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curl_easy_getinfo(3)            libcurl Manual            curl_easy_getinfo(3)




NAME

       curl_easy_getinfo - extract information from a curl handle


SYNOPSIS

       #include <curl/curl.h>

       curl_easy_getinfo(3) *curl, CURLINFO info, ... );



DESCRIPTION

       Request  internal information from the curl session with this function.
       The third argument MUST be a pointer to a long, a pointer to a char  *,
       a  pointer  to  a struct curl_slist * or a pointer to a double (as this
       documentation describes further down).  The  data  pointed-to  will  be
       filled  in  accordingly  and  can  be  relied upon only if the function
       returns CURLE_OK.  Use this function AFTER a performed transfer if  you
       want to get transfer related data.

       You  should  not free the memory returned by this function unless it is
       explicitly mentioned below.


AVAILABLE INFORMATION

       The following information can be extracted:

       CURLINFO_EFFECTIVE_URL
              Last used URL.  See CURLINFO_EFFECTIVE_URL(3)

       CURLINFO_RESPONSE_CODE
              Last received response code.  See CURLINFO_RESPONSE_CODE(3)

       CURLINFO_HTTP_CONNECTCODE
              Last proxy CONNECT response  code.   See  CURLINFO_HTTP_CONNECT-
              CODE(3)

       CURLINFO_HTTP_VERSION
              The http version used in the connection.  See CURLINFO_HTTP_VER-
              SION(3)

       CURLINFO_FILETIME
              Remote time of the retrieved document. See CURLINFO_FILETIME(3)

       CURLINFO_FILETIME_T
              Remote  time  of  the  retrieved  document.  See  CURLINFO_FILE-
       TIME_T(3)

       CURLINFO_TOTAL_TIME
              Total time of previous transfer.  See CURLINFO_TOTAL_TIME(3)

       CURLINFO_TOTAL_TIME_T
              Total time of previous transfer.  See CURLINFO_TOTAL_TIME_T(3)

       CURLINFO_NAMELOOKUP_TIME
              Time   from   start   until   name   resolving  completed.   See
              CURLINFO_NAMELOOKUP_TIME(3)

       CURLINFO_NAMELOOKUP_TIME_T
              Time  from  start   until   name   resolving   completed.    See
              CURLINFO_NAMELOOKUP_TIME_T(3)

       CURLINFO_CONNECT_TIME
              Time  from  start  until  remote  host  or proxy completed.  See
              CURLINFO_CONNECT_TIME(3)

       CURLINFO_CONNECT_TIME_T
              Time from start until  remote  host  or  proxy  completed.   See
              CURLINFO_CONNECT_TIME_T(3)

       CURLINFO_APPCONNECT_TIME
              Time   from   start  until  SSL/SSH  handshake  completed.   See
              CURLINFO_APPCONNECT_TIME(3)

       CURLINFO_APPCONNECT_TIME_T
              Time  from  start  until  SSL/SSH  handshake   completed.    See
              CURLINFO_APPCONNECT_TIME_T(3)

       CURLINFO_PRETRANSFER_TIME
              Time  from  start  until  just  before the transfer begins.  See
              CURLINFO_PRETRANSFER_TIME(3)

       CURLINFO_PRETRANSFER_TIME_T
              Time from start until just  before  the  transfer  begins.   See
              CURLINFO_PRETRANSFER_TIME_T(3)

       CURLINFO_STARTTRANSFER_TIME
              Time from start until just when the first byte is received.  See
              CURLINFO_STARTTRANSFER_TIME(3)

       CURLINFO_STARTTRANSFER_TIME_T
              Time from start until just when the first byte is received.  See
              CURLINFO_STARTTRANSFER_TIME_T(3)

       CURLINFO_REDIRECT_TIME
              Time  taken  for  all  redirect steps before the final transfer.
              See CURLINFO_REDIRECT_TIME(3)

       CURLINFO_REDIRECT_TIME_T
              Time taken for all redirect steps  before  the  final  transfer.
              See CURLINFO_REDIRECT_TIME_T(3)

       CURLINFO_REDIRECT_COUNT
              Total number of redirects that were followed.  See  CURLINFO_RE-
              DIRECT_COUNT(3)

       CURLINFO_REDIRECT_URL
              URL  a  redirect  would  take you to, had you enabled redirects.
              See CURLINFO_REDIRECT_URL(3)

       CURLINFO_SIZE_UPLOAD
              (Deprecated)      Number     of     bytes     uploaded.      See
              CURLINFO_SIZE_UPLOAD(3)

