/*---------------------------------------------------------------------------*/
void
collect_view_construct_message(struct collect_view_data_msg *msg,
const linkaddr_t *parent,
uint16_t parent_etx,
uint16_t current_rtmetric,
uint16_t num_neighbors,
uint16_t beacon_interval)
{
static unsigned long last_cpu, last_lpm, last_transmit, last_listen;
unsigned long cpu, lpm, transmit, listen;
msg->len = sizeof(struct collect_view_data_msg) / sizeof(uint16_t);
msg->clock = clock_time();
#if TIMESYNCH_CONF_ENABLED
msg->timesynch_time = timesynch_time();
#else /* TIMESYNCH_CONF_ENABLED */
msg->timesynch_time = 0;
#endif /* TIMESYNCH_CONF_ENABLED */
energest_flush();
cpu = energest_type_time(ENERGEST_TYPE_CPU) - last_cpu;
lpm = energest_type_time(ENERGEST_TYPE_LPM) - last_lpm;
transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT) - last_transmit;
listen = energest_type_time(ENERGEST_TYPE_LISTEN) - last_listen;
/* Make sure that the values are within 16 bits. If they are larger,
we scale them down to fit into 16 bits. */
while(cpu >= 65536ul || lpm >= 65536ul ||
transmit >= 65536ul || listen >= 65536ul) {
cpu /= 2;
lpm /= 2;
transmit /= 2;
listen /= 2;
}
msg->cpu = cpu;
msg->lpm = lpm;
msg->transmit = transmit;
msg->listen = listen;
last_cpu = energest_type_time(ENERGEST_TYPE_CPU);
last_lpm = energest_type_time(ENERGEST_TYPE_LPM);
last_transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
last_listen = energest_type_time(ENERGEST_TYPE_LISTEN);
memcpy(&msg->parent, &parent->u8[LINKADDR_SIZE - 2], 2);
msg->parent_etx = parent_etx;
msg->current_rtmetric = current_rtmetric;
msg->num_neighbors = num_neighbors;
msg->beacon_interval = beacon_interval;
memset(msg->sensors, 0, sizeof(msg->sensors));
collect_view_arch_read_sensors(msg);
}
/*
* this function produce a string @buf in form of json data
* example of buf:
*
* {'clk':%d,'syn':%d,'cpu':%d,'lpm':%d,'tras':%d,'lst':%d,
* 'parent':%s,'etx':%d,'rt':%d,\'nbr':%d,'bea_itv':%d,'sen':%d}
*
*/
void collectd_prepare_data()
{
uint16_t parent_etx;
uint16_t rtmetric;
uint16_t num_neighbors;
uint16_t beacon_interval;
rpl_parent_t *preferred_parent;
uip_lladdr_t lladdr_parent;
rpl_dag_t *dag;
//copied from collect-view.c
static unsigned long last_cpu, last_lpm, last_transmit, last_listen;
unsigned long cpu, lpm, transmit, listen;
u16_t clock, timesynch_time;
clock = clock_time();
#if TIMESYNCH_CONF_ENABLED
timesynch_time = timesynch_time();
#else /* TIMESYNCH_CONF_ENABLED */
timesynch_time = 0;
#endif /* TIMESYNCH_CONF_ENABLED */
/*save to buf */
blen = 0;
ADD("{'clk':%u,'syn':%u,", clock, timesynch_time);
energest_flush();
cpu = energest_type_time(ENERGEST_TYPE_CPU) - last_cpu;
lpm = energest_type_time(ENERGEST_TYPE_LPM) - last_lpm;
transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT) - last_transmit;
listen = energest_type_time(ENERGEST_TYPE_LISTEN) - last_listen;
/* Make sure that the values are within 16 bits. If they are larger,
we scale them down to fit into 16 bits. */
//TODO: why do i need to scale down to 16 bit?
while(cpu >= 65536ul || lpm >= 65536ul ||
transmit >= 65536ul || listen >= 65536ul) {
cpu /= 2;
lpm /= 2;
transmit /= 2;
listen /= 2;
}
/* prepare for next calling */
last_cpu = energest_type_time(ENERGEST_TYPE_CPU);
last_lpm = energest_type_time(ENERGEST_TYPE_LPM);
last_transmit = energest_type_time(ENERGEST_TYPE_TRANSMIT);
last_listen = energest_type_time(ENERGEST_TYPE_LISTEN);
/* save to buf */
ADD("'cpu':%u,'lpm':%u,'tras':%u,'lst':%u,",
(u16_t)cpu, (u16_t)lpm,
(u16_t)transmit, (u16_t)listen);
/* initial value, if there's not any dag */
parent_etx = 0;
rtmetric = 0;
beacon_interval = 0;
num_neighbors = 0;
/* Let's suppose we have only one instance */
dag = rpl_get_any_dag();
if(dag != NULL) {
preferred_parent = dag->preferred_parent;
if(preferred_parent != NULL) {
uip_ds6_nbr_t *nbr;
nbr = uip_ds6_nbr_lookup(&preferred_parent->addr);
if(nbr != NULL) {
//PRINT6ADDR(&nbr->lladdr);
memcpy(&lladdr_parent, &nbr->lladdr, sizeof(uip_lladdr_t));
parent_etx = neighbor_info_get_metric((rimeaddr_t *) &nbr->lladdr) / 2;
}
}
rtmetric = dag->rank;
beacon_interval = (uint16_t) ((2L << dag->instance->dio_intcurrent) / 1000);
num_neighbors = RPL_PARENT_COUNT(dag);
}
char lladdr_parent_str[30];
u8_t lladdr_str_len;
lladdr_str_len = lladdr_print(&lladdr_parent, lladdr_parent_str, 30);
ADD("'parent':'%s',", lladdr_parent_str);
ADD("'etx':%u,'rt':%u,'nbr':%u,'bea_itv':%u,",
parent_etx, rtmetric, num_neighbors,
beacon_interval);
//collectd_arch_read_sensors();
#if CONTIKI_TARGET_SKY
u8_t sensors[MAX_SENSORS_BUF_SIZE];
//PRINTF("oh,sky\n");
if (collect_view_arch_read_sensors(sensors, MAX_SENSORS_BUF_SIZE) >= 0) {
ADD("'sen':'%s',", sensors);
}
#endif
ADD("}");
}
