X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fnet.cpp;h=f0ea5506e2ef6775d1bcc463561801b112a60eb6;hb=882164196e5b1971313493f95a6d027f05e2ec92;hp=0a48330b59026a9d5c94488e778b26f2c1dd29b3;hpb=a4e6ae101a02d6dfd981eab374336b78199895b2;p=novacoin.git diff --git a/src/net.cpp b/src/net.cpp index 0a48330..f0ea550 100644 --- a/src/net.cpp +++ b/src/net.cpp @@ -1,5 +1,5 @@ // Copyright (c) 2009-2010 Satoshi Nakamoto -// Copyright (c) 2011 The Bitcoin developers +// Copyright (c) 2009-2012 The Bitcoin developers // Distributed under the MIT/X11 software license, see the accompanying // file license.txt or http://www.opensource.org/licenses/mit-license.php. @@ -10,7 +10,7 @@ #include "init.h" #include "strlcpy.h" -#ifdef __WXMSW__ +#ifdef WIN32 #include #endif @@ -29,9 +29,11 @@ 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); @@ -44,7 +46,7 @@ bool OpenNetworkConnection(const CAddress& addrConnect); bool fClient = false; bool fAllowDNS = false; uint64 nLocalServices = (fClient ? 0 : NODE_NETWORK); -CAddress addrLocalHost("0.0.0.0", 0, false, nLocalServices); +CAddress addrLocalHost(CService("0.0.0.0", 0), nLocalServices); static CNode* pnodeLocalHost = NULL; uint64 nLocalHostNonce = 0; array vnThreadsRunning; @@ -59,10 +61,9 @@ deque > vRelayExpiration; CCriticalSection cs_mapRelay; map mapAlreadyAskedFor; -// Settings -int fUseProxy = false; -int nConnectTimeout = 5000; -CAddress addrProxy("127.0.0.1",9050); + +set setservAddNodeAddresses; +CCriticalSection cs_setservAddNodeAddresses; @@ -87,213 +88,7 @@ void CNode::PushGetBlocks(CBlockIndex* pindexBegin, uint256 hashEnd) -bool ConnectSocket(const CAddress& addrConnect, SOCKET& hSocketRet, int nTimeout) -{ - hSocketRet = INVALID_SOCKET; - - SOCKET hSocket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); - if (hSocket == INVALID_SOCKET) - return false; -#ifdef SO_NOSIGPIPE - int set = 1; - setsockopt(hSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&set, sizeof(int)); -#endif - - bool fProxy = (fUseProxy && addrConnect.IsRoutable()); - struct sockaddr_in sockaddr = (fProxy ? addrProxy.GetSockAddr() : addrConnect.GetSockAddr()); - -#ifdef __WXMSW__ - u_long fNonblock = 1; - if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR) -#else - int fFlags = fcntl(hSocket, F_GETFL, 0); - if (fcntl(hSocket, F_SETFL, fFlags | O_NONBLOCK) == -1) -#endif - { - closesocket(hSocket); - return false; - } - - - if (connect(hSocket, (struct sockaddr*)&sockaddr, sizeof(sockaddr)) == SOCKET_ERROR) - { - // WSAEINVAL is here because some legacy version of winsock uses it - if (WSAGetLastError() == WSAEINPROGRESS || WSAGetLastError() == WSAEWOULDBLOCK || WSAGetLastError() == WSAEINVAL) - { - struct timeval timeout; - timeout.tv_sec = nTimeout / 1000; - timeout.tv_usec = (nTimeout % 1000) * 1000; - - fd_set fdset; - FD_ZERO(&fdset); - FD_SET(hSocket, &fdset); - int nRet = select(hSocket + 1, NULL, &fdset, NULL, &timeout); - if (nRet == 0) - { - printf("connection timeout\n"); - closesocket(hSocket); - return false; - } - if (nRet == SOCKET_ERROR) - { - printf("select() for connection failed: %i\n",WSAGetLastError()); - closesocket(hSocket); - return false; - } - socklen_t nRetSize = sizeof(nRet); -#ifdef __WXMSW__ - if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, (char*)(&nRet), &nRetSize) == SOCKET_ERROR) -#else - if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, &nRet, &nRetSize) == SOCKET_ERROR) -#endif - { - printf("getsockopt() for