Esempio n. 1
0
/* This function creates a set of nodes for testing. These nodes
 * will exist for all tests and are modified by coap_insert_node()
 * and
 */
int t_sendqueue_tests_create(void)
{
    int n, error = 0;
    sendqueue = NULL;
    coap_ticks(&timestamp[0]);

    memset(node, 0, sizeof(node));
    for (n = 1; n < sizeof(node) / sizeof(coap_queue_t *); n++)
    {
        node[n] = coap_new_node();
        if (!node[n])
        {
            error = 1;
            break;
        }

        node[n]->id = n;
        node[n]->t = timestamp[n];
    }

    if (error)
    {
        /* destroy all test nodes and set entry to zero */
        for (n = 0; n < sizeof(node) / sizeof(coap_queue_t *); n++)
        {
            if (node[n])
            {
                coap_delete_node(node[n]);
                node[n] = NULL;
            }
        }
    }

    return error;
}
Esempio n. 2
0
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;
}