/*---------------------------------------------------------------------------*/
static uint16_t
print_routes(char *msg, int size)
{
uip_ds6_route_t *r = uip_ds6_route_head();
int len = strlen(msg);
while(r != NULL && len < size + 30) {
/* output a route entry */
len += sprint_addr6(&msg[len], &r->ipaddr);
len += snprintf(&msg[len], size, "->");
len += sprint_addr6(&msg[len], uip_ds6_route_nexthop(r));
len += snprintf(&msg[len], size, "\n");
r = uip_ds6_route_next(r);
}
return len;
}
/*---------------------------------------------------------------------------*/
static void res_rpl_parent_get_handler(void *request, void *response,
uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
uint16_t length;
rpl_instance_t *instance;
char message[REST_MAX_CHUNK_SIZE];
memset(message, 0, REST_MAX_CHUNK_SIZE);
instance = rpl_get_instance(RPL_DEFAULT_INSTANCE);
/* Print the parent */
if(instance != NULL &&
instance->current_dag != NULL &&
instance->current_dag->preferred_parent != NULL) {
sprintf(&message[0], "RPL Parent: ");
sprint_addr6(&message[0],
rpl_get_parent_ipaddr(instance->current_dag->preferred_parent));
} else {
sprintf(&message[0], "No parent yet\n");
}
length = strlen(&message[0]);
memcpy(buffer, message, length);
REST.set_header_content_type(response, REST.type.TEXT_PLAIN);
REST.set_header_etag(response, (uint8_t *)&length, 1);
REST.set_response_payload(response, buffer, length);
}
/*---------------------------------------------------------------------------*/
static uint16_t
print_prefixes(char *msg)
{
sprint_time(msg, uptime_min);
int i;
for (i=0; i<UIP_DS6_PREFIX_NB; i++) {
uip_ds6_prefix_t *prefix = &uip_ds6_prefix_list[i];
if (prefix->isused) {
sprintf(msg+strlen(msg), "Addr: ");
sprint_addr6(msg, &prefix->ipaddr);
#if UIP_MULTI_IFACES
uint8_t if_type = prefix->iface == NULL ? 0 : prefix->iface->ll_type;
sprintf(msg+strlen(msg), " Len: %u, IF: %u\n", prefix->length, if_type);
#else
sprintf(msg+strlen(msg), "\n");
#endif
}
}
return strlen(msg);
}
/*---------------------------------------------------------------------------*/
static void
res_rpl_info_get_handler(void *request, void *response, uint8_t *buffer,
uint16_t preferred_size, int32_t *offset)
{
/*Return RPL information in JSON format */
uint16_t length = 0;
rpl_instance_t *instance;
uip_ds6_nbr_t *nbr;
char message[REST_MAX_CHUNK_SIZE];
memset(message, 0, sizeof(message));
instance = rpl_get_instance(RPL_DEFAULT_INSTANCE);
if(instance != NULL &&
instance->current_dag != NULL &&
instance->current_dag->preferred_parent != NULL) {
nbr = rpl_get_nbr(instance->current_dag->preferred_parent);
} else {
nbr = NULL;
}
/* Write all RPL info in JSON format */
snprintf(message, sizeof(message) - 1, "{\"parent\":\"");
length = strlen(message);
if(instance != NULL &&
instance->current_dag != NULL &&
instance->current_dag->preferred_parent != NULL) {
sprint_addr6(&message[length],
rpl_get_parent_ipaddr(instance->current_dag->preferred_parent));
length = strlen(message);
snprintf(&message[length], sizeof(message) - length - 1, "\"");
} else {
snprintf(&message[length], sizeof(message) - length - 1, "None\"");
}
length = strlen(message);
snprintf(&message[length], sizeof(message) - length - 1, " ,\"rank\":\"");
length = strlen(message);
if(instance != NULL && instance->current_dag != NULL) {
snprintf(&message[length], sizeof(message) - length - 1, "%u.%02u\"",
(instance->current_dag->rank / RPL_DAG_MC_ETX_DIVISOR),
(100 * (instance->current_dag->rank % RPL_DAG_MC_ETX_DIVISOR)) / RPL_DAG_MC_ETX_DIVISOR);
} else {
snprintf(&message[length], sizeof(message) - length - 1, "inf\"");
}
length = strlen(message);
snprintf(&message[length], sizeof(message) - length - 1, " ,\"link-metric\":\"");
length = strlen(message);
if(nbr != NULL) {
snprintf(&message[length], sizeof(message) - length - 1, "%u.%02u\"",
nbr->link_metric / RPL_DAG_MC_ETX_DIVISOR,
(100 * (nbr->link_metric % RPL_DAG_MC_ETX_DIVISOR)) / RPL_DAG_MC_ETX_DIVISOR);
} else {
snprintf(&message[length], sizeof(message) - length - 1, "inf\"");
}
length = strlen(message);
snprintf(&message[length], sizeof(message) - length - 1, "}");
length = strlen(message);
memcpy(buffer, message, length);
REST.set_header_content_type(response, REST.type.APPLICATION_JSON);
REST.set_header_etag(response, (uint8_t *)&length, 1);
REST.set_response_payload(response, buffer, length);
}