3 #define RRD_TYPE_TC "tc"
4 #define RRD_TYPE_TC_LEN strlen(RRD_TYPE_TC)
6 // ----------------------------------------------------------------------------
8 // this requires the script plugins.d/tc-qos-helper.sh
10 #define TC_LINE_MAX 1024
28 unsigned long long bytes;
29 unsigned long long packets;
30 unsigned long long dropped;
31 unsigned long long overlimits;
32 unsigned long long requeues;
33 unsigned long long lended;
34 unsigned long long borrowed;
35 unsigned long long giants;
36 unsigned long long tokens;
37 unsigned long long ctokens;
46 char updated; // updated bytes
47 int seen; // seen in the tc list (even without bytes)
49 struct tc_class *next;
50 struct tc_class *prev;
78 avl_tree classes_index;
80 struct tc_class *classes;
82 struct tc_device *next;
83 struct tc_device *prev;
87 struct tc_device *tc_device_root = NULL;
89 // ----------------------------------------------------------------------------
92 static int tc_device_compare(void* a, void* b) {
93 if(((struct tc_device *)a)->hash < ((struct tc_device *)b)->hash) return -1;
94 else if(((struct tc_device *)a)->hash > ((struct tc_device *)b)->hash) return 1;
95 else return strcmp(((struct tc_device *)a)->id, ((struct tc_device *)b)->id);
98 avl_tree tc_device_root_index = {
103 #define tc_device_index_add(st) avl_insert(&tc_device_root_index, (avl *)(st))
104 #define tc_device_index_del(st) avl_remove(&tc_device_root_index, (avl *)(st))
106 static inline struct tc_device *tc_device_index_find(const char *id, uint32_t hash) {
107 struct tc_device tmp;
109 tmp.hash = (hash)?hash:simple_hash(tmp.id);
111 return (struct tc_device *)avl_search(&(tc_device_root_index), (avl *)&tmp);
115 // ----------------------------------------------------------------------------
118 static int tc_class_compare(void* a, void* b) {
119 if(((struct tc_class *)a)->hash < ((struct tc_class *)b)->hash) return -1;
120 else if(((struct tc_class *)a)->hash > ((struct tc_class *)b)->hash) return 1;
121 else return strcmp(((struct tc_class *)a)->id, ((struct tc_class *)b)->id);
124 #define tc_class_index_add(st, rd) avl_insert(&((st)->classes_index), (avl *)(rd))
125 #define tc_class_index_del(st, rd) avl_remove(&((st)->classes_index), (avl *)(rd))
127 static inline struct tc_class *tc_class_index_find(struct tc_device *st, const char *id, uint32_t hash) {
130 tmp.hash = (hash)?hash:simple_hash(tmp.id);
132 return (struct tc_class *)avl_search(&(st->classes_index), (avl *) &tmp);
135 // ----------------------------------------------------------------------------
137 static inline void tc_class_free(struct tc_device *n, struct tc_class *c) {
138 if(c == n->classes) {
140 n->classes = c->next;
142 n->classes = c->prev;
144 if(c->next) c->next->prev = c->prev;
145 if(c->prev) c->prev->next = c->next;
147 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);
149 tc_class_index_del(n, c);
158 static inline void tc_device_classes_cleanup(struct tc_device *d) {
159 static int cleanup_every = 999;
161 if(unlikely(cleanup_every > 0)) {
162 cleanup_every = (int) config_get_number("plugin:tc", "cleanup unused classes every", 60);
163 if(cleanup_every < 0) cleanup_every = -cleanup_every;
167 d->family_updated = 0;
169 struct tc_class *c = d->classes;
171 if(unlikely(cleanup_every > 0 && c->seen >= cleanup_every)) {
172 struct tc_class *nc = c->next;
185 static inline void tc_device_commit(struct tc_device *d) {
186 static int enable_new_interfaces = -1, enable_bytes = -1, enable_packets = -1, enable_dropped = -1, enable_tokens = -1, enable_ctokens = -1;
188 if(unlikely(enable_new_interfaces == -1)) {
189 enable_new_interfaces = config_get_boolean_ondemand("plugin:tc", "enable new interfaces detected at runtime", CONFIG_ONDEMAND_YES);
