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/*-
* Copyright 2016 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 PROXY_H_
#define PROXY_H_
#include "config.h"
#include "buffer.h"
#include <event.h>
/**
* @file proxy.h
* Direct asynchronous proxy implementation
*/
typedef struct rspamd_proxy_s {
struct event client_ev; /**< event for client's communication */
struct event backend_ev; /**< event for backend communication */
struct event_base *base; /**< base for event operations */
rspamd_mempool_t *pool; /**< memory pool */
dispatcher_err_callback_t err_cb; /**< error callback */
struct event_base *ev_base; /**< event base */
gint cfd; /**< client's socket */
gint bfd; /**< backend's socket */
guint8 *buf; /**< exchange buffer */
gsize bufsize; /**< buffer size */
gint read_len; /**< read length */
gint buf_offset; /**< offset to write */
gpointer user_data; /**< user's data for callbacks */
struct timeval *tv; /**< timeout for communications */
gboolean closed; /**< whether descriptors are closed */
} rspamd_proxy_t;
/**
* Create new proxy between cfd and bfd
* @param cfd client's socket
* @param bfd backend's socket
* @param bufsize size of exchange buffer
* @param err_cb callback for erorrs or completing
* @param ud user data for callback
* @return new proxy object
*/
rspamd_proxy_t * rspamd_create_proxy (gint cfd,
gint bfd,
rspamd_mempool_t *pool,
struct event_base *base,
gsize bufsize,
struct timeval *tv,
dispatcher_err_callback_t err_cb,
gpointer ud);
void rspamd_proxy_close (rspamd_proxy_t *proxy);
#endif /* PROXY_H_ */
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