, mapMultiArgs["-connect"])
|
|
{
|
|
CAddress addr;
|
|
OpenNetworkConnection(addr, NULL, strAddr.c_str());
|
|
for (int i = 0; i < 10 && i < nLoop; i++)
|
|
{
|
|
Sleep(500);
|
|
if (fShutdown)
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Initiate network connections
|
|
int64 nStart = GetTime();
|
|
loop
|
|
{
|
|
ProcessOneShot();
|
|
|
|
vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
|
|
Sleep(500);
|
|
vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
|
|
if (fShutdown)
|
|
return;
|
|
|
|
|
|
vnThreadsRunning[THREAD_OPENCONNECTIONS]--;
|
|
CSemaphoreGrant grant(*semOutbound);
|
|
vnThreadsRunning[THREAD_OPENCONNECTIONS]++;
|
|
if (fShutdown)
|
|
return;
|
|
|
|
// Add seed nodes if IRC isn't working
|
|
if (addrman.size()==0 && (GetTime() - nStart > 60) && !fTestNet)
|
|
{
|
|
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;
|
|
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"));
|
|
}
|
|
|
|
//
|
|
// Choose an address to connect to based on most recently seen
|
|
//
|
|
CAddress addrConnect;
|
|
|
|
// 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;
|
|
{
|
|
LOCK(cs_vNodes);
|
|
BOOST_FOREACH(CNode* pnode, vNodes) {
|
|
if (!pnode->fInbound) {
|
|
setConnected.insert(pnode->addr.GetGroup());
|
|
nOutbound++;
|
|
}
|
|
}
|
|
}
|
|
|
|
int64 nANow = GetAdjustedTime();
|
|
|
|
int nTries = 0;
|
|
loop
|
|
{
|
|
// 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.IsValid() || setConnected.count(addr.GetGroup()) || IsLocal(addr))
|
|
break;
|
|
|
|
nTries++;
|
|
|
|
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);
|
|
}
|
|
}
|
|
|
|
void ThreadOpenAddedConnections(void* parg)
|
|
{
|
|
IMPLEMENT_RANDOMIZE_STACK(ThreadOpenAddedConnections(parg));
|
|
|
|
// Make this thread recognisable as the connection opening thread
|
|
RenameThread("bitcoin-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");
|
|
|
|
if (mapArgs.count("-addnode") == 0)
|
|
return;
|
|
|
|
if (GetNameProxy()) {
|
|
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(), fNameLookup, 0))
|
|
{
|
|
vservAddressesToAdd.push_back(vservNode);
|
|
{
|
|
LOCK(cs_setservAddNodeAddresses);
|
|
BOOST_FOREACH(CService& serv, vservNode)
|
|
setservAddNodeAddresses.insert(serv);
|
|
}
|
|
}
|
|
}
|
|
loop
|
|
{
|
|
vector<vector<CService> > vservConnectAddresses = vservAddressesToAdd;
|
|
// Attempt to connect to each IP for each addnode entry until at least one is successful per addnode entry
|
|
// (keeping in mind that addnode entries can have many IPs if 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))
|
|
if (pnode->addr == addrNode)
|
|
{
|
|
it = vservConnectAddresses.erase(it);
|
|
it--;
|
|
break;
|
|
}
|
|
}
|
|
BOOST_FOREACH(vector<CService>& vserv, vservConnectAddresses)
|
|
{
|
|
CSemaphoreGrant grant(*semOutbound);
|
|
OpenNetworkConnection(CAddress(*(vserv.begin())), &grant);
|
|
Sleep(500);
|
|
if (fShutdown)
|
|
return;
