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Curl opens a socket with fd=0

From: Yamin Zhou <yamin_at_mavenir.com>
Date: Wed, 7 Sep 2011 18:54:14 +0000

hi,

I observed that libcurl opens a socket which fd is 0 for connection ...

    curl_easy_setopt(m_curl, CURLOPT_SOCKOPTFUNCTION, doSetSocketOption);
    curl_easy_setopt(m_curl, CURLOPT_SOCKOPTDATA, this);

int HttpClientTransfer::doSetSocketOption(void* userp, curl_socket_t curlfd, curlsocktype purpose)
{
    hcmDebug("Socket %d opened for connection\n", curlfd);
    return 0;
}

and the log shows

<13:52:55.356 DBG HCM 1556:1564 0:0>[setSocketOption(HttpClientTransfer.cpp:683)] Socket 0 opened for connection

what causes this problem there in curl?

thanks,
yamin

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Received on 2011-09-07