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diff --git a/src/init.cpp b/src/init.cpp
index 4ab7bdc42..62fff5f9e 100644
--- a/src/init.cpp
+++ b/src/init.cpp
@@ -1,733 +1,750 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "db.h"
#include "walletdb.h"
#include "bitcoinrpc.h"
#include "net.h"
#include "init.h"
#include "util.h"
#include "ui_interface.h"
#include <boost/filesystem.hpp>
#include <boost/filesystem/fstream.hpp>
#include <boost/filesystem/convenience.hpp>
#include <boost/interprocess/sync/file_lock.hpp>
#include <boost/algorithm/string/predicate.hpp>
#ifndef WIN32
#include <signal.h>
#endif
using namespace std;
using namespace boost;
CWallet* pwalletMain;
CClientUIInterface uiInterface;
//////////////////////////////////////////////////////////////////////////////
//
// Shutdown
//
void ExitTimeout(void* parg)
{
#ifdef WIN32
Sleep(5000);
ExitProcess(0);
#endif
}
void StartShutdown()
{
#ifdef QT_GUI
// ensure we leave the Qt main loop for a clean GUI exit (Shutdown() is called in bitcoin.cpp afterwards)
uiInterface.QueueShutdown();
#else
// Without UI, Shutdown() can simply be started in a new thread
CreateThread(Shutdown, NULL);
#endif
}
void Shutdown(void* parg)
{
static CCriticalSection cs_Shutdown;
static bool fTaken;
bool fFirstThread = false;
{
TRY_LOCK(cs_Shutdown, lockShutdown);
if (lockShutdown)
{
fFirstThread = !fTaken;
fTaken = true;
}
}
static bool fExit;
if (fFirstThread)
{
fShutdown = true;
nTransactionsUpdated++;
bitdb.Flush(false);
StopNode();
bitdb.Flush(true);
boost::filesystem::remove(GetPidFile());
UnregisterWallet(pwalletMain);
delete pwalletMain;
CreateThread(ExitTimeout, NULL);
Sleep(50);
printf("Bitcoin exited\n\n");
fExit = true;
#ifndef QT_GUI
// ensure non UI client get's exited here, but let Bitcoin-Qt reach return 0; in bitcoin.cpp
exit(0);
#endif
}
else
{
while (!fExit)
Sleep(500);
Sleep(100);
ExitThread(0);
}
}
void HandleSIGTERM(int)
{
fRequestShutdown = true;
}
void HandleSIGHUP(int)
{
fReopenDebugLog = true;
}
//////////////////////////////////////////////////////////////////////////////
//
// Start
//
#if !defined(QT_GUI)
bool AppInit(int argc, char* argv[])
{
bool fRet = false;
try
{
//
// Parameters
//
// If Qt is used, parameters/bitcoin.conf are parsed in qt/bitcoin.cpp's main()
ParseParameters(argc, argv);
if (!boost::filesystem::is_directory(GetDataDir(false)))
{
fprintf(stderr, "Error: Specified directory does not exist\n");
Shutdown(NULL);
}
ReadConfigFile(mapArgs, mapMultiArgs);
if (mapArgs.count("-?") || mapArgs.count("--help"))
{
// First part of help message is specific to bitcoind / RPC client
std::string strUsage = _("Bitcoin version") + " " + FormatFullVersion() + "\n\n" +
_("Usage:") + "\n" +
" bitcoind [options] " + "\n" +
" bitcoind [options] <command> [params] " + _("Send command to -server or bitcoind") + "\n" +
" bitcoind [options] help " + _("List commands") + "\n" +
" bitcoind [options] help <command> " + _("Get help for a command") + "\n";
strUsage += "\n" + HelpMessage();
fprintf(stderr, "%s", strUsage.c_str());
return false;
}
// Command-line RPC
for (int i = 1; i < argc; i++)
if (!IsSwitchChar(argv[i][0]) && !boost::algorithm::istarts_with(argv[i], "bitcoin:"))
fCommandLine = true;
if (fCommandLine)
{
int ret = CommandLineRPC(argc, argv);
exit(ret);
}
fRet = AppInit2();
}
catch (std::exception& e) {
PrintException(&e, "AppInit()");
} catch (...) {
PrintException(NULL, "AppInit()");
}
if (!fRet)
Shutdown(NULL);
return fRet;
}
extern void noui_connect();
int main(int argc, char* argv[])
{
bool fRet = false;
// Connect bitcoind signal handlers
noui_connect();
fRet = AppInit(argc, argv);
if (fRet && fDaemon)
return 0;
return 1;
}
#endif
bool static InitError(const std::string &str)
{
uiInterface.ThreadSafeMessageBox(str, _("Bitcoin"), CClientUIInterface::OK | CClientUIInterface::MODAL);
return false;
}
bool static InitWarning(const std::string &str)
{
uiInterface.ThreadSafeMessageBox(str, _("Bitcoin"), CClientUIInterface::OK | CClientUIInterface::ICON_EXCLAMATION | CClientUIInterface::MODAL);
return true;
}
bool static Bind(const CService &addr, bool fError = true) {
if (IsLimited(addr))
return false;
std::string strError;
if (!BindListenPort(addr, strError)) {
if (fError)
return InitError(strError);
return false;
}
return true;
}
// Core-specific options shared between UI and daemon
std::string HelpMessage()
{
string strUsage = _("Options:") + "\n" +
" -conf=<file> " + _("Specify configuration file (default: bitcoin.conf)") + "\n" +
" -pid=<file> " + _("Specify pid file (default: bitcoind.pid)") + "\n" +
" -gen " + _("Generate coins") + "\n" +
" -gen=0 " + _("Don't generate coins") + "\n" +
" -datadir=<dir> " + _("Specify data directory") + "\n" +
" -dbcache=<n> " + _("Set database cache size in megabytes (default: 25)") + "\n" +
