39 void janus_ice_init(gboolean ice_lite, gboolean ice_tcp, gboolean full_trickle, gboolean ipv6, uint16_t rtp_min_port, uint16_t rtp_max_port);
54 int janus_ice_set_turn_server(gchar *turn_server, uint16_t turn_port, gchar *turn_type, gchar *turn_user, gchar *turn_pwd);
163 #define JANUS_ICE_HANDLE_WEBRTC_PROCESSING_OFFER (1 << 0) 164 #define JANUS_ICE_HANDLE_WEBRTC_START (1 << 1) 165 #define JANUS_ICE_HANDLE_WEBRTC_READY (1 << 2) 166 #define JANUS_ICE_HANDLE_WEBRTC_STOP (1 << 3) 167 #define JANUS_ICE_HANDLE_WEBRTC_ALERT (1 << 4) 168 #define JANUS_ICE_HANDLE_WEBRTC_TRICKLE (1 << 7) 169 #define JANUS_ICE_HANDLE_WEBRTC_ALL_TRICKLES (1 << 8) 170 #define JANUS_ICE_HANDLE_WEBRTC_TRICKLE_SYNCED (1 << 9) 171 #define JANUS_ICE_HANDLE_WEBRTC_DATA_CHANNELS (1 << 10) 172 #define JANUS_ICE_HANDLE_WEBRTC_CLEANING (1 << 11) 173 #define JANUS_ICE_HANDLE_WEBRTC_HAS_AUDIO (1 << 12) 174 #define JANUS_ICE_HANDLE_WEBRTC_HAS_VIDEO (1 << 13) 175 #define JANUS_ICE_HANDLE_WEBRTC_GOT_OFFER (1 << 14) 176 #define JANUS_ICE_HANDLE_WEBRTC_GOT_ANSWER (1 << 15) 177 #define JANUS_ICE_HANDLE_WEBRTC_HAS_AGENT (1 << 16) 178 #define JANUS_ICE_HANDLE_WEBRTC_ICE_RESTART (1 << 17) 179 #define JANUS_ICE_HANDLE_WEBRTC_RESEND_TRICKLES (1 << 18) 180 #define JANUS_ICE_HANDLE_WEBRTC_RFC4588_RTX (1 << 19) 333 guint32 video_ssrc_peer[3], video_ssrc_peer_new[3], video_ssrc_peer_orig[3];
335 guint32 video_ssrc_peer_rtx[3], video_ssrc_peer_rtx_new[3], video_ssrc_peer_rtx_orig[3];
351 gboolean (* video_is_keyframe)(
char* buffer,
int len);
359 GHashTable *rtx_nacked[3];
365 gint64 video_first_ntp_ts[3];
367 guint32 video_first_rtp_ts[3];
406 #define LAST_SEQS_MAX_LEN 160 guint srtp_errors_count
Count of the recent SRTP replay errors, in order to avoid spamming the logs.
Definition: ice.h:305
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:541
janus_ice_stats in_stats
Stats for incoming data (audio/video/data)
Definition: ice.h:460
gboolean noerrorlog
Helper flag to avoid flooding the console with the same error all over again.
Definition: ice.h:464
void janus_ice_resend_trickles(janus_ice_handle *handle)
Method to resend all the existing candidates via trickle (e.g., after an ICE restart) ...
Definition: ice.c:3241
const gchar * hangup_reason
Reason this handle has been hung up.
Definition: ice.h:295
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:1009
guint state
libnice ICE component state
Definition: ice.h:416
gboolean video_send
Definition: ice.h:353
GHashTable * rtx_payload_types
Mapping of rtx payload types to actual media-related packet types.
Definition: ice.h:345
json_t * candidate
JSON object of the trickle candidate(s)
Definition: ice.h:478
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:934
gint64 retransmit_log_ts
Last time a log message about sending retransmits was printed.
Definition: ice.h:448
gchar * audio_mid
Audio mid (media ID)
Definition: ice.h:277
janus_flags webrtc_flags
Mask of WebRTC-related flags for this handle.
Definition: ice.h:261
guint32 audio_ssrc
Audio SSRC of the gateway for this stream.
Definition: ice.h:325
gint janus_ice_handle_destroy(void *gateway_session, guint64 handle_id)
Method to destroy a Janus ICE handle.
Definition: ice.c:1047
gboolean janus_ice_is_full_trickle_enabled(void)
Method to check whether full-trickle support is enabled or not.
Definition: ice.c:88
SCTP processing for data channels (headers)
guint32 packets
Packets sent or received.
