Merging upstream version 1.46.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 1183 deletions

diff --git a/collectors/tc.plugin/plugin_tc.c b/collectors/tc.plugin/plugin_tc.c
deleted file mode 100644
index eae70453f..000000000
--- a/collectors/tc.plugin/plugin_tc.c
+++ /dev/null
@@ -1,1183 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include "daemon/common.h"
-
-#define RRD_TYPE_TC "tc"
-#define PLUGIN_TC_NAME "tc.plugin"
-
-// ----------------------------------------------------------------------------
-// /sbin/tc processor
-// this requires the script plugins.d/tc-qos-helper.sh
-
-#define TC_LINE_MAX 1024
-
-struct tc_class {
-    STRING *id;
-    STRING *name;
-    STRING *leafid;
-    STRING *parentid;
-
-    bool hasparent;
-    bool isleaf;
-    bool isqdisc;
-    bool render;
-    bool name_updated;
-    bool updated;
-
-    int  unupdated; // the number of times, this has been found un-updated
-
-    unsigned long long bytes;
-    unsigned long long packets;
-    unsigned long long dropped;
-    unsigned long long tokens;
-    unsigned long long ctokens;
-
-    //unsigned long long overlimits;
-    //unsigned long long requeues;
-    //unsigned long long lended;
-    //unsigned long long borrowed;
-    //unsigned long long giants;
-
-    RRDDIM *rd_bytes;
-    RRDDIM *rd_packets;
-    RRDDIM *rd_dropped;
-    RRDDIM *rd_tokens;
-    RRDDIM *rd_ctokens;
-};
-
-struct tc_device {
-    STRING *id;
-    STRING *name;
-    STRING *family;
-
-    bool name_updated;
-    bool family_updated;
-
-    char enabled;
-    char enabled_bytes;
-    char enabled_packets;
-    char enabled_dropped;
-    char enabled_tokens;
-    char enabled_ctokens;
-    char enabled_all_classes_qdiscs;
-
-    RRDSET *st_bytes;
-    RRDSET *st_packets;
-    RRDSET *st_dropped;
-    RRDSET *st_tokens;
-    RRDSET *st_ctokens;
-
-    DICTIONARY *classes;
-};
-
-
-// ----------------------------------------------------------------------------
-// tc_class index
-
-static void tc_class_free_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *data __maybe_unused) {
-    // struct tc_device *d = data;
-    struct tc_class *c = value;
-
-    string_freez(c->id);
-    string_freez(c->name);
-    string_freez(c->leafid);
-    string_freez(c->parentid);
-}
-
-static bool tc_class_conflict_callback(const DICTIONARY_ITEM *item __maybe_unused, void *old_value, void *new_value, void *data __maybe_unused) {
-    struct tc_device *d = data; (void)d;
-    struct tc_class *c = old_value; (void)c;
-    struct tc_class *new_c = new_value; (void)new_c;
-
-    collector_error("TC: class '%s' is already in device '%s'. Ignoring duplicate.", dictionary_acquired_item_name(item), string2str(d->id));
-
-    tc_class_free_callback(item, new_value, data);
-
-    return true;
-}
-
-static void tc_class_index_init(struct tc_device *d) {
-    if(!d->classes) {
-        d->classes = dictionary_create_advanced(DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_SINGLE_THREADED, &dictionary_stats_category_collectors, 0);
-
-        dictionary_register_delete_callback(d->classes, tc_class_free_callback, d);
-        dictionary_register_conflict_callback(d->classes, tc_class_conflict_callback, d);
-    }
-}
-
-static void tc_class_index_destroy(struct tc_device *d) {
-    dictionary_destroy(d->classes);
-    d->classes = NULL;
-}
-
-static struct tc_class *tc_class_index_add(struct tc_device *d, struct tc_class *c) {
-    return dictionary_set(d->classes, string2str(c->id), c, sizeof(*c));
-}
-
-static void tc_class_index_del(struct tc_device *d, struct tc_class *c) {
-    dictionary_del(d->classes, string2str(c->id));
-}
-
-static inline struct tc_class *tc_class_index_find(struct tc_device *d, const char *id) {
-    return dictionary_get(d->classes, id);
-}
-
-// ----------------------------------------------------------------------------
-// tc_device index
-
-static DICTIONARY *tc_device_root_index = NULL;
-
-static void tc_device_add_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *data __maybe_unused) {
-    struct tc_device *d = value;
-    tc_class_index_init(d);
-}
-
-static void tc_device_free_callback(const DICTIONARY_ITEM *item __maybe_unused, void *value, void *data __maybe_unused) {
-    struct tc_device *d = value;
-
-    tc_class_index_destroy(d);
-
-    string_freez(d->id);
-    string_freez(d->name);
-    string_freez(d->family);
-}
-
-static void tc_device_index_init() {
-    if(!tc_device_root_index) {
-        tc_device_root_index = dictionary_create_advanced(
-            DICT_OPTION_DONT_OVERWRITE_VALUE | DICT_OPTION_SINGLE_THREADED | DICT_OPTION_ADD_IN_FRONT,
-            &dictionary_stats_category_collectors, 0);
-
-        dictionary_register_insert_callback(tc_device_root_index, tc_device_add_callback, NULL);
-        dictionary_register_delete_callback(tc_device_root_index, tc_device_free_callback, NULL);
-    }
-}
-
-static void tc_device_index_destroy() {
-    dictionary_destroy(tc_device_root_index);
-    tc_device_root_index = NULL;
-}
-
-static struct tc_device *tc_device_index_add(struct tc_device *d) {
-    return dictionary_set(tc_device_root_index, string2str(d->id), d, sizeof(*d));
-}
-
-//static struct tc_device *tc_device_index_del(struct tc_device *d) {
-//    dictionary_del(tc_device_root_index, string2str(d->id));
-//    return d;
-//}
-
-static inline struct tc_device *tc_device_index_find(const char *id) {
-    return dictionary_get(tc_device_root_index, id);
-}
-
-// ----------------------------------------------------------------------------
-
-static inline void tc_class_free(struct tc_device *n, struct tc_class *c) {
-    netdata_log_debug(D_TC_LOOP, "Removing from device '%s' class '%s', parentid '%s', leafid '%s', unused=%d",