190 enable_bytes = config_get_boolean_ondemand("plugin:tc", "enable traffic charts for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
191 enable_packets = config_get_boolean_ondemand("plugin:tc", "enable packets charts for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
192 enable_dropped = config_get_boolean_ondemand("plugin:tc", "enable dropped charts for all interfaces", CONFIG_ONDEMAND_ONDEMAND);
193 enable_tokens = config_get_boolean_ondemand("plugin:tc", "enable tokens charts for all interfaces", CONFIG_ONDEMAND_NO);
194 enable_ctokens = config_get_boolean_ondemand("plugin:tc", "enable ctokens charts for all interfaces", CONFIG_ONDEMAND_NO);
197 // we only need to add leaf classes
198 struct tc_class *c, *x;
199 unsigned long long bytes_sum = 0, packets_sum = 0, dropped_sum = 0, tokens_sum = 0, ctokens_sum = 0;
200 int active_classes = 0;
203 for(c = d->classes ; c ; c = c->next) {
208 // mark the classes as leafs and parents
209 for(c = d->classes ; c ; c = c->next) {
210 if(unlikely(!c->updated)) continue;
212 for(x = d->classes ; x ; x = x->next) {
213 if(unlikely(!x->updated)) continue;
215 if(unlikely(c == x)) continue;
218 ( c->hash == x->parent_hash && strcmp(c->id, x->parentid) == 0) ||
219 (c->leafid && c->leaf_hash == x->parent_hash && strcmp(c->leafid, x->parentid) == 0))) {
220 // 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);
229 if(unlikely(debug_flags & D_TC_LOOP)) {
230 for(c = d->classes ; c ; c = c->next) {
231 if(c->isleaf && c->hasparent) debug(D_TC_LOOP, "TC: Device '%s', class %s, OK", d->name, c->id);
232 else debug(D_TC_LOOP, "TC: Device '%s', class %s, IGNORE (isleaf: %d, hasparent: %d, parent: %s)", d->name?d->name:d->id, c->id, c->isleaf, c->hasparent, c->parentid?c->parentid:"(unset)");
237 // we need at least a class
238 for(c = d->classes ; c ; c = c->next) {
239 // 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);
240 if(unlikely(c->updated && c->isleaf && c->hasparent)) {
242 bytes_sum += c->bytes;
243 packets_sum += c->packets;
244 dropped_sum += c->dropped;
245 tokens_sum += c->tokens;
246 ctokens_sum += c->ctokens;
250 if(unlikely(!active_classes)) {
251 debug(D_TC_LOOP, "TC: Ignoring TC device '%s'. No leaf classes.", d->name?d->name:d->id);
252 tc_device_classes_cleanup(d);
256 if(unlikely(d->enabled == (char)-1)) {
257 char var_name[CONFIG_MAX_NAME + 1];
258 snprintfz(var_name, CONFIG_MAX_NAME, "qos for %s", d->id);
259 d->enabled = config_get_boolean_ondemand("plugin:tc", var_name, enable_new_interfaces);
261 snprintfz(var_name, CONFIG_MAX_NAME, "traffic chart for %s", d->id);
262 d->enabled_bytes = config_get_boolean_ondemand("plugin:tc", var_name, enable_bytes);
264 snprintfz(var_name, CONFIG_MAX_NAME, "packets chart for %s", d->id);
265 d->enabled_packets = config_get_boolean_ondemand("plugin:tc", var_name, enable_packets);
267 snprintfz(var_name, CONFIG_MAX_NAME, "dropped packets chart for %s", d->id);
268 d->enabled_dropped = config_get_boolean_ondemand("plugin:tc", var_name, enable_dropped);
270 snprintfz(var_name, CONFIG_MAX_NAME, "tokens chart for %s", d->id);
271 d->enabled_tokens = config_get_boolean_ondemand("plugin:tc", var_name, enable_tokens);
273 snprintfz(var_name, CONFIG_MAX_NAME, "ctokens chart for %s", d->id);
274 d->enabled_ctokens = config_get_boolean_ondemand("plugin:tc", var_name, enable_ctokens);
277 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), classes = %d (bytes = %llu, packets = %llu, dropped = %llu, tokens = %llu, ctokens = %llu).",
278 d->name?d->name:d->id,
279 d->enabled, enable_new_interfaces,
280 d->enabled_bytes, enable_bytes,
281 d->enabled_packets, enable_packets,
282 d->enabled_dropped, enable_dropped,
283 d->enabled_tokens, enable_tokens,
284 d->enabled_ctokens, enable_ctokens,
