X-Git-Url: https://arthur.barton.de/gitweb/?a=blobdiff_plain;f=src%2Fplugin_tc.c;h=7dcfedb33e56d6db1e0a60bc55b8b39fdef44360;hb=61bf5dc9fbaa494684246728e2fb48a0ab25fc95;hp=45f129832c413d64d21a62fddec97912bc0b699e;hpb=ebfe6258b5eb2d3810c4cd20657431c21a3d37b8;p=netdata.git diff --git a/src/plugin_tc.c b/src/plugin_tc.c index 45f12983..7dcfedb3 100644 --- a/src/plugin_tc.c +++ b/src/plugin_tc.c @@ -1,24 +1,6 @@ -#ifdef HAVE_CONFIG_H -#include -#endif -#include -#include -#include -#include -#include - -#include "avl.h" -#include "log.h" #include "common.h" -#include "appconfig.h" -#include "rrd.h" -#include "popen.h" -#include "plugin_tc.h" -#include "main.h" -#include "../config.h" -#define RRD_TYPE_TC "tc" -#define RRD_TYPE_TC_LEN strlen(RRD_TYPE_TC) +#define RRD_TYPE_TC "tc" // ---------------------------------------------------------------------------- // /sbin/tc processor @@ -27,54 +9,81 @@ #define TC_LINE_MAX 1024 struct tc_class { - avl avl; - - char *id; - uint32_t hash; - - char *name; - - char *leafid; - uint32_t leaf_hash; + avl avl; + + char *id; + uint32_t hash; + + char *name; + + char *leafid; + uint32_t leaf_hash; + + char *parentid; + uint32_t parent_hash; + + char hasparent; + char isleaf; + char isqdisc; + char render; + + unsigned long long bytes; + unsigned long long packets; + unsigned long long dropped; + unsigned long long overlimits; + unsigned long long requeues; + unsigned long long lended; + unsigned long long borrowed; + unsigned long long giants; + unsigned long long tokens; + unsigned long long ctokens; + + RRDDIM *rd_bytes; + RRDDIM *rd_packets; + RRDDIM *rd_dropped; + RRDDIM *rd_tokens; + RRDDIM *rd_ctokens; + + char name_updated; + char updated; // updated bytes + int unupdated; // the number of times, this has been found un-updated + + struct tc_class *next; + struct tc_class *prev; +}; - char *parentid; - uint32_t parent_hash; +struct tc_device { + avl avl; - char hasparent; - char isleaf; - unsigned long long bytes; - unsigned long long packets; - unsigned long long dropped; - unsigned long long overlimits; - unsigned long long requeues; - unsigned long long lended; - unsigned long long borrowed; - unsigned long long giants; - unsigned long long tokens; - unsigned long long ctokens; + char *id; + uint32_t hash; - char updated; // updated bytes - char seen; // seen in the tc list (even without bytes) + char *name; + char *family; - struct tc_class *next; - struct tc_class *prev; -}; + char name_updated; + char family_updated; -struct tc_device { - avl avl; + char enabled; + char enabled_bytes; + char enabled_packets; + char enabled_dropped; + char enabled_tokens; + char enabled_ctokens; + char enabled_all_classes_qdiscs; - char *id; - uint32_t hash; + RRDSET *st_bytes; + RRDSET *st_packets; + RRDSET *st_dropped; + RRDSET *st_tokens; + RRDSET *st_ctokens; - char *name; - char *family; + avl_tree classes_index; - avl_tree classes_index; + struct tc_class *classes; - struct tc_class *classes; - - struct tc_device *next; - struct tc_device *prev; + struct tc_device *next; + struct tc_device *prev; }; @@ -84,25 +93,25 @@ struct tc_device *tc_device_root = NULL; // tc_device index static int tc_device_compare(void* a, void* b) { - if(((struct tc_device *)a)->hash < ((struct tc_device *)b)->hash) return -1; - else if(((struct tc_device *)a)->hash > ((struct tc_device *)b)->hash) return 1; - else return strcmp(((struct tc_device *)a)->id, ((struct tc_device *)b)->id); + if(((struct tc_device *)a)->hash < ((struct tc_device *)b)->hash) return -1; + else if(((struct tc_device *)a)->hash > ((struct tc_device *)b)->hash) return 1; + else return strcmp(((struct tc_device *)a)->id, ((struct tc_device *)b)->id); } avl_tree tc_device_root_index = { - NULL, - tc_device_compare + NULL, + tc_device_compare }; -#define tc_device_index_add(st) avl_insert(&tc_device_root_index, (avl *)(st)) -#define tc_device_index_del(st) avl_remove(&tc_device_root_index, (avl *)(st)) +#define tc_device_index_add(st) (struct tc_device *)avl_insert(&tc_device_root_index, (avl *)(st)) +#define tc_device_index_del(st) (struct tc_device *)avl_remove(&tc_device_root_index, (avl *)(st)) static inline struct tc_device *tc_device_index_find(const char *id, uint32_t hash) { - struct tc_device tmp; - tmp.id = (char *)id; - tmp.hash = (hash)?hash:simple_hash(tmp.id); + struct tc_device tmp; + tmp.id = (char *)id; + tmp.hash = (hash)?hash:simple_hash(tmp.id); - return (struct tc_device *)avl_search(&(tc_device_root_index), (avl *)&tmp); + return (struct tc_device *)avl_search(&(tc_device_root_index), (avl *)&tmp); } @@ -110,621 +119,950 @@ static inline struct tc_device *tc_device_index_find(const char *id, uint32_t ha // tc_class index static int tc_class_compare(void* a, void* b) { - if(((struct tc_class *)a)->hash < ((struct tc_class *)b)->hash) return -1; - else if(((struct tc_class *)a)->hash > ((struct tc_class *)b)->hash) return 1; - else return strcmp(((struct tc_class *)a)->id, ((struct tc_class *)b)->id); + if(((struct tc_class *)a)->hash < ((struct tc_class *)b)->hash) return -1; + else if(((struct tc_class *)a)->hash > ((struct tc_class *)b)->hash) return 1; + else return strcmp(((struct