connection failed: %i\n",WSAGetLastError()); - closesocket(hSocket); - return false; - } - if (nRet != 0) - { - printf("connect() failed after select(): %s\n",strerror(nRet)); - closesocket(hSocket); - return false; - } - } -#ifdef __WXMSW__ - else if (WSAGetLastError() != WSAEISCONN) -#else - else -#endif - { - printf("connect() failed: %i\n",WSAGetLastError()); - closesocket(hSocket); - return false; - } - } - - /* - this isn't even strictly necessary - CNode::ConnectNode immediately turns the socket back to non-blocking - but we'll turn it back to blocking just in case - */ -#ifdef __WXMSW__ - fNonblock = 0; - if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR) -#else - fFlags = fcntl(hSocket, F_GETFL, 0); - if (fcntl(hSocket, F_SETFL, fFlags & !O_NONBLOCK) == SOCKET_ERROR) -#endif - { - closesocket(hSocket); - return false; - } - - if (fProxy) - { - printf("proxy connecting %s\n", addrConnect.ToString().c_str()); - char pszSocks4IP[] = "\4\1\0\0\0\0\0\0user"; - memcpy(pszSocks4IP + 2, &addrConnect.port, 2); - memcpy(pszSocks4IP + 4, &addrConnect.ip, 4); - char* pszSocks4 = pszSocks4IP; - int nSize = sizeof(pszSocks4IP); - - int ret = send(hSocket, pszSocks4, nSize, MSG_NOSIGNAL); - if (ret != nSize) - { - closesocket(hSocket); - return error("Error sending to proxy"); - } - char pchRet[8]; - if (recv(hSocket, pchRet, 8, 0) != 8) - { - closesocket(hSocket); - return error("Error reading proxy response"); - } - if (pchRet[1] != 0x5a) - { - closesocket(hSocket); - if (pchRet[1] != 0x5b) - printf("ERROR: Proxy returned error %d\n", pchRet[1]); - return false; - } - printf("proxy connected %s\n", addrConnect.ToString().c_str()); - } - - hSocketRet = hSocket; - return true; -} - -// portDefault is in host order -bool Lookup(const char *pszName, vector& vaddr, int nServices, int nMaxSolutions, bool fAllowLookup, int portDefault, bool fAllowPort) -{ - vaddr.clear(); - if (pszName[0] == 0) - return false; - int port = portDefault; - char psz[256]; - char *pszHost = psz; - strlcpy(psz, pszName, sizeof(psz)); - if (fAllowPort) - { - char* pszColon = strrchr(psz+1,':'); - char *pszPortEnd = NULL; - int portParsed = pszColon ? strtoul(pszColon+1, &pszPortEnd, 10) : 0; - if (pszColon && pszPortEnd && pszPortEnd[0] == 0) - { - if (psz[0] == '[' && pszColon[-1] == ']') - { - // Future: enable IPv6 colon-notation inside [] - pszHost = psz+1; - pszColon[-1] = 0; - } - else - pszColon[0] = 0; - port = portParsed; - if (port < 0 || port > USHRT_MAX) - port = USHRT_MAX; - } - } - - unsigned int addrIP = inet_addr(pszHost); - if (addrIP != INADDR_NONE) - { - // valid IP address passed - vaddr.push_back(CAddress(addrIP, port, nServices)); - return true; - } - - if (!fAllowLookup) - return false; - - struct hostent* phostent = gethostbyname(pszHost); - if (!phostent) - return false; - - if (phostent->h_addrtype != AF_INET) - return false; - - char** ppAddr = phostent->h_addr_list; - while (*ppAddr != NULL && vaddr.size() != nMaxSolutions) - { - CAddress addr(((struct in_addr*)ppAddr[0])->s_addr, port, nServices); - if (addr.IsValid()) - vaddr.push_back(addr); - ppAddr++; - } - - return (vaddr.size() > 0); -} - -// portDefault is in host order -bool Lookup(const char *pszName, CAddress& addr, int nServices, bool fAllowLookup, int portDefault, bool fAllowPort) -{ - vector vaddr; - bool fRet = Lookup(pszName, vaddr, nServices, 1, fAllowLookup, portDefault, fAllowPort); - if (fRet) - addr = vaddr[0]; - return fRet; -} - -bool GetMyExternalIP2(const CAddress& addrConnect, const char* pszGet, const char* pszKeyword, unsigned int& ipRet) +bool GetMyExternalIP2(const CService& addrConnect, const char* pszGet, const char* pszKeyword, CNetAddr& ipRet) { SOCKET hSocket; if (!ConnectSocket(addrConnect, hSocket)) @@ -327,11 +122,11 @@ bool GetMyExternalIP2(const CAddress& addrConnect, const char* pszGet, const cha strLine = strLine.substr(strspn(strLine.c_str(), " \t\n\r")); while (strLine.size() > 0 && isspace(strLine[strLine.size()-1])) strLine.resize(strLine.size()-1); - CAddress addr(strLine,0,true); + CService addr(strLine,0,true); printf("GetMyExternalIP() received [%s] %s\n", strLine.c_str(), addr.ToString().c_str()); - if (addr.ip == 0 || addr.ip == INADDR_NONE || !addr.IsRoutable()) + if (!addr.IsValid() || !addr.IsRoutable()) return false; - ipRet = addr.ip; + ipRet.SetIP(addr); return true; } } @@ -340,13 +135,13 @@ bool GetMyExternalIP2(const CAddress& addrConnect, const char* pszGet, const cha } // We now get our external IP from the IRC server first and only use this as a backup -bool GetMyExternalIP(unsigned int& ipRet) +bool GetMyExternalIP(CNetAddr& ipRet) { - CAddress addrConnect; + CService addrConnect; const char* pszGet; const char* pszKeyword; - if (fUseProxy) + if (fNoListen||fUseProxy) return false; for (int nLookup = 0; nLookup <= 1; nLookup++) @@ -358,11 +153,11 @@ bool GetMyExternalIP(unsigned int& ipRet) // if (nHost == 1) { - addrConnect = CAddress("91.198.22.70",80); // checkip.dyndns.org + addrConnect = CService("91.198.22.70",80); // checkip.dyndns.org if (nLookup == 1) { - CAddress addrIP("checkip.dyndns.org", 80, true); + CService addrIP("checkip.dyndns.org", 80, true); if (addrIP.IsValid()) addrConnect = addrIP; } @@ -377,11 +172,11 @@ bool GetMyExternalIP(unsigned int& ipRet) } else if (nHost == 2) { - addrConnect = CAddress("74.208.43.192", 80); // www.showmyip.com + addrConnect = CService("74.208.43.192", 80); // www.showmyip.com if (nLookup == 1) { - CAddress addrIP("www.showmyip.com", 80, true); + CService addrIP("www.showmyip.com", 80, true); if (addrIP.IsValid()) addrConnect = addrIP; } @@ -405,7 +200,7 @@ bool GetMyExternalIP(unsigned int& ipRet) void ThreadGetMyExternalIP(void* parg) { // Wait for IRC to get it first - if (!GetBoolArg("-noirc")) + if (GetBoolArg("-irc", false)) { for (int i = 0; i < 2 * 60; i++) { @@ -416,7 +211,7 @@ void ThreadGetMyExternalIP(void* parg) } // Fallback in case IRC fails to get it - if (GetMyExternalIP(addrLocalHost.ip)) + if (GetMyExternalIP(addrLocalHost)) { printf("GetMyExternalIP() returned %s\n", addrLocalHost.ToStringIP().c_str()); if (addrLocalHost.IsRoutable()) @@ -440,7 +235,7 @@ bool AddAddress(CAddress addr, int64 nTimePenalty, CAddrDB *pAddrDB) { if (!addr.IsRoutable()) return false; - if (addr.ip == addrLocalHost.ip) + if ((CService)addr == (CService)addrLocalHost) return false; addr.nTime = max((int64)0, (int64)addr.nTime - nTimePenalty); bool fUpdated = false; @@ -493,23 +288,27 @@ bool AddAddress(CAddress addr, int64 nTimePenalty, CAddrDB *pAddrDB) return fNew; } -void AddressCurrentlyConnected(const CAddress& addr) +void AddressCurrentlyConnected(const CService& addr) { + CAddress *paddrFound = NULL; + CRITICAL_BLOCK(cs_mapAddresses) { // Only if it's been published already map, CAddress>::iterator it = mapAddresses.find(addr.GetKey()); if (it != mapAddresses.end()) + paddrFound = &(*it).second; + } + + if (paddrFound) + { + int64 nUpdateInterval = 20 * 60; + if (paddrFound->nTime < GetAdjustedTime() - nUpdateInterval) { - CAddress& addrFound = (*it).second; - int64 nUpdateInterval = 20 * 60; - if (addrFound.nTime < GetAdjustedTime() - nUpdateInterval) - { - // Periodically update most recently seen time - addrFound.nTime = GetAdjustedTime(); - CAddrDB addrdb; - addrdb.WriteAddress(addrFound); - } + // Periodically update most recently seen time + paddrFound->nTime = GetAdjustedTime(); + CAddrDB addrdb; + addrdb.WriteAddress(*paddrFound); } } } @@ -619,23 +418,23 @@ void CNode::CancelSubscribe(unsigned int nChannel) -CNode* FindNode(unsigned int ip) +CNode* FindNode(const CNetAddr& ip) { CRITICAL_BLOCK(cs_vNodes) { BOOST_FOREACH(CNode* pnode, vNodes) - if (pnode->addr.ip == ip) + if ((CNetAddr)pnode->addr == ip) return (pnode); } return NULL; } -CNode* FindNode(CAddress addr) +CNode* FindNode(const CService& addr) { CRITICAL_BLOCK(cs_vNodes) { BOOST_FOREACH(CNode* pnode, vNodes) - if (pnode->addr == addr) + if ((CService)pnode->addr == addr) return (pnode); } return NULL; @@ -643,11 +442,11 @@ CNode* FindNode(CAddress addr) CNode* ConnectNode(CAddress addrConnect, int64 nTimeout) { - if (addrConnect.ip == addrLocalHost.ip) + if ((CNetAddr)addrConnect == (CNetAddr)addrLocalHost) return NULL; // Look for an existing connection - CNode* pnode = FindNode(addrConnect.ip); + CNode* pnode = FindNode((CService)addrConnect); if (pnode) { if (nTimeout != 0) @@ -674,7 +473,7 @@ CNode* ConnectNode(CAddress addrConnect, int64 nTimeout) printf("connected %s\n", addrConnect.ToString().c_str()); // Set to nonblocking -#ifdef __WXMSW__ +#ifdef WIN32 u_long nOne = 1; if (ioctlsocket(hSocket, FIONBIO, &nOne) == SOCKET_ERROR) printf("ConnectSocket() : ioctlsocket nonblocking setting failed, error %d\n", WSAGetLastError()); @@ -726,6 +525,67 @@ void CNode::Cleanup() } +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 ? CAddress(CService("0.0.0.0",0)) : addrLocalHost); + RAND_bytes((unsigned char*)&nLocalHostNonce, sizeof(nLocalHostNonce)); + PushMessage("version", PROTOCOL_VERSION, nLocalServices, nTime, addrYou, addrMe, + nLocalHostNonce, FormatSubVersion(CLIENT_NAME, CLIENT_VERSION, std::vector()), nBestHeight); +} + + + + + +std::map CNode::setBanned; +CCriticalSection CNode::cs_setBanned; + +void CNode::ClearBanned() +{ + setBanned.clear(); +} + +bool CNode::IsBanned(CNetAddr ip) +{ + bool fResult = false; + CRITICAL_BLOCK(cs_setBanned) + { + std::map::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", addr.ToString().c_str()); + 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) + if (setBanned[addr] < banTime) + setBanned[addr] = banTime; + CloseSocketDisconnect(); + printf("Disconnected %s for misbehavior (score=%d)\n", addr.ToString().c_str(), nMisbehavior); + return true; + } + return false; +} + @@ -894,6 +754,13 @@ void ThreadSocketHandler2(void* parg) } else if (nInbound >= GetArg("-maxconnections", 125) - MAX_OUTBOUND_CONNECTIONS) { + CRITICAL_BLOCK(cs_setservAddNodeAddresses) + if (!setservAddNodeAddresses.count(addr)) + closesocket(hSocket); + } + else if (CNode::IsBanned(addr)) + { + printf("connetion from %s dropped (banned)\n", addr.ToString().c_str()); closesocket(hSocket); } else @@ -1077,14 +944,19 @@ void ThreadMapPort2(void* parg) char port[6]; sprintf(port, "%d", GetListenPort()); - const char * rootdescurl = 0; const char * multicastif = 0; const char * minissdpdpath = 0; - int error = 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; @@ -1093,17 +965,23 @@ void ThreadMapPort2(void* parg) r = UPNP_GetValidIGD(devlist, &urls, &data, lanaddr, sizeof(lanaddr)); if (r == 1) { - char intClient[16]; - char intPort[6]; string strDesc = "Bitcoin " + FormatFullVersion(); +#ifndef UPNPDISCOVER_SUCCESS + /* miniupnpc 1.5 */ r = UPNP_AddPortMapping(urls.controlURL, data.first.servicetype, - port, port, lanaddr, strDesc.c_str(), "TCP", 0, "0"); + 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) { @@ -1113,7 +991,26 @@ void ThreadMapPort2(void* parg) 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"); @@ -1159,37 +1056,58 @@ void MapPort(bool /* unused fMapPort */) static const char *strDNSSeed[] = { "bitseed.xf2.org", - "bitseed.bitcoin.org.uk", "dnsseed.bluematt.me", + "seed.bitcoin.sipa.be", + "dnsseed.bitcoin.dashjr.org", }; -void DNSAddressSeed() +void ThreadDNSAddressSeed(void* parg) { + IMPLEMENT_RANDOMIZE_STACK(ThreadDNSAddressSeed(parg)); + try + { + vnThreadsRunning[6]++; + ThreadDNSAddressSeed2(parg); + vnThreadsRunning[6]--; + } + catch (std::exception& e) { + vnThreadsRunning[6]--; + PrintException(&e, "ThreadDNSAddressSeed()"); + } catch (...) { + vnThreadsRunning[6]--; + throw; // support pthread_cancel() + } + printf("ThreadDNSAddressSeed exiting\n"); +} + +void ThreadDNSAddressSeed2(void* parg) +{ + printf("ThreadDNSAddressSeed started\n"); int found = 0; if (!fTestNet) { printf("Loading addresses from DNS seeds (could take a while)\n"); - CAddrDB addrDB; - addrDB.TxnBegin(); for (int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) { - vector vaddr; - if (Lookup(strDNSSeed[seed_idx], vaddr, NODE_NETWORK, -1, true)) + vector vaddr; + if (LookupHost(strDNSSeed[seed_idx], vaddr)) { - BOOST_FOREACH (CAddress& addr, vaddr) + CAddrDB addrDB; + addrDB.TxnBegin(); + BOOST_FOREACH (CNetAddr& ip, vaddr) { - if (addr.GetByte(3) != 127) + if (ip.IsRoutable()) { + CAddress addr(CService(ip, GetDefaultPort()), NODE_NETWORK); addr.nTime = 0; AddAddress(addr, 0, &addrDB); found++; } } + addrDB.TxnCommit(); // Save addresses (it's ok if this fails) } } - - addrDB.TxnCommit(); // Save addresses (it's ok if this fails) } printf("%d addresses found from DNS seeds\n", found); @@ -1197,72 +1115,94 @@ void DNSAddressSeed() + + + + + + + + + unsigned int pnSeed[] = { - 0x6884ac63, 0x3ffecead, 0x2919b953, 0x0942fe50, 0x7a1d922e, 0xcdd6734a, 0x953a5bb6, 0x2c46922e, - 0xe2a5f143, 0xaa39103a, 0xa06afa5c, 0x135ffd59, 0xe8e82863, 0xf61ef029, 0xf75f042e, 0x2b363532, - 0x29b2df42, 0x16b1f64e, 0xd46e281b, 0x5280bf58, 0x60372229, 0x1be58e4f, 0xa8496f45, 0x1fb1a057, - 0x756b3844, 0x3bb79445, 0x0b375518, 0xcccb0102, 0xb682bf2e, 0x46431c02, 0x3a81073a, 0xa3771f1f, - 0x213a121f, 0x85dc2c1b, 0x56b4323b, 0xb34e8945, 0x3c40b33d, 0xfa276418, 0x1f818d29, 0xebe1e344, - 0xf6160a18, 0xf4fa384a, 0x34b09558, 0xb882b543, 0xe3ce2253, 0x6abf56d8, 0xe91b1155, 0x688ee6ad, - 0x2efc6058, 0x4792cd47, 0x0c32f757, 0x4c813a46, 0x8c93644a, 0x37507444, 0x813ad218, 0xdac06d4a, - 0xe4c63e4b, 0x21a1ea3c, 0x8d88556f, 0x30e9173a, 0x041f681b, 0xdc77ba50, 0xc0072753, 0xceddd44f, - 0x052d1743, 0xe3c77a4a, 0x13981c3a, 0x5685d918, 0x3c0e4e70, 0x3e56fb54, 0xb676ae0c, 0xac93c859, - 0x22279f43, 0x975a4542, 0xe527f071, 0xea162f2e, 0x3c65a32e, 0x5be5713b, 0x961ec418, 0xb202922e, - 0x5ef7be50, 0xce49f53e, 0x05803b47, 0x8463b055, 0x78576153, 0x3ec2ae3a, 0x4bbd7118, 0xafcee043, - 0x56a3e8ba, 