-          string2str(n->id), string2str(c->id), string2str(c->parentid), string2str(c->leafid),
-          c->unupdated);
-
-    tc_class_index_del(n, c);
-}
-
-static inline void tc_device_classes_cleanup(struct tc_device *d) {
-    static int cleanup_every = 999;
-
-    if(unlikely(cleanup_every > 0)) {
-        cleanup_every = (int) config_get_number("plugin:tc", "cleanup unused classes every", 120);
-        if(cleanup_every < 0) cleanup_every = -cleanup_every;
-    }
-
-    d->name_updated = false;
-    d->family_updated = false;
-
-    struct tc_class *c;
-    dfe_start_write(d->classes, c) {
-        if(unlikely(cleanup_every && c->unupdated >= cleanup_every))
-            tc_class_free(d, c);
-
-        else {
-            c->updated = false;
-            c->name_updated = false;
-        }
-    }
-    dfe_done(c);
-}
-
-static inline void tc_device_commit(struct tc_device *d) {
-    static int enable_new_interfaces = -1, enable_bytes = -1, enable_packets = -1, enable_dropped = -1, enable_tokens = -1, enable_ctokens = -1, enabled_all_classes_qdiscs = -1;
-
-    if(unlikely(enable_new_interfaces == -1)) {
-        enable_new_interfaces      = config_get_boolean_ondemand("plugin:tc", "enable new interfaces detected at runtime", CONFIG_BOOLEAN_YES);
-        enable_bytes               = config_get_boolean_ondemand("plugin:tc", "enable traffic charts for all interfaces", CONFIG_BOOLEAN_AUTO);
-        enable_packets             = config_get_boolean_ondemand("plugin:tc", "enable packets charts for all interfaces", CONFIG_BOOLEAN_AUTO);
-        enable_dropped             = config_get_boolean_ondemand("plugin:tc", "enable dropped charts for all interfaces", CONFIG_BOOLEAN_AUTO);
-        enable_tokens              = config_get_boolean_ondemand("plugin:tc", "enable tokens charts for all interfaces", CONFIG_BOOLEAN_NO);
-        enable_ctokens             = config_get_boolean_ondemand("plugin:tc", "enable ctokens charts for all interfaces", CONFIG_BOOLEAN_NO);
-        enabled_all_classes_qdiscs = config_get_boolean_ondemand("plugin:tc", "enable show all classes and qdiscs for all interfaces", CONFIG_BOOLEAN_NO);
-    }
-
-    if(unlikely(d->enabled == (char)-1)) {
-        char var_name[CONFIG_MAX_NAME + 1];
-        snprintfz(var_name, CONFIG_MAX_NAME, "qos for %s", string2str(d->id));
-
-        d->enabled                    = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_new_interfaces);
-
-        snprintfz(var_name, CONFIG_MAX_NAME, "traffic chart for %s", string2str(d->id));
-        d->enabled_bytes              = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_bytes);
-
-        snprintfz(var_name, CONFIG_MAX_NAME, "packets chart for %s", string2str(d->id));
-        d->enabled_packets            = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_packets);
-
-        snprintfz(var_name, CONFIG_MAX_NAME, "dropped packets chart for %s", string2str(d->id));
-        d->enabled_dropped            = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_dropped);
-
-        snprintfz(var_name, CONFIG_MAX_NAME, "tokens chart for %s", string2str(d->id));
-        d->enabled_tokens             = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_tokens);
-
-        snprintfz(var_name, CONFIG_MAX_NAME, "ctokens chart for %s", string2str(d->id));
-        d->enabled_ctokens            = (char)config_get_boolean_ondemand("plugin:tc", var_name, enable_ctokens);
-
-        snprintfz(var_name, CONFIG_MAX_NAME, "show all classes for %s", string2str(d->id));
-        d->enabled_all_classes_qdiscs = (char)config_get_boolean_ondemand("plugin:tc", var_name, enabled_all_classes_qdiscs);
-    }
-
-    // we only need to add leaf classes
-    struct tc_class *c, *x /*, *root = NULL */;
-    unsigned long long bytes_sum = 0, packets_sum = 0, dropped_sum = 0, tokens_sum = 0, ctokens_sum = 0;
-    int active_nodes = 0, updated_classes = 0, updated_qdiscs = 0;
-
-    // prepare all classes
-    // we set reasonable defaults for the rest of the code below
-
-    dfe_start_read(d->classes, c) {
-        c->render = false;      // do not render this class
-        c->isleaf = true;       // this is a leaf class
-        c->hasparent = false;   // without a parent
-
-        if(unlikely(!c->updated))
-            c->unupdated++;     // increase its unupdated counter
-        else {
-            c->unupdated = 0;   // reset its unupdated counter
-
-            // count how many of each kind
-            if(c->isqdisc)
-                updated_qdiscs++;
-            else
-                updated_classes++;
-        }
-    }
-    dfe_done(c);
-
-    if(unlikely(!d->enabled || (!updated_classes && !updated_qdiscs))) {
-        netdata_log_debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. It is not enabled/updated.", string2str(d->name?d->name:d->id));
-        tc_device_classes_cleanup(d);
-        return;
-    }
-
-    if(unlikely(updated_classes && updated_qdiscs)) {
-        collector_error("TC: device '%s' has active both classes (%d) and qdiscs (%d). Will render only qdiscs.", string2str(d->id), updated_classes, updated_qdiscs);
-
-        // set all classes to !updated
-        dfe_start_read(d->classes, c) {
-            if (unlikely(!c->isqdisc && c->updated))
-                c->updated = false;
-        }
-        dfe_done(c);
-        updated_classes = 0;
-    }
-
-    // mark the classes as leafs and parents
-    //
-    // TC is hierarchical:
-    //  - classes can have other classes in them
-    //  - the same is true for qdiscs (i.e. qdiscs have classes, that have other qdiscs)
-    //
-    // we need to present a chart with leaf nodes only, so that the sum
-    // of all dimensions of the chart, will be the total utilization
-    // of the interface.