tc_class *)a)->id, ((struct tc_class *)b)->id); } -#define tc_class_index_add(st, rd) avl_insert(&((st)->classes_index), (avl *)(rd)) -#define tc_class_index_del(st, rd) avl_remove(&((st)->classes_index), (avl *)(rd)) +#define tc_class_index_add(st, rd) (struct tc_class *)avl_insert(&((st)->classes_index), (avl *)(rd)) +#define tc_class_index_del(st, rd) (struct tc_class *)avl_remove(&((st)->classes_index), (avl *)(rd)) static inline struct tc_class *tc_class_index_find(struct tc_device *st, const char *id, uint32_t hash) { - struct tc_class tmp; - tmp.id = (char *)id; - tmp.hash = (hash)?hash:simple_hash(tmp.id); + struct tc_class tmp; + tmp.id = (char *)id; + tmp.hash = (hash)?hash:simple_hash(tmp.id); - return (struct tc_class *)avl_search(&(st->classes_index), (avl *) &tmp); + return (struct tc_class *)avl_search(&(st->classes_index), (avl *) &tmp); } // ---------------------------------------------------------------------------- static inline void tc_class_free(struct tc_device *n, struct tc_class *c) { - debug(D_TC_LOOP, "Removing from device '%s' class '%s', parentid '%s', leafid '%s', seen=%d", n->id, c->id, c->parentid?c->parentid:"", c->leafid?c->leafid:"", c->seen); - - if(c->next) c->next->prev = c->prev; - if(c->prev) c->prev->next = c->next; - if(n->classes == c) { - if(c->next) n->classes = c->next; - else n->classes = c->prev; - } - - tc_class_index_del(n, c); - - if(c->id) free(c->id); - if(c->name) free(c->name); - if(c->leafid) free(c->leafid); - if(c->parentid) free(c->parentid); - - free(c); + if(c == n->classes) { + if(c->next) + n->classes = c->next; + else + n->classes = c->prev; + } + if(c->next) c->next->prev = c->prev; + if(c->prev) c->prev->next = c->next; + + debug(D_TC_LOOP, "Removing from device '%s' class '%s', parentid '%s', leafid '%s', unused=%d", n->id, c->id, c->parentid?c->parentid:"", c->leafid?c->leafid:"", c->unupdated); + + if(unlikely(tc_class_index_del(n, c) != c)) + error("plugin_tc: INTERNAL ERROR: attempt remove class '%s' from device '%s': removed a different calls", c->id, n->id); + + freez(c->id); + freez(c->name); + freez(c->leafid); + freez(c->parentid); + freez(c); } static inline void tc_device_classes_cleanup(struct tc_device *d) { - static int cleanup_every = 999; - - if(cleanup_every > 0) { - cleanup_every = (int) -config_get_number("plugin:tc", "cleanup unused classes every", 60); - if(cleanup_every > 0) cleanup_every = -cleanup_every; - if(cleanup_every == 0) cleanup_every = -1; - } - - struct tc_class *c = d->classes; - while(c) { - if(c->seen < cleanup_every) { - struct tc_class *nc = c->next; - tc_class_free(d, c); - c = nc; - } - else c = c->next; - - if(c) { - c->updated = 0; - c->seen--; - } - } + 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 = 0; + d->family_updated = 0; + + struct tc_class *c = d->classes; + while(c) { + if(unlikely(cleanup_every && c->unupdated >= cleanup_every)) { + struct tc_class *nc = c->next; + tc_class_free(d, c); + c = nc; + } + else { + c->updated = 0; + c->name_updated = 0; + + c = c->next; + } + } } -static inline void tc_device_commit(struct tc_device *d) -{ - static int enable_new_interfaces = -1; - - if(enable_new_interfaces == -1) enable_new_interfaces = config_get_boolean("plugin:tc", "enable new interfaces detected at runtime", 1); - - // we only need to add leaf classes - struct tc_class *c, *x; - - // set all classes - for(c = d->classes ; c ; c = c->next) { - c->isleaf = 1; - c->hasparent = 0; - } - - // mark the classes as leafs and parents - for(c = d->classes ; c ; c = c->next) { - if(!c->updated) continue; - - for(x = d->classes ; x ; x = x->next) { - if(!x->updated) continue; - - if(c == x) continue; - - if(x->parentid && ( - ( c->hash == x->parent_hash && strcmp(c->id, x->parentid) == 0) || - (c->leafid && c->leaf_hash == x->parent_hash && strcmp(c->leafid, x->parentid) == 0))) { - // debug(D_TC_LOOP, "TC: In device '%s', class '%s' (leafid: '%s') has as leaf class '%s' (parentid: '%s').", d->name?d->name:d->id, c->name?c->name:c->id, c->leafid?c->leafid:c->id, x->name?x->name:x->id, x->parentid?x->parentid:x->id); - c->isleaf = 0; - x->hasparent = 1; - } - } - } - - // debugging: - /* - for ( c = d->classes ; c ; c = c->next) { - if(c->isleaf && c->hasparent) debug(D_TC_LOOP, "TC: Device %s, class %s, OK", d->name, c->id); - else debug(D_TC_LOOP, "TC: Device %s, class %s, IGNORE (isleaf: %d, hasparent: %d, parent: %s)", d->name, c->id, c->isleaf, c->hasparent, c->parentid); - } - */ - - // we need at least a class - for(c = d->classes ; c ; c = c->next) { - // debug(D_TC_LOOP, "TC: Device '%s', class '%s', isLeaf=%d, HasParent=%d, Seen=%d", d->name?d->name:d->id, c->name?c->name:c->id, c->isleaf, c->hasparent, c->seen); - if(!c->updated) continue; - if(c->isleaf && c->hasparent) break; - } - if(!c) { - debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. No leaf classes.", d->name?d->name:d->id); - tc_device_classes_cleanup(d); - return; - } - - char var_name[CONFIG_MAX_NAME + 1]; - snprintfz(var_name, CONFIG_MAX_NAME, "qos for %s", d->id); - if(config_get_boolean("plugin:tc", var_name, enable_new_interfaces)) { - RRDSET *st = rrdset_find_bytype(RRD_TYPE_TC, d->id); - if(!st) { - debug(D_TC_LOOP, "TC: