C++ (Cpp) buf_u32_get示例

示例#1

文件： of_type_maps.c 项目： InterfaceMasters/of-dpa

static void
extension_action_id_object_id_get(of_object_t *obj, of_object_id_t *id)
{
    uint32_t exp_id;
    uint8_t *buf;

    *id = OF_ACTION_ID_EXPERIMENTER;

    buf = OF_OBJECT_BUFFER_INDEX(obj, 0);
    
    buf_u32_get(buf + OF_ACTION_EXPERIMENTER_ID_OFFSET, &exp_id);

    switch (exp_id) {
    case OF_EXPERIMENTER_ID_BSN: {
        uint32_t subtype;
        buf_u32_get(buf + OF_ACTION_EXPERIMENTER_SUBTYPE_OFFSET, &subtype);
        switch (subtype) {
        case 1: *id = OF_ACTION_ID_BSN_MIRROR; break;
        case 2: *id = OF_ACTION_ID_BSN_SET_TUNNEL_DST; break;
        }
        break;
    }
    case OF_EXPERIMENTER_ID_NICIRA: {
        uint16_t subtype;
        buf_u16_get(buf + OF_ACTION_EXPERIMENTER_SUBTYPE_OFFSET, &subtype);
        switch (subtype) {
        case 18: *id = OF_ACTION_ID_NICIRA_DEC_TTL; break;
        }
        break;
    }
    }
}

示例#2

文件： of_type_maps.c 项目： Taejun/loxigen

static int
extension_instruction_object_id_get(of_object_t *obj, of_object_id_t *id)
{
    uint32_t exp_id;
    uint8_t *buf;

    *id = OF_INSTRUCTION_EXPERIMENTER;

    buf = OF_OBJECT_BUFFER_INDEX(obj, 0);

    buf_u32_get(buf + OF_INSTRUCTION_EXPERIMENTER_ID_OFFSET, &exp_id);

    switch (exp_id) {
    case OF_EXPERIMENTER_ID_BSN: {
        uint32_t subtype;
        buf_u32_get(buf + OF_INSTRUCTION_EXPERIMENTER_SUBTYPE_OFFSET, &subtype);
        switch (subtype) {
        case 0: *id = OF_INSTRUCTION_BSN_DISABLE_SRC_MAC_CHECK; break;
        case 1: *id = OF_INSTRUCTION_BSN_ARP_OFFLOAD; break;
        }
        break;
    }
    }

    return OF_ERROR_NONE;
}