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doc: add note about clientError writable handling #33308

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doc: add note about clientError writable handling #33308

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doc: add note about clientError writable handling
ShogunPanda May 8, 2020
6956bd8
Update doc/api/http.md
ShogunPanda May 8, 2020
099ab94
Update doc/api/http.md
ShogunPanda May 11, 2020
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15 changes: 15 additions & 0 deletions doc/api/http.md
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Expand Up @@ -1041,6 +1041,21 @@ ensure the response is a properly formatted HTTP response message.
correctly;
* `rawPacket`: the raw packet of current request.

In some cases the client has already received the response and/or the socket
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has already been destroyed, like in case of `ECONNRESET` errors. Before
trying to send data to the socket, it is better to check that it is still
writable.

```js
server.on('clientError', (err, socket) => {
if (err.code === 'ECONNRESET' || !socket.writable) {
return;
}

socket.end('HTTP/1.1 400 Bad Request\r\n\r\n');
});
```

### Event: `'close'`
<!-- YAML
added: v0.1.4
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