// 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.
+// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include "headers.h"
+#include "strlcpy.h"
+#include <boost/algorithm/string/join.hpp>
+
+// Work around clang compilation problem in Boost 1.46:
+// /usr/include/boost/program_options/detail/config_file.hpp:163:17: error: call to function 'to_internal' that is neither visible in the template definition nor found by argument-dependent lookup
+// See also: http://stackoverflow.com/questions/10020179/compilation-fail-in-boost-librairies-program-options
+// http://clang.debian.net/status.php?version=3.0&key=CANNOT_FIND_FUNCTION
+namespace boost {
+ namespace program_options {
+ std::string to_internal(const std::string&);
+ }
+}
+
+#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;
bool fTestNet = false;
bool fNoListen = false;
bool fLogTimestamps = false;
-
+CMedianFilter<int64> vTimeOffsets(200,0);
ppmutexOpenSSL[i] = new boost::interprocess::interprocess_mutex();
CRYPTO_set_locking_callback(locking_callback);
-#ifdef __WXMSW__
+#ifdef WIN32
// Seed random number generator with screen scrape and other hardware sources
RAND_screen();
#endif
return;
nLastPerfmon = GetTime();
-#ifdef __WXMSW__
+#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];
// The range of the random source must be a multiple of the modulus
// to give every possible output value an equal possibility
- uint64 nRange = (UINT64_MAX / nMax) * nMax;
+ uint64 nRange = (std::numeric_limits<uint64>::max() / nMax) * nMax;
uint64 nRand = 0;
do
RAND_bytes((unsigned char*)&nRand, sizeof(nRand));
}
}
-#ifdef __WXMSW__
+#ifdef WIN32
if (fPrintToDebugger)
{
static CCriticalSection cs_OutputDebugStringF;
*pend = '\0';
char* p1 = pszBuffer;
char* p2;
- while (p2 = strchr(p1, '\n'))
+ while ((p2 = strchr(p1, '\n')))
{
p2++;
char c = *p2;
return ret;
}
-
-string strprintf(const char* format, ...)
+string strprintf(const std::string &format, ...)
{
char buffer[50000];
char* p = buffer;
{
va_list arg_ptr;
va_start(arg_ptr, format);
- ret = _vsnprintf(p, limit, format, arg_ptr);
+ ret = _vsnprintf(p, limit, format.c_str(), arg_ptr);
va_end(arg_ptr);
if (ret >= 0 && ret < limit)
break;
return str;
}
-
-bool error(const char* format, ...)
+bool error(const std::string &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);
+ int ret = _vsnprintf(buffer, limit, format.c_str(), arg_ptr);
va_end(arg_ptr);
if (ret < 0 || ret >= limit)
{
if (nTrim)
str.erase(str.size()-nTrim, nTrim);
- // Insert thousands-separators:
- size_t point = str.find(".");
- for (int i = (str.size()-point)+3; i < str.size(); i += 4)
- if (isdigit(str[str.size() - i - 1]))
- str.insert(str.size() - i, 1, ',');
if (n < 0)
str.insert((unsigned int)0, 1, '-');
else if (fPlus && n > 0)
p++;
for (; *p; p++)
{
- if (*p == ',' && p > pszIn && isdigit(p[-1]) && isdigit(p[1]) && isdigit(p[2]) && isdigit(p[3]) && !isdigit(p[4]))
- continue;
if (*p == '.')
{
p++;
for (; *p; p++)
if (!isspace(*p))
return false;
- if (strWhole.size() > 14)
+ if (strWhole.size() > 10) // guard against 63 bit overflow
return false;
if (nUnits < 0 || nUnits > COIN)
return false;
}
-vector<unsigned char> ParseHex(const char* psz)
+static signed 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)
{
- 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, };
+ 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)
+ signed char c = phexdigit[(unsigned char)*psz++];
+ if (c == (signed char)-1)
break;
unsigned char n = (c << 4);
c = phexdigit[(unsigned char)*psz++];
- if (c == (char)-1)
+ if (c == (signed char)-1)
break;
n |= c;
vch.push_back(n);
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, char* argv[])
+void ParseParameters(int argc, const char*const argv[])
{
mapArgs.clear();
mapMultiArgs.clear();
pszValue = strchr(psz, '=');
*pszValue++ = '\0';
}
- #ifdef __WXMSW__
+ #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;
+}
-const char* wxGetTranslation(const char* pszEnglish)
+bool GetBoolArg(const std::string& strArg, bool fDefault)
{
-#ifdef GUI
- // Wrapper of wxGetTranslation returning the same const char* type as was passed in
- static CCriticalSection cs;
- CRITICAL_BLOCK(cs)
+ if (mapArgs.count(strArg))
{
- // Look in cache
- static map<string, char*> mapCache;
- map<string, char*>::iterator mi = mapCache.find(pszEnglish);
- if (mi != mapCache.end())
- return (*mi).second;
+ if (mapArgs[strArg].empty())
+ return true;
+ return (atoi(mapArgs[strArg]) != 0);
+ }
+ return fDefault;
+}
- // wxWidgets translation
- wxString strTranslated = wxGetTranslation(wxString(pszEnglish, wxConvUTF8));
+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+/";
- // We don't cache unknown strings because caller might be passing in a
- // dynamic string and we would keep allocating memory for each variation.
