/*
This file is part of libcapwap.
libcapwap 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.
libcapwap 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 Foobar. If not, see .
*/
#ifndef __CONN_H
#define __CONN_H
#include
#include
#include
#include
#include "fragman.h"
#include "cwmsg.h"
#include "cwrmsg.h"
struct conn{
int sock;
struct sockaddr_storage addr;
int recv_timeout;
FRAGMAN * fragman;
// void (* process_message)(void *,uint8_t *,uint8_t *, int);
// void (* process_message)(void *,struct cwrmsg *); //uint8_t *,uint8_t *, int);
// void * pmsgarg;
int fragid;
int seqnum;
int last_seqnum_received;
int last_message_id_received;
struct cwmsg * last_response;
struct cwmsg swm;
int last_response_seqnum;
int last_response_rid;
uint8_t buffer[65536];
int mtu;
/* receive and send methods */
int (*recv_packet)(struct conn *, uint8_t *,int);
int (*send_packet)(struct conn *, const uint8_t *, int);
int (*read)(struct conn *, uint8_t*, int);
int (*write)(struct conn *, const uint8_t*, int);
/* optional packet queue */
uint8_t ** q;
int qsize;
int qrpos;
int qwpos;
sem_t q_sem;
uint8_t * cur_packet;
int cur_packet_len;
int cur_packet_pos;
/* dtls stuff */
int (*dtls_start)(struct conn*);
int (*dtls_accept)(struct conn*);
char * dtls_psk;
int dtls_psk_len;
char * dtls_cert_file;
char * dtls_key_file;
char * dtls_key_pass;
void * dtls_data;
char * dtls_cipher;
int dtls_wait_timer;
int dtls_error;
uint8_t dtls_cookie[8];
int dtls_verify_peer;
/* used to link the conn obj with other objects */
void * data;
};
struct conn * conn_create(int sock, struct sockaddr * addr, int qsize);
struct conn * conn_create_noq(int sock, struct sockaddr * addr);
extern int conn_send_cwmsg(struct conn * conn, struct cwmsg * cwmsg);
extern void conn_process_packet(struct conn * conn, uint8_t *packet, int len,int(*cb)(void*,struct cwrmsg*),void *cbarg);
extern struct cwrmsg * conn_get_message(struct conn * conn);
extern int conn_send_packet(struct conn * conn,const uint8_t * buffer, int len);
extern void conn_destroy(struct conn * conn);
uint8_t * conn_q_get_packet(struct conn * conn);
extern int conn_q_recv_packet(struct conn * conn, uint8_t * buffer,int len);
extern int conn_recv_packet(struct conn* conn,uint8_t *buf,int len);
extern int conn_send_response(struct conn * conn,struct cwmsg * cwmsg,int seqnum);
extern struct cwrmsg * conn_get_response(struct conn * conn);
#define conn_get_next_seqnum(conn) (conn->seqnum=((conn->seqnum+1)&0xff))
#define conn_get_last_seqnum(conn) (conn->seqnum&0xff)
/* connlist stuff */
#include "avltree.h"
struct connlist {
/* struct conn ** connlist; */
struct avltree * t;
int len;
pthread_mutex_t connlist_mutex;
};
struct connlist * connlist_create(int len);
void connlist_lock(struct connlist * cl);
void connlist_unlock(struct connlist * cl);
void conlist_destroy(struct connlist * cl);
struct conn * connlist_get(struct connlist * cl, const struct sockaddr * addr);
struct conn * connlist_add(struct connlist * cl, struct conn * conn);
void connlist_remove(struct connlist *cl,struct conn * conn);
void connlist_destroy(struct connlist * cl);
#endif /* __CONLIST_H */