/* insert new node as fourth element in queue */
void t_sendqueue4(void)
{
int result;
result = coap_insert_node(&sendqueue, node[4]);
CU_ASSERT(result > 0);
CU_ASSERT_PTR_EQUAL(sendqueue, node[3]);
CU_ASSERT_PTR_NOT_NULL(sendqueue->next);
CU_ASSERT_PTR_EQUAL(sendqueue->next, node[1]);
CU_ASSERT_PTR_NOT_NULL(sendqueue->next->next);
CU_ASSERT_PTR_EQUAL(sendqueue->next->next, node[4]);
CU_ASSERT_PTR_NOT_NULL(sendqueue->next->next->next);
CU_ASSERT_PTR_EQUAL(sendqueue->next->next->next, node[2]);
CU_ASSERT(sendqueue->next->t == timestamp[1] - timestamp[3]);
CU_ASSERT(add_timestamps(sendqueue, 1) == timestamp[3]);
CU_ASSERT(add_timestamps(sendqueue, 2) == timestamp[1]);
CU_ASSERT(add_timestamps(sendqueue, 3) == timestamp[4]);
CU_ASSERT(add_timestamps(sendqueue, 4) == timestamp[2]);
}
void t_sendqueue1(void)
{
int result = coap_insert_node(&sendqueue, node[1]);
CU_ASSERT(result > 0);
CU_ASSERT_PTR_NOT_NULL(sendqueue);
CU_ASSERT_PTR_EQUAL(sendqueue, node[1]);
CU_ASSERT(node[1]->t == timestamp[1]);
}
void t_sendqueue2(void)
{
int result;
result = coap_insert_node(&sendqueue, node[2]);
CU_ASSERT(result > 0);
CU_ASSERT_PTR_EQUAL(sendqueue, node[1]);
CU_ASSERT_PTR_EQUAL(sendqueue->next, node[2]);
CU_ASSERT(sendqueue->t == timestamp[1]);
CU_ASSERT(node[2]->t == timestamp[2] - timestamp[1]);
}
/* insert new node as first element in queue */
void t_sendqueue3(void)
{
int result;
result = coap_insert_node(&sendqueue, node[3]);
CU_ASSERT(result > 0);
CU_ASSERT_PTR_EQUAL(sendqueue, node[3]);
CU_ASSERT(node[3]->t == timestamp[3]);
CU_ASSERT_PTR_NOT_NULL(sendqueue->next);
CU_ASSERT_PTR_NOT_NULL(sendqueue->next->next);
CU_ASSERT(sendqueue->next->t == timestamp[1] - timestamp[3]);
CU_ASSERT(sendqueue->next->next->t == timestamp[2] - timestamp[1]);
}
int
coap_read(coap_context_t *ctx,
struct sockaddr_in6 *src, void *buf,
uint16_t bytes_read, struct ip6_metadata *meta) {
coap_queue_t *node;
coap_opt_t *opt;
if ( bytes_read < 0 ) {
return -1;
}
if ( bytes_read < sizeof(coap_hdr_t) || ((coap_hdr_t *)buf)->version != COAP_DEFAULT_VERSION ) {
#ifndef NDEBUG
//fprintf(stderr, "coap_read: discarded invalid frame\n" );
#endif
return -1;
}
node = coap_new_node();
if ( !node )
return -1;
node->pdu = coap_new_pdu();
if ( !node->pdu ) {
coap_delete_node( node );
return -1;
}
/*printf("** coap: coap_read pointers %p %p, %p %p\n",
&node->remote,
node->remote,
src,
*src,
sizeof(src),
sizeof(*src));*/
memcpy( &node->remote, src, sizeof( *src ) );
/* "parse" received PDU by filling pdu structure */
memcpy( node->pdu->hdr, buf, bytes_read );
node->pdu->length = bytes_read;
/* finally calculate beginning of data block */
options_end( node->pdu, &opt );
if ( (unsigned char *)node->pdu->hdr + node->pdu->length <
(unsigned char *)opt )
node->pdu->data = (unsigned char *)node->pdu->hdr + node->pdu->length;
else
node->pdu->data = (unsigned char *)opt;
/* and add new node to receive queue */
coap_insert_node( &ctx->recvqueue, node, order_transaction_id );
#ifndef NDEBUG
if ( inet_ntop(src.sin6_family, &src.sin6_addr, addr, INET6_ADDRSTRLEN) == 0 ) {
//perror("coap_read: inet_ntop");
} else {
printf( "** received from [%s]:%d:\n ",addr,ntohs(src.sin6_port));
}
coap_show_pdu( node->pdu );
#endif
return 0;
}
