# Copyright 2008 Nathan Phillip Brink, Ethan Zonca

#

# This file is a part of DistRen.

#

# Distren is free software: you can redistribute it and/or modify

# it under the terms of the GNU Affero General Public License as published by

# the Free Software Foundation, either version 3 of the License, or

# (at your option) any later version.

#

# DistRen 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 Affero General Public License for more details.

#

# You should have received a copy of the GNU Affero General Public License

# along with DistRen.  If not, see <http://www.gnu.org/licenses/>.

AC_PREREQ(2.61)

AC_INIT([distren],[0.0],[ohnobinki@ohnopublishing.net])

AC_CONFIG_SRCDIR([src/server/distrend.c])

AC_PROG_CC

AC_PROG_LIBTOOL

#AC_PROG_RANLIB #don't add this even if autoscan says to, because AC_PROG_LIBTOOL is enough

AM_INIT_AUTOMAKE

AM_PROG_CC_C_O

AM_PATH_XML2(2.6.26)

#basic low-level checks (suggested by autoscan)

AC_CHECK_FUNCS([dup2])

AC_CHECK_FUNCS([memset])

AC_CHECK_FUNCS([strdup])

AC_CHECK_HEADERS([fcntl.h])

AC_CHECK_HEADERS([malloc.h])

AC_FUNC_FORK

AC_FUNC_MALLOC

AC_TYPE_PID_T

AC_TYPE_SIZE_T

#package dependencies:

PKG_PROG_PKG_CONFIG(0.17.2)

PKG_CHECK_MODULES(DISTLIBS, libconfuse >= 2.5 libcurl libxml-2.0)

AC_DEFINE_DIR([SYSCONFDIR], [sysconfdir], [Directory to find configuration files in])

AC_CONFIG_FILES([Makefile

src/Makefile

src/common/Makefile

src/server/Makefile

src/client/Makefile

src/tests/Makefile

etc/Makefile

])

AC_OUTPUT

    {

      CFG_SIMPLE_STR("type", NULL),

      CFG_SIMPLE_STR("path", NULL),

      CFG_SIMPLE_INT("port", NULL),

      CFG_END()

    };

  cfg_opt_t myopts[] =

    {

      CFG_SEC("listen",  /* this must be imported into struct listens (which must still be declared) */

          myopts_listen,

          CFGF_MULTI),

      CFG_SIMPLE_STR("datadir", NULL),

      CFG_END()

    };

  struct distrenjob *distrenjob;

  int tmp;

  xmlinit();

  /*

   * test xml2distrenjob()

   */

  tmp = xml2distrenjob(&distrenjob, "distrenjob.xml.example");

  if(tmp)

    fprintf(stderr, "xml2distrenjob() returned %d. Try to cd to distren/doc if you want to test out the xml2distrenjob() function. (This will only fix this error if the error is due to an inability of the xml library to access distrenjob.xml.example)\n", tmp);

  else

    fprintf(stderr, "using email ``%s'' for user ``%s'' -- reading in XML files and pulling data from them using libxml2+XPath works!!!\n", distrenjob->email, distrenjob->submitter);

  fprintf(stderr, "%s:%d running config\n", __FILE__, __LINE__);

  *config = malloc(sizeof(struct distrend_config));

  myopts[1].simple_value = &(*config)->datadir;

  options_init(argc, argv, &(*config)->mycfg, myopts, "server", &(*config)->options);

  fprintf(stderr, "using %s as datadir\n", (*config)->datadir);

  xmlcleanup();

  return 0;

}

int distrend_config_free(struct distrend_config *config)

{

  options_free(config->options);

  free(config);

  return 0;

}

/* ************************** Main ************************* */

int main(int argc, char *argv[])

{

  /* @TODO: Put some arg-grabbing code here */

  struct distrenjob head;

  head.priority = 0; // make head have the highest priority

  int cont;

  struct distrend_listenset *listenset;

  struct distrend_config *config;

  enum clientstatus

  {

    CLIENTSTATUS_UNINITIALIZED = 0,

    CLIENTSTATUS_BUSY = 1,

    CLIENTSTATUS_IDLE = 2

  } clientstatus;

  cont = 1;

  memset(&head, '\0', sizeof(struct distrenjob));

  start_data(); // Starts fresh or loads data from xml dump. Should we grab the return?

  distrend_do_config(argc, argv, &config);

  distrend_listen(&listenset, config);

  /* This is called the "main loop" */

  while(cont)

    {

      struct distren_action *action;

      int clientsays = 0; /*< temporary example variable, will be replaced when we can handle messages */

      distrend_accept(&action);

      cont = distrend_do(action);

      /* Make the following code more event-driven */

      frame_watchdog(&head);

      struct frameset *frame;

      struct distrenjob *job;

      /* If the client is idle, must be modified for climbing through linked list of clients (client->clientnum) */

      if(clientstatus == CLIENTSTATUS_IDLE)