/* wrappi
 * Copyright (C) 2011-2012 Red Hat Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 */

#include <config.h>

#include <stdio.h>
#include <stdlib.h>
#include <rpc/xdr.h>

#include "wrappi.h"

/* XXX XDR code should be in its own mini-library.
 * OR we should export a way to serialize function calls.
 */
#include "internal.h"

static void main_loop (void);

static wrap_h *w;

int
main (int argc, char *argv[])
{
  /* Command line XXX */

  w = wrap_create ();
  if (!w) {
    fprintf (stderr, "could not allocate wrappi handle\n");
    exit (EXIT_FAILURE);
  }

  wrap_connect (w);
  if (wrap_error (w))
    exit (EXIT_FAILURE);

  main_loop ();

  wrap_close (w);

  exit (EXIT_SUCCESS);
}

static void
main_loop (void)
{
  XDR xdr;
  xdrproc_t xdrp_args;
  xdrproc_t xdrp_ret;
  struct wrap_int_message_header hdr;
  struct wrap_int_message_error err;
  size_t i;

  for (;;) {
    /* Receive the request header. */
    xdrstdio_create (&xdr, stdin, XDR_DECODE);
    memset (&hdr, 0, sizeof hdr);
    if (!wrap_int_xdr_message_header (&xdr, &hdr)) {
      fprintf (stderr, "error receiving request header\n");
      return;
    }

    if (hdr.magic != WRAP_INT_PROTO_MAGIC) {
      fprintf (stderr, "error in request: unexpected magic (%x)\n",
               hdr.magic);
    return;
    }
    if (hdr.protocol != WRAP_INT_PROTOCOL) {
      fprintf (stderr, "error in request: unexpected protocol number (%d)\n",
               hdr.protocol);
      return;
    }
    if (hdr.type != WRAP_INT_PROTO_TYPE_REQUEST) {
      fprintf (stderr, "error in request: unexpected type (%d)\n",
               hdr.type);
      return;
    }

    /* Convert the proc name to the internal entry point. */
    /* XXX We're going to use gperf here, as we do in libguestfs. */
    for (i = 0; i < wrap_int_nr_procs; ++i) {
      if (STREQ (wrap_int_proc_table[i].name, hdr.proc))
        goto found;
    }
    fprintf (stderr, "unknown proc name in request: %s\n", hdr.proc);
    exit (EXIT_FAILURE);

  found:
    xdrp_args = wrap_int_proc_table[i].xdr_args;
    assert (xdrp_args);
    xdrp_ret = wrap_int_proc_table[i].xdr_ret;
    assert (xdrp_ret);

    /* Receive the arguments. */
    



  }
}