libervia-backend: libervia/backend/plugins/plugin_xep

annotate libervia/backend/plugins/plugin_xep_0167/mapping.py @ 4249:ba46d6a0ff3a

doc: style/typos/URL fixes

author	Goffi <goffi@goffi.org>
date	Fri, 31 May 2024 11:08:20 +0200
parents	79c8a70e1813
children	0d7bb4df2343

rev	line source
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	1 #!/usr/bin/env python3
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	2
4058 adb9dc9c8114 plugin XEP-0167: fix wrong copy/pasted header Goffi <goffi@goffi.org> parents: 4056 diff changeset	3 # Libervia: an XMPP client
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	4 # Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	5
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	6 # This program is free software: you can redistribute it and/or modify
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	7 # it under the terms of the GNU Affero General Public License as published by
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	8 # the Free Software Foundation, either version 3 of the License, or
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	9 # (at your option) any later version.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	10
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	11 # This program is distributed in the hope that it will be useful,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	14 # GNU Affero General Public License for more details.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	15
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	16 # You should have received a copy of the GNU Affero General Public License
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	18
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	19 import base64
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	20 from typing import Any, Dict, Optional
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	21
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	22 from twisted.words.xish import domish
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	23
4071 4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4058 diff changeset	24 from libervia.backend.core.constants import Const as C
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend` Goffi <goffi@goffi.org> parents: 4058 diff changeset	25 from libervia.backend.core.log import getLogger
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	26
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	27 from .constants import NS_JINGLE_RTP
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	28
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	29 log = getLogger(__name__)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	30
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	31 host = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	32
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	33
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	34 def senders_to_sdp(senders: str, session: dict) -> str:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	35 """Returns appropriate SDP attribute corresponding to Jingle senders attribute"""
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	36 if senders == "both":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	37 return "a=sendrecv"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	38 elif senders == "none":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	39 return "a=inactive"
4240 79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	40 elif session["role"] != senders:
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	41 return "a=sendonly"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	42 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	43 return "a=recvonly"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	44
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	45
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	46 def generate_sdp_from_session(
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	47 session: dict, local: bool = False, port: int = 9
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	48 ) -> str:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	49 """Generate an SDP string from session data.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	50
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	51 @param session: A dictionary containing the session data. It should have the
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	52 following structure:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	53
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	54 {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	55 "contents": {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	56 "<content_id>": {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	57 "application_data": {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	58 "media": <str: "audio" or "video">,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	59 "local_data": <media_data dict>,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	60 "peer_data": <media_data dict>,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	61 ...
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	62 },
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	63 "transport_data": {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	64 "local_ice_data": <ice_data dict>,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	65 "peer_ice_data": <ice_data dict>,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	66 ...
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	67 },
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	68 ...
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	69 },
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	70 ...
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	71 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	72 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	73 @param local: A boolean value indicating whether to generate SDP for the local or
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	74 peer entity. If True, the method will generate SDP for the local entity,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	75 otherwise for the peer entity. Generally the local SDP is received from frontends
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	76 and not needed in backend, except for debugging purpose.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	77 @param port: The preferred port for communications.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	78
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	79 @return: The generated SDP string.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	80 """
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	81 contents = session["contents"]
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	82 sdp_lines = ["v=0"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	83
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	84 # Add originator (o=) line after the version (v=) line
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	85 username = base64.b64encode(session["local_jid"].full().encode()).decode()
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	86 session_id = "1" # Increment this for each session
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	87 session_version = "1" # Increment this when the session is updated
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	88 network_type = "IN"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	89 address_type = "IP4"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	90 connection_address = "0.0.0.0"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	91 o_line = (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	92 f"o={username} {session_id} {session_version} {network_type} {address_type} "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	93 f"{connection_address}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	94 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	95 sdp_lines.append(o_line)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	96
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	97 # Add the mandatory "s=" and t=" lines
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	98 sdp_lines.append("s=-")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	99 sdp_lines.append("t=0 0")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	100
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	101 # stream direction
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	102 all_senders = {c["senders"] for c in session["contents"].values()}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	103 # if we don't have a common senders for all contents, we set them at media level
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	104 senders = all_senders.pop() if len(all_senders) == 1 else None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	105
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	106 sdp_lines.append("a=msid-semantic:WMS *")
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	107 sdp_lines.append("a=ice-options:trickle")
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	108
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	109 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	110 "XEP-0167_generate_sdp_session",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	111 session,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	112 local,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	113 sdp_lines,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	114 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	115 )
4240 79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	116 content_names = sorted(contents)
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	117
4240 79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	118 for content_name, content_data in [(n, contents[n]) for n in content_names]: # contents.items():
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	119 app_data_key = "local_data" if local else "peer_data"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	120 application_data = content_data["application_data"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	121 media_data = application_data[app_data_key]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	122 media = application_data["media"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	123 payload_types = media_data.get("payload_types", {})
