libervia-backend: libervia/backend/plugins/plugin_xep

annotate libervia/backend/plugins/plugin_xep_0167/mapping.py @ 4121:b2709504586a

plugin XEP-0167: mapping adjustments: - use `9` as port placeholder - add `a=ice-options:trickle` to indicate that ICE candidates may be sent after SDP - moved senders mapping at media level - fix `rtpmap` channel setting - don't overwrite existing `fingerprint` data rel 424

author	Goffi <goffi@goffi.org>
date	Tue, 03 Oct 2023 15:25:52 +0200
parents	23fa52acf72c
children	e11b13418ba6

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"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	40 elif session["role"] == senders:
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 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	116
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	117 for content_name, content_data in contents.items():
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	118 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	119 application_data = content_data["application_data"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	120 media_data = application_data[app_data_key]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	121 media = application_data["media"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	122 payload_types = media_data.get("payload_types", {})
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	123
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	124 # Generate m= line
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	125 transport = "UDP/TLS/RTP/SAVPF"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	126 payload_type_ids = [str(pt_id) for pt_id in payload_types]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	127 m_line = f"m={media} {port} {transport} {' '.join(payload_type_ids)}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	128 sdp_lines.append(m_line)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	129
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	130 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	131
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	132 sdp_lines.append(f"a=mid:{content_name}")
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	133 if senders is not None:
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	134 sdp_lines.append(senders_to_sdp(senders, session))
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	135
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	136 # stream direction
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	137 if senders is None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	138 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	139
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	140
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	141 # Generate a= lines for rtpmap and fmtp
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	142 for pt_id, pt in payload_types.items():
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	143 name = pt["name"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	144 clockrate = pt.get("clockrate", "")
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	145
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	146 # 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	147 channels = pt.get("channels")
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	148 if channels:
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	149 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	150 else:
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	151 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	152
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	153 if "ptime" in pt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	154 sdp_lines.append(f"a=ptime:{pt['ptime']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	155
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	156 if "parameters" in pt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	157 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	158 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	159
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	160 if "bandwidth" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	161 sdp_lines.append(f"a=b:{media_data['bandwidth']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	162
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	163 if media_data.get("rtcp-mux"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	164 sdp_lines.append("a=rtcp-mux")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	165
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	166 # 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	167 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	168 ice_data = content_data["transport_data"][ice_data_key]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	169
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	170 if "fingerprint" in ice_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	171 fingerprint_data = ice_data["fingerprint"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	172 sdp_lines.append(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	173 f"a=fingerprint:{fingerprint_data['hash']} "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	174 f"{fingerprint_data['fingerprint']}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	175 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	176 sdp_lines.append(f"a=setup:{fingerprint_data['setup']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	177
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	178 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	179 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	180
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	181 for candidate in ice_data["candidates"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	182 foundation = candidate["foundation"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	183 component_id = candidate["component_id"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	184 transport = candidate["transport"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	185 priority = candidate["priority"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	186 address = candidate["address"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	187 candidate_port = candidate["port"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	188 candidate_type = candidate["type"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	189
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	190 candidate_line = (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	191 f"a=candidate:{foundation} {component_id} {transport} {priority} "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	192 f"{address} {candidate_port} typ {candidate_type}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	193 )
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 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	196 candidate_line += (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	197 f" raddr {candidate['rel_addr']} rport {candidate['rel_port']}"
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 "generation" in candidate:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	201 candidate_line += f" generation {candidate['generation']}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	202
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	203 if "network" in candidate:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	204 candidate_line += f" network {candidate['network']}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	205
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	206 sdp_lines.append(candidate_line)
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 # Generate a= lines for encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	209 if "encryption" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	210 for enc_data in media_data["encryption"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	211 crypto_suite = enc_data["crypto-suite"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	212 key_params = enc_data["key-params"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	213 session_params = enc_data.get("session-params", "")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	214 tag = enc_data["tag"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	215
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	216 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	217 if session_params:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	218 crypto_line += f" {session_params}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	219 sdp_lines.append(crypto_line)
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
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	222 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	223 "XEP-0167_generate_sdp_content",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	224 session,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	225 local,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	226 content_name,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	227 content_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	228 sdp_lines,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	229 application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	230 app_data_key,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	231 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	232 media,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	233 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	234 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	235
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	236 # Combine SDP lines and return the result