Definition: ice.h:187
gchar * local_sdp
SDP generated locally (just for debugging purposes)
Definition: ice.h:291
guint32 audio_ssrc_peer_orig
Definition: ice.h:331
struct janus_seq_info * prev
Definition: ice.h:235
struct json_t json_t
Definition: plugin.h:220
guint nack_sent_recent_cnt
Number of NACKs sent since last log message.
Definition: ice.h:454
guint component_id
libnice ICE component ID
Definition: ice.h:414
void janus_seq_list_free(janus_seq_info **head)
Definition: ice.c:367
janus_ice_stream * stream
Janus ICE stream this component belongs to.
Definition: ice.h:410
gint64 audio_first_ntp_ts
First received audio NTP timestamp.
Definition: ice.h:361
Janus media statistics container.
Definition: ice.h:202
void janus_ice_stream_free(janus_ice_stream *stream)
Method to only free resources related to a specific ICE stream allocated by a Janus ICE handle...
Definition: ice.c:1264
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:466
GThread * icethread
GLib thread for libnice.
Definition: ice.h:269
gchar * stream_mid
Main mid (will be a pointer to one of the above)
Definition: ice.h:283
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:739
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:403
void * janus_ice_thread(void *data)
Janus ICE handle thread.
Definition: ice.c:2654
NiceAgent * agent
libnice ICE agent
Definition: ice.h:271
gint64 nack_sent_log_ts
Last time a log message about sending NACKs was printed.
Definition: ice.h:452
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:285
struct janus_ice_stats janus_ice_stats
Janus media statistics container.
char * janus_ice_get_turn_rest_api(void)
Method to get the specified TURN REST API backend, if any.
Definition: ice.c:65
gboolean process_started
Whether the setup of remote candidates for this component has started or not.
Definition: ice.h:428
SDP m-line representation.
Definition: sdp-utils.h:122
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.
Plugin-Gateway communication (implementation)
Janus ICE stream.
Definition: ice.h:317
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:1153
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:192
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:3276
Janus ICE component.
Definition: ice.h:408
void janus_ice_restart(janus_ice_handle *handle)
Method to restart ICE and the connectivity checks.
Definition: ice.c:3231
uint janus_get_no_media_timer(void)
Method to get the current no-media event timer (see above)
Definition: ice.c:263
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:395
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:4076
GSList * candidates
GLib list of libnice remote candidates for this component.
Definition: ice.h:420
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:172
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:1001
gboolean janus_ice_is_ipv6_enabled(void)
Method to check whether IPv6 candidates are enabled/supported or not (still WIP)
Definition: ice.c:94
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's data for a plugin...
Definition: ice.c:2644
Instance of a text2pcap recorder.
Definition: text2pcap.h:47
guint16 seq
Definition: ice.h:232
janus_ice_handle * handle
Janus ICE handle this trickle candidate belongs to.
Definition: ice.h:472
gchar * remote_fingerprint
Hashed fingerprint of the peer's certificate, as parsed in SDP.
Definition: ice.h:391
void janus_set_rfc4588_enabled(gboolean enabled)
Method to enable or disable the RFC4588 support negotiation.
Definition: ice.c:270
void janus_ice_init(gboolean ice_lite, gboolean ice_tcp, gboolean full_trickle, gboolean ipv6, uint16_t rtp_min_port, uint16_t rtp_max_port)
ICE stuff initialization.
Definition: ice.c:659
GSList * remote_candidates
GLib list of remote candidates for this component (summary)
Definition: ice.h:424
GHashTable * components
GLib hash table of components (IDs are the keys)
Definition: ice.h:397
gint cdone
Number of gathered candidates.
Definition: ice.h:263
gchar * video_mid
Video mid (media ID)
Definition: ice.h:279
gchar * rtp_profile
RTP profile set by caller (so that we can match it)
Definition: ice.h:289
char * transaction
Janus API transaction ID of the original trickle request.
Definition: ice.h:476
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:969
Helper to handle pending trickle candidates (e.g., when we're still waiting for an offer) ...
Definition: ice.h:470
struct janus_seq_info * next
Definition: ice.h:234
guint stream_id
libnice ICE stream ID
Definition: ice.h:412
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:255
const gchar * janus_get_ice_state_name(gint state)
Helper method to get a string representation of a libnice ICE state.
Definition: ice.c:961
void janus_ice_ignore_interface(const char *ip)
Method to add an interface/IP to the ignore list for ICE (that is, don't gather candidates) ...
Definition: ice.c:161
gboolean do_transport_wide_cc
Wether we do transport wide cc for video.
Definition: ice.h:373
GMainLoop * iceloop
GLib loop for libnice.
Definition: ice.h:267
GSList * transport_wide_received_seq_nums
GLib list of transport wide cc stats in reverse received order.
Definition: ice.h:385
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:2877
GSource * dtlsrt_source
Re-transmission timer for DTLS.