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	124
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	125 # Generate m= line
4231 e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	126 if media == "application":
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	127 transport = "UDP/DTLS/SCTP"
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	128 m_line = f"m={media} {port} {transport} webrtc-datachannel"
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	129 else:
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	130 transport = "UDP/TLS/RTP/SAVPF"
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	131 payload_type_ids = [str(pt_id) for pt_id in payload_types]
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	132 m_line = f"m={media} {port} {transport} {' '.join(payload_type_ids)}"
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	133 sdp_lines.append(m_line)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	134
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	135 sdp_lines.append(f"c={network_type} {address_type} {connection_address}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	136
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	137 sdp_lines.append(f"a=mid:{content_name}")
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	138 if senders is not None:
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	139 sdp_lines.append(senders_to_sdp(senders, session))
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	140
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	141 # stream direction
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	142 if senders is None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	143 sdp_lines.append(senders_to_sdp(content_data["senders"], session))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	144
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	145
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	146 # Generate a= lines for rtpmap and fmtp
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	147 for pt_id, pt in payload_types.items():
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	148 name = pt["name"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	149 clockrate = pt.get("clockrate", "")
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	150
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	151 # Check if "channels" is in pt and append it to the line
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	152 channels = pt.get("channels")
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	153 if channels:
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	154 sdp_lines.append(f"a=rtpmap:{pt_id} {name}/{clockrate}/{channels}")
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	155 else:
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	156 sdp_lines.append(f"a=rtpmap:{pt_id} {name}/{clockrate}")
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	157
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	158 if "ptime" in pt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	159 sdp_lines.append(f"a=ptime:{pt['ptime']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	160
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	161 if "parameters" in pt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	162 fmtp_params = ";".join([f"{k}={v}" for k, v in pt["parameters"].items()])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	163 sdp_lines.append(f"a=fmtp:{pt_id} {fmtp_params}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	164
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	165 if "bandwidth" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	166 sdp_lines.append(f"a=b:{media_data['bandwidth']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	167
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	168 if media_data.get("rtcp-mux"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	169 sdp_lines.append("a=rtcp-mux")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	170
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	171 # Generate a= lines for fingerprint, ICE ufrag, pwd and candidates
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	172 ice_data_key = "local_ice_data" if local else "peer_ice_data"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	173 ice_data = content_data["transport_data"][ice_data_key]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	174
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	175 if "fingerprint" in ice_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	176 fingerprint_data = ice_data["fingerprint"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	177 sdp_lines.append(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	178 f"a=fingerprint:{fingerprint_data['hash']} "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	179 f"{fingerprint_data['fingerprint']}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	180 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	181 sdp_lines.append(f"a=setup:{fingerprint_data['setup']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	182
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	183 sdp_lines.append(f"a=ice-ufrag:{ice_data['ufrag']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	184 sdp_lines.append(f"a=ice-pwd:{ice_data['pwd']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	185
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	186 for candidate in ice_data["candidates"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	187 foundation = candidate["foundation"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	188 component_id = candidate["component_id"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	189 transport = candidate["transport"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	190 priority = candidate["priority"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	191 address = candidate["address"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	192 candidate_port = candidate["port"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	193 candidate_type = candidate["type"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	194
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	195 candidate_line = (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	196 f"a=candidate:{foundation} {component_id} {transport} {priority} "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	197 f"{address} {candidate_port} typ {candidate_type}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	198 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	199
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	200 if "rel_addr" in candidate and "rel_port" in candidate:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	201 candidate_line += (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	202 f" raddr {candidate['rel_addr']} rport {candidate['rel_port']}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	203 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	204
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	205 if "generation" in candidate:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	206 candidate_line += f" generation {candidate['generation']}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	207
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	208 if "network" in candidate:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	209 candidate_line += f" network {candidate['network']}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	210
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	211 sdp_lines.append(candidate_line)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	212
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	213 # Generate a= lines for encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	214 if "encryption" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	215 for enc_data in media_data["encryption"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	216 crypto_suite = enc_data["crypto-suite"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	217 key_params = enc_data["key-params"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	218 session_params = enc_data.get("session-params", "")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	219 tag = enc_data["tag"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	220
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	221 crypto_line = f"a=crypto:{tag} {crypto_suite} {key_params}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	222 if session_params:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	223 crypto_line += f" {session_params}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	224 sdp_lines.append(crypto_line)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	225
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	226
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	227 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	228 "XEP-0167_generate_sdp_content",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	229 session,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	230 local,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	231 content_name,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	232 content_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	233 sdp_lines,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	234 application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	235 app_data_key,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	236 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	237 media,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	238 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	239 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	240
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	241 # Combine SDP lines and return the result
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	242 return "\r\n".join(sdp_lines) + "\r\n"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	243
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	244
4240 79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	245 def parse_sdp(sdp: str, role: str) -> dict:
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	246 """Parse SDP string.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	247
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	248 @param sdp: The SDP string to parse.