Creating new chart for device '%s'", d->name?d->name:d->id); - - st = rrdset_create(RRD_TYPE_TC, d->id, d->name?d->name:d->id, d->family?d->family:d->id, RRD_TYPE_TC ".qos", "Class Usage", "kilobits/s", 7000, rrd_update_every, RRDSET_TYPE_STACKED); - - for(c = d->classes ; c ; c = c->next) { - if(!c->updated) continue; - - if(c->isleaf && c->hasparent) - rrddim_add(st, c->id, c->name?c->name:c->id, 8, 1024, RRDDIM_INCREMENTAL); - } - } - else { - debug(D_TC_LOOP, "TC: Updating chart for device '%s'", d->name?d->name:d->id); - rrdset_next_plugins(st); - - if(d->name && strcmp(d->id, d->name) != 0) rrdset_set_name(st, d->name); - } - - for(c = d->classes ; c ; c = c->next) { - if(!c->updated) continue; - - if(c->isleaf && c->hasparent) { - RRDDIM *rd = rrddim_find(st, c->id); - - if(!rd) { - debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s' (name: '%s')", st->id, c->id, c->name); - - // new class, we have to add it - rd = rrddim_add(st, c->id, c->name?c->name:c->id, 8, 1024, RRDDIM_INCREMENTAL); - } - else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", st->id, c->id); - - rrddim_set_by_pointer(st, rd, c->bytes); - - // if it has a name, different to the id - if(c->name) { - // update the rrd dimension with the new name - debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", st->id, rd->id, c->name); - rrddim_set_name(st, rd, c->name); - - free(c->name); - c->name = NULL; - } - } - } - rrdset_done(st); - } - - tc_device_classes_cleanup(d); +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", 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", 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", 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", 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", 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", 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", 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 + + for(c = d->classes ; c ; c = c->next) { + c->render = 0; // do not render this class + + c->isleaf = 1; // this is a leaf class + c->hasparent = 0; // 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++; + } + } + + if(unlikely(!d->enabled || (!updated_classes && !updated_qdiscs))) { + debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. It is not enabled/updated.", d->name?d->name:d->id); + tc_device_classes_cleanup(d); + return; + } + + if(unlikely(updated_classes && updated_qdiscs)) { + error("TC: device '%s' has active both classes (%d) and qdiscs (%d). Will render only qdiscs.", d->id, updated_classes, updated_qdiscs); + + // set all classes to !updated + for(c = d->classes ; c ; c = c->next) + if(unlikely(!c->isqdisc && c->updated)) + c->updated = 0; + + 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)) { + for(c = d->classes; c; c = c->next) { + if(unlikely(!c->updated)) continue; + + //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 + for(x = d->classes; x; x = x->next) { + 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((c->hash == x->parent_hash && strcmp(c->id, x->parentid) == 0) || + (c->leafid && c->leaf_hash == x->parent_hash && strcmp(c->leafid, x->parentid) == 0)) { + // 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 = 0; + x->hasparent = 1; + } + } + } + } + + for(c = d->classes ; c ; c = c->next) { + if(unlikely(!c->updated)) continue; + + // 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 = 1; + 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) error("TC: multiple root class/qdisc for device '%s' (old: '%s', new: '%s')", d->id, root->id, c->id); + // root = c; + // debug(D_TC_LOOP, "TC: found root class/qdisc '%s'", root->id); + //} + } + +#ifdef NETDATA_INTERNAL_CHECKS + // dump all the list to see what we know + + if(unlikely(debug_flags & D_TC_LOOP)) { + for(c = d->classes ; c ; c = c->next) { + if(c->render) debug(D_TC_LOOP, "TC: final nodes dump for '%s': class %s, OK", d->name, c->id); + else debug(D_TC_LOOP, "TC: final nodes dump for '%s': class %s, IGNORE (updated: %d, isleaf: %d, hasparent: %d, parent: %s)", d->name?d->name:d->id, c->id, c->updated, c->isleaf, c->hasparent, c->parentid?c->parentid:"(unset)"); + } + } +#endif + + if(unlikely(!active_nodes)) { + debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. No useful classes/qdiscs.", d->name?d->name:d->id); + tc_device_classes_cleanup(d); + return; + } + + 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).", + 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)) { + d->enabled_bytes = CONFIG_BOOLEAN_YES; + + if(unlikely(!d->st_bytes)) + d->st_bytes = rrdset_create_localhost(RRD_TYPE_TC, d->id, d->name ? d->name : d->id + , d->family ? d->family : d->id, RRD_TYPE_TC ".qos", "Class Usage" + , "kilobits/s", 7000, localhost->rrd_update_every + , d->enabled_all_classes_qdiscs ? RRDSET_TYPE_LINE + : RRDSET_TYPE_STACKED); + + else { + rrdset_next(d->st_bytes); + if(unlikely(d->name_updated)) rrdset_set_name(d->st_bytes, d->name); + + // FIXME + // update the family + } + + for(c = d->classes ; c ; c = c->next) { + if(unlikely(!c->render)) continue; + + if(unlikely(!c->rd_bytes)) + c->rd_bytes = rrddim_add(d->st_bytes, c->id, c->name?c->name:c->id, 8, 1024, RRD_ALGORITHM_INCREMENTAL); + else if(unlikely(c->name_updated)) + rrddim_set_name(d->st_bytes, c->rd_bytes, c->name); + + rrddim_set_by_pointer(d->st_bytes, c->rd_bytes, c->bytes); + } + rrdset_done(d->st_bytes); + } + + // -------------------------------------------------------------------- + // packets + + if(d->enabled_packets == CONFIG_BOOLEAN_YES || (d->enabled_packets == CONFIG_BOOLEAN_AUTO && packets_sum)) { + 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", d->id); + snprintfz(name, RRD_ID_LENGTH_MAX, "%s_packets", d->name?d->name:d->id); + + d->st_packets = rrdset_create_localhost(RRD_TYPE_TC, id, name, d->family ? d->family : d->id + , RRD_TYPE_TC ".qos_packets", "Class Packets", "packets/s", 7010 + , localhost->rrd_update_every, d->enabled_all_classes_qdiscs ? RRDSET_TYPE_LINE + : RRDSET_TYPE_STACKED); + } + else { + rrdset_next(d->st_packets); + + if(unlikely(d->name_updated)) { + char name[RRD_ID_LENGTH_MAX + 1]; + snprintfz(name, RRD_ID_LENGTH_MAX, "%s_packets", d->name?d->name:d->id); + rrdset_set_name(d->st_packets, name); + } + + // FIXME + // update the family + } + + for(c = d->classes ; c ; c = c->next) { + if(unlikely(!c->render)) continue; + + if(unlikely(!c->rd_packets)) + c->rd_packets = rrddim_add(d->st_packets, c->id, c->name?c->name:c->id, 1, 1, RRD_ALGORITHM_INCREMENTAL); + else if(unlikely(c->name_updated)) + rrddim_set_name(d->st_packets, c->rd_packets, c->name); + + rrddim_set_by_pointer(d->st_packets, c->rd_packets, c->packets); + } + rrdset_done(d->st_packets); + } + + // -------------------------------------------------------------------- + // dropped + + if(d->enabled_dropped == CONFIG_BOOLEAN_YES || (d->enabled_dropped == CONFIG_BOOLEAN_AUTO && dropped_sum)) { + 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", d->id); + snprintfz(name, RRD_ID_LENGTH_MAX, "%s_dropped", d->name?d->name:d->id); + + d->st_dropped = rrdset_create_localhost(RRD_TYPE_TC, id, name, d->family ? d->family : d->id + , RRD_TYPE_TC ".qos_dropped", "Class Dropped Packets", "packets/s" + , 7020, localhost->rrd_update_every + , d->enabled_all_classes_qdiscs ? RRDSET_TYPE_LINE + : RRDSET_TYPE_STACKED); + } + else { + rrdset_next(d->st_dropped); + + if(unlikely(d->name_updated)) { + char name[RRD_ID_LENGTH_MAX + 1]; + snprintfz(name, RRD_ID_LENGTH_MAX, "%s_dropped", d->name?d->name:d->id); + rrdset_set_name(d->st_dropped, name); + } + + // FIXME + // update the family + } + + for(c = d->classes ; c ; c = c->next) { + if(unlikely(!c->render)) continue; + + if(unlikely(!c->rd_dropped)) + c->rd_dropped = rrddim_add(d->st_dropped, c->id, c->name?c->name:c->id, 1, 1, RRD_ALGORITHM_INCREMENTAL); + else if(unlikely(c->name_updated)) + rrddim_set_name(d->st_dropped, c->rd_dropped, c->name); + + rrddim_set_by_pointer(d->st_dropped, c->rd_dropped, c->dropped); + } + rrdset_done(d->st_dropped); + } + + // -------------------------------------------------------------------- + // tokens + + if(d->enabled_tokens == CONFIG_BOOLEAN_YES || (d->enabled_tokens == CONFIG_BOOLEAN_AUTO && tokens_sum)) { + 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", d->id); + snprintfz(name, RRD_ID_LENGTH_MAX, "%s_tokens", d->name?d->name:d->id); + + d->st_tokens = rrdset_create_localhost(RRD_TYPE_TC, id, name, d->family ? d->family : d->id + , RRD_TYPE_TC ".qos_tokens", "Class Tokens", "tokens", 7030 + , localhost->rrd_update_every, RRDSET_TYPE_LINE); + } + else { + rrdset_next(d->st_tokens); + + if(unlikely(d->name_updated)) { + char name[RRD_ID_LENGTH_MAX + 1]; + snprintfz(name, RRD_ID_LENGTH_MAX, "%s_tokens", d->name?d->name:d->id); + rrdset_set_name(d->st_tokens, name); + } + + // FIXME + // update the family + } + + for(c = d->classes ; c ; c = c->next) { + if(unlikely(!c->render)) continue; + + if(unlikely(!c->rd_tokens)) { + c->rd_tokens = rrddim_add(d->st_tokens, c->id, c->name?c->name:c->id, 1, 1, RRD_ALGORITHM_ABSOLUTE); + } + else if(unlikely(c->name_updated)) + rrddim_set_name(d->st_tokens, c->rd_tokens, c->name); + + rrddim_set_by_pointer(d->st_tokens, c->rd_tokens, c->tokens); + } + rrdset_done(d->st_tokens); + } + + // -------------------------------------------------------------------- + // ctokens + + if(d->enabled_ctokens == CONFIG_BOOLEAN_YES || (d->enabled_ctokens == CONFIG_BOOLEAN_AUTO && ctokens_sum)) { + 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", d->id); + snprintfz(name, RRD_ID_LENGTH_MAX, "%s_ctokens", d->name?d->name:d->id); + + d->st_ctokens = rrdset_create_localhost(RRD_TYPE_TC, id, name, d->family ? d->family : d->id + , RRD_TYPE_TC ".qos_ctokens", "Class cTokens", "ctokens", 7040 + , localhost->rrd_update_every, RRDSET_TYPE_LINE); + } + else { + debug(D_TC_LOOP, "TC: Updating _ctokens chart for device '%s'", d->name?d->name:d->id); + rrdset_next(d->st_ctokens); + + if(unlikely(d->name_updated)) { + char name[RRD_ID_LENGTH_MAX + 1]; + snprintfz(name, RRD_ID_LENGTH_MAX, "%s_ctokens", d->name?d->name:d->id); + rrdset_set_name(d->st_ctokens, name); + } + + // FIXME + // update the family + } + + for(c = d->classes ; c ; c = c->next) { + if(unlikely(!c->render)) continue; + + if(unlikely(!c->rd_ctokens)) + c->rd_ctokens = rrddim_add(d->st_ctokens, c->id, c->name?c->name:c->id, 1, 1, RRD_ALGORITHM_ABSOLUTE); + else if(unlikely(c->name_updated)) + rrddim_set_name(d->st_ctokens, c->rd_ctokens, c->name); + + rrddim_set_by_pointer(d->st_ctokens, c->rd_ctokens, c->ctokens); + } + 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) -{ - struct tc_class *c = tc_class_index_find(d, id, 0); - if(c) { - if(c->name) free(c->name); - c->name = NULL; - - if(name && *name && strcmp(c->id, name) != 0) { - debug(D_TC_LOOP, "TC: Setting device '%s', class '%s' name to '%s'", d->id, id, name); - c->name = strdup(name); - } - } +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, 0); + if(likely(c)) { + if(likely(c->name)) { + if(!strcmp(c->name, name)) return; + freez(c->name); + c->name = NULL; + } + + if(likely(name && *name && strcmp(c->id, name) != 0)) { + debug(D_TC_LOOP, "TC: Setting device '%s', class '%s' name to '%s'", d->id, id, name); + c->name = strdupz(name); + c->name_updated = 1; + } + } } static inline void tc_device_set_device_name(struct tc_device *d, char *name) { - if(d->name) free(d->name); - d->name = NULL; - - if(name && *name && strcmp(d->id, name) != 0) { - debug(D_TC_LOOP, "TC: Setting device '%s' name to '%s'", d->id, name); - d->name = strdup(name); - } + if(unlikely(!name || !*name)) return; + + if(d->name) { + if(!strcmp(d->name, name)) return; + freez(d->name); + d->name = NULL; + } + + if(likely(name && *name && strcmp(d->id, name))) { + debug(D_TC_LOOP, "TC: Setting device '%s' name to '%s'", d->id, name); + d->name = strdupz(name); + d->name_updated = 1; + } } static inline void tc_device_set_device_family(struct tc_device *d, char *family) { - if(d->family) free(d->family); - d->family = NULL; - - if(family && *family && strcmp(d->id, family) != 0) { - debug(D_TC_LOOP, "TC: Setting device '%s' family to '%s'", d->id, family); - d->family = strdup(family); - } - // no need for null termination - it is already null + freez(d->family); + d->family = NULL; + + if(likely(family && *family && strcmp(d->id, family) != 0)) { + debug(D_TC_LOOP, "TC: Setting device '%s' family to '%s'", d->id, family); + d->family = strdupz(family); + d->family_updated = 1; + } + // 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, 0); - - if(!d) { - debug(D_TC_LOOP, "TC: Creating device '%s'", id); - - d = calloc(1, sizeof(struct tc_device)); - if(!d) { - fatal("Cannot allocate memory for tc_device %s", id); - return NULL; - } - - d->id = strdup(id); - d->hash = simple_hash(d->id); - - avl_init(&d->classes_index, tc_class_compare); - tc_device_index_add(d); - - if(!tc_device_root) { - tc_device_root = d; - } - else { - d->next = tc_device_root; - tc_device_root->prev = d; - tc_device_root = d; - } - } - - return(d); -} + struct tc_device *d = tc_device_index_find(id, 0); -static inline struct tc_class *tc_class_add(struct tc_device *n, char *id, char *parentid, char *leafid) -{ - struct tc_class *c = tc_class_index_find(n, id, 0); + if(!d) { + debug(D_TC_LOOP, "TC: Creating device '%s'", id); - if(!c) { - debug(D_TC_LOOP, "TC: Creating in device '%s', class id '%s', parentid '%s', leafid '%s'", n->id, id, parentid?parentid:"", leafid?leafid:""); + d = callocz(1, sizeof(struct tc_device)); - c = calloc(1, sizeof(struct tc_class)); - if(!c) { - fatal("Cannot allocate memory for tc class"); - return NULL; - } + d->id = strdupz(id); + d->hash = simple_hash(d->id); + d->enabled = (char)-1; - if(n->classes) n->classes->prev = c; - c->next = n->classes; - n->classes = c; + avl_init(&d->classes_index, tc_class_compare); + if(unlikely(tc_device_index_add(d) != d)) + error("plugin_tc: INTERNAL ERROR: removing device '%s' removed a different device.", d->id); - c->id = strdup(id); - if(!c->id) { - free(c); - return NULL; - } - c->hash = simple_hash(c->id); + if(!tc_device_root) { + tc_device_root = d; + } + else { + d->next = tc_device_root; + tc_device_root->prev = d; + tc_device_root = d; + } + } - if(parentid && *parentid) { - c->parentid = strdup(parentid); - c->parent_hash = simple_hash(c->parentid); - } + return(d); +} - if(leafid && *leafid) { - c->leafid = strdup(leafid); - c->leaf_hash = simple_hash(c->leafid); - } +static inline struct tc_class *tc_class_add(struct tc_device *n, char *id, char qdisc, char *parentid, char *leafid) +{ + struct tc_class *c = tc_class_index_find(n, id, 0); - tc_class_index_add(n, c); - } + if(!c) { + debug(D_TC_LOOP, "TC: Creating in device '%s', class id '%s', parentid '%s', leafid '%s'", n->id, id, parentid?parentid:"", leafid?leafid:""); - c->seen = 1; + c = callocz(1, sizeof(struct tc_class)); - return(c); -} + if(n->classes) n->classes->prev = c; + c->next = n->classes; + n->classes = c; -static inline void tc_device_free(struct tc_device *n) -{ - if(n->next) n->next->prev = n->prev; - if(n->prev) n->prev->next = n->next; - if(tc_device_root == n) { - if(n->next) tc_device_root = n->next; - else tc_device_root = n->prev; - } + c->id = strdupz(id); + c->hash = simple_hash(c->id); - tc_device_index_del(n); + c->isqdisc = qdisc; + if(parentid && *parentid) { + c->parentid = strdupz(parentid); + c->parent_hash = simple_hash(c->parentid); + } - while(n->classes) tc_class_free(n, n->classes); + if(leafid && *leafid) { + c->leafid = strdupz(leafid); + c->leaf_hash = simple_hash(c->leafid); + } - if(n->id) free(n->id); - if(n->name) free(n->name); - if(n->family) free(n->family); + if(unlikely(tc_class_index_add(n, c) != c)) + error("plugin_tc: INTERNAL ERROR: attempt index class '%s' on device '%s': already exists", c->id, n->id); + } + return(c); +} - free(n); +static inline void tc_device_free(struct tc_device *n) +{ + if(n->next) n->next->prev = n->prev; + if(n->prev) n->prev->next = n->next; + if(tc_device_root == n) { + if(n->next) tc_device_root = n->next; + else tc_device_root = n->prev; + } + + if(unlikely(tc_device_index_del(n) != n)) + error("plugin_tc: INTERNAL ERROR: removing device '%s' removed a different device.", n->id); + + while(n->classes) tc_class_free(n, n->classes); + + freez(n->id); + freez(n->name); + freez(n->family); + freez(n); } static inline void tc_device_free_all() { - while(tc_device_root) - tc_device_free(tc_device_root); + while(tc_device_root) + tc_device_free(tc_device_root); } #define MAX_WORDS 20 static inline int tc_space(char c) { - switch(c) { - case ' ': - case '\t': - case '\r': - case '\n': - return 1; - - default: - return 0; - } + 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; + char *s = str; + int i = 0; - // skip all white space - while(tc_space(*s)) s++; + // skip all white space + while(tc_space(*s)) s++; - // store the first word - words[i++] = s; + // store the first word + words[i++] = s; - // while we have something - while(*s) { - // if it is a space - if(tc_space(*s)) { + // while we have something + while(*s) { + // if it is a space + if(unlikely(tc_space(*s))) { - // terminate the word - *s++ = '\0'; + // terminate the word + *s++ = '\0'; - // skip all white space - while(tc_space(*s)) s++; + // skip all white space + while(tc_space(*s)) s++; - // if we reached the end, stop - if(!*s) break; + // if we reached the end, stop + if(!*s) break; - // store the next word - if(i < max_words) words[i++] = s; - else break; - } - else s++; - } + // 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; + // terminate the words + while(i < max_words) words[i++] = NULL; } -pid_t tc_child_pid = 0; -void *tc_main(void *ptr) -{ - if(ptr) { ; } +volatile pid_t tc_child_pid = 0; +void *tc_main(void *ptr) { + struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr; - info("TC thread created with task id %d", gettid()); + info("TC thread created with task id %d", gettid()); - if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0) - error("Cannot set pthread cancel type to DEFERRED."); + if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0) + error("Cannot set pthread cancel type to DEFERRED."); - if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0) - error("Cannot set pthread cancel state to ENABLE."); + if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0) + error("Cannot set pthread cancel state to ENABLE."); - struct rusage thread; - RRDSET *stcpu = NULL, *sttime = NULL; + struct rusage thread; + RRDSET *stcpu = NULL, *sttime = NULL; - char buffer[TC_LINE_MAX+1] = ""; - char *words[MAX_WORDS] = { NULL }; + char buffer[TC_LINE_MAX+1] = ""; + char *words[MAX_WORDS] = { NULL }; - uint32_t BEGIN_HASH = simple_hash("BEGIN"); - uint32_t END_HASH = simple_hash("END"); - 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 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"); #ifdef DETACH_PLUGINS_FROM_NETDATA - uint32_t MYPID_HASH = simple_hash("MYPID"); + uint32_t MYPID_HASH = simple_hash("MYPID"); #endif - uint32_t first_hash; - - for(;1;) { - if(unlikely(netdata_exit)) break; - - FILE *fp; - struct tc_device *device = NULL; - struct tc_class *class = NULL; - - snprintfz(buffer, TC_LINE_MAX, "exec %s %d", config_get("plugin:tc", "script to run to get tc values", PLUGINS_DIR "/tc-qos-helper.sh"), rrd_update_every); - debug(D_TC_LOOP, "executing '%s'", buffer); - // fp = popen(buffer, "r"); - fp = mypopen(buffer, &tc_child_pid); - if(!fp) { - error("TC: Cannot popen(\"%s\", \"r\").", buffer); - pthread_exit(NULL); - return NULL; - } - - while(fgets(buffer, TC_LINE_MAX, fp) != NULL) { - if(unlikely(netdata_exit)) break; - - buffer[TC_LINE_MAX] = '\0'; - // debug(D_TC_LOOP, "TC: read '%s'", buffer); - - tc_split_words(buffer, words, MAX_WORDS); - if(!words[0] || !*words[0]) { - // debug(D_TC_LOOP, "empty line"); - continue; - } - // else debug(D_TC_LOOP, "First word is '%s'", words[0]); - - first_hash = simple_hash(words[0]); - - if(device && first_hash == CLASS_HASH && strcmp(words[0], "class") == 0) { - // 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]); - - // clear the last class - class = NULL; - - // words[1] : class type - // words[2] : N:XX - // words[3] : parent or root - if(words[1] && words[2] && words[3] && (strcmp(words[3], "parent") == 0 || strcmp(words[3], "root") == 0)) { - //char *type = words[1]; // the class: htb, fq_codel, etc - - // we are only interested for HTB classes - //if(strcmp(type, "htb") != 0) continue; - - char *id = words[2]; // the class major:minor - char *parent = words[3]; // 'parent' or 'root' - char *parentid = words[4]; // the parent's id - char *leaf = words[5]; // 'leaf' - char *leafid = words[6]; // leafid - - if(strcmp(parent, "root") == 0) { - 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, parentid, leafid); - } - } - else if(first_hash == END_HASH && strcmp(words[0], "END") == 0) { - // debug(D_TC_LOOP, "END line"); - - if(device) { - if(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL) != 0) - error("Cannot set pthread cancel state to DISABLE."); - - tc_device_commit(device); - // tc_device_free(device); - device = NULL; - class = NULL; - - if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0) - error("Cannot set pthread cancel state to ENABLE."); - } - } - else if(first_hash == BEGIN_HASH && strcmp(words[0], "BEGIN") == 0) { - // debug(D_TC_LOOP, "BEGIN line on device '%s'", words[1]); - - if(device) { - // tc_device_free(device); - device = NULL; - class = NULL; - } - - if(words[1] && *words[1]) { - device = tc_device_create(words[1]); - class = NULL; - } - } - else if(device && class && first_hash == SENT_HASH && strcmp(words[0], "Sent") == 0) { - // debug(D_TC_LOOP, "SENT line '%s'", words[1]); - if(words[1] && *words[1]) { - class->bytes = strtoull(words[1], NULL, 10); - class->updated = 1; - } - - if(words[3] && *words[3]) - class->packets = strtoull(words[3], NULL, 10); - - if(words[6] && *words[6]) - class->dropped = strtoull(words[6], NULL, 10); - - if(words[8] && *words[8]) - class->overlimits = strtoull(words[8], NULL, 10); - - if(words[10] && *words[10]) - class->requeues = strtoull(words[8], NULL, 10); - } - else if(device && class && class->updated && first_hash == LENDED_HASH && strcmp(words[0], "lended:") == 0) { - // debug(D_TC_LOOP, "LENDED line '%s'", words[1]); - if(words[1] && *words[1]) - class->lended = strtoull(words[1], NULL, 10); - - if(words[3] && *words[3]) - class->borrowed = strtoull(words[3], NULL, 10); - - if(words[5] && *words[5]) - class->giants = strtoull(words[5], NULL, 10); - } - else if(device && class && class->updated && first_hash == TOKENS_HASH && strcmp(words[0], "tokens:") == 0) { - // debug(D_TC_LOOP, "TOKENS line '%s'", words[1]); - if(words[1] && *words[1]) - class->tokens = strtoull(words[1], NULL, 10); - - if(words[3] && *words[3]) - class->ctokens = strtoull(words[3], NULL, 10); - } - else if(device && first_hash == SETDEVICENAME_HASH && strcmp(words[0], "SETDEVICENAME") == 0) { - // debug(D_TC_LOOP, "SETDEVICENAME line '%s'", words[1]); - if(words[1] && *words[1]) tc_device_set_device_name(device, words[1]); - } - else if(device && first_hash == SETDEVICEGROUP_HASH && strcmp(words[0], "SETDEVICEGROUP") == 0) { - // debug(D_TC_LOOP, "SETDEVICEGROUP line '%s'", words[1]); - if(words[1] && *words[1]) tc_device_set_device_family(device, words[1]); - } - else if(device && first_hash == SETCLASSNAME_HASH && strcmp(words[0], "SETCLASSNAME") == 0) { - // debug(D_TC_LOOP, "SETCLASSNAME line '%s' '%s'", words[1], words[2]); - char *id = words[1]; - char *path = words[2]; - if(id && *id && path && *path) tc_device_set_class_name(device, id, path); - } - else if(first_hash == WORKTIME_HASH && strcmp(words[0], "WORKTIME") == 0) { - // debug(D_TC_LOOP, "WORKTIME line '%s' '%s'", words[1], words[2]); - getrusage(RUSAGE_THREAD, &thread); - - if(!stcpu) stcpu = rrdset_find("netdata.plugin_tc_cpu"); - if(!stcpu) { - stcpu = rrdset_create("netdata", "plugin_tc_cpu", NULL, "tc.helper", NULL, "NetData TC CPU usage", "milliseconds/s", 135000, rrd_update_every, RRDSET_TYPE_STACKED); - rrddim_add(stcpu, "user", NULL, 1, 1000, RRDDIM_INCREMENTAL); - rrddim_add(stcpu, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL); - } - else rrdset_next(stcpu); - - rrddim_set(stcpu, "user" , thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec); - rrddim_set(stcpu, "system", thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec); - rrdset_done(stcpu); - - if(!sttime) stcpu = rrdset_find("netdata.plugin_tc_time"); - if(!sttime) { - sttime = rrdset_create("netdata", "plugin_tc_time", NULL, "tc.helper", NULL, "NetData TC script execution", "milliseconds/run", 135001, rrd_update_every, RRDSET_TYPE_AREA); - rrddim_add(sttime, "run_time", "run time", 1, 1, RRDDIM_ABSOLUTE); - } - else rrdset_next(sttime); - - rrddim_set(sttime, "run_time", atoll(words[1])); - rrdset_done(sttime); - - } + uint32_t first_hash; + + snprintfz(buffer, TC_LINE_MAX, "%s/tc-qos-helper.sh", netdata_configured_plugins_dir); + char *tc_script = config_get("plugin:tc", "script to run to get tc values", buffer); + + for(;1;) { + if(unlikely(netdata_exit)) break; + + FILE *fp; + struct tc_device *device = NULL; + struct tc_class *class = NULL; + + snprintfz(buffer, TC_LINE_MAX, "exec %s %d", tc_script, localhost->rrd_update_every); + debug(D_TC_LOOP, "executing '%s'", buffer); + + fp = mypopen(buffer, (pid_t *)&tc_child_pid); + if(unlikely(!fp)) { + error("TC: Cannot popen(\"%s\", \"r\").", buffer); + goto cleanup; + } + + while(fgets(buffer, TC_LINE_MAX, fp) != NULL) { + if(unlikely(netdata_exit)) break; + + buffer[TC_LINE_MAX] = '\0'; + // debug(D_TC_LOOP, "TC: read '%s'", buffer); + + tc_split_words(buffer, words, MAX_WORDS); + + if(unlikely(!words[0] || !