Mercurial > libervia-backend

annotate libervia/backend/plugins/plugin_xep_0339.py @ 4335:430d5d99a740

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
plugin XEP-0358: "Publishing Available Jingle Sessions" implementation: rel 453
author Goffi <goffi@goffi.org>
date Tue, 03 Dec 2024 00:13:07 +0100
parents 0d7bb4df2343
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
4067
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
1 #!/usr/bin/env python3
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
2
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
3 # Libervia plugin
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
4 # Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
5
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
6 # This program is free software: you can redistribute it and/or modify
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
7 # it under the terms of the GNU Affero General Public License as published by
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
8 # the Free Software Foundation, either version 3 of the License, or
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
9 # (at your option) any later version.
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
10
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
11 # This program is distributed in the hope that it will be useful,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
14 # GNU Affero General Public License for more details.
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
15
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
16 # You should have received a copy of the GNU Affero General Public License
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
18
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
19 from typing import List
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
20
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
21 from twisted.words.protocols.jabber.xmlstream import XMPPHandler
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
22 from twisted.words.xish import domish
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
23 from wokkel import disco, iwokkel
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
24 from zope.interface import implementer
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
25
4071
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend`
Goffi <goffi@goffi.org>
parents: 4067
diff changeset
26 from libervia.backend.core import exceptions
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend`
Goffi <goffi@goffi.org>
parents: 4067
diff changeset
27 from libervia.backend.core.constants import Const as C
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend`
Goffi <goffi@goffi.org>
parents: 4067
diff changeset
28 from libervia.backend.core.core_types import SatXMPPEntity
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend`
Goffi <goffi@goffi.org>
parents: 4067
diff changeset
29 from libervia.backend.core.i18n import _
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend`
Goffi <goffi@goffi.org>
parents: 4067
diff changeset
30 from libervia.backend.core.log import getLogger
4b842c1fb686 refactoring: renamed `sat` package to `libervia.backend`
Goffi <goffi@goffi.org>
parents: 4067
diff changeset
31 from libervia.backend.tools import xml_tools
4067
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
32
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
33 log = getLogger(__name__)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
34
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
35 NS_JINGLE_RTP_SSMA = "urn:xmpp:jingle:apps:rtp:ssma:0"
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
36
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
37 PLUGIN_INFO = {
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
38 C.PI_NAME: "Source-Specific Media Attributes in Jingle",
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
39 C.PI_IMPORT_NAME: "XEP-0339",
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
40 C.PI_TYPE: "XEP",
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
41 C.PI_MODES: C.PLUG_MODE_BOTH,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
42 C.PI_PROTOCOLS: ["XEP-0339"],
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
43 C.PI_DEPENDENCIES: ["XEP-0092", "XEP-0167"],
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
44 C.PI_RECOMMENDATIONS: [],
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
45 C.PI_MAIN: "XEP_0339",
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
46 C.PI_HANDLER: "yes",
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
47 C.PI_DESCRIPTION: _("""Source-Specific Media Attributes in Jingle"""),
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
48 }
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
49
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
50
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
51 class XEP_0339:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
52 def __init__(self, host):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
53 log.info(f"plugin {PLUGIN_INFO[C.PI_NAME]!r} initialization")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
54 self.host = host
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
55 host.trigger.add("XEP-0167_parse_sdp_a", self._parse_sdp_a_trigger)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
56 host.trigger.add(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
57 "XEP-0167_generate_sdp_content", self._generate_sdp_content_trigger
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
58 )
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
59 host.trigger.add("XEP-0167_parse_description", self._parse_description_trigger)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
60 host.trigger.add("XEP-0167_build_description", self._build_description_trigger)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
61
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
62 def get_handler(self, client):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
63 return XEP_0339_handler()
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
64
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
65 def _parse_sdp_a_trigger(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
66 self,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
67 attribute: str,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
68 parts: List[str],
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
69 call_data: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
70 metadata: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
71 media_type: str,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
72 application_data: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
73 transport_data: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
74 ) -> None:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
75 """Parse "ssrc" attributes"""
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
76 if attribute == "ssrc":
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
77 assert application_data is not None
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
78 ssrc_id = int(parts[0])
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
79
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
80 if len(parts) > 1:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
81 name, *values = " ".join(parts[1:]).split(":", 1)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
82 if values:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
83 value = values[0] or None
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
84 else:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
85 value = None
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
86 application_data.setdefault("ssrc", {}).setdefault(ssrc_id, {})[
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
87 name
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
88 ] = value
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
89 else:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
90 log.warning(f"no attribute in ssrc: {' '.join(parts)}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
91 application_data.setdefault("ssrc", {}).setdefault(ssrc_id, {})
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
92 elif attribute == "ssrc-group":
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
93 assert application_data is not None
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
94 semantics, *ssrc_ids = parts
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
95 ssrc_ids = [int(ssrc_id) for ssrc_id in ssrc_ids]
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
96 application_data.setdefault("ssrc-group", {})[semantics] = ssrc_ids
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
97 elif attribute == "msid":
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
98 assert application_data is not None
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
