mirror of
https://github.com/oliverschmidt/contiki.git
synced 2024-11-19 03:05:14 +00:00
135 lines
4.1 KiB
C
135 lines
4.1 KiB
C
/*
|
|
* 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 small command-line interface for the querying remote database systems.
|
|
* \author
|
|
* Nicolas Tsiftes <nvt@sics.se>
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
#include "contiki.h"
|
|
#include "dev/serial-line.h"
|
|
#include "net/rime.h"
|
|
#include "net/rime/mesh.h"
|
|
|
|
#include "antelope.h"
|
|
/*---------------------------------------------------------------------------*/
|
|
#define MAX_QUERY_SIZE 100
|
|
|
|
#define NETDB_CHANNEL 70
|
|
|
|
#ifndef SERVER_ID
|
|
#define SERVER_ID 4
|
|
#endif
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(netdb_process, "NetDB");
|
|
AUTOSTART_PROCESSES(&netdb_process);
|
|
|
|
static unsigned server_id = SERVER_ID;
|
|
static struct mesh_conn mesh;
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS(shell_process, "Shell Process");
|
|
|
|
PROCESS_THREAD(shell_process, ev, data)
|
|
{
|
|
rimeaddr_t addr;
|
|
|
|
PROCESS_BEGIN();
|
|
|
|
printf("NetDB client\n");
|
|
|
|
for(;;) {
|
|
PROCESS_WAIT_EVENT_UNTIL(ev == serial_line_event_message && data != NULL);
|
|
if(strncmp(data, "server ", 7) == 0) {
|
|
server_id = atoi((char *)data + 7);
|
|
} else {
|
|
printf("%lu Transmitting query \"%s\" to node %u\n", clock_time(), (char *)data, server_id);
|
|
packetbuf_copyfrom(data, strlen(data));
|
|
addr.u8[0] = server_id;
|
|
addr.u8[1] = 0;
|
|
packetbuf_set_attr(PACKETBUF_ATTR_PACKET_TYPE,
|
|
PACKETBUF_ATTR_PACKET_TYPE_STREAM);
|
|
mesh_send(&mesh, &addr);
|
|
}
|
|
}
|
|
|
|
PROCESS_END();
|
|
}
|
|
|
|
/*---------------------------------------------------------------------------*/
|
|
static void
|
|
sent(struct mesh_conn *c)
|
|
{
|
|
}
|
|
|
|
static void
|
|
timedout(struct mesh_conn *c)
|
|
{
|
|
printf("Failed to send packet: time out\n");
|
|
}
|
|
|
|
static void
|
|
received(struct mesh_conn *c, const rimeaddr_t *from, uint8_t hops)
|
|
{
|
|
char *data;
|
|
unsigned len;
|
|
static char reply[MAX_QUERY_SIZE + 1];
|
|
|
|
data = (char *)packetbuf_dataptr();
|
|
len = packetbuf_datalen();
|
|
|
|
if(len > MAX_QUERY_SIZE) {
|
|
printf("Too long query: %d bytes\n", len);
|
|
return;
|
|
}
|
|
|
|
memcpy(reply, data, len);
|
|
reply[len] = '\0';
|
|
|
|
printf("%lu Reply received from %d.%d (%d hops): %s",
|
|
clock_time(), from->u8[0], from->u8[1], (int)hops, reply);
|
|
}
|
|
|
|
static const struct mesh_callbacks callbacks = {received, sent, timedout};
|
|
/*---------------------------------------------------------------------------*/
|
|
PROCESS_THREAD(netdb_process, ev, data)
|
|
{
|
|
PROCESS_EXITHANDLER(mesh_close(&mesh));
|
|
PROCESS_BEGIN();
|
|
|
|
mesh_open(&mesh, NETDB_CHANNEL, &callbacks);
|
|
process_start(&shell_process, NULL);
|
|
|
|
PROCESS_END();
|
|
}
|