-    //
-    // here we try to find the ones we need to report
-    // by default all nodes are marked with: isleaf = 1 (see above)
-    //
-    // so, here we remove the isleaf flag from nodes in the middle
-    // and we add the hasparent flag to leaf nodes we found their parent
-    if(likely(!d->enabled_all_classes_qdiscs)) {
-        dfe_start_read(d->classes, c) {
-            if(unlikely(!c->updated))
-                continue;
-
-            //netdata_log_debug(D_TC_LOOP, "TC: In device '%s', %s '%s'  has leafid: '%s' and parentid '%s'.",
-            //    d->id,
-            //    c->isqdisc?"qdisc":"class",
-            //    c->id,
-            //    c->leafid?c->leafid:"NULL",
-            //    c->parentid?c->parentid:"NULL");
-
-            // find if c is leaf or not
-            dfe_start_read(d->classes, x) {
-                if(unlikely(!x->updated || c == x || !x->parentid))
-                    continue;
-
-                // classes have both parentid and leafid
-                // qdiscs have only parentid
-                // the following works for both (it is an OR)
-
-                if((x->parentid && c->id == x->parentid) ||
-                   (c->leafid && x->parentid && c->leafid == x->parentid)) {
-                    // netdata_log_debug(D_TC_LOOP, "TC: In device '%s', %s '%s' (leafid: '%s') has as leaf %s '%s' (parentid: '%s').", d->name?d->name:d->id, c->isqdisc?"qdisc":"class", c->name?c->name:c->id, c->leafid?c->leafid:c->id, x->isqdisc?"qdisc":"class", x->name?x->name:x->id, x->parentid?x->parentid:x->id);
-                    c->isleaf = false;
-                    x->hasparent = true;
-                }
-            }
-            dfe_done(x);
-        }
-        dfe_done(c);
-    }
-
-    dfe_start_read(d->classes, c) {
-        if(unlikely(!c->updated))
-            continue;
-
-        // netdata_log_debug(D_TC_LOOP, "TC: device '%s', %s '%s' isleaf=%d, hasparent=%d", d->id, (c->isqdisc)?"qdisc":"class", c->id, c->isleaf, c->hasparent);
-
-        if(unlikely((c->isleaf && c->hasparent) || d->enabled_all_classes_qdiscs)) {
-            c->render = true;
-            active_nodes++;
-            bytes_sum += c->bytes;
-            packets_sum += c->packets;
-            dropped_sum += c->dropped;
-            tokens_sum += c->tokens;
-            ctokens_sum += c->ctokens;
-        }
-
-        //if(unlikely(!c->hasparent)) {
-        //    if(root) collector_error("TC: multiple root class/qdisc for device '%s' (old: '%s', new: '%s')", d->id, root->id, c->id);
-        //    root = c;
-        //    netdata_log_debug(D_TC_LOOP, "TC: found root class/qdisc '%s'", root->id);
-        //}
-    }
-    dfe_done(c);
-
-#ifdef NETDATA_INTERNAL_CHECKS
-    // dump all the list to see what we know
-
-    if(unlikely(debug_flags & D_TC_LOOP)) {
-        dfe_start_read(d->classes, c) {
-            if(c->render) netdata_log_debug(D_TC_LOOP, "TC: final nodes dump for '%s': class %s, OK", string2str(d->name), string2str(c->id));
-            else netdata_log_debug(D_TC_LOOP, "TC: final nodes dump for '%s': class '%s', IGNORE (updated: %d, isleaf: %d, hasparent: %d, parent: '%s')",
-                      string2str(d->name?d->name:d->id), string2str(c->id), c->updated, c->isleaf, c->hasparent, string2str(c->parentid));
-        }
-        dfe_done(c);
-    }
-#endif
-
-    if(unlikely(!active_nodes)) {
-        netdata_log_debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. No useful classes/qdiscs.", string2str(d->name?d->name:d->id));
-        tc_device_classes_cleanup(d);
-        return;
-    }
-
-    netdata_log_debug(D_TC_LOOP, "TC: evaluating TC device '%s'. enabled = %d/%d (bytes: %d/%d, packets: %d/%d, dropped: %d/%d, tokens: %d/%d, ctokens: %d/%d, all_classes_qdiscs: %d/%d), classes: (bytes = %llu, packets = %llu, dropped = %llu, tokens = %llu, ctokens = %llu).",
-        string2str(d->name?d->name:d->id),
-        d->enabled, enable_new_interfaces,
-        d->enabled_bytes, enable_bytes,
-        d->enabled_packets, enable_packets,
-        d->enabled_dropped, enable_dropped,
-        d->enabled_tokens, enable_tokens,
-        d->enabled_ctokens, enable_ctokens,
-        d->enabled_all_classes_qdiscs, enabled_all_classes_qdiscs,
-        bytes_sum,
-        packets_sum,
-        dropped_sum,
-        tokens_sum,
-        ctokens_sum
-        );
-
-    // --------------------------------------------------------------------
-    // bytes
-
-    if(d->enabled_bytes == CONFIG_BOOLEAN_YES || (d->enabled_bytes == CONFIG_BOOLEAN_AUTO &&
-                                                  (bytes_sum || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
-        d->enabled_bytes = CONFIG_BOOLEAN_YES;
-
-        if(unlikely(!d->st_bytes)) {
-            d->st_bytes = rrdset_create_localhost(
-                RRD_TYPE_TC,
-                string2str(d->id),
-                string2str(d->name ? d->name : d->id),
-                string2str(d->family ? d->family : d->id),
-                RRD_TYPE_TC ".qos",
-                "Class Usage",
-                "kilobits/s",
-                PLUGIN_TC_NAME,
-                NULL,
-                NETDATA_CHART_PRIO_TC_QOS,
-                localhost->rrd_update_every,
-                d->enabled_all_classes_qdiscs ? RRDSET_TYPE_LINE : RRDSET_TYPE_STACKED);
-
-            rrdlabels_add(d->st_bytes->rrdlabels, "device", string2str(d->id), RRDLABEL_SRC_AUTO);
-            rrdlabels_add(d->st_bytes->rrdlabels, "device_name", string2str(d->name?d->name:d->id), RRDLABEL_SRC_AUTO);
-            rrdlabels_add(d->st_bytes->rrdlabels, "device_group", string2str(d->family?d->family:d->id), RRDLABEL_SRC_AUTO);
-        }
-        else {
-            if(unlikely(d->name_updated))
-                rrdset_reset_name(d->st_bytes, string2str(d->name));
-
-            if(d->name && d->name_updated)
-                rrdlabels_add(d->st_bytes->rrdlabels, "device_name", string2str(d->name), RRDLABEL_SRC_AUTO);
-
-            if(d->family && d->family_updated)
