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/*
* Copyright (C) 2011 Jiaju Zhang <jjzhang@suse.de>
* Copyright (C) 2013 Philipp Marek <philipp.marek@linbit.com>
*
* This program 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 2 of the License, or (at your option) any later version.
*
* This software 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef _TRANSPORT_H
#define _TRANSPORT_H
#include "b_config.h"
#include "booth.h"
typedef enum {
TCP = 1,
UDP,
SCTP,
TRANSPORT_ENTRIES,
} transport_layer_t;
typedef enum {
ARBITRATOR = 0x50,
SITE,
CLIENT,
DAEMON,
STATUS,
GEOSTORE,
} action_t;
/* when allocating space for messages
*/
#define MAX_MSG_LEN 1024
struct booth_transport {
const char *name;
int (*init) (void *);
int (*open) (struct booth_site *);
int (*send) (struct booth_site *, void *, int);
int (*send_auth) (struct booth_site *, void *, int);
int (*recv) (struct booth_site *, void *, int);
int (*recv_auth) (struct booth_site *, void *, int);
int (*broadcast) (void *, int);
int (*broadcast_auth) (void *, int);
int (*close) (struct booth_site *);
int (*exit) (void);
};
extern const struct booth_transport booth_transport[TRANSPORT_ENTRIES];
int find_myself(struct booth_site **me, int fuzzy_allowed);
int read_client(struct client *req_cl);
int check_boothc_header(struct boothc_header *data, int len_incl_data);
int setup_tcp_listener(int test_only);
int booth_udp_send(struct booth_site *to, void *buf, int len);
int booth_udp_send_auth(struct booth_site *to, void *buf, int len);
int booth_tcp_open(struct booth_site *to);
int booth_tcp_send(struct booth_site *to, void *buf, int len);
int message_recv(void *msg, int msglen);
inline static void * node_to_addr_pointer(struct booth_site *node) {
switch (node->family) {
case AF_INET: return &node->sa4.sin_addr;
case AF_INET6: return &node->sa6.sin6_addr;
}
return NULL;
}
int send_data(int fd, void *data, int datalen);
int send_header_plus(int fd, struct boothc_hdr_msg *hdr, void *data, int len);
#define send_client_msg(fd, msg) send_data(fd, msg, sendmsglen(msg))
int add_hmac(void *data, int len);
int check_auth(struct booth_site *from, void *buf, int len);
#endif /* _TRANSPORT_H */

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