Contiki-NG
shell.c
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1 /*
2  * Copyright (c) 2018, Inria.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  * notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  * notice, this list of conditions and the following disclaimer in the
12  * documentation and/or other materials provided with the distribution.
13  * 3. Neither the name of the Institute nor the names of its contributors
14  * may be used to endorse or promote products derived from this software
15  * without specific prior written permission.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
18  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20  * ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
21  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27  * SUCH DAMAGE.
28  *
29  * This file is part of the Contiki operating system.
30  *
31  */
32 
33 /**
34  * \file
35  * The shell application
36  * \author
37  * Simon Duquennoy <simon.duquennoy@inria.fr>
38  */
39 
40 /**
41  * \addtogroup shell
42  * @{
43  */
44 
45 #include "contiki.h"
46 #include "shell.h"
47 #include "shell-commands.h"
48 #include "net/ipv6/uip.h"
49 #include "net/ipv6/ip64-addr.h"
50 #include "net/ipv6/uiplib.h"
51 
52 #if NETSTACK_CONF_WITH_IPV6
53 /*---------------------------------------------------------------------------*/
54 void
55 shell_output_6addr(shell_output_func output, const uip_ipaddr_t *ipaddr)
56 {
57  char buf[UIPLIB_IPV6_MAX_STR_LEN];
58  uiplib_ipaddr_snprint(buf, sizeof(buf), ipaddr);
59  SHELL_OUTPUT(output, "%s", buf);
60 }
61 #endif /* NETSTACK_CONF_WITH_IPV6 */
62 /*---------------------------------------------------------------------------*/
63 void
64 shell_output_lladdr(shell_output_func output, const linkaddr_t *lladdr)
65 {
66  if(lladdr == NULL) {
67  SHELL_OUTPUT(output, "(NULL LL addr)");
68  return;
69  } else {
70  unsigned int i;
71  for(i = 0; i < LINKADDR_SIZE; i++) {
72  if(i > 0 && i % 2 == 0) {
73  SHELL_OUTPUT(output, ".");
74  }
75  SHELL_OUTPUT(output, "%02x", lladdr->u8[i]);
76  }
77  }
78 }
79 /*---------------------------------------------------------------------------*/
80 static void
81 output_prompt(shell_output_func output)
82 {
83  SHELL_OUTPUT(output, "#");
85  SHELL_OUTPUT(output, "> ");
86 }
87 /*---------------------------------------------------------------------------*/
88 PT_THREAD(shell_input(struct pt *pt, shell_output_func output, const char *cmd))
89 {
90  static char *args;
91  static const struct shell_command_t *cmd_descr = NULL;
92 
93  PT_BEGIN(pt);
94 
95  /* Shave off any leading spaces. */
96  while(*cmd == ' ') {
97  cmd++;
98  }
99 
100  /* Skip empty lines */
101  if(*cmd != '\0') {
102  /* Look for arguments */
103  args = strchr(cmd, ' ');
104  if(args != NULL) {
105  *args = '\0';
106  args++;
107  }
108 
109  cmd_descr = shell_command_lookup(cmd);
110  if(cmd_descr != NULL) {
111  static struct pt cmd_pt;
112  PT_SPAWN(pt, &cmd_pt, cmd_descr->func(&cmd_pt, output, args));
113  } else {
114  SHELL_OUTPUT(output, "Command not found. Type 'help' for a list of commands\n");
115  }
116  }
117 
118  output_prompt(output);
119  PT_END(pt);
120 }
121 /*---------------------------------------------------------------------------*/
122 void
124 {
126 }
127 /** @} */
static uip_ipaddr_t ipaddr
Pointer to prefix information option in uip_buf.
Definition: uip-nd6.c:116
Main header file for the Contiki shell
void shell_commands_init(void)
Initializes Shell-commands module.
void shell_output_lladdr(shell_output_func output, const linkaddr_t *lladdr)
Prints a link-layer address.
Definition: shell.c:64
Main header file for the Contiki shell
#define PT_BEGIN(pt)
Declare the start of a protothread inside the C function implementing the protothread.
Definition: pt.h:114
#define PT_SPAWN(pt, child, thread)
Spawn a child protothread and wait until it exits.
Definition: pt.h:205
static uint8_t output(const linkaddr_t *localdest)
Take an IP packet and format it to be sent on an 802.15.4 network using 6lowpan.
Definition: sicslowpan.c:1565
linkaddr_t linkaddr_node_addr
The link-layer address of the node.
Definition: linkaddr.c:48
Header file for the IP address manipulation library.
#define PT_END(pt)
Declare the end of a protothread.
Definition: pt.h:126
#define PT_THREAD(name_args)
Declaration of a protothread.
Definition: pt.h:99
void shell_init(void)
Initializes Shell module.
Definition: shell.c:123
Header file for the uIP TCP/IP stack.
void shell_output_6addr(shell_output_func output, const uip_ipaddr_t *ipaddr)
Prints an IPv6 address.
Definition: shell.c:55
int uiplib_ipaddr_snprint(char *buf, size_t size, const uip_ipaddr_t *addr)
Write at most size - 1 characters of the IP address to the output string.
Definition: uiplib.c:166