nes-proj/examples/rpl-border-router/native/slip-config.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
* Slip configuration
* \author
* Niclas Finne <nfi@sics.se>
* Joakim Eriksson <joakime@sics.se>
*/
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <err.h>
#include "contiki.h"
int slip_config_verbose = 0;
const char *slip_config_ipaddr;
int slip_config_flowcontrol = 0;
int slip_config_timestamp = 0;
const char *slip_config_siodev = NULL;
const char *slip_config_host = NULL;
const char *slip_config_port = NULL;
char slip_config_tundev[32] = { "" };
uint16_t slip_config_basedelay = 0;
#ifndef BAUDRATE
#define BAUDRATE B115200
#endif
speed_t slip_config_b_rate = BAUDRATE;
/*---------------------------------------------------------------------------*/
int
slip_config_handle_arguments(int argc, char **argv)
{
const char *prog;
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int c;
int baudrate = 115200;
slip_config_verbose = 0;
prog = argv[0];
while((c = getopt(argc, argv, "B:H:D:Lhs:t:v::d::a:p:T")) != -1) {
switch(c) {
case 'B':
baudrate = atoi(optarg);
break;
case 'H':
slip_config_flowcontrol = 1;
break;
case 'L':
slip_config_timestamp = 1;
break;
case 's':
if(strncmp("/dev/", optarg, 5) == 0) {
slip_config_siodev = optarg + 5;
} else {
slip_config_siodev = optarg;
}
break;
case 't':
if(strncmp("/dev/", optarg, 5) == 0) {
strncpy(slip_config_tundev, optarg + 5, sizeof(slip_config_tundev));
} else {
strncpy(slip_config_tundev, optarg, sizeof(slip_config_tundev));
}
break;
case 'a':
slip_config_host = optarg;
break;
case 'p':
slip_config_port = optarg;
break;
case 'd':
slip_config_basedelay = 10;
if(optarg) {
slip_config_basedelay = atoi(optarg);
}
break;
case 'v':
slip_config_verbose = 2;
if(optarg) {
slip_config_verbose = atoi(optarg);
}
break;
case '?':
case 'h':
default:
fprintf(stderr, "usage: %s [options] ipaddress\n", prog);
fprintf(stderr, "example: border-router.native -L -v2 -s ttyUSB1 fd00::1/64\n");
fprintf(stderr, "Options are:\n");
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#ifdef linux
fprintf(stderr, " -B baudrate 9600,19200,38400,57600,115200,921600 (default 115200)\n");
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#else
fprintf(stderr, " -B baudrate 9600,19200,38400,57600,115200 (default 115200)\n");
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#endif
fprintf(stderr, " -H Hardware CTS/RTS flow control (default disabled)\n");
fprintf(stderr, " -L Log output format (adds time stamps)\n");
fprintf(stderr, " -s siodev Serial device (default /dev/ttyUSB0)\n");
fprintf(stderr, " -a host Connect via TCP to server at <host>\n");
fprintf(stderr, " -p port Connect via TCP to server at <host>:<port>\n");
fprintf(stderr, " -t tundev Name of interface (default tun0)\n");
fprintf(stderr, " -v[level] Verbosity level\n");
fprintf(stderr, " -v0 No messages\n");
fprintf(stderr, " -v1 Encapsulated SLIP debug messages (default)\n");
fprintf(stderr, " -v2 Printable strings after they are received\n");
fprintf(stderr, " -v3 Printable strings and SLIP packet notifications\n");
fprintf(stderr, " -v4 All printable characters as they are received\n");
fprintf(stderr, " -v5 All SLIP packets in hex\n");
fprintf(stderr, " -v Equivalent to -v3\n");
fprintf(stderr, " -d[basedelay] Minimum delay between outgoing SLIP packets.\n");
fprintf(stderr, " Actual delay is basedelay*(#6LowPAN fragments) milliseconds.\n");
fprintf(stderr, " -d is equivalent to -d10.\n");
exit(1);
break;
}
}
argc -= optind - 1;
argv += optind - 1;
if(argc != 2 && argc != 3) {
err(1, "usage: %s [-B baudrate] [-H] [-L] [-s siodev] [-t tundev] [-T] [-v verbosity] [-d delay] [-a serveraddress] [-p serverport] ipaddress", prog);
}
slip_config_ipaddr = argv[1];
switch(baudrate) {
case -2:
break; /* Use default. */
case 9600:
slip_config_b_rate = B9600;
break;
case 19200:
slip_config_b_rate = B19200;
break;
case 38400:
slip_config_b_rate = B38400;
break;
case 57600:
slip_config_b_rate = B57600;
break;
case 115200:
slip_config_b_rate = B115200;
break;
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#ifdef linux
case 921600:
slip_config_b_rate = B921600;
break;
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#endif
default:
err(1, "unknown baudrate %d", baudrate);
break;
}
if(*slip_config_tundev == '\0') {
/* Use default. */
strcpy(slip_config_tundev, "tun0");
}
return 1;
}
/*---------------------------------------------------------------------------*/