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annotate libervia/backend/plugins/plugin_xep_0167/mapping.py @ 4116:23fa52acf72c

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plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
author Goffi <goffi@goffi.org>
date Mon, 21 Aug 2023 15:19:45 +0200
parents 4b842c1fb686
children b2709504586a
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
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1 #!/usr/bin/env python3
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2
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3 # Libervia: an XMPP client
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4 # Copyright (C) 2009-2023 Jérôme Poisson (goffi@goffi.org)
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5
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6 # This program is free software: you can redistribute it and/or modify
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7 # it under the terms of the GNU Affero General Public License as published by
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8 # the Free Software Foundation, either version 3 of the License, or
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9 # (at your option) any later version.
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10
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11 # This program is distributed in the hope that it will be useful,
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12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
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13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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14 # GNU Affero General Public License for more details.
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15
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16 # You should have received a copy of the GNU Affero General Public License
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17 # along with this program. If not, see <http://www.gnu.org/licenses/>.
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18
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19 import base64
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20 from typing import Any, Dict, Optional
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21
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22 from twisted.words.xish import domish
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23
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24 from libervia.backend.core.constants import Const as C
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25 from libervia.backend.core.log import getLogger
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26
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27 from .constants import NS_JINGLE_RTP
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28
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29 log = getLogger(__name__)
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30
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31 host = None
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32
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33
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34 def senders_to_sdp(senders: str, session: dict) -> str:
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35 """Returns appropriate SDP attribute corresponding to Jingle senders attribute"""
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36 if senders == "both":
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37 return "a=sendrecv"
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38 elif senders == "none":
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39 return "a=inactive"
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40 elif session["role"] == senders:
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41 return "a=sendonly"
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42 else:
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43 return "a=recvonly"
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44
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45
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46 def generate_sdp_from_session(
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47 session: dict, local: bool = False, port: int = 9999
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48 ) -> str:
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49 """Generate an SDP string from session data.
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50
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51 @param session: A dictionary containing the session data. It should have the
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52 following structure:
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53
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54 {
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55 "contents": {
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56 "<content_id>": {
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57 "application_data": {
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58 "media": <str: "audio" or "video">,
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59 "local_data": <media_data dict>,
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60 "peer_data": <media_data dict>,
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61 ...
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62 },
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63 "transport_data": {
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64 "local_ice_data": <ice_data dict>,
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65 "peer_ice_data": <ice_data dict>,
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66 ...
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67 },
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68 ...
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69 },
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70 ...
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71 }
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72 }
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73 @param local: A boolean value indicating whether to generate SDP for the local or
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74 peer entity. If True, the method will generate SDP for the local entity,
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75 otherwise for the peer entity. Generally the local SDP is received from frontends
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76 and not needed in backend, except for debugging purpose.
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77 @param port: The preferred port for communications.
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78
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79 @return: The generated SDP string.
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80 """
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81 sdp_lines = ["v=0"]
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82
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83 # Add originator (o=) line after the version (v=) line
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84 username = base64.b64encode(session["local_jid"].full().encode()).decode()
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85 session_id = "1" # Increment this for each session
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86 session_version = "1" # Increment this when the session is updated
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87 network_type = "IN"
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88 address_type = "IP4"
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89 connection_address = "0.0.0.0"
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90 o_line = (
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91 f"o={username} {session_id} {session_version} {network_type} {address_type} "
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92 f"{connection_address}"
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93 )
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94 sdp_lines.append(o_line)
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95
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96 # Add the mandatory "s=" and t=" lines
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97 sdp_lines.append("s=-")
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98 sdp_lines.append("t=0 0")
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99
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100 # stream direction
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101 all_senders = {c["senders"] for c in session["contents"].values()}
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102 # if we don't have a common senders for all contents, we set them at media level
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103 senders = all_senders.pop() if len(all_senders) == 1 else None
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104 if senders is not None:
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105 sdp_lines.append(senders_to_sdp(senders, session))
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106
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107 sdp_lines.append("a=msid-semantic:WMS *")
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108
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109 host.trigger.point(
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110 "XEP-0167_generate_sdp_session",
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111 session,
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112 local,
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113 sdp_lines,
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114 triggers_no_cancel=True
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115 )
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116
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117 contents = session["contents"]
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118 for content_name, content_data in contents.items():
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119 app_data_key = "local_data" if local else "peer_data"
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120 application_data = content_data["application_data"]
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121 media_data = application_data[app_data_key]
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122 media = application_data["media"]
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123 payload_types = media_data.get("payload_types", {})
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124
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125 # Generate m= line
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126 transport = "UDP/TLS/RTP/SAVPF"
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127 payload_type_ids = [str(pt_id) for pt_id in payload_types]
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128 m_line = f"m={media} {port} {transport} {' '.join(payload_type_ids)}"
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129 sdp_lines.append(m_line)
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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:
4116
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
442 ice_candidates = []
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
443 for idx, content in enumerate(all_media.values()):
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
444 if idx == 0:
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
445 continue
23fa52acf72c plugin XEP-0167, XEP-0176: transport-info and ICE candidate sending are delayed if session is not active yet
Goffi <goffi@goffi.org>
parents: 4071
diff changeset
446 content["transport_data"].setdefault("candidates", ice_candidates)
4056
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
447
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
448 return call_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
449
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 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
452 """Generate <description> element from media data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
453
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
454 @param media: media type ("audio" or "video")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
455
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
456 @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
457 The keys and values are described below:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
458
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
459 - ssrc (str, optional): The synchronization source identifier.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
460 - 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
461 type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
462 Each dictionary may contain the following keys:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
463 - channels (str, optional): Number of audio channels.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
464 - clockrate (str, optional): Clock rate of the media.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
465 - id (str): The unique identifier of the payload type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
466 - maxptime (str, optional): Maximum packet time.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
467 - name (str, optional): Name of the codec.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
468 - ptime (str, optional): Preferred packet time.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
469 - parameters (dict, optional): A dictionary of codec-specific parameters.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
470 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
471 - bandwidth (str, optional): The bandwidth type.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
472 - 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
473 not.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
474 - 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
475 encryption method.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
476 Each dictionary may contain the following keys:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
477 - tag (str): The unique identifier of the encryption method.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
478 - crypto-suite (str): The encryption suite in use.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
479 - key-params (str): Key parameters for the encryption suite.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
480 - session-params (str, optional): Session parameters for the encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
481 suite.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
482
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
483 @return: A <description> element.
