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nes-proj/apps/shell/shell-rime.c

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/*
* Copyright (c) 2008, 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.
*
* $Id: shell-rime.c,v 1.27 2010/10/12 11:36:42 adamdunkels Exp $
*/
/**
* \file
* Shell commands for Rime communication primitives
* \author
* Adam Dunkels <adam@sics.se>
*/
#include "contiki.h"
#include "contiki-conf.h"
#include "shell-rime.h"
#include "dev/leds.h"
#include "lib/crc16.h"
#include "lib/random.h"
#include "net/rime.h"
#include "net/netstack.h"
#include "net/rime/route.h"
#include "net/rime/timesynch.h"
#if CONTIKI_TARGET_NETSIM
#include "ether.h"
#endif /* CONTIKI_TARGET_NETSIM */
#include <stdio.h>
#ifndef HAVE_SNPRINTF
int snprintf(char *str, size_t size, const char *format, ...);
#endif /* HAVE_SNPRINTF */
#include <string.h>
#define DEFAULT_COLLECT_REXMITS 15
#define COLLECT_MSG_HDRSIZE 4
struct collect_msg {
uint16_t timestamp;
uint16_t crc;
uint8_t data[1];
};
struct collect_conn shell_collect_conn;
static int waiting_for_collect = 0;
static int is_sink = 0;
/*---------------------------------------------------------------------------*/
PROCESS(shell_mac_process, "mac");
SHELL_COMMAND(mac_command,
"mac",
"mac <onoroff>: turn MAC protocol on (1) or off (0)",
&shell_mac_process);
PROCESS(shell_send_process, "send");
SHELL_COMMAND(send_command,
"send",
"send <rexmits>: send data to the collector node, with rexmits hop-by-hop retransmissions",
&shell_send_process);
PROCESS(shell_collect_process, "collect");
SHELL_COMMAND(collect_command,
"collect",
"collect: collect data from the network",
&shell_collect_process);
#if WITH_TREEDEPTH
PROCESS(shell_treedepth_process, "treedepth");
SHELL_COMMAND(treedepth_command,
"treedepth",
"treedepth: print the collection tree depth",
&shell_treedepth_process);
#endif /* WITH_TREEDEPTH */
PROCESS(shell_routes_process, "routes");
SHELL_COMMAND(routes_command,
"routes",
"routes: dump route list in binary format",
&shell_routes_process);
PROCESS(shell_packetize_process, "packetize");
SHELL_COMMAND(packetize_command,
"packetize",
"packetize: put data into one packet",
&shell_packetize_process);
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_mac_process, ev, data)
{
int onoroff;
const char *next;
PROCESS_BEGIN();
onoroff = shell_strtolong((char *)data, &next);
if(next == data) {
shell_output_str(&mac_command, "mac: current MAC layer: ", NETSTACK_RDC.name);
shell_output_str(&mac_command, "mac usage: ", mac_command.description);
} else {
if(onoroff) {
NETSTACK_RDC.on();
shell_output_str(&mac_command, "mac: turned MAC on: ", NETSTACK_RDC.name);
} else {
NETSTACK_RDC.off(1);
shell_output_str(&mac_command, "mac: turned MAC off (keeping radio on): ",
NETSTACK_RDC.name);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_packetize_process, ev, data)
{
static struct queuebuf *q = NULL;
static char *ptr;
static int size;
int len;
PROCESS_BEGIN();
while(1) {
struct shell_input *input;
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
if(q == NULL) {
packetbuf_clear();
q = queuebuf_new_from_packetbuf();
if(q == NULL) {
shell_output_str(&packetize_command, "packetize: could not allocate packet buffer", "");
PROCESS_EXIT();
}
ptr = queuebuf_dataptr(q);
size = 0;
}
input = data;
len = input->len1 + input->len2;
if(len + size >= PACKETBUF_SIZE ||
len == 0) {
shell_output(&packetize_command,
ptr, size,
"", 0);
queuebuf_free(q);
q = NULL;
PROCESS_EXIT();
}
memcpy(ptr + size, input->data1, input->len1);
size += input->len1;
memcpy(ptr + size, input->data2, input->len2);
size += input->len2;
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_routes_process, ev, data)
{
struct {
uint16_t len;
uint16_t dest;
uint16_t nexthop;
uint16_t hop_count;
