libervia-backend: libervia/backend/plugins/plugin_xep

annotate libervia/backend/plugins/plugin_xep_0167/mapping.py @ 4095:684ba556a617

core (memory/sqla_mapping): fix legacy pickled values: folloing packages refactoring, legacy pickled values could not be unpickled (due to use of old classes). This temporary workaround fix it, but the right thing to do will be to move from pickle to JSON at some point.

author	Goffi <goffi@goffi.org>
date	Mon, 12 Jun 2023 14:57:27 +0200
parents	4b842c1fb686
children	23fa52acf72c

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(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	47 session: dict, local: bool = False, port: int = 9999
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 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	81 sdp_lines = ["v=0"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	82
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	83 # Add originator (o=) line after the version (v=) line
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	84 username = base64.b64encode(session["local_jid"].full().encode()).decode()
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	85 session_id = "1" # Increment this for each session
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	86 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	87 network_type = "IN"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	88 address_type = "IP4"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	89 connection_address = "0.0.0.0"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	90 o_line = (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	91 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	92 f"{connection_address}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	93 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	94 sdp_lines.append(o_line)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	95
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	96 # Add the mandatory "s=" and t=" lines
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	97 sdp_lines.append("s=-")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	98 sdp_lines.append("t=0 0")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	99
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	100 # stream direction
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	101 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	102 # 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	103 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	104 if senders is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	105 sdp_lines.append(senders_to_sdp(senders, session))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	106
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	107 sdp_lines.append("a=msid-semantic:WMS *")
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 contents = session["contents"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	118 for content_name, content_data in contents.items():
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	119 app_data_key = "local_data" if local else "peer_data"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	120 application_data = content_data["application_data"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	121 media_data = application_data[app_data_key]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	122 media = application_data["media"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	123 payload_types = media_data.get("payload_types", {})
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	124
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	125 # Generate m= line
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	126 transport = "UDP/TLS/RTP/SAVPF"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	127 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	128 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	129 sdp_lines.append(m_line)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	130
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	131 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	132
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	133 sdp_lines.append(f"a=mid:{content_name}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	134
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	135 # stream direction
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	136 if senders is None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	137 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	138
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	139 # Generate a= lines for rtpmap and fmtp
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	140 for pt_id, pt in payload_types.items():
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	141 name = pt["name"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	142 clockrate = pt.get("clockrate", "")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	143 sdp_lines.append(f"a=rtpmap:{pt_id} {name}/{clockrate}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	144
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	145 if "ptime" in pt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	146 sdp_lines.append(f"a=ptime:{pt['ptime']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	147
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	148 if "parameters" in pt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	149 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	150 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	151
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	152 if "bandwidth" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	153 sdp_lines.append(f"a=b:{media_data['bandwidth']}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	154
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	155 if media_data.get("rtcp-mux"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	156 sdp_lines.append("a=rtcp-mux")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	157
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	158 # 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	159 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	160 ice_data = content_data["transport_data"][ice_data_key]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	161
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	162 if "fingerprint" in ice_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	163 fingerprint_data = ice_data["fingerprint"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	164 sdp_lines.append(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	165 f"a=fingerprint:{fingerprint_data['hash']} "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	166 f"{fingerprint_data['fingerprint']}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	167 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	168 sdp_lines.append(f"a=setup:{fingerprint_data['setup']}")
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 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	171 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	172
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	173 for candidate in ice_data["candidates"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	174 foundation = candidate["foundation"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	175 component_id = candidate["component_id"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	176 transport = candidate["transport"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	177 priority = candidate["priority"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	178 address = candidate["address"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	179 candidate_port = candidate["port"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	180 candidate_type = candidate["type"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	181
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	182 candidate_line = (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	183 f"a=candidate:{foundation} {component_id} {transport} {priority} "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	184 f"{address} {candidate_port} typ {candidate_type}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	185 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	186
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	187 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	188 candidate_line += (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	189 f" raddr {candidate['rel_addr']} rport {candidate['rel_port']}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	190 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	191
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	192 if "generation" in candidate:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	193 candidate_line += f" generation {candidate['generation']}"
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 "network" in candidate:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	196 candidate_line += f" network {candidate['network']}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	197
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	198 sdp_lines.append(candidate_line)
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 # Generate a= lines for encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	201 if "encryption" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	202 for enc_data in media_data["encryption"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	203 crypto_suite = enc_data["crypto-suite"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	204 key_params = enc_data["key-params"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	205 session_params = enc_data.get("session-params", "")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	206 tag = enc_data["tag"]
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 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	209 if session_params:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	210 crypto_line += f" {session_params}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	211 sdp_lines.append(crypto_line)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	212
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	213
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	214 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	215 "XEP-0167_generate_sdp_content",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	216 session,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	217 local,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	218 content_name,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	219 content_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	220 sdp_lines,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	221 application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	222 app_data_key,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	223 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	224 media,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	225 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	226 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	227
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	228 # Combine SDP lines and return the result
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	229 return "\r\n".join(sdp_lines) + "\r\n"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	230
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	231
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	232 def parse_sdp(sdp: str) -> dict:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	233 """Parse SDP string.
