+
−// Copyright (c) 2009-2010 Satoshi Nakamoto
+
−// Copyright (c) 2009-2012 The Bitcoin developers
+
−// Distributed under the MIT/X11 software license, see the accompanying
+
−// file license.txt or http://www.opensource.org/licenses/mit-license.php.
+
−#include "headers.h"
+
−#include "strlcpy.h"
+
−#include <boost/algorithm/string/join.hpp>
+
−#include <boost/program_options/detail/config_file.hpp>
+
−#include <boost/program_options/parsers.hpp>
+
−#include <boost/filesystem.hpp>
+
−#include <boost/filesystem/fstream.hpp>
+
−#include <boost/interprocess/sync/interprocess_mutex.hpp>
+
−#include <boost/interprocess/sync/interprocess_recursive_mutex.hpp>
+
−#include <boost/foreach.hpp>
+
−
+
−using namespace std;
+
−using namespace boost;
+
−
+
−map<string, string> mapArgs;
+
−map<string, vector<string> > mapMultiArgs;
+
−bool fDebug = false;
+
−bool fPrintToConsole = false;
+
−bool fPrintToDebugger = false;
+
−char pszSetDataDir[MAX_PATH] = "";
+
−bool fRequestShutdown = false;
+
−bool fShutdown = false;
+
−bool fDaemon = false;
+
−bool fServer = false;
+
−bool fCommandLine = false;
+
−string strMiscWarning;
+
−bool fTestNet = false;
+
−bool fNoListen = false;
+
−bool fLogTimestamps = false;
+
−CMedianFilter<int64> vTimeOffsets(200,0);
+
−
+
−
+
−
+
−// Workaround for "multiple definition of `_tls_used'"
+
−// http://svn.boost.org/trac/boost/ticket/4258
+
−extern "C" void tss_cleanup_implemented() { }
+
−
+
−
+
−
+
−
+
−
+
−// Init openssl library multithreading support
+
−static boost::interprocess::interprocess_mutex** ppmutexOpenSSL;
+
−void locking_callback(int mode, int i, const char* file, int line)
+
−{
+
−    if (mode & CRYPTO_LOCK)
+
−        ppmutexOpenSSL[i]->lock();
+
−    else
+
−        ppmutexOpenSSL[i]->unlock();
+
−}
+
−
+
−// Init
+
−class CInit
+
−{
+
−public:
+
−    CInit()
+
−    {
+
−        // Init openssl library multithreading support
+
−        ppmutexOpenSSL = (boost::interprocess::interprocess_mutex**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(boost::interprocess::interprocess_mutex*));
+
−        for (int i = 0; i < CRYPTO_num_locks(); i++)
+
−            ppmutexOpenSSL[i] = new boost::interprocess::interprocess_mutex();
+
−        CRYPTO_set_locking_callback(locking_callback);
+
−
+
−#ifdef WIN32
+
−        // Seed random number generator with screen scrape and other hardware sources
+
−        RAND_screen();
+
−#endif
+
−
+
−        // Seed random number generator with performance counter
+
−        RandAddSeed();
+
−    }
+
−    ~CInit()
+
−    {
+
−        // Shutdown openssl library multithreading support
+
−        CRYPTO_set_locking_callback(NULL);
+
−        for (int i = 0; i < CRYPTO_num_locks(); i++)
+
−            delete ppmutexOpenSSL[i];
+
−        OPENSSL_free(ppmutexOpenSSL);
+
−    }
+
−}
+
−instance_of_cinit;
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−void RandAddSeed()
+
−{
+
−    // Seed with CPU performance counter
+
−    int64 nCounter = GetPerformanceCounter();
+
−    RAND_add(&nCounter, sizeof(nCounter), 1.5);
+
−    memset(&nCounter, 0, sizeof(nCounter));
+
−}
+
−
+
−void RandAddSeedPerfmon()
+
−{
+
−    RandAddSeed();
+
−
+
−    // This can take up to 2 seconds, so only do it every 10 minutes
+
−    static int64 nLastPerfmon;
+
−    if (GetTime() < nLastPerfmon + 10 * 60)
+
−        return;
+
−    nLastPerfmon = GetTime();
+
−
+
−#ifdef WIN32
+
−    // Don't need this on Linux, OpenSSL automatically uses /dev/urandom
+
−    // Seed with the entire set of perfmon data
+
−    unsigned char pdata[250000];
+
−    memset(pdata, 0, sizeof(pdata));
+
−    unsigned long nSize = sizeof(pdata);
+
−    long ret = RegQueryValueExA(HKEY_PERFORMANCE_DATA, "Global", NULL, NULL, pdata, &nSize);
+
−    RegCloseKey(HKEY_PERFORMANCE_DATA);
+
−    if (ret == ERROR_SUCCESS)
+
−    {
+
−        RAND_add(pdata, nSize, nSize/100.0);
+
−        memset(pdata, 0, nSize);
+
−        printf("%s RandAddSeed() %d bytes\n", DateTimeStrFormat("%x %H:%M", GetTime()).c_str(), nSize);
+
−    }
+
−#endif
+
−}
+
−
+
−uint64 GetRand(uint64 nMax)
+
−{
+
−    if (nMax == 0)
+
−        return 0;
+
−
+
−    // The range of the random source must be a multiple of the modulus
+
−    // to give every possible output value an equal possibility
+
−    uint64 nRange = (std::numeric_limits<uint64>::max() / nMax) * nMax;
+
−    uint64 nRand = 0;
+
−    do
+
−        RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
+
−    while (nRand >= nRange);
+
−    return (nRand % nMax);
+
−}
+
−
+
−int GetRandInt(int nMax)
+
−{
+
−    return GetRand(nMax);
+
−}
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−inline int OutputDebugStringF(const char* pszFormat, ...)
