// 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"
+
+// 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>
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];
}
}
-#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;
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 char phexdigit[256] =
+ 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
+ -1,0xa,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,
{
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());
}
-
void ParseParameters(int argc, char* argv[])
{
mapArgs.clear();
pszValue = strchr(psz, '=');
*pszValue++ = '\0';
}
- #ifdef __WXMSW__
+ #ifdef WIN32
_strlwr(psz);
if (psz[0] == '/')
psz[0] = '-';
}
}
+bool SoftSetArg(const std::string& strArg, const std::string& strValue)
+{
+ if (mapArgs.count(strArg))
+ return false;
+ mapArgs[strArg] = strValue;
+ return true;
+}
+
+bool SoftSetArg(const std::string& strArg, bool fValue)
+{
+ if (fValue)
+ return SoftSetArg(strArg, std::string("1"));
+ else
+ return SoftSetArg(strArg, std::string("0"));
+}
+
-const char* wxGetTranslation(const char* pszEnglish)
+string EncodeBase64(const unsigned char* pch, size_t len)
{
-#ifdef GUI
- // Wrapper of wxGetTranslation returning the same const char* type as was passed in
- static CCriticalSection cs;
- CRITICAL_BLOCK(cs)
+ 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)
{
- // Look in cache
- static map<string, char*> mapCache;
- map<string, char*>::iterator mi = mapCache.find(pszEnglish);
- if (mi != mapCache.end())
- return (*mi).second;
+ 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 += '=';
+ }
- // wxWidgets translation
- wxString strTranslated = wxGetTranslation(wxString(pszEnglish, wxConvUTF8));
+ return strRet;
+}
- // 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 EncodeBase64(const string& str)
+{
+ return EncodeBase64((const unsigned char*)str.c_str(), str.size());
+}
- // 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;
+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;
+ }
}
- return NULL;
-#else
- return pszEnglish;
-#endif
+
+ 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;
}
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__
+#ifdef WIN32
typedef WINSHELLAPI BOOL (WINAPI *PSHGETSPECIALFOLDERPATHA)(HWND hwndOwner, LPSTR lpszPath, int nFolder, BOOL fCreate);
string MyGetSpecialFolderPath(int nFolder, bool fCreate)
{
PSHGETSPECIALFOLDERPATHA pSHGetSpecialFolderPath =
(PSHGETSPECIALFOLDERPATHA)GetProcAddress(hShell32, "SHGetSpecialFolderPathA");
+ bool fSuccess = false;
if (pSHGetSpecialFolderPath)
+ fSuccess =
(*pSHGetSpecialFolderPath)(NULL, pszPath, nFolder, fCreate);
FreeModule(hShell32);
+ if (fSuccess)
+ return pszPath;
}
// Backup option
- if (pszPath[0] == '\0')
+ std::string strPath;
{
+ const char *pszEnv;
if (nFolder == CSIDL_STARTUP)
{
- strcpy(pszPath, getenv("USERPROFILE"));
- strcat(pszPath, "\\Start Menu\\Programs\\Startup");
+ pszEnv = getenv("USERPROFILE");
+ if (pszEnv)
+ strPath = pszEnv;
+ strPath += "\\Start Menu\\Programs\\Startup";
}
else if (nFolder == CSIDL_APPDATA)
{
- strcpy(pszPath, getenv("APPDATA"));
+ pszEnv = getenv("APPDATA");
+ if (pszEnv)
+ strPath = pszEnv;
}
}
- return pszPath;
+ return strPath;
}
#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());
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()
+#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));
+ mutex.lock();
+}
+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*, const char*, int)
+{
+ mutex.lock();
+}
+
+void CCriticalSection::Leave()
+{
+ mutex.unlock();
+}
+
+bool CCriticalSection::TryEnter(const char*, const char*, int)
+{
+ bool result = mutex.try_lock();
+ return result;
+}
+#endif /* DEBUG_LOCKORDER */