Definition: ice.h:434
The plugin session and callbacks interface.
Definition: plugin.h:234
guint transport_wide_cc_ext_id
Transport wide cc rtp ext ID.
Definition: ice.h:375
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:292
janus_plugin_session * app_handle
Opaque gateway/plugin session pointer.
Definition: ice.h:259
guint retransmit_recent_cnt
Number of retransmitted packets since last log message.
Definition: ice.h:450
RTP context, in order to make sure SSRC changes result in coherent seq/ts increases.
Definition: rtp.h:155
janus_ice_handle * handle
Janus ICE handle this stream belongs to.
Definition: ice.h:319
janus_ice_stats out_stats
Stats for outgoing data (audio/video/data)
Definition: ice.h:462
void janus_ice_debugging_disable(void)
Method to disable libnice debugging (the default)
Definition: ice.c:119
RTCP processing (headers)
gint64 updated
Time we last updated the last second counter.
Definition: ice.h:193
uint16_t janus_ice_get_turn_port(void)
Method to get the TURN server port.
Definition: ice.c:59
GSList * local_candidates
GLib list of local candidates for this component (summary)
Definition: ice.h:422
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:2840
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:1202
GQueue * video_retransmit_buffer
Definition: ice.h:442
guint stream_id
ICE Stream ID.
Definition: ice.h:285
gint64 ts
Definition: ice.h:231
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:128
void janus_ice_deinit(void)
ICE stuff de-initialization.
Definition: ice.c:722
janus_ice_stats_info audio
Audio info.
Definition: ice.h:204
gchar * remote_hashing
Hashing algorhitm used by the peer for the DTLS certificate (e.g., "SHA-256")
Definition: ice.h:389
gchar * ruser
The ICE username for this stream.
Definition: ice.h:393
gboolean janus_is_rfc4588_enabled(void)
Method to check whether the RFC4588 support is enabled.
Definition: ice.c:274
gchar * remote_sdp
SDP received by the peer (just for debugging purposes)
Definition: ice.h:293
A helper struct for determining when to send NACKs.
Definition: ice.h:230
uint32_t janus_flags
Janus flags container.
Definition: utils.h:85
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:257
int janus_ice_get_event_stats_period(void)
Method to get the current event handler statistics period (see above)
Definition: ice.c:195
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:4138
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:101
guint32 transport_wide_cc_last_seq_num
Last received transport wide seq num.
Definition: ice.h:377
janus_ice_stream * stream
ICE stream.
Definition: ice.h:287
void janus_ice_trickle_destroy(janus_ice_trickle *trickle)
Helper method to destroy a janus_ice_trickle instance.
Definition: ice.c:644
gint cdone
Whether this stream is ready to be used.
Definition: ice.h:323
gboolean notified_lastsec
Whether or not we notified about lastsec issues already.
Definition: ice.h:195
gint video_rtx_payload_type
Definition: ice.h:347
guint32 audio_first_rtp_ts
First received audio RTP timestamp.
Definition: ice.h:363
Janus ICE handle.
Definition: ice.h:247
guint32 video_ssrc
Video SSRC of the gateway for this stream.
Definition: ice.h:327
volatile gint send_thread_created
Atomic flag to make sure we only create the thread once.
Definition: ice.h:303
char * opaque_id
Opaque identifier, e.g., to provide inter-handle relationships to external tools. ...
Definition: ice.h:253
void janus_ice_free(janus_ice_handle *handle)
Method to actually free the resources allocated by a Janus ICE handle.
Definition: ice.c:1120
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:883
struct janus_ice_stats_info janus_ice_stats_info
Janus media statistics.
GList * video_payload_types
List of payload types we can expect for video.
Definition: ice.h:343
gboolean controlling
ICE role (controlling or controlled)
Definition: ice.h:275
GMainContext * icectx
GLib context for libnice.
Definition: ice.h:265
GHashTable * video_retransmit_seqs
Definition: ice.h:444
guint32 audio_last_ts
Last sent audio RTP timestamp.
Definition: ice.h:369
Janus media statistics.
Definition: ice.h:185
GThread * send_thread
GLib thread for sending outgoing packets.
Definition: ice.h:301
gboolean do_audio_nacks
Whether we should do NACKs (in or out) for audio.
Definition: ice.h:438
void * session
Opaque pointer to the gateway/peer session.
Definition: ice.h:249
guint32 video_last_ts
Last sent video RTP timestamp.
Definition: ice.h:371
guint32 nacks
Number of NACKs sent or received.
Definition: ice.h:197
gchar * rpass
The ICE password for this stream.
Definition: ice.h:395
pthread_mutex_t janus_mutex
Janus mutex implementation.
