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94 lines
1.9 KiB
Plaintext
94 lines
1.9 KiB
Plaintext
# ClientStats
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<!--introduced_in=v7.9.0-->
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<!--type=module-->
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<!-- source_link=lib/util/stats.js -->
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> Stability: 2 - Stable
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A `ClientStats` is a point-in-time snapshot of the connection and request
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state of a single [`Client`][]. Instances are not created directly; a fresh
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snapshot is produced each time the [`client.stats`][] getter is read.
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```mjs
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import { Client } from 'undici'
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const client = new Client('http://localhost:3000')
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const stats = client.stats
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console.log(stats.connected, stats.running)
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```
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```cjs
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const { Client } = require('undici')
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const client = new Client('http://localhost:3000')
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const stats = client.stats
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console.log(stats.connected, stats.running)
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```
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## Class: `ClientStats`
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<!-- YAML
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added: v7.9.0
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-->
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Captures the connection and request counters of a [`Client`][] at the moment
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the snapshot is taken. The values are read from the client at construction time
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and do not update afterwards; read [`client.stats`][] again for current values.
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### `new ClientStats(client)`
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<!-- YAML
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added: v7.9.0
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-->
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* `client` {Client} The client to read the statistics from.
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Creates a snapshot from the supplied `client`. This constructor is used
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internally by the [`client.stats`][] getter and is not normally invoked by
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application code.
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### `clientStats.connected`
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<!-- YAML
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added: v7.9.0
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-->
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* Type: {boolean}
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`true` when the client currently has an open socket connection.
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### `clientStats.pending`
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<!-- YAML
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added: v7.9.0
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-->
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* Type: {number}
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Number of open socket connections of this client that do not have an active
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request.
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### `clientStats.running`
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<!-- YAML
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added: v7.9.0
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-->
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* Type: {number}
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Number of currently active requests of this client.
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### `clientStats.size`
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<!-- YAML
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added: v7.9.0
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-->
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* Type: {number}
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Number of active, pending, or queued requests of this client.
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[`Client`]: Client.md#class-client
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[`client.stats`]: Client.md#clientstats
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