       CURLINFO_SIZE_UPLOAD_T
              Number of bytes uploaded.  See CURLINFO_SIZE_UPLOAD_T(3)

       CURLINFO_SIZE_DOWNLOAD
              (Deprecated)    Number     of     bytes     downloaded.      See
              Number of bytes downloaded.  See CURLINFO_SIZE_DOWNLOAD(3)

       CURLINFO_SIZE_DOWNLOAD_T
              Number of bytes downloaded.  See CURLINFO_SIZE_DOWNLOAD_T(3)

       CURLINFO_SPEED_DOWNLOAD
              (Deprecated)  Average  download speed.  See CURLINFO_SPEED_DOWN-
              LOAD(3)

       CURLINFO_SPEED_DOWNLOAD_T
              Average download speed.  See CURLINFO_SPEED_DOWNLOAD_T(3)

       CURLINFO_SPEED_UPLOAD
              (Deprecated) Average upload speed.  See CURLINFO_SPEED_UPLOAD(3)

       CURLINFO_SPEED_UPLOAD_T
              Average upload speed.  See CURLINFO_SPEED_UPLOAD_T(3)

       CURLINFO_HEADER_SIZE
              Number   of   bytes    of    all    headers    received.     See
              CURLINFO_HEADER_SIZE(3)

       CURLINFO_REQUEST_SIZE
              Number   of  bytes  sent  in  the  issued  HTTP  requests.   See
              CURLINFO_REQUEST_SIZE(3)

       CURLINFO_SSL_VERIFYRESULT
              Certificate  verification  result.   See  CURLINFO_SSL_VERIFYRE-
              SULT(3)

       CURLINFO_PROXY_SSL_VERIFYRESULT
              Proxy      certificate      verification      result.        See
              CURLINFO_PROXY_SSL_VERIFYRESULT(3)

       CURLINFO_SSL_ENGINES
              A list of OpenSSL crypto engines.  See CURLINFO_SSL_ENGINES(3)

       CURLINFO_CONTENT_LENGTH_DOWNLOAD
              (Deprecated) Content length from the Content-Length header.  See
              CURLINFO_CONTENT_LENGTH_DOWNLOAD(3)

       CURLINFO_CONTENT_LENGTH_DOWNLOAD_T
              Content   length   from   the   Content-Length   header.     See
              CURLINFO_CONTENT_LENGTH_DOWNLOAD_T(3)

       CURLINFO_CONTENT_LENGTH_UPLOAD
              (Deprecated) Upload size. See CURLINFO_CONTENT_LENGTH_UPLOAD(3)

       CURLINFO_CONTENT_LENGTH_UPLOAD_T
              Upload size.  See CURLINFO_CONTENT_LENGTH_UPLOAD_T(3)

       CURLINFO_CONTENT_TYPE
              Content type from the Content-Type  header.   See  CURLINFO_CON-
              TENT_TYPE(3)

       CURLINFO_PRIVATE
              User's private data pointer.  See CURLINFO_PRIVATE(3)

       CURLINFO_HTTPAUTH_AVAIL
              Available       HTTP      authentication      methods.       See
              CURLINFO_HTTPAUTH_AVAIL(3)

       CURLINFO_PROXYAUTH_AVAIL
              Available HTTP proxy authentication methods.  See CURLINFO_PROX-
              YAUTH_AVAIL(3)

       CURLINFO_OS_ERRNO
              The   errno   from   the   last   failure   to   connect.    See
              CURLINFO_OS_ERRNO(3)

       CURLINFO_NUM_CONNECTS
              Number of new successful connections used for previous transfer.
              See CURLINFO_NUM_CONNECTS(3)

       CURLINFO_PRIMARY_IP
              IP address of the last connection.  See CURLINFO_PRIMARY_IP(3)

       CURLINFO_PRIMARY_PORT
              Port of the last connection.  See CURLINFO_PRIMARY_PORT(3)

       CURLINFO_LOCAL_IP
              Local-end     IP    address    of    last    connection.     See
              CURLINFO_LOCAL_IP(3)

       CURLINFO_LOCAL_PORT
              Local-end port of last connection.  See CURLINFO_LOCAL_PORT(3)

       CURLINFO_COOKIELIST
              List of all known cookies.  See CURLINFO_COOKIELIST(3)

       CURLINFO_LASTSOCKET
              Last socket used.  See CURLINFO_LASTSOCKET(3)