+
−{
+
−    int ret = 0;
+
−    if (fPrintToConsole)
+
−    {
+
−        // print to console
+
−        va_list arg_ptr;
+
−        va_start(arg_ptr, pszFormat);
+
−        ret = vprintf(pszFormat, arg_ptr);
+
−        va_end(arg_ptr);
+
−    }
+
−    else
+
−    {
+
−        // print to debug.log
+
−        static FILE* fileout = NULL;
+
−
+
−        if (!fileout)
+
−        {
+
−            char pszFile[MAX_PATH+100];
+
−            GetDataDir(pszFile);
+
−            strlcat(pszFile, "/debug.log", sizeof(pszFile));
+
−            fileout = fopen(pszFile, "a");
+
−            if (fileout) setbuf(fileout, NULL); // unbuffered
+
−        }
+
−        if (fileout)
+
−        {
+
−            static bool fStartedNewLine = true;
+
−
+
−            // Debug print useful for profiling
+
−            if (fLogTimestamps && fStartedNewLine)
+
−                fprintf(fileout, "%s ", DateTimeStrFormat("%x %H:%M:%S", GetTime()).c_str());
+
−            if (pszFormat[strlen(pszFormat) - 1] == '\n')
+
−                fStartedNewLine = true;
+
−            else
+
−                fStartedNewLine = false;
+
−
+
−            va_list arg_ptr;
+
−            va_start(arg_ptr, pszFormat);
+
−            ret = vfprintf(fileout, pszFormat, arg_ptr);
+
−            va_end(arg_ptr);
+
−        }
+
−    }
+
−
+
−#ifdef WIN32
+
−    if (fPrintToDebugger)
+
−    {
+
−        static CCriticalSection cs_OutputDebugStringF;
+
−
+
−        // accumulate a line at a time
+
−        CRITICAL_BLOCK(cs_OutputDebugStringF)
+
−        {
+
−            static char pszBuffer[50000];
+
−            static char* pend;
+
−            if (pend == NULL)
+
−                pend = pszBuffer;
+
−            va_list arg_ptr;
+
−            va_start(arg_ptr, pszFormat);
+
−            int limit = END(pszBuffer) - pend - 2;
+
−            int ret = _vsnprintf(pend, limit, pszFormat, arg_ptr);
+
−            va_end(arg_ptr);
+
−            if (ret < 0 || ret >= limit)
+
−            {
+
−                pend = END(pszBuffer) - 2;
+
−                *pend++ = '\n';
+
−            }
+
−            else
+
−                pend += ret;
+
−            *pend = '\0';
+
−            char* p1 = pszBuffer;
+
−            char* p2;
+
−            while (p2 = strchr(p1, '\n'))
+
−            {
+
−                p2++;
+
−                char c = *p2;
+
−                *p2 = '\0';
+
−                OutputDebugStringA(p1);
+
−                *p2 = c;
+
−                p1 = p2;
+
−            }
+
−            if (p1 != pszBuffer)
+
−                memmove(pszBuffer, p1, pend - p1 + 1);
+
−            pend -= (p1 - pszBuffer);
+
−        }
+
−    }
+
−#endif
+
−    return ret;
+
−}
+
−
+
−
+
−// Safer snprintf
+
−//  - prints up to limit-1 characters
+
−//  - output string is always null terminated even if limit reached
+
−//  - return value is the number of characters actually printed
+
−int my_snprintf(char* buffer, size_t limit, const char* format, ...)
+
−{
+
−    if (limit == 0)
+
−        return 0;
+
−    va_list arg_ptr;
+
−    va_start(arg_ptr, format);
+
−    int ret = _vsnprintf(buffer, limit, format, arg_ptr);
+
−    va_end(arg_ptr);
+
−    if (ret < 0 || ret >= limit)
+
−    {
+
−        ret = limit - 1;
+
−        buffer[limit-1] = 0;
+
−    }
+
−    return ret;
+
−}
+
−
+
−string real_strprintf(const std::string &format, int dummy, ...)
+
−{
+
−    char buffer[50000];
+
−    char* p = buffer;
+
−    int limit = sizeof(buffer);
+
−    int ret;
+
−    loop
+
−    {
+
−        va_list arg_ptr;
+
−        va_start(arg_ptr, dummy);
+
−        ret = _vsnprintf(p, limit, format.c_str(), arg_ptr);
+
−        va_end(arg_ptr);
+
−        if (ret >= 0 && ret < limit)
+
−            break;
+
−        if (p != buffer)
+
−            delete[] p;
+
−        limit *= 2;
+
−        p = new char[limit];
+
−        if (p == NULL)
+
−            throw std::bad_alloc();
+
−    }
+
−    string str(p, p+ret);
+
−    if (p != buffer)
+
−        delete[] p;
+
−    return str;
+
−}
+
−
+
−bool error(const char *format, ...)
