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180 lines
7.2 KiB
HTML
180 lines
7.2 KiB
HTML
<HTML>
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<BODY>
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<PRE>
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<!-- Manpage converted by man2html 3.0.1 -->
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curl_easy_getinfo - Extract information from a curl ses-
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sion (added in 7.4)
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</PRE>
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<H2>SYNOPSIS</H2><PRE>
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<B>#include</B> <B><curl/curl.h></B>
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<B>CURLcode</B> <B>curl_easy_getinfo(CURL</B> <B>*curl,</B> <B>CURLINFO</B> <B>info,</B> <B>...</B>
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<B>);</B>
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</PRE>
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<H2>DESCRIPTION</H2><PRE>
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Request internal information from the curl session with
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this function. The third argument <B>MUST</B> be a pointer to a
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long, a pointer to a char * or a pointer to a double (as
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this documentation describes further down). The data
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pointed-to will be filled in accordingly and can be relied
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upon only if the function returns CURLE_OK. This function
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is intended to get used *AFTER* a performed transfer, all
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results from this function are undefined until the trans-
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fer is completed.
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</PRE>
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<H2>AVAILABLE INFORMATION</H2><PRE>
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These are informations that can be extracted:
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<B>CURLINFO_EFFECTIVE_URL</B>
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Pass a pointer to a 'char *' to receive the last
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used effective URL.
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<B>CURLINFO_HTTP_CODE</B>
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Pass a pointer to a long to receive the last
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received HTTP code.
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<B>CURLINFO_FILETIME</B>
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Pass a pointer to a long to receive the remote
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time of the retrieved document. If you get -1, it
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can be because of many reasons (unknown, the
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server hides it or the server doesn't support the
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command that tells document time etc) and the time
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of the document is unknown. Note that you must
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tell the server to collect this information before
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the transfer is made, by using the CURLOPT_FILE-
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TIME option to <I>curl</I><B>_</B><I>easy</I><B>_</B><I>setopt(3)</I>. (Added in 7.5)
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<B>CURLINFO_TOTAL_TIME</B>
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Pass a pointer to a double to receive the total
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transaction time in seconds for the previous
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transfer. This time does not include the connect
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time, so if you want the complete operation time,
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you should add the CURLINFO_CONNECT_TIME.
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<B>CURLINFO_NAMELOOKUP_TIME</B>
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Pass a pointer to a double to receive the time, in
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seconds, it took from the start until the name
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Pass a pointer to a double to receive the time, in
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seconds, it took from the start until the connect
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to the remote host (or proxy) was completed.
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<B>CURLINFO_PRETRANSFER_TIME</B>
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Pass a pointer to a double to receive the time, in
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seconds, it took from the start until the file
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transfer is just about to begin. This includes all
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pre-transfer commands and negotiations that are
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specific to the particular protocol(s) involved.
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<B>CURLINFO_STARTTRANSFER_TIME</B>
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Pass a pointer to a double to receive the time, in
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seconds, it took from the start until the first
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byte is just about to be transfered. This includes
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CURLINFO_PRETRANSFER_TIME and also the time the
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server needs to calculate the result.
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<B>CURLINFO_REDIRECT_TIME</B>
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Pass a pointer to a double to receive the total
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time, in seconds, it took for all redirection
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steps include name lookup, connect, pretransfer
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and transfer before final transaction was started.
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CURLINFO_REDIRECT_TIME contains the complete exe-
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cution time for multiple redirections. (Added in
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7.9.7)
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<B>CURLINFO_REDIRECT_COUNT</B>
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Pass a pointer to a long to receive the total num-
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ber of redirections that were actually followed.
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(Added in 7.9.7)
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<B>CURLINFO_SIZE_UPLOAD</B>
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Pass a pointer to a double to receive the total
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amount of bytes that were uploaded.
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<B>CURLINFO_SIZE_DOWNLOAD</B>
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Pass a pointer to a double to receive the total
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amount of bytes that were downloaded. The amount
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is only for the latest transfer and will be reset
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again for each new transfer.
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<B>CURLINFO_SPEED_DOWNLOAD</B>
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Pass a pointer to a double to receive the average
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download speed that curl measured for the complete
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download.
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<B>CURLINFO_SPEED_UPLOAD</B>
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Pass a pointer to a double to receive the average
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upload speed that curl measured for the complete
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upload.
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Pass a pointer to a long to receive the total size
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of all the headers received.
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<B>CURLINFO_REQUEST_SIZE</B>
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Pass a pointer to a long to receive the total size
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of the issued requests. This is so far only for
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HTTP requests. Note that this may be more than one
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request if FOLLOWLOCATION is true.
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<B>CURLINFO_SSL_VERIFYRESULT</B>
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Pass a pointer to a long to receive the result of
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the certification verification that was requested
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(using the CURLOPT_SSL_VERIFYPEER option to
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curl_easy_setopt). (Added in 7.4.2)
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<B>CURLINFO_CONTENT_LENGTH_DOWNLOAD</B>
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Pass a pointer to a double to receive the content-
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length of the download. This is the value read
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from the Content-Length: field. (Added in 7.6.1)
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<B>CURLINFO_CONTENT_LENGTH_UPLOAD</B>
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Pass a pointer to a double to receive the speci-
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fied size of the upload. (Added in 7.6.1)
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<B>CURLINFO_CONTENT_TYPE</B>
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Pass a pointer to a 'char *' to receive the con-
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tent-type of the downloaded object. This is the
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value read from the Content-Type: field. If you
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get NULL, it means that the server didn't send a
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valid Content-Type header or that the protocol
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used doesn't support this. (Added in 7.9.4)
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<B>CURLINFO_PRIVATE</B>
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Pass a pointer to a 'char *' to receive the
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pointer to the private data associated with the
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curl handle (set with the CURLOPT_PRIVATE option
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to curl_easy_setopt). (Added in 7.10.3)
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</PRE>
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<H2>RETURN VALUE</H2><PRE>
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If the operation was successful, CURLE_OK is returned.
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Otherwise an appropriate error code will be returned.
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</PRE>
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<H2>SEE ALSO</H2><PRE>
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<B>curl_easy_setopt(3)</B>
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</PRE>
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<H2>BUGS</H2><PRE>
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Surely there are some, you tell me!
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</PRE>
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<HR>
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<ADDRESS>
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Man(1) output converted with
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<a href="http://www.oac.uci.edu/indiv/ehood/man2html.html">man2html</a>
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