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Harald Pichler 2014-12-31 09:55:31 +01:00
parent d742fc4b76
commit 2d3cd057c4
12 changed files with 2285 additions and 0 deletions
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27
examples/osd/native-border-router/Makefile Normal file
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CONTIKI_PROJECT=border-router
all: $(CONTIKI_PROJECT)
APPS = slip-cmd
CONTIKI=../../..
#linker optimizations
SMALL=1
CFLAGS += -DPROJECT_CONF_H=\"project-conf.h\"
PROJECT_SOURCEFILES += border-router-cmds.c tun-bridge.c border-router-rdc.c \
slip-config.c slip-dev.c
WITH_WEBSERVER=1
ifeq ($(WITH_WEBSERVER),1)
CFLAGS += -DWEBSERVER=1
PROJECT_SOURCEFILES += httpd-simple.c
else ifneq ($(WITH_WEBSERVER), 0)
APPS += $(WITH_WEBSERVER)
CFLAGS += -DWEBSERVER=2
endif
CONTIKI_WITH_IPV6 = 1
include $(CONTIKI)/Makefile.include
connect-router: border-router.native
sudo ./border-router.native aaaa::1/64

147
examples/osd/native-border-router/border-router-cmds.c Normal file
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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();
}
/*---------------------------------------------------------------------------*/

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examples/osd/native-border-router/border-router-cmds.h Normal file
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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>
*/
#ifndef BORDER_ROUTER_CMDS_H_
#define BORDER_ROUTER_CMDS_H_
#define CMD_CONTEXT_RADIO 0
#define CMD_CONTEXT_STDIO 1
extern uint8_t command_context;
PROCESS_NAME(border_router_cmd_process);
#endif /* BORDER_ROUTER_CMDS_H_ */

195
examples/osd/native-border-router/border-router-rdc.c Normal file
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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
* A null RDC implementation that uses framer for headers and sends
* the packets over slip instead of radio.
* \author
* Adam Dunkels <adam@sics.se>
* Joakim Eriksson <joakime@sics.se>
* Niclas Finne <nfi@sics.se>
*/
#include "net/packetbuf.h"
#include "net/queuebuf.h"
#include "net/netstack.h"
#include "packetutils.h"
#include "border-router.h"
#include <string.h>
#define DEBUG 0
#if DEBUG
#include <stdio.h>
#define PRINTF(...) printf(__VA_ARGS__)
#else
#define PRINTF(...)
#endif
#define MAX_CALLBACKS 16
static int callback_pos;
/* a structure for calling back when packet data is coming back
from radio... */
struct tx_callback {
mac_callback_t cback;
void *ptr;
struct packetbuf_attr attrs[PACKETBUF_NUM_ATTRS];
struct packetbuf_addr addrs[PACKETBUF_NUM_ADDRS];
};
static struct tx_callback callbacks[MAX_CALLBACKS];
/*---------------------------------------------------------------------------*/
void packet_sent(uint8_t sessionid, uint8_t status, uint8_t tx)
{
if(sessionid < MAX_CALLBACKS) {
struct tx_callback *callback;
callback = &callbacks[sessionid];
packetbuf_clear();
packetbuf_attr_copyfrom(callback->attrs, callback->addrs);
mac_call_sent_callback(callback->cback, callback->ptr, status, tx);
} else {
PRINTF("*** ERROR: too high session id %d\n", sessionid);
}
}
/*---------------------------------------------------------------------------*/
static int
setup_callback(mac_callback_t sent, void *ptr)
{
struct tx_callback *callback;
int tmp = callback_pos;
callback = &callbacks[callback_pos];
callback->cback = sent;
callback->ptr = ptr;
packetbuf_attr_copyto(callback->attrs, callback->addrs);
callback_pos++;
if(callback_pos >= MAX_CALLBACKS) {
callback_pos = 0;
}
return tmp;
}
/*---------------------------------------------------------------------------*/
static void
send_packet(mac_callback_t sent, void *ptr)
{
int size;
/* 3 bytes per packet attribute is required for serialization */
uint8_t buf[PACKETBUF_NUM_ATTRS * 3 + PACKETBUF_SIZE + 3];
uint8_t sid;
packetbuf_set_addr(PACKETBUF_ADDR_SENDER, &linkaddr_node_addr);
/* ack or not ? */
packetbuf_set_attr(PACKETBUF_ATTR_MAC_ACK, 1);
if(NETSTACK_FRAMER.create() < 0) {
/* Failed to allocate space for headers */
PRINTF("br-rdc: send failed, too large header\n");
mac_call_sent_callback(sent, ptr, MAC_TX_ERR_FATAL, 1);
} else {
/* here we send the data over SLIP to the radio-chip */
size = 0;
#if SERIALIZE_ATTRIBUTES
size = packetutils_serialize_atts(&buf[3], sizeof(buf) - 3);
#endif
if(size < 0 || size + packetbuf_totlen() + 3 > sizeof(buf)) {
PRINTF("br-rdc: send failed, too large header\n");
mac_call_sent_callback(sent, ptr, MAC_TX_ERR_FATAL, 1);
} else {
sid = setup_callback(sent, ptr);
buf[0] = '!';
buf[1] = 'S';
buf[2] = sid; /* sequence or session number for this packet */
/* Copy packet data */
memcpy(&buf[3 + size], packetbuf_hdrptr(), packetbuf_totlen());
write_to_slip(buf, packetbuf_totlen() + size + 3);
}
}
}
/*---------------------------------------------------------------------------*/
static void
send_list(mac_callback_t sent, void *ptr, struct rdc_buf_list *buf_list)
{
if(buf_list != NULL) {
queuebuf_to_packetbuf(buf_list->buf);
send_packet(sent, ptr);
}
}
/*---------------------------------------------------------------------------*/
static void
packet_input(void)
{
if(NETSTACK_FRAMER.parse() < 0) {
PRINTF("br-rdc: failed to parse %u\n", packetbuf_datalen());
} else {
NETSTACK_MAC.input();
}
}
/*---------------------------------------------------------------------------*/
static int
on(void)
{
return 1;
}
/*---------------------------------------------------------------------------*/
static int
off(int keep_radio_on)
{
return 1;
}
/*---------------------------------------------------------------------------*/
static unsigned short
channel_check_interval(void)
{
return 0;
}
/*---------------------------------------------------------------------------*/
static void
init(void)
{
callback_pos = 0;
}
/*---------------------------------------------------------------------------*/
const struct rdc_driver border_router_rdc_driver = {
"br-rdc",
init,
send_packet,
send_list,
packet_input,
on,
off,
channel_check_interval,
};
/*---------------------------------------------------------------------------*/

359
examples/osd/native-border-router/border-router.c Normal file
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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.