Definition: mutex.h:21
janus_text2pcap * text2pcap
In case this session must be saved to text2pcap, the instance to dump packets to. ...
Definition: ice.h:311
gint64 component_connected
Monotonic time of when this component has successfully connected.
Definition: ice.h:418
int janus_ice_setup_local(janus_ice_handle *handle, int offer, int audio, int video, int data, int trickle)
Method to locally set up the ICE candidates (initialization and gathering)
Definition: ice.c:2940
Janus DTLS-SRTP handle.
Definition: dtls.h:54
janus_mutex mutex
Mutex to lock/unlock the ICE session.
Definition: ice.h:313
janus_rtcp_context * audio_rtcp_ctx
RTCP context for the audio stream.
Definition: ice.h:355
volatile gint dump_packets
Flag to decide whether or not packets need to be dumped to a text2pcap file.
Definition: ice.h:309
guint64 bytes
Bytes sent or received.
Definition: ice.h:189
gint janus_ice_trickle_parse(janus_ice_handle *handle, json_t *candidate, const char **error)
Helper method to parse trickle candidates.
Definition: ice.c:579
GList * audio_payload_types
List of payload types we can expect for audio.
Definition: ice.h:341
guint sl_nack_recent_cnt
Count of recent NACKs (for slow_link)
Definition: ice.h:214
Internal RTCP state context (for RR/SR)
Definition: rtcp.h:226
guint32 bytes_lastsec
Bytes sent or received in the last second.
Definition: ice.h:191
gchar * data_mid
Data channel mid (media ID)
Definition: ice.h:281
guint64 handle_id
Handle identifier, guaranteed to be non-zero.
Definition: ice.h:251
Plugin-Gateway session mapping.
Definition: plugin.h:223
gint64 agent_created
Monotonic time of when the ICE agent has been created.
Definition: ice.h:273
guint transport_wide_cc_feedback_count
Transport wide cc rtp ext ID.
Definition: ice.h:383
GAsyncQueue * queued_packets
Queue of outgoing packets to send.
Definition: ice.h:299
guint32 transport_wide_cc_last_feedback_seq_num
Last transport wide seq num sent on feedback.
Definition: ice.h:379
janus_dtls_srtp * dtls
DTLS-SRTP stack.
Definition: ice.h:436
janus_seq_info * last_seqs_audio
List of recently received audio sequence numbers (as a support to NACK generation) ...
Definition: ice.h:456
GList * pending_trickles
List of pending trickle candidates (those we received before getting the JSEP offer) ...
Definition: ice.h:297
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:136
gint64 received
Monotonic time of when this trickle candidate has been received.
Definition: ice.h:474
gboolean do_video_nacks
Whether we should do NACKs (in or out) for video.
Definition: ice.h:440
janus_ice_component * component
ICE component.
Definition: ice.h:399
gint64 icefailed_detected
Time of when we first detected an ICE failed (we'll need this for the timer above) ...
Definition: ice.h:432
void janus_ice_debugging_enable(void)
Method to enable libnice debugging (http://nice.freedesktop.org/libnice/libnice-Debug-messages.html)
Definition: ice.c:104
guint16 rtx_seq_number
Current sequence number for the RFC4588 rtx SSRC session.
Definition: ice.h:446
guint16 transport_wide_cc_cycles
Transport wide cc transport seq num wrap cycles.
Definition: ice.h:381
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:144
guint32 video_ssrc_rtx
Video retransmission SSRC of the peer for this stream.
Definition: ice.h:329
guint16 state
Definition: ice.h:233
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:307
guint stream_id
libnice ICE stream ID
Definition: ice.h:321
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:256
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:568
GSource * icestate_source
Timer to check when we should consider ICE as failed.
Definition: ice.h:430
gint64 sl_nack_period_ts
Start time of recent NACKs (for slow_link)
Definition: ice.h:212
gchar * selected_pair
String representation of the selected pair as notified by libnice (foundations)
Definition: ice.h:426
janus_ice_stats_info data
Data info.
Definition: ice.h:208
janus_dtls_role
DTLS roles.
Definition: dtls.h:39
char * video_codec
Definition: ice.h:349
janus_dtls_role dtls_role
DTLS role of the gateway for this stream.
Definition: ice.h:387
void janus_ice_component_free(janus_ice_component *component)
Method to only free resources related to a specific ICE component allocated by a Janus ICE handle...
Definition: ice.c:1338
gint64 last_slowlink_time
Last time the slow_link callback (of the plugin) was called.
Definition: ice.h:210
guint32 bytes_lastsec_temp
Definition: ice.h:191
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:4160
gboolean noerrorlog
Helper flag to avoid flooding the console with the same error all over again.
Definition: ice.h:401