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ice.h
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1 
17 #ifndef _JANUS_ICE_H
18 #define _JANUS_ICE_H
19 
20 #include <glib.h>
21 #include <agent.h>
22 
23 #include "sdp.h"
24 #include "dtls.h"
25 #include "sctp.h"
26 #include "rtcp.h"
27 #include "text2pcap.h"
28 #include "utils.h"
29 #include "plugins/plugin.h"
30 
31 
38 void janus_ice_init(gboolean ice_lite, gboolean ice_tcp, gboolean ipv6, uint16_t rtp_min_port, uint16_t rtp_max_port);
40 void janus_ice_deinit(void);
45 int janus_ice_set_stun_server(gchar *stun_server, uint16_t stun_port);
53 int janus_ice_set_turn_server(gchar *turn_server, uint16_t turn_port, gchar *turn_type, gchar *turn_user, gchar *turn_pwd);
61 int janus_ice_set_turn_rest_api(gchar *api_server, gchar *api_key, gchar *api_method);
64 char *janus_ice_get_stun_server(void);
67 uint16_t janus_ice_get_stun_port(void);
70 char *janus_ice_get_turn_server(void);
73 uint16_t janus_ice_get_turn_port(void);
76 char *janus_ice_get_turn_rest_api(void);
78 void janus_ice_enable_nat_1_1(void);
85 void janus_ice_enforce_interface(const char *ip);
89 gboolean janus_ice_is_enforced(const char *ip);
97 void janus_ice_ignore_interface(const char *ip);
101 gboolean janus_ice_is_ignored(const char *ip);
104 gboolean janus_ice_is_ice_lite_enabled(void);
107 gboolean janus_ice_is_ice_tcp_enabled(void);
110 gboolean janus_ice_is_ipv6_enabled(void);
113 gboolean janus_ice_is_bundle_forced(void);
116 void janus_ice_force_bundle(gboolean forced);
119 gboolean janus_ice_is_rtcpmux_forced(void);
122 void janus_ice_force_rtcpmux(gboolean forced);
128 void janus_set_max_nack_queue(uint mnq);
131 uint janus_get_max_nack_queue(void);
134 void janus_set_no_media_timer(uint timer);
137 uint janus_get_no_media_timer(void);
140 void janus_ice_set_event_stats_period(int period);
148 void janus_ice_debugging_enable(void);
150 void janus_ice_debugging_disable(void);
151 
152 
156 const gchar *janus_get_ice_state_name(gint state);
157 
158 
167 
168 
169 #define JANUS_ICE_HANDLE_WEBRTC_PROCESSING_OFFER (1 << 0)
170 #define JANUS_ICE_HANDLE_WEBRTC_START (1 << 1)
171 #define JANUS_ICE_HANDLE_WEBRTC_READY (1 << 2)
172 #define JANUS_ICE_HANDLE_WEBRTC_STOP (1 << 3)
173 #define JANUS_ICE_HANDLE_WEBRTC_ALERT (1 << 4)
174 #define JANUS_ICE_HANDLE_WEBRTC_BUNDLE (1 << 5)
175 #define JANUS_ICE_HANDLE_WEBRTC_RTCPMUX (1 << 6)
176 #define JANUS_ICE_HANDLE_WEBRTC_TRICKLE (1 << 7)
177 #define JANUS_ICE_HANDLE_WEBRTC_ALL_TRICKLES (1 << 8)
178 #define JANUS_ICE_HANDLE_WEBRTC_TRICKLE_SYNCED (1 << 9)
179 #define JANUS_ICE_HANDLE_WEBRTC_DATA_CHANNELS (1 << 10)
180 #define JANUS_ICE_HANDLE_WEBRTC_PLAN_B (1 << 11)
181 #define JANUS_ICE_HANDLE_WEBRTC_CLEANING (1 << 12)
182 #define JANUS_ICE_HANDLE_WEBRTC_HAS_AUDIO (1 << 13)
183 #define JANUS_ICE_HANDLE_WEBRTC_HAS_VIDEO (1 << 14)
184 #define JANUS_ICE_HANDLE_WEBRTC_GOT_OFFER (1 << 15)
185 #define JANUS_ICE_HANDLE_WEBRTC_GOT_ANSWER (1 << 16)
186 #define JANUS_ICE_HANDLE_WEBRTC_HAS_AGENT (1 << 17)
187 
188 
191 typedef struct janus_ice_stats {
193  guint32 audio_packets;
195  guint64 audio_bytes;
201  guint32 audio_nacks;
203  guint32 video_packets;
205  guint64 video_bytes;
211  guint32 video_nacks;
213  guint32 data_packets;
215  guint64 data_bytes;
223 
226 typedef struct janus_ice_stats_item {
228  guint64 bytes;
230  gint64 when;
232 
236 
240 void janus_ice_notify_hangup(janus_ice_handle *handle, const char *reason);
