tango-tsg-service-chaining-engine/platform/src/global_metrics.cpp

#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include <MESA/MESA_prof_load.h>

#include "log.h"
#include "global_metrics.h"

enum SCE_STAT_FIELD
{
    // device_metrics
    STAT_DEVICE_NF_RX_PKT,
    STAT_DEVICE_NF_RX_B,

    STAT_DEVICE_NF_TX_PKT,
    STAT_DEVICE_NF_TX_B,

    STAT_DEVICE_ENDPOINT_RX_PKT,
    STAT_DEVICE_ENDPOINT_RX_B,

    STAT_DEVICE_ENDPOINT_TX_PKT,
    STAT_DEVICE_ENDPOINT_TX_B,

    // keepalived_pkt_metrics
    STAT_KEE_PKT_DOWN_RX_PKT,
    STAT_KEE_PKT_DOWN_RX_B,

    STAT_KEE_PKT_DOWN_TX_PKT,
    STAT_KEE_PKT_DOWN_TX_B,

    STAT_KEE_PKT_UP_RX_PKT,
    STAT_KEE_PKT_UP_RX_B,

    STAT_KEE_PKT_UP_TX_DROP_PKT,
    STAT_KEE_PKT_UP_TX_DROP_B,

    // raw_pkt_metrics
    STAT_RAW_PKT_MIRR_BYPASS_PKT,
    STAT_RAW_PKT_MIRR_BYPASS_B,

    STAT_RAW_PKT_MIRR_BLOCK_PKT,
    STAT_RAW_PKT_MIRR_BLOCK_B,

    STAT_RAW_PKT_MIRR_RX_DROP_PKT,
    STAT_RAW_PKT_MIRR_RX_DROP_B,

    STAT_RAW_PKT_MIRR_TX_PKT,
    STAT_RAW_PKT_MIRR_TX_B,

    STAT_RAW_PKT_STEE_BYPASS_PKT,
    STAT_RAW_PKT_STEE_BYPASS_B,

    STAT_RAW_PKT_STEE_BLOCK_PKT,
    STAT_RAW_PKT_STEE_BLOCK_B,

    STAT_RAW_PKT_STEE_RX_PKT,
    STAT_RAW_PKT_STEE_RX_B,

    STAT_RAW_PKT_STEE_TX_PKT,
    STAT_RAW_PKT_STEE_TX_B,

    STAT_RAW_PKT_MISS_SESS_PKT,
    STAT_RAW_PKT_MISS_SESS_B,

    STAT_RAW_PKT_ERROR_BYPASS_PKT,
    STAT_RAW_PKT_ERROR_BYPASS_B,

    STAT_RAW_PKT_ERROR_BLOCK_PKT,
    STAT_RAW_PKT_ERROR_BLOCK_B,

    STAT_DEVICE_ENDPOINT_DROP_PKT,
    STAT_DEVICE_ENDPOINT_DROP_B,

    // ctrl_pkt_metrics
    STAT_CTRL_PKT_RX_PKT,
    STAT_CTRL_PKT_RX_B,

    STAT_CTRL_PKT_TX_PKT,
    STAT_CTRL_PKT_TX_B,

    STAT_CTRL_PKT_OPENING,
    STAT_CTRL_PKT_ACTIVE,
    STAT_CTRL_PKT_CLOSING,
    STAT_CTRL_PKT_RESETALL,
    STAT_CTRL_PKT_ERROR,

    // sf_session_metrics
    STAT_SF_SESSION_NUM,
    STAT_SF_SESSION_LOG,

    // sf_status_metrics
    STAT_SF_STATUS_ACTIVE,
    STAT_SF_STATUS_INACTIVE,

    // max
    STAT_MAX,
};

static const char *stat_map[] =
    {
        // device_metrics
        [STAT_DEVICE_NF_RX_PKT] = "nf_rx_pkt",
        [STAT_DEVICE_NF_RX_B] = "nf_rx_B",

        [STAT_DEVICE_NF_TX_PKT] = "nf_tx_pkt",
        [STAT_DEVICE_NF_TX_B] = "nf_tx_B",

        [STAT_DEVICE_ENDPOINT_RX_PKT] = "endp_rx_pkt",
        [STAT_DEVICE_ENDPOINT_RX_B] = "endp_rx_B",

        [STAT_DEVICE_ENDPOINT_TX_PKT] = "endp_tx_pkt",
        [STAT_DEVICE_ENDPOINT_TX_B] = "endp_tx_B",

