mirror of
https://github.com/jwinterm/xmr-stak.git
synced 2026-10-17 05:41:41 +02:00
113 lines
2.9 KiB
C++
113 lines
2.9 KiB
C++
#pragma once
|
|
|
|
#include "xmrstak/misc/environment.hpp"
|
|
#include "xmrstak/params.hpp"
|
|
|
|
#include <thread>
|
|
#include <atomic>
|
|
#include <vector>
|
|
#include <string>
|
|
#include "iBackend.hpp"
|
|
#include <iostream>
|
|
|
|
#ifndef USE_PRECOMPILED_HEADERS
|
|
# ifdef WIN32
|
|
# include <direct.h>
|
|
# include <windows.h>
|
|
# else
|
|
# include <sys/types.h>
|
|
# include <dlfcn.h>
|
|
# endif
|
|
# include <iostream>
|
|
#endif
|
|
|
|
namespace xmrstak
|
|
{
|
|
|
|
struct plugin
|
|
{
|
|
|
|
plugin(const std::string backendName, const std::string libName) : fn_starterBackend(nullptr), m_backendName(backendName)
|
|
{
|
|
#ifdef WIN32
|
|
libBackend = LoadLibrary(TEXT((libName + ".dll").c_str()));
|
|
if(!libBackend)
|
|
{
|
|
std::cerr << "WARNING: "<< m_backendName <<" cannot load backend library: " << (libName + ".dll") << std::endl;
|
|
return;
|
|
}
|
|
#else
|
|
// `.so` linux file extention for dynamic libraries
|
|
std::string fileExtension = ".so";
|
|
# if defined(__APPLE__)
|
|
// `.dylib` Mac OS X file extention for dynamic libraries
|
|
fileExtension = ".dylib";
|
|
# endif
|
|
// search library in working directory
|
|
libBackend = dlopen(("./lib" + libName + fileExtension).c_str(), RTLD_LAZY);
|
|
// fallback to binary directory
|
|
if(!libBackend)
|
|
libBackend = dlopen((params::inst().executablePrefix + "lib" + libName + fileExtension).c_str(), RTLD_LAZY);
|
|
// try use LD_LIBRARY_PATH
|
|
if(!libBackend)
|
|
libBackend = dlopen(("lib" + libName + fileExtension).c_str(), RTLD_LAZY);
|
|
if(!libBackend)
|
|
{
|
|
std::cerr << "WARNING: "<< m_backendName <<" cannot load backend library: " << dlerror() << std::endl;
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
#ifdef WIN32
|
|
fn_starterBackend = (starterBackend_t) GetProcAddress(libBackend, "xmrstak_start_backend");
|
|
if (!fn_starterBackend)
|
|
{
|
|
std::cerr << "WARNING: backend plugin " << libName << " contains no entry 'xmrstak_start_backend': " <<GetLastError()<< std::endl;
|
|
}
|
|
#else
|
|
// reset last error
|
|
dlerror();
|
|
fn_starterBackend = (starterBackend_t) dlsym(libBackend, "xmrstak_start_backend");
|
|
const char* dlsym_error = dlerror();
|
|
if(dlsym_error)
|
|
{
|
|
std::cerr << "WARNING: backend plugin " << libName << " contains no entry 'xmrstak_start_backend': " << dlsym_error << std::endl;
|
|
}
|
|
#endif
|
|
}
|
|
|
|
std::vector<iBackend*>* startBackend(uint32_t threadOffset, miner_work& pWork, environment& env)
|
|
{
|
|
if(fn_starterBackend == nullptr)
|
|
{
|
|
std::vector<iBackend*>* pvThreads = new std::vector<iBackend*>();
|
|
std::cerr << "WARNING: " << m_backendName << " Backend disabled"<< std::endl;
|
|
return pvThreads;
|
|
}
|
|
|
|
return fn_starterBackend(threadOffset, pWork, env);
|
|
}
|
|
|
|
std::string m_backendName;
|
|
|
|
typedef std::vector<iBackend*>* (*starterBackend_t)(uint32_t threadOffset, miner_work& pWork, environment& env);
|
|
|
|
starterBackend_t fn_starterBackend;
|
|
|
|
#ifdef WIN32
|
|
HINSTANCE libBackend;
|
|
#else
|
|
void *libBackend;
|
|
#endif
|
|
|
|
/* \todo add unload to destructor and change usage of plugin that libs keeped open until the miner endss
|
|
#ifdef WIN32
|
|
FreeLibrary(libBackend);
|
|
#else
|
|
dlclose(libBackend);
|
|
#endif
|
|
* */
|
|
};
|
|
|
|
} // namepsace xmrstak
|