// Copyright (c) 2009-2010 Satoshi Nakamoto
+// Copyright (c) 2011 The Bitcoin developers
+// Copyright (c) 2012 The PPCoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
#ifndef BITCOIN_SERIALIZE_H
#if defined(_MSC_VER) && _MSC_VER < 1300
#define for if (false) ; else for
#endif
+
+#ifdef WIN32
+#include <windows.h>
+// This is used to attempt to keep keying material out of swap
+// Note that VirtualLock does not provide this as a guarantee on Windows,
+// but, in practice, memory that has been VirtualLock'd almost never gets written to
+// the pagefile except in rare circumstances where memory is extremely low.
+#include <windows.h>
+#define mlock(p, n) VirtualLock((p), (n));
+#define munlock(p, n) VirtualUnlock((p), (n));
+#else
+#include <sys/mman.h>
+#include <limits.h>
+/* This comes from limits.h if it's not defined there set a sane default */
+#ifndef PAGESIZE
+#include <unistd.h>
+#define PAGESIZE sysconf(_SC_PAGESIZE)
+#endif
+#define mlock(a,b) \
+ mlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
+ (((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
+#define munlock(a,b) \
+ munlock(((void *)(((size_t)(a)) & (~((PAGESIZE)-1)))),\
+ (((((size_t)(a)) + (b) - 1) | ((PAGESIZE) - 1)) + 1) - (((size_t)(a)) & (~((PAGESIZE) - 1))))
+#endif
+
class CScript;
class CDataStream;
class CAutoFile;
static const unsigned int MAX_SIZE = 0x02000000;
-static const int VERSION = 32300;
+static const int VERSION = 50100;
static const char* pszSubVer = "";
static const bool VERSION_IS_BETA = true;
+static const int PPCOIN_VERSION = 100;
-
-
-
+// Used to bypass the rule against non-const reference to temporary
+// where it makes sense with wrappers such as CFlatData or CTxDB
+template<typename T>
+inline T& REF(const T& val)
+{
+ return const_cast<T&>(val);
+}
/////////////////////////////////////////////////////////////////
//
-
-
+#ifndef THROW_WITH_STACKTRACE
+#define THROW_WITH_STACKTRACE(exception) \
+{ \
+ LogStackTrace(); \
+ throw (exception); \
+}
+void LogStackTrace();
+#endif
//
// Compact size
nSizeRet = xSize;
}
if (nSizeRet > (uint64)MAX_SIZE)
- throw std::ios_base::failure("ReadCompactSize() : size too large");
+ THROW_WITH_STACKTRACE(std::ios_base::failure("ReadCompactSize() : size too large"));
return nSizeRet;
}
void Unserialize(Stream& s, int, int=0)
{
if (pstr == NULL)
- throw std::ios_base::failure("CFixedFieldString::Unserialize : trying to unserialize to const string");
+ THROW_WITH_STACKTRACE(std::ios_base::failure("CFixedFieldString::Unserialize : trying to unserialize to const string"));
char pszBuf[LEN+1];
s.read(pszBuf, LEN);
pszBuf[LEN] = '\0';
//
-// Allocator that clears its contents before deletion
+// Allocator that locks its contents from being paged
+// out of memory and clears its contents before deletion.
//
template<typename T>
struct secure_allocator : public std::allocator<T>
template<typename _Other> struct rebind
{ typedef secure_allocator<_Other> other; };
+ T* allocate(std::size_t n, const void *hint = 0)
+ {
+ T *p;
+ p = std::allocator<T>::allocate(n, hint);
+ if (p != NULL)
+ mlock(p, sizeof(T) * n);
+ return p;
+ }
+
void deallocate(T* p, std::size_t n)
{
if (p != NULL)
+ {
memset(p, 0, sizeof(T) * n);
+ munlock(p, sizeof(T) * n);
+ }
std::allocator<T>::deallocate(p, n);
}
};
{
state |= bits;
if (state & exceptmask)
- throw std::ios_base::failure(psz);
+ THROW_WITH_STACKTRACE(std::ios_base::failure(psz));
}
bool eof() const { return size() == 0; }
{
state |= bits;
if (state & exceptmask)
- throw std::ios_base::failure(psz);
+ THROW_WITH_STACKTRACE(std::ios_base::failure(psz));
}
bool fail() const { return state & (std::ios::badbit | std::ios::failbit); }