*
* This file is part of the Contiki operating system.
*
*/
/**
* \file
* border-router
* \author
* Niclas Finne <nfi@sics.se>
* Joakim Eriksson <joakime@sics.se>
* Nicolas Tsiftes <nvt@sics.se>
*/
#include "contiki.h"
#include "contiki-lib.h"
#include "contiki-net.h"
#include "net/ip/uip.h"
#include "net/ipv6/uip-ds6.h"
#include "net/rpl/rpl.h"
#include "net/netstack.h"
#include "dev/slip.h"
#include "cmd.h"
#include "border-router.h"
#include "border-router-cmds.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ctype.h>
#define DEBUG DEBUG_FULL
#include "net/ip/uip-debug.h"
#define MAX_SENSORS 4
extern long slip_sent;
extern long slip_received;
static uip_ipaddr_t prefix;
static uint8_t prefix_set;
static uint8_t mac_set;
static uint8_t sensor_count = 0;
/* allocate MAX_SENSORS char[32]'s */
static char sensors[MAX_SENSORS][32];
extern int contiki_argc;
extern char **contiki_argv;
extern const char *slip_config_ipaddr;
CMD_HANDLERS(border_router_cmd_handler);
PROCESS(border_router_process, "Border router process");
#if WEBSERVER==0
/* No webserver */
AUTOSTART_PROCESSES(&border_router_process,&border_router_cmd_process);
#elif WEBSERVER>1
/* Use an external webserver application */
#include "webserver-nogui.h"
AUTOSTART_PROCESSES(&border_router_process,&border_router_cmd_process,
&webserver_nogui_process);
#else
/* Use simple webserver with only one page */
#include "httpd-simple.h"
PROCESS(webserver_nogui_process, "Web server");
PROCESS_THREAD(webserver_nogui_process, ev, data)
{
PROCESS_BEGIN();
httpd_init();
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == tcpip_event);
httpd_appcall(data);
}
PROCESS_END();
}
AUTOSTART_PROCESSES(&border_router_process,&border_router_cmd_process,
&webserver_nogui_process);
static const char *TOP = "<html><head><title>ContikiRPL</title></head><body>\n";
static const char *BOTTOM = "</body></html>\n";
static char buf[128];
static int blen;
#define ADD(...) do { \
blen += snprintf(&buf[blen], sizeof(buf) - blen, __VA_ARGS__); \
} while(0)
/*---------------------------------------------------------------------------*/
static void
ipaddr_add(const uip_ipaddr_t *addr)
{
uint16_t a;
int i, f;
for(i = 0, f = 0; i < sizeof(uip_ipaddr_t); i += 2) {
a = (addr->u8[i] << 8) + addr->u8[i + 1];
if(a == 0 && f >= 0) {
if(f++ == 0 && sizeof(buf) - blen >= 2) {
buf[blen++] = ':';
buf[blen++] = ':';
}
} else {
if(f > 0) {
f = -1;
} else if(i > 0 && blen < sizeof(buf)) {
buf[blen++] = ':';
}
ADD("%x", a);
}
}
}
/*---------------------------------------------------------------------------*/
static
PT_THREAD(generate_routes(struct httpd_state *s))
{
static int i;
static uip_ds6_route_t *r;
static uip_ds6_nbr_t *nbr;
PSOCK_BEGIN(&s->sout);
SEND_STRING(&s->sout, TOP);
blen = 0;
ADD("Neighbors<pre>");
for(nbr = nbr_table_head(ds6_neighbors);
nbr != NULL;
nbr = nbr_table_next(ds6_neighbors, nbr)) {
ipaddr_add(&nbr->ipaddr);
ADD("\n");
if(blen > sizeof(buf) - 45) {
SEND_STRING(&s->sout, buf);
blen = 0;
}
}
ADD("</pre>Routes<pre>");
SEND_STRING(&s->sout, buf);
blen = 0;
for(r = uip_ds6_route_head();
r != NULL;
r = uip_ds6_route_next(r)) {
ipaddr_add(&r->ipaddr);
ADD("/%u (via ", r->length);
ipaddr_add(uip_ds6_route_nexthop(r));
if(r->state.lifetime < 600) {
ADD(") %lus\n", (unsigned long)r->state.lifetime);
} else {
ADD(")\n");
}
SEND_STRING(&s->sout, buf);
blen = 0;
}
ADD("</pre>");
//if(blen > 0) {
SEND_STRING(&s->sout, buf);
// blen = 0;
//}
if(sensor_count > 0) {
ADD("</pre>Sensors<pre>");
SEND_STRING(&s->sout, buf);
blen = 0;
for(i = 0; i < sensor_count; i++) {
ADD("%s\n", sensors[i]);
SEND_STRING(&s->sout, buf);
blen = 0;
}
ADD("</pre>");
SEND_STRING(&s->sout, buf);
}
SEND_STRING(&s->sout, BOTTOM);
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
httpd_simple_script_t
httpd_simple_get_script(const char *name)
{
return generate_routes;
}
#endif /* WEBSERVER */
/*---------------------------------------------------------------------------*/
static void
print_local_addresses(void)
{
int i;
uint8_t state;
PRINTA("Server IPv6 addresses:\n");
for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
state = uip_ds6_if.addr_list[i].state;
if(uip_ds6_if.addr_list[i].isused &&
(state == ADDR_TENTATIVE || state == ADDR_PREFERRED)) {
PRINTA(" %p: =>", &uip_ds6_if.addr_list[i]);