+
−{
+
−    char buffer[50000];
+
−    int limit = sizeof(buffer);
+
−    va_list arg_ptr;
+
−    va_start(arg_ptr, format);
+
−    int ret = _vsnprintf(buffer, limit, format, arg_ptr);
+
−    va_end(arg_ptr);
+
−    if (ret < 0 || ret >= limit)
+
−    {
+
−        ret = limit - 1;
+
−        buffer[limit-1] = 0;
+
−    }
+
−    printf("ERROR: %s\n", buffer);
+
−    return false;
+
−}
+
−
+
−
+
−void ParseString(const string& str, char c, vector<string>& v)
+
−{
+
−    if (str.empty())
+
−        return;
+
−    string::size_type i1 = 0;
+
−    string::size_type i2;
+
−    loop
+
−    {
+
−        i2 = str.find(c, i1);
+
−        if (i2 == str.npos)
+
−        {
+
−            v.push_back(str.substr(i1));
+
−            return;
+
−        }
+
−        v.push_back(str.substr(i1, i2-i1));
+
−        i1 = i2+1;
+
−    }
+
−}
+
−
+
−
+
−string FormatMoney(int64 n, bool fPlus)
+
−{
+
−    // Note: not using straight sprintf here because we do NOT want
+
−    // localized number formatting.
+
−    int64 n_abs = (n > 0 ? n : -n);
+
−    int64 quotient = n_abs/COIN;
+
−    int64 remainder = n_abs%COIN;
+
−    string str = strprintf("%"PRI64d".%08"PRI64d, quotient, remainder);
+
−
+
−    // Right-trim excess 0's before the decimal point:
+
−    int nTrim = 0;
+
−    for (int i = str.size()-1; (str[i] == '0' && isdigit(str[i-2])); --i)
+
−        ++nTrim;
+
−    if (nTrim)
+
−        str.erase(str.size()-nTrim, nTrim);
+
−
+
−    if (n < 0)
+
−        str.insert((unsigned int)0, 1, '-');
+
−    else if (fPlus && n > 0)
+
−        str.insert((unsigned int)0, 1, '+');
+
−    return str;
+
−}
+
−
+
−
+
−bool ParseMoney(const string& str, int64& nRet)
+
−{
+
−    return ParseMoney(str.c_str(), nRet);
+
−}
+
−
+
−bool ParseMoney(const char* pszIn, int64& nRet)
+
−{
+
−    string strWhole;
+
−    int64 nUnits = 0;
+
−    const char* p = pszIn;
+
−    while (isspace(*p))
+
−        p++;
+
−    for (; *p; p++)
+
−    {
+
−        if (*p == '.')
+
−        {
+
−            p++;
+
−            int64 nMult = CENT*10;
+
−            while (isdigit(*p) && (nMult > 0))
+
−            {
+
−                nUnits += nMult * (*p++ - '0');
+
−                nMult /= 10;
+
−            }
+
−            break;
+
−        }
+
−        if (isspace(*p))
+
−            break;
+
−        if (!isdigit(*p))
+
−            return false;
+
−        strWhole.insert(strWhole.end(), *p);
+
−    }
+
−    for (; *p; p++)
+
−        if (!isspace(*p))
+
−            return false;
+
−    if (strWhole.size() > 10) // guard against 63 bit overflow
+
−        return false;
+
−    if (nUnits < 0 || nUnits > COIN)
+
−        return false;
+
−    int64 nWhole = atoi64(strWhole);
+
−    int64 nValue = nWhole*COIN + nUnits;
+
−
+
−    nRet = nValue;
+
−    return true;
+
−}
+
−
+
−
+
−static char phexdigit[256] =
+
−{ -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  0,1,2,3,4,5,6,7,8,9,-1,-1,-1,-1,-1,-1,
+
−  -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,0xa,0xb,0xc,0xd,0xe,0xf,-1,-1,-1,-1,-1,-1,-1,-1,-1
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
+
−  -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, };
+
−
+
−bool IsHex(const string& str)
+
−{
+
−    BOOST_FOREACH(unsigned char c, str)
+
−    {
+
−        if (phexdigit[c] < 0)
+
−            return false;
+
−    }
+
−    return (str.size() > 0) && (str.size()%2 == 0);
+
−}
+
−
+
−vector<unsigned char> ParseHex(const char* psz)
+
−{
+
−    // convert hex dump to vector
+
−    vector<unsigned char> vch;
+
−    loop
+
−    {
+
−        while (isspace(*psz))
+
−            psz++;
+
−        char c = phexdigit[(unsigned char)*psz++];
+
−        if (c == (char)-1)
+
−            break;
+
−        unsigned char n = (c << 4);
+
−        c = phexdigit[(unsigned char)*psz++];
+
−        if (c == (char)-1)
+
−            break;
+
−        n |= c;
+
−        vch.push_back(n);
+
−    }
+
−    return vch;
+
−}
+
−
+
−vector<unsigned char> ParseHex(const string& str)
+
−{
+
−    return ParseHex(str.c_str());
+
−}
+
−
+
−static void InterpretNegativeSetting(string name, map<string, string>& mapSettingsRet)
+
−{
+
−    // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
+
−    if (name.find("-no") == 0)
+
−    {
+
−        std::string positive("-");
+
−        positive.append(name.begin()+3, name.end());
+
−        if (mapSettingsRet.count(positive) == 0)
+
−        {
+
−            bool value = !GetBoolArg(name);
+
−            mapSettingsRet[positive] = (value ? "1" : "0");
+
−        }
+
−    }
+
−}
+
−
+
−void ParseParameters(int argc, const char*const argv[])
+
−{
+
−    mapArgs.clear();
+
−    mapMultiArgs.clear();
+
−    for (int i = 1; i < argc; i++)
