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/*
Copyright (c) 2006-2011 Gluster, Inc. <http://www.gluster.com>
This file is part of GlusterFS.
GlusterFS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
by the Free Software Foundation; either version 3 of the License,
or (at your option) any later version.
GlusterFS is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see
<http://www.gnu.org/licenses/>.
*/
#ifndef __TRANSPORT_H__
#define __TRANSPORT_H__
#ifndef _CONFIG_H
#define _CONFIG_H
#include "config.h"
#endif
#include <inttypes.h>
struct transport_ops;
typedef struct transport transport_t;
#include "xlator.h"
#include "dict.h"
#include "compat.h"
typedef struct peer_info {
struct sockaddr_storage sockaddr;
socklen_t sockaddr_len;
char identifier[UNIX_PATH_MAX];
}peer_info_t;
struct transport_msg {
struct list_head list;
char *hdr;
int hdrlen;
struct iobuf *iobuf;
};
struct transport {
struct transport_ops *ops;
void *private;
void *xl_private;
pthread_mutex_t lock;
int32_t refcount;
xlator_t *xl;
void *dnscache;
data_t *buf;
int32_t (*init) (transport_t *this);
void (*fini) (transport_t *this);
/* int (*notify) (transport_t *this, int event, void *data); */
peer_info_t peerinfo;
peer_info_t myinfo;
transport_t *peer_trans;
struct {
pthread_mutex_t mutex;
pthread_cond_t cond;
pthread_t thread;
struct list_head msgs;
struct transport_msg *msg;
} handover;
};
struct transport_ops {
int32_t (*receive) (transport_t *this, char **hdr_p, size_t *hdrlen_p,
struct iobuf **iobuf_p);
int32_t (*submit) (transport_t *this, char *buf, int len,
struct iovec *vector, int count,
struct iobref *iobref);
int32_t (*connect) (transport_t *this);
int32_t (*listen) (transport_t *this);
int32_t (*disconnect) (transport_t *this);
};
int32_t transport_listen (transport_t *this);
int32_t transport_connect (transport_t *this);
int32_t transport_disconnect (transport_t *this);
int32_t transport_notify (transport_t *this, int event);
int32_t transport_submit (transport_t *this, char *buf, int len,
struct iovec *vector, int count,
struct iobref *iobref);
int32_t transport_receive (transport_t *this, char **hdr_p, size_t *hdrlen_p,
struct iobuf **iobuf_p);
int32_t transport_destroy (transport_t *this);
transport_t *transport_load (dict_t *options, xlator_t *xl);
transport_t *transport_ref (transport_t *trans);
int32_t transport_unref (transport_t *trans);
int transport_setpeer (transport_t *trans, transport_t *trans_peer);
#endif /* __TRANSPORT_H__ */
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