serval-dna/mdp_client.h
Andrew Bettison 221fc4a4fc mdp_port_t
2013-10-09 19:22:51 +10:30

90 lines
2.5 KiB
C

/*
Copyright (C) 2012 Serval Project.
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 program 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 __SERVALD_MDP_CLIENT_H
#define __SERVALD_MDP_CLIENT_H
#include "serval.h"
// define 3rd party mdp API without any structure padding
#pragma pack(push, 1)
struct mdp_sockaddr {
sid_t sid;
mdp_port_t port;
};
#define MDP_FLAG_NO_CRYPT (1<<0)
#define MDP_FLAG_NO_SIGN (1<<1)
#define MDP_FLAG_BIND_ALL (1<<2)
#define MDP_FLAG_OK (1<<3)
#define MDP_FLAG_ERROR (1<<4)
struct mdp_header {
struct mdp_sockaddr local;
struct mdp_sockaddr remote;
uint8_t flags;
uint8_t qos;
uint8_t ttl;
};
#define TYPE_SID 1
#define TYPE_PIN 2
#define ACTION_LOCK 1
#define ACTION_UNLOCK 2
struct mdp_identity_request{
uint8_t action;
uint8_t type;
// followed by a list of SID's or NULL terminated entry pins for the remainder of the payload
};
#define MDP_IDENTITY 1
#pragma pack(pop)
struct overlay_route_record{
sid_t sid;
char interface_name[256];
int reachable;
sid_t neighbour;
};
struct overlay_mdp_scan{
struct in_addr addr;
};
/* V2 interface */
int mdp_socket(void);
int mdp_close(int socket);
int mdp_send(int socket, const struct mdp_header *header, const unsigned char *payload, ssize_t len);
ssize_t mdp_recv(int socket, struct mdp_header *header, unsigned char *payload, ssize_t max_len);
int mdp_poll(int socket, time_ms_t timeout_ms);
/* Client-side MDP function */
int overlay_mdp_client_socket(void);
int overlay_mdp_client_close(int mdp_sockfd);
int overlay_mdp_client_poll(int mdp_sockfd, time_ms_t timeout_ms);
int overlay_mdp_getmyaddr(int mpd_sockfd, unsigned index, sid_t *sid);
int overlay_mdp_bind(int mdp_sockfd, const sid_t *localaddr, mdp_port_t port) ;
int overlay_mdp_recv(int mdp_sockfd, overlay_mdp_frame *mdp, mdp_port_t port, int *ttl);
int overlay_mdp_send(int mdp_sockfd, overlay_mdp_frame *mdp, int flags, int timeout_ms);
ssize_t overlay_mdp_relevant_bytes(overlay_mdp_frame *mdp);
#endif