373 lines
10 KiB
C
373 lines
10 KiB
C
/*
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* Copyright (c) 2008, Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* This file is part of the Contiki operating system.
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*
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* $Id: shell-rime.c,v 1.25 2010/09/14 07:18:14 adamdunkels Exp $
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*/
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/**
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* \file
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* A brief description of what this file is.
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* \author
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* Adam Dunkels <adam@sics.se>
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*/
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#include "contiki.h"
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#include "contiki-conf.h"
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#include "shell-rime.h"
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#include "dev/leds.h"
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#include "lib/crc16.h"
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#include "lib/random.h"
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#include "net/rime.h"
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#include "net/netstack.h"
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#include "net/rime/route.h"
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#include "net/rime/timesynch.h"
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#if CONTIKI_TARGET_NETSIM
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#include "ether.h"
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#endif /* CONTIKI_TARGET_NETSIM */
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#include <stdio.h>
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#ifndef HAVE_SNPRINTF
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int snprintf(char *str, size_t size, const char *format, ...);
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#endif /* HAVE_SNPRINTF */
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#include <string.h>
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#define DEFAULT_COLLECT_REXMITS 4
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#define COLLECT_MSG_HDRSIZE 4
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struct collect_msg {
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uint16_t timestamp;
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uint16_t crc;
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uint8_t data[1];
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};
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struct collect_conn shell_collect_conn;
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static int waiting_for_collect = 0;
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static int is_sink = 0;
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/*---------------------------------------------------------------------------*/
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PROCESS(shell_mac_process, "mac");
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SHELL_COMMAND(mac_command,
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"mac",
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"mac <onoroff>: turn MAC protocol on (1) or off (0)",
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&shell_mac_process);
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PROCESS(shell_send_process, "send");
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SHELL_COMMAND(send_command,
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"send",
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"send <rexmits>: send data to the collector node, with rexmits hop-by-hop retransmissions",
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&shell_send_process);
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PROCESS(shell_collect_process, "collect");
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SHELL_COMMAND(collect_command,
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"collect",
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"collect: collect data from the network",
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&shell_collect_process);
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#if WITH_TREEDEPTH
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PROCESS(shell_treedepth_process, "treedepth");
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SHELL_COMMAND(treedepth_command,
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"treedepth",
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"treedepth: print the collection tree depth",
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&shell_treedepth_process);
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#endif /* WITH_TREEDEPTH */
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PROCESS(shell_routes_process, "routes");
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SHELL_COMMAND(routes_command,
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"routes",
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"routes: dump route list in binary format",
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&shell_routes_process);
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PROCESS(shell_packetize_process, "packetize");
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SHELL_COMMAND(packetize_command,
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"packetize",
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"packetize: put data into one packet",
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&shell_packetize_process);
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_mac_process, ev, data)
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{
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int onoroff;
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const char *next;
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PROCESS_BEGIN();
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onoroff = shell_strtolong((char *)data, &next);
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if(next == data) {
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shell_output_str(&mac_command, "mac: current MAC layer: ", NETSTACK_RDC.name);
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shell_output_str(&mac_command, "mac usage: ", mac_command.description);
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} else {
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if(onoroff) {
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NETSTACK_RDC.on();
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shell_output_str(&mac_command, "mac: turned MAC on: ", NETSTACK_RDC.name);
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} else {
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NETSTACK_RDC.off(1);
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shell_output_str(&mac_command, "mac: turned MAC off (keeping radio on): ",
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NETSTACK_RDC.name);
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_packetize_process, ev, data)
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{
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static struct queuebuf *q = NULL;
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static char *ptr;
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static int size;
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int len;
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PROCESS_BEGIN();
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while(1) {
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struct shell_input *input;
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PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
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if(q == NULL) {
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packetbuf_clear();
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q = queuebuf_new_from_packetbuf();
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if(q == NULL) {
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shell_output_str(&packetize_command, "packetize: could not allocate packet buffer", "");
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PROCESS_EXIT();
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}
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ptr = queuebuf_dataptr(q);
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size = 0;
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}
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input = data;
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len = input->len1 + input->len2;
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if(len + size >= PACKETBUF_SIZE ||
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len == 0) {
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shell_output(&packetize_command,
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ptr, size,
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"", 0);
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queuebuf_free(q);
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q = NULL;
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PROCESS_EXIT();
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}
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memcpy(ptr + size, input->data1, input->len1);
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size += input->len1;
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memcpy(ptr + size, input->data2, input->len2);
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size += input->len2;
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_routes_process, ev, data)
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{
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struct {
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uint16_t len;
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uint16_t dest;
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uint16_t nexthop;
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uint16_t hop_count;
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uint16_t seqno;
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} msg;
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int i;
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struct route_entry *r;
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PROCESS_BEGIN();
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memset(&msg, 0, sizeof(msg));
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msg.len = 4;
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for(i = 0; i < route_num(); ++i) {