-                rrdlabels_add(d->st_bytes->rrdlabels, "device_group", string2str(d->family), RRDLABEL_SRC_AUTO);
-
-            // TODO
-            // update the family
-        }
-
-        dfe_start_read(d->classes, c) {
-            if(unlikely(!c->render)) continue;
-
-            if(unlikely(!c->rd_bytes))
-                c->rd_bytes = rrddim_add(d->st_bytes, string2str(c->id), string2str(c->name?c->name:c->id), 8, BITS_IN_A_KILOBIT, RRD_ALGORITHM_INCREMENTAL);
-            else if(unlikely(c->name_updated))
-                rrddim_reset_name(d->st_bytes, c->rd_bytes, string2str(c->name));
-
-            rrddim_set_by_pointer(d->st_bytes, c->rd_bytes, c->bytes);
-        }
-        dfe_done(c);
-
-        rrdset_done(d->st_bytes);
-    }
-
-    // --------------------------------------------------------------------
-    // packets
-
-    if(d->enabled_packets == CONFIG_BOOLEAN_YES || (d->enabled_packets == CONFIG_BOOLEAN_AUTO &&
-                                                    (packets_sum ||
-                                                     netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
-        d->enabled_packets = CONFIG_BOOLEAN_YES;
-
-        if(unlikely(!d->st_packets)) {
-            char id[RRD_ID_LENGTH_MAX + 1];
-            char name[RRD_ID_LENGTH_MAX + 1];
-            snprintfz(id, RRD_ID_LENGTH_MAX, "%s_packets", string2str(d->id));
-            snprintfz(name, RRD_ID_LENGTH_MAX, "%s_packets", string2str(d->name ? d->name : d->id));
-
-            d->st_packets = rrdset_create_localhost(
-                RRD_TYPE_TC,
-                id,
-                name,
-                string2str(d->family ? d->family : d->id),
-                RRD_TYPE_TC ".qos_packets",
-                "Class Packets",
-                "packets/s",
-                PLUGIN_TC_NAME,
-                NULL,
-                NETDATA_CHART_PRIO_TC_QOS_PACKETS,
-                localhost->rrd_update_every,
-                d->enabled_all_classes_qdiscs ? RRDSET_TYPE_LINE : RRDSET_TYPE_STACKED);
-
-            rrdlabels_add(d->st_packets->rrdlabels, "device", string2str(d->id), RRDLABEL_SRC_AUTO);
-            rrdlabels_add(d->st_packets->rrdlabels, "device_name", string2str(d->name?d->name:d->id), RRDLABEL_SRC_AUTO);
-            rrdlabels_add(d->st_packets->rrdlabels, "device_group", string2str(d->family?d->family:d->id), RRDLABEL_SRC_AUTO);
-        }
-        else {
-            if(unlikely(d->name_updated)) {
-                char name[RRD_ID_LENGTH_MAX + 1];
-                snprintfz(name, RRD_ID_LENGTH_MAX, "%s_packets", string2str(d->name?d->name:d->id));
-                rrdset_reset_name(d->st_packets, name);
-            }
-
-            if(d->name && d->name_updated)
-                rrdlabels_add(d->st_packets->rrdlabels, "device_name", string2str(d->name), RRDLABEL_SRC_AUTO);
-
-            if(d->family && d->family_updated)
-                rrdlabels_add(d->st_packets->rrdlabels, "device_group", string2str(d->family), RRDLABEL_SRC_AUTO);
-
-            // TODO
-            // update the family
-        }
-
-        dfe_start_read(d->classes, c) {
-            if(unlikely(!c->render)) continue;
-
-            if(unlikely(!c->rd_packets))
-                c->rd_packets = rrddim_add(d->st_packets, string2str(c->id), string2str(c->name?c->name:c->id), 1, 1, RRD_ALGORITHM_INCREMENTAL);
-            else if(unlikely(c->name_updated))
-                rrddim_reset_name(d->st_packets, c->rd_packets, string2str(c->name));
-
-            rrddim_set_by_pointer(d->st_packets, c->rd_packets, c->packets);
-        }
-        dfe_done(c);
-
-        rrdset_done(d->st_packets);
-    }
-
-    // --------------------------------------------------------------------
-    // dropped
-
-    if(d->enabled_dropped == CONFIG_BOOLEAN_YES || (d->enabled_dropped == CONFIG_BOOLEAN_AUTO &&
-                                                    (dropped_sum ||
-                                                     netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
-        d->enabled_dropped = CONFIG_BOOLEAN_YES;
-
-        if(unlikely(!d->st_dropped)) {
-            char id[RRD_ID_LENGTH_MAX + 1];
-            char name[RRD_ID_LENGTH_MAX + 1];
-            snprintfz(id, RRD_ID_LENGTH_MAX, "%s_dropped", string2str(d->id));
-            snprintfz(name, RRD_ID_LENGTH_MAX, "%s_dropped", string2str(d->name ? d->name : d->id));
-
-            d->st_dropped = rrdset_create_localhost(
-                RRD_TYPE_TC,
-                id,
-                name,
-                string2str(d->family ? d->family : d->id),
-                RRD_TYPE_TC ".qos_dropped",
-                "Class Dropped Packets",
-                "packets/s",
-                PLUGIN_TC_NAME,
-                NULL,
-                NETDATA_CHART_PRIO_TC_QOS_DROPPED,
-                localhost->rrd_update_every,
-                d->enabled_all_classes_qdiscs ? RRDSET_TYPE_LINE : RRDSET_TYPE_STACKED);
-
-            rrdlabels_add(d->st_dropped->rrdlabels, "device", string2str(d->id), RRDLABEL_SRC_AUTO);
-            rrdlabels_add(d->st_dropped->rrdlabels, "device_name", string2str(d->name?d->name:d->id), RRDLABEL_SRC_AUTO);
-            rrdlabels_add(d->st_dropped->rrdlabels, "device_group", string2str(d->family?d->family:d->id), RRDLABEL_SRC_AUTO);
-        }
-        else {
-            if(unlikely(d->name_updated)) {
-                char name[RRD_ID_LENGTH_MAX + 1];
-                snprintfz(name, RRD_ID_LENGTH_MAX, "%s_dropped", string2str(d->name?d->name:d->id));
-                rrdset_reset_name(d->st_dropped, name);
-            }
-
-            if(d->name && d->name_updated)
-                rrdlabels_add(d->st_dropped->rrdlabels, "device_name", string2str(d->name), RRDLABEL_SRC_AUTO);
-
-            if(d->family && d->family_updated)
-                rrdlabels_add(d->st_dropped->rrdlabels, "device_group", string2str(d->family), RRDLABEL_SRC_AUTO);
-
-            // TODO
-            // update the family
-        }
-
-        dfe_start_read(d->classes, c) {