" -dblogsize=<n> " + _("Set database disk log size in megabytes (default: 100)") + "\n" +
" -timeout=<n> " + _("Specify connection timeout (in milliseconds)") + "\n" +
" -proxy=<ip:port> " + _("Connect through socks proxy") + "\n" +
" -socks=<n> " + _("Select the version of socks proxy to use (4-5, default: 5)") + "\n" +
+ " -tor=<ip:port> " + _("Use proxy to reach tor hidden services (default: same as -proxy)") + "\n"
" -dns " + _("Allow DNS lookups for -addnode, -seednode and -connect") + "\n" +
" -port=<port> " + _("Listen for connections on <port> (default: 8333 or testnet: 18333)") + "\n" +
" -maxconnections=<n> " + _("Maintain at most <n> connections to peers (default: 125)") + "\n" +
" -addnode=<ip> " + _("Add a node to connect to and attempt to keep the connection open") + "\n" +
" -connect=<ip> " + _("Connect only to the specified node(s)") + "\n" +
" -seednode=<ip> " + _("Connect to a node to retrieve peer addresses, and disconnect") + "\n" +
" -externalip=<ip> " + _("Specify your own public address") + "\n" +
- " -onlynet=<net> " + _("Only connect to nodes in network <net> (IPv4 or IPv6)") + "\n" +
+ " -onlynet=<net> " + _("Only connect to nodes in network <net> (IPv4, IPv6 or Tor)") + "\n" +
" -discover " + _("Discover own IP address (default: 1 when listening and no -externalip)") + "\n" +
" -irc " + _("Find peers using internet relay chat (default: 0)") + "\n" +
" -listen " + _("Accept connections from outside (default: 1 if no -proxy or -connect)") + "\n" +
" -bind=<addr> " + _("Bind to given address. Use [host]:port notation for IPv6") + "\n" +
- " -dnsseed " + _("Find peers using DNS lookup (default: 1)") + "\n" +
+ " -dnsseed " + _("Find peers using DNS lookup (default: 1 unless -connect)") + "\n" +
" -banscore=<n> " + _("Threshold for disconnecting misbehaving peers (default: 100)") + "\n" +
" -bantime=<n> " + _("Number of seconds to keep misbehaving peers from reconnecting (default: 86400)") + "\n" +
" -maxreceivebuffer=<n> " + _("Maximum per-connection receive buffer, <n>*1000 bytes (default: 10000)") + "\n" +
" -maxsendbuffer=<n> " + _("Maximum per-connection send buffer, <n>*1000 bytes (default: 10000)") + "\n" +
#ifdef USE_UPNP
#if USE_UPNP
" -upnp " + _("Use UPnP to map the listening port (default: 1 when listening)") + "\n" +
#else
" -upnp " + _("Use UPnP to map the listening port (default: 0)") + "\n" +
#endif
#endif
" -detachdb " + _("Detach block and address databases. Increases shutdown time (default: 0)") + "\n" +
" -paytxfee=<amt> " + _("Fee per KB to add to transactions you send") + "\n" +
#ifdef QT_GUI
" -server " + _("Accept command line and JSON-RPC commands") + "\n" +
#endif
#if !defined(WIN32) && !defined(QT_GUI)
" -daemon " + _("Run in the background as a daemon and accept commands") + "\n" +
#endif
" -testnet " + _("Use the test network") + "\n" +
" -debug " + _("Output extra debugging information") + "\n" +
" -logtimestamps " + _("Prepend debug output with timestamp") + "\n" +
" -printtoconsole " + _("Send trace/debug info to console instead of debug.log file") + "\n" +
#ifdef WIN32
" -printtodebugger " + _("Send trace/debug info to debugger") + "\n" +
#endif
" -rpcuser=<user> " + _("Username for JSON-RPC connections") + "\n" +
" -rpcpassword=<pw> " + _("Password for JSON-RPC connections") + "\n" +
" -rpcport=<port> " + _("Listen for JSON-RPC connections on <port> (default: 8332)") + "\n" +
" -rpcallowip=<ip> " + _("Allow JSON-RPC connections from specified IP address") + "\n" +
" -rpcconnect=<ip> " + _("Send commands to node running on <ip> (default: 127.0.0.1)") + "\n" +
" -blocknotify=<cmd> " + _("Execute command when the best block changes (%s in cmd is replaced by block hash)") + "\n" +
" -upgradewallet " + _("Upgrade wallet to latest format") + "\n" +
" -keypool=<n> " + _("Set key pool size to <n> (default: 100)") + "\n" +
" -rescan " + _("Rescan the block chain for missing wallet transactions") + "\n" +
" -checkblocks=<n> " + _("How many blocks to check at startup (default: 2500, 0 = all)") + "\n" +
" -checklevel=<n> " + _("How thorough the block verification is (0-6, default: 1)") + "\n" +
" -loadblock=<file> " + _("Imports blocks from external blk000?.dat file") + "\n" +
" -? " + _("This help message") + "\n";
strUsage += string() +
_("\nSSL options: (see the Bitcoin Wiki for SSL setup instructions)") + "\n" +
" -rpcssl " + _("Use OpenSSL (https) for JSON-RPC connections") + "\n" +
" -rpcsslcertificatechainfile=<file.cert> " + _("Server certificate file (default: server.cert)") + "\n" +
" -rpcsslprivatekeyfile=<file.pem> " + _("Server private key (default: server.pem)") + "\n" +
" -rpcsslciphers=<ciphers> " + _("Acceptable ciphers (default: TLSv1+HIGH:!SSLv2:!aNULL:!eNULL:!AH:!3DES:@STRENGTH)") + "\n";
return strUsage;
}
/** Initialize bitcoin.
* @pre Parameters should be parsed and config file should be read.
