smcp_status_t
smcp_observable_trigger(smcp_observable_t context, uint8_t key, uint8_t flags)
{
smcp_status_t ret = SMCP_STATUS_OK;
int8_t i;
#if SMCP_EMBEDDED
smcp_t const interface = smcp_get_current_instance();
#else
smcp_t const interface = context->interface;
if(!interface)
goto bail;
#endif
if(!context->first_observer)
goto bail;
for(i = context->first_observer-1; i >= 0; i = observer_table[i].next - 1) {
if( (observer_table[i].key != SMCP_OBSERVABLE_BROADCAST_KEY)
&& (key != SMCP_OBSERVABLE_BROADCAST_KEY)
&& (observer_table[i].key != key)
) {
continue;
}
observer_table[i].seq++;
if(observer_table[i].transaction.active) {
smcp_transaction_tickle(interface, &observer_table[i].transaction);
} else {
smcp_transaction_init(
&observer_table[i].transaction,
0, // Flags
(void*)&retry_sending_event,
(void*)&event_response_handler,
(void*)&observer_table[i]
);
ret = smcp_transaction_begin(
interface,
&observer_table[i].transaction,
SHOULD_CONFIRM_EVENT_FOR_OBSERVER(&observer_table[i])?SMCP_OBSERVER_CON_EVENT_EXPIRATION:SMCP_OBSERVER_NON_EVENT_EXPIRATION
);
}
}
bail:
return ret;
}
static smcp_status_t
response_test_handler(int statuscode, void* context) {
test_data_s * const test_data = context;
smcp_t interface = smcp_get_current_instance();
bool has_observe_option = false;
smcp_status_t status = 0;
if(!test_data->finished) {
if (statuscode < 0) {
test_data->finished = true;
if (statuscode != SMCP_STATUS_TRANSACTION_INVALIDATED) {
test_data->error = statuscode;
}
} else {
const uint8_t* value;
coap_size_t value_len;
coap_option_key_t key;
test_data->msg_id = smcp_inbound_get_packet()->msg_id;
if (smcp_inbound_is_dupe()) {
test_data->inbound_dupe_packets++;
} else {
test_data->inbound_packets++;
}
while ((key=smcp_inbound_next_option(&value, &value_len))!=COAP_OPTION_INVALID) {
if (key == COAP_OPTION_BLOCK1) {
test_data->block1_option = 0;
test_data->has_block1_option = 1;
test_data->block1_option = coap_decode_uint32(value,(uint8_t)value_len);
if ( statuscode == COAP_RESULT_231_CONTINUE) {
smcp_transaction_new_msg_id(interface, test_data->transaction, smcp_get_next_msg_id(interface));
smcp_transaction_tickle(interface, test_data->transaction);
}
}
if (key == COAP_OPTION_BLOCK2) {
test_data->block2_option = 0;
test_data->has_block2_option = 1;
test_data->block2_option = coap_decode_uint32(value,(uint8_t)value_len);
if (!(test_data->block2_option & (1<<3))) {
test_data->finished = true;
}
}
if (key == COAP_OPTION_OBSERVE) {
if (test_data->inbound_packets > 2) {
test_data->finished = true;
}
has_observe_option = true;
printf("\tobs-response: \"%s\"\n", smcp_inbound_get_content_ptr());
}
}
if ( !has_observe_option
&& !test_data->has_block2_option
&& statuscode != COAP_RESULT_231_CONTINUE
) {
test_data->finished = true;
}
test_data->inbound_content_len += smcp_inbound_get_content_len();
test_data->inbound_code = (coap_code_t)statuscode;
if (test_data->has_block2_option) {
strncat(test_data->response, smcp_inbound_get_content_ptr(), smcp_inbound_get_content_len());
} else {
strncpy(test_data->response, smcp_inbound_get_content_ptr(), smcp_inbound_get_content_len());
}
}
}
return status;
}
