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Re: Setting TCP_NODELAY on socket

From: Ray Satiro via curl-library <curl-library_at_cool.haxx.se>
Date: Fri, 7 Jun 2019 02:57:29 -0400

On 6/6/2019 10:08 PM, Kunal Ekawde via curl-library wrote:
> If we use:
> curl_easy_setopt(easy_handle, CURLOPT_OPENSOCKETFUNCTION,
> CurlOpenSocketCallback);
>
> and in CurlOpenSocketCallback we open the tcp socket and set
> TCP_NODELAY for this socket using setsockopt and NOT USING
> CURLOPT_TCP_NODELAY, would it reset the flag, basically not use
> nodelay / enable nagles algorithm ?

No. tcpnodelay() [1] which sets TCP_NODELAY only turns it on, not off.

[1]: https://github.com/curl/curl/blob/curl-7_65_1/lib/connect.c#L900

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Received on 2019-06-07