nuttx-apps/wireless/ieee802154/i8sak/i8sak_assoc.c

345 lines
10 KiB
C

/****************************************************************************
* apps/wireless/ieee802154/i8sak/i8sak_assoc.c
* IEEE 802.15.4 Swiss Army Knife
*
* Copyright (C) 2014-2015, 2017 Gregory Nutt. All rights reserved.
* Copyright (C) 2014-2015 Sebastien Lorquet. All rights reserved.
* Copyright (C) 2017 Verge Inc. All rights reserved.
*
* Author: Sebastien Lorquet <sebastien@lorquet.fr>
* Author: Anthony Merlino <anthony@vergeaero.com>
* Author: Gregory Nuttx <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <nuttx/config.h>
#include <sys/ioctl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <string.h>
#include <errno.h>
#include <fcntl.h>
#include <nuttx/fs/ioctl.h>
#include <nuttx/wireless/ieee802154/ieee802154_mac.h>
#include "wireless/ieee802154.h"
#include "i8sak.h"
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
static void assoc_eventcb(FAR struct ieee802154_primitive_s *primitive, FAR void *arg);
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name : i8sak_assoc
*
* Description :
* Request association with the Coordinator
****************************************************************************/
void i8sak_assoc_cmd(FAR struct i8sak_s *i8sak, int argc, FAR char *argv[])
{
struct ieee802154_assoc_req_s assocreq;
struct i8sak_eventfilter_s filter;
FAR struct ieee802154_pandesc_s *pandesc;
struct ieee802154_set_req_s setreq;
bool retry = false;
int maxretries = 0;
int retrycnt;
int fd = 0;
int option;
int optcnt;
int ret;
uint8_t resindex;
setreq.attr = IEEE802154_ATTR_MAC_RESPONSE_WAIT_TIME;
setreq.attrval.mac.resp_waittime = 32;
optcnt = 0;
while ((option = getopt(argc, argv, ":hp:e:s:w:r:t:")) != ERROR)
{
optcnt++;
switch (option)
{
case 'h':
fprintf(stderr, "Requests association with endpoint\n"
"Usage: %s [-h] [-w <count>\n"
" -h = this help menu\n"
" -p = coordinator PAN ID\n"
" -e = coordinator ext address\n"
" -s = coordinator short address\n"
" -w = wait and retry on failure\n"
" -r = use scan result index\n"
" -t = response wait time\n"
, argv[0]);
/* Must manually reset optind if we are going to exit early */
optind = -1;
return;
case 'r':
resindex = i8sak_str2luint8(optarg);
if (resindex >= i8sak->npandesc)
{
fprintf(stderr, "ERROR: missing argument\n");
/* Must manually reset optind if we are going to exit early */
optind = -1;
i8sak_cmd_error(i8sak); /* This exits for us */
}
pandesc = &i8sak->pandescs[resindex];
i8sak->chan = pandesc->chan;
i8sak->chpage = pandesc->chpage;
memcpy(&i8sak->ep_addr, &pandesc->coordaddr,
sizeof(struct ieee802154_addr_s));
break;
case 'p':
/* Parse short address and put it into the i8sak instance */
i8sak_str2panid(optarg, i8sak->ep_addr.panid);
break;
case 's':
/* Parse short address and put it into the i8sak instance */
i8sak_str2saddr(optarg, i8sak->ep_addr.saddr);
i8sak->ep_addr.mode= IEEE802154_ADDRMODE_SHORT;
break;
case 'e':
/* Parse extended address and put it into the i8sak instance */
i8sak_str2eaddr(optarg, i8sak->ep_addr.eaddr);
i8sak->ep_addr.mode = IEEE802154_ADDRMODE_EXTENDED;
break;
case 't':
/* Parse wait time and set the parameter in the request */
setreq.attrval.mac.resp_waittime = i8sak_str2luint8(optarg);
break;
case 'w':
/* Wait and retry if we fail to associate */
retry = true;
maxretries = atoi(optarg);
break;
case ':':
fprintf(stderr, "ERROR: missing argument\n");