241 
242 
246 gboolean janus_plugin_session_is_alive(janus_plugin_session *plugin_session);
247 
248 
250 typedef struct janus_seq_info {
251  gint64 ts;
252  guint16 seq;
253  guint16 state;
257 enum {
262 };
263 
264 
268  void *session;
270  guint64 handle_id;
272  char *opaque_id;
274  gint64 created;
276  void *app;
282  gboolean force_bundle;
284  gboolean force_rtcp_mux;
286  gint cdone;
288  GMainContext *icectx;
290  GMainLoop *iceloop;
292  GThread *icethread;
294  NiceAgent *agent;
298  gboolean controlling;
300  guint audio_id;
302  guint video_id;
304  guint data_id;
306  gchar *audio_mid;
308  gchar *video_mid;
310  gchar *data_mid;
314  GHashTable *streams;
322  gchar *rtp_profile;
324  gchar *local_sdp;
326  gchar *remote_sdp;
330  GAsyncQueue *queued_packets;
332  GThread *send_thread;
334  volatile gint send_thread_created;
340  volatile gint dump_packets;
345 };
346 
352  guint stream_id;
354  gint cdone:1;
356  guint disabled;
358  guint32 audio_ssrc;
360  guint32 video_ssrc;
372  char *rid[3];
392  guint32 audio_last_ts;
394  guint32 video_last_ts;
402  gchar *ruser;
404  gchar *rpass;
406  GHashTable *components;
412  gboolean noerrorlog;
415 };
416 
417 #define LAST_SEQS_MAX_LEN 160
418 
423  guint stream_id;
427  guint state;
431  GSList *candidates;
439  gboolean process_started;
441  GSource *icestate_source;
445  GSource *dtlsrt_source;
449  gboolean do_audio_nacks;
451  gboolean do_video_nacks;
471  gboolean noerrorlog;
474 };
475 
481  gint64 received;
483  char *transaction;
486 };
487 
490 
496 janus_ice_trickle *janus_ice_trickle_new(janus_ice_handle *handle, const char *transaction, json_t *candidate);
502 gint janus_ice_trickle_parse(janus_ice_handle *handle, json_t *candidate, const char **error);
507 
508 
511 
516 janus_ice_handle *janus_ice_handle_create(void *gateway_session, const char *opaque_id);
521 janus_ice_handle *janus_ice_handle_find(void *gateway_session, guint64 handle_id);
528 gint janus_ice_handle_attach_plugin(void *gateway_session, guint64 handle_id, janus_plugin *plugin);
533 gint janus_ice_handle_destroy(void *gateway_session, guint64 handle_id);
536 void janus_ice_free(janus_ice_handle *handle);
540 void janus_ice_webrtc_hangup(janus_ice_handle *handle, const char *reason);
547 void janus_ice_stream_free(GHashTable *container, janus_ice_stream *stream);
551 void janus_ice_component_free(GHashTable *container, janus_ice_component *component);
553 
554 
557 
563 void janus_ice_relay_rtp(janus_ice_handle *handle, int video, char *buf, int len);
569 void janus_ice_relay_rtcp(janus_ice_handle *handle, int video, char *buf, int len);
574 void janus_ice_relay_data(janus_ice_handle *handle, char *buf, int len);
579 void janus_ice_incoming_data(janus_ice_handle *handle, char *buffer, int length);
581 
582 
585 
587 void *janus_ice_thread(void *data);
589 void *janus_ice_send_thread(void *data);
600 int janus_ice_setup_local(janus_ice_handle *handle, int offer, int audio, int video, int data, int bundle, int rtcpmux, int trickle);
606 void janus_ice_candidates_to_sdp(janus_ice_handle *handle, janus_sdp_mline *mline, guint stream_id, guint component_id);
611 void janus_ice_setup_remote_candidates(janus_ice_handle *handle, guint stream_id, guint component_id);
618 
619 #endif
guint srtp_errors_count
Count of the recent SRTP replay errors, in order to avoid spamming the logs.