*/
bool AppInit2()
{
// ********************************************************* Step 1: setup
#ifdef _MSC_VER
// Turn off microsoft heap dump noise
_CrtSetReportMode(_CRT_WARN, _CRTDBG_MODE_FILE);
_CrtSetReportFile(_CRT_WARN, CreateFileA("NUL", GENERIC_WRITE, 0, NULL, OPEN_EXISTING, 0, 0));
#endif
#if _MSC_VER >= 1400
// Disable confusing "helpful" text message on abort, ctrl-c
_set_abort_behavior(0, _WRITE_ABORT_MSG | _CALL_REPORTFAULT);
#endif
#ifndef WIN32
umask(077);
#endif
#ifndef WIN32
// Clean shutdown on SIGTERM
struct sigaction sa;
sa.sa_handler = HandleSIGTERM;
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sigaction(SIGTERM, &sa, NULL);
sigaction(SIGINT, &sa, NULL);
// Reopen debug.log on SIGHUP
struct sigaction sa_hup;
sa_hup.sa_handler = HandleSIGHUP;
sigemptyset(&sa_hup.sa_mask);
sa_hup.sa_flags = 0;
sigaction(SIGHUP, &sa_hup, NULL);
#endif
// ********************************************************* Step 2: parameter interactions
fTestNet = GetBoolArg("-testnet");
if (fTestNet) {
SoftSetBoolArg("-irc", true);
}
if (mapArgs.count("-bind")) {
// when specifying an explicit binding address, you want to listen on it
// even when -connect or -proxy is specified
SoftSetBoolArg("-listen", true);
}
if (mapArgs.count("-connect")) {
// when only connecting to trusted nodes, do not seed via DNS, or listen by default
SoftSetBoolArg("-dnsseed", false);
SoftSetBoolArg("-listen", false);
}
if (mapArgs.count("-proxy")) {
// to protect privacy, do not listen by default if a proxy server is specified
SoftSetBoolArg("-listen", false);
}
if (!GetBoolArg("-listen", true)) {
// do not map ports or try to retrieve public IP when not listening (pointless)
SoftSetBoolArg("-upnp", false);
SoftSetBoolArg("-discover", false);
}
if (mapArgs.count("-externalip")) {
// if an explicit public IP is specified, do not try to find others
SoftSetBoolArg("-discover", false);
}
// ********************************************************* Step 3: parameter-to-internal-flags
fDebug = GetBoolArg("-debug");
bitdb.SetDetach(GetBoolArg("-detachdb", false));
#if !defined(WIN32) && !defined(QT_GUI)
fDaemon = GetBoolArg("-daemon");
#else
fDaemon = false;
#endif
if (fDaemon)
fServer = true;
else
fServer = GetBoolArg("-server");
/* force fServer when running without GUI */
#if !defined(QT_GUI)
fServer = true;
#endif
fPrintToConsole = GetBoolArg("-printtoconsole");
fPrintToDebugger = GetBoolArg("-printtodebugger");
fLogTimestamps = GetBoolArg("-logtimestamps");
if (mapArgs.count("-timeout"))
{
int nNewTimeout = GetArg("-timeout", 5000);
if (nNewTimeout > 0 && nNewTimeout < 600000)
nConnectTimeout = nNewTimeout;
}
// Continue to put "/P2SH/" in the coinbase to monitor
// BIP16 support.
// This can be removed eventually...
const char* pszP2SH = "/P2SH/";
COINBASE_FLAGS << std::vector<unsigned char>(pszP2SH, pszP2SH+strlen(pszP2SH));
if (mapArgs.count("-paytxfee"))
{
if (!ParseMoney(mapArgs["-paytxfee"], nTransactionFee))
return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s'"), mapArgs["-paytxfee"].c_str()));
if (nTransactionFee > 0.25 * COIN)
InitWarning(_("Warning: -paytxfee is set very high. This is the transaction fee you will pay if you send a transaction."));
}
// ********************************************************* Step 4: application initialization: dir lock, daemonize, pidfile, debug log
// Make sure only a single Bitcoin process is using the data directory.
boost::filesystem::path pathLockFile = GetDataDir() / ".lock";
FILE* file = fopen(pathLockFile.string().c_str(), "a"); // empty lock file; created if it doesn't exist.
if (file) fclose(file);
static boost::interprocess::file_lock lock(pathLockFile.string().c_str());
if (!lock.try_lock())
return InitError(strprintf(_("Cannot obtain a lock on data directory %s. Bitcoin is probably already running."), GetDataDir().string().c_str()));
#if !defined(WIN32) && !defined(QT_GUI)
if (fDaemon)
{
// Daemonize
pid_t pid = fork();
if (pid < 0)
{
fprintf(stderr, "Error: fork() returned %d errno %d\n", pid, errno);
return false;
}
if (pid > 0)
{
CreatePidFile(GetPidFile(), pid);
return true;
}
pid_t sid = setsid();
if (sid < 0)
fprintf(stderr, "Error: setsid() returned %d errno %d\n", sid, errno);
}
#endif
if (!fDebug)
ShrinkDebugFile();
printf("\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n");
printf("Bitcoin version %s (%s)\n", FormatFullVersion().c_str(), CLIENT_DATE.c_str());
printf("Startup time: %s\n", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
printf("Default data directory %s\n", GetDefaultDataDir().string().c_str());
printf("Used data directory %s\n", GetDataDir().string().c_str());
std::ostringstream strErrors;
if (fDaemon)
fprintf(stdout, "Bitcoin server starting\n");
int64 nStart;
// ********************************************************* Step 5: network initialization
int nSocksVersion = GetArg("-socks", 5);
if (nSocksVersion != 4 && nSocksVersion != 5)
return InitError(strprintf(_("Unknown -socks proxy version requested: %i"), nSocksVersion));
if (mapArgs.count("-onlynet")) {
std::set<enum Network> nets;
BOOST_FOREACH(std::string snet, mapMultiArgs["-onlynet"]) {
enum Network net = ParseNetwork(snet);
if (net == NET_UNROUTABLE)