- if (strcmp(pszEnglish, strTranslated.utf8_str()) == 0)
- return pszEnglish;
+ string strRet="";
+ strRet.reserve((len+2)/3*4);
- // Add to cache, memory doesn't need to be freed. We only cache because
- // we must pass back a pointer to permanently allocated memory.
- char* pszCached = new char[strlen(strTranslated.utf8_str())+1];
- strcpy(pszCached, strTranslated.utf8_str());
- mapCache[pszEnglish] = pszCached;
- return pszCached;
+ 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;
+ }
}
- return NULL;
-#else
- return pszEnglish;
-#endif
+
+ 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[(unsigned char)*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[(unsigned char)p[2]] != -1)
+ *pfInvalid = true;
+ break;
+
+ case 3: // 4n+3 base64 characters processed: require '='
+ if (left || p[0] != '=' || decode64_table[(unsigned char)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());
}
void FormatException(char* pszMessage, std::exception* pex, const char* pszThread)
{
-#ifdef __WXMSW__
+#ifdef WIN32
char pszModule[MAX_PATH];
pszModule[0] = '\0';
GetModuleFileNameA(NULL, pszModule, sizeof(pszModule));
printf("\n\n************************\n%s\n", pszMessage);
fprintf(stderr, "\n\n************************\n%s\n", pszMessage);
strMiscWarning = pszMessage;
-#ifdef GUI
- if (wxTheApp && !fDaemon)
- MyMessageBox(pszMessage, "Bitcoin", wxOK | wxICON_ERROR);
-#endif
throw;
}
-void ThreadOneMessageBox(string strMessage)
-{
- // Skip message boxes if one is already open
- static bool fMessageBoxOpen;
- if (fMessageBoxOpen)
- return;
- fMessageBoxOpen = true;
- ThreadSafeMessageBox(strMessage, "Bitcoin", wxOK | wxICON_EXCLAMATION);
- fMessageBoxOpen = false;
-}
-
void PrintExceptionContinue(std::exception* pex, const char* pszThread)
{
char pszMessage[10000];
printf("\n\n************************\n%s\n", pszMessage);
fprintf(stderr, "\n\n************************\n%s\n", pszMessage);
strMiscWarning = pszMessage;
-#ifdef GUI
- if (wxTheApp && !fDaemon)
- boost::thread(boost::bind(ThreadOneMessageBox, string(pszMessage)));
-#endif
}
-
-
-
-
-
-
-
-#ifdef __WXMSW__
-typedef WINSHELLAPI BOOL (WINAPI *PSHGETSPECIALFOLDERPATHA)(HWND hwndOwner, LPSTR lpszPath, int nFolder, BOOL fCreate);
-
+#ifdef WIN32
string MyGetSpecialFolderPath(int nFolder, bool fCreate)
{
- char pszPath[MAX_PATH+100] = "";
-
- // SHGetSpecialFolderPath isn't always available on old Windows versions
- HMODULE hShell32 = LoadLibraryA("shell32.dll");
- if (hShell32)
+ char pszPath[MAX_PATH] = "";
+ if(SHGetSpecialFolderPathA(NULL, pszPath, nFolder, fCreate))
{
- PSHGETSPECIALFOLDERPATHA pSHGetSpecialFolderPath =
- (PSHGETSPECIALFOLDERPATHA)GetProcAddress(hShell32, "SHGetSpecialFolderPathA");
- if (pSHGetSpecialFolderPath)
- (*pSHGetSpecialFolderPath)(NULL, pszPath, nFolder, fCreate);
- FreeModule(hShell32);
+ return pszPath;
}
-
- // Backup option
- if (pszPath[0] == '\0')
+ else if (nFolder == CSIDL_STARTUP)
{
- if (nFolder == CSIDL_STARTUP)
- {
- strcpy(pszPath, getenv("USERPROFILE"));
- strcat(pszPath, "\\Start Menu\\Programs\\Startup");
- }
- else if (nFolder == CSIDL_APPDATA)
- {
- strcpy(pszPath, getenv("APPDATA"));
- }
+ return string(getenv("USERPROFILE")) + "\\Start Menu\\Programs\\Startup";
}
-
- return pszPath;
+ else if (nFolder == CSIDL_APPDATA)
+ {
+ return getenv("APPDATA");
+ }
+ return "";
}
#endif
// Windows: C:\Documents and Settings\username\Application Data\Bitcoin
// Mac: ~/Library/Application Support/Bitcoin
// Unix: ~/.bitcoin
-#ifdef __WXMSW__
+#ifdef WIN32
// Windows
return MyGetSpecialFolderPath(CSIDL_APPDATA, true) + "\\Bitcoin";
#else
