static smcp_status_t
delete_response_handler(
int statuscode,
void* context
) {
if (statuscode >= 0) {
char* content = (char*)smcp_inbound_get_content_ptr();
coap_size_t content_length = smcp_inbound_get_content_len();
if(content_length>(smcp_inbound_get_packet_length()-4)) {
fprintf(stderr, "INTERNAL ERROR: CONTENT_LENGTH LARGER THAN PACKET_LENGTH-4! (content_length=%u, packet_length=%u)\n",content_length,smcp_inbound_get_packet_length());
gRet = ERRORCODE_UNKNOWN;
goto bail;
}
if (delete_show_headers) {
coap_dump_header(
stdout,
NULL,
smcp_inbound_get_packet(),
smcp_inbound_get_packet_length()
);
}
if(!coap_verify_packet((void*)smcp_inbound_get_packet(), smcp_inbound_get_packet_length())) {
fprintf(stderr, "INTERNAL ERROR: CALLBACK GIVEN INVALID PACKET!\n");
gRet = ERRORCODE_UNKNOWN;
goto bail;
}
if (statuscode != COAP_RESULT_202_DELETED) {
fprintf(stderr, "delete: Result code = %d (%s)\n", statuscode,
(statuscode < 0) ? smcp_status_to_cstr(
statuscode) : coap_code_to_cstr(statuscode));
}
if(content && content_length) {
char contentBuffer[500];
content_length =
((content_length > sizeof(contentBuffer) -
2) ? sizeof(contentBuffer) - 2 : content_length);
memcpy(contentBuffer, content, content_length);
contentBuffer[content_length] = 0;
if(content_length && (contentBuffer[content_length - 1] == '\n'))
contentBuffer[--content_length] = 0;
printf("%s\n", contentBuffer);
}
}
bail:
if (gRet == ERRORCODE_INPROGRESS) {
gRet = 0;
}
return SMCP_STATUS_OK;
}
smcp_status_t
smcp_outbound_send() {
smcp_status_t ret = SMCP_STATUS_FAILURE;
smcp_t const self = smcp_get_current_instance();
coap_size_t header_len = (coap_size_t)(smcp_outbound_get_content_ptr(NULL)-(char*)self->outbound.packet);
// Remove the start-of-payload marker if we have no payload.
if (!smcp_get_current_instance()->outbound.content_len) {
header_len--;
}
#if DEBUG
{
DEBUG_PRINTF("Outbound packet size: %d, %d remaining",header_len+smcp_get_current_instance()->outbound.content_len, smcp_outbound_get_space_remaining());
assert(header_len+smcp_get_current_instance()->outbound.content_len<=self->outbound.max_packet_len);
assert(coap_verify_packet((char*)self->outbound.packet,header_len+smcp_get_current_instance()->outbound.content_len));
}
#endif // DEBUG
if (self->current_transaction) {
self->current_transaction->sent_code = self->outbound.packet->code;
self->current_transaction->sockaddr_remote = *smcp_plat_get_remote_sockaddr();
self->current_transaction->multicast = SMCP_IS_ADDR_MULTICAST(&self->current_transaction->sockaddr_remote.smcp_addr);
}
#if defined(SMCP_DEBUG_OUTBOUND_DROP_PERCENT)
if(SMCP_DEBUG_OUTBOUND_DROP_PERCENT*SMCP_RANDOM_MAX>SMCP_FUNC_RANDOM_UINT32()) {
DEBUG_PRINTF("Dropping outbound packet for debugging!");
if(smcp_get_current_instance()->is_responding)
smcp_get_current_instance()->did_respond = true;
smcp_get_current_instance()->is_responding = false;
ret = SMCP_STATUS_OK;
goto bail;
}
#endif
if ((self->outbound.packet->tt == COAP_TRANS_TYPE_ACK)
&& smcp_session_type_is_reliable(smcp_plat_get_session_type())
) {
// If the session type is reliable, we don't bother
// sending acks.
} else {
ret = smcp_plat_outbound_finish(
self,
(const uint8_t*)self->outbound.packet,
header_len + self->outbound.content_len,
0 // FLAGS
);
}
require(ret == SMCP_STATUS_OK, bail);
if (self->is_responding) {
self->did_respond = true;
}
self->is_responding = false;
ret = SMCP_STATUS_OK;
bail:
return ret;
}
static smcp_status_t
get_response_handler(int statuscode, void* context) {
ThingMLCOAPContext * thingml_context = (ThingMLCOAPContext *) context;
const char* content = (const char*)smcp_inbound_get_content_ptr();
coap_size_t content_length = smcp_inbound_get_content_len();
if(statuscode>=0) {
if(content_length>(smcp_inbound_get_packet_length()-4)) {
fprintf(stderr, "INTERNAL ERROR: CONTENT_LENGTH LARGER THAN PACKET_LENGTH-4! (content_length=%u, packet_length=%u)\n",content_length,smcp_inbound_get_packet_length());
gRet = ERRORCODE_UNKNOWN;
thingml_context->fn_onerror_callback(thingml_context->thing_instance, gRet);
goto bail;
}
if((statuscode >= 0) && get_show_headers) {
if(next_len != ((coap_size_t)(-1)))
fprintf(stdout, "\n\n");
coap_dump_header(
stdout,
NULL,
smcp_inbound_get_packet(),
smcp_inbound_get_packet_length()
);
}
if(!coap_verify_packet((void*)smcp_inbound_get_packet(), smcp_inbound_get_packet_length())) {
fprintf(stderr, "INTERNAL ERROR: CALLBACK GIVEN INVALID PACKET!\n");
gRet = ERRORCODE_UNKNOWN;
thingml_context->fn_onerror_callback(thingml_context->thing_instance, gRet);
goto bail;
}
}
if(statuscode == SMCP_STATUS_TRANSACTION_INVALIDATED) {
gRet = 0;
}
if(observe_ignore_first) {
observe_ignore_first = false;
goto bail;
}
if( ((statuscode < COAP_RESULT_200) ||(statuscode >= COAP_RESULT_400))
&& (statuscode != SMCP_STATUS_TRANSACTION_INVALIDATED)
&& (statuscode != HTTP_TO_COAP_CODE(HTTP_RESULT_CODE_PARTIAL_CONTENT))
) {
if(get_observe && statuscode == SMCP_STATUS_TIMEOUT) {
gRet = 0;
} else {
gRet = (statuscode == SMCP_STATUS_TIMEOUT)?ERRORCODE_TIMEOUT:ERRORCODE_COAP_ERROR;
fprintf(stderr, "get: Result code = %d (%s)\n", statuscode,
(statuscode < 0) ? smcp_status_to_cstr(
statuscode) : coap_code_to_cstr(statuscode));
thingml_context->fn_onerror_callback(thingml_context->thing_instance, gRet);
}
}
if((statuscode>0) && content && content_length) {
coap_option_key_t key;
const uint8_t* value;
coap_size_t value_len;
bool last_block = true;
int32_t observe_value = -1;
while((key=smcp_inbound_next_option(&value, &value_len))!=COAP_OPTION_INVALID) {
if(key == COAP_OPTION_BLOCK2) {
last_block = !(value[value_len-1]&(1<<3));
} else if(key == COAP_OPTION_OBSERVE) {
if(value_len)
observe_value = value[0];
else observe_value = 0;
}
}
thingml_context->fn_onmsgrcv_callback(thingml_context->thing_instance, content, content_length);
last_observe_value = observe_value;
}
if(observe_once) {
gRet = 0;
goto bail;
}
bail:
return SMCP_STATUS_OK;
}