Definition: ice.h:336
void janus_ice_notify_hangup(janus_ice_handle *handle, const char *reason)
Quick helper method to notify a WebRTC hangup through the Janus API.
Definition: ice.c:521
janus_ice_stats in_stats
Stats for incoming data (audio/video/data)
Definition: ice.h:467
gboolean noerrorlog
Helper flag to avoid flooding the console with the same error all over again.
Definition: ice.h:471
gint janus_ice_handle_attach_plugin(void *gateway_session, guint64 handle_id, janus_plugin *plugin)
Method to attach a Janus ICE handle to a plugin.
Definition: ice.c:1023
guint state
libnice ICE component state
Definition: ice.h:427
gboolean audio_notified_lastsec
Whether or not we notified about audio lastsec issues already.
Definition: ice.h:199
json_t * candidate
JSON object of the trickle candidate(s)
Definition: ice.h:485
int janus_ice_set_turn_rest_api(gchar *api_server, gchar *api_key, gchar *api_method)
Method to force Janus to contact a TURN REST API server to get a TURN service to use when gathering c...
Definition: ice.c:914
gint64 retransmit_log_ts
Last time a log message about sending retransmits was printed.
Definition: ice.h:455
gchar * audio_mid
Audio mid (media ID)
Definition: ice.h:306
janus_flags webrtc_flags
Mask of WebRTC-related flags for this handle.
Definition: ice.h:280
guint32 audio_ssrc
Audio SSRC of the gateway for this stream (may be bundled)
Definition: ice.h:358
gint janus_ice_handle_destroy(void *gateway_session, guint64 handle_id)
Method to destroy a Janus ICE handle.
Definition: ice.c:1065
SCTP processing for data channels (headers)
gchar * local_sdp
SDP generated locally (just for debugging purposes)
Definition: ice.h:324
guint data_id
libnice ICE DataChannels ID
Definition: ice.h:304
struct janus_seq_info * prev
Definition: ice.h:255
janus_seq_info * last_seqs_video
List of recently received video sequence numbers (as a support to NACK generation) ...
Definition: ice.h:465
struct json_t json_t
Definition: plugin.h:219
guint nack_sent_recent_cnt
Number of NACKs sent since last log message.
Definition: ice.h:461
guint component_id
libnice ICE component ID
Definition: ice.h:425
janus_ice_stream * stream
Janus ICE stream this component belongs to.
Definition: ice.h:421
gint64 audio_first_ntp_ts
First received audio NTP timestamp.
Definition: ice.h:384
Janus media statistics.
Definition: ice.h:191
uint16_t janus_ice_get_stun_port(void)
Method to get the STUN server port.
Definition: ice.c:45
gboolean janus_ice_is_ice_lite_enabled(void)
Method to check whether ICE Lite mode is enabled or not (still WIP)
Definition: ice.c:76
janus_mutex mutex
Mutex to lock/unlock this component.
Definition: ice.h:473
GThread * icethread
GLib thread for libnice.
Definition: ice.h:292
int janus_ice_set_stun_server(gchar *stun_server, uint16_t stun_port)
Method to force Janus to use a STUN server when gathering candidates.
Definition: ice.c:746
struct janus_seq_info janus_seq_info
A helper struct for determining when to send NACKs.
janus_mutex mutex
Mutex to lock/unlock this stream.