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 @param sdp: The SDP string to parse.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	236
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	237 @return: A dictionary containing parsed session data.
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 # 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	240 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	241 lines = sdp.strip().split("\r\n")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	242 # session metadata
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	243 metadata: Dict[str, Any] = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	244 call_data = {"metadata": metadata}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	245
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	246 media_type = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	247 media_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	248 application_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	249 transport_data: Optional[Dict[str, Any]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	250 fingerprint_data: Optional[Dict[str, str]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	251 ice_pwd: Optional[str] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	252 ice_ufrag: Optional[str] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	253 payload_types: Optional[Dict[int, dict]] = None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	254
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	255 for line in lines:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	256 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	257 parts = line.split()
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	258 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	259 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	260
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	261 if prefix == "m=":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	262 media_type = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	263 port = int(parts[1])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	264 payload_types = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	265 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	266 payload_type = {"id": payload_type_id}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	267 payload_types[payload_type_id] = payload_type
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 application_data = {"media": media_type, "payload_types": payload_types}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	270 transport_data = {"port": port}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	271 if fingerprint_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	272 transport_data["fingerprint"] = fingerprint_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	273 if ice_pwd is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	274 transport_data["pwd"] = ice_pwd
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	275 if ice_ufrag is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	276 transport_data["ufrag"] = ice_ufrag
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	277 media_data = call_data[media_type] = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	278 "application_data": application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	279 "transport_data": transport_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	280 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	281
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	282 elif prefix == "a=":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	283 if ":" in parts[0]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	284 attribute, parts[0] = parts[0].split(":", 1)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	285 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	286 attribute = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	287
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	288 if (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	289 media_type is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	290 or application_data is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	291 or transport_data is None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	292 ) and not (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	293 attribute
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	294 in (
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	295 "sendrecv",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	296 "sendonly",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	297 "recvonly",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	298 "inactive",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	299 "fingerprint",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	300 "group",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	301 "ice-options",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	302 "msid-semantic",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	303 "ice-pwd",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	304 "ice-ufrag",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	305 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	306 ):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	307 log.warning(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	308 "Received attribute before media description, this is "
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	309 f"invalid: {line}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	310 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	311 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	312
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	313 if attribute == "mid":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	314 assert media_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	315 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	316 media_data["id"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	317 except IndexError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	318 log.warning(f"invalid media ID: {line}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	319
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	320 elif attribute == "rtpmap":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	321 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	322 assert payload_types is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	323 pt_id = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	324 codec_info = parts[1].split("/")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	325 codec = codec_info[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	326 clockrate = int(codec_info[1])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	327 payload_type = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	328 "id": pt_id,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	329 "name": codec,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	330 "clockrate": clockrate,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	331 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	332 # Handle optional channel count
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	333 if len(codec_info) > 2:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	334 channels = int(codec_info[2])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	335 payload_type["channels"] = channels
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	336
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	337 payload_types.setdefault(pt_id, {}).update(payload_type)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	338
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	339 elif attribute == "fmtp":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	340 assert payload_types is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	341 pt_id = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	342 params = parts[1].split(";")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	343 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	344 payload_type = payload_types[pt_id]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	345 except KeyError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	346 raise ValueError(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	347 f"Can find content type {pt_id}, ignoring: {line}"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	348 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	349
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	350 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	351 payload_type["parameters"] = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	352 name: value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	353 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	354 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	355 except ValueError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	356 payload_type.setdefault("exra-parameters", []).extend(params)
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 elif attribute == "candidate":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	359 assert transport_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	360 candidate = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	361 "foundation": parts[0],
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	362 "component_id": int(parts[1]),
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	363 "transport": parts[2],
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	364 "priority": int(parts[3]),
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	365 "address": parts[4],
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	366 "port": int(parts[5]),
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	367 "type": parts[7],
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	368 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	369
