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fix #2679 - fix socket types, and clean some code

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Leibale
2024-02-12 18:38:00 -05:00
parent ec33759e8a
commit 77ecdf2721
4 changed files with 206 additions and 164 deletions
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53
docs/client-configuration.md
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@@ -1,31 +1,32 @@
# `createClient` configuration
| Property | Default | Description |
|--------------------------|------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| url | | `redis[s]://[[username][:password]@][host][:port][/db-number]` (see [`redis`](https://www.iana.org/assignments/uri-schemes/prov/redis) and [`rediss`](https://www.iana.org/assignments/uri-schemes/prov/rediss) IANA registration for more details) |
| socket | | Socket connection properties. Unlisted [`net.connect`](https://nodejs.org/api/net.html#socketconnectoptions-connectlistener) properties (and [`tls.connect`](https://nodejs.org/api/tls.html#tlsconnectoptions-callback)) are also supported |
| socket.port | `6379` | Redis server port |
| socket.host | `'localhost'` | Redis server hostname |
| socket.family | `0` | IP Stack version (one of `4 \| 6 \| 0`) |
| socket.path | | Path to the UNIX Socket |
| socket.connectTimeout | `5000` | Connection Timeout (in milliseconds) |
| socket.noDelay | `true` | Toggle [`Nagle's algorithm`](https://nodejs.org/api/net.html#net_socket_setnodelay_nodelay) |
| socket.keepAlive | `5000` | Toggle [`keep-alive`](https://nodejs.org/api/net.html#net_socket_setkeepalive_enable_initialdelay) functionality |
| socket.tls | | See explanation and examples [below](#TLS) |
| socket.reconnectStrategy | `retries => Math.min(retries * 50, 500)` | A function containing the [Reconnect Strategy](#reconnect-strategy) logic |
| username | | ACL username ([see ACL guide](https://redis.io/topics/acl)) |
| password | | ACL password or the old "--requirepass" password |
| name | | Client name ([see `CLIENT SETNAME`](https://redis.io/commands/client-setname)) |
| database | | Redis database number (see [`SELECT`](https://redis.io/commands/select) command) |
| modules | | Included [Redis Modules](../README.md#packages) |
| scripts | | Script definitions (see [Lua Scripts](../README.md#lua-scripts)) |
| functions | | Function definitions (see [Functions](../README.md#functions)) |
| commandsQueueMaxLength | | Maximum length of the client's internal command queue |
| disableOfflineQueue | `false` | Disables offline queuing, see [FAQ](./FAQ.md#what-happens-when-the-network-goes-down) |
| readonly | `false` | Connect in [`READONLY`](https://redis.io/commands/readonly) mode |
| legacyMode | `false` | Maintain some backwards compatibility (see the [Migration Guide](./v3-to-v4.md)) |
| isolationPoolOptions | | See the [Isolated Execution Guide](./isolated-execution.md) |
| pingInterval | | Send `PING` command at interval (in ms). Useful with ["Azure Cache for Redis"](https://learn.microsoft.com/en-us/azure/azure-cache-for-redis/cache-best-practices-connection#idle-timeout) |
| Property | Default | Description |
|------------------------------|------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| url | | `redis[s]://[[username][:password]@][host][:port][/db-number]` (see [`redis`](https://www.iana.org/assignments/uri-schemes/prov/redis) and [`rediss`](https://www.iana.org/assignments/uri-schemes/prov/rediss) IANA registration for more details) |
| socket | | Socket connection properties. Unlisted [`net.connect`](https://nodejs.org/api/net.html#socketconnectoptions-connectlistener) properties (and [`tls.connect`](https://nodejs.org/api/tls.html#tlsconnectoptions-callback)) are also supported |
| socket.port | `6379` | Redis server port |
| socket.host | `'localhost'` | Redis server hostname |
| socket.family | `0` | IP Stack version (one of `4 \| 6 \| 0`) |
