1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/media/mtransport/third_party/nICEr/src/ice/ice_ctx.h Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,186 @@
1.4 +/*
1.5 +Copyright (c) 2007, Adobe Systems, Incorporated
1.6 +All rights reserved.
1.7 +
1.8 +Redistribution and use in source and binary forms, with or without
1.9 +modification, are permitted provided that the following conditions are
1.10 +met:
1.11 +
1.12 +* Redistributions of source code must retain the above copyright
1.13 + notice, this list of conditions and the following disclaimer.
1.14 +
1.15 +* Redistributions in binary form must reproduce the above copyright
1.16 + notice, this list of conditions and the following disclaimer in the
1.17 + documentation and/or other materials provided with the distribution.
1.18 +
1.19 +* Neither the name of Adobe Systems, Network Resonance nor the names of its
1.20 + contributors may be used to endorse or promote products derived from
1.21 + this software without specific prior written permission.
1.22 +
1.23 +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
1.24 +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
1.25 +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
1.26 +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
1.27 +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.28 +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.29 +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
1.30 +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
1.31 +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
1.32 +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
1.33 +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
1.34 +*/
1.35 +
1.36 +
1.37 +
1.38 +#ifndef _ice_ctx_h
1.39 +#define _ice_ctx_h
1.40 +#ifdef __cplusplus
1.41 +using namespace std;
1.42 +extern "C" {
1.43 +#endif /* __cplusplus */
1.44 +
1.45 +/* Not good practice but making includes simpler */
1.46 +#include "transport_addr.h"
1.47 +#include "nr_socket.h"
1.48 +#include "nr_resolver.h"
1.49 +#include "nr_interface_prioritizer.h"
1.50 +#include "stun_client_ctx.h"
1.51 +#include "stun_server_ctx.h"
1.52 +#include "turn_client_ctx.h"
1.53 +
1.54 +#define NR_ICE_STUN_SERVER_TYPE_ADDR 1
1.55 +#define NR_ICE_STUN_SERVER_TYPE_DNSNAME 2
1.56 +
1.57 +typedef struct nr_ice_stun_server_ {
1.58 + int type;
1.59 + union {
1.60 + nr_transport_addr addr;
1.61 + struct {
1.62 + char host[256]; /* Limit from RFC 1034, plus a 0 byte */
1.63 + UINT2 port;
1.64 + } dnsname;
1.65 + } u;
1.66 + int index;
1.67 +} nr_ice_stun_server;
1.68 +
1.69 +typedef struct nr_ice_turn_server_ {
1.70 + nr_ice_stun_server turn_server;
1.71 + int transport;
1.72 + char *username;
1.73 + Data *password;
1.74 +} nr_ice_turn_server;
1.75 +
1.76 +typedef struct nr_ice_foundation_ {
1.77 + int index;
1.78 +
1.79 + nr_transport_addr addr;
1.80 + int type;
1.81 + nr_ice_stun_server *stun_server;
1.82 +
1.83 + STAILQ_ENTRY(nr_ice_foundation_) entry;
1.84 +} nr_ice_foundation;
1.85 +
1.86 +typedef STAILQ_HEAD(nr_ice_foundation_head_,nr_ice_foundation_) nr_ice_foundation_head;
1.87 +
1.88 +typedef TAILQ_HEAD(nr_ice_candidate_head_,nr_ice_candidate_) nr_ice_candidate_head;
1.89 +typedef TAILQ_HEAD(nr_ice_cand_pair_head_,nr_ice_cand_pair_) nr_ice_cand_pair_head;
1.90 +typedef struct nr_ice_component_ nr_ice_component;
1.91 +typedef struct nr_ice_media_stream_ nr_ice_media_stream;
1.92 +typedef struct nr_ice_ctx_ nr_ice_ctx;
1.93 +typedef struct nr_ice_peer_ctx_ nr_ice_peer_ctx;
1.94 +typedef struct nr_ice_candidate_ nr_ice_candidate;
1.95 +typedef struct nr_ice_cand_pair_ nr_ice_cand_pair;
1.96 +typedef void (*nr_ice_trickle_candidate_cb) (void *cb_arg,
