nghttp(1)
=========

SYNOPSIS
--------

**nghttp** [OPTIONS]... <URI>...

DESCRIPTION
-----------

HTTP/2 experimental client

.. describe:: <URI>

    Specify URI to access.

OPTIONS:
--------

.. option:: -v, --verbose

    Print  debug information  such  as reception  and
    transmission  of  frames  and  name/value  pairs.
    Specifying this  option multiple  times increases
    verbosity.

.. option:: -n, --null-out

    Discard downloaded data.

.. option:: -O, --remote-name

    Save download data in the current directory.  The
    filename is dereived from  URI.  If URI ends with
    '*/*',  'index.html' is  used as  a filename.   Not
    implemented yet.

.. option:: -t, --timeout=<N>

    Timeout each request after <N> seconds.

.. option:: -w, --window-bits=<N>

    Sets  the stream  level  initial  window size  to
    2\*\*<N>-1.

.. option:: -W, --connection-window-bits=<N>

    Sets the connection level  initial window size to
    2\*\*<N>-1.

.. option:: -a, --get-assets

    Download assets  such as stylesheets,  images and
    script files linked from the downloaded resource.
    Only links  whose origins  are the same  with the
    linking  resource  will  be  downloaded.   nghttp
    prioritizes  resources  using  HTTP/2  dependency
    based priority.  The priority order, from highest
    to lowest,  is html  itself, css,  javascript and
    images.

.. option:: -s, --stat

    Print statistics.

.. option:: -H, --header=<HEADER>

    Add   a  header   to   the  requests.    Example:
    :option:`-H`\':method: PUT'

.. option:: --cert=<CERT>

    Use the  specified client certificate  file.  The
    file must be in PEM format.

.. option:: --key=<KEY>

    Use the  client private key file.   The file must
    be in PEM format.

.. option:: -d, --data=<FILE>

    Post FILE to  server. If '-' is  given, data will
    be read from stdin.

.. option:: -m, --multiply=<N>

    Request each URI <N> times.  By default, same URI
    is not requested twice.   This option disables it
    too.

.. option:: -u, --upgrade

    Perform HTTP Upgrade for  HTTP/2.  This option is
    ignored if the request  URI has https scheme.  If
    :option:`-d` is used, the HTTP upgrade request is performed
    with OPTIONS method.

.. option:: -p, --weight=<WEIGHT>

    Sets  priority  group  weight.  The  valid  value
    range is [1, 256], inclusive.

    Default: ``16``

.. option:: -M, --peer-max-concurrent-streams=<N>

    Use <N>  as SETTINGS_MAX_CONCURRENT_STREAMS value
    of  remote  endpoint  as  if it  is  received  in
    SETTINGS frame.   The default is large  enough as
    it is seen as unlimited.

.. option:: -c, --header-table-size=<N>

    Specify decoder header table size.

.. option:: -b, --padding=<N>

    Add  at most  <N>  bytes to  a  frame payload  as
    padding.  Specify 0 to disable padding.

.. option:: -r, --har=<FILE>

    Output  HTTP transactions  <FILE> in  HAR format.
    If '-' is given, data is written to stdout.

.. option:: --color

    Force colored log output.

.. option:: --continuation

    Send large header to test CONTINUATION.

.. option:: --no-content-length

    Don't send content-length header field.

.. option:: --no-dep

    Don't  send  dependency  based priority  hint  to
    server.

.. option:: --dep-idle

    Use  idle  streams  as anchor  nodes  to  express
    priority.

.. option:: --version

    Display version information and exit.

.. option:: -h, --help

    Display this help and exit.

SEE ALSO
--------

:manpage:`nghttpd(1)`, :manpage:`nghttpx(1)`, :manpage:`h2load(1)`