uip_debug_ipaddr_print(&(uip_ds6_if.addr_list[i]).ipaddr);
PRINTA("\n");
}
}
}
/*---------------------------------------------------------------------------*/
static void
request_mac(void)
{
write_to_slip((uint8_t *)"?M", 2);
}
/*---------------------------------------------------------------------------*/
void
border_router_set_mac(const uint8_t *data)
{
memcpy(uip_lladdr.addr, data, sizeof(uip_lladdr.addr));
linkaddr_set_node_addr((linkaddr_t *)uip_lladdr.addr);
/* is this ok - should instead remove all addresses and
add them back again - a bit messy... ?*/
uip_ds6_init();
rpl_init();
mac_set = 1;
}
/*---------------------------------------------------------------------------*/
void
border_router_print_stat()
{
printf("bytes received over SLIP: %ld\n", slip_received);
printf("bytes sent over SLIP: %ld\n", slip_sent);
}
/*---------------------------------------------------------------------------*/
/* Format: <name=value>;<name=value>;...;<name=value>*/
/* this function just cut at ; and store in the sensor array */
void
border_router_set_sensors(const char *data, int len)
{
int i;
int last_pos = 0;
int sc = 0;
for(i = 0;i < len; i++) {
if(data[i] == ';') {
sensors[sc][i - last_pos] = 0;
memcpy(sensors[sc++], &data[last_pos], i - last_pos);
last_pos = i + 1; /* skip the ';' */
}
if(sc == MAX_SENSORS) {
sensor_count = sc;
return;
}
}
sensors[sc][len - last_pos] = 0;
memcpy(sensors[sc++], &data[last_pos], len - last_pos);
sensor_count = sc;
}
/*---------------------------------------------------------------------------*/
static void
set_prefix_64(const uip_ipaddr_t *prefix_64)
{
rpl_dag_t *dag;
uip_ipaddr_t ipaddr;
memcpy(&prefix, prefix_64, 16);
memcpy(&ipaddr, prefix_64, 16);
prefix_set = 1;
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
dag = rpl_set_root(RPL_DEFAULT_INSTANCE, &ipaddr);
if(dag != NULL) {
rpl_set_prefix(dag, &prefix, 64);
PRINTF("created a new RPL dag\n");
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(border_router_process, ev, data)
{
static struct etimer et;
PROCESS_BEGIN();
prefix_set = 0;
PROCESS_PAUSE();
PRINTF("RPL-Border router started\n");
slip_config_handle_arguments(contiki_argc, contiki_argv);
/* tun init is also responsible for setting up the SLIP connection */
tun_init();
while(!mac_set) {
etimer_set(&et, CLOCK_SECOND);
request_mac();
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
}
if(slip_config_ipaddr != NULL) {
uip_ipaddr_t prefix;
if(uiplib_ipaddrconv((const char *)slip_config_ipaddr, &prefix)) {
PRINTF("Setting prefix ");
PRINT6ADDR(&prefix);
PRINTF("\n");
set_prefix_64(&prefix);
} else {
PRINTF("Parse error: %s\n", slip_config_ipaddr);
exit(0);
}
}
#if DEBUG
print_local_addresses();
#endif
/* The border router runs with a 100% duty cycle in order to ensure high
packet reception rates. */
NETSTACK_MAC.off(1);
while(1) {
etimer_set(&et, CLOCK_SECOND * 2);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
/* do anything here??? */
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/

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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
* Border router header file
* \author
* Joakim Eriksson <joakime@sics.se>
*/
#ifndef BORDER_ROUTER_H_
#define BORDER_ROUTER_H_
#include "contiki.h"
#include "net/ip/uip.h"
#include <stdio.h>
int border_router_cmd_handler(const uint8_t *data, int len);
int slip_config_handle_arguments(int argc, char **argv);
void write_to_slip(const uint8_t *buf, int len);
void border_router_set_prefix_64(const uip_ipaddr_t *prefix_64);
void border_router_set_mac(const uint8_t *data);
void border_router_set_sensors(const char *data, int len);
void border_router_print_stat(void);
void tun_init(void);
int slip_init(void);
int slip_set_fd(int maxfd, fd_set *rset, fd_set *wset);
void slip_handle_fd(fd_set *rset, fd_set *wset);
#endif /* BORDER_ROUTER_H_ */

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/*
* Copyright (c) 2010, 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
* A simple web server forwarding page generation to a protothread
* \author
* Adam Dunkels <adam@sics.se>
* Niclas Finne <nfi@sics.se>
* Joakim Eriksson <joakime@sics.se>
*/
#include <stdio.h>
#include <string.h>
#include "contiki-net.h"
//#include "urlconv.h"
#include "httpd-simple.h"
#define webserver_log_file(...)
#define webserver_log(...)