/* Must manually reset optind if we are going to exit early */
optind = -1;
i8sak_cmd_error(i8sak); /* This exits for us */
case '?':
fprintf(stderr, "ERROR: unknown argument\n");
/* Must manually reset optind if we are going to exit early */
optind = -1;
i8sak_cmd_error(i8sak); /* This exits for us */
}
}
if (i8sak->mode == I8SAK_MODE_CHAR)
{
fd = open(i8sak->ifname, O_RDWR);
if (fd < 0)
{
fprintf(stderr, "ERROR: cannot open %s, errno=%d\n", i8sak->ifname, errno);
i8sak_cmd_error(i8sak);
}
ieee802154_set_req(fd, &setreq);
}
#ifdef CONFIG_NET_6LOWPAN
else if (i8sak->mode == I8SAK_MODE_NETIF)
{
fd = socket(PF_INET6, SOCK_DGRAM, 0);
if (fd < 0)
{
fprintf(stderr, "ERROR: failed to open socket, errno=%d\n", errno);
i8sak_cmd_error(i8sak);
}
sixlowpan_set_req(fd, i8sak->ifname, &setreq);
}
#endif
i8sak_requestdaemon(i8sak);
/* Register new callback for receiving the association notifications. */
memset(&filter, 0, sizeof(struct i8sak_eventfilter_s));
filter.confevents.assoc = true;
i8sak_eventlistener_addreceiver(i8sak, assoc_eventcb, &filter, false);
/* Loop for the specified retry count if the association fails.
*/
retrycnt = 0;
for (; ; )
{
printf("i8sak: issuing ASSOC. request %d\n", retrycnt + 1);
/* Issue association request */
assocreq.chan = i8sak->chan;
assocreq.chpage = i8sak->chpage;
memcpy(&assocreq.coordaddr, &i8sak->ep_addr,
sizeof(struct ieee802154_addr_s));
assocreq.capabilities.devtype = 0;
assocreq.capabilities.powersource = 1;
assocreq.capabilities.rxonidle = 1;
assocreq.capabilities.security = 0;
assocreq.capabilities.allocaddr = 1;
if (i8sak->mode == I8SAK_MODE_CHAR)
{
ieee802154_assoc_req(fd, &assocreq);
}
#ifdef CONFIG_NET_6LOWPAN
else if (i8sak->mode == I8SAK_MODE_NETIF)
{
sixlowpan_assoc_req(fd, i8sak->ifname, &assocreq);
}
#endif
/* Wait for the assocconf event */
i8sak->assoc = true;
i8sak->result = -EBUSY;
ret = sem_wait(&i8sak->sigsem);
if (ret != OK)
{
i8sak->assoc = false;
i8sak_cmd_error(i8sak);
break;
}
/* Check if the association was successful */
if (i8sak->result == OK)
{
/* Break out and return if the association was successful. */
break;
}
/* Not successful .. were we asked to retry in the event of an
* association failure?
*/
if (!retry)
{
/* No retries... break out now with the failed association */
break;
}
/* A retry count of zero means to retry forever. Otherwise,
* abort as soon as the maximum number of retries have been
* performed.
*/
if (maxretries > 0 && retrycnt >= maxretries)
{
/* Max retry count exceeded -- break out now with a failed
* association.
*/
break;
}
/* Otherwise, wait a bit and try again */
sleep(2);
retrycnt++;
}
/* Clean up and return */
i8sak_eventlistener_removereceiver(i8sak, assoc_eventcb);
i8sak_releasedaemon(i8sak);
close(fd);
}
/****************************************************************************
* Private Functions
****************************************************************************/
static void assoc_eventcb(FAR struct ieee802154_primitive_s *primitive, FAR void *arg)
{
FAR struct i8sak_s *i8sak = (FAR struct i8sak_s *)arg;
if (primitive->u.assocconf.status == IEEE802154_STATUS_SUCCESS)
{
printf("i8sak: ASSOC.request succeeded\n");
i8sak->result = OK;
}
else
{
printf("i8sak: ASSOC.request failed: %s\n",
IEEE802154_STATUS_STRING[primitive->u.assocconf.status]);
i8sak->result = -EAGAIN;
}
if (i8sak->assoc)
{
i8sak->assoc = false;
sem_post(&i8sak->sigsem);
}
}