+
−    {
+
−        char psz[10000];
+
−        strlcpy(psz, argv[i], sizeof(psz));
+
−        char* pszValue = (char*)"";
+
−        if (strchr(psz, '='))
+
−        {
+
−            pszValue = strchr(psz, '=');
+
−            *pszValue++ = '\0';
+
−        }
+
−        #ifdef WIN32
+
−        _strlwr(psz);
+
−        if (psz[0] == '/')
+
−            psz[0] = '-';
+
−        #endif
+
−        if (psz[0] != '-')
+
−            break;
+
−
+
−        mapArgs[psz] = pszValue;
+
−        mapMultiArgs[psz].push_back(pszValue);
+
−    }
+
−
+
−    // New 0.6 features:
+
−    BOOST_FOREACH(const PAIRTYPE(string,string)& entry, mapArgs)
+
−    {
+
−        string name = entry.first;
+
−
+
−        //  interpret --foo as -foo (as long as both are not set)
+
−        if (name.find("--") == 0)
+
−        {
+
−            std::string singleDash(name.begin()+1, name.end());
+
−            if (mapArgs.count(singleDash) == 0)
+
−                mapArgs[singleDash] = entry.second;
+
−            name = singleDash;
+
−        }
+
−
+
−        // interpret -nofoo as -foo=0 (and -nofoo=0 as -foo=1) as long as -foo not set
+
−        InterpretNegativeSetting(name, mapArgs);
+
−    }
+
−}
+
−
+
−std::string GetArg(const std::string& strArg, const std::string& strDefault)
+
−{
+
−    if (mapArgs.count(strArg))
+
−        return mapArgs[strArg];
+
−    return strDefault;
+
−}
+
−
+
−int64 GetArg(const std::string& strArg, int64 nDefault)
+
−{
+
−    if (mapArgs.count(strArg))
+
−        return atoi64(mapArgs[strArg]);
+
−    return nDefault;
+
−}
+
−
+
−bool GetBoolArg(const std::string& strArg, bool fDefault)
+
−{
+
−    if (mapArgs.count(strArg))
+
−    {
+
−        if (mapArgs[strArg].empty())
+
−            return true;
+
−        return (atoi(mapArgs[strArg]) != 0);
+
−    }
+
−    return fDefault;
+
−}
+
−
+
−bool SoftSetArg(const std::string& strArg, const std::string& strValue)
+
−{
+
−    if (mapArgs.count(strArg))
+
−        return false;
+
−    mapArgs[strArg] = strValue;
+
−    return true;
+
−}
+
−
+
−bool SoftSetBoolArg(const std::string& strArg, bool fValue)
+
−{
+
−    if (fValue)
+
−        return SoftSetArg(strArg, std::string("1"));
+
−    else
+
−        return SoftSetArg(strArg, std::string("0"));
+
−}
+
−
+
−
+
−string EncodeBase64(const unsigned char* pch, size_t len)
+
−{
+
−    static const char *pbase64 = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
+
−
+
−    string strRet="";
+
−    strRet.reserve((len+2)/3*4);
+
−
+
−    int mode=0, left=0;
+
−    const unsigned char *pchEnd = pch+len;
+
−
+
−    while (pch<pchEnd)
+
−    {
+
−        int enc = *(pch++);
+
−        switch (mode)
+
−        {
+
−            case 0: // we have no bits
+
−                strRet += pbase64[enc >> 2];
+
−                left = (enc & 3) << 4;
+
−                mode = 1;
+
−                break;
+
−
+
−            case 1: // we have two bits
+
−                strRet += pbase64[left | (enc >> 4)];
+
−                left = (enc & 15) << 2;
+
−                mode = 2;
+
−                break;
+
−
+
−            case 2: // we have four bits
+
−                strRet += pbase64[left | (enc >> 6)];
+
−                strRet += pbase64[enc & 63];
+
−                mode = 0;
+
−                break;
+
−        }
+
−    }
+
−
+
−    if (mode)
+
−    {
+
−        strRet += pbase64[left];
+
−        strRet += '=';
+
−        if (mode == 1)
+
−            strRet += '=';
+
−    }
+
−
+
−    return strRet;
+
−}
+
−
+
−string EncodeBase64(const string& str)
+
−{
+
−    return EncodeBase64((const unsigned char*)str.c_str(), str.size());
+
−}
+
−
+
−vector<unsigned char> DecodeBase64(const char* p, bool* pfInvalid)
+
−{
+
−    static const int decode64_table[256] =
+
−    {
+
−        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+
−        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+
−        -1, -1, -1, 62, -1, -1, -1, 63, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, -1, -1,
+
−        -1, -1, -1, -1, -1,  0,  1,  2,  3,  4,  5,  6,  7,  8,  9, 10, 11, 12, 13, 14,
+
−        15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, -1, -1, -1, -1, -1, -1, 26, 27, 28,
+
−        29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48,
+
−        49, 50, 51, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+
−        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+
−        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+
−        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+
−        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+
−        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+