4240 79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	249 @param role: Role of the entities which produces the SDP.
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	250 @return: A dictionary containing parsed session data.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	251 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	252 # FIXME: to be removed once host is accessible from global var
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	253 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	254 lines = sdp.strip().split("\r\n")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	255 # session metadata
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	256 metadata: Dict[str, Any] = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	257 call_data = {"metadata": metadata}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	258
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	259 media_type = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	260 media_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	261 application_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	262 transport_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	263 fingerprint_data: Optional[Dict[str, str]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	264 ice_pwd: Optional[str] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	265 ice_ufrag: Optional[str] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	266 payload_types: Optional[Dict[int, dict]] = None
4240 79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	267 # default value, will be be modified by SDP
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	268 senders: str = "both"
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	269
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	270 for line in lines:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	271 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	272 parts = line.split()
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	273 prefix = parts[0][:2] # Extract the 'a=', 'm=', etc., prefix
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	274 parts[0] = parts[0][2:] # Remove the prefix from the first element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	275
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	276 if prefix == "m=":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	277 media_type = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	278 port = int(parts[1])
4231 e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	279 application_data = {"media": media_type}
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	280 if media_type in ("video", "audio"):
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	281 payload_types = application_data["payload_types"] = {}
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	282 for payload_type_id in [int(pt_id) for pt_id in parts[3:]]:
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	283 payload_type = {"id": payload_type_id}
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	284 payload_types[payload_type_id] = payload_type
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	285 elif media_type == "application":
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	286 if parts[3] != "webrtc-datachannel":
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	287 raise NotImplementedError(
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	288 f"{media_type!r} application is not supported"
e11b13418ba6 plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Goffi <goffi@goffi.org> parents: 4121 diff changeset	289 )
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	290
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	291 transport_data = {"port": port}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	292 if fingerprint_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	293 transport_data["fingerprint"] = fingerprint_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	294 if ice_pwd is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	295 transport_data["pwd"] = ice_pwd
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	296 if ice_ufrag is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	297 transport_data["ufrag"] = ice_ufrag
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	298 media_data = call_data[media_type] = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	299 "application_data": application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	300 "transport_data": transport_data,
4240 79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	301 "senders": senders
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	302 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	303
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	304 elif prefix == "a=":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	305 if ":" in parts[0]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	306 attribute, parts[0] = parts[0].split(":", 1)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	307 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	308 attribute = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	309
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	310 if (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	311 media_type is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	312 or application_data is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	313 or transport_data is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	314 ) and not (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	315 attribute
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	316 in (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	317 "sendrecv",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	318 "sendonly",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	319 "recvonly",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	320 "inactive",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	321 "fingerprint",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	322 "group",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	323 "ice-options",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	324 "msid-semantic",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	325 "ice-pwd",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	326 "ice-ufrag",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	327 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	328 ):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	329 log.warning(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	330 "Received attribute before media description, this is "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	331 f"invalid: {line}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	332 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	333 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	334
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	335 if attribute == "mid":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	336 assert media_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	337 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	338 media_data["id"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	339 except IndexError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	340 log.warning(f"invalid media ID: {line}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	341
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	342 elif attribute == "rtpmap":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	343 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	344 assert payload_types is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	345 pt_id = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	346 codec_info = parts[1].split("/")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	347 codec = codec_info[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	348 clockrate = int(codec_info[1])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	349 payload_type = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	350 "id": pt_id,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	351 "name": codec,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	352 "clockrate": clockrate,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	353 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	354 # Handle optional channel count
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	355 if len(codec_info) > 2:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	356 channels = int(codec_info[2])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	357 payload_type["channels"] = channels
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	358
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	359 payload_types.setdefault(pt_id, {}).update(payload_type)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	360