       CURLINFO_ACTIVESOCKET
              The session's active socket.  See CURLINFO_ACTIVESOCKET(3)

       CURLINFO_FTP_ENTRY_PATH
              The  entry  path  after  logging  in  to  an  FTP  server.   See
              CURLINFO_FTP_ENTRY_PATH(3)

       CURLINFO_CERTINFO
              Certificate chain.  See CURLINFO_CERTINFO(3)

       CURLINFO_TLS_SSL_PTR
              TLS  session  info that can be used for further processing.  See
              CURLINFO_TLS_SSL_PTR(3)

       CURLINFO_TLS_SESSION
              TLS session info that can be used for further  processing.   See
              CURLINFO_TLS_SESSION(3).       Deprecated       option,      use
              CURLINFO_TLS_SSL_PTR(3) instead!

       CURLINFO_CONDITION_UNMET
              Whether or not a time conditional was met.  See  CURLINFO_CONDI-
              TION_UNMET(3)

       CURLINFO_RTSP_SESSION_ID
              RTSP session ID.  See CURLINFO_RTSP_SESSION_ID(3)

       CURLINFO_RTSP_CLIENT_CSEQ
              RTSP     CSeq     that     will     next     be    used.     See
              CURLINFO_RTSP_CLIENT_CSEQ(3)

       CURLINFO_RTSP_SERVER_CSEQ
              RTSP    CSeq    that    will    next    be    expected.      See
              CURLINFO_RTSP_SERVER_CSEQ(3)

       CURLINFO_RTSP_CSEQ_RECV
              RTSP CSeq last received.  See CURLINFO_RTSP_CSEQ_RECV(3)

       CURLINFO_PROTOCOL
              The  protocol  used  for  the  connection. (Added in 7.52.0) See
              CURLINFO_PROTOCOL(3)

       CURLINFO_SCHEME
              The scheme used  for  the  connection.  (Added  in  7.52.0)  See
              CURLINFO_SCHEME(3)


TIMES

       An overview of the six time values available from curl_easy_getinfo()

       curl_easy_perform()
           |
           |--NAMELOOKUP
           |--|--CONNECT
           |--|--|--APPCONNECT
           |--|--|--|--PRETRANSFER
           |--|--|--|--|--STARTTRANSFER
           |--|--|--|--|--|--TOTAL
           |--|--|--|--|--|--REDIRECT

       NAMELOOKUP
              CURLINFO_NAMELOOKUP_TIME and fICURLINFO_NAMELOOKUP_TIME_T.   The
              time  it  took  from the start until the name resolving was com-
              pleted.

       CONNECT
              CURLINFO_CONNECT_TIME and CURLINFO_CONNECT_TIME_T.  The time  it
              took  from  the  start  until the connect to the remote host (or
              proxy) was completed.

       APPCONNECT
              CURLINFO_APPCONNECT_TIME  and  CURLINFO_APPCONNECT_TIME_T.   The
              time it took from the start until the SSL connect/handshake with
              the remote host was completed. (Added in 7.19.0) The  latter  is
              the integer version (measuring microseconds).  (Added in 7.60.0)

       PRETRANSFER
              CURLINFO_PRETRANSFER_TIME and CURLINFO_PRETRANSFER_TIME_T.   The
              time  it  took  from  the  start until the file transfer is just
              about to begin. This  includes  all  pre-transfer  commands  and
              negotiations  that  are  specific  to the particular protocol(s)
              involved.

       STARTTRANSFER
              CURLINFO_STARTTRANSFER_TIME  and  CURLINFO_STARTTRANSFER_TIME_T.
              The time it took from the start until the first byte is received
              by libcurl.

       TOTAL  CURLINFO_TOTAL_TIME and CURLINFO_TOTAL_TIME_T.   Total  time  of
              the previous request.

       REDIRECT
              CURLINFO_REDIRECT_TIME  and  CURLINFO_REDIRECT_TIME_T.  The time
              it took for all redirection steps include name lookup,  connect,
              pretransfer  and  transfer before final transaction was started.
              So, this is zero if no redirection took place.


RETURN VALUE

       If the operation was successful, CURLE_OK  is  returned.  Otherwise  an
       appropriate error code will be returned.


SEE ALSO

       curl_easy_setopt(3)



libcurl 7.61.0                   May 17, 2018             curl_easy_getinfo(3)

curl 7.61.0 - Generated Thu Jul 26 13:09:02 CDT 2018
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