transmission/libtransmission/utils-ev.h

85 lines
1.7 KiB
C++

// This file Copyright © 2022 Mnemosyne LLC.
// It may be used under GPLv2 (SPDX: GPL-2.0-only), GPLv3 (SPDX: GPL-3.0-only),
// or any future license endorsed by Mnemosyne LLC.
// License text can be found in the licenses/ folder.
#ifndef __TRANSMISSION__
#error only libtransmission should #include this header.
#endif
#pragma once
#include <memory>
extern "C"
{
struct evbuffer;
struct event;
struct event_base;
struct evhttp;
void evbuffer_free(struct evbuffer*);
void event_base_free(struct event_base*);
int event_del(struct event*);
void event_free(struct event*);
void evhttp_free(struct evhttp*);
}
namespace libtransmission::evhelpers
{
struct BufferDeleter
{
void operator()(struct evbuffer* buf) const noexcept
{
if (buf != nullptr)
{
evbuffer_free(buf);
}
}
};
using evbuffer_unique_ptr = std::unique_ptr<struct evbuffer, BufferDeleter>;
struct EventBaseDeleter
{
void operator()(struct event_base* evbase) const noexcept
{
if (evbase != nullptr)
{
event_base_free(evbase);
}
}
};
using evbase_unique_ptr = std::unique_ptr<struct event_base, EventBaseDeleter>;
struct EventDeleter
{
void operator()(struct event* event) const
{
if (event != nullptr)
{
event_del(event);
event_free(event);
}
}
};
using event_unique_ptr = std::unique_ptr<struct event, EventDeleter>;
struct EvhttpDeleter
{
void operator()(struct evhttp* evh) const noexcept
{
if (evh != nullptr)
{
evhttp_free(evh);
}
}
};
using evhttp_unique_ptr = std::unique_ptr<struct evhttp, EvhttpDeleter>;
} // namespace libtransmission::evhelpers