| socket.path | | Path to the UNIX Socket |
| socket.connectTimeout | `5000` | Connection timeout (in milliseconds) |
| socket.noDelay | `true` | Toggle [`Nagle's algorithm`](https://nodejs.org/api/net.html#net_socket_setnodelay_nodelay) |
| socket.keepAlive | `true` | Toggle [`keep-alive`](https://nodejs.org/api/net.html#socketsetkeepaliveenable-initialdelay) functionality |
| socket.keepAliveInitialDelay | `5000` | If set to a positive number, it sets the initial delay before the first keepalive probe is sent on an idle socket |
| socket.tls | | See explanation and examples [below](#TLS) |
| socket.reconnectStrategy | `retries => Math.min(retries * 50, 500)` | A function containing the [Reconnect Strategy](#reconnect-strategy) logic |
| username | | ACL username ([see ACL guide](https://redis.io/topics/acl)) |
| password | | ACL password or the old "--requirepass" password |
| name | | Client name ([see `CLIENT SETNAME`](https://redis.io/commands/client-setname)) |
| database | | Redis database number (see [`SELECT`](https://redis.io/commands/select) command) |
| modules | | Included [Redis Modules](../README.md#packages) |
| scripts | | Script definitions (see [Lua Scripts](../README.md#lua-scripts)) |
| functions | | Function definitions (see [Functions](../README.md#functions)) |
| commandsQueueMaxLength | | Maximum length of the client's internal command queue |
| disableOfflineQueue | `false` | Disables offline queuing, see [FAQ](./FAQ.md#what-happens-when-the-network-goes-down) |
| readonly | `false` | Connect in [`READONLY`](https://redis.io/commands/readonly) mode |
| legacyMode | `false` | Maintain some backwards compatibility (see the [Migration Guide](./v3-to-v4.md)) |
| isolationPoolOptions | | See the [Isolated Execution Guide](./isolated-execution.md) |
| pingInterval | | Send `PING` command at interval (in ms). Useful with ["Azure Cache for Redis"](https://learn.microsoft.com/en-us/azure/azure-cache-for-redis/cache-best-practices-connection#idle-timeout) |
## Reconnect Strategy

38
docs/v4-to-v5.md
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@@ -1,5 +1,27 @@
# v4 to v5 migration guide
## Client Configuration
### Keep Alive
To better align with Node.js build-in [`net`](https://nodejs.org/api/net.html) and [`tls`](https://nodejs.org/api/tls.html) modules, the `keepAlive` option has been split into 2 options: `keepAlive` (`boolean`) and `keepAliveInitialDelay` (`number`). The defaults remain `true` and `5000`.
### Legacy Mode
In the previous version, you could access "legacy" mode by creating a client and passing in `{ legacyMode: true }`. Now, you can create one off of an existing client by calling the `.legacy()` function. This allows easier access to both APIs and enables better TypeScript support.
```javascript
// use `client` for the current API
const client = createClient();
await client.set('key', 'value');
// use `legacyClient` for the "legacy" API
const legacyClient = client.legacy();
legacyClient.set('key', 'value', (err, reply) => {
// ...
});
```
## Command Options
In v4, command options are passed as a first optional argument:
@@ -59,22 +81,6 @@ for await (const keys of client.scanIterator()) {
for more information, see the [Scan Iterators guide](./scan-iterators.md).
## Legacy Mode
In the previous version, you could access "legacy" mode by creating a client and passing in `{ legacyMode: true }`. Now, you can create one off of an existing client by calling the `.legacy()` function. This allows easier access to both APIs and enables better TypeScript support.
```javascript
// use `client` for the current API
const client = createClient();
await client.set('key', 'value');
// use `legacyClient` for the "legacy" API
const legacyClient = client.legacy();
legacyClient.set('key', 'value', (err, reply) => {
// ...
});
```
## Isolation Pool
[TODO](./blocking-commands.md).