annotate mod_graceful_shutdown/README.markdown @ 5185:09d6bbd6c8a4

mod_http_oauth2: Fix treatment of 'redirect_uri' parameter in code flow It's optional and the one stored in the client registration should really be used instead. RFC 6749 says an URI provided as parameter MUST be validated against the stored one but does not say how. Given that the client needs their secret to proceed, it seems fine to leave this for later.
author Kim Alvefur <zash@zash.se>
date Thu, 02 Mar 2023 22:00:42 +0100
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1 ::: {.alert .alert-warning}
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2 This module is an experiment about a more graceful shutdown process.
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4 Graceful shutdown has now been implemented in Prosody trunk and will be
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5 part 0.12. See [issue #1225](https://issues.prosody.im/1225) for
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6 details.
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7 :::
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8
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9 Why
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10 ===
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11
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12 When shutting down, a number of sessions, connections and other things
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13 are teared down. Due to all these things happening very quickly,
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88474dd1af48 Various READMEs: s/eg/e.g.g/
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14 sometimes e.g. client unavailable notifications don't make it to all
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15 remote contacts because the server-to-server connections are teared down
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16 just after.
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18 How
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19 ===
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21 This module works by breaking the shutdown process into separate steps
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22 with a brief pause between them.
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24 It goes something like this
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26 1. Stop accepting new client connections.
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27 2. Close all client connections.
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28 3. Fire event for everything else.
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29 4. Tell `net.server` to quit the main loop.
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30 5. ???
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31 6. Still here? Kill itself.
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32