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#ifndef ZEROCONF_UTIL_HPP
#define ZEROCONF_UTIL_HPP
//////////////////////////////////////////////////////////////////////////
// zeroconf-util.hpp
// (C) Copyright 2016 Yuri Yakovlev <yvzmail@gmail.com>
// Use, modification and distribution is subject to the GNU General Public License
#include <string>
#include <istream>
#include <streambuf>
#if _MSC_VER == 1700
#define thread_local __declspec(thread)
#endif
namespace Zeroconf
{
namespace Detail
{
namespace stdext
{
class membuf : public std::streambuf
{
public:
membuf(const unsigned char* base, int size)
{
auto p = reinterpret_cast<char*>(const_cast<unsigned char*>(base));
setg(p, p, p + size);
}
protected:
virtual pos_type seekoff(off_type offset, std::ios_base::seekdir, std::ios_base::openmode mode) override
{
if (offset == 0 && mode == std::ios_base::in)
return pos_type(gptr() - eback());
return pos_type(-1);
}
};
}
namespace Log
{
enum class LogLevel { Error, Warning };
typedef void(*LogCallback)(LogLevel, const std::string&);
static thread_local LogCallback g_logcb = nullptr;
inline void Error(const std::string& message)
{
if (g_logcb != nullptr)
g_logcb(LogLevel::Error, message);
}
inline void Warning(const std::string& message)
{
if (g_logcb != nullptr)
g_logcb(LogLevel::Warning, message);
}
inline void SetLogCallback(LogCallback logcb)
{
g_logcb = logcb;
}
}
}
}
#endif // ZEROCONF_UTIL_HPP
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