0x6174de4d, 0x8d01ba4b, 0xc9af564e, 0xdbc9c547, 0xa627474d, 0xdada9244, 0xd3b3083a, - 0x523e071f, 0xd6b96f18, 0xbd527c46, 0xdf2bbb4d, 0xd37b4a4b, 0x3a6a2158, 0xc064b055, 0x18a8e055, - 0xec4dae3b, 0x0540416c, 0x475b4fbe, 0x064803b2, 0x48e9f062, 0x2898524b, 0xd315ff43, 0xf786d247, - 0xc7ea2f3e, 0xc087f043, 0xc163354b, 0x8250284d, 0xed300029, 0xbf36e05c, 0x8eb3ae4c, 0xe7aa623e, - 0x7ced0274, 0xdd362c1b, 0x362b995a, 0xca26b629, 0x3fc41618, 0xb97b364e, 0xa05b8729, 0x0f5e3c43, - 0xdf942618, 0x6aeb9b5b, 0xbf04762e, 0xfaaeb118, 0x87579958, 0x76520044, 0xc2660c5b, 0x628b201b, - 0xf193932e, 0x1c0ad045, 0xff908346, 0x8da9d4da, 0xed201c1f, 0xa47a2b1b, 0x330007d4, 0x8ba1ed47, - 0xb2f02d44, 0x7db62c1b, 0x781c454b, 0xc0300029, 0xb7062a45, 0x88b52e3a, 0x78dd6b63, 0x1cb9b718, - 0x5d358e47, 0x59912c3b, 0x79607544, 0x5197f759, 0xc023be48, 0xd1013743, 0x0f354057, 0x8e3aac3b, - 0x4114693e, 0x22316318, 0xe27dda50, 0x878eac3b, 0x4948a21f, 0x5db7f24c, 0x8ccb6157, 0x26a5de18, - 0x0a11bd43, 0x27bb1e41, 0x60a7a951, 0x3e16b35e, 0x07888b53, 0x5648a853, 0x0149fe50, 0xd070a34f, - 0x6454c96d, 0xd6e54758, 0xa96dc152, 0x65447861, 0xf6bdf95e, 0x10400202, 0x2c29d483, 0x18174732, - 0x1d840618, 0x12e61818, 0x089d3f3c, 0x917e931f, 0xd1b0c90e, 0x25bd3c42, 0xeb05775b, 0x7d550c59, - 0x6cfacb01, 0xe4224444, 0xa41dd943, 0x0f5aa643, 0x5e33731b, 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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, }; @@ -1297,7 +1237,7 @@ void ThreadOpenConnections2(void* parg) { BOOST_FOREACH(string strAddr, mapMultiArgs["-connect"]) { - CAddress addr(strAddr, fAllowDNS); + CAddress addr(CService(strAddr, GetDefaultPort(), fAllowDNS)); if (addr.IsValid()) OpenNetworkConnection(addr); for (int i = 0; i < 10 && i < nLoop; i++) @@ -1310,22 +1250,6 @@ void ThreadOpenConnections2(void* parg) } } - // Connect to manually added nodes first - if (mapArgs.count("-addnode")) - { - BOOST_FOREACH(string strAddr, mapMultiArgs["-addnode"]) - { - CAddress addr(strAddr, fAllowDNS); - if (addr.IsValid()) - { - OpenNetworkConnection(addr); - Sleep(500); - if (fShutdown) - return; - } - } - } - // Initiate network connections int64 nStart = GetTime(); loop @@ -1352,40 +1276,45 @@ void ThreadOpenConnections2(void* parg) if (fShutdown) return; + bool fAddSeeds = false; + CRITICAL_BLOCK(cs_mapAddresses) { // Add seed nodes if IRC isn't working - bool fTOR = (fUseProxy && addrProxy.port == htons(9050)); + bool fTOR = (fUseProxy && addrProxy.GetPort() == 9050); if (mapAddresses.empty() && (GetTime() - nStart > 60 || fTOR) && !fTestNet) + fAddSeeds = true; + } + + if (fAddSeeds) + { + for (int i = 0; i < ARRAYLEN(pnSeed); i++) { - for (int i = 0; i < ARRAYLEN(pnSeed); i++) - { - // It'll only connect to one or two seed nodes because once it connects, - // it'll get a pile of addresses with newer timestamps. - // Seed nodes are given a random 'last seen time' of between one and two - // weeks ago. - const int64 nOneWeek = 7*24*60*60; - CAddress addr; - addr.ip = pnSeed[i]; - addr.nTime = GetTime()-GetRand(nOneWeek)-nOneWeek; - AddAddress(addr); - } + // 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; + AddAddress(addr); } } - // // Choose an address to connect to based on most recently seen // CAddress addrConnect; - int64 nBest = INT64_MIN; + int64 nBest = std::numeric_limits::min(); // Only connect to one address per a.b.?.? range. // Do this here so we don't have to critsect vNodes inside mapAddresses critsect. - set