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	370 for part in parts[8:]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	371 if part == "raddr":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	372 candidate["rel_addr"] = parts[parts.index(part) + 1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	373 elif part == "rport":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	374 candidate["rel_port"] = int(parts[parts.index(part) + 1])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	375 elif part == "generation":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	376 candidate["generation"] = parts[parts.index(part) + 1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	377 elif part == "network":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	378 candidate["network"] = parts[parts.index(part) + 1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	379
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	380 transport_data.setdefault("candidates", []).append(candidate)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	381
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	382 elif attribute == "fingerprint":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	383 algorithm, fingerprint = parts[0], parts[1]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	384 fingerprint_data = {"hash": algorithm, "fingerprint": fingerprint}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	385 if transport_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	386 transport_data["fingerprint"] = fingerprint_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	387 elif attribute == "setup":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	388 assert transport_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	389 setup = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	390 transport_data.setdefault("fingerprint", {})["setup"] = setup
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	391
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	392 elif attribute == "b":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	393 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	394 bandwidth = int(parts[0])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	395 application_data["bandwidth"] = bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	396
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	397 elif attribute == "rtcp-mux":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	398 assert application_data is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	399 application_data["rtcp-mux"] = True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	400
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	401 elif attribute == "ice-ufrag":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	402 if transport_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	403 transport_data["ufrag"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	404
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	405 elif attribute == "ice-pwd":
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	406 if transport_data is not None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	407 transport_data["pwd"] = parts[0]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	408
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	409 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	410 "XEP-0167_parse_sdp_a",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	411 attribute,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	412 parts,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	413 call_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	414 metadata,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	415 media_type,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	416 application_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	417 transport_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	418 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	419 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	420
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	421 except ValueError as e:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	422 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	423 except IndexError as e:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	424 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	425
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	426 # 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	427 # to handle session data at media level))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	428 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	429 log.debug(f"cleaning remaining private data {key!r}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	430 del call_data[key]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	431
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	432 # 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	433 # duplicate the candidate for the other in this case
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	434 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	435 if len(all_media) > 1 and not all(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	436 "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	437 ):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	438 first_content = next(iter(all_media.values()))
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	439 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	440 ice_candidates = first_content["transport_data"]["candidates"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	441 except KeyError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	442 log.warning("missing candidates in SDP")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	443 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	444 for idx, content in enumerate(all_media.values()):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	445 if idx == 0:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	446 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	447 content["transport_data"].setdefault("candidates", ice_candidates)
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 return call_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	450
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	451
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	452 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	453 """Generate <description> element from media data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	454
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	455 @param media: media type ("audio" or "video")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	456
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	457 @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	458 The keys and values are described below:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	459
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	460 - ssrc (str, optional): The synchronization source identifier.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	461 - 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	462 type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	463 Each dictionary may contain the following keys:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	464 - channels (str, optional): Number of audio channels.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	465 - clockrate (str, optional): Clock rate of the media.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	466 - id (str): The unique identifier of the payload type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	467 - maxptime (str, optional): Maximum packet time.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	468 - name (str, optional): Name of the codec.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	469 - ptime (str, optional): Preferred packet time.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	470 - parameters (dict, optional): A dictionary of codec-specific parameters.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	471 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	472 - bandwidth (str, optional): The bandwidth type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	473 - 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	474 not.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	475 - 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	476 encryption method.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	477 Each dictionary may contain the following keys:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	478 - tag (str): The unique identifier of the encryption method.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	479 - crypto-suite (str): The encryption suite in use.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	480 - key-params (str): Key parameters for the encryption suite.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	481 - session-params (str, optional): Session parameters for the encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	482 suite.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	483
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	484 @return: A <description> element.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	485 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	486 # 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	487 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	488
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	489 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	490
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	491 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	492 payload_type_elt = desc_elt.addElement("payload-type")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	493 payload_type_elt["id"] = str(pt_id)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	494 for attr in ["channels", "clockrate", "maxptime", "name", "ptime"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	495 if attr in pt_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	496 payload_type_elt[attr] = str(pt_data[attr])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	497
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	498 if "parameters" in pt_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	499 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	500 param_elt = payload_type_elt.addElement("parameter")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	501 param_elt["name"] = param_name