−        -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1
+
−    };
+
−
+
−    if (pfInvalid)
+
−        *pfInvalid = false;
+
−
+
−    vector<unsigned char> vchRet;
+
−    vchRet.reserve(strlen(p)*3/4);
+
−
+
−    int mode = 0;
+
−    int left = 0;
+
−
+
−    while (1)
+
−    {
+
−         int dec = decode64_table[*p];
+
−         if (dec == -1) break;
+
−         p++;
+
−         switch (mode)
+
−         {
+
−             case 0: // we have no bits and get 6
+
−                 left = dec;
+
−                 mode = 1;
+
−                 break;
+
−
+
−              case 1: // we have 6 bits and keep 4
+
−                  vchRet.push_back((left<<2) | (dec>>4));
+
−                  left = dec & 15;
+
−                  mode = 2;
+
−                  break;
+
−
+
−             case 2: // we have 4 bits and get 6, we keep 2
+
−                 vchRet.push_back((left<<4) | (dec>>2));
+
−                 left = dec & 3;
+
−                 mode = 3;
+
−                 break;
+
−
+
−             case 3: // we have 2 bits and get 6
+
−                 vchRet.push_back((left<<6) | dec);
+
−                 mode = 0;
+
−                 break;
+
−         }
+
−    }
+
−
+
−    if (pfInvalid)
+
−        switch (mode)
+
−        {
+
−            case 0: // 4n base64 characters processed: ok
+
−                break;
+
−
+
−            case 1: // 4n+1 base64 character processed: impossible
+
−                *pfInvalid = true;
+
−                break;
+
−
+
−            case 2: // 4n+2 base64 characters processed: require '=='
+
−                if (left || p[0] != '=' || p[1] != '=' || decode64_table[p[2]] != -1)
+
−                    *pfInvalid = true;
+
−                break;
+
−
+
−            case 3: // 4n+3 base64 characters processed: require '='
+
−                if (left || p[0] != '=' || decode64_table[p[1]] != -1)
+
−                    *pfInvalid = true;
+
−                break;
+
−        }
+
−
+
−    return vchRet;
+
−}
+
−
+
−string DecodeBase64(const string& str)
+
−{
+
−    vector<unsigned char> vchRet = DecodeBase64(str.c_str());
+
−    return string((const char*)&vchRet[0], vchRet.size());
+
−}
+
−
+
−
+
−bool WildcardMatch(const char* psz, const char* mask)
+
−{
+
−    loop
+
−    {
+
−        switch (*mask)
+
−        {
+
−        case '\0':
+
−            return (*psz == '\0');
+
−        case '*':
+
−            return WildcardMatch(psz, mask+1) || (*psz && WildcardMatch(psz+1, mask));
+
−        case '?':
+
−            if (*psz == '\0')
+
−                return false;
+
−            break;
+
−        default:
+
−            if (*psz != *mask)
+
−                return false;
+
−            break;
+
−        }
+
−        psz++;
+
−        mask++;
+
−    }
+
−}
+
−
+
−bool WildcardMatch(const string& str, const string& mask)
+
−{
+
−    return WildcardMatch(str.c_str(), mask.c_str());
+
−}
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−void FormatException(char* pszMessage, std::exception* pex, const char* pszThread)
+
−{
+
−#ifdef WIN32
+
−    char pszModule[MAX_PATH];
+
−    pszModule[0] = '\0';
+
−    GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
+
−#else
+
−    const char* pszModule = "bitcoin";
+
−#endif
+
−    if (pex)
+
−        snprintf(pszMessage, 1000,
+
−            "EXCEPTION: %s       \n%s       \n%s in %s       \n", typeid(*pex).name(), pex->what(), pszModule, pszThread);
+
−    else
+
−        snprintf(pszMessage, 1000,
+
−            "UNKNOWN EXCEPTION       \n%s in %s       \n", pszModule, pszThread);
+
−}
+
−
+
−void LogException(std::exception* pex, const char* pszThread)
+
−{
+
−    char pszMessage[10000];
+
−    FormatException(pszMessage, pex, pszThread);
+
−    printf("\n%s", pszMessage);
+
−}
+
−
+
−void PrintException(std::exception* pex, const char* pszThread)
+
−{
+
−    char pszMessage[10000];
+
−    FormatException(pszMessage, pex, pszThread);
+
−    printf("\n\n************************\n%s\n", pszMessage);
+
−    fprintf(stderr, "\n\n************************\n%s\n", pszMessage);
+
−    strMiscWarning = pszMessage;
+
−    throw;
+
−}
+
−
+
−void PrintExceptionContinue(std::exception* pex, const char* pszThread)
+
−{
+
−    char pszMessage[10000];
+
−    FormatException(pszMessage, pex, pszThread);
+
−    printf("\n\n************************\n%s\n", pszMessage);
+
−    fprintf(stderr, "\n\n************************\n%s\n", pszMessage);
+
−    strMiscWarning = pszMessage;
+
−}
+
−
+
−#ifdef WIN32
+
−string MyGetSpecialFolderPath(int nFolder, bool fCreate)
+
−{
+
−    char pszPath[MAX_PATH] = "";
+
−    if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
+
−    {
+
−        return pszPath;
+
−    }
+