1.97 + nr_ice_ctx *ctx, nr_ice_media_stream *stream, int component_id,
1.98 + nr_ice_candidate *candidate);
1.99 +
1.100 +#include "ice_socket.h"
1.101 +#include "ice_component.h"
1.102 +#include "ice_media_stream.h"
1.103 +#include "ice_candidate.h"
1.104 +#include "ice_candidate_pair.h"
1.105 +#include "ice_handler.h"
1.106 +#include "ice_peer_ctx.h"
1.107 +
1.108 +typedef struct nr_ice_stun_id_ {
1.109 + UCHAR id[12];
1.110 +
1.111 + STAILQ_ENTRY(nr_ice_stun_id_) entry;
1.112 +} nr_ice_stun_id;
1.113 +
1.114 +typedef STAILQ_HEAD(nr_ice_stun_id_head_,nr_ice_stun_id_) nr_ice_stun_id_head;
1.115 +
1.116 +struct nr_ice_ctx_ {
1.117 + UINT4 flags;
1.118 + int state;
1.119 +#define NR_ICE_STATE_CREATED 1
1.120 +#define NR_ICE_STATE_INITIALIZING 2
1.121 +#define NR_ICE_STATE_INITIALIZED 3
1.122 + char *label;
1.123 +
1.124 + char *ufrag;
1.125 + char *pwd;
1.126 +
1.127 + UINT4 Ta;
1.128 +
1.129 + nr_ice_stun_server *stun_servers; /* The list of stun servers */
1.130 + int stun_server_ct;
1.131 + nr_ice_turn_server *turn_servers; /* The list of turn servers */
1.132 + int turn_server_ct;
1.133 + nr_local_addr *local_addrs; /* The list of available local addresses and corresponding interface information */
1.134 + int local_addr_ct;
1.135 +
1.136 + nr_resolver *resolver; /* The resolver to use */
1.137 + nr_interface_prioritizer *interface_prioritizer; /* Priority decision logic */
1.138 +
1.139 + nr_ice_foundation_head foundations;
1.140 +
1.141 + nr_ice_media_stream_head streams; /* Media streams */
1.142 + int stream_ct;
1.143 + nr_ice_socket_head sockets; /* The sockets we're using */
1.144 + int uninitialized_candidates;
1.145 +
1.146 + UINT4 gather_rto;
1.147 + UINT4 stun_delay;
1.148 +
1.149 + nr_ice_peer_ctx_head peers;
1.150 + nr_ice_stun_id_head ids;
1.151 +
1.152 + NR_async_cb done_cb;
1.153 + void *cb_arg;
1.154 +
1.155 + nr_ice_trickle_candidate_cb trickle_cb;
1.156 + void *trickle_cb_arg;
1.157 +};
1.158 +
1.159 +int nr_ice_ctx_create(char *label, UINT4 flags, nr_ice_ctx **ctxp);
1.160 +#define NR_ICE_CTX_FLAGS_OFFERER 1
1.161 +#define NR_ICE_CTX_FLAGS_ANSWERER (1<<1)
1.162 +#define NR_ICE_CTX_FLAGS_AGGRESSIVE_NOMINATION (1<<2)
1.163 +#define NR_ICE_CTX_FLAGS_LITE (1<<3)
1.164 +
1.165 +int nr_ice_ctx_destroy(nr_ice_ctx **ctxp);
1.166 +int nr_ice_initialize(nr_ice_ctx *ctx, NR_async_cb done_cb, void *cb_arg);
1.167 +int nr_ice_add_candidate(nr_ice_ctx *ctx, nr_ice_candidate *cand);
1.168 +void nr_ice_initialize_finished_cb(NR_SOCKET s, int h, void *cb_arg);
1.169 +int nr_ice_add_media_stream(nr_ice_ctx *ctx,char *label,int components, nr_ice_media_stream **streamp);
1.170 +int nr_ice_get_global_attributes(nr_ice_ctx *ctx,char ***attrsp, int *attrctp);
1.171 +int nr_ice_ctx_deliver_packet(nr_ice_ctx *ctx, nr_ice_component *comp, nr_transport_addr *source_addr, UCHAR *data, int len);
1.172 +int nr_ice_ctx_is_known_id(nr_ice_ctx *ctx, UCHAR id[12]);
1.173 +int nr_ice_ctx_remember_id(nr_ice_ctx *ctx, nr_stun_message *msg);
1.174 +int nr_ice_ctx_finalize(nr_ice_ctx *ctx, nr_ice_peer_ctx *pctx);
1.175 +int nr_ice_ctx_set_stun_servers(nr_ice_ctx *ctx,nr_ice_stun_server *servers, int ct);
1.176 +int nr_ice_ctx_set_turn_servers(nr_ice_ctx *ctx,nr_ice_turn_server *servers, int ct);
1.177 +int nr_ice_ctx_set_resolver(nr_ice_ctx *ctx, nr_resolver *resolver);
1.178 +int nr_ice_ctx_set_interface_prioritizer(nr_ice_ctx *ctx, nr_interface_prioritizer *prioritizer);
1.179 +int nr_ice_ctx_set_trickle_cb(nr_ice_ctx *ctx, nr_ice_trickle_candidate_cb cb, void *cb_arg);
1.180 +
1.181 +#define NR_ICE_MAX_ATTRIBUTE_SIZE 256
1.182 +
1.183 +extern int LOG_ICE;
1.184 +
1.185 +#ifdef __cplusplus
1.186 +}
1.187 +#endif /* __cplusplus */
1.188 +#endif
1.189 +