Definition: ice.h:414
int janus_ice_setup_local(janus_ice_handle *handle, int offer, int audio, int video, int data, int bundle, int rtcpmux, int trickle)
Method to locally set up the ICE candidates (initialization and gathering)
Definition: ice.c:2749
void * janus_ice_thread(void *data)
Janus ICE handle thread.
Definition: ice.c:2408
NiceAgent * agent
libnice ICE agent
Definition: ice.h:294
gint64 nack_sent_log_ts
Last time a log message about sending NACKs was printed.
Definition: ice.h:459
void janus_set_max_nack_queue(uint mnq)
Method to modify the max NACK value (i.e., the number of packets per handle to store for retransmissi...
Definition: ice.c:316
struct janus_ice_stats janus_ice_stats
Janus media statistics.
struct janus_ice_stats_item janus_ice_stats_item
Janus media statistics: received packet info.
GHashTable * streams
GLib hash table of streams (IDs are the keys)
Definition: ice.h:314
char * janus_ice_get_turn_rest_api(void)
Method to get the specified TURN REST API backend, if any.
Definition: ice.c:65
Definition: ice.h:259
gboolean process_started
Whether the setup of remote candidates for this component has started or not.
Definition: ice.h:439
guint64 video_bytes
Video bytes sent or received.
Definition: ice.h:205
SDP m-line representation.
Definition: sdp-utils.h:97
void janus_ice_relay_data(janus_ice_handle *handle, char *buf, int len)
Gateway SCTP/DataChannel callback, called when a plugin has data to send to a peer.
void janus_ice_component_free(GHashTable *container, janus_ice_component *component)
Method to only free resources related to a specific ICE component allocated by a Janus ICE handle...
Definition: ice.c:1354
Plugin-Gateway communication (implementation)
Janus ICE stream.
Definition: ice.h:348
void janus_ice_webrtc_hangup(janus_ice_handle *handle, const char *reason)
Method to only hangup (e.g., DTLS alert) the WebRTC PeerConnection allocated by a Janus ICE handle...
Definition: ice.c:1184
void janus_ice_set_event_stats_period(int period)
Method to modify the event handler statistics period (i.e., the number of seconds that should pass be...
Definition: ice.c:250
ogg_stream_state * stream
Definition: pp-opus.c:31
void * janus_ice_send_thread(void *data)
Janus ICE thread for sending outgoing packets.
Definition: ice.c:3369
Janus ICE component.
Definition: ice.h:419
janus_ice_stream * data_stream
SCTP/DataChannel stream.
Definition: ice.h:320
gboolean force_bundle
Whether we have to force BUNDLE when negotiating (if true, overrides global configuration) ...
Definition: ice.h:282
void janus_ice_force_bundle(gboolean forced)
Method to set the BUNDLE support mode (true means mandatory, false means optional) ...
Definition: ice.c:94
uint janus_get_no_media_timer(void)
Method to get the current no-media event timer (see above)
Definition: ice.c:305
gboolean janus_plugin_session_is_alive(janus_plugin_session *plugin_session)
Quick helper method to check if a plugin session associated with a Janus handle is still valid...
Definition: ice.c:408
void janus_ice_relay_rtp(janus_ice_handle *handle, int video, char *buf, int len)
Gateway RTP callback, called when a plugin has an RTP packet to send to a peer.
Definition: ice.c:4001
GSList * candidates
GLib list of libnice remote candidates for this component.
Definition: ice.h:431
guint video_id
libnice ICE video ID
Definition: ice.h:302
gboolean janus_ice_is_ignored(const char *ip)
Method to check whether an interface/IP is currently in the ignore list for ICE (that is...
Definition: ice.c:230
janus_ice_handle * janus_ice_handle_find(void *gateway_session, guint64 handle_id)
Method to find an existing Janus ICE handle from its ID.
Definition: ice.c:1015
gboolean janus_ice_is_ipv6_enabled(void)
Method to check whether IPv6 candidates are enabled/supported or not (still WIP)
Definition: ice.c:88
void janus_ice_incoming_data(janus_ice_handle *handle, char *buffer, int length)
Plugin SCTP/DataChannel callback, called by the SCTP stack when when there&#39;s data for a plugin...
