annotate docker/pubsub/entrypoint.sh @ 4231:e11b13418ba6

plugin XEP-0353, XEP-0234, jingle: WebRTC data channel signaling implementation: Implement XEP-0343: Signaling WebRTC Data Channels in Jingle. The current version of the XEP (0.3.1) has no implementation and contains some flaws. After discussing this on xsf@, Daniel (from Conversations) mentioned that they had a sprint with Larma (from Dino) to work on another version and provided me with this link: https://gist.github.com/iNPUTmice/6c56f3e948cca517c5fb129016d99e74 . I have used it for my implementation. This implementation reuses work done on Jingle A/V call (notably XEP-0176 and XEP-0167 plugins), with adaptations. When used, XEP-0234 will not handle the file itself as it normally does. This is because WebRTC has several implementations (browser for web interface, GStreamer for others), and file/data must be handled directly by the frontend. This is particularly important for web frontends, as the file is not sent from the backend but from the end-user's browser device. Among the changes, there are: - XEP-0343 implementation. - `file_send` bridge method now use serialised dict as output. - New `BaseTransportHandler.is_usable` method which get content data and returns a boolean (default to `True`) to tell if this transport can actually be used in this context (when we are initiator). Used in webRTC case to see if call data are available. - Support of `application` media type, and everything necessary to handle data channels. - Better confirmation message, with file name, size and description when available. - When file is accepted in preflight, it is specified in following `action_new` signal for actual file transfer. This way, frontend can avoid the display or 2 confirmation messages. - XEP-0166: when not specified, default `content` name is now its index number instead of a UUID. This follows the behaviour of browsers. - XEP-0353: better handling of events such as call taken by another device. - various other updates. rel 441
author Goffi <goffi@goffi.org>
date Sat, 06 Apr 2024 12:57:23 +0200
parents 31c84a32c897
children
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1 #!/bin/bash
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2
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3 # we first need to wait for PostgreSQL
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4 # cf. https://stackoverflow.com/a/39028690 (thanks!)
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5
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6 RETRIES=5
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7
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8 until psql -c "select 1" > /dev/null 2>&1 || [ $RETRIES -eq 0 ]; do
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9 echo "Waiting for postgres server, $((RETRIES--)) remaining attempts…"
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10 sleep 1
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11 done
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13 ori_dir=${PWD}
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14 cd /src/libervia-pubsub/db
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16 # PG should be OK, we now initialize the database. If it's already done, it will fail
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17 # with exit code 3
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18 psql -v ON_ERROR_STOP=1 pubsub < pubsub.sql 2>/dev/null
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19 case $? in
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20 0) printf "database initialized\n" ;;
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21 3) printf "database already exists\n" ;;
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22 *) printf "can't initialize database, please check PostgreSQL container parameters\n" >&2
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23 exit 1
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24 ;;
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25 esac
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27 cd $ori_dir
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28
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29 exec /home/libervia/libervia_env/bin/twistd -n libervia-pubsub "$@"