return InitError(strprintf(_("Unknown network specified in -onlynet: '%s'"), snet.c_str()));
nets.insert(net);
}
for (int n = 0; n < NET_MAX; n++) {
enum Network net = (enum Network)n;
if (!nets.count(net))
SetLimited(net);
}
}
+ CService addrProxy;
+ bool fProxy = false;
if (mapArgs.count("-proxy")) {
- CService addrProxy = CService(mapArgs["-proxy"], 9050);
+ addrProxy = CService(mapArgs["-proxy"], 9050);
if (!addrProxy.IsValid())
return InitError(strprintf(_("Invalid -proxy address: '%s'"), mapArgs["-proxy"].c_str()));
if (!IsLimited(NET_IPV4))
SetProxy(NET_IPV4, addrProxy, nSocksVersion);
if (nSocksVersion > 4) {
#ifdef USE_IPV6
if (!IsLimited(NET_IPV6))
SetProxy(NET_IPV6, addrProxy, nSocksVersion);
#endif
SetNameProxy(addrProxy, nSocksVersion);
}
+ fProxy = true;
+ }
+
+ // -tor can override normal proxy, -notor disables tor entirely
+ if (!(mapArgs.count("-tor") && mapArgs["-tor"] == "0") && (fProxy || mapArgs.count("-tor"))) {
+ CService addrOnion;
+ if (!mapArgs.count("-tor"))
+ addrOnion = addrProxy;
+ else
+ addrOnion = CService(mapArgs["-tor"], 9050);
+ if (!addrOnion.IsValid())
+ return InitError(strprintf(_("Invalid -tor address: '%s'"), mapArgs["-tor"].c_str()));
+ SetProxy(NET_TOR, addrOnion, 5);
+ SetReachable(NET_TOR);
}
// see Step 2: parameter interactions for more information about these
fNoListen = !GetBoolArg("-listen", true);
fDiscover = GetBoolArg("-discover", true);
fNameLookup = GetBoolArg("-dns", true);
#ifdef USE_UPNP
fUseUPnP = GetBoolArg("-upnp", USE_UPNP);
#endif
bool fBound = false;
if (!fNoListen)
{
std::string strError;
if (mapArgs.count("-bind")) {
BOOST_FOREACH(std::string strBind, mapMultiArgs["-bind"]) {
CService addrBind;
if (!Lookup(strBind.c_str(), addrBind, GetListenPort(), false))
return InitError(strprintf(_("Cannot resolve -bind address: '%s'"), strBind.c_str()));
fBound |= Bind(addrBind);
}
} else {
struct in_addr inaddr_any;
inaddr_any.s_addr = INADDR_ANY;
#ifdef USE_IPV6
if (!IsLimited(NET_IPV6))
fBound |= Bind(CService(in6addr_any, GetListenPort()), false);
#endif
if (!IsLimited(NET_IPV4))
fBound |= Bind(CService(inaddr_any, GetListenPort()), !fBound);
}
if (!fBound)
return InitError(_("Failed to listen on any port. Use -listen=0 if you want this."));
}
if (mapArgs.count("-externalip"))
{
BOOST_FOREACH(string strAddr, mapMultiArgs["-externalip"]) {
CService addrLocal(strAddr, GetListenPort(), fNameLookup);
if (!addrLocal.IsValid())
return InitError(strprintf(_("Cannot resolve -externalip address: '%s'"), strAddr.c_str()));
AddLocal(CService(strAddr, GetListenPort(), fNameLookup), LOCAL_MANUAL);
}
}
BOOST_FOREACH(string strDest, mapMultiArgs["-seednode"])
AddOneShot(strDest);
// ********************************************************* Step 6: load blockchain
if (GetBoolArg("-loadblockindextest"))
{
CTxDB txdb("r");
txdb.LoadBlockIndex();
PrintBlockTree();
return false;
}
uiInterface.InitMessage(_("Loading block index..."));
printf("Loading block index...\n");
nStart = GetTimeMillis();
if (!LoadBlockIndex())
strErrors << _("Error loading blkindex.dat") << "\n";
// as LoadBlockIndex can take several minutes, it's possible the user
// requested to kill bitcoin-qt during the last operation. If so, exit.
// As the program has not fully started yet, Shutdown() is possibly overkill.
if (fRequestShutdown)
{
printf("Shutdown requested. Exiting.\n");
return false;
}
printf(" block index %15"PRI64d"ms\n", GetTimeMillis() - nStart);
if (GetBoolArg("-printblockindex") || GetBoolArg("-printblocktree"))
{
PrintBlockTree();
return false;
}
if (mapArgs.count("-printblock"))
{
string strMatch = mapArgs["-printblock"];
int nFound = 0;
for (map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.begin(); mi != mapBlockIndex.end(); ++mi)
{
uint256 hash = (*mi).first;
if (strncmp(hash.ToString().c_str(), strMatch.c_str(), strMatch.size()) == 0)
{
CBlockIndex* pindex = (*mi).second;
CBlock block;
block.ReadFromDisk(pindex);
block.BuildMerkleTree();
block.print();
printf("\n");
nFound++;
}
}
if (nFound == 0)
printf("No blocks matching %s were found\n", strMatch.c_str());
return false;
}
// ********************************************************* Step 7: load wallet
uiInterface.InitMessage(_("Loading wallet..."));
printf("Loading wallet...\n");
nStart = GetTimeMillis();
bool fFirstRun;
pwalletMain = new CWallet("wallet.dat");
int nLoadWalletRet = pwalletMain->LoadWallet(fFirstRun);
if (nLoadWalletRet != DB_LOAD_OK)
{
if (nLoadWalletRet == DB_CORRUPT)
strErrors << _("Error loading wallet.dat: Wallet corrupted") << "\n";
else if (nLoadWalletRet == DB_TOO_NEW)
strErrors << _("Error loading wallet.dat: Wallet requires newer version of Bitcoin") << "\n";
else if (nLoadWalletRet == DB_NEED_REWRITE)
{
strErrors << _("Wallet needed to be rewritten: restart Bitcoin to complete") << "\n";
printf("%s", strErrors.str().c_str());
return InitError(strErrors.str());
}
else
strErrors << _("Error loading wallet.dat") << "\n";
}
if (GetBoolArg("-upgradewallet", fFirstRun))
{
int nMaxVersion = GetArg("-upgradewallet", 0);
if (nMaxVersion == 0) // the -walletupgrade without argument case
{
printf("Performing wallet upgrade to %i\n", FEATURE_LATEST);
nMaxVersion = CLIENT_VERSION;