|
|
}
|
|
if (fShutdown)
|
|
return;
|
|
vnThreadsRunning[THREAD_ADDEDCONNECTIONS]--;
|
|
Sleep(120000); // Retry every 2 minutes
|
|
vnThreadsRunning[THREAD_ADDEDCONNECTIONS]++;
|
|
if (fShutdown)
|
|
return;
|
|
}
|
|
}
|
|
|
|
// if succesful, 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 (!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, 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;
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
void ThreadMessageHandler(void* parg)
|
|
{
|
|
IMPLEMENT_RANDOMIZE_STACK(ThreadMessageHandler(parg));
|
|
|
|
// Make this thread recognisable as the message handling thread
|
|
RenameThread("bitcoin-msghand");
|
|
|
|
try
|
|
{
|
|
vnThreadsRunning[THREAD_MESSAGEHANDLER]++;
|
|
ThreadMessageHandler2(parg);
|
|
vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
|
|
}
|
|
catch (std::exception& e) {
|
|
vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
|
|
PrintException(&e, "ThreadMessageHandler()");
|
|
} catch (...) {
|
|
vnThreadsRunning[THREAD_MESSAGEHANDLER]--;
|
|
PrintException(NULL, "ThreadMessageHandler()");
|
|
}
|
|
printf("ThreadMessageHandler exited\n");
|
|
}
|
|
|
|
void ThreadMessageHandler2(void* parg)
|
|
{
|
|
printf("ThreadMessageHandler started\n");
|
|
SetThreadPriority(THREAD_PRIORITY_BELOW_NORMAL);
|
|
while (!fShutdown)
|
|
{
|
|
vector<CNode*> vNodesCopy;
|
|
{
|
|
LOCK(cs_vNodes);
|
|
vNodesCopy = vNodes;
|
|
BOOST_FOREACH(CNode* pnode, vNodesCopy)
|
|
pnode->AddRef();
|
|
}
|
|
|
|
// 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_LOCK(pnode->cs_vRecv, lockRecv);
|
|
if (lockRecv)
|
|
ProcessMessages(pnode);
|
|
}
|
|
if (fShutdown)
|
|
return;
|
|
|
|
// Send messages
|
|
{
|
|
TRY_LOCK(pnode->cs_vSend, lockSend);
|
|
if (lockSend)
|
|
SendMessages(pnode, pnode == pnodeTrickle);
|
|
}
|
|
if (fShutdown)
|
|
return;
|
|
}
|
|
|
|
{
|
|
LOCK(cs_vNodes);
|
|
BOOST_FOREACH(CNode* pnode, vNodesCopy)
|
|
pnode->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[THREAD_MESSAGEHANDLER]--;
|
|
Sleep(100);
|
|
if (fRequestShutdown)
|
|
StartShutdown();
|
|
vnThreadsRunning[THREAD_MESSAGEHANDLER]++;
|
|
if (fShutdown)
|
|
return;
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
bool BindListenPort(const CService &addrBind, string& strError)
|
|
{
|
|
strError = "";
|
|
int nOne = 1;
|
|
|
|
#ifdef WIN32
|
|
// Initialize Windows Sockets
|
|
WSADATA wsadata;
|
|
int ret = WSAStartup(MAKEWORD(2,2), &wsadata);
|
|
if (ret != NO_ERROR)
|
|
{
|
|
strError = strprintf("Error: TCP/IP socket library failed to start (WSAStartup returned error %d)", ret);
|
|
printf("%s\n", strError.c_str());
|
|
return false;
|
|
}
|
|
#endif
|
|
|
|
// 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: 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());
|
|
printf("%s\n", strError.c_str());
|
|
return false;
|
|
}
|
|
|
|
#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.