-            if(unlikely(!c->render)) continue;
-
-            if(unlikely(!c->rd_dropped))
-                c->rd_dropped = rrddim_add(d->st_dropped, string2str(c->id), string2str(c->name?c->name:c->id), 1, 1, RRD_ALGORITHM_INCREMENTAL);
-            else if(unlikely(c->name_updated))
-                rrddim_reset_name(d->st_dropped, c->rd_dropped, string2str(c->name));
-
-            rrddim_set_by_pointer(d->st_dropped, c->rd_dropped, c->dropped);
-        }
-        dfe_done(c);
-
-        rrdset_done(d->st_dropped);
-    }
-
-    // --------------------------------------------------------------------
-    // tokens
-
-    if(d->enabled_tokens == CONFIG_BOOLEAN_YES || (d->enabled_tokens == CONFIG_BOOLEAN_AUTO &&
-                                                   (tokens_sum ||
-                                                    netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
-        d->enabled_tokens = CONFIG_BOOLEAN_YES;
-
-        if(unlikely(!d->st_tokens)) {
-            char id[RRD_ID_LENGTH_MAX + 1];
-            char name[RRD_ID_LENGTH_MAX + 1];
-            snprintfz(id, RRD_ID_LENGTH_MAX, "%s_tokens", string2str(d->id));
-            snprintfz(name, RRD_ID_LENGTH_MAX, "%s_tokens", string2str(d->name ? d->name : d->id));
-
-            d->st_tokens = rrdset_create_localhost(
-                RRD_TYPE_TC,
-                id,
-                name,
-                string2str(d->family ? d->family : d->id),
-                RRD_TYPE_TC ".qos_tokens",
-                "Class Tokens",
-                "tokens",
-                PLUGIN_TC_NAME,
-                NULL,
-                NETDATA_CHART_PRIO_TC_QOS_TOKENS,
-                localhost->rrd_update_every,
-                RRDSET_TYPE_LINE);
-
-            rrdlabels_add(d->st_tokens->rrdlabels, "device", string2str(d->id), RRDLABEL_SRC_AUTO);
-            rrdlabels_add(d->st_tokens->rrdlabels, "device_name", string2str(d->name?d->name:d->id), RRDLABEL_SRC_AUTO);
-            rrdlabels_add(d->st_tokens->rrdlabels, "device_group", string2str(d->family?d->family:d->id), RRDLABEL_SRC_AUTO);
-        }
-        else {
-            if(unlikely(d->name_updated)) {
-                char name[RRD_ID_LENGTH_MAX + 1];
-                snprintfz(name, RRD_ID_LENGTH_MAX, "%s_tokens", string2str(d->name?d->name:d->id));
-                rrdset_reset_name(d->st_tokens, name);
-            }
-
-            if(d->name && d->name_updated)
-                rrdlabels_add(d->st_tokens->rrdlabels, "device_name", string2str(d->name), RRDLABEL_SRC_AUTO);
-
-            if(d->family && d->family_updated)
-                rrdlabels_add(d->st_tokens->rrdlabels, "device_group", string2str(d->family), RRDLABEL_SRC_AUTO);
-
-            // TODO
-            // update the family
-        }
-
-        dfe_start_read(d->classes, c) {
-            if(unlikely(!c->render)) continue;
-
-            if(unlikely(!c->rd_tokens)) {
-                c->rd_tokens = rrddim_add(d->st_tokens, string2str(c->id), string2str(c->name?c->name:c->id), 1, 1, RRD_ALGORITHM_ABSOLUTE);
-            }
-            else if(unlikely(c->name_updated))
-                rrddim_reset_name(d->st_tokens, c->rd_tokens, string2str(c->name));
-
-            rrddim_set_by_pointer(d->st_tokens, c->rd_tokens, c->tokens);
-        }
-        dfe_done(c);
-
-        rrdset_done(d->st_tokens);
-    }
-
-    // --------------------------------------------------------------------
-    // ctokens
-
-    if(d->enabled_ctokens == CONFIG_BOOLEAN_YES || (d->enabled_ctokens == CONFIG_BOOLEAN_AUTO &&
-                                                    (ctokens_sum ||
-                                                     netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))) {
-        d->enabled_ctokens = CONFIG_BOOLEAN_YES;
-
-        if(unlikely(!d->st_ctokens)) {
-            char id[RRD_ID_LENGTH_MAX + 1];
-            char name[RRD_ID_LENGTH_MAX + 1];
-            snprintfz(id, RRD_ID_LENGTH_MAX, "%s_ctokens", string2str(d->id));
-            snprintfz(name, RRD_ID_LENGTH_MAX, "%s_ctokens", string2str(d->name ? d->name : d->id));
-
-            d->st_ctokens = rrdset_create_localhost(
-                RRD_TYPE_TC,
-                id,
-                name,
-                string2str(d->family ? d->family : d->id),
-                RRD_TYPE_TC ".qos_ctokens",
-                "Class cTokens",
-                "ctokens",
-                PLUGIN_TC_NAME,
-                NULL,
-                NETDATA_CHART_PRIO_TC_QOS_CTOKENS,
-                localhost->rrd_update_every,
-                RRDSET_TYPE_LINE);
-
-            rrdlabels_add(d->st_ctokens->rrdlabels, "device", string2str(d->id), RRDLABEL_SRC_AUTO);
-            rrdlabels_add(d->st_ctokens->rrdlabels, "device_name", string2str(d->name?d->name:d->id), RRDLABEL_SRC_AUTO);
-            rrdlabels_add(d->st_ctokens->rrdlabels, "device_group", string2str(d->family?d->family:d->id), RRDLABEL_SRC_AUTO);
-        }
-        else {
-            netdata_log_debug(D_TC_LOOP, "TC: Updating _ctokens chart for device '%s'", string2str(d->name?d->name:d->id));
-
-            if(unlikely(d->name_updated)) {
-                char name[RRD_ID_LENGTH_MAX + 1];
-                snprintfz(name, RRD_ID_LENGTH_MAX, "%s_ctokens", string2str(d->name?d->name:d->id));
-                rrdset_reset_name(d->st_ctokens, name);
-            }
-
-            if(d->name && d->name_updated)
-                rrdlabels_add(d->st_ctokens->rrdlabels, "device_name", string2str(d->name), RRDLABEL_SRC_AUTO);
-
-            if(d->family && d->family_updated)
-                rrdlabels_add(d->st_ctokens->rrdlabels, "device_group", string2str(d->family), RRDLABEL_SRC_AUTO);
-
-            // TODO
-            // update the family
-        }
-
-        dfe_start_read(d->classes, c) {
-            if(unlikely(!c->render)) continue;
-
-            if(unlikely(!c->rd_ctokens))
-                c->rd_ctokens = rrddim_add(d->st_ctokens, string2str(c->id), string2str(c->name?c->name:c->id), 1, 1, RRD_ALGORITHM_ABSOLUTE);