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	361 elif attribute == "fmtp":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	362 assert payload_types is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	363 pt_id = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	364 params = parts[1].split(";")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	365 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	366 payload_type = payload_types[pt_id]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	367 except KeyError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	368 raise ValueError(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	369 f"Can find content type {pt_id}, ignoring: {line}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	370 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	371
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	372 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	373 payload_type["parameters"] = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	374 name: value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	375 for name, value in (param.split("=") for param in params)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	376 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	377 except ValueError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	378 payload_type.setdefault("exra-parameters", []).extend(params)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	379
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	380 elif attribute == "candidate":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	381 assert transport_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	382 candidate = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	383 "foundation": parts[0],
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	384 "component_id": int(parts[1]),
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	385 "transport": parts[2],
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	386 "priority": int(parts[3]),
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	387 "address": parts[4],
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	388 "port": int(parts[5]),
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	389 "type": parts[7],
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	390 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	391
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	392 for part in parts[8:]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	393 if part == "raddr":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	394 candidate["rel_addr"] = parts[parts.index(part) + 1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	395 elif part == "rport":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	396 candidate["rel_port"] = int(parts[parts.index(part) + 1])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	397 elif part == "generation":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	398 candidate["generation"] = parts[parts.index(part) + 1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	399 elif part == "network":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	400 candidate["network"] = parts[parts.index(part) + 1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	401
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	402 transport_data.setdefault("candidates", []).append(candidate)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	403
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	404 elif attribute == "fingerprint":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	405 algorithm, fingerprint = parts[0], parts[1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	406 fingerprint_data = {"hash": algorithm, "fingerprint": fingerprint}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	407 if transport_data is not None:
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	408 transport_data.setdefault("fingerprint", {}).update(
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	409 fingerprint_data
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	410 )
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	411 elif attribute == "setup":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	412 assert transport_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	413 setup = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	414 transport_data.setdefault("fingerprint", {})["setup"] = setup
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	415
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	416 elif attribute == "b":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	417 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	418 bandwidth = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	419 application_data["bandwidth"] = bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	420
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	421 elif attribute == "rtcp-mux":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	422 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	423 application_data["rtcp-mux"] = True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	424
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	425 elif attribute == "ice-ufrag":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	426 if transport_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	427 transport_data["ufrag"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	428
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	429 elif attribute == "ice-pwd":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	430 if transport_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	431 transport_data["pwd"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	432
4240 79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	433 elif attribute in ("sendrecv", "sendonly", "recvonly", "inactive"):
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	434 if attribute == "sendrecv":
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	435 value = "both"
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	436 elif attribute == "sendonly":
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	437 value = role
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	438 elif attribute == "recvonly":
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	439 value = "responder" if role == "initiator" else "initiator"
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	440 else:
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	441 value = "none"
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	442
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	443 if application_data is None:
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	444 # this is a global value, we use is as new default value
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	445 senders = value
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	446 else:
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	447 # this is a media specific value, it will replace the one used as
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	448 # default for this media
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	449 application_data["senders"] = value
79c8a70e1813 backend, frontend: prepare remote control: Goffi <goffi@goffi.org> parents: 4231 diff changeset	450
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	451 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	452 "XEP-0167_parse_sdp_a",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	453 attribute,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	454 parts,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	455 call_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	456 metadata,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	457 media_type,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	458 application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	459 transport_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	460 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	461 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	462
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	463 except ValueError as e:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	464 raise ValueError(f"Could not parse line. Invalid format ({e}): {line}") from e
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	465 except IndexError as e:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	466 raise IndexError(f"Incomplete line. Missing data: {line}") from e
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	467
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	468 # we remove private data (data starting with _, used by some plugins (e.g. XEP-0294)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	469 # to handle session data at media level))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	470 for key in [k for k in call_data if k.startswith("_")]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	471 log.debug(f"cleaning remaining private data {key!r}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	472 del call_data[key]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	473
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	474 # FIXME: is this really useful?