#ifndef WEBSERVER_CONF_CFS_CONNS
#define CONNS UIP_CONNS
#else /* WEBSERVER_CONF_CFS_CONNS */
#define CONNS WEBSERVER_CONF_CFS_CONNS
#endif /* WEBSERVER_CONF_CFS_CONNS */
#ifndef WEBSERVER_CONF_CFS_URLCONV
#define URLCONV 0
#else /* WEBSERVER_CONF_CFS_URLCONV */
#define URLCONV WEBSERVER_CONF_CFS_URLCONV
#endif /* WEBSERVER_CONF_CFS_URLCONV */
#define STATE_WAITING 0
#define STATE_OUTPUT 1
MEMB(conns, struct httpd_state, CONNS);
#define ISO_nl 0x0a
#define ISO_space 0x20
#define ISO_period 0x2e
#define ISO_slash 0x2f
/*---------------------------------------------------------------------------*/
static const char *NOT_FOUND = "<html><body bgcolor=\"white\">"
"<center>"
"<h1>404 - file not found</h1>"
"</center>"
"</body>"
"</html>";
/*---------------------------------------------------------------------------*/
static
PT_THREAD(send_string(struct httpd_state *s, const char *str))
{
PSOCK_BEGIN(&s->sout);
SEND_STRING(&s->sout, str);
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
const char http_content_type_html[] = "Content-type: text/html\r\n\r\n";
static
PT_THREAD(send_headers(struct httpd_state *s, const char *statushdr))
{
/* char *ptr; */
PSOCK_BEGIN(&s->sout);
SEND_STRING(&s->sout, statushdr);
/* ptr = strrchr(s->filename, ISO_period); */
/* if(ptr == NULL) { */
/* s->ptr = http_content_type_plain; */
/* } else if(strcmp(http_html, ptr) == 0) { */
/* s->ptr = http_content_type_html; */
/* } else if(strcmp(http_css, ptr) == 0) { */
/* s->ptr = http_content_type_css; */
/* } else if(strcmp(http_png, ptr) == 0) { */
/* s->ptr = http_content_type_png; */
/* } else if(strcmp(http_gif, ptr) == 0) { */
/* s->ptr = http_content_type_gif; */
/* } else if(strcmp(http_jpg, ptr) == 0) { */
/* s->ptr = http_content_type_jpg; */
/* } else { */
/* s->ptr = http_content_type_binary; */
/* } */
/* SEND_STRING(&s->sout, s->ptr); */
SEND_STRING(&s->sout, http_content_type_html);
PSOCK_END(&s->sout);
}
/*---------------------------------------------------------------------------*/
const char http_header_200[] = "HTTP/1.0 200 OK\r\nServer: Contiki/2.4 http://www.sics.se/contiki/\r\nConnection: close\r\n";
const char http_header_404[] = "HTTP/1.0 404 Not found\r\nServer: Contiki/2.4 http://www.sics.se/contiki/\r\nConnection: close\r\n";
static
PT_THREAD(handle_output(struct httpd_state *s))
{
PT_BEGIN(&s->outputpt);
s->script = NULL;
s->script = httpd_simple_get_script(&s->filename[1]);
if(s->script == NULL) {
strncpy(s->filename, "/notfound.html", sizeof(s->filename));
PT_WAIT_THREAD(&s->outputpt,
send_headers(s, http_header_404));
PT_WAIT_THREAD(&s->outputpt,
send_string(s, NOT_FOUND));
uip_close();
webserver_log_file(&uip_conn->ripaddr, "404 - not found");
PT_EXIT(&s->outputpt);
} else {
PT_WAIT_THREAD(&s->outputpt,
send_headers(s, http_header_200));
PT_WAIT_THREAD(&s->outputpt, s->script(s));
}
s->script = NULL;
PSOCK_CLOSE(&s->sout);
PT_END(&s->outputpt);
}
/*---------------------------------------------------------------------------*/
const char http_get[] = "GET ";
const char http_index_html[] = "/index.html";
//const char http_referer[] = "Referer:"
static
PT_THREAD(handle_input(struct httpd_state *s))
{
PSOCK_BEGIN(&s->sin);
PSOCK_READTO(&s->sin, ISO_space);
if(strncmp(s->inputbuf, http_get, 4) != 0) {
PSOCK_CLOSE_EXIT(&s->sin);
}
PSOCK_READTO(&s->sin, ISO_space);
if(s->inputbuf[0] != ISO_slash) {
PSOCK_CLOSE_EXIT(&s->sin);
}
#if URLCONV
s->inputbuf[PSOCK_DATALEN(&s->sin) - 1] = 0;
urlconv_tofilename(s->filename, s->inputbuf, sizeof(s->filename));
#else /* URLCONV */
if(s->inputbuf[1] == ISO_space) {
strncpy(s->filename, http_index_html, sizeof(s->filename));
} else {
s->inputbuf[PSOCK_DATALEN(&s->sin) - 1] = 0;
strncpy(s->filename, s->inputbuf, sizeof(s->filename));
}
#endif /* URLCONV */
webserver_log_file(&uip_conn->ripaddr, s->filename);
s->state = STATE_OUTPUT;
while(1) {
PSOCK_READTO(&s->sin, ISO_nl);
#if 0
if(strncmp(s->inputbuf, http_referer, 8) == 0) {
s->inputbuf[PSOCK_DATALEN(&s->sin) - 2] = 0;
webserver_log(s->inputbuf);
}
#endif
}
PSOCK_END(&s->sin);
}
/*---------------------------------------------------------------------------*/
static void
handle_connection(struct httpd_state *s)
{
handle_input(s);
if(s->state == STATE_OUTPUT) {
handle_output(s);
}
}
/*---------------------------------------------------------------------------*/
void
httpd_appcall(void *state)
{
struct httpd_state *s = (struct httpd_state *)state;
if(uip_closed() || uip_aborted() || uip_timedout()) {
if(s != NULL) {
s->script = NULL;
memb_free(&conns, s);
}
} else if(uip_connected()) {
s = (struct httpd_state *)memb_alloc(&conns);
if(s == NULL) {
uip_abort();
webserver_log_file(&uip_conn->ripaddr, "reset (no memory block)");
return;
}
tcp_markconn(uip_conn, s);
PSOCK_INIT(&s->sin, (uint8_t *)s->inputbuf, sizeof(s->inputbuf) - 1);
PSOCK_INIT(&s->sout, (uint8_t *)s->inputbuf, sizeof(s->inputbuf) - 1);
PT_INIT(&s->outputpt);
s->script = NULL;
s->state = STATE_WAITING;
timer_set(&s->timer, CLOCK_SECOND * 10);
handle_connection(s);
} else if(s != NULL) {
if(uip_poll()) {
if(timer_expired(&s->timer)) {
uip_abort();
s->script = NULL;
memb_free(&conns, s);
webserver_log_file(&uip_conn->ripaddr, "reset (timeout)");
}
} else {
timer_restart(&s->timer);
}
handle_connection(s);
} else {
uip_abort();
}
}
/*---------------------------------------------------------------------------*/
void
httpd_init(void)
{
tcp_listen(UIP_HTONS(80));
memb_init(&conns);
#if URLCONV
urlconv_init();
#endif /* URLCONV */
}
/*---------------------------------------------------------------------------*/

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/*
* Copyright (c) 2010, 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
* A simple webserver
* \author
* Adam Dunkels <adam@sics.se>
* Niclas Finne <nfi@sics.se>
* Joakim Eriksson <joakime@sics.se>
*/
#ifndef HTTPD_SIMPLE_H_
#define HTTPD_SIMPLE_H_
#include "contiki-net.h"
/* The current internal border router webserver ignores the requested file name */
/* and needs no per-connection output buffer, so save some RAM */
#ifndef WEBSERVER_CONF_CFS_PATHLEN
#define HTTPD_PATHLEN 2
#else /* WEBSERVER_CONF_CFS_CONNS */
#define HTTPD_PATHLEN WEBSERVER_CONF_CFS_PATHLEN
#endif /* WEBSERVER_CONF_CFS_CONNS */
struct httpd_state;
typedef char (* httpd_simple_script_t)(struct httpd_state *s);
struct httpd_state {
struct timer timer;
struct psock sin, sout;
struct pt outputpt;
char inputbuf[HTTPD_PATHLEN + 24];
/*char outputbuf[UIP_TCP_MSS]; */
char filename[HTTPD_PATHLEN];
httpd_simple_script_t script;
char state;
};
void httpd_init(void);
void httpd_appcall(void *state);
httpd_simple_script_t httpd_simple_get_script(const char *name);
#define SEND_STRING(s, str) PSOCK_SEND(s, (uint8_t *)str, strlen(str))
#endif /* HTTPD_SIMPLE_H_ */

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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.