pwalletMain->SetMinVersion(FEATURE_LATEST); // permanently upgrade the wallet immediately
}
else
printf("Allowing wallet upgrade up to %i\n", nMaxVersion);
if (nMaxVersion < pwalletMain->GetVersion())
strErrors << _("Cannot downgrade wallet") << "\n";
pwalletMain->SetMaxVersion(nMaxVersion);
}
if (fFirstRun)
{
// Create new keyUser and set as default key
RandAddSeedPerfmon();
CPubKey newDefaultKey;
if (!pwalletMain->GetKeyFromPool(newDefaultKey, false))
strErrors << _("Cannot initialize keypool") << "\n";
pwalletMain->SetDefaultKey(newDefaultKey);
if (!pwalletMain->SetAddressBookName(pwalletMain->vchDefaultKey.GetID(), ""))
strErrors << _("Cannot write default address") << "\n";
}
printf("%s", strErrors.str().c_str());
printf(" wallet %15"PRI64d"ms\n", GetTimeMillis() - nStart);
RegisterWallet(pwalletMain);
CBlockIndex *pindexRescan = pindexBest;
if (GetBoolArg("-rescan"))
pindexRescan = pindexGenesisBlock;
else
{
CWalletDB walletdb("wallet.dat");
CBlockLocator locator;
if (walletdb.ReadBestBlock(locator))
pindexRescan = locator.GetBlockIndex();
}
if (pindexBest != pindexRescan)
{
uiInterface.InitMessage(_("Rescanning..."));
printf("Rescanning last %i blocks (from block %i)...\n", pindexBest->nHeight - pindexRescan->nHeight, pindexRescan->nHeight);
nStart = GetTimeMillis();
pwalletMain->ScanForWalletTransactions(pindexRescan, true);
printf(" rescan %15"PRI64d"ms\n", GetTimeMillis() - nStart);
}
// ********************************************************* Step 8: import blocks
if (mapArgs.count("-loadblock"))
{
BOOST_FOREACH(string strFile, mapMultiArgs["-loadblock"])
{
FILE *file = fopen(strFile.c_str(), "rb");
if (file)
LoadExternalBlockFile(file);
}
}
// ********************************************************* Step 9: load peers
uiInterface.InitMessage(_("Loading addresses..."));
printf("Loading addresses...\n");
nStart = GetTimeMillis();
{
CAddrDB adb;
if (!adb.Read(addrman))
printf("Invalid or missing peers.dat; recreating\n");
}
printf("Loaded %i addresses from peers.dat %"PRI64d"ms\n",
addrman.size(), GetTimeMillis() - nStart);
// ********************************************************* Step 10: start node
if (!CheckDiskSpace())
return false;
RandAddSeedPerfmon();
//// debug print
printf("mapBlockIndex.size() = %d\n", mapBlockIndex.size());
printf("nBestHeight = %d\n", nBestHeight);
printf("setKeyPool.size() = %d\n", pwalletMain->setKeyPool.size());
printf("mapWallet.size() = %d\n", pwalletMain->mapWallet.size());
printf("mapAddressBook.size() = %d\n", pwalletMain->mapAddressBook.size());
if (!CreateThread(StartNode, NULL))
InitError(_("Error: could not start node"));
if (fServer)
CreateThread(ThreadRPCServer, NULL);
// ********************************************************* Step 11: finished
uiInterface.InitMessage(_("Done loading"));
printf("Done loading\n");
if (!strErrors.str().empty())
return InitError(strErrors.str());
// Add wallet transactions that aren't already in a block to mapTransactions
pwalletMain->ReacceptWalletTransactions();
#if !defined(QT_GUI)
// Loop until process is exit()ed from shutdown() function,
// called from ThreadRPCServer thread when a "stop" command is received.
while (1)
Sleep(5000);
#endif
return true;
}
diff --git a/src/net.cpp b/src/net.cpp
index 804cb0f54..441d28bb9 100644
--- a/src/net.cpp
+++ b/src/net.cpp
@@ -1,1951 +1,1957 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin 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);
}
- enum Network net = addr.GetNetwork();
- vfReachable[net] = true;
- if (net == NET_IPV6) vfReachable[NET_IPV4] = true;
+ 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)
{
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));
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;
}
void ThreadSocketHandler(void* parg)
{
IMPLEMENT_RANDOMIZE_STACK(ThreadSocketHandler(parg));
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();
}
}
if (vSend.size() > SendBufferSize()) {
if (!pnode->fDisconnect)
printf("socket send flood control disconnect (%d bytes)\n", vSend.size());
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));
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 = "Bitcoin " + 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 *strDNSSeed[][2] = {
{"xf2.org", "bitseed.xf2.org"},
{"bluematt.me", "dnsseed.bluematt.me"},
{"bitcoin.sipa.be", "seed.bitcoin.sipa.be"},
{"dashjr.org", "dnsseed.bitcoin.dashjr.org"},
};
void ThreadDNSAddressSeed(void* parg)
{
IMPLEMENT_RANDOMIZE_STACK(ThreadDNSAddressSeed(parg));
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 (!fTestNet)
{
printf("Loading addresses from DNS seeds (could take a while)\n");
for (unsigned int seed_idx = 0; seed_idx < ARRAYLEN(strDNSSeed); 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[] =
{
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,
};
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));
try
{
ThreadDumpAddress2(parg);
}
catch (std::exception& e) {
PrintException(&e, "ThreadDumpAddress()");
}
printf("ThreadDumpAddress exited\n");
}
void ThreadOpenConnections(void* parg)
{
IMPLEMENT_RANDOMIZE_STACK(ThreadOpenConnections(parg));
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 to one address per a.b.?.? range.
