/*-----------------------------------------------------------------------*/
PROCESS_THREAD(udp_sender_process, ev, data)
{
static struct etimer period_timer, wait_timer;
PROCESS_BEGIN();
set_global_address();
PRINTF("UDP sender process started\n");
print_local_address();
/* new connection with remote host */
sender_conn = udp_new(NULL, UIP_HTONS(UDP_SINK_PORT), NULL);
udp_bind(sender_conn, UIP_HTONS(UDP_SENDER_PORT));
PRINTF("Created a connection with the sink ");
PRINT6ADDR(&sender_conn->ripaddr);
PRINTF(" local/remote port %u/%u\n",
UIP_HTONS(sender_conn->lport), UIP_HTONS(sender_conn->rport));
etimer_set(&period_timer, CLOCK_SECOND * PERIOD);
while(1) {
PROCESS_WAIT_EVENT();
if(ev == PROCESS_EVENT_TIMER) {
if(data == &period_timer) {
etimer_reset(&period_timer);
etimer_set(&wait_timer,
random_rand() % (CLOCK_SECOND * RANDWAIT));
} else if(data ==&wait_timer) {
/* Time to send a data. */
collect_common_send();
}
}
}
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
static void
tcpip_handler(void)
{
/* handle the incoming packet */
if(uip_newdata()) {
if( ((query_pkt_t*)uip_appdata)->type == 1){
/* Query Packet */
query_pkt_t *appdata;
appdata = (query_pkt_t*)uip_appdata;
if(!appdata->multicast_flag)
collect_common_send();
else{
if(appdata->query_id > cur_query_id) { /* Do not reply to the duplicate query */
cur_query_id = appdata->query_id;
if(region == SENSOR || region == ANONYMOUS){
collect_common_send();
}
else if (appdata->id < region) { //else drop the query, received from the lower region
/* send multicast query to the lower regions */
appdata->id = region;
uip_ipaddr_t addr;
uip_create_linklocal_allnodes_mcast(&addr);
uip_udp_packet_sendto(server_conn, appdata, sizeof(query_pkt_t),
&addr, UIP_HTONS(UDP_CLIENT_PORT));
}
}
}
}
else if( ((identity_pkt_t*)uip_appdata)->type == 2){
/* Identity Packet */
if(region > ((identity_pkt_t*)uip_appdata)->id )
add_new_nbr(((identity_pkt_t*)uip_appdata)->id, UIP_IP_BUF->srcipaddr, cc2420_last_rssi);
print_nbr_table();
}
}
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(collect_common_process, ev, data)
{
static struct etimer period_timer, wait_timer;
PROCESS_BEGIN();
collect_common_net_init();
/* Send a packet every 60-62 seconds. */
etimer_set(&period_timer, CLOCK_SECOND * PERIOD);
while(1) {
PROCESS_WAIT_EVENT();
if(ev == serial_line_event_message) {
/* char *line;
line = (char *)data;
if(strncmp(line, "collect", 7) == 0 ||
strncmp(line, "gw", 2) == 0) {
collect_common_set_sink();
} else if(strncmp(line, "net", 3) == 0) {
collect_common_net_print();
} else if(strncmp(line, "time ", 5) == 0) {
unsigned long tmp;
line += 6;
while(*line == ' ') {
line++;
}
tmp = strtolong(line);
time_offset = clock_seconds() - tmp;
printf("Time offset set to %lu\n", time_offset);
} else if(strncmp(line, "mac ", 4) == 0) {
line +=4;
while(*line == ' ') {
line++;
}
if(*line == '0') {
NETSTACK_RDC.off(1);
printf("mac: turned MAC off (keeping radio on): %s\n",
NETSTACK_RDC.name);
} else {
NETSTACK_RDC.on();
printf("mac: turned MAC on: %s\n", NETSTACK_RDC.name);
}
} else if(strncmp(line, "~K", 2) == 0 ||
strncmp(line, "killall", 7) == 0) {
/* Ignore stop commands */
/* } else {
printf("unhandled command: %s\n", line);
}*/
}
if(ev == PROCESS_EVENT_TIMER) {
if(data == &period_timer) {
etimer_reset(&period_timer);
etimer_set(&wait_timer, random_rand() % (CLOCK_SECOND * RANDWAIT));
} else if(data == &wait_timer) {
if(send_active) {
/* Time to send the data */
collect_common_send();
}
}
}
}
PROCESS_END();
}