|
|
setsockopt(hListenSocket, SOL_SOCKET, SO_REUSEADDR, (void*)&nOne, sizeof(int));
|
|
#endif
|
|
|
|
|
|
#ifdef WIN32
|
|
// Set to nonblocking, 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)
|
|
#endif
|
|
{
|
|
strError = strprintf("Error: Couldn't set properties on socket for incoming connections (error %d)", WSAGetLastError());
|
|
printf("%s\n", strError.c_str());
|
|
return false;
|
|
}
|
|
|
|
#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
|
|
setsockopt(hListenSocket, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&nOne, sizeof(int));
|
|
#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 %s on this computer. CasinoCoin is probably already running."), addrBind.ToString().c_str());
|
|
else
|
|
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 %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());
|
|
return false;
|
|
}
|
|
|
|
vhListenSocket.push_back(hListenSocket);
|
|
|
|
if (addrBind.IsRoutable() && fDiscover)
|
|
AddLocal(addrBind, LOCAL_BIND);
|
|
|
|
return true;
|
|
}
|
|
|
|
void static Discover()
|
|
{
|
|
if (!fDiscover)
|
|
return;
|
|
|
|
#ifdef WIN32
|
|
// 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)
|
|
{
|
|
AddLocal(addr, LOCAL_IF);
|
|
}
|
|
}
|
|
}
|
|
#else
|
|
// Get local host ip
|
|
struct ifaddrs* myaddrs;
|
|
if (getifaddrs(&myaddrs) == 0)
|
|
{
|
|
for (struct ifaddrs* ifa = myaddrs; ifa != NULL; ifa = ifa->ifa_next)
|
|
{
|
|
if (ifa->ifa_addr == NULL) continue;
|
|
if ((ifa->ifa_flags & IFF_UP) == 0) continue;
|
|
if (strcmp(ifa->ifa_name, "lo") == 0) continue;
|
|
if (strcmp(ifa->ifa_name, "lo0") == 0) continue;
|
|
if (ifa->ifa_addr->sa_family == AF_INET)
|
|
{
|
|
struct sockaddr_in* s4 = (struct sockaddr_in*)(ifa->ifa_addr);
|
|
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);
|
|
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
|
|
|
|
CreateThread(ThreadGetMyExternalIP, NULL);
|
|
}
|
|
|
|
void StartNode(void* parg)
|
|
{
|
|
// Make this thread recognisable as the startup thread
|
|
RenameThread("bitcoin-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");
|
|
|
|
// Map ports with UPnP
|
|
if (fUseUPnP)
|
|
MapPort();
|
|
|
|
// Get addresses from IRC and advertise ours
|
|
if (!CreateThread(ThreadIRCSeed, NULL))
|
|
printf("Error: CreateThread(ThreadIRCSeed) failed\n");
|
|
|
|
// Send and receive from sockets, accept connections
|
|
if (!CreateThread(ThreadSocketHandler, NULL))
|
|
printf("Error: CreateThread(ThreadSocketHandler) failed\n");
|
|
|
|
// Initiate outbound connections from -addnode
|
|
if (!CreateThread(ThreadOpenAddedConnections, NULL))
|
|
printf("Error: CreateThread(ThreadOpenAddedConnections) failed\n");
|
|
|
|
// Initiate outbound connections
|
|
if (!CreateThread(ThreadOpenConnections, NULL))
|
|
printf("Error: CreateThread(ThreadOpenConnections) failed\n");
|
|
|
|
// Process messages
|
|
if (!CreateThread(ThreadMessageHandler, NULL))
|
|
printf("Error: CreateThread(ThreadMessageHandler) failed\n");
|
|
|
|
// Dump network addresses
|
|
if (!CreateThread(ThreadDumpAddress, NULL))
|
|
printf("Error; CreateThread(ThreadDumpAddress) failed\n");
|
|
}
|
|
|
|
bool StopNode()
|
|
{
|
|
printf("StopNode()\n");
|
|
fShutdown = true;
|
|
nTransactionsUpdated++;
|
|
int64 nStart = GetTime();
|
|
if (semOutbound)
|
|
for (int i=0; i<MAX_OUTBOUND_CONNECTIONS; i++)
|
|
semOutbound->post();
|
|
do
|
|
{
|
|
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);
|
|
} while(true);
|
|
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_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_RPCHANDLER] > 0)
|
|
Sleep(20);
|
|
Sleep(50);
|
|
DumpAddresses();
|
|
return true;
|
|
}
|
|
|
|
class CNetCleanup
|
|
{
|
|
public:
|
|
CNetCleanup()
|
|
{
|
|
}
|
|
~CNetCleanup()
|
|
{
|
|
// Close sockets
|
|
BOOST_FOREACH(CNode* pnode, vNodes)
|
|
if (pnode->hSocket != INVALID_SOCKET)
|
|
closesocket(pnode->hSocket);
|
|
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
|
|
WSACleanup();
|
|
#endif
|
|
}
|
|
}
|
|
instance_of_cnetcleanup;
|