// 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) {
setConnected.insert(pnode->addr.GetGroup());
if (!pnode->fInbound)
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));
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));
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. Bitcoin 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)
{
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");
// Generate coins in the background
GenerateBitcoins(GetBoolArg("-gen", false), pwalletMain);
}
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;
diff --git a/src/net.h b/src/net.h
index c9c965722..fb998a29e 100644
--- a/src/net.h
+++ b/src/net.h
@@ -1,669 +1,670 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
// Copyright (c) 2009-2012 The Bitcoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_NET_H
#define BITCOIN_NET_H
#include <deque>
#include <boost/array.hpp>
#include <boost/foreach.hpp>
#include <openssl/rand.h>
#ifndef WIN32
#include <arpa/inet.h>
#endif
#include "mruset.h"
#include "netbase.h"
#include "protocol.h"
#include "addrman.h"
class CRequestTracker;
class CNode;
class CBlockIndex;
extern int nBestHeight;
inline unsigned int ReceiveBufferSize() { return 1000*GetArg("-maxreceivebuffer", 10*1000); }
inline unsigned int SendBufferSize() { return 1000*GetArg("-maxsendbuffer", 10*1000); }
void AddOneShot(std::string strDest);
bool RecvLine(SOCKET hSocket, std::string& strLine);
bool GetMyExternalIP(CNetAddr& ipRet);
void AddressCurrentlyConnected(const CService& addr);
CNode* FindNode(const CNetAddr& ip);
CNode* FindNode(const CService& ip);
CNode* ConnectNode(CAddress addrConnect, const char *strDest = NULL, int64 nTimeout=0);
void MapPort();
unsigned short GetListenPort();
bool BindListenPort(const CService &bindAddr, std::string& strError=REF(std::string()));
void StartNode(void* parg);
bool StopNode();
enum
{
LOCAL_NONE, // unknown
LOCAL_IF, // address a local interface listens on
LOCAL_BIND, // address explicit bound to
LOCAL_UPNP, // address reported by UPnP
LOCAL_IRC, // address reported by IRC (deprecated)
LOCAL_HTTP, // address reported by whatismyip.com and similars
LOCAL_MANUAL, // address explicitly specified (-externalip=)
LOCAL_MAX
};
void SetLimited(enum Network net, bool fLimited = true);
bool IsLimited(enum Network net);
bool IsLimited(const CNetAddr& addr);
bool AddLocal(const CService& addr, int nScore = LOCAL_NONE);
bool AddLocal(const CNetAddr& addr, int nScore = LOCAL_NONE);
bool SeenLocal(const CService& addr);
bool IsLocal(const CService& addr);
bool GetLocal(CService &addr, const CNetAddr *paddrPeer = NULL);
bool IsReachable(const CNetAddr &addr);
+void SetReachable(enum Network net, bool fFlag = true);
CAddress GetLocalAddress(const CNetAddr *paddrPeer = NULL);
enum
{
MSG_TX = 1,
MSG_BLOCK,
};
class CRequestTracker
{
public:
void (*fn)(void*, CDataStream&);
void* param1;
explicit CRequestTracker(void (*fnIn)(void*, CDataStream&)=NULL, void* param1In=NULL)
{
fn = fnIn;
param1 = param1In;
}
bool IsNull()
{
return fn == NULL;
}
};
/** Thread types */
enum threadId
{
THREAD_SOCKETHANDLER,
THREAD_OPENCONNECTIONS,
THREAD_MESSAGEHANDLER,
THREAD_MINER,
THREAD_RPCLISTENER,
THREAD_UPNP,
THREAD_DNSSEED,
THREAD_ADDEDCONNECTIONS,
THREAD_DUMPADDRESS,
THREAD_RPCHANDLER,
THREAD_MAX
};
extern bool fClient;
extern bool fDiscover;
extern bool fUseUPnP;
extern uint64 nLocalServices;
extern uint64 nLocalHostNonce;
extern boost::array<int, THREAD_MAX> vnThreadsRunning;
extern CAddrMan addrman;
extern std::vector<CNode*> vNodes;
extern CCriticalSection cs_vNodes;
extern std::map<CInv, CDataStream> mapRelay;
extern std::deque<std::pair<int64, CInv> > vRelayExpiration;
extern CCriticalSection cs_mapRelay;
extern std::map<CInv, int64> mapAlreadyAskedFor;
/** Information about a peer */
class CNode
{
public:
// socket
uint64 nServices;
SOCKET hSocket;
CDataStream vSend;
CDataStream vRecv;
CCriticalSection cs_vSend;
CCriticalSection cs_vRecv;
int64 nLastSend;
int64 nLastRecv;
int64 nLastSendEmpty;
int64 nTimeConnected;
int nHeaderStart;
unsigned int nMessageStart;
CAddress addr;
std::string addrName;
CService addrLocal;
int nVersion;
std::string strSubVer;
bool fOneShot;
bool fClient;
bool fInbound;
bool fNetworkNode;
bool fSuccessfullyConnected;
bool fDisconnect;
CSemaphoreGrant grantOutbound;
protected:
int nRefCount;
// Denial-of-service detection/prevention
// Key is ip address, value is banned-until-time
static std::map<CNetAddr, int64> setBanned;
static CCriticalSection cs_setBanned;
int nMisbehavior;
public:
int64 nReleaseTime;
std::map<uint256, CRequestTracker> mapRequests;