*/
#ifndef PROJECT_ROUTER_CONF_H_
#define PROJECT_ROUTER_CONF_H_
#undef UIP_FALLBACK_INTERFACE
#define UIP_FALLBACK_INTERFACE rpl_interface
#undef QUEUEBUF_CONF_NUM
#define QUEUEBUF_CONF_NUM 4
#undef UIP_CONF_BUFFER_SIZE
#define UIP_CONF_BUFFER_SIZE 1280
#undef UIP_CONF_RECEIVE_WINDOW
#define UIP_CONF_RECEIVE_WINDOW 60
#define SLIP_DEV_CONF_SEND_DELAY (CLOCK_SECOND / 32)
#undef WEBSERVER_CONF_CFS_CONNS
#define WEBSERVER_CONF_CFS_CONNS 2
#define SERIALIZE_ATTRIBUTES 1
#define CMD_CONF_OUTPUT border_router_cmd_output
#undef NETSTACK_CONF_RDC
#define NETSTACK_CONF_RDC border_router_rdc_driver
/* used by wpcap (see /cpu/native/net/wpcap-drv.c) */
#define SELECT_CALLBACK 1
#endif /* PROJECT_ROUTER_CONF_H_ */

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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;
char 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 aaaa::1/64\n");
fprintf(stderr,"Options are:\n");
#ifdef linux
fprintf(stderr," -B baudrate 9600,19200,38400,57600,115200,921600 (default 115200)\n");
#else
fprintf(stderr," -B baudrate 9600,19200,38400,57600,115200 (default 115200)\n");
#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;
#ifdef linux
case 921600:
slip_config_b_rate = B921600;
break;
#endif
default:
err(1, "unknown baudrate %d", baudrate);
break;
}
if(*slip_config_tundev == '\0') {
/* Use default. */
strcpy(slip_config_tundev, "tun0");
}
return 1;
}
/*---------------------------------------------------------------------------*/

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/*
* Copyright (c) 2001, Adam Dunkels.
* Copyright (c) 2009, 2010 Joakim Eriksson, Niclas Finne, Dogan Yazar.
* 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. The name of the author may not be used to endorse or promote
* products derived from this software without specific prior
* written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
*/
/* Below define allows importing saved output into Wireshark as "Raw IP" packet type */
#define WIRESHARK_IMPORT_FORMAT 1
#include "contiki.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <time.h>
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <termios.h>
#include <signal.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <err.h>
#include "net/netstack.h"
#include "net/packetbuf.h"
#include "cmd.h"
#include "border-router-cmds.h"
extern int slip_config_verbose;
extern int slip_config_flowcontrol;
extern const char *slip_config_siodev;
extern const char *slip_config_host;
extern const char *slip_config_port;
extern uint16_t slip_config_basedelay;
extern speed_t slip_config_b_rate;
#ifdef SLIP_DEV_CONF_SEND_DELAY
#define SEND_DELAY SLIP_DEV_CONF_SEND_DELAY
#else
#define SEND_DELAY 0
#endif
int devopen(const char *dev, int flags);
static FILE *inslip;
/* for statistics */
long slip_sent = 0;
long slip_received = 0;
int slipfd = 0;
//#define PROGRESS(s) fprintf(stderr, s)
#define PROGRESS(s) do { } while(0)
#define SLIP_END 0300
#define SLIP_ESC 0333
#define SLIP_ESC_END 0334
#define SLIP_ESC_ESC 0335
/*---------------------------------------------------------------------------*/
static void *
get_in_addr(struct sockaddr *sa)
{
if(sa->sa_family == AF_INET) {
return &(((struct sockaddr_in*)sa)->sin_addr);
}
return &(((struct sockaddr_in6*)sa)->sin6_addr);
}
/*---------------------------------------------------------------------------*/
static int
connect_to_server(const char *host, const char *port)
{
/* Setup TCP connection */
struct addrinfo hints, *servinfo, *p;
char s[INET6_ADDRSTRLEN];
int rv, fd;
memset(&hints, 0, sizeof hints);
hints.ai_family = AF_UNSPEC;
hints.ai_socktype = SOCK_STREAM;
if((rv = getaddrinfo(host, port, &hints, &servinfo)) != 0) {
err(1, "getaddrinfo: %s", gai_strerror(rv));
return -1;
}
/* loop through all the results and connect to the first we can */
for(p = servinfo; p != NULL; p = p->ai_next) {
if((fd = socket(p->ai_family, p->ai_socktype, p->ai_protocol)) == -1) {
perror("client: socket");
continue;
}
if(connect(fd, p->ai_addr, p->ai_addrlen) == -1) {
close(fd);
perror("client: connect");
continue;
}
break;
}
if(p == NULL) {
err(1, "can't connect to ``%s:%s''", host, port);
return -1;
}
fcntl(fd, F_SETFL, O_NONBLOCK);
inet_ntop(p->ai_family, get_in_addr((struct sockaddr *)p->ai_addr),
s, sizeof(s));
/* all done with this structure */
freeaddrinfo(servinfo);
return fd;
}
/*---------------------------------------------------------------------------*/
int
is_sensible_string(const unsigned char *s, int len)
{
int i;
for(i = 1; i < len; i++) {
if(s[i] == 0 || s[i] == '\r' || s[i] == '\n' || s[i] == '\t') {
continue;
} else if(s[i] < ' ' || '~' < s[i]) {
return 0;
}
}
return 1;
}
/*---------------------------------------------------------------------------*/
void
slip_packet_input(unsigned char *data, int len)
{
packetbuf_copyfrom(data, len);
if(slip_config_verbose > 0) {
printf("Packet input over SLIP: %d\n", len);
}
NETSTACK_RDC.input();
}
/*---------------------------------------------------------------------------*/
/*
* Read from serial, when we have a packet call slip_packet_input. No output
* buffering, input buffered by stdio.