setConnected; + set > setConnected; CRITICAL_BLOCK(cs_vNodes) BOOST_FOREACH(CNode* pnode, vNodes) - setConnected.insert(pnode->addr.ip & 0x0000ffff); + setConnected.insert(pnode->addr.GetGroup()); int64 nANow = GetAdjustedTime(); @@ -1394,14 +1323,14 @@ void ThreadOpenConnections2(void* parg) BOOST_FOREACH(const PAIRTYPE(vector, CAddress)& item, mapAddresses) { const CAddress& addr = item.second; - if (!addr.IsIPv4() || !addr.IsValid() || setConnected.count(addr.ip & 0x0000ffff)) + if (!addr.IsIPv4() || !addr.IsValid() || setConnected.count(addr.GetGroup())) continue; int64 nSinceLastSeen = nANow - addr.nTime; int64 nSinceLastTry = nANow - addr.nLastTry; // Randomize the order in a deterministic way, putting the standard port first - int64 nRandomizer = (uint64)(nStart * 4951 + addr.nLastTry * 9567851 + addr.ip * 7789) % (2 * 60 * 60); - if (addr.port != htons(GetDefaultPort())) + int64 nRandomizer = (uint64)(nStart * 4951 + addr.nLastTry * 9567851 + addr.GetHash()) % (2 * 60 * 60); + if (addr.GetPort() != GetDefaultPort()) nRandomizer += 2 * 60 * 60; // Last seen Base retry frequency @@ -1449,6 +1378,76 @@ void ThreadOpenConnections2(void* parg) } } +void ThreadOpenAddedConnections(void* parg) +{ + IMPLEMENT_RANDOMIZE_STACK(ThreadOpenAddedConnections(parg)); + try + { + vnThreadsRunning[7]++; + ThreadOpenAddedConnections2(parg); + vnThreadsRunning[7]--; + } + catch (std::exception& e) { + vnThreadsRunning[7]--; + PrintException(&e, "ThreadOpenAddedConnections()"); + } catch (...) { + vnThreadsRunning[7]--; + PrintException(NULL, "ThreadOpenAddedConnections()"); + } + printf("ThreadOpenAddedConnections exiting\n"); +} + +void ThreadOpenAddedConnections2(void* parg) +{ + printf("ThreadOpenAddedConnections started\n"); + + if (mapArgs.count("-addnode") == 0) + return; + + vector > vservAddressesToAdd(0); + BOOST_FOREACH(string& strAddNode, mapMultiArgs["-addnode"]) + { + vector vservNode(0); + if(Lookup(strAddNode.c_str(), vservNode, GetDefaultPort(), fAllowDNS, 0)) + { + vservAddressesToAdd.push_back(vservNode); + CRITICAL_BLOCK(cs_setservAddNodeAddresses) + BOOST_FOREACH(CService& serv, vservNode) + setservAddNodeAddresses.insert(serv); + } + } + loop + { + vector > 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) + BOOST_FOREACH(CNode* pnode, vNodes) + for (vector >::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& vserv, vservConnectAddresses) + { + OpenNetworkConnection(CAddress(*(vserv.begin()))); + Sleep(500); + if (fShutdown) + return; + } + if (fShutdown) + return; + vnThreadsRunning[7]--; + Sleep(120000); // Retry every 2 minutes + vnThreadsRunning[7]++; + if (fShutdown) + return; + } +} + bool OpenNetworkConnection(const CAddress& addrConnect) { // @@ -1456,7 +1455,8 @@ bool OpenNetworkConnection(const CAddress& addrConnect) // if (fShutdown) return false; - if (addrConnect.ip == addrLocalHost.ip || !addrConnect.IsIPv4() || FindNode(addrConnect.ip)) + if ((CNetAddr)addrConnect == (CNetAddr)addrLocalHost || !addrConnect.IsIPv4() || + FindNode((CNetAddr)addrConnect) || CNode::IsBanned(addrConnect)) return false; vnThreadsRunning[1]--; @@ -1558,9 +1558,9 @@ bool BindListenPort(string& strError) { strError = ""; int nOne = 1; - addrLocalHost.port = htons(GetListenPort()); + addrLocalHost.SetPort(GetListenPort()); -#ifdef __WXMSW__ +#ifdef WIN32 // Initialize Windows Sockets WSADATA wsadata; int ret = WSAStartup(MAKEWORD(2,2), &wsadata); @@ -1586,13 +1586,13 @@ bool