annotate mod_http_stats_stream/README.markdown @ 5139:449e4ca4de32

mod_unified_push: Remove dependency on trunk util.jwt (0.12 compat) This should allow the module to work on 0.12, while preserving expiry checking (which was not built in to 0.12's util.jwt).
author Matthew Wild <mwild1@gmail.com>
date Tue, 10 Jan 2023 16:34:21 +0000
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children
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1 ---
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2 depends:
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3 - 'mod\_http'
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4 provides:
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5 - http
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6 ---
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7
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8 # Introduction
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10 This module provides a streaming interface to [Prosodys internal statistics][doc:statistics] via
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11 [Server-sent events](https://developer.mozilla.org/en-US/docs/Web/API/Server-sent_events).
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13 ## Example
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15 ```js
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16 var evtSource = new EventSource("/stats_stream");
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18 /*
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19 * An event with all current statistics in the form of a JSON object.
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20 * Normally sent only once, when first connected to the stream.
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21 */
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22 evtSource.addEventListener("stats-full", function(e) {
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23 var initial_stats = JSON.parse(e.data);
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24 console.log(initial_stats);
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25 }, false);
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27 /*
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28 * An event containing only statistics that have changed since the last
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29 * 'stats-full' or 'stats-updated' event.
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30 */
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31 evtSource.addEventListener("stats-updated", function(e) {
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32 var updated_stats = JSON.parse(e.data);
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33 console.log(updated_stats);
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34 }, false);
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35 ```
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36
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37 # Compatibility
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39 * Prosody \>= 0.11.0
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40 * Trunk < [5f15ab7c6ae5](https://hg.prosody.im/trunk/rev/5f15ab7c6ae5)