gnrc_pktdump.c
4.34 KB
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
/*
* Copyright (C) 2015 Freie Universität 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/icmpv6.h"
#include "net/ipv6/addr.h"
#include "net/ipv6/hdr.h"
#include "net/tcp.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);
icmpv6_hdr_print(pkt->data);
break;
#endif
#ifdef MODULE_GNRC_TCP
case GNRC_NETTYPE_TCP:
printf("NETTYPE_TCP (%i)\n", pkt->type);
tcp_hdr_print(pkt->data);
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;
}