−    else if (nFolder == CSIDL_STARTUP)
+
−    {
+
−        return string(getenv("USERPROFILE")) + "\\Start Menu\\Programs\\Startup";
+
−    }
+
−    else if (nFolder == CSIDL_APPDATA)
+
−    {
+
−        return getenv("APPDATA");
+
−    }
+
−    return "";
+
−}
+
−#endif
+
−
+
−string GetDefaultDataDir()
+
−{
+
−    // Windows: C:\Documents and Settings\username\Application Data\Bitcoin
+
−    // Mac: ~/Library/Application Support/Bitcoin
+
−    // Unix: ~/.bitcoin
+
−#ifdef WIN32
+
−    // Windows
+
−    return MyGetSpecialFolderPath(CSIDL_APPDATA, true) + "\\Bitcoin";
+
−#else
+
−    char* pszHome = getenv("HOME");
+
−    if (pszHome == NULL || strlen(pszHome) == 0)
+
−        pszHome = (char*)"/";
+
−    string strHome = pszHome;
+
−    if (strHome[strHome.size()-1] != '/')
+
−        strHome += '/';
+
−#ifdef MAC_OSX
+
−    // Mac
+
−    strHome += "Library/Application Support/";
+
−    filesystem::create_directory(strHome.c_str());
+
−    return strHome + "Bitcoin";
+
−#else
+
−    // Unix
+
−    return strHome + ".bitcoin";
+
−#endif
+
−#endif
+
−}
+
−
+
−void GetDataDir(char* pszDir)
+
−{
+
−    // pszDir must be at least MAX_PATH length.
+
−    int nVariation;
+
−    if (pszSetDataDir[0] != 0)
+
−    {
+
−        strlcpy(pszDir, pszSetDataDir, MAX_PATH);
+
−        nVariation = 0;
+
−    }
+
−    else
+
−    {
+
−        // This can be called during exceptions by printf, so we cache the
+
−        // value so we don't have to do memory allocations after that.
+
−        static char pszCachedDir[MAX_PATH];
+
−        if (pszCachedDir[0] == 0)
+
−            strlcpy(pszCachedDir, GetDefaultDataDir().c_str(), sizeof(pszCachedDir));
+
−        strlcpy(pszDir, pszCachedDir, MAX_PATH);
+
−        nVariation = 1;
+
−    }
+
−    if (fTestNet)
+
−    {
+
−        char* p = pszDir + strlen(pszDir);
+
−        if (p > pszDir && p[-1] != '/' && p[-1] != '\\')
+
−            *p++ = '/';
+
−        strcpy(p, "testnet");
+
−        nVariation += 2;
+
−    }
+
−    static bool pfMkdir[4];
+
−    if (!pfMkdir[nVariation])
+
−    {
+
−        pfMkdir[nVariation] = true;
+
−        boost::filesystem::create_directory(pszDir);
+
−    }
+
−}
+
−
+
−string GetDataDir()
+
−{
+
−    char pszDir[MAX_PATH];
+
−    GetDataDir(pszDir);
+
−    return pszDir;
+
−}
+
−
+
−string GetConfigFile()
+
−{
+
−    namespace fs = boost::filesystem;
+
−    fs::path pathConfig(GetArg("-conf", "bitcoin.conf"));
+
−    if (!pathConfig.is_complete())
+
−        pathConfig = fs::path(GetDataDir()) / pathConfig;
+
−    return pathConfig.string();
+
−}
+
−
+
−bool ReadConfigFile(map<string, string>& mapSettingsRet,
+
−                    map<string, vector<string> >& mapMultiSettingsRet)
+
−{
+
−    namespace fs = boost::filesystem;
+
−    namespace pod = boost::program_options::detail;
+
−
+
−    if (mapSettingsRet.count("-datadir"))
+
−    {
+
−        if (fs::is_directory(fs::system_complete(mapSettingsRet["-datadir"])))
+
−        {
+
−            fs::path pathDataDir = fs::system_complete(mapSettingsRet["-datadir"]);
+
−            strlcpy(pszSetDataDir, pathDataDir.string().c_str(), sizeof(pszSetDataDir));
+
−        }
+
−        else
+
−        {
+
−            return false;
+
−        }
+
−    }
+
−
+
−    fs::ifstream streamConfig(GetConfigFile());
+
−    if (!streamConfig.good())
+
−        return true; // No bitcoin.conf file is OK
+
−
+
−    set<string> setOptions;
+
−    setOptions.insert("*");
+
−    
+
−    for (pod::config_file_iterator it(streamConfig, setOptions), end; it != end; ++it)
+
−    {
+
−        // Don't overwrite existing settings so command line settings override bitcoin.conf
+
−        string strKey = string("-") + it->string_key;
+
−        if (mapSettingsRet.count(strKey) == 0)
+
−        {
+
−            mapSettingsRet[strKey] = it->value[0];
+
−            //  interpret nofoo=1 as foo=0 (and nofoo=0 as foo=1) as long as foo not set)
+
−            InterpretNegativeSetting(strKey, mapSettingsRet);
+
−        }
+
−        mapMultiSettingsRet[strKey].push_back(it->value[0]);
+
−    }
+
−    return true;
+
−}
+
−
+
−string GetPidFile()
+
−{
+
−    namespace fs = boost::filesystem;
+
−    fs::path pathConfig(GetArg("-pid", "bitcoind.pid"));
+
−    if (!pathConfig.is_complete())
+
−        pathConfig = fs::path(GetDataDir()) / pathConfig;
+
−    return pathConfig.string();
+
−}
+
−
+
−void CreatePidFile(string pidFile, pid_t pid)
+
−{
+
−    FILE* file = fopen(pidFile.c_str(), "w");
+
−    if (file)
+
−    {
+
−        fprintf(file, "%d\n", pid);
+
−        fclose(file);
+
−    }
+
−}
+
−
+
−int GetFilesize(FILE* file)
+
−{
+
−    int nSavePos = ftell(file);
+
−    int nFilesize = -1;