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	237 return "\r\n".join(sdp_lines) + "\r\n"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	238
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 def parse_sdp(sdp: str) -> dict:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	241 """Parse SDP string.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	242
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	243 @param sdp: The SDP string to parse.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	244
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	245 @return: A dictionary containing parsed session data.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	246 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	247 # 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	248 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	249 lines = sdp.strip().split("\r\n")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	250 # session metadata
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	251 metadata: Dict[str, Any] = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	252 call_data = {"metadata": metadata}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	253
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	254 media_type = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	255 media_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	256 application_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	257 transport_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	258 fingerprint_data: Optional[Dict[str, str]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	259 ice_pwd: Optional[str] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	260 ice_ufrag: Optional[str] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	261 payload_types: Optional[Dict[int, dict]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	262
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	263 for line in lines:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	264 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	265 parts = line.split()
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	266 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	267 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	268
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	269 if prefix == "m=":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	270 media_type = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	271 port = int(parts[1])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	272 payload_types = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	273 for payload_type_id in [int(pt_id) for pt_id in parts[3:]]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	274 payload_type = {"id": payload_type_id}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	275 payload_types[payload_type_id] = payload_type
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	276
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	277 application_data = {"media": media_type, "payload_types": payload_types}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	278 transport_data = {"port": port}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	279 if fingerprint_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	280 transport_data["fingerprint"] = fingerprint_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	281 if ice_pwd is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	282 transport_data["pwd"] = ice_pwd
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	283 if ice_ufrag is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	284 transport_data["ufrag"] = ice_ufrag
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	285 media_data = call_data[media_type] = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	286 "application_data": application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	287 "transport_data": transport_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	288 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	289
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	290 elif prefix == "a=":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	291 if ":" in parts[0]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	292 attribute, parts[0] = parts[0].split(":", 1)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	293 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	294 attribute = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	295
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	296 if (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	297 media_type is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	298 or application_data is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	299 or transport_data is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	300 ) and not (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	301 attribute
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	302 in (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	303 "sendrecv",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	304 "sendonly",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	305 "recvonly",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	306 "inactive",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	307 "fingerprint",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	308 "group",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	309 "ice-options",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	310 "msid-semantic",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	311 "ice-pwd",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	312 "ice-ufrag",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	313 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	314 ):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	315 log.warning(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	316 "Received attribute before media description, this is "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	317 f"invalid: {line}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	318 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	319 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	320
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	321 if attribute == "mid":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	322 assert media_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	323 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	324 media_data["id"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	325 except IndexError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	326 log.warning(f"invalid media ID: {line}")
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 elif attribute == "rtpmap":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	329 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	330 assert payload_types is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	331 pt_id = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	332 codec_info = parts[1].split("/")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	333 codec = codec_info[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	334 clockrate = int(codec_info[1])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	335 payload_type = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	336 "id": pt_id,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	337 "name": codec,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	338 "clockrate": clockrate,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	339 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	340 # Handle optional channel count
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	341 if len(codec_info) > 2:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	342 channels = int(codec_info[2])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	343 payload_type["channels"] = channels
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	344
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	345 payload_types.setdefault(pt_id, {}).update(payload_type)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	346
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	347 elif attribute == "fmtp":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	348 assert payload_types is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	349 pt_id = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	350 params = parts[1].split(";")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	351 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	352 payload_type = payload_types[pt_id]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	353 except KeyError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	354 raise ValueError(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	355 f"Can find content type {pt_id}, ignoring: {line}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	356 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	357
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	358 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	359 payload_type["parameters"] = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	360 name: value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	361 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	362 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	363 except ValueError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	364 payload_type.setdefault("exra-parameters", []).extend(params)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	365
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	366 elif attribute == "candidate":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	367 assert transport_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	368 candidate = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	369 "foundation": parts[0],