-            else if(unlikely(c->name_updated))
-                rrddim_reset_name(d->st_ctokens, c->rd_ctokens, string2str(c->name));
-
-            rrddim_set_by_pointer(d->st_ctokens, c->rd_ctokens, c->ctokens);
-        }
-        dfe_done(c);
-
-        rrdset_done(d->st_ctokens);
-    }
-
-    tc_device_classes_cleanup(d);
-}
-
-static inline void tc_device_set_class_name(struct tc_device *d, char *id, char *name) {
-    if(unlikely(!name || !*name)) return;
-
-    struct tc_class *c = tc_class_index_find(d, id);
-    if(likely(c)) {
-        if(likely(c->name)) {
-            if(!strcmp(string2str(c->name), name)) return;
-            string_freez(c->name);
-            c->name = NULL;
-        }
-
-        if(likely(name && *name && strcmp(string2str(c->id), name) != 0)) {
-            netdata_log_debug(D_TC_LOOP, "TC: Setting device '%s', class '%s' name to '%s'", string2str(d->id), id, name);
-            c->name = string_strdupz(name);
-            c->name_updated = true;
-        }
-    }
-}
-
-static inline void tc_device_set_device_name(struct tc_device *d, char *name) {
-    if(unlikely(!name || !*name)) return;
-
-    if(d->name) {
-        if(!strcmp(string2str(d->name), name)) return;
-        string_freez(d->name);
-        d->name = NULL;
-    }
-
-    if(likely(name && *name && strcmp(string2str(d->id), name) != 0)) {
-        netdata_log_debug(D_TC_LOOP, "TC: Setting device '%s' name to '%s'", string2str(d->id), name);
-        d->name = string_strdupz(name);
-        d->name_updated = true;
-    }
-}
-
-static inline void tc_device_set_device_family(struct tc_device *d, char *family) {
-    string_freez(d->family);
-    d->family = NULL;
-
-    if(likely(family && *family && strcmp(string2str(d->id), family) != 0)) {
-        netdata_log_debug(D_TC_LOOP, "TC: Setting device '%s' family to '%s'", string2str(d->id), family);
-        d->family = string_strdupz(family);
-        d->family_updated = true;
-    }
-    // no need for null termination - it is already null
-}
-
-static inline struct tc_device *tc_device_create(char *id) {
-    struct tc_device *d = tc_device_index_find(id);
-
-    if(!d) {
-        netdata_log_debug(D_TC_LOOP, "TC: Creating device '%s'", id);
-
-        struct tc_device tmp = {
-            .id = string_strdupz(id),
-            .enabled = (char)-1,
-        };
-        d = tc_device_index_add(&tmp);
-    }
-
-    return(d);
-}
-
-static inline struct tc_class *tc_class_add(struct tc_device *n, char *id, bool qdisc, char *parentid, char *leafid) {
-    struct tc_class *c = tc_class_index_find(n, id);
-
-    if(!c) {
-        netdata_log_debug(D_TC_LOOP, "TC: Creating in device '%s', class id '%s', parentid '%s', leafid '%s'",
-              string2str(n->id), id, parentid?parentid:"", leafid?leafid:"");
-
-        struct tc_class tmp = {
-            .id = string_strdupz(id),
-            .isqdisc = qdisc,
-            .parentid = string_strdupz(parentid),
-            .leafid = string_strdupz(leafid),
-        };
-
-        tc_class_index_add(n, &tmp);
-    }
-    return(c);
-}
-
-//static inline void tc_device_free(struct tc_device *d) {
-//    tc_device_index_del(d);
-//}
-
-static inline int tc_space(char c) {
-    switch(c) {
-    case ' ':
-    case '\t':
-    case '\r':
-    case '\n':
-        return 1;
-
-    default:
-        return 0;
-    }
-}
-
-static inline void tc_split_words(char *str, char **words, int max_words) {
-    char *s = str;
-    int i = 0;
-
-    // skip all white space
-    while(tc_space(*s)) s++;
-
-    // store the first word
-    words[i++] = s;
-
-    // while we have something
-    while(*s) {
-        // if it is a space
-        if(unlikely(tc_space(*s))) {
-
-            // terminate the word
-            *s++ = '\0';
-
-            // skip all white space
-            while(tc_space(*s)) s++;
-
-            // if we reached the end, stop
-            if(!*s) break;
-
-            // store the next word
-            if(i < max_words) words[i++] = s;
-            else break;
-        }
-        else s++;
-    }
-
-    // terminate the words
-    while(i < max_words) words[i++] = NULL;
-}
-
-static pid_t tc_child_pid = 0;
-
-static void tc_main_cleanup(void *ptr) {
-    worker_unregister();
-
-    tc_device_index_destroy();
-
-    struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
-    static_thread->enabled = NETDATA_MAIN_THREAD_EXITING;
-
-    collector_info("cleaning up...");
-
-    if(tc_child_pid) {
-        collector_info("TC: killing with SIGTERM tc-qos-helper process %d", tc_child_pid);
-        if(killpid(tc_child_pid) != -1) {
-            siginfo_t info;
-
-            collector_info("TC: waiting for tc plugin child process pid %d to exit...", tc_child_pid);
-            netdata_waitid(P_PID, (id_t) tc_child_pid, &info, WEXITED);
-        }
-
-        tc_child_pid = 0;
-    }
-
-    static_thread->enabled = NETDATA_MAIN_THREAD_EXITED;
-}
-
-#define WORKER_TC_CLASS          0
-#define WORKER_TC_BEGIN          1
-#define WORKER_TC_END            2
-#define WORKER_TC_SENT           3
-#define WORKER_TC_LENDED         4
-#define WORKER_TC_TOKENS         5
-#define WORKER_TC_SETDEVICENAME  6
-#define WORKER_TC_SETDEVICEGROUP 7
-#define WORKER_TC_SETCLASSNAME   8
-#define WORKER_TC_WORKTIME       9
-#define WORKER_TC_PLUGIN_TIME   10
-#define WORKER_TC_DEVICES       11
-#define WORKER_TC_CLASSES       12
-
-#if WORKER_UTILIZATION_MAX_JOB_TYPES < 13
-#error WORKER_UTILIZATION_MAX_JOB_TYPES has to be at least 10
-#endif
-
-void *tc_main(void *ptr) {
-    worker_register("TC");
-    worker_register_job_name(WORKER_TC_CLASS, "class");
-    worker_register_job_name(WORKER_TC_BEGIN, "begin");
-    worker_register_job_name(WORKER_TC_END, "end");
-    worker_register_job_name(WORKER_TC_SENT, "sent");
-    worker_register_job_name(WORKER_TC_LENDED, "lended");
-    worker_register_job_name(WORKER_TC_TOKENS, "tokens");
-    worker_register_job_name(WORKER_TC_SETDEVICENAME, "devicename");
-    worker_register_job_name(WORKER_TC_SETDEVICEGROUP, "devicegroup");