BindListenPort(string& strError) setsockopt(hListenSocket, SOL_SOCKET, SO_NOSIGPIPE, (void*)&nOne, sizeof(int)); #endif -#ifndef __WXMSW__ +#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 __WXMSW__ +#ifdef WIN32 // Set to nonblocking, incoming connections will also inherit this if (ioctlsocket(hListenSocket, FIONBIO, (u_long*)&nOne) == SOCKET_ERROR) #else @@ -1637,19 +1637,19 @@ bool BindListenPort(string& strError) void StartNode(void* parg) { if (pnodeLocalHost == NULL) - pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress("127.0.0.1", 0, false, nLocalServices)); + pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress(CService("127.0.0.1", 0), nLocalServices)); -#ifdef __WXMSW__ +#ifdef WIN32 // Get local host ip char pszHostName[1000] = ""; if (gethostname(pszHostName, sizeof(pszHostName)) != SOCKET_ERROR) { - vector vaddr; - if (Lookup(pszHostName, vaddr, nLocalServices, -1, true)) - BOOST_FOREACH (const CAddress &addr, vaddr) - if (addr.GetByte(3) != 127) + vector vaddr; + if (LookupHost(pszHostName, vaddr)) + BOOST_FOREACH (const CNetAddr &addr, vaddr) + if (!addr.IsLocal()) { - addrLocalHost = addr; + addrLocalHost.SetIP(addr); break; } } @@ -1672,8 +1672,8 @@ void StartNode(void* parg) printf("ipv4 %s: %s\n", ifa->ifa_name, pszIP); // Take the first IP that isn't loopback 127.x.x.x - CAddress addr(*(unsigned int*)&s4->sin_addr, GetListenPort(), nLocalServices); - if (addr.IsValid() && addr.GetByte(3) != 127) + CAddress addr(CService(s4->sin_addr, GetListenPort()), nLocalServices); + if (addr.IsValid() && !addr.IsLocal()) { addrLocalHost = addr; break; @@ -1694,7 +1694,7 @@ void StartNode(void* parg) if (fUseProxy || mapArgs.count("-connect") || fNoListen) { // Proxies can't take incoming connections - addrLocalHost.ip = CAddress("0.0.0.0").ip; + addrLocalHost.SetIP(CNetAddr("0.0.0.0")); printf("addrLocalHost = %s\n", addrLocalHost.ToString().c_str()); } else @@ -1706,6 +1706,12 @@ void StartNode(void* parg) // 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 (fHaveUPnP) MapPort(fUseUPnP); @@ -1715,7 +1721,12 @@ void StartNode(void* parg) printf("Error: CreateThread(ThreadIRCSeed) failed\n"); // Send and receive from sockets, accept connections - CreateThread(ThreadSocketHandler, NULL); + 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)) @@ -1736,9 +1747,7 @@ bool StopNode() nTransactionsUpdated++; int64 nStart = GetTime(); while (vnThreadsRunning[0] > 0 || vnThreadsRunning[2] > 0 || vnThreadsRunning[3] > 0 || vnThreadsRunning[4] > 0 -#ifdef USE_UPNP - || vnThreadsRunning[5] > 0 -#endif + || (fHaveUPnP && vnThreadsRunning[5] > 0) || vnThreadsRunning[6] > 0 || vnThreadsRunning[7] > 0 ) { if (GetTime() - nStart > 20) @@ -1751,6 +1760,8 @@ bool StopNode() if (vnThreadsRunning[3] > 0) printf("ThreadBitcoinMiner still running\n"); if (vnThreadsRunning[4] > 0) printf("ThreadRPCServer still running\n"); if (fHaveUPnP && vnThreadsRunning[5] > 0) printf("ThreadMapPort still running\n"); + if (vnThreadsRunning[6] > 0) printf("ThreadDNSAddressSeed still running\n"); + if (vnThreadsRunning[7] > 0) printf("ThreadOpenAddedConnections still running\n"); while (vnThreadsRunning[2] > 0 || vnThreadsRunning[4] > 0) Sleep(20); Sleep(50); @@ -1774,7 +1785,7 @@ public: if (closesocket(hListenSocket) == SOCKET_ERROR) printf("closesocket(hListenSocket) failed with error %d\n", WSAGetLastError()); -#ifdef __WXMSW__ +#ifdef WIN32 // Shutdown Windows Sockets WSACleanup(); #endif