C++ (Cpp) das_selective_delete Examples

Example #1

File: xy_sensor.c Project: barriquello/wsnet_ec

/* Periodic exchange of hello packets */
int hello_callback(call_t *c, void *args) {
    struct entitydata *entitydata = get_entity_private_data(c);
    struct nodedata *nodedata = get_node_private_data(c);

    entityid_t *down = get_entity_links_down(c);
    call_t c0 = {down[0], c->node, c->entity};

    destination_t destination = {BROADCAST_ADDR, {-1, -1, -1}};

    packet_t *packet = packet_create(c, nodedata->overhead + sizeof(struct xy_hello_p), -1);
    struct xy_hello_p *hello = (struct xy_hello_p *) (packet->data + nodedata->overhead);
    position_t *pos = get_node_position(c->node);

    /* set mac header */
    if (SET_HEADER(&c0, packet, &destination) == -1) {
        packet_dealloc(packet);
        return -1;
    }
    
    /* set header */
    hello->type       = XY_HELLO_TYPE;
    hello->src        = c->node;
    hello->position.x = pos->x;
    hello->position.y = pos->y;
    hello->position.z = pos->z;

    TX(&c0, packet);	   
    entitydata->TX_hello++;

    /* check neighbors timeout */
    if (nodedata->h_timeout > 0) {
        das_selective_delete(nodedata->neighbors, neighbor_timeout, (void *) c);
    }
    
    /* schedules hello */
    if (nodedata->h_nbr > 0) {
        nodedata->h_nbr --;
    }

    if (nodedata->h_nbr == -1 || nodedata->h_nbr > 0) {
      scheduler_add_callback(get_time() + nodedata->h_period, c, hello_callback, NULL);
    }

    return 0;
}

Example #2

File: greedy.c Project: Farfadait/Energy-saving-in-sensors--networks

int advert_callback(call_t *c, void *args) {
    struct nodedata *nodedata = get_node_private_data(c);
    call_t c0 = {get_entity_bindings_down(c)->elts[0], c->node, c->entity};
    destination_t destination = {BROADCAST_ADDR, {-1, -1, -1}};
    packet_t *packet = packet_create(c, nodedata->overhead + sizeof(struct routing_header), -1);
    struct routing_header *header = (struct routing_header*) (packet->data + nodedata->overhead);
        
    /* set mac header */
    if (SET_HEADER(&c0, packet, &destination) == -1) {
        packet_dealloc(packet);
        return -1;
    }

    /* set routing header */
    header->dst = BROADCAST_ADDR;
    header->dst_pos.x = -1;
    header->dst_pos.y = -1;
    header->dst_pos.z = -1;
    header->src = c->node;
    header->src_pos.x = get_node_position(c->node)->x;
    header->src_pos.y = get_node_position(c->node)->y;
    header->src_pos.z = get_node_position(c->node)->z;
    header->type = HELLO_PACKET;
    header->hop = 1;
    
    /* send hello */
    TX(&c0, packet);
    nodedata->hello_tx++;

    /* check neighbors timeout  */
    das_selective_delete(nodedata->neighbors, neighbor_timeout, (void *) c);

    /* schedules hello */
    scheduler_add_callback(get_time() + nodedata->period, c, advert_callback, NULL);
    return 0;
}