/*---------------------------------------------------------------------------*/
int
runicast_send(struct runicast_conn *c, const rimeaddr_t *receiver,
uint8_t max_retransmissions)
{
int ret;
if(runicast_is_transmitting(c)) {
PRINTF("%d.%d: runicast: already transmitting\n",
rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1]);
return 0;
}
packetbuf_set_attr(PACKETBUF_ATTR_RELIABLE, 1);
packetbuf_set_attr(PACKETBUF_ATTR_PACKET_TYPE, PACKETBUF_ATTR_PACKET_TYPE_DATA);
packetbuf_set_attr(PACKETBUF_ATTR_PACKET_ID, c->sndnxt);
packetbuf_set_attr(PACKETBUF_ATTR_MAX_MAC_TRANSMISSIONS, 3);
c->max_rxmit = max_retransmissions;
c->rxmit = 0;
c->is_tx = 1;
RIMESTATS_ADD(reliabletx);
PRINTF("%d.%d: runicast: sending packet %d\n",
rimeaddr_node_addr.u8[0],rimeaddr_node_addr.u8[1],
c->sndnxt);
ret = stunicast_send_stubborn(&c->c, receiver, REXMIT_TIME);
if(!ret) {
c->is_tx = 0;
}
return ret;
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(shell_download_process, ev, data)
{
const char *nextptr;
static rimeaddr_t addr;
int len;
char buf[32];
PROCESS_BEGIN();
/* Parse node addr */
addr.u8[0] = shell_strtolong(data, &nextptr);
if(nextptr == data || *nextptr != '.') {
shell_output_str(&download_command,
"download <node addr> <filename>: need node address", "");
PROCESS_EXIT();
}
++nextptr;
addr.u8[1] = shell_strtolong(nextptr, &nextptr);
/* Get the length of the file, excluding a terminating NUL character. */
while(nextptr[0] == ' ') {
nextptr++;
}
len = strlen(nextptr);
/*snprintf(buf, sizeof(buf), "%d.%d", addr.u8[0], addr.u8[1]);*/
/*shell_output_str(&download_command, "Downloading from: ", buf);*/
if(len > PACKETBUF_SIZE - 32) {
snprintf(buf, sizeof(buf), "%d", len);
shell_output_str(&download_command, "filename too large: ", buf);
PROCESS_EXIT();
}
/*shell_output_str(&download_command, "Downloading file: ", nextptr);*/
/* Send file request */
downloading = 1;
rucb_open(&rucb, RUCB_CHANNEL, &rucb_call);
packetbuf_clear();
*((uint8_t *)packetbuf_dataptr()) = ++req_seq_counter;
memcpy(((char *)packetbuf_dataptr()) + 1, nextptr, len + 1);
packetbuf_set_datalen(len + 2);
PRINTF("requesting '%s'\n", nextptr);
runicast_send(&runicast, &addr, MAX_RETRANSMISSIONS);
/* Wait for download to finish */
leds_on(LEDS_BLUE);
PROCESS_WAIT_UNTIL(!runicast_is_transmitting(&runicast) && !downloading);
leds_off(LEDS_BLUE);
rucb_close(&rucb);
/*shell_output_str(&download_command, "Done!", "");*/
PROCESS_END();
}
/*---------------------------------------------------------------------------*/
PROCESS_THREAD(unicast_test_process, ev, data)
{
PROCESS_BEGIN();
puts("unicast test start");
runicast_open(&runicast, 144, &runicast_callbacks);
/* Receiver node: do nothing */
if(linkaddr_node_addr.u8[0] == RX_ADDR1 &&
linkaddr_node_addr.u8[1] == RX_ADDR2) {
puts("wait forever");
}
while(1) {
static struct etimer et;
static int seqno;
etimer_set(&et, CLOCK_SECOND * 5);
PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
if(linkaddr_node_addr.u8[0] == RX_ADDR1 &&
linkaddr_node_addr.u8[1] == RX_ADDR2) {
puts("tick...");
continue;
}
if(!runicast_is_transmitting(&runicast)) {
static char buffer[100] = "hello";
linkaddr_t recv;
memset(&recv, 0, LINKADDR_SIZE);
packetbuf_copyfrom(buffer, sizeof(buffer));
recv.u8[0] = RX_ADDR1;
recv.u8[1] = RX_ADDR2;
printf("%u.%u: sending runicast to address %u.%u\n",
linkaddr_node_addr.u8[0],
linkaddr_node_addr.u8[1],
recv.u8[0],
recv.u8[1]);
packetbuf_set_attr(PACKETBUF_ATTR_PACKET_ID, ++seqno);
runicast_send(&runicast, &recv, MAX_RETRANSMISSIONS);
}
}
PROCESS_END();
}
PROCESS_THREAD(download_and_execute_process, ev, data)
{
PROCESS_BEGIN();
// turn on blue leds while downloading, then
leds_on(LEDS_BLUE);
PROCESS_WAIT_UNTIL(!runicast_is_transmitting(&runicast) && !downloading);
leds_off(LEDS_BLUE);
printf("Downloaded Code!\n");
printf("originator: %u\n", filenameOriginatorRecv.originator);
printf("filename: %s\n", filename_download);
runReceivedProgram();
PROCESS_END();
}
/**
* subscribe node will assemble the data according to the conditions
*/
void assemble_data(){
uint8_t value = random_rand()%10;
assemble_total+=value;
assemble_count++;
if(value>max){
max = value;
}
if(assemble_count>= local_node.assemble_count){
Runicast_msg runicast_msg;
runicast_msg.native_sen_type = local_node.sen_type;
runicast_msg.seqno = clct_data_seqno;
//runicast_msg.timestamp = CLOCK_SECOND;
if(local_node.condition == MAX){
runicast_msg.value = max;
}else if(local_node.condition == AVERAGE ){
runicast_msg.value = (assemble_total)/(assemble_count);
}
rimeaddr_copy(&runicast_msg.last_hop,&rimeaddr_node_addr);
rimeaddr_copy(&runicast_msg.source,&rimeaddr_node_addr);
//add_to_RU_list(runicast_msg);
if(!runicast_is_transmitting(&runicast)){
printf("[PUBLISH] publish data value->%u seqno %u\n",runicast_msg.value,runicast_msg.seqno);
//single_publish(&runicast,runicast_msg);
printf("[RU] timestamp %d seqno %u last hop address %u.%u\n", runicast_msg.timestamp,runicast_msg.seqno,runicast_msg.last_hop.u8[0],runicast_msg.last_hop.u8[1]);
packetbuf_copyfrom(&runicast_msg, sizeof(Runicast_msg));
runicast_send(&runicast,&find_best_route()->rt_entry.next_hop,MAX_RETRANSMISSIONS);
packetbuf_clear();
}
if(clct_data_seqno>254){
clct_data_seqno = 0;
}
clct_data_seqno++;
assemble_count = 0;
assemble_total = 0.0f;
max = 0.0f;
}
}