        // keepalived_pkt_metrics
        [STAT_KEE_PKT_DOWN_RX_PKT] = "kee_d_rx_pkt",
        [STAT_KEE_PKT_DOWN_RX_B] = "kee_d_rx_B",

        [STAT_KEE_PKT_DOWN_TX_PKT] = "kee_d_tx_pkt",
        [STAT_KEE_PKT_DOWN_TX_B] = "kee_d_tx_B",

        [STAT_KEE_PKT_UP_RX_PKT] = "kee_u_rx_pkt",
        [STAT_KEE_PKT_UP_RX_B] = "kee_u_rx_B",

        [STAT_KEE_PKT_UP_TX_DROP_PKT] = "kee_u_rxdop_pkt",
        [STAT_KEE_PKT_UP_TX_DROP_B] = "kee_u_rxdop_B",

        // raw_pkt_metrics
        [STAT_RAW_PKT_MIRR_BYPASS_PKT] = "mirr_bypass_pkt",
        [STAT_RAW_PKT_MIRR_BYPASS_B] = "mirr_bypass_B",

        [STAT_RAW_PKT_MIRR_BLOCK_PKT] = "mirr_block_pkt",
        [STAT_RAW_PKT_MIRR_BLOCK_B] = "mirr_block_B",

        [STAT_RAW_PKT_MIRR_RX_DROP_PKT] = "mirr_rxdop_pkt",
        [STAT_RAW_PKT_MIRR_RX_DROP_B] = "mirr_rxdop_B",

        [STAT_RAW_PKT_MIRR_TX_PKT] = "mirro_tx_pkt",
        [STAT_RAW_PKT_MIRR_TX_B] = "mirro_tx_B",

        [STAT_RAW_PKT_STEE_BYPASS_PKT] = "stee_bypass_pkt",
        [STAT_RAW_PKT_STEE_BYPASS_B] = "stee_bypass_B",

        [STAT_RAW_PKT_STEE_BLOCK_PKT] = "stee_block_pkt",
        [STAT_RAW_PKT_STEE_BLOCK_B] = "stee_block_B",

        [STAT_RAW_PKT_STEE_RX_PKT] = "stee_rx_pkt",
        [STAT_RAW_PKT_STEE_RX_B] = "stee_rx_B",

        [STAT_RAW_PKT_STEE_TX_PKT] = "stee_tx_pkt",
        [STAT_RAW_PKT_STEE_TX_B] = "stee_tx_B",

        [STAT_RAW_PKT_MISS_SESS_PKT] = "miss_sess_pkt",
        [STAT_RAW_PKT_MISS_SESS_B] = "miss_sess_B",

        [STAT_RAW_PKT_ERROR_BYPASS_PKT] = "err_bypass_pkt",
        [STAT_RAW_PKT_ERROR_BYPASS_B] = "err_bypass_B",

        [STAT_RAW_PKT_ERROR_BLOCK_PKT] = "err_block_pkt",
        [STAT_RAW_PKT_ERROR_BLOCK_B] = "err_block_B",

        [STAT_DEVICE_ENDPOINT_DROP_PKT] = "endp_drop_pkt",
        [STAT_DEVICE_ENDPOINT_DROP_B] = "endp_drop_B",

        // ctrl_pkt_metrics
        [STAT_CTRL_PKT_RX_PKT] = "ctrl_rx_pkt",
        [STAT_CTRL_PKT_RX_B] = "ctrl_rx_B",

        [STAT_CTRL_PKT_TX_PKT] = "ctrl_tx_pkt",
        [STAT_CTRL_PKT_TX_B] = "ctrl_tx_B",

        [STAT_CTRL_PKT_OPENING] = "ctrl_opening",
        [STAT_CTRL_PKT_ACTIVE] = "ctrl_active",
        [STAT_CTRL_PKT_CLOSING] = "ctrl_closing",
        [STAT_CTRL_PKT_RESETALL] = "ctrl_resetall",
        [STAT_CTRL_PKT_ERROR] = "ctrl_error",

        // sf_session_metrics
        [STAT_SF_SESSION_NUM] = "session_num",
        [STAT_SF_SESSION_LOG] = "session_logs",

        // sf_status_metrics
        [STAT_SF_STATUS_ACTIVE] = "sf_active",
        [STAT_SF_STATUS_INACTIVE] = "sf_inactive",