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	370 "component_id": int(parts[1]),
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	371 "transport": parts[2],
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	372 "priority": int(parts[3]),
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	373 "address": parts[4],
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	374 "port": int(parts[5]),
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	375 "type": parts[7],
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
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	378 for part in parts[8:]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	379 if part == "raddr":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	380 candidate["rel_addr"] = parts[parts.index(part) + 1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	381 elif part == "rport":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	382 candidate["rel_port"] = int(parts[parts.index(part) + 1])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	383 elif part == "generation":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	384 candidate["generation"] = parts[parts.index(part) + 1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	385 elif part == "network":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	386 candidate["network"] = parts[parts.index(part) + 1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	387
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	388 transport_data.setdefault("candidates", []).append(candidate)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	389
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	390 elif attribute == "fingerprint":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	391 algorithm, fingerprint = parts[0], parts[1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	392 fingerprint_data = {"hash": algorithm, "fingerprint": fingerprint}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	393 if transport_data is not None:
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	394 transport_data.setdefault("fingerprint", {}).update(
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	395 fingerprint_data
b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	396 )
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	397 elif attribute == "setup":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	398 assert transport_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	399 setup = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	400 transport_data.setdefault("fingerprint", {})["setup"] = setup
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 elif attribute == "b":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	403 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	404 bandwidth = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	405 application_data["bandwidth"] = bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	406
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	407 elif attribute == "rtcp-mux":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	408 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	409 application_data["rtcp-mux"] = True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	410
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	411 elif attribute == "ice-ufrag":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	412 if transport_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	413 transport_data["ufrag"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	414
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	415 elif attribute == "ice-pwd":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	416 if transport_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	417 transport_data["pwd"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	418
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	419 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	420 "XEP-0167_parse_sdp_a",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	421 attribute,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	422 parts,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	423 call_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	424 metadata,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	425 media_type,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	426 application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	427 transport_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	428 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	429 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	430
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	431 except ValueError as e:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	432 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	433 except IndexError as e:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	434 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	435
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	436 # 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	437 # to handle session data at media level))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	438 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	439 log.debug(f"cleaning remaining private data {key!r}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	440 del call_data[key]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	441
4121 b2709504586a plugin XEP-0167: mapping adjustments: Goffi <goffi@goffi.org> parents: 4116 diff changeset	442 # FIXME: is this really useful?
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	443 # 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	444 # duplicate the candidate for the other in this case
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	445 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	446 if len(all_media) > 1 and not all(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	447 "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	448 ):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	449 first_content = next(iter(all_media.values()))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	450 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	451 ice_candidates = first_content["transport_data"]["candidates"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	452 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	453 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	454 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	455 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	456 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	457 content["transport_data"].setdefault("candidates", ice_candidates)
4056 1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	458
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	459 return call_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	460
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 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	463 """Generate <description> element from media data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	464
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	465 @param media: media type ("audio" or "video")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	466
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	467 @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	468 The keys and values are described below:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	469
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	470 - ssrc (str, optional): The synchronization source identifier.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	471 - 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	472 type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	473 Each dictionary may contain the following keys:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	474 - channels (str, optional): Number of audio channels.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	475 - clockrate (str, optional): Clock rate of the media.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	476 - id (str): The unique identifier of the payload type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	477 - maxptime (str, optional): Maximum packet time.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	478 - name (str, optional): Name of the codec.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	479 - ptime (str, optional): Preferred packet time.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	480 - parameters (dict, optional): A dictionary of codec-specific parameters.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	481 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	482 - bandwidth (str, optional): The bandwidth type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	483 - 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	484 not.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	485 - 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	486 encryption method.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	487 Each dictionary may contain the following keys:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	488 - tag (str): The unique identifier of the encryption method.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	489 - crypto-suite (str): The encryption suite in use.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	490 - key-params (str): Key parameters for the encryption suite.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	491 - session-params (str, optional): Session parameters for the encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	492 suite.