Definition: ice.c:2398
guint32 video_ssrc_peer_sim_1
Video SSRC (simulcasted 1) of the peer for this stream (may be bundled)
Definition: ice.h:368
Instance of a text2pcap recorder.
Definition: text2pcap.h:47
guint16 seq
Definition: ice.h:252
janus_ice_handle * handle
Janus ICE handle this trickle candidate belongs to.
Definition: ice.h:479
gchar * remote_fingerprint
Hashed fingerprint of the peer&#39;s certificate, as parsed in SDP.
Definition: ice.h:400
void janus_ice_stats_reset(janus_ice_stats *stats)
Quick helper method to reset stats.
Definition: ice.c:953
GSList * remote_candidates
GLib list of remote candidates for this component (summary)
Definition: ice.h:435
GHashTable * components
GLib hash table of components (IDs are the keys)
Definition: ice.h:406
gint cdone
Number of gathered candidates.
Definition: ice.h:286
guint64 data_bytes
Data bytes sent or received.
Definition: ice.h:215
guint audio_id
libnice ICE audio ID
Definition: ice.h:300
gchar * video_mid
Video mid (media ID)
Definition: ice.h:308
gboolean janus_ice_is_rtcpmux_forced(void)
Method to check whether rtcp-mux support is forced or not.
Definition: ice.c:152
gchar * rtp_profile
RTP profile set by caller (so that we can match it)
Definition: ice.h:322
TURN REST API client.
char * transaction
Janus API transaction ID of the original trickle request.
Definition: ice.h:483
janus_ice_handle * janus_ice_handle_create(void *gateway_session, const char *opaque_id)
Method to create a new Janus ICE handle.
Definition: ice.c:979
Helper to handle pending trickle candidates (e.g., when we&#39;re still waiting for an offer) ...
Definition: ice.h:477
struct janus_seq_info * next
Definition: ice.h:254
guint stream_id
libnice ICE stream ID
Definition: ice.h:423
gboolean janus_ice_is_ice_tcp_enabled(void)
Method to check whether ICE-TCP support is enabled/supported or not (still WIP)
Definition: ice.c:82
gint64 created
Monotonic time of when the handle has been created.
Definition: ice.h:274
const gchar * janus_get_ice_state_name(gint state)
Helper method to get a string representation of a libnice ICE state.
Definition: ice.c:941
void janus_ice_ignore_interface(const char *ip)
Method to add an interface/IP to the ignore list for ICE (that is, don&#39;t gather candidates) ...
Definition: ice.c:219
GMainLoop * iceloop
GLib loop for libnice.
Definition: ice.h:290
void janus_ice_setup_remote_candidates(janus_ice_handle *handle, guint stream_id, guint component_id)
Method to handle remote candidates and start the connectivity checks.
Definition: ice.c:2682
Janus media statistics: received packet info.
Definition: ice.h:226
gint payload_type
RTP payload type of this stream.
Definition: ice.h:378
void janus_ice_init(gboolean ice_lite, gboolean ice_tcp, gboolean ipv6, uint16_t rtp_min_port, uint16_t rtp_max_port)
ICE stuff initialization.
Definition: ice.c:666
janus_ice_stream * audio_stream
Audio stream.
Definition: ice.h:316
GSource * dtlsrt_source
Re-transmission timer for DTLS.
Definition: ice.h:445
gint janus_ice_get_rtcpmux_blackhole_port(void)
Method to get the port that has been assigned for the RTCP component blackhole in case of rtcp-mux...
Definition: ice.c:149
The plugin session and callbacks interface.
Definition: plugin.h:233
uint janus_get_max_nack_queue(void)
Method to get the current max NACK value (i.e., the number of packets per handle to store for retrans...
Definition: ice.c:323
janus_plugin_session * app_handle
Opaque gateway/plugin session pointer.
Definition: ice.h:278
guint retransmit_recent_cnt
Number of retransmitted packets since last log message.