-    worker_register_job_name(WORKER_TC_SETCLASSNAME, "classname");
-    worker_register_job_name(WORKER_TC_WORKTIME, "worktime");
-
-    worker_register_job_custom_metric(WORKER_TC_PLUGIN_TIME, "tc script execution time", "milliseconds/run", WORKER_METRIC_ABSOLUTE);
-    worker_register_job_custom_metric(WORKER_TC_DEVICES, "number of devices", "devices", WORKER_METRIC_ABSOLUTE);
-    worker_register_job_custom_metric(WORKER_TC_CLASSES, "number of classes", "classes", WORKER_METRIC_ABSOLUTE);
-
-    tc_device_index_init();
-    netdata_thread_cleanup_push(tc_main_cleanup, ptr);
-
-    char command[FILENAME_MAX + 1];
-    char *words[PLUGINSD_MAX_WORDS] = { NULL };
-
-    uint32_t BEGIN_HASH = simple_hash("BEGIN");
-    uint32_t END_HASH = simple_hash("END");
-    uint32_t QDISC_HASH = simple_hash("qdisc");
-    uint32_t CLASS_HASH = simple_hash("class");
-    uint32_t SENT_HASH = simple_hash("Sent");
-    uint32_t LENDED_HASH = simple_hash("lended:");
-    uint32_t TOKENS_HASH = simple_hash("tokens:");
-    uint32_t SETDEVICENAME_HASH = simple_hash("SETDEVICENAME");
-    uint32_t SETDEVICEGROUP_HASH = simple_hash("SETDEVICEGROUP");
-    uint32_t SETCLASSNAME_HASH = simple_hash("SETCLASSNAME");
-    uint32_t WORKTIME_HASH = simple_hash("WORKTIME");
-    uint32_t first_hash;
-
-    snprintfz(command, TC_LINE_MAX, "%s/tc-qos-helper.sh", netdata_configured_primary_plugins_dir);
-    char *tc_script = config_get("plugin:tc", "script to run to get tc values", command);
-
-    while(service_running(SERVICE_COLLECTORS)) {
-        FILE *fp_child_input, *fp_child_output;
-        struct tc_device *device = NULL;
-        struct tc_class *class = NULL;
-
-        snprintfz(command, TC_LINE_MAX, "exec %s %d", tc_script, localhost->rrd_update_every);
-        netdata_log_debug(D_TC_LOOP, "executing '%s'", command);
-
-        fp_child_output = netdata_popen(command, (pid_t *)&tc_child_pid, &fp_child_input);
-        if(unlikely(!fp_child_output)) {
-            collector_error("TC: Cannot popen(\"%s\", \"r\").", command);
-            goto cleanup;
-        }
-
-        char buffer[TC_LINE_MAX+1] = "";
-        while(fgets(buffer, TC_LINE_MAX, fp_child_output) != NULL) {
-            if(unlikely(!service_running(SERVICE_COLLECTORS))) break;
-
-            buffer[TC_LINE_MAX] = '\0';
-            // netdata_log_debug(D_TC_LOOP, "TC: read '%s'", buffer);
-
-            tc_split_words(buffer, words, PLUGINSD_MAX_WORDS);
-
-            if(unlikely(!words[0] || !*words[0])) {
-                // netdata_log_debug(D_TC_LOOP, "empty line");
-                worker_is_idle();
-                continue;
-            }
-            // else netdata_log_debug(D_TC_LOOP, "First word is '%s'", words[0]);
-
-            first_hash = simple_hash(words[0]);
-
-            if(unlikely(device && ((first_hash == CLASS_HASH && strcmp(words[0], "class") == 0) ||  (first_hash == QDISC_HASH && strcmp(words[0], "qdisc") == 0)))) {
-                worker_is_busy(WORKER_TC_CLASS);
-
-                // netdata_log_debug(D_TC_LOOP, "CLASS line on class id='%s', parent='%s', parentid='%s', leaf='%s', leafid='%s'", words[2], words[3], words[4], words[5], words[6]);
-
-                char *type     = words[1];  // the class/qdisc type: htb, fq_codel, etc
-                char *id       = words[2];  // the class/qdisc major:minor
-                char *parent   = words[3];  // the word 'parent' or 'root'
-                char *parentid = words[4];  // parentid
-                char *leaf     = words[5];  // the word 'leaf'
-                char *leafid   = words[6];  // leafid
-
-                int parent_is_root = 0;
-                int parent_is_parent = 0;
-                if(likely(parent)) {
-                    parent_is_parent = !strcmp(parent, "parent");
-
-                    if(!parent_is_parent)
-                        parent_is_root = !strcmp(parent, "root");
-                }
-
-                if(likely(type && id && (parent_is_root || parent_is_parent))) {
-                    bool qdisc = false;
-
-                    if(first_hash == QDISC_HASH) {
-                        qdisc = true;
-
-                        if(!strcmp(type, "ingress")) {
-                            // we don't want to get the ingress qdisc
-                            // there should be an IFB interface for this
-
-                            class = NULL;
-                            worker_is_idle();
-                            continue;
-                        }
-
-                        if(parent_is_parent && parentid) {
-                            // eliminate the minor number from parentid
-                            // why: parentid is the id of the parent class
-                            // but major: is also the id of the parent qdisc
-
-                            char *s = parentid;
-                            while(*s && *s != ':') s++;
-                            if(*s == ':') s[1] = '\0';
-                        }
-                    }
-
-                    if(parent_is_root) {
-                        parentid = NULL;
-                        leafid = NULL;
-                    }
-                    else if(!leaf || strcmp(leaf, "leaf") != 0)
-                        leafid = NULL;
-
-                    char leafbuf[20 + 1] = "";
-                    if(leafid && leafid[strlen(leafid) - 1] == ':') {
-                        strncpyz(leafbuf, leafid, 20 - 1);
-                        strcat(leafbuf, "1");
-                        leafid = leafbuf;
-                    }
-
-                    class = tc_class_add(device, id, qdisc, parentid, leafid);
-                }
-                else {
-                    // clear the last class
-                    class = NULL;
-                }
-            }
-            else if(unlikely(first_hash == END_HASH && strcmp(words[0], "END") == 0)) {
-                worker_is_busy(WORKER_TC_END);
-
-                // netdata_log_debug(D_TC_LOOP, "END line");
-
-                if(likely(device)) {