CCriticalSection cs_mapRequests;
uint256 hashContinue;
CBlockIndex* pindexLastGetBlocksBegin;
uint256 hashLastGetBlocksEnd;
int nStartingHeight;
// flood relay
std::vector<CAddress> vAddrToSend;
std::set<CAddress> setAddrKnown;
bool fGetAddr;
std::set<uint256> setKnown;
// inventory based relay
mruset<CInv> setInventoryKnown;
std::vector<CInv> vInventoryToSend;
CCriticalSection cs_inventory;
std::multimap<int64, CInv> mapAskFor;
CNode(SOCKET hSocketIn, CAddress addrIn, std::string addrNameIn = "", bool fInboundIn=false) : vSend(SER_NETWORK, MIN_PROTO_VERSION), vRecv(SER_NETWORK, MIN_PROTO_VERSION)
{
nServices = 0;
hSocket = hSocketIn;
nLastSend = 0;
nLastRecv = 0;
nLastSendEmpty = GetTime();
nTimeConnected = GetTime();
nHeaderStart = -1;
nMessageStart = -1;
addr = addrIn;
addrName = addrNameIn == "" ? addr.ToStringIPPort() : addrNameIn;
nVersion = 0;
strSubVer = "";
fOneShot = false;
fClient = false; // set by version message
fInbound = fInboundIn;
fNetworkNode = false;
fSuccessfullyConnected = false;
fDisconnect = false;
nRefCount = 0;
nReleaseTime = 0;
hashContinue = 0;
pindexLastGetBlocksBegin = 0;
hashLastGetBlocksEnd = 0;
nStartingHeight = -1;
fGetAddr = false;
nMisbehavior = 0;
setInventoryKnown.max_size(SendBufferSize() / 1000);
// Be shy and don't send version until we hear
if (!fInbound)
PushVersion();
}
~CNode()
{
if (hSocket != INVALID_SOCKET)
{
closesocket(hSocket);
hSocket = INVALID_SOCKET;
}
}
private:
CNode(const CNode&);
void operator=(const CNode&);
public:
int GetRefCount()
{
return std::max(nRefCount, 0) + (GetTime() < nReleaseTime ? 1 : 0);
}
CNode* AddRef(int64 nTimeout=0)
{
if (nTimeout != 0)
nReleaseTime = std::max(nReleaseTime, GetTime() + nTimeout);
else
nRefCount++;
return this;
}
void Release()
{
nRefCount--;
}
void AddAddressKnown(const CAddress& addr)
{
setAddrKnown.insert(addr);
}
void PushAddress(const CAddress& addr)
{
// Known checking here is only to save space from duplicates.
// SendMessages will filter it again for knowns that were added
// after addresses were pushed.
if (addr.IsValid() && !setAddrKnown.count(addr))
vAddrToSend.push_back(addr);
}
void AddInventoryKnown(const CInv& inv)
{
{
LOCK(cs_inventory);
setInventoryKnown.insert(inv);
}
}
void PushInventory(const CInv& inv)
{
{
LOCK(cs_inventory);
if (!setInventoryKnown.count(inv))
vInventoryToSend.push_back(inv);
}
}
void AskFor(const CInv& inv)
{
// We're using mapAskFor as a priority queue,
// the key is the earliest time the request can be sent
int64& nRequestTime = mapAlreadyAskedFor[inv];
printf("askfor %s %"PRI64d"\n", inv.ToString().c_str(), nRequestTime);
// Make sure not to reuse time indexes to keep things in the same order
int64 nNow = (GetTime() - 1) * 1000000;
static int64 nLastTime;
++nLastTime;
nNow = std::max(nNow, nLastTime);
nLastTime = nNow;
// Each retry is 2 minutes after the last
nRequestTime = std::max(nRequestTime + 2 * 60 * 1000000, nNow);
mapAskFor.insert(std::make_pair(nRequestTime, inv));
}
void BeginMessage(const char* pszCommand)
{
ENTER_CRITICAL_SECTION(cs_vSend);
if (nHeaderStart != -1)
AbortMessage();
nHeaderStart = vSend.size();
vSend << CMessageHeader(pszCommand, 0);
nMessageStart = vSend.size();
if (fDebug)
printf("sending: %s ", pszCommand);
}
void AbortMessage()
{
if (nHeaderStart < 0)
return;
vSend.resize(nHeaderStart);
nHeaderStart = -1;
nMessageStart = -1;
LEAVE_CRITICAL_SECTION(cs_vSend);
if (fDebug)
printf("(aborted)\n");
}
void EndMessage()
{
if (mapArgs.count("-dropmessagestest") && GetRand(atoi(mapArgs["-dropmessagestest"])) == 0)
{
printf("dropmessages DROPPING SEND MESSAGE\n");
AbortMessage();
return;
}
if (nHeaderStart < 0)
return;
// Set the size
unsigned int nSize = vSend.size() - nMessageStart;
memcpy((char*)&vSend[nHeaderStart] + offsetof(CMessageHeader, nMessageSize), &nSize, sizeof(nSize));
// Set the checksum
uint256 hash = Hash(vSend.begin() + nMessageStart, vSend.end());
unsigned int nChecksum = 0;
memcpy(&nChecksum, &hash, sizeof(nChecksum));
assert(nMessageStart - nHeaderStart >= offsetof(CMessageHeader, nChecksum) + sizeof(nChecksum));
memcpy((char*)&vSend[nHeaderStart] + offsetof(CMessageHeader, nChecksum), &nChecksum, sizeof(nChecksum));
if (fDebug) {
printf("(%d bytes)\n", nSize);
}
nHeaderStart = -1;
nMessageStart = -1;
LEAVE_CRITICAL_SECTION(cs_vSend);
}
void EndMessageAbortIfEmpty()
{
if (nHeaderStart < 0)
return;
int nSize = vSend.size() - nMessageStart;
if (nSize > 0)
EndMessage();
else
AbortMessage();
}
void PushVersion();
void PushMessage(const char* pszCommand)
{
try
{
BeginMessage(pszCommand);
EndMessage();
}
catch (...)