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	502 param_elt["value"] = param_value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	503 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	504 "XEP-0167_build_description_payload_type",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	505 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	506 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	507 pt_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	508 payload_type_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	509 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	510 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	511
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	512 if "bandwidth" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	513 bandwidth_elt = desc_elt.addElement("bandwidth")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	514 bandwidth_elt["type"] = media_data["bandwidth"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	515
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	516 if media_data.get("rtcp-mux"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	517 desc_elt.addElement("rtcp-mux")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	518
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	519 # Add encryption element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	520 if "encryption" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	521 encryption_elt = desc_elt.addElement("encryption")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	522 # 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	523 encryption_elt["required"] = "1"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	524 for enc_data in media_data["encryption"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	525 crypto_elt = encryption_elt.addElement("crypto")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	526 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	527 if attr in enc_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	528 crypto_elt[attr] = enc_data[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	529
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	530 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	531 "XEP-0167_build_description",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	532 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	533 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	534 session,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	535 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	536 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	537
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	538 return desc_elt
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
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	541 def parse_description(desc_elt: domish.Element) -> dict:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	542 """Parse <desciption> to a dict
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	543
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	544 @param desc_elt: <description> element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	545 @return: media data as in [build_description]
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 # 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	548 assert host is not None
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 media_data = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	551 if desc_elt.hasAttribute("ssrc"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	552 media_data.setdefault("ssrc", {})[desc_elt["ssrc"]] = {}
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 payload_types = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	555 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	556 payload_type_data = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	557 attr: payload_type_elt[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	558 for attr in [
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	559 "channels",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	560 "clockrate",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	561 "maxptime",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	562 "name",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	563 "ptime",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	564 ]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	565 if payload_type_elt.hasAttribute(attr)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	566 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	567 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	568 pt_id = int(payload_type_elt["id"])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	569 except KeyError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	570 log.warning(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	571 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	572 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	573 continue
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 parameters = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	576 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	577 param_name = param_elt.getAttribute("name")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	578 param_value = param_elt.getAttribute("value")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	579 if not param_name or param_value is None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	580 log.warning(f"invalid parameter: {param_elt.toXml()}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	581 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	582 parameters[param_name] = param_value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	583
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	584 if parameters:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	585 payload_type_data["parameters"] = parameters
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	586
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	587 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	588 "XEP-0167_parse_description_payload_type",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	589 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	590 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	591 payload_type_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	592 payload_type_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	593 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	594 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	595 payload_types[pt_id] = payload_type_data
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 # bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	598 media_data["payload_types"] = payload_types
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	599 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	600 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	601 except StopIteration:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	602 pass
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	603 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	604 bandwidth = bandwidth_elt.getAttribute("type")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	605 if not bandwidth:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	606 log.warning(f"invalid bandwidth: {bandwidth_elt.toXml}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	607 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	608 media_data["bandwidth"] = bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	609
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	610 # rtcp-mux
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	611 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	612 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	613
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	614 # Encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	615 encryption_data = []
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	616 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	617 if encryption_elt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	618 media_data["encryption_required"] = C.bool(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	619 encryption_elt.getAttribute("required", C.BOOL_FALSE)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	620 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	621
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	622 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	623 crypto_data = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	624 attr: crypto_elt[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	625 for attr in [
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	626 "crypto-suite",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	627 "key-params",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	628 "session-params",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	629 "tag",
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 if crypto_elt.hasAttribute(attr)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	632 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	633 encryption_data.append(crypto_data)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	634
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	635 if encryption_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	636 media_data["encryption"] = encryption_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	637
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	638 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	639 "XEP-0167_parse_description",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	640 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	641 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	642 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation: Goffi <goffi@goffi.org> parents: diff changeset	643 )
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 return media_data

Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0167/mapping.py @ 4095:684ba556a617