X-Git-Url: https://git.novaco.in/?a=blobdiff_plain;f=src%2Fnet.cpp;h=5b3faea79ddc146abc4ccefdeb1dca1753c6ee28;hb=a93ab877877925c60b2dbf56bdde8aa46b6b7391;hp=df98457c729cfcfc87af78a1edf07760c095294e;hpb=99860de3c9b5809110538e1ab2d4e216d77b5aaf;p=novacoin.git diff --git a/src/net.cpp b/src/net.cpp index df98457..5b3faea 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. @@ -10,13 +10,8 @@ #include "init.h" #include "strlcpy.h" -#ifdef __WXMSW__ +#ifdef WIN32 #include -// This file can be downloaded as a part of the Windows Platform SDK -// and is required for Bitcoin binaries to work properly on versions -// of Windows before XP. If you are doing builds of Bitcoin for -// public release, you should uncomment this line. -//#include #endif #ifdef USE_UPNP @@ -37,6 +32,7 @@ void ThreadOpenConnections2(void* parg); #ifdef USE_UPNP void ThreadMapPort2(void* parg); #endif +void ThreadDNSAddressSeed2(void* parg); bool OpenNetworkConnection(const CAddress& addrConnect); @@ -107,7 +103,7 @@ bool ConnectSocket(const CAddress& addrConnect, SOCKET& hSocketRet, int nTimeout bool fProxy = (fUseProxy && addrConnect.IsRoutable()); struct sockaddr_in sockaddr = (fProxy ? addrProxy.GetSockAddr() : addrConnect.GetSockAddr()); -#ifdef __WXMSW__ +#ifdef WIN32 u_long fNonblock = 1; if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR) #else @@ -146,7 +142,7 @@ bool ConnectSocket(const CAddress& addrConnect, SOCKET& hSocketRet, int nTimeout return false; } socklen_t nRetSize = sizeof(nRet); -#ifdef __WXMSW__ +#ifdef WIN32 if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, (char*)(&nRet), &nRetSize) == SOCKET_ERROR) #else if (getsockopt(hSocket, SOL_SOCKET, SO_ERROR, &nRet, &nRetSize) == SOCKET_ERROR) @@ -163,7 +159,7 @@ bool ConnectSocket(const CAddress& addrConnect, SOCKET& hSocketRet, int nTimeout return false; } } -#ifdef __WXMSW__ +#ifdef WIN32 else if (WSAGetLastError() != WSAEISCONN) #else else @@ -180,7 +176,7 @@ bool ConnectSocket(const CAddress& addrConnect, SOCKET& hSocketRet, int nTimeout CNode::ConnectNode immediately turns the socket back to non-blocking but we'll turn it back to blocking just in case */ -#ifdef __WXMSW__ +#ifdef WIN32 fNonblock = 0; if (ioctlsocket(hSocket, FIONBIO, &fNonblock) == SOCKET_ERROR) #else @@ -320,14 +316,14 @@ bool GetMyExternalIP2(const CAddress& addrConnect, const char* pszGet, const cha } if (pszKeyword == NULL) break; - if (strLine.find(pszKeyword) != -1) + if (strLine.find(pszKeyword) != string::npos) { strLine = strLine.substr(strLine.find(pszKeyword) + strlen(pszKeyword)); break; } } closesocket(hSocket); - if (strLine.find("<") != -1) + 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])) @@ -448,6 +444,10 @@ bool AddAddress(CAddress addr, int64 nTimePenalty, CAddrDB *pAddrDB) if (addr.ip == addrLocalHost.ip) return false; addr.nTime = max((int64)0, (int64)addr.nTime - nTimePenalty); + bool fUpdated = false; + bool fNew = false; + CAddress addrFound = addr; + CRITICAL_BLOCK(cs_mapAddresses) { map, CAddress>::iterator it = mapAddresses.find(addr.GetKey()); @@ -456,16 +456,12 @@ bool AddAddress(CAddress addr, int64 nTimePenalty, CAddrDB *pAddrDB) // New address printf("AddAddress(%s)\n", addr.ToString().c_str()); mapAddresses.insert(make_pair(addr.GetKey(), addr)); - if (pAddrDB) - pAddrDB->WriteAddress(addr); - else - CAddrDB().WriteAddress(addr); - return true; + fUpdated = true; + fNew = true; } else { - bool fUpdated = false; - CAddress& addrFound = (*it).second; + addrFound = (*it).second; if ((addrFound.nServices | addr.nServices) != addrFound.nServices) { // Services have been added @@ -480,35 +476,45 @@ bool AddAddress(CAddress addr, int64 nTimePenalty, CAddrDB *pAddrDB) addrFound.nTime = addr.nTime; fUpdated = true; } - if (fUpdated) - { - if (pAddrDB) - pAddrDB->WriteAddress(addrFound); - else - CAddrDB().WriteAddress(addrFound); - } } } - return false; + // There is a nasty deadlock bug if this is done inside the cs_mapAddresses + // CRITICAL_BLOCK: + // Thread 1: begin db transaction (locks inside-db-mutex) + // then AddAddress (locks cs_mapAddresses) + // Thread 2: AddAddress (locks cs_mapAddresses) + // ... then db operation hangs waiting for inside-db-mutex + if (fUpdated) + { + if (pAddrDB) + pAddrDB->WriteAddress(addrFound); + else + CAddrDB().WriteAddress(addrFound); + } + return fNew; } void AddressCurrentlyConnected(const CAddress& 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); } } } @@ -673,7 +679,7 @@ 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()); @@ -710,6 +716,7 @@ void CNode::CloseSocketDisconnect() printf("disconnecting node %s\n", addr.ToString().c_str()); closesocket(hSocket); hSocket = INVALID_SOCKET; + vRecv.clear(); } } @@ -725,6 +732,52 @@ void CNode::Cleanup() } +std::map CNode::setBanned; +CCriticalSection CNode::cs_setBanned; + +void CNode::ClearBanned() +{ + setBanned.clear(); +} + +bool CNode::IsBanned(unsigned int 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.ip] < banTime) + setBanned[addr.ip] = banTime; + CloseSocketDisconnect(); + printf("Disconnected %s for misbehavior (score=%d)\n", addr.ToString().c_str(), nMisbehavior); + return true; + } + return false; +} + @@ -862,7 +915,7 @@ void ThreadSocketHandler2(void* parg) if (hSocketMax > -1) { 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); @@ -879,13 +932,17 @@ void ThreadSocketHandler2(void* parg) struct sockaddr_in sockaddr; socklen_t len = sizeof(sockaddr); SOCKET hSocket = accept(hListenSocket, (struct sockaddr*)&sockaddr, &len); - CAddress addr(sockaddr); + CAddress addr; int nInbound = 0; + if (hSocket != INVALID_SOCKET) + addr = CAddress(sockaddr); + CRITICAL_BLOCK(cs_vNodes) BOOST_FOREACH(CNode* pnode, vNodes) if (pnode->fInbound) nInbound++; + if (hSocket == INVALID_SOCKET) { if (WSAGetLastError() != WSAEWOULDBLOCK) @@ -895,6 +952,11 @@ void ThreadSocketHandler2(void* parg) { closesocket(hSocket); } + else if (CNode::IsBanned(addr.ip)) + { + printf("connection from %s dropped (banned)\n", addr.ToString().c_str()); + closesocket(hSocket); + } else { printf("accepted connection %s\n", addr.ToString().c_str()); @@ -1076,13 +1138,19 @@ void ThreadMapPort2(void* parg) char port[6]; sprintf(port, "%d", GetListenPort()); - const char * rootdescurl = 0; 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; @@ -1091,22 +1159,43 @@ 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(); + if (!addrLocalHost.IsRoutable()) + { + 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); + CAddress addrExternalFromUPnP(externalIPAddress, 0, false, nLocalServices); + if (addrExternalFromUPnP.IsRoutable()) + addrLocalHost = addrExternalFromUPnP; + } + else + printf("UPnP: GetExternalIPAddress failed.\n"); + } + } -#ifndef __WXMSW__ + 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); + 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"); + 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) { @@ -1116,7 +1205,26 @@ 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"); @@ -1162,24 +1270,45 @@ 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++) { + for (unsigned int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); seed_idx++) { vector vaddr; if (Lookup(strDNSSeed[seed_idx], vaddr, NODE_NETWORK, -1, true)) { + CAddrDB addrDB; + addrDB.TxnBegin(); BOOST_FOREACH (CAddress& addr, vaddr) { if (addr.GetByte(3) != 127) @@ -1189,10 +1318,9 @@ void DNSAddressSeed() 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); @@ -1200,48 +1328,94 @@ void DNSAddressSeed() + + + + + + + + + unsigned int pnSeed[] = { - 0x1ddb1032, 0x6242ce40, 0x52d6a445, 0x2dd7a445, 0x8a53cd47, 0x73263750, 0xda23c257, 0xecd4ed57, - 0x0a40ec59, 0x75dce160, 0x7df76791, 0x89370bad, 0xa4f214ad, 0x767700ae, 0x638b0418, 0x868a1018, - 0xcd9f332e, 0x0129653e, 0xcc92dc3e, 0x96671640, 0x56487e40, 0x5b66f440, 0xb1d01f41, 0xf1dc6041, - 0xc1d12b42, 0x86ba1243, 0x6be4df43, 0x6d4cef43, 0xd18e0644, 0x1ab0b344, 0x6584a345, 0xe7c1a445, - 0x58cea445, 0xc5daa445, 0x21dda445, 0x3d3b5346, 0x13e55347, 0x1080d24a, 0x8e611e4b, 0x81518e4b, - 0x6c839e4b, 0xe2ad0a4c, 0xfbbc0a4c, 0x7f5b6e4c, 0x7244224e, 0x1300554e, 0x20690652, 0x5a48b652, - 0x75c5c752, 0x4335cc54, 0x340fd154, 0x87c07455, 0x087b2b56, 0x8a133a57, 0xac23c257, 0x70374959, - 0xfb63d45b, 0xb9a1685c, 0x180d765c, 0x674f645d, 0x04d3495e, 0x1de44b5e, 0x4ee8a362, 0x0ded1b63, - 0xc1b04b6d, 0x8d921581, 0x97b7ea82, 0x1cf83a8e, 0x91490bad, 0x09dc75ae, 