5 #ifndef BITCOIN_SUPPORT_EVENTS_H
6 #define BITCOIN_SUPPORT_EVENTS_H
11 #include <event2/event.h>
12 #include <event2/http.h>
14 #define MAKE_RAII(type) \
16 struct type##_deleter { \
17 void operator()(struct type *ob) { type##_free(ob); } \
20 typedef std::unique_ptr<struct type, type##_deleter> raii_##type
29 auto result = raii_event_base(event_base_new());
31 throw std::runtime_error(
"cannot create event_base");
36 inline raii_event
obtain_event(
struct event_base *base, evutil_socket_t s,
37 short events, event_callback_fn cb,
void *arg) {
38 return raii_event(event_new(base, s, events, cb, arg));
42 return raii_evhttp(evhttp_new(base));
45 inline raii_evhttp_request
47 return raii_evhttp_request(evhttp_request_new(cb, arg));
50 inline raii_evhttp_connection
53 auto result = raii_evhttp_connection(
54 evhttp_connection_base_new(base,
nullptr, host.c_str(), port));
56 throw std::runtime_error(
"create connection failed");
raii_evhttp obtain_evhttp(struct event_base *base)
raii_evhttp_request obtain_evhttp_request(void(*cb)(struct evhttp_request *, void *), void *arg)
raii_evhttp_connection obtain_evhttp_connection_base(struct event_base *base, std::string host, uint16_t port)
raii_event obtain_event(struct event_base *base, evutil_socket_t s, short events, event_callback_fn cb, void *arg)
raii_event_base obtain_event_base()