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 @return: A <description> element.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	495 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	496 # 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	497 assert host is not None
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 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	500
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	501 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	502 payload_type_elt = desc_elt.addElement("payload-type")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	503 payload_type_elt["id"] = str(pt_id)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	504 for attr in ["channels", "clockrate", "maxptime", "name", "ptime"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	505 if attr in pt_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	506 payload_type_elt[attr] = str(pt_data[attr])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	507
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	508 if "parameters" in pt_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	509 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	510 param_elt = payload_type_elt.addElement("parameter")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	511 param_elt["name"] = param_name
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	512 param_elt["value"] = param_value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	513 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	514 "XEP-0167_build_description_payload_type",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	515 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	516 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	517 pt_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	518 payload_type_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	519 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	520 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	521
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	522 if "bandwidth" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	523 bandwidth_elt = desc_elt.addElement("bandwidth")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	524 bandwidth_elt["type"] = media_data["bandwidth"]
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 if media_data.get("rtcp-mux"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	527 desc_elt.addElement("rtcp-mux")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	528
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	529 # Add encryption element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	530 if "encryption" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	531 encryption_elt = desc_elt.addElement("encryption")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	532 # 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	533 encryption_elt["required"] = "1"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	534 for enc_data in media_data["encryption"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	535 crypto_elt = encryption_elt.addElement("crypto")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	536 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	537 if attr in enc_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	538 crypto_elt[attr] = enc_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 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	541 "XEP-0167_build_description",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	542 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	543 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	544 session,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	545 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	546 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	547
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	548 return desc_elt
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	549
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	550
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	551 def parse_description(desc_elt: domish.Element) -> dict:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	552 """Parse <desciption> to a dict
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 @param desc_elt: <description> element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	555 @return: media data as in [build_description]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	556 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	557 # 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	558 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	559
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	560 media_data = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	561 if desc_elt.hasAttribute("ssrc"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	562 media_data.setdefault("ssrc", {})[desc_elt["ssrc"]] = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	563
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	564 payload_types = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	565 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	566 payload_type_data = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	567 attr: payload_type_elt[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	568 for attr in [
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	569 "channels",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	570 "clockrate",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	571 "maxptime",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	572 "name",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	573 "ptime",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	574 ]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	575 if payload_type_elt.hasAttribute(attr)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	576 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	577 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	578 pt_id = int(payload_type_elt["id"])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	579 except KeyError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	580 log.warning(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	581 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	582 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	583 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	584
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	585 parameters = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	586 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	587 param_name = param_elt.getAttribute("name")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	588 param_value = param_elt.getAttribute("value")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	589 if not param_name or param_value is None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	590 log.warning(f"invalid parameter: {param_elt.toXml()}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	591 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	592 parameters[param_name] = param_value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	593
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	594 if parameters:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	595 payload_type_data["parameters"] = parameters
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	596
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	597 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	598 "XEP-0167_parse_description_payload_type",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	599 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	600 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	601 payload_type_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	602 payload_type_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	603 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	604 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	605 payload_types[pt_id] = payload_type_data
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 # bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	608 media_data["payload_types"] = payload_types
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 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	611 except StopIteration:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	612 pass
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	613 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	614 bandwidth = bandwidth_elt.getAttribute("type")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	615 if not bandwidth:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	616 log.warning(f"invalid bandwidth: {bandwidth_elt.toXml}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	617 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	618 media_data["bandwidth"] = bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	619
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	620 # rtcp-mux
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	621 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	622 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	623
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	624 # Encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	625 encryption_data = []
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	626 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	627 if encryption_elt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	628 media_data["encryption_required"] = C.bool(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	629 encryption_elt.getAttribute("required", C.BOOL_FALSE)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	630 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	631
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	632 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	633 crypto_data = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	634 attr: crypto_elt[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	635 for attr in [
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	636 "crypto-suite",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	637 "key-params",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	638 "session-params",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	639 "tag",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	640 ]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	641 if crypto_elt.hasAttribute(attr)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	642 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	643 encryption_data.append(crypto_data)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	644
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	645 if encryption_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	646 media_data["encryption"] = encryption_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	647
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	648 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	649 "XEP-0167_parse_description",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	650 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	651 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	652 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	653 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	654
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	655 return media_data

Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0167/mapping.py @ 4121:b2709504586a