293 if(likely(d->enabled)) {
294 // --------------------------------------------------------------------
297 if(d->enabled_bytes == CONFIG_ONDEMAND_YES || (d->enabled_bytes == CONFIG_ONDEMAND_ONDEMAND && bytes_sum)) {
298 d->enabled_bytes = CONFIG_ONDEMAND_YES;
300 if(unlikely(!d->st_bytes)) {
301 d->st_bytes = rrdset_find_bytype(RRD_TYPE_TC, d->id);
302 if(unlikely(!d->st_bytes)) {
303 debug(D_TC_LOOP, "TC: Creating new chart for device '%s'", d->name?d->name:d->id);
304 d->st_bytes = 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);
308 debug(D_TC_LOOP, "TC: Updating chart for device '%s'", d->name?d->name:d->id);
309 rrdset_next_plugins(d->st_bytes);
311 if(unlikely(d->name_updated && d->name && strcmp(d->id, d->name) != 0)) {
312 rrdset_set_name(d->st_bytes, d->name);
320 for(c = d->classes ; c ; c = c->next) {
321 if(unlikely(!c->updated)) continue;
323 if(c->isleaf && c->hasparent) {
326 if(unlikely(!c->rd_bytes)) {
327 c->rd_bytes = rrddim_find(d->st_bytes, c->id);
328 if(unlikely(!c->rd_bytes)) {
329 debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s' (name: '%s')", d->st_bytes->id, c->id, c->name);
331 // new class, we have to add it
332 c->rd_bytes = rrddim_add(d->st_bytes, c->id, c->name?c->name:c->id, 8, 1024, RRDDIM_INCREMENTAL);
334 else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", d->st_bytes->id, c->id);
337 rrddim_set_by_pointer(d->st_bytes, c->rd_bytes, c->bytes);
339 // if it has a name, different to the id
340 if(unlikely(c->name_updated && c->name && strcmp(c->id, c->name) != 0)) {
341 // update the rrd dimension with the new name
342 debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", d->st_bytes->id, c->rd_bytes->id, c->name);
343 rrddim_set_name(d->st_bytes, c->rd_bytes, c->name);
347 rrdset_done(d->st_bytes);
350 // --------------------------------------------------------------------
353 if(d->enabled_packets == CONFIG_ONDEMAND_YES || (d->enabled_packets == CONFIG_ONDEMAND_ONDEMAND && packets_sum)) {
354 d->enabled_packets = CONFIG_ONDEMAND_YES;
356 if(unlikely(!d->st_packets)) {
357 char id[RRD_ID_LENGTH_MAX + 1];
358 char name[RRD_ID_LENGTH_MAX + 1];
359 snprintfz(id, RRD_ID_LENGTH_MAX, "%s_packets", d->id);
360 snprintfz(name, RRD_ID_LENGTH_MAX, "%s_packets", d->name?d->name:d->id);
362 d->st_packets = rrdset_find_bytype(RRD_TYPE_TC, id);
363 if(unlikely(!d->st_packets)) {
364 debug(D_TC_LOOP, "TC: Creating new _packets chart for device '%s'", d->name?d->name:d->id);
365 d->st_packets = rrdset_create(RRD_TYPE_TC, id, name, d->family?d->family:d->id, RRD_TYPE_TC ".qos_packets", "Class Packets", "packets/s", 7010, rrd_update_every, RRDSET_TYPE_STACKED);
369 debug(D_TC_LOOP, "TC: Updating _packets chart for device '%s'", d->name?d->name:d->id);
370 rrdset_next_plugins(d->st_packets);
376 for(c = d->classes ; c ; c = c->next) {
377 if(unlikely(!c->updated)) continue;
379 if(c->isleaf && c->hasparent) {
380 if(unlikely(!c->rd_packets)) {
381 c->rd_packets = rrddim_find(d->st_packets, c->id);
382 if(unlikely(!c->rd_packets)) {
383 debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s' (name: '%s')", d->st_packets->id, c->id, c->name);
385 // new class, we have to add it
386 c->rd_packets = rrddim_add(d->st_packets, c->id, c->name?c->name:c->id, 1, 1, RRDDIM_INCREMENTAL);
388 else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", d->st_packets->id, c->id);
391 rrddim_set_by_pointer(d->st_packets, c->rd_packets, c->packets);
393 // if it has a name, different to the id
394 if(unlikely(c->name_updated && c->name && strcmp(c->id, c->name) != 0)) {
395 // update the rrd dimension with the new name
396 debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", d->st_packets->id, c->rd_packets->id, c->name);