+
−    if (fseek(file, 0, SEEK_END) == 0)
+
−        nFilesize = ftell(file);
+
−    fseek(file, nSavePos, SEEK_SET);
+
−    return nFilesize;
+
−}
+
−
+
−void ShrinkDebugFile()
+
−{
+
−    // Scroll debug.log if it's getting too big
+
−    string strFile = GetDataDir() + "/debug.log";
+
−    FILE* file = fopen(strFile.c_str(), "r");
+
−    if (file && GetFilesize(file) > 10 * 1000000)
+
−    {
+
−        // Restart the file with some of the end
+
−        char pch[200000];
+
−        fseek(file, -sizeof(pch), SEEK_END);
+
−        int nBytes = fread(pch, 1, sizeof(pch), file);
+
−        fclose(file);
+
−
+
−        file = fopen(strFile.c_str(), "w");
+
−        if (file)
+
−        {
+
−            fwrite(pch, 1, nBytes, file);
+
−            fclose(file);
+
−        }
+
−    }
+
−}
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−//
+
−// "Never go to sea with two chronometers; take one or three."
+
−// Our three time sources are:
+
−//  - System clock
+
−//  - Median of other nodes's clocks
+
−//  - The user (asking the user to fix the system clock if the first two disagree)
+
−//
+
−static int64 nMockTime = 0;  // For unit testing
+
−
+
−int64 GetTime()
+
−{
+
−    if (nMockTime) return nMockTime;
+
−
+
−    return time(NULL);
+
−}
+
−
+
−void SetMockTime(int64 nMockTimeIn)
+
−{
+
−    nMockTime = nMockTimeIn;
+
−}
+
−
+
−static int64 nTimeOffset = 0;
+
−
+
−int64 GetAdjustedTime()
+
−{
+
−    return GetTime() + nTimeOffset;
+
−}
+
−
+
−void AddTimeData(const CNetAddr& ip, int64 nTime)
+
−{
+
−    int64 nOffsetSample = nTime - GetTime();
+
−
+
−    // Ignore duplicates
+
−    static set<CNetAddr> setKnown;
+
−    if (!setKnown.insert(ip).second)
+
−        return;
+
−
+
−    // Add data
+
−    vTimeOffsets.input(nOffsetSample);
+
−    printf("Added time data, samples %d, offset %+"PRI64d" (%+"PRI64d" minutes)\n", vTimeOffsets.size(), nOffsetSample, nOffsetSample/60);
+
−    if (vTimeOffsets.size() >= 5 && vTimeOffsets.size() % 2 == 1)
+
−    {
+
−        int64 nMedian = vTimeOffsets.median();
+
−        std::vector<int64> vSorted = vTimeOffsets.sorted();
+
−        // Only let other nodes change our time by so much
+
−        if (abs64(nMedian) < 70 * 60)
+
−        {
+
−            nTimeOffset = nMedian;
+
−        }
+
−        else
+
−        {
+
−            nTimeOffset = 0;
+
−
+
−            static bool fDone;
+
−            if (!fDone)
+
−            {
+
−                // If nobody has a time different than ours but within 5 minutes of ours, give a warning
+
−                bool fMatch = false;
+
−                BOOST_FOREACH(int64 nOffset, vSorted)
+
−                    if (nOffset != 0 && abs64(nOffset) < 5 * 60)
+
−                        fMatch = true;
+
−
+
−                if (!fMatch)
+
−                {
+
−                    fDone = true;
+
−                    string strMessage = _("Warning: Please check that your computer's date and time are correct.  If your clock is wrong Bitcoin will not work properly.");
+
−                    strMiscWarning = strMessage;
+
−                    printf("*** %s\n", strMessage.c_str());
+
−                    ThreadSafeMessageBox(strMessage+" ", string("Bitcoin"), wxOK | wxICON_EXCLAMATION);
+
−                }
+
−            }
+
−        }
+
−        if (fDebug) {
+
−            BOOST_FOREACH(int64 n, vSorted)
+
−                printf("%+"PRI64d"  ", n);
+
−            printf("|  ");
+
−        }
+
−        printf("nTimeOffset = %+"PRI64d"  (%+"PRI64d" minutes)\n", nTimeOffset, nTimeOffset/60);
+
−    }
+
−}
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−
+
−string FormatVersion(int nVersion)
+
−{
+
−    if (nVersion%100 == 0)
+
−        return strprintf("%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100);
+
−    else
+
−        return strprintf("%d.%d.%d.%d", nVersion/1000000, (nVersion/10000)%100, (nVersion/100)%100, nVersion%100);
+
−}
+
−
+
−string FormatFullVersion()
+
−{
+
−    string s = FormatVersion(CLIENT_VERSION);
+
−    if (VERSION_IS_BETA) {
+
−        s += "-";
+
−        s += _("beta");
+
−    }
+
−    return s;
+
−}
+
−
+
−// Format the subversion field according to BIP 14 spec (https://en.bitcoin.it/wiki/BIP_0014)
+
−std::string FormatSubVersion(const std::string& name, int nClientVersion, const std::vector<std::string>& comments)
+
−{
+
−    std::ostringstream ss;
+
−    ss << "/";
+
−    ss << name << ":" << FormatVersion(nClientVersion);
+
−    if (!comments.empty())
+
−        ss << "(" << boost::algorithm::join(comments, "; ") << ")";
+
−    ss << "/";
+
−    return ss.str();
+
−}
+
−
+
−
+
−
+
−#ifdef DEBUG_LOCKORDER
+
−//
+
−// Early deadlock detection.