uint16_t seqno;
} msg;
int i;
struct route_entry *r;
PROCESS_BEGIN();
memset(&msg, 0, sizeof(msg));
msg.len = 4;
for(i = 0; i < route_num(); ++i) {
r = route_get(i);
rimeaddr_copy((rimeaddr_t *)&msg.dest, &r->dest);
rimeaddr_copy((rimeaddr_t *)&msg.nexthop, &r->nexthop);
msg.hop_count = r->cost;
msg.seqno = r->seqno;
shell_output(&routes_command, &msg, sizeof(msg), "", 0);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
#if WITH_TREEDEPTH
PROCESS_THREAD(shell_treedepth_process, ev, data)
{
char buf[20];
PROCESS_BEGIN();
snprintf(buf, sizeof(buf), "%d", collect_depth(&collect));
shell_output_str(&treedepth_command, buf, "");
PROCESS_END();
}
#endif /* WITH_TREEDEPTH */
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_collect_process, ev, data)
{
PROCESS_BEGIN();
#if TIMESYNCH_CONF_ENABLED
timesynch_set_authority_level(0);
#endif
collect_set_sink(&shell_collect_conn, 1);
is_sink = 1;
waiting_for_collect = 1;
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
waiting_for_collect = 0;
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_send_process, ev, data)
{
struct shell_input *input;
int len;
struct collect_msg *msg;
static int num_rexmits;
const char *next;
PROCESS_BEGIN();
num_rexmits = shell_strtolong((char *)data, &next);
if(next == data) {
/* If no argument was given, we send packets with a default number
of retransmissions. */
num_rexmits = DEFAULT_COLLECT_REXMITS;
}
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
input = data;
len = input->len1 + input->len2;
if(len == 0) {
PROCESS_EXIT();
}
if(len < PACKETBUF_SIZE) {
packetbuf_clear();
packetbuf_set_datalen(len + COLLECT_MSG_HDRSIZE);
msg = packetbuf_dataptr();
memcpy(msg->data, input->data1, input->len1);
memcpy(msg->data + input->len1, input->data2, input->len2);
#if TIMESYNCH_CONF_ENABLED
msg->timestamp = timesynch_time();
#else
msg->timestamp = 0;
#endif
msg->crc = crc16_data(msg->data, len, 0);
collect_send(&shell_collect_conn, num_rexmits);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
static void
recv_collect(const rimeaddr_t *originator, u8_t seqno, u8_t hops)
{
struct collect_msg collect_msg;
char *dataptr;
rtimer_clock_t latency;
int len;
/* Copy the collect message header. */
memcpy(&collect_msg, packetbuf_dataptr(), sizeof(collect_msg));
dataptr = ((struct collect_msg *)packetbuf_dataptr())->data;
#if TIMESYNCH_CONF_ENABLED
latency = timesynch_time() - collect_msg.timestamp;
#else
latency = 0;
#endif
if(waiting_for_collect) {
struct {
uint16_t len;
uint16_t originator;
uint16_t seqno;
uint16_t hops;
uint16_t latency;
} msg;
if(packetbuf_datalen() >= COLLECT_MSG_HDRSIZE) {
len = packetbuf_datalen() - COLLECT_MSG_HDRSIZE;
if(collect_msg.crc == crc16_data(dataptr, len, 0)) {
msg.len = 5 + (packetbuf_datalen() - COLLECT_MSG_HDRSIZE) / 2;
rimeaddr_copy((rimeaddr_t *)&msg.originator, originator);
msg.seqno = seqno;
msg.hops = hops;
msg.latency = latency;
shell_output(&collect_command,
&msg, sizeof(msg),
dataptr, packetbuf_datalen() - COLLECT_MSG_HDRSIZE);
}
}
}
}
static const struct collect_callbacks collect_callbacks = { recv_collect };
/*---------------------------------------------------------------------------*/
void
shell_rime_init(void)
{
collect_open(&shell_collect_conn, SHELL_RIME_CHANNEL_COLLECT,
COLLECT_ROUTER, &collect_callbacks);
collect_set_keepalive(&shell_collect_conn, 10 * 60 * CLOCK_SECOND);
shell_register_command(&collect_command);
shell_register_command(&mac_command);
shell_register_command(&packetize_command);
shell_register_command(&routes_command);
shell_register_command(&send_command);
#if WITH_TREEDEPTH
shell_register_command(&treedepth_command);
#endif /* WITH_TREEDEPTH */
}
/*---------------------------------------------------------------------------*/
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