/*develop the handler*/
void
routes_handler(void *request, void *response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
int32_t strpos = 0;
uip_ds6_route_t *r;
volatile uint8_t i;
size_t len = 0;
uint8_t index; //>>>>>>>>>>>>>>>>>>index used while experimenting eg. : GET rplinfo/routes?index=1
const char *pstr;
uint8_t count;
/*Count the number of the routes and return them*/
count=uip_ds6_route_num_routes();
if((len = REST.get_query_variable(request, "index", &pstr))) // Parse for the index variable and compare value
{
index=(uint8_t)atoi(pstr);
if(index >= count)
{
strpos = snprintf((char *)buffer,preferred_size, "{}");
/*
if index is greater or same as count value return empty brackets
*/
}else
{
/*seek route entry and return it*/
i = 0;
for(r = uip_ds6_route_head(); r != NULL; r = uip_ds6_route_next(r), i++)
{
if (i == index)
{
break;
}
}
strpos = create_route_msg((char *)buffer, r);
}
REST.set_header_content_type(response, REST.type.APPLICATION_JSON); // Header will be in JSON format...
}else
{
// index not provided
strpos += snprintf((char *)buffer, preferred_size, "%d", count);
}
//*offset = -1;
REST.set_response_payload(response, (char *)buffer, strpos); // Setting the payload of response.
}
void
routes_handler(void* request, void* response, uint8_t *buffer, uint16_t preferred_size, int32_t *offset)
{
int32_t strpos = 0;
uip_ds6_route_t *r;
volatile uint8_t i;
size_t len = 0;
uint8_t index;
const char *pstr;
uint8_t count;
/* count the number of routes and return the total */
count = uip_ds6_route_num_routes();
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;
for(r = uip_ds6_route_head(); r != NULL; r = uip_ds6_route_next(r), i++) {
if (i == index) {
break;
}
}
strpos = create_route_msg((char *)buffer, r);
}
REST.set_header_content_type(response, APPLICATION_JSON);
} else { /* index not provided */
strpos += snprintf((char *)buffer, preferred_size, "%d", count);
}
*offset = -1;
REST.set_response_payload(response, (char *)buffer, strpos);
}