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/*
* Copyright (C) 2015 Freie Universitรคt Berlin
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup net_pktdump
* @{
*
* @file
* @brief Generic module to dump packages received via netapi to STDOUT
*
* @author Hauke Petersen <hauke.petersen@fu-berlin.de>
*
* @}
*/
#include <inttypes.h>
#include <stdio.h>
#include <errno.h>
#include "byteorder.h"
#include "thread.h"
#include "msg.h"
#include "net/gnrc/pktdump.h"
#include "net/gnrc.h"
#include "net/ipv6/addr.h"
#include "net/ipv6/hdr.h"
#include "net/udp.h"
#include "net/sixlowpan.h"
#include "od.h"
/**
* @brief PID of the pktdump thread
*/
kernel_pid_t gnrc_pktdump_pid = KERNEL_PID_UNDEF;
/**
* @brief Stack for the pktdump thread
*/
static char _stack[GNRC_PKTDUMP_STACKSIZE];
static void _dump_snip(gnrc_pktsnip_t *pkt)
{
switch (pkt->type) {
case GNRC_NETTYPE_UNDEF:
printf("NETTYPE_UNDEF (%i)\n", pkt->type);
od_hex_dump(pkt->data, pkt->size, OD_WIDTH_DEFAULT);
break;
#ifdef MODULE_GNRC_NETIF
case GNRC_NETTYPE_NETIF:
printf("NETTYPE_NETIF (%i)\n", pkt->type);
gnrc_netif_hdr_print(pkt->data);
break;
#endif
#ifdef MODULE_GNRC_SIXLOWPAN
case GNRC_NETTYPE_SIXLOWPAN:
printf("NETTYPE_SIXLOWPAN (%i)\n", pkt->type);
sixlowpan_print(pkt->data, pkt->size);
break;
#endif
#ifdef MODULE_GNRC_IPV6
case GNRC_NETTYPE_IPV6:
printf("NETTYPE_IPV6 (%i)\n", pkt->type);
ipv6_hdr_print(pkt->data);
break;
#endif
#ifdef MODULE_GNRC_ICMPV6
case GNRC_NETTYPE_ICMPV6:
printf("NETTYPE_ICMPV6 (%i)\n", pkt->type);
break;
#endif
#ifdef MODULE_GNRC_TCP
case GNRC_NETTYPE_TCP:
printf("NETTYPE_TCP (%i)\n", pkt->type);
break;
#endif
#ifdef MODULE_GNRC_UDP
case GNRC_NETTYPE_UDP:
printf("NETTYPE_UDP (%i)\n", pkt->type);
udp_hdr_print(pkt->data);
break;
#endif
#ifdef TEST_SUITES
case GNRC_NETTYPE_TEST:
printf("NETTYPE_TEST (%i)\n", pkt->type);
od_hex_dump(pkt->data, pkt->size, OD_WIDTH_DEFAULT);
break;
#endif
default:
printf("NETTYPE_UNKNOWN (%i)\n", pkt->type);
od_hex_dump(pkt->data, pkt->size, OD_WIDTH_DEFAULT);
break;
}
}
static void _dump(gnrc_pktsnip_t *pkt)
{
int snips = 0;
int size = 0;
gnrc_pktsnip_t *snip = pkt;
while (snip != NULL) {
printf("~~ SNIP %2i - size: %3u byte, type: ", snips,
(unsigned int)snip->size);
_dump_snip(snip);
++snips;
size += snip->size;
snip = snip->next;
}
printf("~~ PKT - %2i snips, total size: %3i byte\n", snips, size);
gnrc_pktbuf_release(pkt);
}
static void *_eventloop(void *arg)
{
(void)arg;
msg_t msg, reply;
msg_t msg_queue[GNRC_PKTDUMP_MSG_QUEUE_SIZE];
/* setup the message queue */
msg_init_queue(msg_queue, GNRC_PKTDUMP_MSG_QUEUE_SIZE);
reply.content.value = (uint32_t)(-ENOTSUP);
reply.type = GNRC_NETAPI_MSG_TYPE_ACK;
while (1) {
msg_receive(&msg);
switch (msg.type) {
case GNRC_NETAPI_MSG_TYPE_RCV:
puts("PKTDUMP: data received:");
_dump(msg.content.ptr);
break;
case GNRC_NETAPI_MSG_TYPE_SND:
puts("PKTDUMP: data to send:");
_dump(msg.content.ptr);
break;
case GNRC_NETAPI_MSG_TYPE_GET:
case GNRC_NETAPI_MSG_TYPE_SET:
msg_reply(&msg, &reply);
break;
default:
puts("PKTDUMP: received something unexpected");
break;
}
}
/* never reached */
return NULL;
}
kernel_pid_t gnrc_pktdump_init(void)
{
if (gnrc_pktdump_pid == KERNEL_PID_UNDEF) {
gnrc_pktdump_pid = thread_create(_stack, sizeof(_stack), GNRC_PKTDUMP_PRIO,
THREAD_CREATE_STACKTEST,
_eventloop, NULL, "pktdump");
}
return gnrc_pktdump_pid;
}
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