{
AbortMessage();
throw;
}
}
template<typename T1>
void PushMessage(const char* pszCommand, const T1& a1)
{
try
{
BeginMessage(pszCommand);
vSend << a1;
EndMessage();
}
catch (...)
{
AbortMessage();
throw;
}
}
template<typename T1, typename T2>
void PushMessage(const char* pszCommand, const T1& a1, const T2& a2)
{
try
{
BeginMessage(pszCommand);
vSend << a1 << a2;
EndMessage();
}
catch (...)
{
AbortMessage();
throw;
}
}
template<typename T1, typename T2, typename T3>
void PushMessage(const char* pszCommand, const T1& a1, const T2& a2, const T3& a3)
{
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3;
EndMessage();
}
catch (...)
{
AbortMessage();
throw;
}
}
template<typename T1, typename T2, typename T3, typename T4>
void PushMessage(const char* pszCommand, const T1& a1, const T2& a2, const T3& a3, const T4& a4)
{
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4;
EndMessage();
}
catch (...)
{
AbortMessage();
throw;
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5>
void PushMessage(const char* pszCommand, const T1& a1, const T2& a2, const T3& a3, const T4& a4, const T5& a5)
{
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4 << a5;
EndMessage();
}
catch (...)
{
AbortMessage();
throw;
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
void PushMessage(const char* pszCommand, const T1& a1, const T2& a2, const T3& a3, const T4& a4, const T5& a5, const T6& a6)
{
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4 << a5 << a6;
EndMessage();
}
catch (...)
{
AbortMessage();
throw;
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7>
void PushMessage(const char* pszCommand, const T1& a1, const T2& a2, const T3& a3, const T4& a4, const T5& a5, const T6& a6, const T7& a7)
{
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4 << a5 << a6 << a7;
EndMessage();
}
catch (...)
{
AbortMessage();
throw;
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8>
void PushMessage(const char* pszCommand, const T1& a1, const T2& a2, const T3& a3, const T4& a4, const T5& a5, const T6& a6, const T7& a7, const T8& a8)
{
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4 << a5 << a6 << a7 << a8;
EndMessage();
}
catch (...)
{
AbortMessage();
throw;
}
}
template<typename T1, typename T2, typename T3, typename T4, typename T5, typename T6, typename T7, typename T8, typename T9>
void PushMessage(const char* pszCommand, const T1& a1, const T2& a2, const T3& a3, const T4& a4, const T5& a5, const T6& a6, const T7& a7, const T8& a8, const T9& a9)
{
try
{
BeginMessage(pszCommand);
vSend << a1 << a2 << a3 << a4 << a5 << a6 << a7 << a8 << a9;
EndMessage();
}
catch (...)
{
AbortMessage();
throw;
}
}
void PushRequest(const char* pszCommand,
void (*fn)(void*, CDataStream&), void* param1)
{
uint256 hashReply;
RAND_bytes((unsigned char*)&hashReply, sizeof(hashReply));
{
LOCK(cs_mapRequests);
mapRequests[hashReply] = CRequestTracker(fn, param1);
}
PushMessage(pszCommand, hashReply);
}
template<typename T1>
void PushRequest(const char* pszCommand, const T1& a1,
void (*fn)(void*, CDataStream&), void* param1)
{
uint256 hashReply;
RAND_bytes((unsigned char*)&hashReply, sizeof(hashReply));
{
LOCK(cs_mapRequests);
mapRequests[hashReply] = CRequestTracker(fn, param1);
}
PushMessage(pszCommand, hashReply, a1);
}
template<typename T1, typename T2>
void PushRequest(const char* pszCommand, const T1& a1, const T2& a2,
void (*fn)(void*, CDataStream&), void* param1)
{
uint256 hashReply;
RAND_bytes((unsigned char*)&hashReply, sizeof(hashReply));
{
LOCK(cs_mapRequests);
mapRequests[hashReply] = CRequestTracker(fn, param1);
}
PushMessage(pszCommand, hashReply, a1, a2);
}
void PushGetBlocks(CBlockIndex* pindexBegin, uint256 hashEnd);
bool IsSubscribed(unsigned int nChannel);
void Subscribe(unsigned int nChannel, unsigned int nHops=0);
void CancelSubscribe(unsigned int nChannel);
void CloseSocketDisconnect();
void Cleanup();
// Denial-of-service detection/prevention
// The idea is to detect peers that are behaving
// badly and disconnect/ban them, but do it in a
// one-coding-mistake-won't-shatter-the-entire-network
// way.
// IMPORTANT: There should be nothing I can give a
// node that it will forward on that will make that
// node's peers drop it. If there is, an attacker
// can isolate a node and/or try to split the network.
// Dropping a node for sending stuff that is invalid
// now but might be valid in a later version is also
// dangerous, because it can cause a network split
// between nodes running old code and nodes running
// new code.
static void ClearBanned(); // needed for unit testing
static bool IsBanned(CNetAddr ip);
bool Misbehaving(int howmuch); // 1 == a little, 100 == a lot
};
inline void RelayInventory(const CInv& inv)
{
// Put on lists to offer to the other nodes
{
LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
pnode->PushInventory(inv);
}
}
template<typename T>
void RelayMessage(const CInv& inv, const T& a)
{
CDataStream ss(SER_NETWORK, PROTOCOL_VERSION);
ss.reserve(10000);
ss << a;
RelayMessage(inv, ss);
}
template<>
inline void RelayMessage<>(const CInv& inv, const CDataStream& ss)
{
{
LOCK(cs_mapRelay);
// Expire old relay messages
while (!vRelayExpiration.empty() && vRelayExpiration.front().first < GetTime())
{
mapRelay.erase(vRelayExpiration.front().second);
vRelayExpiration.pop_front();
}
// Save original serialized message so newer versions are preserved
mapRelay.insert(std::make_pair(inv, ss));
vRelayExpiration.push_back(std::make_pair(GetTime() + 15 * 60, inv));
}
RelayInventory(inv);
}
#endif

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