*/
void
serial_input(FILE *inslip)
{
static unsigned char inbuf[2048];
static int inbufptr = 0;
int ret,i;
unsigned char c;
#ifdef linux
ret = fread(&c, 1, 1, inslip);
if(ret == -1 || ret == 0) err(1, "serial_input: read");
goto after_fread;
#endif
read_more:
if(inbufptr >= sizeof(inbuf)) {
fprintf(stderr, "*** dropping large %d byte packet\n", inbufptr);
inbufptr = 0;
}
ret = fread(&c, 1, 1, inslip);
#ifdef linux
after_fread:
#endif
if(ret == -1) {
err(1, "serial_input: read");
}
if(ret == 0) {
clearerr(inslip);
return;
}
slip_received++;
switch(c) {
case SLIP_END:
if(inbufptr > 0) {
if(inbuf[0] == '!') {
command_context = CMD_CONTEXT_RADIO;
cmd_input(inbuf, inbufptr);
} else if(inbuf[0] == '?') {
#define DEBUG_LINE_MARKER '\r'
} else if(inbuf[0] == DEBUG_LINE_MARKER) {
fwrite(inbuf + 1, inbufptr - 1, 1, stdout);
} else if(is_sensible_string(inbuf, inbufptr)) {
if(slip_config_verbose == 1) { /* strings already echoed below for verbose>1 */
fwrite(inbuf, inbufptr, 1, stdout);
}
} else {
if(slip_config_verbose > 2) {
printf("Packet from SLIP of length %d - write TUN\n", inbufptr);
if(slip_config_verbose > 4) {
#if WIRESHARK_IMPORT_FORMAT
printf("0000");
for(i = 0; i < inbufptr; i++) printf(" %02x", inbuf[i]);
#else
printf(" ");
for(i = 0; i < inbufptr; i++) {
printf("%02x", inbuf[i]);
if((i & 3) == 3) printf(" ");
if((i & 15) == 15) printf("\n ");
}
#endif
printf("\n");
}
}
slip_packet_input(inbuf, inbufptr);
}
inbufptr = 0;
}
break;
case SLIP_ESC:
if(fread(&c, 1, 1, inslip) != 1) {
clearerr(inslip);
/* Put ESC back and give up! */
ungetc(SLIP_ESC, inslip);
return;
}
switch(c) {
case SLIP_ESC_END:
c = SLIP_END;
break;
case SLIP_ESC_ESC:
c = SLIP_ESC;
break;
}
/* FALLTHROUGH */
default:
inbuf[inbufptr++] = c;
/* Echo lines as they are received for verbose=2,3,5+ */
/* Echo all printable characters for verbose==4 */
if(slip_config_verbose == 4) {
if(c == 0 || c == '\r' || c == '\n' || c == '\t' || (c >= ' ' && c <= '~')) {
fwrite(&c, 1, 1, stdout);
}
} else if(slip_config_verbose >= 2) {
if(c == '\n' && is_sensible_string(inbuf, inbufptr)) {
fwrite(inbuf, inbufptr, 1, stdout);
inbufptr = 0;
}
}
break;
}
goto read_more;
}
unsigned char slip_buf[2048];
int slip_end, slip_begin, slip_packet_end, slip_packet_count;
static struct timer send_delay_timer;
/* delay between slip packets */
static clock_time_t send_delay = SEND_DELAY;
/*---------------------------------------------------------------------------*/
static void
slip_send(int fd, unsigned char c)
{
if(slip_end >= sizeof(slip_buf)) {
err(1, "slip_send overflow");
}
slip_buf[slip_end] = c;
slip_end++;
slip_sent++;
if(c == SLIP_END) {
/* Full packet received. */
slip_packet_count++;
if(slip_packet_end == 0) {
slip_packet_end = slip_end;
}
}
}
/*---------------------------------------------------------------------------*/
int
slip_empty()
{
return slip_packet_end == 0;
}
/*---------------------------------------------------------------------------*/
void
slip_flushbuf(int fd)
{
int n;
if(slip_empty()) {
return;
}
n = write(fd, slip_buf + slip_begin, slip_packet_end - slip_begin);
if(n == -1 && errno != EAGAIN) {
err(1, "slip_flushbuf write failed");
} else if(n == -1) {
PROGRESS("Q"); /* Outqueue is full! */
} else {
slip_begin += n;
if(slip_begin == slip_packet_end) {
slip_packet_count--;
if(slip_end > slip_packet_end) {
memcpy(slip_buf, slip_buf + slip_packet_end,
slip_end - slip_packet_end);
}
slip_end -= slip_packet_end;
slip_begin = slip_packet_end = 0;
if(slip_end > 0) {
/* Find end of next slip packet */
for(n = 1; n < slip_end; n++) {
if(slip_buf[n] == SLIP_END) {
slip_packet_end = n + 1;
break;
}
}
/* a delay between slip packets to avoid losing data */
if(send_delay > 0) {
timer_set(&send_delay_timer, send_delay);
}
}
}
}
}
/*---------------------------------------------------------------------------*/
static void
write_to_serial(int outfd, const uint8_t *inbuf, int len)
{
const uint8_t *p = inbuf;
int i;
if(slip_config_verbose > 2) {
#ifdef __CYGWIN__
printf("Packet from WPCAP of length %d - write SLIP\n", len);
#else
printf("Packet from TUN of length %d - write SLIP\n", len);
#endif
if(slip_config_verbose > 4) {
#if WIRESHARK_IMPORT_FORMAT
printf("0000");
for(i = 0; i < len; i++) printf(" %02x", p[i]);
#else
printf(" ");
for(i = 0; i < len; i++) {
printf("%02x", p[i]);
if((i & 3) == 3) printf(" ");
if((i & 15) == 15) printf("\n ");
}
#endif
printf("\n");
}
}
/* It would be ``nice'' to send a SLIP_END here but it's not
* really necessary.
