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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 1.13 2009/03/12 21:58:20 adamdunkels Exp $
*/
/**
* \file
* A brief description of what this file is.
* \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/rime/neighbor.h"
#include "net/rime/route.h"
#include "net/rime/netflood.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 COLLECT_REXMITS 4
enum {
NETFLOOD_TYPE_NODES,
};
struct netflood_msg {
uint8_t type;
};
static uint8_t nodes_seqno;
#define COLLECT_MSG_HDRSIZE 4
struct collect_msg {
uint16_t timestamp;
uint16_t crc;
uint8_t data[1];
};
static struct collect_conn collect;
static struct netflood_conn netflood;
static struct ctimer ctimer;
static int waiting_for_nodes = 0;
static int waiting_for_collect = 0;
static int messages_received = 0;
static int is_sink = 0;
/* XXX ideas not implemented yet:
* download: download file from specific node.
* traceroute
*/
/*---------------------------------------------------------------------------*/
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_nodes_process, "nodes");
SHELL_COMMAND(nodes_command,
"nodes",
"nodes: get a list of nodes in the network",
&shell_nodes_process);
PROCESS(shell_send_process, "send");
SHELL_COMMAND(send_command,
"send",
"send: send data to the collector node",
&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_neighbors_process, "neighbors");
SHELL_COMMAND(neighbors_command,
"neighbors",
"neighbors: dump neighbor list in binary format",
&shell_neighbors_process);
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: ", rime_mac->name);
shell_output_str(&mac_command, "mac usage: ", mac_command.description);
} else {
if(onoroff) {
rime_mac->on();
shell_output_str(&mac_command, "mac: turned MAC on: ", rime_mac->name);
} else {
rime_mac->off(1);
shell_output_str(&mac_command, "mac: turned MAC off (keeping radio on): ",
rime_mac->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->hop_count;
msg.seqno = r->seqno;
shell_output(&routes_command, &msg, sizeof(msg), "", 0);
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_neighbors_process, ev, data)
{
struct {
uint16_t len;
uint16_t addr;
uint16_t rtmetric;
uint16_t etx;
} msg;
int i;
struct neighbor *n;
PROCESS_BEGIN();
for(i = 0; i < neighbor_num(); ++i) {
n = neighbor_get(i);
if(!rimeaddr_cmp(&n->addr, &rimeaddr_null)) {
memset(&msg, 0, sizeof(msg));
msg.len = 3;
rimeaddr_copy((rimeaddr_t *)&msg.addr, &n->addr);
msg.rtmetric = n->rtmetric;
msg.etx = neighbor_etx(n);
shell_output(&neighbors_command, &msg, sizeof(msg), "", 0);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_nodes_process, ev, data)
{
static struct etimer etimer;
struct netflood_msg *msg;
char buf[10];
PROCESS_BEGIN();
if(!is_sink) {
shell_output_str(&nodes_command,
"Setting up a collection network...", "");
#if TIMESYNCH_CONF_ENABLED
timesynch_set_authority_level(0);
#endif
collect_set_sink(&collect, 1);
etimer_set(&etimer, CLOCK_SECOND * 2);
PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
is_sink = 1;
}
packetbuf_clear();
msg = packetbuf_dataptr();
packetbuf_set_datalen(sizeof(struct netflood_msg));
msg->type = NETFLOOD_TYPE_NODES;
netflood_send(&netflood, nodes_seqno++);
etimer_set(&etimer, CLOCK_SECOND * 10);
waiting_for_nodes = 1;
shell_output_str(&nodes_command,
"Request sent, waiting for replies...", "");
messages_received = 0;
PROCESS_WAIT_UNTIL(etimer_expired(&etimer));
snprintf(buf, sizeof(buf), "%d", messages_received);
shell_output_str(&nodes_command, buf, " nodes heard");
waiting_for_nodes = 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(&collect, 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;
PROCESS_BEGIN();
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);
/* printf("Sending %d bytes\n", len);*/
collect_send(&collect, COLLECT_REXMITS);
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
static void
recv_collect(const rimeaddr_t *originator, u8_t seqno, u8_t hops)
{
struct collect_msg *collect_msg;
rtimer_clock_t latency;
int len;
collect_msg = packetbuf_dataptr();
#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(collect_msg->data, 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;
/* printf("recv_collect datalen %d\n", packetbuf_datalen());*/
shell_output(&collect_command,
&msg, sizeof(msg),
collect_msg->data, packetbuf_datalen() - COLLECT_MSG_HDRSIZE);
}
}
} else if(waiting_for_nodes) {
char buf[40];
snprintf(buf, sizeof(buf), "%d.%d, %d hops, latency %lu ms",
originator->u8[0], originator->u8[1],
hops, (1000L * latency) / RTIMER_ARCH_SECOND);
shell_output_str(&nodes_command, "Message from node ", buf);
messages_received++;
}
}
static const struct collect_callbacks collect_callbacks = { recv_collect };
/*---------------------------------------------------------------------------*/
static void
send_collect(void *dummy)
{
struct collect_msg msg;
#if TIMESYNCH_CONF_ENABLED
msg.timestamp = timesynch_time();
#else
msg.timestamp = 0;
#endif
packetbuf_copyfrom(&msg, COLLECT_MSG_HDRSIZE);
collect_send(&collect, COLLECT_REXMITS);
}
/*---------------------------------------------------------------------------*/
static int
recv_netflood(struct netflood_conn *c, rimeaddr_t *from,
rimeaddr_t *originator, uint8_t seqno, uint8_t hops)
{
struct netflood_msg *msg;
msg = packetbuf_dataptr();
if(msg->type == NETFLOOD_TYPE_NODES) {
ctimer_set(&ctimer, random_rand() % (CLOCK_SECOND * 8),
send_collect, NULL);
}
return 1;
}
const static struct netflood_callbacks netflood_callbacks = { recv_netflood,
NULL, NULL };
/*---------------------------------------------------------------------------*/
void
shell_rime_init(void)
{
netflood_open(&netflood, CLOCK_SECOND * 8,
SHELL_RIME_CHANNEL_NODES, &netflood_callbacks);
collect_open(&collect, SHELL_RIME_CHANNEL_COLLECT, &collect_callbacks);
shell_register_command(&collect_command);
shell_register_command(&mac_command);
shell_register_command(&neighbors_command);
shell_register_command(&nodes_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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