99 application_data["msid"] = " ".join(parts)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
100
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
101 def _generate_sdp_content_trigger(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
102 self,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
103 session: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
104 local: bool,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
105 idx: int,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
106 content_data: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
107 sdp_lines: List[str],
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
108 application_data: dict,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
109 app_data_key: str,
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
110 media_data: dict,
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
111 media: str,
4067
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
112 ) -> None:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
113 """Generate "msid" and "ssrc" attributes"""
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
114 if "msid" in media_data:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
115 sdp_lines.append(f"a=msid:{media_data['msid']}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
116
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
117 ssrc_data = media_data.get("ssrc", {})
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
118 ssrc_group_data = media_data.get("ssrc-group", {})
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
119
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
120 for ssrc_id, attributes in ssrc_data.items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
121 if not attributes:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
122 # there are no attributes for this SSRC ID, we add a simple line with only
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
123 # the SSRC ID
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
124 sdp_lines.append(f"a=ssrc:{ssrc_id}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
125 else:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
126 for attr_name, attr_value in attributes.items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
127 if attr_value is not None:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
128 sdp_lines.append(f"a=ssrc:{ssrc_id} {attr_name}:{attr_value}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
129 else:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
130 sdp_lines.append(f"a=ssrc:{ssrc_id} {attr_name}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
131 for semantics, ssrc_ids in ssrc_group_data.items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
132 ssrc_lines = " ".join(str(ssrc_id) for ssrc_id in ssrc_ids)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
133 sdp_lines.append(f"a=ssrc-group:{semantics} {ssrc_lines}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
134
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
135 def _parse_description_trigger(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
136 self, desc_elt: domish.Element, media_data: dict
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
137 ) -> bool:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
138 """Parse the <source> and <ssrc-group> elements"""
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
139 for source_elt in desc_elt.elements(NS_JINGLE_RTP_SSMA, "source"):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
140 try:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
141 ssrc_id = int(source_elt["ssrc"])
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
142 media_data.setdefault("ssrc", {})[ssrc_id] = {}
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
143 for param_elt in source_elt.elements(NS_JINGLE_RTP_SSMA, "parameter"):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
144 name = param_elt["name"]
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
145 value = param_elt.getAttribute("value")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
146 media_data["ssrc"][ssrc_id][name] = value
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
147 if name == "msid" and "msid" not in media_data:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
148 media_data["msid"] = value
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
149 except (KeyError, ValueError) as e:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
150 log.warning(f"Error while parsing <source>: {e}\n{source_elt.toXml()}")
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
151
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
152 for ssrc_group_elt in desc_elt.elements(NS_JINGLE_RTP_SSMA, "ssrc-group"):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
153 try:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
154 semantics = ssrc_group_elt["semantics"]
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
155 semantic_ids = media_data.setdefault("ssrc-group", {})[semantics] = []
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
156 for source_elt in ssrc_group_elt.elements(NS_JINGLE_RTP_SSMA, "source"):
4270
0d7bb4df2343 Reformatted code base using black.
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
157 semantic_ids.append(int(source_elt["ssrc"]))
4067
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
158 except (KeyError, ValueError) as e:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
159 log.warning(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
160 f"Error while parsing <ssrc-group>: {e}\n{ssrc_group_elt.toXml()}"
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
161 )
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
162
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
163 return True
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
164
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
165 def _build_description_trigger(
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
166 self, desc_elt: domish.Element, media_data: dict, session: dict
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
167 ) -> bool:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
168 """Build the <source> and <ssrc-group> elements if possible"""
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
169 for ssrc_id, parameters in media_data.get("ssrc", {}).items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
170 if "msid" not in parameters and "msid" in media_data:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
171 parameters["msid"] = media_data["msid"]
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
172 source_elt = desc_elt.addElement((NS_JINGLE_RTP_SSMA, "source"))
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
173 source_elt["ssrc"] = str(ssrc_id)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
174 for name, value in parameters.items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
175 param_elt = source_elt.addElement((NS_JINGLE_RTP_SSMA, "parameter"))
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
176 param_elt["name"] = name
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
177 if value is not None:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
178 param_elt["value"] = value
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
179
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
180 for semantics, ssrc_ids in media_data.get("ssrc-group", {}).items():
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
181 ssrc_group_elt = desc_elt.addElement((NS_JINGLE_RTP_SSMA, "ssrc-group"))
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
182 ssrc_group_elt["semantics"] = semantics
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
183 for ssrc_id in ssrc_ids:
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
184 source_elt = ssrc_group_elt.addElement((NS_JINGLE_RTP_SSMA, "source"))
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
185 source_elt["ssrc"] = str(ssrc_id)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
186
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
187 return True
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
188
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
189
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
190 @implementer(iwokkel.IDisco)
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
191 class XEP_0339_handler(XMPPHandler):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
192 def getDiscoInfo(self, requestor, target, nodeIdentifier=""):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
193 return [disco.DiscoFeature(NS_JINGLE_RTP_SSMA)]
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
194
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
195 def getDiscoItems(self, requestor, target, nodeIdentifier=""):
3f62c2445df1 plugin XEP-0339: "Source-Specific Media Attributes in Jingle" implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
196 return []