nes-proj/examples/ipv6/native-border-router/border-router-cmds.c

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/*
* Copyright (c) 2011, Swedish Institute of Computer Science.
* All rights reserved.
*
* 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 of the Institute 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 INSTITUTE 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 INSTITUTE 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.
*/
/**
* \file
* Sets up some commands for the border router
* \author
* Niclas Finne <nfi@sics.se>
* Joakim Eriksson <joakime@sics.se>
*/
#include "contiki.h"
#include "cmd.h"
#include "border-router.h"
#include "border-router-cmds.h"
#include "dev/serial-line.h"
#include "net/rpl/rpl.h"
#include "net/ip/uiplib.h"
#include <string.h>
#define DEBUG DEBUG_NONE
#include "net/ip/uip-debug.h"
uint8_t command_context;
void packet_sent(uint8_t sessionid, uint8_t status, uint8_t tx);
void nbr_print_stat(void);
/*---------------------------------------------------------------------------*/
PROCESS(border_router_cmd_process, "Border router cmd process");
/*---------------------------------------------------------------------------*/
/* TODO: the below code needs some way of identifying from where the command */
/* comes. In this case it can be from stdin or from SLIP. */
/*---------------------------------------------------------------------------*/
int
border_router_cmd_handler(const uint8_t *data, int len)
{
/* handle global repair, etc here */
if(data[0] == '!') {
PRINTF("Got configuration message of type %c\n", data[1]);
if(data[1] == 'G' && command_context == CMD_CONTEXT_STDIO) {
/* This is supposed to be from stdin */
printf("Performing Global Repair...\n");
rpl_repair_root(RPL_DEFAULT_INSTANCE);
return 1;
} else if(data[1] == 'M' && command_context == CMD_CONTEXT_RADIO) {
/* We need to know that this is from the slip-radio here. */
PRINTF("Setting MAC address\n");
border_router_set_mac(&data[2]);
return 1;
} else if(data[1] == 'C' && command_context == CMD_CONTEXT_RADIO) {
/* We need to know that this is from the slip-radio here. */
printf("Channel is:%d\n", data[2]);
return 1;
} else if(data[1] == 'R' && command_context == CMD_CONTEXT_RADIO) {
/* We need to know that this is from the slip-radio here. */
PRINTF("Packet data report for sid:%d st:%d tx:%d\n",
data[2], data[3], data[4]);
packet_sent(data[2], data[3], data[4]);
return 1;
} else if(data[1] == 'D' && command_context == CMD_CONTEXT_RADIO) {
/* We need to know that this is from the slip-radio here... */
PRINTF("Sensor data received\n");
border_router_set_sensors((const char *)&data[2], len - 2);
return 1;
}
} else if(data[0] == '?') {
PRINTF("Got request message of type %c\n", data[1]);
if(data[1] == 'M' && command_context == CMD_CONTEXT_STDIO) {
uint8_t buf[20];
char* hexchar = "0123456789abcdef";
int j;
/* this is just a test so far... just to see if it works */
buf[0] = '!';
buf[1] = 'M';
for(j = 0; j < 8; j++) {
buf[2 + j * 2] = hexchar[uip_lladdr.addr[j] >> 4];
buf[3 + j * 2] = hexchar[uip_lladdr.addr[j] & 15];
}
cmd_send(buf, 18);
return 1;
} else if(data[1] == 'C' && command_context == CMD_CONTEXT_STDIO) {
/* send on! */
write_to_slip(data, len);
return 1;
} else if(data[1] == 'S') {
border_router_print_stat();
return 1;
}
}
return 0;
}
/*---------------------------------------------------------------------------*/
void
border_router_cmd_output(const uint8_t *data, int data_len)
{
int i;
printf("CMD output: ");
for(i = 0; i < data_len; i++) {
printf("%c", data[i]);
}
printf("\n");
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(border_router_cmd_process, ev, data)
{
PROCESS_BEGIN();
PRINTF("Started br-cmd process\n");
while(1) {
PROCESS_YIELD();
if(ev == serial_line_event_message && data != NULL) {
PRINTF("Got serial data!!! %s of len: %d\n",
(char *)data, strlen((char *)data));
command_context = CMD_CONTEXT_STDIO;
cmd_input(data, strlen((char *)data));
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/