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/* Command Message Queue
* Copyright (C) 2009 Chris Hall (GMCH), Highwayman
*
* This file is part of GNU Zebra.
*
* GNU Zebra is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published
* by the Free Software Foundation; either version 2, or (at your
* option) any later version.
*
* GNU Zebra 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with GNU Zebra; see the file COPYING. If not, write to the
* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
* Boston, MA 02111-1307, USA.
*/
#include <zebra.h>
#include "mqueue.h"
#include "qpnexus.h"
#include "memory.h"
#include "command_queue.h"
/* Prototypes */
static void cq_action(mqueue_block mqb, mqb_flag_t flag);
/* We have too many parameters for a message queue block so have to marshal */
struct marshal
{
struct cmd_element *matched_element;
struct vty *vty;
int argc;
char **argv;
};
void
cq_enqueue(struct cmd_element *matched_element, struct vty *vty,
int argc, const char *argv[], qpn_nexus bgp_nexus)
{
struct marshal *wyatt = XCALLOC(MTYPE_MARSHAL, sizeof(struct marshal)) ;
int i;
mqueue_block mqb = NULL;
wyatt->matched_element = matched_element;
wyatt->vty = vty;
wyatt->argc = argc;
wyatt->argv = argc ? XCALLOC(MTYPE_MARSHAL, sizeof (char*) * argc) : NULL;
for (i = 0; i < argc; ++i)
{
wyatt->argv[i] = XSTRDUP(MTYPE_MARSHAL, argv[i]);
}
mqb = mqb_init_new(mqb, cq_action, 0) ;
mqb->arg0 = wyatt;
mqueue_enqueue(bgp_nexus->queue, mqb, 0) ;
}
/* dispatch a command from the message queue block */
static void
cq_action(mqueue_block mqb, mqb_flag_t flag)
{
int result;
int i;
struct marshal *wyatt = mqb->arg0;
if (flag == mqb_action)
{
/* Execute matched command. */
result = (*wyatt->matched_element->func)
(wyatt->matched_element, wyatt->vty, wyatt->argc, (const char **)wyatt->argv);
/* report */
vty_queued_result(wyatt->vty, result);
}
/* clean up */
for (i = 0; i< wyatt->argc; ++i)
{
XFREE(MTYPE_MARSHAL, wyatt->argv[i]);
}
if (wyatt->argv)
XFREE(MTYPE_MARSHAL, wyatt->argv);
XFREE(MTYPE_MARSHAL, wyatt);
mqb_free(mqb);
}
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