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	475 # ICE candidates may only be specified for the first media, this
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	476 # duplicate the candidate for the other in this case
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	477 all_media = {k:v for k,v in call_data.items() if k in ("audio", "video")}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	478 if len(all_media) > 1 and not all(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	479 "candidates" in c["transport_data"] for c in all_media.values()
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	480 ):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	481 first_content = next(iter(all_media.values()))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	482 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	483 ice_candidates = first_content["transport_data"]["candidates"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	484 except KeyError:
4116 23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet Goffi <goffi@goffi.org> parents: 4071 diff changeset	485 ice_candidates = []
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet Goffi <goffi@goffi.org> parents: 4071 diff changeset	486 for idx, content in enumerate(all_media.values()):
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet Goffi <goffi@goffi.org> parents: 4071 diff changeset	487 if idx == 0:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet Goffi <goffi@goffi.org> parents: 4071 diff changeset	488 continue
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet Goffi <goffi@goffi.org> parents: 4071 diff changeset	489 content["transport_data"].setdefault("candidates", ice_candidates)
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	490
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	491 return call_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	492
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	493
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	494 def build_description(media: str, media_data: dict, session: dict) -> domish.Element:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	495 """Generate <description> element from media data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	496
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	497 @param media: media type ("audio" or "video")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	498
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	499 @param media_data: A dictionary containing the media description data.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	500 The keys and values are described below:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	501
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	502 - ssrc (str, optional): The synchronization source identifier.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	503 - payload_types (list): A list of dictionaries, each representing a payload
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	504 type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	505 Each dictionary may contain the following keys:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	506 - channels (str, optional): Number of audio channels.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	507 - clockrate (str, optional): Clock rate of the media.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	508 - id (str): The unique identifier of the payload type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	509 - maxptime (str, optional): Maximum packet time.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	510 - name (str, optional): Name of the codec.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	511 - ptime (str, optional): Preferred packet time.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	512 - parameters (dict, optional): A dictionary of codec-specific parameters.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	513 Key-value pairs represent the parameter name and value, respectively.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	514 - bandwidth (str, optional): The bandwidth type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	515 - rtcp-mux (bool, optional): Indicates whether RTCP multiplexing is enabled or
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	516 not.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	517 - encryption (list, optional): A list of dictionaries, each representing an
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	518 encryption method.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	519 Each dictionary may contain the following keys:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	520 - tag (str): The unique identifier of the encryption method.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	521 - crypto-suite (str): The encryption suite in use.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	522 - key-params (str): Key parameters for the encryption suite.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	523 - session-params (str, optional): Session parameters for the encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	524 suite.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	525
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	526 @return: A <description> element.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	527 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	528 # FIXME: to be removed once host is accessible from global var
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	529 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	530
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	531 desc_elt = domish.Element((NS_JINGLE_RTP, "description"), attribs={"media": media})
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	532
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	533 for pt_id, pt_data in media_data.get("payload_types", {}).items():
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	534 payload_type_elt = desc_elt.addElement("payload-type")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	535 payload_type_elt["id"] = str(pt_id)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	536 for attr in ["channels", "clockrate", "maxptime", "name", "ptime"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	537 if attr in pt_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	538 payload_type_elt[attr] = str(pt_data[attr])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	539
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	540 if "parameters" in pt_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	541 for param_name, param_value in pt_data["parameters"].items():
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	542 param_elt = payload_type_elt.addElement("parameter")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	543 param_elt["name"] = param_name
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	544 param_elt["value"] = param_value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	545 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	546 "XEP-0167_build_description_payload_type",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	547 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	548 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	549 pt_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	550 payload_type_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	551 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	552 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	553
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	554 if "bandwidth" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	555 bandwidth_elt = desc_elt.addElement("bandwidth")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	556 bandwidth_elt["type"] = media_data["bandwidth"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	557
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	558 if media_data.get("rtcp-mux"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	559 desc_elt.addElement("rtcp-mux")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	560
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	561 # Add encryption element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	562 if "encryption" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	563 encryption_elt = desc_elt.addElement("encryption")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	564 # we always want require encryption if the `encryption` data is present
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	565 encryption_elt["required"] = "1"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	566 for enc_data in media_data["encryption"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	567 crypto_elt = encryption_elt.addElement("crypto")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	568 for attr in ["tag", "crypto-suite", "key-params", "session-params"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	569 if attr in enc_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	570 crypto_elt[attr] = enc_data[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	571