+
−// Problem being solved:
+
−//    Thread 1 locks  A, then B, then C
+
−//    Thread 2 locks  D, then C, then A
+
−//     --> may result in deadlock between the two threads, depending on when they run.
+
−// Solution implemented here:
+
−// Keep track of pairs of locks: (A before B), (A before C), etc.
+
−// Complain if any thread trys to lock in a different order.
+
−//
+
−
+
−struct CLockLocation
+
−{
+
−    CLockLocation(const char* pszName, const char* pszFile, int nLine)
+
−    {
+
−        mutexName = pszName;
+
−        sourceFile = pszFile;
+
−        sourceLine = nLine;
+
−    }
+
−
+
−    std::string ToString() const
+
−    {
+
−        return mutexName+"  "+sourceFile+":"+itostr(sourceLine);
+
−    }
+
−
+
−private:
+
−    std::string mutexName;
+
−    std::string sourceFile;
+
−    int sourceLine;
+
−};
+
−
+
−typedef std::vector< std::pair<CCriticalSection*, CLockLocation> > LockStack;
+
−
+
−static boost::interprocess::interprocess_mutex dd_mutex;
+
−static std::map<std::pair<CCriticalSection*, CCriticalSection*>, LockStack> lockorders;
+
−static boost::thread_specific_ptr<LockStack> lockstack;
+
−
+
−
+
−static void potential_deadlock_detected(const std::pair<CCriticalSection*, CCriticalSection*>& mismatch, const LockStack& s1, const LockStack& s2)
+
−{
+
−    printf("POTENTIAL DEADLOCK DETECTED\n");
+
−    printf("Previous lock order was:\n");
+
−    BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, s2)
+
−    {
+
−        if (i.first == mismatch.first) printf(" (1)");
+
−        if (i.first == mismatch.second) printf(" (2)");
+
−        printf(" %s\n", i.second.ToString().c_str());
+
−    }
+
−    printf("Current lock order is:\n");
+
−    BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, s1)
+
−    {
+
−        if (i.first == mismatch.first) printf(" (1)");
+
−        if (i.first == mismatch.second) printf(" (2)");
+
−        printf(" %s\n", i.second.ToString().c_str());
+
−    }
+
−}
+
−
+
−static void push_lock(CCriticalSection* c, const CLockLocation& locklocation)
+
−{
+
−    bool fOrderOK = true;
+
−    if (lockstack.get() == NULL)
+
−        lockstack.reset(new LockStack);
+
−
+
−    if (fDebug) printf("Locking: %s\n", locklocation.ToString().c_str());
+
−    dd_mutex.lock();
+
−
+
−    (*lockstack).push_back(std::make_pair(c, locklocation));
+
−
+
−    BOOST_FOREACH(const PAIRTYPE(CCriticalSection*, CLockLocation)& i, (*lockstack))
+
−    {
+
−        if (i.first == c) break;
+
−
+
−        std::pair<CCriticalSection*, CCriticalSection*> p1 = std::make_pair(i.first, c);
+
−        if (lockorders.count(p1))
+
−            continue;
+
−        lockorders[p1] = (*lockstack);
+
−
+
−        std::pair<CCriticalSection*, CCriticalSection*> p2 = std::make_pair(c, i.first);
+
−        if (lockorders.count(p2))
+
−        {
+
−            potential_deadlock_detected(p1, lockorders[p2], lockorders[p1]);
+
−            break;
+
−        }
+
−    }
+
−    dd_mutex.unlock();
+
−}
+
−
+
−static void pop_lock()
+
−{
+
−    if (fDebug) 
+
−    {
+
−        const CLockLocation& locklocation = (*lockstack).rbegin()->second;
+
−        printf("Unlocked: %s\n", locklocation.ToString().c_str());
+
−    }
+
−    dd_mutex.lock();
+
−    (*lockstack).pop_back();
+
−    dd_mutex.unlock();
+
−}
+
−
+
−void EnterCritical(const char* pszName, const char* pszFile, int nLine, void* cs)
+
−{
+
−    push_lock(cs, CLockLocation(pszName, pszFile, nLine));
+
−}
+
−
+
−void LeaveCritical()
+
−{
+
−    pop_lock();
+
−}
+
−
+
−#endif /* DEBUG_LOCKORDER */