        [STAT_MAX] = NULL};

static void global_metrics_parse_config(const char *profile, struct metrics_config *config)
{
    MESA_load_profile_string_def(profile, "STAT", "output_file", config->output_file, sizeof(config->output_file), "log/sce.fs2");
    MESA_load_profile_string_def(profile, "STAT", "statsd_server", config->statsd_server, sizeof(config->statsd_server), "127.0.0.1");
    MESA_load_profile_int_def(profile, "STAT", "statsd_port", &(config->statsd_port), 8100);
    MESA_load_profile_int_def(profile, "STAT", "statsd_format", &(config->statsd_format), 1); // FS_OUTPUT_STATSD=1, FS_OUTPUT_INFLUX_LINE=2
    MESA_load_profile_int_def(profile, "STAT", "statsd_cycle", &(config->statsd_cycle), 1);

    MESA_load_profile_int_def(profile, "STAT", "prometheus_listen_port", &(config->prometheus_listen_port), 9001);
    MESA_load_profile_string_def(profile, "STAT", "prometheus_listen_url", config->prometheus_listen_url, sizeof(config->prometheus_listen_url), "/sce_prometheus");

    if (config->statsd_format != 1 && config->statsd_format != 2)
    {
        config->statsd_format = 1;
    }

    LOG_DEBUG("%s: STAT->output_file            : %s", LOG_TAG_METRICS, config->output_file);
    LOG_DEBUG("%s: STAT->statsd_server          : %s", LOG_TAG_METRICS, config->statsd_server);
    LOG_DEBUG("%s: STAT->statsd_port            : %d", LOG_TAG_METRICS, config->statsd_port);
    LOG_DEBUG("%s: STAT->statsd_format          : %d", LOG_TAG_METRICS, config->statsd_format);
    LOG_DEBUG("%s: STAT->statsd_cycle           : %d", LOG_TAG_METRICS, config->statsd_cycle);
    LOG_DEBUG("%s: STAT->prometheus_listen_port : %d", LOG_TAG_METRICS, config->prometheus_listen_port);
    LOG_DEBUG("%s: STAT->prometheus_listen_url  : %s", LOG_TAG_METRICS, config->prometheus_listen_url);
}

struct global_metrics *global_metrics_create(const char *profile)
{
    struct global_metrics *metrics = (struct global_metrics *)calloc(1, sizeof(struct global_metrics));
    assert(metrics != NULL);

    global_metrics_parse_config(profile, &metrics->config);

    FS_library_set_prometheus_port(metrics->config.prometheus_listen_port);
    FS_library_set_prometheus_url_path(metrics->config.prometheus_listen_url);
    FS_library_init();

    int value = 0;
    metrics->fs_handle = FS_create_handle(); // TODO memleak no free() API
    FS_set_para(metrics->fs_handle, APP_NAME, "SCE", 3);
    FS_set_para(metrics->fs_handle, OUTPUT_DEVICE, metrics->config.output_file, strlen(metrics->config.output_file));
    value = 1;
    FS_set_para(metrics->fs_handle, OUTPUT_PROMETHEUS, &value, sizeof(value));
    value = 1;
    FS_set_para(metrics->fs_handle, PRINT_MODE, &value, sizeof(value));
    value = 0;
    FS_set_para(metrics->fs_handle, CREATE_THREAD, &value, sizeof(value));

    if (strlen(metrics->config.statsd_server) > 0 && metrics->config.statsd_port != 0)
    {
        FS_set_para(metrics->fs_handle, STATS_SERVER_IP, metrics->config.statsd_server, strlen(metrics->config.statsd_server));
        FS_set_para(metrics->fs_handle, STATS_SERVER_PORT, &(metrics->config.statsd_port), sizeof(metrics->config.statsd_port));
        FS_set_para(metrics->fs_handle, STATS_FORMAT, &metrics->config.statsd_format, sizeof(metrics->config.statsd_format));
    }

    if (STAT_MAX >= (sizeof(metrics->fs_id) / sizeof(metrics->fs_id[0])))
    {
        LOG_ERROR("%s: field stat has insufficient space to store fs_id, and supports a maximum of %lu fsids, but %d is needed ", LOG_TAG_METRICS, (sizeof(metrics->fs_id) / sizeof(metrics->fs_id[0])), STAT_MAX);
        global_metrics_destory(metrics);
        return NULL;
    }

    for (int i = 0; i < STAT_MAX; i++)
    {
        metrics->fs_id[i] = FS_register(metrics->fs_handle, FS_STYLE_FIELD, FS_CALC_CURRENT, stat_map[i]);
    }

