![karljohan-alm@garage.co.jp](/assets/img/avatar_default.png)
committed by
Jack Grigg
![Jack Grigg](/assets/img/avatar_default.png)
2 changed files with 56 additions and 0 deletions
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// Copyright (c) 2016 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_SUPPORT_EVENTS_H |
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#define BITCOIN_SUPPORT_EVENTS_H |
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#include <ios> |
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#include <event2/event.h> |
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#include <event2/http.h> |
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#define MAKE_RAII(type) \ |
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/* deleter */\ |
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struct type##_deleter {\ |
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void operator()(struct type* ob) {\ |
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type##_free(ob);\ |
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}\ |
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};\ |
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/* unique ptr typedef */\ |
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typedef std::unique_ptr<struct type, type##_deleter> raii_##type |
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MAKE_RAII(event_base); |
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MAKE_RAII(event); |
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MAKE_RAII(evhttp); |
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MAKE_RAII(evhttp_request); |
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MAKE_RAII(evhttp_connection); |
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raii_event_base obtain_event_base() { |
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auto result = raii_event_base(event_base_new()); |
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if (!result.get()) |
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throw std::runtime_error("cannot create event_base"); |
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return result; |
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} |
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raii_event obtain_event(struct event_base* base, evutil_socket_t s, short events, event_callback_fn cb, void* arg) { |
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return raii_event(event_new(base, s, events, cb, arg)); |
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} |
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raii_evhttp obtain_evhttp(struct event_base* base) { |
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return raii_evhttp(evhttp_new(base)); |
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} |
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raii_evhttp_request obtain_evhttp_request(void(*cb)(struct evhttp_request *, void *), void *arg) { |
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return raii_evhttp_request(evhttp_request_new(cb, arg)); |
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} |
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raii_evhttp_connection obtain_evhttp_connection_base(struct event_base* base, std::string host, uint16_t port) { |
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auto result = raii_evhttp_connection(evhttp_connection_base_new(base, NULL, host.c_str(), port)); |
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if (!result.get()) |
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throw std::runtime_error("create connection failed"); |
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return result; |
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} |
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#endif // BITCOIN_SUPPORT_EVENTS_H
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