157 lines
4.5 KiB
C
157 lines
4.5 KiB
C
/*
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* Copyright (c) 2018, Inria.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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*/
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/**
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* \file
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* The shell application
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* \author
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* Simon Duquennoy <simon.duquennoy@inria.fr>
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*/
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/**
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* \addtogroup shell Shell
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The shell enables to inspect and manage the network layer and provides
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other system functionalities
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* \ingroup lib
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* @{
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*/
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#include "contiki.h"
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#include "shell.h"
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#include "shell-commands.h"
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#include "net/ipv6/uip.h"
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#include "net/ipv6/ip64-addr.h"
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/*---------------------------------------------------------------------------*/
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void
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shell_output_6addr(shell_output_func output, const uip_ipaddr_t *ipaddr)
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{
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uint16_t a;
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unsigned int i;
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int f;
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if(ipaddr == NULL) {
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SHELL_OUTPUT(output, "(NULL IP addr)");
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return;
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}
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if(ip64_addr_is_ipv4_mapped_addr(ipaddr)) {
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/* Printing IPv4-mapped addresses is done according to RFC 4291 */
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SHELL_OUTPUT(output, "::FFFF:%u.%u.%u.%u", ipaddr->u8[12], ipaddr->u8[13], ipaddr->u8[14], ipaddr->u8[15]);
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} else {
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for(i = 0, f = 0; i < sizeof(uip_ipaddr_t); i += 2) {
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a = (ipaddr->u8[i] << 8) + ipaddr->u8[i + 1];
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if(a == 0 && f >= 0) {
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if(f++ == 0) {
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SHELL_OUTPUT(output, "::");
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}
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} else {
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if(f > 0) {
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f = -1;
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} else if(i > 0) {
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SHELL_OUTPUT(output, ":");
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}
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SHELL_OUTPUT(output, "%x", a);
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}
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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void
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shell_output_lladdr(shell_output_func output, const linkaddr_t *lladdr)
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{
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if(lladdr == NULL) {
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SHELL_OUTPUT(output, "(NULL LL addr)");
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return;
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} else {
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unsigned int i;
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for(i = 0; i < LINKADDR_SIZE; i++) {
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if(i > 0 && i % 2 == 0) {
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SHELL_OUTPUT(output, ".");
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}
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SHELL_OUTPUT(output, "%02x", lladdr->u8[i]);
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}
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}
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}
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/*---------------------------------------------------------------------------*/
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static void
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output_prompt(shell_output_func output)
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{
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SHELL_OUTPUT(output, "#");
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shell_output_lladdr(output, &linkaddr_node_addr);
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SHELL_OUTPUT(output, "> ");
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}
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/*---------------------------------------------------------------------------*/
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PT_THREAD(shell_input(struct pt *pt, shell_output_func output, const char *cmd))
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{
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static char *args;
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static struct shell_command_t *cmd_ptr;
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PT_BEGIN(pt);
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/* Shave off any leading spaces. */
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while(*cmd == ' ') {
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cmd++;
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}
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/* Look for arguments */
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args = strchr(cmd, ' ');
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if(args != NULL) {
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*args = '\0';
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args++;
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}
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/* Lookup for command */
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cmd_ptr = shell_commands;
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while(cmd_ptr->name != NULL) {
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if(strcmp(cmd, cmd_ptr->name) == 0) {
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static struct pt cmd_pt;
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PT_SPAWN(pt, &cmd_pt, cmd_ptr->func(&cmd_pt, output, args));
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goto done;
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}
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cmd_ptr++;
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}
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SHELL_OUTPUT(output, "Command not found. Type 'help' for a list of commands\n");
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done:
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output_prompt(output);
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PT_END(pt);
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}
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/*---------------------------------------------------------------------------*/
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void
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shell_init(void)
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{
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shell_commands_init();
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}
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/** @} */
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