0x9a6d79ae, 0xa26d79ae, - 0x0fd08fae, 0x0f3e3fb2, 0x4f944fb2, 0xcca448b8, 0x3ecd6ab8, 0xa9d5a5bc, 0x8d0119c1, 0x045997d5, - 0xca019dd9, 0x0d526c4d, 0xabf1ba44, 0x66b1ab55, 0x1165f462, 0x3ed7cbad, 0xa38fae6e, 0x3bd2cbad, - 0xd36f0547, 0x20df7840, 0x7a337742, 0x549f8e4b, 0x9062365c, 0xd399f562, 0x2b5274a1, 0x8edfa153, - 0x3bffb347, 0x7074bf58, 0xb74fcbad, 0x5b5a795b, 0x02fa29ce, 0x5a6738d4, 0xe8a1d23e, 0xef98c445, - 0x4b0f494c, 0xa2bc1e56, 0x7694ad63, 0xa4a800c3, 0x05fda6cd, 0x9f22175e, 0x364a795b, 0x536285d5, - 0xac44c9d4, 0x0b06254d, 0x150c2fd4, 0x32a50dcc, 0xfd79ce48, 0xf15cfa53, 0x66c01e60, 0x6bc26661, - 0xc03b47ae, 0x4dda1b81, 0x3285a4c1, 0x883ca96d, 0x35d60a4c, 0xdae09744, 0x2e314d61, 0x84e247cf, - 0x6c814552, 0x3a1cc658, 0x98d8f382, 0xe584cb5b, 0x15e86057, 0x7b01504e, 0xd852dd48, 0x56382f56, - 0x0a5df454, 0xa0d18d18, 0x2e89b148, 0xa79c114c, 0xcbdcd054, 0x5523bc43, 0xa9832640, 0x8a066144, - 0x3894c3bc, 0xab76bf58, 0x6a018ac1, 0xfebf4f43, 0x2f26c658, 0x31102f4e, 0x85e929d5, 0x2a1c175e, - 0xfc6c2cd1, 0x27b04b6d, 0xdf024650, 0x161748b8, 0x28be6580, 0x57be6580, 0x1cee677a, 0xaa6bb742, - 0x9a53964b, 0x0a5a2d4d, 0x2434c658, 0x9a494f57, 0x1ebb0e48, 0xf610b85d, 0x077ecf44, 0x085128bc, - 0x5ba17a18, 0x27ca1b42, 0xf8a00b56, 0xfcd4c257, 0xcf2fc15e, 0xd897e052, 0x4cada04f, 0x2f35f6d5, - 0x382ce8c9, 0xe523984b, 0x3f946846, 0x60c8be43, 0x41da6257, 0xde0be142, 0xae8a544b, 0xeff0c254, - 0x1e0f795b, 0xaeb28890, 0xca16acd9, 0x1e47ddd8, 0x8c8c4829, 0xd27dc747, 0xd53b1663, 0x4096b163, - 0x9c8dd958, 0xcb12f860, 0x9e79305c, 0x40c1a445, 0x4a90c2bc, 0x2c3a464d, 0x2727f23c, 0x30b04b6d, - 0x59024cb8, 0xa091e6ad, 0x31b04b6d, 0xc29d46a6, 0x63934fb2, 0xd9224dbe, 0x9f5910d8, 0x7f530a6b, - 0x752e9c95, 0x65453548, 0xa484be46, 0xce5a1b59, 0x710e0718, 0x46a13d18, 0xdaaf5318, 0xc4a8ff53, - 0x87abaa52, 0xb764cf51, 0xb2025d4a, 0x6d351e41, 0xc035c33e, 0xa432c162, 0x61ef34ae, 0xd16fddbc, - 0x0870e8c1, 0x3070e8c1, 0x9c71e8c1, 0xa4992363, 0x85a1f663, 0x4184e559, 0x18d96ed8, 0x17b8dbd5, - 0x60e7cd18, 0xe5ee104c, 0xab17ac62, 0x1e786e1b, 0x5d23b762, 0xf2388fae, 0x88270360, 0x9e5b3d80, - 0x7da518b2, 0xb5613b45, 0x1ad41f3e, 0xd550854a, 0x8617e9a9, 0x925b229c, 0xf2e92542, 0x47af0544, - 0x73b5a843, 0xb9b7a0ad, 0x03a748d0, 0x0a6ff862, 0x6694df62, 0x3bfac948, 0x8e098f4f, 0x746916c3, - 0x02f38e4f, 0x40bb1243, 0x6a54d162, 0x6008414b, 0xa513794c, 0x514aa343, 0x63781747, 0xdbb6795b, - 0xed065058, 0x42d24b46, 0x1518794c, 0x9b271681, 0x73e4ffad, 0x0654784f, 0x438dc945, 0x641846a6, - 0x2d1b0944, 0x94b59148, 0x8d369558, 0xa5a97662, 0x8b705b42, 0xce9204ae, 0x8d584450, 0x2df61555, - 0xeebff943, 0x2e75fb4d, 0x3ef8fc57, 0x9921135e, 0x8e31042e, 0xb5afad43, 0x89ecedd1, 0x9cfcc047, - 0x8fcd0f4c, 0xbe49f5ad, 0x146a8d45, 0x98669ab8, 0x98d9175e, 0xd1a8e46d, 0x839a3ab8, 0x40a0016c, - 0x6d27c257, 0x977fffad, 