Definition: ice.h:457
janus_ice_handle * handle
Janus ICE handle this stream belongs to.
Definition: ice.h:350
Definition: ice.h:258
janus_ice_stats out_stats
Stats for outgoing data (audio/video/data)
Definition: ice.h:469
void janus_ice_debugging_disable(void)
Method to disable libnice debugging (the default)
Definition: ice.c:177
RTCP processing (headers)
uint16_t janus_ice_get_turn_port(void)
Method to get the TURN server port.
Definition: ice.c:59
gint64 when
Time at which this happened.
Definition: ice.h:230
GSList * local_candidates
GLib list of local candidates for this component (summary)
Definition: ice.h:433
void janus_ice_candidates_to_sdp(janus_ice_handle *handle, janus_sdp_mline *mline, guint stream_id, guint component_id)
Method to add local candidates to a janus_sdp SDP object representation.
Definition: ice.c:2436
void janus_ice_webrtc_free(janus_ice_handle *handle)
Method to only free the WebRTC related resources allocated by a Janus ICE handle. ...
Definition: ice.c:1237
void janus_ice_stream_free(GHashTable *container, janus_ice_stream *stream)
Method to only free resources related to a specific ICE stream allocated by a Janus ICE handle...
Definition: ice.c:1301
gint64 ts
Definition: ice.h:251
janus_ice_component * rtcp_component
RTCP component.
Definition: ice.h:410
void janus_ice_enable_nat_1_1(void)
Helper method to force Janus to overwrite all host candidates with the public IP. ...
Definition: ice.c:186
void janus_ice_deinit(void)
ICE stuff de-initialization.
Definition: ice.c:727
gchar * remote_hashing
Hashing algorhitm used by the peer for the DTLS certificate (e.g., "SHA-256")
Definition: ice.h:398
gchar * ruser
The ICE username for this stream.
Definition: ice.h:402
gchar * remote_sdp
SDP received by the peer (just for debugging purposes)
Definition: ice.h:326
guint32 video_first_rtp_ts
First received video NTP RTP timestamp.
Definition: ice.h:390
A helper struct for determining when to send NACKs.
Definition: ice.h:250
uint32_t janus_flags
Janus flags container.
Definition: utils.h:82
char * janus_ice_get_stun_server(void)
Method to get the STUN server IP address.
Definition: ice.c:42
void * app
Opaque application (plugin) pointer.
Definition: ice.h:276
int janus_ice_get_event_stats_period(void)
Method to get the current event handler statistics period (see above)
Definition: ice.c:253
DTLS/SRTP processing (headers)
void janus_ice_relay_rtcp(janus_ice_handle *handle, int video, char *buf, int len)
Gateway RTCP callback, called when a plugin has an RTCP message to send to a peer.
Definition: ice.c:4051
gboolean janus_ice_is_ice_debugging_enabled(void)
Method to check whether libnice debugging has been enabled (http://nice.freedesktop.org/libnice/libnice-Debug-messages.html)
Definition: ice.c:159
void janus_ice_trickle_destroy(janus_ice_trickle *trickle)
Helper method to destroy a janus_ice_trickle instance.
Definition: ice.c:651
gint cdone
Whether this stream is ready to be used.
Definition: ice.h:354
Definition: ice.h:261
guint32 video_ssrc_peer_rtx
Video retransmissions SSRC of the peer for this stream (may be bundled)
Definition: ice.h:366
guint32 audio_first_rtp_ts
First received audio RTP timestamp.
Definition: ice.h:386
GList * audio_bytes_lastsec
Audio bytes sent or received in the last second.
Definition: ice.h:197
Janus ICE handle.
Definition: ice.h:266
guint32 video_ssrc
Video SSRC of the gateway for this stream (may be bundled)
Definition: ice.h:360
guint32 audio_nacks
Number of audio NACKs sent or received.
Definition: ice.h:201
guint64 bytes
Bytes sent or received.
Definition: ice.h:228
GList * retransmit_buffer
List of previously sent janus_rtp_packet RTP packets, in case we receive NACKs.