    FS_start(metrics->fs_handle);

    return metrics;
}

void global_metrics_destory(struct global_metrics *metrics)
{
    if (metrics)
    {
        FS_library_destroy();
        free(metrics);
        metrics = NULL;
    }
}

void global_metrics_dump(struct global_metrics *metrics)
{

    // device_metrics
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_DEVICE_NF_RX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->device.nf_rx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_DEVICE_NF_RX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->device.nf_rx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_DEVICE_NF_TX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->device.nf_tx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_DEVICE_NF_TX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->device.nf_tx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_DEVICE_ENDPOINT_RX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->device.endpoint_rx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_DEVICE_ENDPOINT_RX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->device.endpoint_rx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_DEVICE_ENDPOINT_TX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->device.endpoint_tx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_DEVICE_ENDPOINT_TX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->device.endpoint_tx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_DEVICE_ENDPOINT_DROP_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->device.endpoint_drop.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_DEVICE_ENDPOINT_DROP_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->device.endpoint_drop.n_bytes)));

    // raw_pkt_metrics
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_MIRR_BYPASS_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.mirr_bypass.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_MIRR_BYPASS_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.mirr_bypass.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_MIRR_BLOCK_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.mirr_block.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_MIRR_BLOCK_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.mirr_block.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_MIRR_RX_DROP_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.mirr_rx_drop.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_MIRR_RX_DROP_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.mirr_rx_drop.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_MIRR_TX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.mirr_tx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_MIRR_TX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.mirr_tx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_STEE_BYPASS_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.stee_bypass.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_STEE_BYPASS_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.stee_bypass.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_STEE_BLOCK_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.stee_block.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_STEE_BLOCK_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.stee_block.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_STEE_RX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.stee_rx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_STEE_RX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.stee_rx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_STEE_TX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.stee_tx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_STEE_TX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.stee_tx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_MISS_SESS_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.miss_sess.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_MISS_SESS_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.miss_sess.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_ERROR_BYPASS_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.error_bypass.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_ERROR_BYPASS_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.error_bypass.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_ERROR_BLOCK_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.error_block.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_RAW_PKT_ERROR_BLOCK_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->raw_pkt.error_block.n_bytes)));

    // ctrl_pkt_metrics
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_CTRL_PKT_RX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->ctrl_pkt.rx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_CTRL_PKT_RX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->ctrl_pkt.rx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_CTRL_PKT_TX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->ctrl_pkt.tx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_CTRL_PKT_TX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->ctrl_pkt.tx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_CTRL_PKT_OPENING], 0, FS_OP_SET, ATOMIC_READ(&(metrics->ctrl_pkt.opening)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_CTRL_PKT_ACTIVE], 0, FS_OP_SET, ATOMIC_READ(&(metrics->ctrl_pkt.active)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_CTRL_PKT_CLOSING], 0, FS_OP_SET, ATOMIC_READ(&(metrics->ctrl_pkt.closing)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_CTRL_PKT_RESETALL], 0, FS_OP_SET, ATOMIC_READ(&(metrics->ctrl_pkt.resetall)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_CTRL_PKT_ERROR], 0, FS_OP_SET, ATOMIC_READ(&(metrics->ctrl_pkt.error)));

    // keepalived_pkt_metrics
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_KEE_PKT_DOWN_RX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->kee_pkt.downlink_rx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_KEE_PKT_DOWN_RX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->kee_pkt.downlink_rx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_KEE_PKT_DOWN_TX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->kee_pkt.downlink_tx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_KEE_PKT_DOWN_TX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->kee_pkt.downlink_tx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_KEE_PKT_UP_RX_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->kee_pkt.uplink_rx.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_KEE_PKT_UP_RX_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->kee_pkt.uplink_rx.n_bytes)));

    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_KEE_PKT_UP_TX_DROP_PKT], 0, FS_OP_SET, ATOMIC_READ(&(metrics->kee_pkt.uplink_tx_drop.n_pkts)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_KEE_PKT_UP_TX_DROP_B], 0, FS_OP_SET, ATOMIC_READ(&(metrics->kee_pkt.uplink_tx_drop.n_bytes)));

    // sf_status_metrics
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_SF_STATUS_ACTIVE], 0, FS_OP_SET, ATOMIC_READ(&(metrics->sf_status.active)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_SF_STATUS_INACTIVE], 0, FS_OP_SET, ATOMIC_READ(&(metrics->sf_status.inactive)));

    // sf_session_metrics
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_SF_SESSION_NUM], 0, FS_OP_SET, ATOMIC_READ(&(metrics->sf_session.num)));
    FS_operate(metrics->fs_handle, metrics->fs_id[STAT_SF_SESSION_LOG], 0, FS_OP_SET, ATOMIC_READ(&(metrics->sf_session.log)));

    FS_passive_output(metrics->fs_handle);
}