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	572 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	573 "XEP-0167_build_description",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	574 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	575 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	576 session,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	577 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	578 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	579
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	580 return desc_elt
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	581
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	582
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	583 def parse_description(desc_elt: domish.Element) -> dict:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	584 """Parse <desciption> to a dict
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	585
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	586 @param desc_elt: <description> element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	587 @return: media data as in [build_description]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	588 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	589 # FIXME: to be removed once host is accessible from global var
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	590 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	591
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	592 media_data = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	593 if desc_elt.hasAttribute("ssrc"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	594 media_data.setdefault("ssrc", {})[desc_elt["ssrc"]] = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	595
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	596 payload_types = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	597 for payload_type_elt in desc_elt.elements(NS_JINGLE_RTP, "payload-type"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	598 payload_type_data = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	599 attr: payload_type_elt[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	600 for attr in [
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	601 "channels",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	602 "clockrate",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	603 "maxptime",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	604 "name",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	605 "ptime",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	606 ]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	607 if payload_type_elt.hasAttribute(attr)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	608 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	609 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	610 pt_id = int(payload_type_elt["id"])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	611 except KeyError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	612 log.warning(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	613 f"missing ID in payload type, ignoring: {payload_type_elt.toXml()}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	614 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	615 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	616
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	617 parameters = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	618 for param_elt in payload_type_elt.elements(NS_JINGLE_RTP, "parameter"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	619 param_name = param_elt.getAttribute("name")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	620 param_value = param_elt.getAttribute("value")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	621 if not param_name or param_value is None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	622 log.warning(f"invalid parameter: {param_elt.toXml()}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	623 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	624 parameters[param_name] = param_value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	625
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	626 if parameters:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	627 payload_type_data["parameters"] = parameters
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	628
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	629 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	630 "XEP-0167_parse_description_payload_type",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	631 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	632 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	633 payload_type_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	634 payload_type_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	635 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	636 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	637 payload_types[pt_id] = payload_type_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	638
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	639 # bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	640 media_data["payload_types"] = payload_types
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	641 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	642 bandwidth_elt = next(desc_elt.elements(NS_JINGLE_RTP, "bandwidth"))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	643 except StopIteration:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	644 pass
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	645 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	646 bandwidth = bandwidth_elt.getAttribute("type")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	647 if not bandwidth:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	648 log.warning(f"invalid bandwidth: {bandwidth_elt.toXml}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	649 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	650 media_data["bandwidth"] = bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	651
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	652 # rtcp-mux
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	653 rtcp_mux_elt = next(desc_elt.elements(NS_JINGLE_RTP, "rtcp-mux"), None)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	654 media_data["rtcp-mux"] = rtcp_mux_elt is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	655
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	656 # Encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	657 encryption_data = []
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	658 encryption_elt = next(desc_elt.elements(NS_JINGLE_RTP, "encryption"), None)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	659 if encryption_elt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	660 media_data["encryption_required"] = C.bool(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	661 encryption_elt.getAttribute("required", C.BOOL_FALSE)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	662 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	663
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	664 for crypto_elt in encryption_elt.elements(NS_JINGLE_RTP, "crypto"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	665 crypto_data = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	666 attr: crypto_elt[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	667 for attr in [
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	668 "crypto-suite",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	669 "key-params",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	670 "session-params",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	671 "tag",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	672 ]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	673 if crypto_elt.hasAttribute(attr)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	674 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	675 encryption_data.append(crypto_data)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	676
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	677 if encryption_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	678 media_data["encryption"] = encryption_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	679
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	680 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	681 "XEP-0167_parse_description",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	682 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	683 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	684 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	685 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	686
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	687 return media_data

Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0167/mapping.py @ 4249:ba46d6a0ff3a