You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
56 lines
1.7 KiB
56 lines
1.7 KiB
// Copyright (c) 2016 The Bitcoin Core developers |
|
// Distributed under the MIT software license, see the accompanying |
|
// file COPYING or http://www.opensource.org/licenses/mit-license.php. |
|
|
|
#ifndef BITCOIN_SUPPORT_EVENTS_H |
|
#define BITCOIN_SUPPORT_EVENTS_H |
|
|
|
#include <ios> |
|
#include <memory> |
|
|
|
#include <event2/event.h> |
|
#include <event2/http.h> |
|
|
|
#define MAKE_RAII(type) \ |
|
/* deleter */\ |
|
struct type##_deleter {\ |
|
void operator()(struct type* ob) {\ |
|
type##_free(ob);\ |
|
}\ |
|
};\ |
|
/* unique ptr typedef */\ |
|
typedef std::unique_ptr<struct type, type##_deleter> raii_##type |
|
|
|
MAKE_RAII(event_base); |
|
MAKE_RAII(event); |
|
MAKE_RAII(evhttp); |
|
MAKE_RAII(evhttp_request); |
|
MAKE_RAII(evhttp_connection); |
|
|
|
inline raii_event_base obtain_event_base() { |
|
auto result = raii_event_base(event_base_new()); |
|
if (!result.get()) |
|
throw std::runtime_error("cannot create event_base"); |
|
return result; |
|
} |
|
|
|
inline raii_event obtain_event(struct event_base* base, evutil_socket_t s, short events, event_callback_fn cb, void* arg) { |
|
return raii_event(event_new(base, s, events, cb, arg)); |
|
} |
|
|
|
inline raii_evhttp obtain_evhttp(struct event_base* base) { |
|
return raii_evhttp(evhttp_new(base)); |
|
} |
|
|
|
inline raii_evhttp_request obtain_evhttp_request(void(*cb)(struct evhttp_request *, void *), void *arg) { |
|
return raii_evhttp_request(evhttp_request_new(cb, arg)); |
|
} |
|
|
|
inline raii_evhttp_connection obtain_evhttp_connection_base(struct event_base* base, std::string host, uint16_t port) { |
|
auto result = raii_evhttp_connection(evhttp_connection_base_new(base, NULL, host.c_str(), port)); |
|
if (!result.get()) |
|
throw std::runtime_error("create connection failed"); |
|
return result; |
|
} |
|
|
|
#endif // BITCOIN_SUPPORT_EVENTS_H
|
|
|