PROCESS_THREAD(rplstats, ev, data)
{
uip_ipaddr_t *addr;
PROCESS_BEGIN();
etimer_set(&et_ping, 5 * CLOCK_SECOND);
while(1) {
uint16_t content_len;
PROCESS_WAIT_EVENT();
if(etimer_expired(&et_ping))
{
dag = rpl_get_any_dag();
if(dag != NULL) {
PRINTF("post!\n\r");
PRINTF("prefix info, len %d\n\r", dag->prefix_info.length);
PRINT6ADDR(&(dag->prefix_info.prefix));
PRINTF("\n\r");
addr = &(dag->prefix_info.prefix);
/* assume 64 bit prefix for now */
sprintf(host, "[%02x%02x:%02x%02x:%02x%02x:%02x%02x::1]",
((u8_t *)addr)[0], ((u8_t *)addr)[1],
((u8_t *)addr)[2], ((u8_t *)addr)[3],
((u8_t *)addr)[4], ((u8_t *)addr)[5],
((u8_t *)addr)[6], ((u8_t *)addr)[7]);
PRINTF("host: %s\n\r", host);
content_len = create_rank_msg(buf);
s = httpd_ws_request(HTTPD_WS_POST, host, NULL, port,
path, ct_json,
content_len, send_buf);
while (s->state != 0) { PROCESS_PAUSE(); }
first = 1;
for (parent = dag->preferred_parent; parent != NULL; parent = parent->next) {
content_len = create_parent_msg(buf, parent, first);
s = httpd_ws_request(HTTPD_WS_POST, host, NULL, port,
path, ct_json,
content_len, send_buf);
while (s->state != 0) { PROCESS_PAUSE(); }
first = 0;
}
}
etimer_set(&et_ping, 5 * CLOCK_SECOND);
}
}
PROCESS_END();
}
void
parents_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
int32_t strpos = 0;
volatile uint8_t i;
rpl_dag_t *dag;
rpl_parent_t *parent;
size_t len = 0;
uint8_t index;
const char *pstr;
uint8_t count;
dag = rpl_get_any_dag();
if(dag != NULL) {
/* count the number of routes and return the total */
count = 0;
parent = nbr_table_head(rpl_parents);
while(parent != NULL) {
parent = nbr_table_next(rpl_parents, parent);
count++;
}
if ((len = REST.get_query_variable(request, "index", &pstr))) {
index = (uint8_t)atoi(pstr);
if (index >= count) {
strpos = snprintf((char *)buffer, preferred_size, "{}");
} else {
/* seek to the route entry and return it */
i = 0;
parent = nbr_table_head(rpl_parents);
while(parent != NULL) {
if (i == index) {
break;
}
parent = nbr_table_next(rpl_parents, parent);
i++;
}
if (parent == dag->preferred_parent) {
strpos = create_parent_msg((char *)buffer, parent, 1);
} else {
strpos = create_parent_msg((char *)buffer, parent, 0);
}
}
REST.set_header_content_type(response, APPLICATION_JSON);
} else { /* index not provided */
strpos += snprintf((char *)buffer, preferred_size, "%d", count);
}
} else { /* no DAG */
strpos += snprintf((char *)buffer, preferred_size, "{\"err\": \"no DAG\"}");
REST.set_header_content_type(response, APPLICATION_JSON);
}
*offset = -1;
REST.set_response_payload(response, buffer, strpos);
}