*/
/* slip_send(outfd, SLIP_END); */
for(i = 0; i < len; i++) {
switch(p[i]) {
case SLIP_END:
slip_send(outfd, SLIP_ESC);
slip_send(outfd, SLIP_ESC_END);
break;
case SLIP_ESC:
slip_send(outfd, SLIP_ESC);
slip_send(outfd, SLIP_ESC_ESC);
break;
default:
slip_send(outfd, p[i]);
break;
}
}
slip_send(outfd, SLIP_END);
PROGRESS("t");
}
/*---------------------------------------------------------------------------*/
/* writes an 802.15.4 packet to slip-radio */
void
write_to_slip(const uint8_t *buf, int len)
{
if(slipfd > 0) {
write_to_serial(slipfd, buf, len);
}
}
/*---------------------------------------------------------------------------*/
static void
stty_telos(int fd)
{
struct termios tty;
speed_t speed = slip_config_b_rate;
int i;
if(tcflush(fd, TCIOFLUSH) == -1) err(1, "tcflush");
if(tcgetattr(fd, &tty) == -1) err(1, "tcgetattr");
cfmakeraw(&tty);
/* Nonblocking read. */
tty.c_cc[VTIME] = 0;
tty.c_cc[VMIN] = 0;
if(slip_config_flowcontrol) {
tty.c_cflag |= CRTSCTS;
} else {
tty.c_cflag &= ~CRTSCTS;
}
tty.c_cflag &= ~HUPCL;
tty.c_cflag &= ~CLOCAL;
cfsetispeed(&tty, speed);
cfsetospeed(&tty, speed);
if(tcsetattr(fd, TCSAFLUSH, &tty) == -1) err(1, "tcsetattr");
#if 1
/* Nonblocking read and write. */
/* if(fcntl(fd, F_SETFL, O_NONBLOCK) == -1) err(1, "fcntl"); */
tty.c_cflag |= CLOCAL;
if(tcsetattr(fd, TCSAFLUSH, &tty) == -1) err(1, "tcsetattr");
i = TIOCM_DTR;
if(ioctl(fd, TIOCMBIS, &i) == -1) err(1, "ioctl");
#endif
usleep(10*1000); /* Wait for hardware 10ms. */
/* Flush input and output buffers. */
if(tcflush(fd, TCIOFLUSH) == -1) err(1, "tcflush");
}
/*---------------------------------------------------------------------------*/
static int
set_fd(fd_set *rset, fd_set *wset)
{
/* Anything to flush? */
if(!slip_empty() && (send_delay == 0 || timer_expired(&send_delay_timer))) {
FD_SET(slipfd, wset);
}
FD_SET(slipfd, rset); /* Read from slip ASAP! */
return 1;
}
/*---------------------------------------------------------------------------*/
static void
handle_fd(fd_set *rset, fd_set *wset)
{
if(FD_ISSET(slipfd, rset)) {
serial_input(inslip);
}
if(FD_ISSET(slipfd, wset)) {
slip_flushbuf(slipfd);
}
}
/*---------------------------------------------------------------------------*/
static const struct select_callback slip_callback = { set_fd, handle_fd };
/*---------------------------------------------------------------------------*/
void
slip_init(void)
{
setvbuf(stdout, NULL, _IOLBF, 0); /* Line buffered output. */
if(slip_config_host != NULL) {
if(slip_config_port == NULL) {
slip_config_port = "60001";
}
slipfd = connect_to_server(slip_config_host, slip_config_port);
if(slipfd == -1) {
err(1, "can't connect to ``%s:%s''", slip_config_host, slip_config_port);
}
} else if(slip_config_siodev != NULL) {
if(strcmp(slip_config_siodev, "null") == 0) {
/* Disable slip */
return;
}
slipfd = devopen(slip_config_siodev, O_RDWR | O_NONBLOCK);
if(slipfd == -1) {
err(1, "can't open siodev ``/dev/%s''", slip_config_siodev);
}
} else {
static const char *siodevs[] = {
"ttyUSB0", "cuaU0", "ucom0" /* linux, fbsd6, fbsd5 */
};
int i;
for(i = 0; i < 3; i++) {
slip_config_siodev = siodevs[i];
slipfd = devopen(slip_config_siodev, O_RDWR | O_NONBLOCK);
if(slipfd != -1) {
break;
}
}
if(slipfd == -1) {
err(1, "can't open siodev");
}
}
select_set_callback(slipfd, &slip_callback);
if(slip_config_host != NULL) {
fprintf(stderr, "********SLIP opened to ``%s:%s''\n", slip_config_host,
slip_config_port);
} else {
fprintf(stderr, "********SLIP started on ``/dev/%s''\n", slip_config_siodev);
stty_telos(slipfd);
}
timer_set(&send_delay_timer, 0);
slip_send(slipfd, SLIP_END);
inslip = fdopen(slipfd, "r");
if(inslip == NULL) {
err(1, "main: fdopen");
}
}
/*---------------------------------------------------------------------------*/

311
examples/osd/native-border-router/tun-bridge.c Normal file
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@ -0,0 +1,311 @@
/*
* 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.
*/
/**
* \author
* Niclas Finne <nfi@sics.se>
* Joakim Eriksson <joakime@sics.se>
*/
#include "net/ip/uip.h"
#include "net/ipv6/uip-ds6.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <sys/time.h>
#include <sys/types.h>
#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include <signal.h>
#include <termios.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#define DEBUG DEBUG_NONE
#include "net/ip/uip-debug.h"
#ifdef linux
#include <linux/if.h>
#include <linux/if_tun.h>
#endif
#include <err.h>
#include "net/netstack.h"
#include "net/packetbuf.h"
#include "cmd.h"
#include "border-router.h"
extern const char *slip_config_ipaddr;
extern char slip_config_tundev[32];
extern uint16_t slip_config_basedelay;
#ifndef __CYGWIN__
static int tunfd;
static int set_fd(fd_set *rset, fd_set *wset);
static void handle_fd(fd_set *rset, fd_set *wset);
static const struct select_callback tun_select_callback = {
set_fd,
handle_fd
};
#endif /* __CYGWIN__ */
int ssystem(const char *fmt, ...)