Definition: ice.h:453
volatile gint send_thread_created
Atomic flag to make sure we only create the thread once.
Definition: ice.h:334
char * opaque_id
Opaque identifier, e.g., to provide inter-handle relationships to external tools. ...
Definition: ice.h:272
void janus_ice_free(janus_ice_handle *handle)
Method to actually free the resources allocated by a Janus ICE handle.
Definition: ice.c:1150
int janus_ice_set_turn_server(gchar *turn_server, uint16_t turn_port, gchar *turn_type, gchar *turn_user, gchar *turn_pwd)
Method to force Janus to use a TURN server when gathering candidates.
Definition: ice.c:863
GList * video_payload_types
List of payload types we can expect for video.
Definition: ice.h:376
gboolean force_rtcp_mux
Whether we have to force rtcp-mux when negotiating (if true, overrides global configuration) ...
Definition: ice.h:284
guint64 audio_bytes
Audio bytes sent or received.
Definition: ice.h:195
gboolean controlling
ICE role (controlling or controlled)
Definition: ice.h:298
GMainContext * icectx
GLib context for libnice.
Definition: ice.h:288
guint32 audio_ssrc_peer
Audio SSRC of the peer for this stream (may be bundled)
Definition: ice.h:362
guint32 audio_last_ts
Last sent audio RTP timestamp.
Definition: ice.h:392
gint64 video_first_ntp_ts
First received video NTP timestamp.
Definition: ice.h:388
GThread * send_thread
GLib thread for sending outgoing packets.
Definition: ice.h:332
gboolean do_audio_nacks
Whether we should do NACKs (in or out) for audio.
Definition: ice.h:449
void * session
Opaque pointer to the gateway/peer session.
Definition: ice.h:268
guint32 video_last_ts
Last sent video RTP timestamp.
Definition: ice.h:394
gchar * rpass
The ICE password for this stream.
Definition: ice.h:404
pthread_mutex_t janus_mutex
Janus mutex implementation.
Definition: mutex.h:19
janus_text2pcap * text2pcap
In case this session must be saved to text2pcap, the instance to dump packets to. ...
Definition: ice.h:342
gint64 component_connected
Monotonic time of when this component has successfully connected.
Definition: ice.h:429
guint32 video_ssrc_peer_sim_2
Video SSRC (simulcasted 2) of the peer for this stream (may be bundled)
Definition: ice.h:370
Janus DTLS-SRTP handle.
Definition: dtls.h:53
janus_ice_stream * video_stream
Video stream.
Definition: ice.h:318
janus_mutex mutex
Mutex to lock/unlock the ICE session.
Definition: ice.h:344
guint32 audio_packets
Audio packets sent or received.
Definition: ice.h:193
volatile gint dump_packets
Flag to decide whether or not packets need to be dumped to a text2pcap file.
Definition: ice.h:340
guint32 video_packets
Video packets sent or received.
Definition: ice.h:203
gint janus_ice_trickle_parse(janus_ice_handle *handle, json_t *candidate, const char **error)
Helper method to parse trickle candidates.
Definition: ice.c:559
GList * audio_payload_types
List of payload types we can expect for audio.
Definition: ice.h:374
gboolean janus_ice_is_bundle_forced(void)
Method to check whether BUNDLE support is forced or not.
Definition: ice.c:98
guint32 data_packets
Data packets sent or received.
Definition: ice.h:213
guint sl_nack_recent_cnt
Count of recent NACKs (for slow_link)
Definition: ice.h:221
Internal RTCP state context (for RR/SR)
Definition: rtcp.h:209
GList * video_bytes_lastsec
Video bytes sent or received in the last second.
Definition: ice.h:207
gchar * data_mid
Data channel mid (media ID)
Definition: ice.h:310
rtcp_context * audio_rtcp_ctx
RTCP context for the audio stream (may be bundled)
Definition: ice.h:380
guint64 handle_id
Handle identifier, guaranteed to be non-zero.
Definition: ice.h:270
Plugin-Gateway session mapping.
