Files
thehub/hub/server/serverutil.cpp
tomFlowee 008eb35f95 Make compile faster
The IDE include checker got to the point where it is actually useful and
this removes a lot of unneeded includes.
Naturally, especially for headers like util.h, this may mean we need to
re-add includes in consuming cpp files that bloats the diff a bit.
2026-05-14 13:27:17 +02:00

125 lines
4.4 KiB
C++

/*
* This file is part of the Flowee project
* Copyright (C) 2009-2010 Satoshi Nakamoto
* Copyright (C) 2009-2015 The Bitcoin Core developers
* Copyright (C) 2017-2018 Tom Zander <tom@flowee.org>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "serverutil.h"
#include "random.h"
#include "sync.h"
#include "crypto/sha256.h"
#include <openssl/crypto.h>
#include <openssl/rand.h>
#include <openssl/conf.h>
bool fDaemon = false;
bool fServer = false;
std::string strMiscWarning;
bool fLogIPs = DEFAULT_LOGIPS;
/** Init OpenSSL library multithreading support */
static CCriticalSection** ppmutexOpenSSL;
void locking_callback(int mode, int i, const char* file, int line) NO_THREAD_SAFETY_ANALYSIS
{
if (mode & CRYPTO_LOCK) {
ENTER_CRITICAL_SECTION(*ppmutexOpenSSL[i])
} else {
LEAVE_CRITICAL_SECTION(*ppmutexOpenSSL[i])
}
}
// Init
class CInit
{
public:
CInit()
{
// Init OpenSSL library multithreading support
ppmutexOpenSSL = (CCriticalSection**)OPENSSL_malloc(CRYPTO_num_locks() * sizeof(CCriticalSection*));
for (int i = 0; i < CRYPTO_num_locks(); i++)
ppmutexOpenSSL[i] = new CCriticalSection();
CRYPTO_set_locking_callback(locking_callback);
// OpenSSL can optionally load a config file which lists optional loadable modules and engines.
// We don't use them so we don't require the config. However some of our libs may call functions
// which attempt to load the config file, possibly resulting in an exit() or crash if it is missing
// or corrupt. Explicitly tell OpenSSL not to try to load the file. The result for our libs will be
// that the config appears to have been loaded and there are no modules/engines available.
OPENSSL_no_config();
#ifdef WIN32
// Seed OpenSSL PRNG with current contents of the screen
RAND_screen();
#endif
// Seed OpenSSL PRNG with performance counter
RandAddSeed();
}
~CInit()
{
// Securely erase the memory used by the PRNG
RAND_cleanup();
// 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 SetupEnvironment()
{
// On most POSIX systems (e.g. Linux, but not BSD) the environment's locale
// may be invalid, in which case the "C" locale is used as fallback.
#if !defined(WIN32) && !defined(MAC_OSX) && !defined(__FreeBSD__) && !defined(__OpenBSD__)
try {
std::locale(""); // Raises a runtime error if current locale is invalid
} catch (const std::runtime_error&) {
setenv("LC_ALL", "C", 1);
}
#endif
// Choose the most efficient SHA256 compatible with the system
logInfo(Log::Bitcoin) << "Chosen SHA256 implementation:" << SHA256AutoDetect();
// The path locale is lazy initialized and to avoid deinitialization errors
// in multithreading environments, it is set explicitly by the main thread.
// A dummy locale is used to extract the internal default locale, used by
// boost::filesystem::path, which is then used to explicitly imbue the path.
std::locale loc = boost::filesystem::path::imbue(std::locale::classic());
boost::filesystem::path::imbue(loc);
}
bool SetupNetworking()
{
#ifdef WIN32
// Initialize Windows Sockets
WSADATA wsadata;
int ret = WSAStartup(MAKEWORD(2,2), &wsadata);
if (ret != NO_ERROR || LOBYTE(wsadata.wVersion ) != 2 || HIBYTE(wsadata.wVersion) != 2)
return false;
#endif
return true;
}
void runCommand(const std::string& strCommand)
{
int nErr = ::system(strCommand.c_str());
if (nErr)
LogPrintf("runCommand error: system(%s) returned %d\n", strCommand, nErr);
}