*words[0])) { + // debug(D_TC_LOOP, "empty line"); + continue; + } + // else 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)))) { + // 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))) { + char qdisc = 0; + + if(first_hash == QDISC_HASH) { + qdisc = 1; + + if(!strcmp(type, "ingress")) { + // we don't want to get the ingress qdisc + // there should be an IFB interface for this + + class = NULL; + 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)) { + // debug(D_TC_LOOP, "END line"); + + if(likely(device)) { + if(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL) != 0) + error("Cannot set pthread cancel state to DISABLE."); + + tc_device_commit(device); + // tc_device_free(device); + + if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0) + error("Cannot set pthread cancel state to ENABLE."); + } + + device = NULL; + class = NULL; + } + else if(unlikely(first_hash == BEGIN_HASH && strcmp(words[0], "BEGIN") == 0)) { + // 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)) { + // debug(D_TC_LOOP, "SENT line '%s'", words[1]); + if(likely(words[1] && *words[1])) { + class->bytes = str2ull(words[1]); + class->updated = 1; + } + else { + class->updated = 0; + } + + if(likely(words[3] && *words[3])) + class->packets = str2ull(words[3]); + + if(likely(words[6] && *words[6])) + class->dropped = str2ull(words[6]); + + 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)) { + // 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)) { + // debug(D_TC_LOOP, "TOKENS line '%s'", words[1]); + if(likely(words[1] && *words[1])) + class->tokens = str2ull(words[1]); + + if(likely(words[3] && *words[3])) + class->ctokens = str2ull(words[3]); + } + else if(unlikely(device && first_hash == SETDEVICENAME_HASH && strcmp(words[0], "SETDEVICENAME") == 0)) { + // 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)) { + // 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)) { + // 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)) { + // debug(D_TC_LOOP, "WORKTIME line '%s' '%s'", words[1], words[2]); + getrusage(RUSAGE_THREAD, &thread); + + if(unlikely(!stcpu)) stcpu = rrdset_find_localhost("netdata.plugin_tc_cpu"); + if(unlikely(!stcpu)) { + stcpu = rrdset_create_localhost("netdata", "plugin_tc_cpu", NULL, "tc.helper", NULL + , "NetData TC CPU usage", "milliseconds/s", 135000, localhost->rrd_update_every + , RRDSET_TYPE_STACKED); + rrddim_add(stcpu, "user", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL); + rrddim_add(stcpu, "system", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL); + } + else rrdset_next(stcpu); + + rrddim_set(stcpu, "user" , thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec); + rrddim_set(stcpu, "system", thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec); + rrdset_done(stcpu); + + if(unlikely(!sttime)) sttime = rrdset_find_localhost("netdata.plugin_tc_time"); + if(unlikely(!sttime)) { + sttime = rrdset_create_localhost("netdata", "plugin_tc_time", NULL, "tc.helper", NULL + , "NetData TC script execution", "milliseconds/run", 135001 + , localhost->rrd_update_every, RRDSET_TYPE_AREA); + rrddim_add(sttime, "run_time", "run time", 1, 1, RRD_ALGORITHM_ABSOLUTE); + } + else rrdset_next(sttime); + + rrddim_set(sttime, "run_time", atoll(words[1])); + rrdset_done(sttime); + + } #ifdef DETACH_PLUGINS_FROM_NETDATA - else if(first_hash == MYPID_HASH && (strcmp(words[0], "MYPID") == 0)) { - // debug(D_TC_LOOP, "MYPID line '%s'", words[1]); - char *id = words[1]; - pid_t pid = atol(id); + else if(unlikely(first_hash == MYPID_HASH && (strcmp(words[0], "MYPID") == 0))) { + // debug(D_TC_LOOP, "MYPID line '%s'", words[1]); + char *id = words[1]; + pid_t pid = atol(id); - if(pid) tc_child_pid = pid; + if(likely(pid)) tc_child_pid = pid; - debug(D_TC_LOOP, "TC: Child PID is %d.", tc_child_pid); - } + debug(D_TC_LOOP, "TC: Child PID is %d.", tc_child_pid); + } #endif - //else { - // debug(D_TC_LOOP, "IGNORED line"); - //} - } - // fgets() failed or loop broke - int code = mypclose(fp, tc_child_pid); - tc_child_pid = 0; - - if(device) { - // tc_device_free(device); - device = NULL; - class = NULL; - } - - if(netdata_exit) { - tc_device_free_all(); - pthread_exit(NULL); - return NULL; - } - - if(code == 1 || code == 127) { - // 1 = DISABLE - // 127 = cannot even run it - error("TC: tc-qos-helper.sh exited with code %d. Disabling it.", code); - - tc_device_free_all(); - pthread_exit(NULL); - return NULL; - } - - sleep((unsigned int) rrd_update_every); - } - - pthread_exit(NULL); - return NULL; + //else { + // debug(D_TC_LOOP, "IGNORED line"); + //} + } + + // fgets() failed or loop broke + int code = mypclose(fp, (pid_t)tc_child_pid); + tc_child_pid = 0; + + if(unlikely(device)) { + // tc_device_free(device); + device = NULL; + class = NULL; + } + + if(unlikely(netdata_exit)) { + tc_device_free_all(); + goto cleanup; + } + + if(code == 1 || code == 127) { + // 1 = DISABLE + // 127 = cannot even run it + error("TC: tc-qos-helper.sh exited with code %d. Disabling it.", code); + + tc_device_free_all(); + goto cleanup; + } + + sleep((unsigned int) localhost->rrd_update_every); + } + +cleanup: + info("TC thread exiting"); + + static_thread->enabled = 0; + pthread_exit(NULL); + return NULL; }