213 lines
6.2 KiB
C
213 lines
6.2 KiB
C
/*
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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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*/
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#include "contiki.h"
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#include "contiki-lib.h"
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#include "contiki-net.h"
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#include <string.h>
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#include "dev/leds.h"
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#if CONTIKI_TARGET_SENSINODE
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#include "dev/sensinode-sensors.h"
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#include "sensinode-debug.h"
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#else
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#define putstring(s)
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#define puthex(s)
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#define putchar(s)
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#endif
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#define DEBUG DEBUG_NONE
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#include "net/uip-debug.h"
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#define SEND_INTERVAL 2 * CLOCK_SECOND
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#define MAX_PAYLOAD_LEN 40
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static char buf[MAX_PAYLOAD_LEN];
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/* Our destinations and udp conns. One link-local and one global */
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#define LOCAL_CONN_PORT 3001
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static struct uip_udp_conn *l_conn;
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#if UIP_CONF_ROUTER
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#define GLOBAL_CONN_PORT 3002
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static struct uip_udp_conn *g_conn;
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#endif
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/*---------------------------------------------------------------------------*/
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PROCESS(udp_client_process, "UDP client process");
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#if BUTTON_SENSOR_ON
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PROCESS_NAME(ping6_process);
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AUTOSTART_PROCESSES(&udp_client_process, &ping6_process);
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#else
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AUTOSTART_PROCESSES(&udp_client_process);
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#endif
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/*---------------------------------------------------------------------------*/
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static void
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tcpip_handler(void)
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{
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leds_on(LEDS_GREEN);
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if(uip_newdata()) {
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putstring("0x");
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puthex(uip_datalen());
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putstring(" bytes response=0x");
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puthex((*(uint16_t *) uip_appdata) >> 8);
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puthex((*(uint16_t *) uip_appdata) & 0xFF);
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putchar('\n');
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}
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leds_off(LEDS_GREEN);
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return;
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}
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/*---------------------------------------------------------------------------*/
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static void
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timeout_handler(void)
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{
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static int seq_id;
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struct uip_udp_conn * this_conn;
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leds_on(LEDS_RED);
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memset(buf, 0, MAX_PAYLOAD_LEN);
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seq_id++;
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#if UIP_CONF_ROUTER
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/* evens / odds */
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if(seq_id & 0x01) {
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this_conn = l_conn;
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} else {
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this_conn = g_conn;
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}
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#else
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this_conn = l_conn;
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#endif
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PRINTF("Client to: ");
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PRINT6ADDR(&this_conn->ripaddr);
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memcpy(buf, &seq_id, sizeof(seq_id));
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PRINTF(" Remote Port %u,", UIP_HTONS(this_conn->rport));
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PRINTF(" (msg=0x%04x), %u bytes\n", *(uint16_t *) buf, sizeof(seq_id));
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#if SEND_TOO_LARGE_PACKET_TO_TEST_FRAGMENTATION
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uip_udp_packet_send(this_conn, buf, UIP_APPDATA_SIZE);
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#else /* SEND_TOO_LARGE_PACKET_TO_TEST_FRAGMENTATION */
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uip_udp_packet_send(this_conn, buf, sizeof(seq_id));
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#endif /* SEND_TOO_LARGE_PACKET_TO_TEST_FRAGMENTATION */
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leds_off(LEDS_RED);
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}
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/*---------------------------------------------------------------------------*/
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static void
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print_local_addresses(void)
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{
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int i;
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uint8_t state;
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PRINTF("Client IPv6 addresses:\n");
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for(i = 0; i < UIP_DS6_ADDR_NB; i++) {
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state = uip_ds6_if.addr_list[i].state;
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if(uip_ds6_if.addr_list[i].isused && (state == ADDR_TENTATIVE || state
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== ADDR_PREFERRED)) {
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PRINT6ADDR(&uip_ds6_if.addr_list[i].ipaddr);
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if (state == ADDR_TENTATIVE) {
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uip_ds6_if.addr_list[i].state = ADDR_PREFERRED;
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}
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PRINTF(" state: %u.\n", uip_ds6_if.addr_list[i].state);
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}
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}
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return;
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}
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/*---------------------------------------------------------------------------*/
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#if UIP_CONF_ROUTER
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static void
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set_global_address(void)
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{
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uip_ipaddr_t ipaddr;
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uip_ip6addr(&ipaddr, 0x2001, 0x630, 0x301, 0x6453, 0, 0, 0, 0);
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uip_ds6_set_addr_iid(&ipaddr, &uip_lladdr);
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uip_ds6_addr_add(&ipaddr, 0, ADDR_AUTOCONF);
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}
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#endif /* UIP_CONF_ROUTER */
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/*---------------------------------------------------------------------------*/
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PROCESS_THREAD(udp_client_process, ev, data)
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{
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static struct etimer et;
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uip_ipaddr_t ipaddr;
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PROCESS_BEGIN();
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PRINTF("UDP client process started\n");
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#if UIP_CONF_ROUTER
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set_global_address();
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#endif
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print_local_addresses();
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uip_ip6addr(&ipaddr,0xfe80,0,0,0,0x0215,0x2000,0x0002,0x0302);
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/* new connection with remote host */
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l_conn = udp_new(&ipaddr, UIP_HTONS(3000), NULL);
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if(!l_conn) {
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PRINTF("udp_new l_conn error.\n");
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}
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udp_bind(l_conn, UIP_HTONS(LOCAL_CONN_PORT));
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PRINTF("Link-Local connection with ");
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PRINT6ADDR(&l_conn->ripaddr);
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PRINTF(" local/remote port %u/%u\n",
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UIP_HTONS(l_conn->lport), UIP_HTONS(l_conn->rport));
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#if UIP_CONF_ROUTER
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uip_ip6addr(&ipaddr,0x2001,0x630,0x301,0x6453,0x0215,0x2000,0x0002,0x0302);
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g_conn = udp_new(&ipaddr, UIP_HTONS(3000), NULL);
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if(!g_conn) {
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PRINTF("udp_new g_conn error.\n");
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}
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udp_bind(g_conn, UIP_HTONS(GLOBAL_CONN_PORT));
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PRINTF("Global connection with ");
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PRINT6ADDR(&g_conn->ripaddr);
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PRINTF(" local/remote port %u/%u\n",
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UIP_HTONS(g_conn->lport), UIP_HTONS(g_conn->rport));
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#endif
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etimer_set(&et, SEND_INTERVAL);
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while(1) {
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PROCESS_YIELD();
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if(etimer_expired(&et)) {
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timeout_handler();
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etimer_restart(&et);
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} else if(ev == tcpip_event) {
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tcpip_handler();
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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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