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/*-
* Copyright 2019 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef RSPAMD_LIBEV_HELPER_H
#define RSPAMD_LIBEV_HELPER_H
#include "config.h"
#include "contrib/libev/ev.h"
#ifdef __cplusplus
extern "C" {
#endif
/*
* This module is a little helper to simplify libevent->libev transition
* It allows to create timed IO watchers utilising both
*/
typedef void (*rspamd_ev_cb)(int fd, short what, void *ud);
struct rspamd_io_ev {
ev_io io;
ev_timer tm;
rspamd_ev_cb cb;
void *ud;
ev_tstamp timeout;
};
/**
* Initialize watcher similar to event_init
* @param ev
* @param fd
* @param what
* @param cb
* @param ud
*/
void rspamd_ev_watcher_init(struct rspamd_io_ev *ev,
int fd, short what, rspamd_ev_cb cb, void *ud);
/**
* Start watcher with the specific timeout
* @param loop
* @param ev
* @param timeout
*/
void rspamd_ev_watcher_start(struct ev_loop *loop,
struct rspamd_io_ev *ev,
ev_tstamp timeout);
/**
* Stops watcher and clean it up
* @param loop
* @param ev
*/
void rspamd_ev_watcher_stop(struct ev_loop *loop,
struct rspamd_io_ev *ev);
/**
* Convenience function to reschedule watcher with different events
* @param loop
* @param ev
* @param what
*/
void rspamd_ev_watcher_reschedule(struct ev_loop *loop,
struct rspamd_io_ev *ev,
short what);
#ifdef __cplusplus
}
#endif
#endif
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