osd-contiki/examples/avr-rss2/ipv6/sensd_client/server.c

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/*
* Copyright (c) 2015, Copyright Robert Olsson / Radio Sensors AB
* 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.
*
*
* Author : Robert Olsson robert@radio-sensors.com
* Created : 2015-12-28
*/
/**
* \file
* A simple TCP server for client app.
*/
#include <string.h>
#include "contiki-net.h"
#include "leds.h"
#define DEBUG DEBUG_PRINT
#include "uip-debug.h"
#define PORT 1236
static struct psock ps;
static uint8_t buf[120];
static int i;
static uint8_t state;
static void
print_local_addresses(void)
{
PRINTF("Server IPv6 addresses:\n\r");
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)) {
PRINT6ADDR(&uip_ds6_if.addr_list[i].ipaddr);
PRINTF("\n\r");
}
}
}
static void
set_global_address(void)
{
uip_ipaddr_t ipaddr;
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uip_ip6addr(&ipaddr, 0xfd00, 0, 0, 0, 0, 0, 0, 0);
uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
}
static
PT_THREAD(handle_connection(struct psock *p))
{
PSOCK_BEGIN(p);
//PSOCK_SEND_STR(p, "Type something!\n");
leds_on(LEDS_RED);
PSOCK_READTO(p, '\n');
printf("RX=%s", buf);
//PSOCK_SEND_STR(p, "Got: ");
//PSOCK_SEND(p, buf, PSOCK_DATALEN(p));
//PSOCK_SEND_STR(p, "EOL\r\n");
//PSOCK_CLOSE(p);
PSOCK_END(p);
}
PROCESS(server_process, "Server");
AUTOSTART_PROCESSES(&server_process);
PROCESS_THREAD(server_process, ev, data)
{
PROCESS_BEGIN();
set_global_address();
leds_init();
print_local_addresses();
printf("Starting TCP server on port=%d\n", PORT);
tcp_listen(UIP_HTONS(PORT));
while(1) {
PROCESS_WAIT_EVENT_UNTIL(ev == tcpip_event);
if(uip_aborted() )
printf("TCP aborted\n");
if(uip_timedout() )
printf("TCP timeoutn\n");
if(uip_closed() )
printf("TCP closed\n");
if(uip_connected()) {
printf("TCP Connected\n\r");
PSOCK_INIT(&ps, buf, sizeof(buf));
while(!(uip_aborted() || uip_closed() || uip_timedout())) {
PROCESS_WAIT_EVENT_UNTIL(ev == tcpip_event);
handle_connection(&ps);
}
}
}
PROCESS_END();
}