string strHome = pszHome;
if (strHome[strHome.size()-1] != '/')
strHome += '/';
-#ifdef __WXMAC_OSX__
+#ifdef MAC_OSX
// Mac
strHome += "Library/Application Support/";
filesystem::create_directory(strHome.c_str());
return pathConfig.string();
}
-void ReadConfigFile(map<string, string>& mapSettingsRet,
+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;
+ return true; // No bitcoin.conf file is OK
set<string> setOptions;
setOptions.insert("*");
// 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()
void CreatePidFile(string pidFile, pid_t pid)
{
- FILE* file;
- if (file = fopen(pidFile.c_str(), "w"))
+ FILE* file = fopen(pidFile.c_str(), "w");
+ if (file)
{
fprintf(file, "%d\n", pid);
fclose(file);
fseek(file, -sizeof(pch), SEEK_END);
int nBytes = fread(pch, 1, sizeof(pch), file);
fclose(file);
- if (file = fopen(strFile.c_str(), "w"))
+
+ file = fopen(strFile.c_str(), "w");
+ if (file)
{
fwrite(pch, 1, nBytes, file);
fclose(file);
// - 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(unsigned int ip, int64 nTime)
+void AddTimeData(const CNetAddr& ip, int64 nTime)
{
int64 nOffsetSample = nTime - GetTime();
// Ignore duplicates
- static set<unsigned int> setKnown;
+ static set<CNetAddr> setKnown;
if (!setKnown.insert(ip).second)
return;
// Add data
- static vector<int64> vTimeOffsets;
- if (vTimeOffsets.empty())
- vTimeOffsets.push_back(0);
- vTimeOffsets.push_back(nOffsetSample);
- printf("Added time data, samples %d, offset %+"PRI64d" (%+"PRI64d" minutes)\n", vTimeOffsets.size(), vTimeOffsets.back(), vTimeOffsets.back()/60);
+ 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)
{
- sort(vTimeOffsets.begin(), vTimeOffsets.end());
- int64 nMedian = vTimeOffsets[vTimeOffsets.size()/2];
+ 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)
{
{
// If nobody has a time different than ours but within 5 minutes of ours, give a warning
bool fMatch = false;
- BOOST_FOREACH(int64 nOffset, vTimeOffsets)
+ BOOST_FOREACH(int64 nOffset, vSorted)
if (nOffset != 0 && abs64(nOffset) < 5 * 60)
fMatch = true;
}
}
}
- BOOST_FOREACH(int64 n, vTimeOffsets)
- printf("%+"PRI64d" ", n);
- printf("| nTimeOffset = %+"PRI64d" (%+"PRI64d" minutes)\n", nTimeOffset, nTimeOffset/60);
+ 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)
string FormatFullVersion()
{
- string s = FormatVersion(VERSION) + pszSubVer;
+ 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 CCriticalSection::Enter(const char* pszName, const char* pszFile, int nLine)
+{
+ push_lock(this, CLockLocation(pszName, pszFile, nLine));
+#ifdef DEBUG_LOCKCONTENTION
+ bool result = mutex.try_lock();
+ if (!result)
+ {
+ printf("LOCKCONTENTION: %s\n", pszName);
+ printf("Locker: %s:%d\n", pszFile, nLine);
+ mutex.lock();
+ printf("Locked\n");
+ }
+#else
+ mutex.lock();
+#endif
+}
+void CCriticalSection::Leave()
+{
+ mutex.unlock();
+ pop_lock();
+}
+bool CCriticalSection::TryEnter(const char* pszName, const char* pszFile, int nLine)
+{
+ push_lock(this, CLockLocation(pszName, pszFile, nLine));
+ bool result = mutex.try_lock();
+ if (!result) pop_lock();
+ return result;
+}
+#else
+void CCriticalSection::Enter(const char* pszName, const char* pszFile, int nLine)
+{
+#ifdef DEBUG_LOCKCONTENTION
+ bool result = mutex.try_lock();
+ if (!result)
+ {
+ printf("LOCKCONTENTION: %s\n", pszName);
+ printf("Locker: %s:%d\n", pszFile, nLine);
+ mutex.lock();
+ }
+#else
+ mutex.lock();
+#endif
+}
+
+void CCriticalSection::Leave()
+{
+ mutex.unlock();
+}
+
+bool CCriticalSection::TryEnter(const char*, const char*, int)
+{
+ bool result = mutex.try_lock();
+ return result;
+}
+#endif /* DEBUG_LOCKORDER */