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/*
* Copyright (C) 2012-2014 Mamadou DIOP
* Copyright (C) 2012-2014 Doubango Telecom <http://www.doubango.org>.
*
* This file is part of Open Source Doubango Framework.
*
* DOUBANGO 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.
*
* DOUBANGO 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 DOUBANGO.
*
*/
#ifndef TNET_ICE_CANDIDATE_H
#define TNET_ICE_CANDIDATE_H
#include "tinynet_config.h"
#include "stun/tnet_stun_pkt.h"
#include "stun/tnet_stun_attr.h"
#include "stun/tnet_stun_utils.h"
#include "tnet_socket.h"
#include "tsk_params.h"
TNET_BEGIN_DECLS
#define TNET_ICE_CANDIDATE_TRANSPORT_UDP "udp"
#define TNET_ICE_CANDIDATE_TRANSPORT_TCP "tcp"
#define TNET_ICE_CANDIDATE_TRANSPORT_TLS "tls"
#define TNET_ICE_CANDIDATE_TRANSPORT_SCTP "sctp"
#define TNET_ICE_CANDIDATE_TRANSPORT_WS "ws"
#define TNET_ICE_CANDIDATE_TRANSPORT_WSS "wss"
#define TNET_ICE_CANDIDATE_TYPE_HOST "host"
#define TNET_ICE_CANDIDATE_TYPE_SRFLX "srflx"
#define TNET_ICE_CANDIDATE_TYPE_PRFLX "prflx"
#define TNET_ICE_CANDIDATE_TYPE_RELAY "relay"
#define TNET_ICE_CANDIDATE_PREF_HOST 126
#define TNET_ICE_CANDIDATE_PREF_SRFLX 100
#define TNET_ICE_CANDIDATE_PREF_PRFLX 110
#define TNET_ICE_CANDIDATE_PREF_RELAY 0
#define TNET_ICE_CANDIDATE_FOUNDATION_HOST "fhost"
#define TNET_ICE_CANDIDATE_FOUNDATION_SRFLX "fsrflx"
#define TNET_ICE_CANDIDATE_FOUNDATION_PRFLX "fprflx"
#define TNET_ICE_CANDIDATE_FOUNDATION_RELAY "frelay"
#define TNET_ICE_CANDIDATE_COMPID_RTP 1
#define TNET_ICE_CANDIDATE_COMPID_RTCP 2
#define TNET_ICE_CANDIDATE_FOUND_SIZE_PREF 15
typedef enum tnet_ice_cand_type_e {
tnet_ice_cand_type_unknown,
tnet_ice_cand_type_host,
tnet_ice_cand_type_srflx,
tnet_ice_cand_type_prflx,
tnet_ice_cand_type_relay
}
tnet_ice_cand_type_t;
typedef struct tnet_ice_candidate_s {
TSK_DECLARE_OBJECT;
tnet_ice_cand_type_t type_e;
uint8_t foundation[33]; // 1*32ice-char
uint32_t comp_id; // 1*5DIGIT
char* transport_str; // "UP" / token
enum tnet_socket_type_e transport_e;
uint32_t priority; // 1*10DIGIST [1 - (2**31 - 1)]
char* cand_type_str; // "host" / "srflx" / "prflx" / "relay" / "token"
tnet_ip_t connection_addr;
tnet_port_t port;
tsk_params_L_t *extension_att_list;
tsk_bool_t is_ice_jingle;
tsk_bool_t is_rtp;
tsk_bool_t is_video;
uint16_t local_pref; // [0 - 65535]
char* ufrag;
char* pwd;
struct tnet_socket_s* socket;
struct {
char* nonce;
char* realm;
char* srflx_addr;
tnet_stun_transac_id_t transac_id;
tnet_port_t srflx_port;
} stun;
struct {
struct tnet_turn_session_s* ss;
char* relay_addr;
tnet_port_t relay_port;
} turn;
char *tostring;
}
tnet_ice_candidate_t;
typedef tsk_list_t tnet_ice_candidates_L_t;
tnet_ice_candidate_t* tnet_ice_candidate_create(tnet_ice_cand_type_t type_e, struct tnet_socket_s* socket, tsk_bool_t is_ice_jingle, tsk_bool_t is_rtp, tsk_bool_t is_video, const char* ufrag, const char* pwd, const char *foundation);
TINYNET_API tnet_ice_candidate_t* tnet_ice_candidate_parse(const char* str);
int tnet_ice_candidate_set_credential(tnet_ice_candidate_t* self, const char* ufrag, const char* pwd);
int tnet_ice_candidate_set_rflx_addr(tnet_ice_candidate_t* self, const char* addr, tnet_port_t port);
TINYNET_API const char* tnet_ice_candidate_get_att_value(const tnet_ice_candidate_t* self, const char* att_name);
int tnet_ice_candidate_set_local_pref(tnet_ice_candidate_t* self, uint16_t local_pref);
TINYNET_API const char* tnet_ice_candidate_tostring(tnet_ice_candidate_t* self);
int tnet_ice_candidate_send_stun_bind_request(tnet_ice_candidate_t* self, const struct sockaddr_storage* server_addr, const char* username, const char* password);
int tnet_ice_candidate_process_stun_response(tnet_ice_candidate_t* self, const tnet_stun_pkt_resp_t* response, tnet_fd_t fd);
const tnet_ice_candidate_t* tnet_ice_candidate_find_by_fd(tnet_ice_candidates_L_t* candidates, tnet_fd_t fd);
const char* tnet_ice_candidate_get_ufrag(const tnet_ice_candidate_t* self);
const char* tnet_ice_candidate_get_pwd(const tnet_ice_candidate_t* self);
TNET_END_DECLS
#endif /* TNET_ICE_CANDIDATE_H */
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