-                    netdata_thread_disable_cancelability();
-                    tc_device_commit(device);
-                    // tc_device_free(device);
-                    netdata_thread_enable_cancelability();
-                }
-
-                device = NULL;
-                class = NULL;
-            }
-            else if(unlikely(first_hash == BEGIN_HASH && strcmp(words[0], "BEGIN") == 0)) {
-                worker_is_busy(WORKER_TC_BEGIN);
-
-                // netdata_log_debug(D_TC_LOOP, "BEGIN line on device '%s'", words[1]);
-
-                if(likely(words[1] && *words[1])) {
-                    device = tc_device_create(words[1]);
-                }
-                else {
-                    // tc_device_free(device);
-                    device = NULL;
-                }
-
-                class = NULL;
-            }
-            else if(unlikely(device && class && first_hash == SENT_HASH && strcmp(words[0], "Sent") == 0)) {
-                worker_is_busy(WORKER_TC_SENT);
-
-                // netdata_log_debug(D_TC_LOOP, "SENT line '%s'", words[1]);
-                if(likely(words[1] && *words[1])) {
-                    class->bytes = str2ull(words[1], NULL);
-                    class->updated = true;
-                }
-                else {
-                    class->updated = false;
-                }
-
-                if(likely(words[3] && *words[3]))
-                    class->packets = str2ull(words[3], NULL);
-
-                if(likely(words[6] && *words[6]))
-                    class->dropped = str2ull(words[6], NULL);
-
-                //if(likely(words[8] && *words[8]))
-                //    class->overlimits = str2ull(words[8]);
-
-                //if(likely(words[10] && *words[10]))
-                //    class->requeues = str2ull(words[8]);
-            }
-            else if(unlikely(device && class && class->updated && first_hash == LENDED_HASH && strcmp(words[0], "lended:") == 0)) {
-                worker_is_busy(WORKER_TC_LENDED);
-
-                // netdata_log_debug(D_TC_LOOP, "LENDED line '%s'", words[1]);
-                //if(likely(words[1] && *words[1]))
-                //    class->lended = str2ull(words[1]);
-
-                //if(likely(words[3] && *words[3]))
-                //    class->borrowed = str2ull(words[3]);
-
-                //if(likely(words[5] && *words[5]))
-                //    class->giants = str2ull(words[5]);
-            }
-            else if(unlikely(device && class && class->updated && first_hash == TOKENS_HASH && strcmp(words[0], "tokens:") == 0)) {
-                worker_is_busy(WORKER_TC_TOKENS);
-
-                // netdata_log_debug(D_TC_LOOP, "TOKENS line '%s'", words[1]);
-                if(likely(words[1] && *words[1]))
-                    class->tokens = str2ull(words[1], NULL);
-
-                if(likely(words[3] && *words[3]))
-                    class->ctokens = str2ull(words[3], NULL);
-            }
-            else if(unlikely(device && first_hash == SETDEVICENAME_HASH && strcmp(words[0], "SETDEVICENAME") == 0)) {
-                worker_is_busy(WORKER_TC_SETDEVICENAME);
-
-                // netdata_log_debug(D_TC_LOOP, "SETDEVICENAME line '%s'", words[1]);
-                if(likely(words[1] && *words[1]))
-                    tc_device_set_device_name(device, words[1]);
-            }
-            else if(unlikely(device && first_hash == SETDEVICEGROUP_HASH && strcmp(words[0], "SETDEVICEGROUP") == 0)) {
-                worker_is_busy(WORKER_TC_SETDEVICEGROUP);
-
-                // netdata_log_debug(D_TC_LOOP, "SETDEVICEGROUP line '%s'", words[1]);
-                if(likely(words[1] && *words[1]))
-                    tc_device_set_device_family(device, words[1]);
-            }
-            else if(unlikely(device && first_hash == SETCLASSNAME_HASH && strcmp(words[0], "SETCLASSNAME") == 0)) {
-                worker_is_busy(WORKER_TC_SETCLASSNAME);
-
-                // netdata_log_debug(D_TC_LOOP, "SETCLASSNAME line '%s' '%s'", words[1], words[2]);
-                char *id    = words[1];
-                char *path  = words[2];
-                if(likely(id && *id && path && *path))
-                    tc_device_set_class_name(device, id, path);
-            }
-            else if(unlikely(first_hash == WORKTIME_HASH && strcmp(words[0], "WORKTIME") == 0)) {
-                worker_is_busy(WORKER_TC_WORKTIME);
-                worker_set_metric(WORKER_TC_PLUGIN_TIME, str2ll(words[1], NULL));
-
-                size_t number_of_devices = dictionary_entries(tc_device_root_index);
-                size_t number_of_classes = 0;
-
-                struct tc_device *d;
-                dfe_start_read(tc_device_root_index, d) {
-                    number_of_classes += dictionary_entries(d->classes);
-                }
-                dfe_done(d);
-
-                worker_set_metric(WORKER_TC_DEVICES, number_of_devices);
-                worker_set_metric(WORKER_TC_CLASSES, number_of_classes);
-            }
-            //else {
-            //  netdata_log_debug(D_TC_LOOP, "IGNORED line");
-            //}
-
-            worker_is_idle();
-        }
-
-        // fgets() failed or loop broke
-        int code = netdata_pclose(fp_child_input, fp_child_output, (pid_t)tc_child_pid);
-        tc_child_pid = 0;
-
-        if(unlikely(device)) {
-            // tc_device_free(device);
-            device = NULL;
-            class = NULL;
-        }
-
-        if(unlikely(!service_running(SERVICE_COLLECTORS)))
-            goto cleanup;
-
-        if(code == 1 || code == 127) {
-            // 1 = DISABLE
-            // 127 = cannot even run it
-            collector_error("TC: tc-qos-helper.sh exited with code %d. Disabling it.", code);
-            goto cleanup;
-        }
-
-        sleep((unsigned int) localhost->rrd_update_every);
-    }
-
-cleanup: ; // added semi-colon to prevent older gcc error: label at end of compound statement
-    worker_unregister();
-    netdata_thread_cleanup_pop(1);
-    return NULL;
-}