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
484 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
485 # 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
486 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
487
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
488 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
489
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
490 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
491 payload_type_elt = desc_elt.addElement("payload-type")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
492 payload_type_elt["id"] = str(pt_id)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
493 for attr in ["channels", "clockrate", "maxptime", "name", "ptime"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
494 if attr in pt_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
495 payload_type_elt[attr] = str(pt_data[attr])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
496
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
497 if "parameters" in pt_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
498 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
499 param_elt = payload_type_elt.addElement("parameter")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
500 param_elt["name"] = param_name
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
501 param_elt["value"] = param_value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
502 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
503 "XEP-0167_build_description_payload_type",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
504 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
505 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
506 pt_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
507 payload_type_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
508 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
509 )
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 if "bandwidth" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
512 bandwidth_elt = desc_elt.addElement("bandwidth")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
513 bandwidth_elt["type"] = media_data["bandwidth"]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
514
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
515 if media_data.get("rtcp-mux"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
516 desc_elt.addElement("rtcp-mux")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
517
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
518 # Add encryption element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
519 if "encryption" in media_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
520 encryption_elt = desc_elt.addElement("encryption")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
521 # 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
522 encryption_elt["required"] = "1"
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
523 for enc_data in media_data["encryption"]:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
524 crypto_elt = encryption_elt.addElement("crypto")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
525 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
526 if attr in enc_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
527 crypto_elt[attr] = enc_data[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
528
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
529 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
530 "XEP-0167_build_description",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
531 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
532 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
533 session,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
534 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
535 )
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 return desc_elt
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
538
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 def parse_description(desc_elt: domish.Element) -> dict:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
541 """Parse <desciption> to a dict
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
542
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
543 @param desc_elt: <description> element
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
544 @return: media data as in [build_description]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
545 """
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
546 # 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
547 assert host is not None
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
548
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
549 media_data = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
550 if desc_elt.hasAttribute("ssrc"):
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
551 media_data.setdefault("ssrc", {})[desc_elt["ssrc"]] = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
552
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
553 payload_types = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
554 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
555 payload_type_data = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
556 attr: payload_type_elt[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
557 for attr in [
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
558 "channels",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
559 "clockrate",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
560 "maxptime",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
561 "name",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
562 "ptime",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
563 ]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
564 if payload_type_elt.hasAttribute(attr)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
565 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
566 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
567 pt_id = int(payload_type_elt["id"])
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
568 except KeyError:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
569 log.warning(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
570 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
571 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
572 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
573
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
574 parameters = {}
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
575 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
576 param_name = param_elt.getAttribute("name")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
577 param_value = param_elt.getAttribute("value")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
578 if not param_name or param_value is None:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
579 log.warning(f"invalid parameter: {param_elt.toXml()}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
580 continue
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
581 parameters[param_name] = param_value
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
582
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
583 if parameters:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
584 payload_type_data["parameters"] = parameters
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
585
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
586 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
587 "XEP-0167_parse_description_payload_type",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
588 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
589 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
590 payload_type_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
591 payload_type_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
592 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
593 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
594 payload_types[pt_id] = payload_type_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
595
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
596 # bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
597 media_data["payload_types"] = payload_types
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
598 try:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
599 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
600 except StopIteration:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
601 pass
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
602 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
603 bandwidth = bandwidth_elt.getAttribute("type")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
604 if not bandwidth:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
605 log.warning(f"invalid bandwidth: {bandwidth_elt.toXml}")
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
606 else:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
607 media_data["bandwidth"] = bandwidth
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
608
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
609 # rtcp-mux
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
610 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
611 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
612
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
613 # Encryption
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
614 encryption_data = []
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
615 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
616 if encryption_elt:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
617 media_data["encryption_required"] = C.bool(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
618 encryption_elt.getAttribute("required", C.BOOL_FALSE)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
619 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
620
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
621 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
622 crypto_data = {
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
623 attr: crypto_elt[attr]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
624 for attr in [
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
625 "crypto-suite",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
626 "key-params",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
627 "session-params",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
628 "tag",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
629 ]
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
630 if crypto_elt.hasAttribute(attr)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
631 }
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
632 encryption_data.append(crypto_data)
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
633
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
634 if encryption_data:
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
635 media_data["encryption"] = encryption_data
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
636
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
637 host.trigger.point(
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
638 "XEP-0167_parse_description",
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
639 desc_elt,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
640 media_data,
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
641 triggers_no_cancel=True
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
642 )
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
643
1c4f4aa36d98 plugin XEP-0167: Jingle RTP Sessions implementation:
Goffi <goffi@goffi.org>
parents:
diff changeset
644 return media_data