On Mon, 16 May 2016, smruti kumari wrote:

> 1. init multi and easy interface
> 2. set the option to easy handle (CURLOPT_CONNECT_ONLY)

Skip that.

> 3. invoke curl_easy_perform() to connect to remote host

And skip that too.

> 4. Add easy handle to multi handle
> 5. invoke curl_multi_socket_action() API
> 5. when it invoke socket callback I invoke curl_multi_assign()

There's not enough detail for me to tell where you went wrong after this
point, but 2 and 3 are so wrong you should go back one step and read the docs
again.

-- 
  / daniel.haxx.se
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