0x7baa5d5d, 0x1213be43, 0xb167e5a9, 0x640fe8ca, 0xbc9ea655, 0x0f820a4c, - 0x0f097059, 0x69ac957c, 0x366d8453, 0xb1ba2844, 0x8857f081, 0x70b5be63, 0xc545454b, 0xaf36ded1, - 0xb5a4b052, 0x21f062d1, 0x72ab89b2, 0x74a45318, 0x8312e6bc, 0xb916965f, 0x8aa7c858, 0xfe7effad, + 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, }; @@ -1309,9 +1483,13 @@ void ThreadOpenConnections2(void* parg) int64 nStart = GetTime(); loop { - // Limit outbound connections vnThreadsRunning[1]--; Sleep(500); + vnThreadsRunning[1]++; + if (fShutdown) + return; + + // Limit outbound connections loop { int nOutbound = 0; @@ -1323,63 +1501,39 @@ void ThreadOpenConnections2(void* parg) nMaxOutboundConnections = min(nMaxOutboundConnections, (int)GetArg("-maxconnections", 125)); if (nOutbound < nMaxOutboundConnections) break; + vnThreadsRunning[1]--; Sleep(2000); + vnThreadsRunning[1]++; if (fShutdown) return; } - vnThreadsRunning[1]++; - if (fShutdown) - return; + + bool fAddSeeds = false; CRITICAL_BLOCK(cs_mapAddresses) { // Add seed nodes if IRC isn't working - static bool fSeedUsed; bool fTOR = (fUseProxy && addrProxy.port == htons(9050)); - if (mapAddresses.empty() && (GetTime() - nStart > 60 || fTOR) && !fTestNet) - { - 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. - CAddress addr; - addr.ip = pnSeed[i]; - addr.nTime = 0; - AddAddress(addr); - } - fSeedUsed = true; - } + if (mapAddresses.empty() && (GetTime() - nStart > 60 || fUseProxy) && !fTestNet) + fAddSeeds = true; + } - if (fSeedUsed && mapAddresses.size() > ARRAYLEN(pnSeed) + 100) + if (fAddSeeds) + { + for (unsigned int i = 0; i < ARRAYLEN(pnSeed); i++) { - // Disconnect seed nodes - set setSeed(pnSeed, pnSeed + ARRAYLEN(pnSeed)); - static int64 nSeedDisconnected; - if (nSeedDisconnected == 0) - { - nSeedDisconnected = GetTime(); - CRITICAL_BLOCK(cs_vNodes) - BOOST_FOREACH(CNode* pnode, vNodes) - if (setSeed.count(pnode->addr.ip)) - pnode->fDisconnect = true; - } - - // Keep setting timestamps to 0 so they won't reconnect - if (GetTime() - nSeedDisconnected < 60 * 60) - { - BOOST_FOREACH(PAIRTYPE(const vector, CAddress)& item, mapAddresses) - { - if (setSeed.count(item.second.ip) && item.second.nTime != 0) - { - item.second.nTime = 0; - CAddrDB().WriteAddress(item.second); - } - } - } + // 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); } } - // // Choose an address to connect to based on most recently seen // @@ -1393,6 +1547,8 @@ void ThreadOpenConnections2(void* parg) BOOST_FOREACH(CNode* pnode, vNodes) setConnected.insert(pnode->addr.ip & 0x0000ffff); + int64 nANow = GetAdjustedTime(); + CRITICAL_BLOCK(cs_mapAddresses) { BOOST_FOREACH(const PAIRTYPE(vector, CAddress)& item, mapAddresses) @@ -1400,8 +1556,8 @@ void ThreadOpenConnections2(void* parg) const CAddress& addr = item.second; if (!addr.IsIPv4() || !addr.IsValid() || setConnected.count(addr.ip & 0x0000ffff)) continue; - int64 nSinceLastSeen = GetAdjustedTime() - addr.nTime; - int64 nSinceLastTry = GetAdjustedTime() - addr.nLastTry; + 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); @@ -1460,7 +1616,8 @@ bool OpenNetworkConnection(const CAddress& addrConnect) // if (fShutdown) return false; - if (addrConnect.ip == addrLocalHost.ip || !addrConnect.IsIPv4() || FindNode(addrConnect.ip)) + if (addrConnect.ip == addrLocalHost.ip || !addrConnect.IsIPv4() || + FindNode(addrConnect.ip) || CNode::IsBanned(addrConnect.ip)) return false; vnThreadsRunning[1]--; @@ -1564,7 +1721,7 @@ bool BindListenPort(string& strError) int nOne = 1; addrLocalHost.port = htons(GetListenPort()); -#ifdef __WXMSW__ +#ifdef WIN32 // Initialize Windows Sockets WSADATA wsadata; int ret = WSAStartup(MAKEWORD(2,2), &wsadata); @@ -1590,13 +1747,13 @@ 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 @@ -1643,7 +1800,7 @@ void StartNode(void* parg) if (pnodeLocalHost == NULL) pnodeLocalHost = new CNode(INVALID_SOCKET, CAddress("127.0.0.1", 0, false, nLocalServices)); -#ifdef __WXMSW__ +#ifdef WIN32 // Get local host ip char pszHostName[1000] = ""; if (gethostname(pszHostName, sizeof(pszHostName)) != SOCKET_ERROR) @@ -1710,6 +1867,12 @@ void StartNode(void* parg) // Start threads // + if (GetBoolArg("-nodnsseed")) + printf("DNS seeding disabled\n"); + else + if (!CreateThread(ThreadDNSAddressSeed, NULL)) + printf("Error: CreateThread(ThreadDNSAddressSeed) failed\n"); + // Map ports with UPnP if (fHaveUPnP) MapPort(fUseUPnP); @@ -1719,7 +1882,8 @@ void StartNode(void* parg) printf("Error: CreateThread(ThreadIRCSeed) failed\n"); // Send and receive from sockets, accept connections - CreateThread(ThreadSocketHandler, NULL, true); + if (!CreateThread(ThreadSocketHandler, NULL)) + printf("Error: CreateThread(ThreadSocketHandler) failed\n"); // Initiate outbound connections if (!CreateThread(ThreadOpenConnections, NULL)) @@ -1739,7 +1903,7 @@ bool StopNode() fShutdown = true; nTransactionsUpdated++; int64 nStart = GetTime(); - while (vnThreadsRunning[0] > 0 || vnThreadsRunning[2] > 0 || vnThreadsRunning[3] > 0 || vnThreadsRunning[4] > 0 + while (vnThreadsRunning[0] > 0 || vnThreadsRunning[1] > 0 || vnThreadsRunning[2] > 0 || vnThreadsRunning[3] > 0 || vnThreadsRunning[4] > 0 #ifdef USE_UPNP || vnThreadsRunning[5] > 0 #endif @@ -1755,6 +1919,7 @@ 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"); while (vnThreadsRunning[2] > 0 || vnThreadsRunning[4] > 0) Sleep(20); Sleep(50); @@ -1778,7 +1943,7 @@ public: if (closesocket(hListenSocket) == SOCKET_ERROR) printf("closesocket(hListenSocket) failed with error %d\n", WSAGetLastError()); -#ifdef __WXMSW__ +#ifdef WIN32 // Shutdown Windows Sockets WSACleanup(); #endif