__attribute__((__format__ (__printf__, 1, 2)));
int
ssystem(const char *fmt, ...) __attribute__((__format__ (__printf__, 1, 2)));
int
ssystem(const char *fmt, ...)
{
char cmd[128];
va_list ap;
va_start(ap, fmt);
vsnprintf(cmd, sizeof(cmd), fmt, ap);
va_end(ap);
printf("%s\n", cmd);
fflush(stdout);
return system(cmd);
}
/*---------------------------------------------------------------------------*/
void
cleanup(void)
{
ssystem("ifconfig %s down", slip_config_tundev);
#ifndef linux
ssystem("sysctl -w net.ipv6.conf.all.forwarding=1");
#endif
ssystem("netstat -nr"
" | awk '{ if ($2 == \"%s\") print \"route delete -net \"$1; }'"
" | sh",
slip_config_tundev);
}
/*---------------------------------------------------------------------------*/
void
sigcleanup(int signo)
{
fprintf(stderr, "signal %d\n", signo);
exit(0); /* exit(0) will call cleanup() */
}
/*---------------------------------------------------------------------------*/
void
ifconf(const char *tundev, const char *ipaddr)
{
#ifdef linux
ssystem("ifconfig %s inet `hostname` up", tundev);
ssystem("ifconfig %s add %s", tundev, ipaddr);
#elif defined(__APPLE__)
ssystem("ifconfig %s inet6 %s up", tundev, ipaddr);
ssystem("sysctl -w net.inet.ip.forwarding=1");
#else
ssystem("ifconfig %s inet `hostname` %s up", tundev, ipaddr);
ssystem("sysctl -w net.inet.ip.forwarding=1");
#endif /* !linux */
/* Print the configuration to the console. */
ssystem("ifconfig %s\n", tundev);
}
/*---------------------------------------------------------------------------*/
int
devopen(const char *dev, int flags)
{
char t[32];
strcpy(t, "/dev/");
strncat(t, dev, sizeof(t) - 5);
return open(t, flags);
}
/*---------------------------------------------------------------------------*/
#ifdef linux
int
tun_alloc(char *dev)
{
struct ifreq ifr;
int fd, err;
if( (fd = open("/dev/net/tun", O_RDWR)) < 0 ) {
return -1;
}
memset(&ifr, 0, sizeof(ifr));
/* Flags: IFF_TUN - TUN device (no Ethernet headers)
* IFF_NO_PI - Do not provide packet information
*/
ifr.ifr_flags = IFF_TUN | IFF_NO_PI;
if(*dev != 0)
strncpy(ifr.ifr_name, dev, IFNAMSIZ);
if((err = ioctl(fd, TUNSETIFF, (void *) &ifr)) < 0 ) {
close(fd);
return err;
}
strcpy(dev, ifr.ifr_name);
return fd;
}
#else
int
tun_alloc(char *dev)
{
return devopen(dev, O_RDWR);
}
#endif
#ifdef __CYGWIN__
/*wpcap process is used to connect to host interface */
void
tun_init()
{
setvbuf(stdout, NULL, _IOLBF, 0); /* Line buffered output. */
slip_init();
}
#else
static uint16_t delaymsec=0;
static uint32_t delaystartsec,delaystartmsec;
/*---------------------------------------------------------------------------*/
void
tun_init()
{
setvbuf(stdout, NULL, _IOLBF, 0); /* Line buffered output. */
slip_init();
tunfd = tun_alloc(slip_config_tundev);
if(tunfd == -1) err(1, "main: open");
select_set_callback(tunfd, &tun_select_callback);
fprintf(stderr, "opened %s device ``/dev/%s''\n",
"tun", slip_config_tundev);
atexit(cleanup);
signal(SIGHUP, sigcleanup);
signal(SIGTERM, sigcleanup);
signal(SIGINT, sigcleanup);
ifconf(slip_config_tundev, slip_config_ipaddr);
}
/*---------------------------------------------------------------------------*/
void
tun_output(uint8_t *data, int len)
{
/* fprintf(stderr, "*** Writing to tun...%d\n", len); */
if(write(tunfd, data, len) != len) {
err(1, "serial_to_tun: write");
}
}
/*---------------------------------------------------------------------------*/
int
tun_input(unsigned char *data, int maxlen)
{
int size;
if((size = read(tunfd, data, maxlen)) == -1)
err(1, "tun_input: read");
return size;
}
/*---------------------------------------------------------------------------*/
static void
init(void)
{
}
/*---------------------------------------------------------------------------*/
static void
output(void)
{
PRINTF("SUT: %u\n", uip_len);
if(uip_len > 0) {
tun_output(&uip_buf[UIP_LLH_LEN], uip_len);
}
}
const struct uip_fallback_interface rpl_interface = {
init, output
};
/*---------------------------------------------------------------------------*/
/* tun and slip select callback */
/*---------------------------------------------------------------------------*/
static int
set_fd(fd_set *rset, fd_set *wset)
{
FD_SET(tunfd, rset);
return 1;
}
/*---------------------------------------------------------------------------*/
static void
handle_fd(fd_set *rset, fd_set *wset)
{
/* Optional delay between outgoing packets */
/* Base delay times number of 6lowpan fragments to be sent */
/* delaymsec = 10; */
if(delaymsec) {
struct timeval tv;
int dmsec;
gettimeofday(&tv, NULL);
dmsec=(tv.tv_sec-delaystartsec)*1000+tv.tv_usec/1000-delaystartmsec;
if(dmsec<0) delaymsec=0;
if(dmsec>delaymsec) delaymsec=0;
}
if(delaymsec==0) {
int size;
if(FD_ISSET(tunfd, rset)) {
size = tun_input(&uip_buf[UIP_LLH_LEN], sizeof(uip_buf));
/* printf("TUN data incoming read:%d\n", size); */
uip_len = size;
tcpip_input();
if(slip_config_basedelay) {
struct timeval tv;
gettimeofday(&tv, NULL) ;
delaymsec=slip_config_basedelay;
delaystartsec =tv.tv_sec;
delaystartmsec=tv.tv_usec/1000;
}
}
}
}
#endif /* __CYGWIN_ */
/*---------------------------------------------------------------------------*/