Definition: plugin.h:222
void janus_ice_force_rtcpmux(gboolean forced)
Method to set the rtcp-mux support mode (true means mandatory, false means optional) ...
Definition: ice.c:106
gint64 agent_created
Monotonic time of when the ICE agent has been created.
Definition: ice.h:296
GAsyncQueue * queued_packets
Queue of outgoing packets to send.
Definition: ice.h:330
janus_dtls_srtp * dtls
DTLS-SRTP stack.
Definition: ice.h:447
janus_seq_info * last_seqs_audio
List of recently received audio sequence numbers (as a support to NACK generation) ...
Definition: ice.h:463
GList * pending_trickles
List of pending trickle candidates (those we received before getting the JSEP offer) ...
Definition: ice.h:328
void janus_ice_enforce_interface(const char *ip)
Method to add an interface/IP to the enforce list for ICE (that is, only gather candidates from these...
Definition: ice.c:194
gint64 received
Monotonic time of when this trickle candidate has been received.
Definition: ice.h:481
gboolean do_video_nacks
Whether we should do NACKs (in or out) for video.
Definition: ice.h:451
guint32 video_nacks
Number of video NACKs sent or received.
Definition: ice.h:211
gint64 icefailed_detected
Time of when we first detected an ICE failed (we&#39;ll need this for the timer above) ...
Definition: ice.h:443
void janus_ice_debugging_enable(void)
Method to enable libnice debugging (http://nice.freedesktop.org/libnice/libnice-Debug-messages.html)
Definition: ice.c:162
SDP processing (headers)
gboolean janus_ice_is_enforced(const char *ip)
Method to check whether an interface is currently in the enforce list for ICE (that is...
Definition: ice.c:202
rtcp_context * video_rtcp_ctx
RTCP context for the video stream (may be bundled)
Definition: ice.h:382
guint16 state
Definition: ice.h:253
Dumping of RTP/RTCP packets to text2pcap format (headers)
char * janus_ice_get_turn_server(void)
Method to get the TURN server IP address.
Definition: ice.c:56
gint last_srtp_error
Count of the recent SRTP replay errors, in order to avoid spamming the logs.
Definition: ice.h:338
guint stream_id
libnice ICE stream ID
Definition: ice.h:352
Definition: ice.h:260
void janus_set_no_media_timer(uint timer)
Method to modify the no-media event timer (i.e., the number of seconds where no media arrives before ...
Definition: ice.c:298
gint streams_num
Number of streams.
Definition: ice.h:312
janus_ice_trickle * janus_ice_trickle_new(janus_ice_handle *handle, const char *transaction, json_t *candidate)
Helper method to allocate a janus_ice_trickle instance.
Definition: ice.c:548
GSource * icestate_source
Timer to check when we should consider ICE as failed.
Definition: ice.h:441
gboolean video_notified_lastsec
Whether or not we notified about video lastsec issues already.
Definition: ice.h:209
guint disabled
Whether the medium associated with this stream has been disabled (e.g., m=audio 0) ...
Definition: ice.h:356
gint64 sl_nack_period_ts
Start time of recent NACKs (for slow_link)
Definition: ice.h:219
gchar * selected_pair
String representation of the selected pair as notified by libnice (foundations)
Definition: ice.h:437
janus_ice_component * rtp_component
RTP (or SCTP, if this is the data stream) component.
Definition: ice.h:408
janus_dtls_role
DTLS roles.
Definition: dtls.h:38
guint32 video_ssrc_peer
Video SSRC of the peer for this stream (may be bundled)
Definition: ice.h:364
janus_dtls_role dtls_role
DTLS role of the gateway for this stream.
Definition: ice.h:396
gint64 last_slowlink_time
Last time the slow_link callback (of the plugin) was called.
Definition: ice.h:217
void janus_ice_dtls_handshake_done(janus_ice_handle *handle, janus_ice_component *component)
Callback to be notified when the DTLS handshake for a specific component has been completed...
Definition: ice.c:4072
gboolean noerrorlog
Helper flag to avoid flooding the console with the same error all over again.
Definition: ice.h:412