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r = route_get(i);
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rimeaddr_copy((rimeaddr_t *)&msg.dest, &r->dest);
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rimeaddr_copy((rimeaddr_t *)&msg.nexthop, &r->nexthop);
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msg.hop_count = r->cost;
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msg.seqno = r->seqno;
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shell_output(&routes_command, &msg, sizeof(msg), "", 0);
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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#if WITH_TREEDEPTH
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PROCESS_THREAD(shell_treedepth_process, ev, data)
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{
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char buf[20];
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PROCESS_BEGIN();
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snprintf(buf, sizeof(buf), "%d", collect_depth(&collect));
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shell_output_str(&treedepth_command, buf, "");
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PROCESS_END();
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}
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#endif /* WITH_TREEDEPTH */
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_collect_process, ev, data)
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{
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PROCESS_BEGIN();
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#if TIMESYNCH_CONF_ENABLED
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timesynch_set_authority_level(0);
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#endif
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collect_set_sink(&shell_collect_conn, 1);
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is_sink = 1;
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waiting_for_collect = 1;
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PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
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waiting_for_collect = 0;
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(shell_send_process, ev, data)
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{
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struct shell_input *input;
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int len;
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struct collect_msg *msg;
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static int num_rexmits;
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const char *next;
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PROCESS_BEGIN();
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num_rexmits = shell_strtolong((char *)data, &next);
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if(next == data) {
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/* If no argument was given, we send packets with a default number
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of retransmissions. */
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num_rexmits = DEFAULT_COLLECT_REXMITS;
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}
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while(1) {
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PROCESS_WAIT_EVENT_UNTIL(ev == shell_event_input);
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input = data;
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len = input->len1 + input->len2;
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if(len == 0) {
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PROCESS_EXIT();
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}
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if(len < PACKETBUF_SIZE) {
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packetbuf_clear();
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packetbuf_set_datalen(len + COLLECT_MSG_HDRSIZE);
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msg = packetbuf_dataptr();
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memcpy(msg->data, input->data1, input->len1);
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memcpy(msg->data + input->len1, input->data2, input->len2);
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#if TIMESYNCH_CONF_ENABLED
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msg->timestamp = timesynch_time();
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#else
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msg->timestamp = 0;
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#endif
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msg->crc = crc16_data(msg->data, len, 0);
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collect_send(&shell_collect_conn, num_rexmits);
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}
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}
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PROCESS_END();
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}
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/*---------------------------------------------------------------------------*/
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static void
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recv_collect(const rimeaddr_t *originator, u8_t seqno, u8_t hops)
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{
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struct collect_msg collect_msg;
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char *dataptr;
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rtimer_clock_t latency;
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int len;
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/* Copy the collect message header. */
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memcpy(&collect_msg, packetbuf_dataptr(), sizeof(collect_msg));
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dataptr = ((struct collect_msg *)packetbuf_dataptr())->data;
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#if TIMESYNCH_CONF_ENABLED
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latency = timesynch_time() - collect_msg.timestamp;
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#else
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latency = 0;
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#endif
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if(waiting_for_collect) {
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struct {
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uint16_t len;
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uint16_t originator;
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uint16_t seqno;
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uint16_t hops;
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uint16_t latency;
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} msg;
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if(packetbuf_datalen() >= COLLECT_MSG_HDRSIZE) {
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len = packetbuf_datalen() - COLLECT_MSG_HDRSIZE;
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if(collect_msg.crc == crc16_data(dataptr, len, 0)) {
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msg.len = 5 + (packetbuf_datalen() - COLLECT_MSG_HDRSIZE) / 2;
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rimeaddr_copy((rimeaddr_t *)&msg.originator, originator);
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msg.seqno = seqno;
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msg.hops = hops;
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msg.latency = latency;
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shell_output(&collect_command,
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&msg, sizeof(msg),
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dataptr, packetbuf_datalen() - COLLECT_MSG_HDRSIZE);
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}
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}
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}
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}
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static const struct collect_callbacks collect_callbacks = { recv_collect };
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/*---------------------------------------------------------------------------*/
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/*static void
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send_collect(void *dummy)
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{
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struct collect_msg msg;
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#if TIMESYNCH_CONF_ENABLED
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msg.timestamp = timesynch_time();
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#else
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msg.timestamp = 0;
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#endif
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packetbuf_copyfrom(&msg, COLLECT_MSG_HDRSIZE);
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collect_send(&collect, COLLECT_REXMITS);
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}*/
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/*---------------------------------------------------------------------------*/
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void
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shell_rime_init(void)
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{
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collect_open(&shell_collect_conn, SHELL_RIME_CHANNEL_COLLECT,
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COLLECT_ROUTER, &collect_callbacks);
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shell_register_command(&collect_command);
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shell_register_command(&mac_command);
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shell_register_command(&packetize_command);
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shell_register_command(&routes_command);
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shell_register_command(&send_command);
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#if WITH_TREEDEPTH
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shell_register_command(&treedepth_command);
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#endif /* WITH_TREEDEPTH */
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}
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/*---------------------------------------------------------------------------*/
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