397 rrddim_set_name(d->st_packets, c->rd_packets, c->name);
401 rrdset_done(d->st_packets);
404 // --------------------------------------------------------------------
407 if(d->enabled_dropped == CONFIG_ONDEMAND_YES || (d->enabled_dropped == CONFIG_ONDEMAND_ONDEMAND && dropped_sum)) {
408 d->enabled_dropped = CONFIG_ONDEMAND_YES;
410 if(unlikely(!d->st_dropped)) {
411 char id[RRD_ID_LENGTH_MAX + 1];
412 char name[RRD_ID_LENGTH_MAX + 1];
413 snprintfz(id, RRD_ID_LENGTH_MAX, "%s_dropped", d->id);
414 snprintfz(name, RRD_ID_LENGTH_MAX, "%s_dropped", d->name?d->name:d->id);
416 d->st_dropped = rrdset_find_bytype(RRD_TYPE_TC, id);
417 if(unlikely(!d->st_dropped)) {
418 debug(D_TC_LOOP, "TC: Creating new _dropped chart for device '%s'", d->name?d->name:d->id);
419 d->st_dropped = rrdset_create(RRD_TYPE_TC, id, name, d->family?d->family:d->id, RRD_TYPE_TC ".qos_dropped", "Class Dropped Packets", "packets/s", 7020, rrd_update_every, RRDSET_TYPE_STACKED);
423 debug(D_TC_LOOP, "TC: Updating _dropped chart for device '%s'", d->name?d->name:d->id);
424 rrdset_next_plugins(d->st_dropped);
430 for(c = d->classes ; c ; c = c->next) {
431 if(unlikely(!c->updated)) continue;
433 if(c->isleaf && c->hasparent) {
434 if(unlikely(!c->rd_dropped)) {
435 c->rd_dropped = rrddim_find(d->st_dropped, c->id);
436 if(unlikely(!c->rd_dropped)) {
437 debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s' (name: '%s')", d->st_dropped->id, c->id, c->name);
439 // new class, we have to add it
440 c->rd_dropped = rrddim_add(d->st_dropped, c->id, c->name?c->name:c->id, 1, 1, RRDDIM_INCREMENTAL);
442 else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", d->st_dropped->id, c->id);
445 rrddim_set_by_pointer(d->st_dropped, c->rd_dropped, c->dropped);
447 // if it has a name, different to the id
448 if(unlikely(c->name_updated && c->name && strcmp(c->id, c->name) != 0)) {
449 // update the rrd dimension with the new name
450 debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", d->st_dropped->id, c->rd_dropped->id, c->name);
451 rrddim_set_name(d->st_dropped, c->rd_dropped, c->name);
455 rrdset_done(d->st_dropped);
458 // --------------------------------------------------------------------
461 if(d->enabled_tokens == CONFIG_ONDEMAND_YES || (d->enabled_tokens == CONFIG_ONDEMAND_ONDEMAND && tokens_sum)) {
462 d->enabled_tokens = CONFIG_ONDEMAND_YES;
464 if(unlikely(!d->st_tokens)) {
465 char id[RRD_ID_LENGTH_MAX + 1];
466 char name[RRD_ID_LENGTH_MAX + 1];
467 snprintfz(id, RRD_ID_LENGTH_MAX, "%s_tokens", d->id);
468 snprintfz(name, RRD_ID_LENGTH_MAX, "%s_tokens", d->name?d->name:d->id);
470 d->st_tokens = rrdset_find_bytype(RRD_TYPE_TC, id);
471 if(unlikely(!d->st_tokens)) {
472 debug(D_TC_LOOP, "TC: Creating new _tokens chart for device '%s'", d->name?d->name:d->id);
473 d->st_tokens = rrdset_create(RRD_TYPE_TC, id, name, d->family?d->family:d->id, RRD_TYPE_TC ".qos_tokens", "Class Tokens", "tokens", 7030, rrd_update_every, RRDSET_TYPE_LINE);
477 debug(D_TC_LOOP, "TC: Updating _tokens chart for device '%s'", d->name?d->name:d->id);
478 rrdset_next_plugins(d->st_tokens);
484 for(c = d->classes ; c ; c = c->next) {
485 if(unlikely(!c->updated)) continue;
487 if(c->isleaf && c->hasparent) {
488 if(unlikely(!c->rd_tokens)) {
489 c->rd_tokens = rrddim_find(d->st_tokens, c->id);
490 if(unlikely(!c->rd_tokens)) {
491 debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s' (name: '%s')", d->st_tokens->id, c->id, c->name);
493 // new class, we have to add it
494 c->rd_tokens = rrddim_add(d->st_tokens, c->id, c->name?c->name:c->id, 1, 1, RRDDIM_ABSOLUTE);
496 else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", d->st_tokens->id, c->id);
499 rrddim_set_by_pointer(d->st_tokens, c->rd_tokens, c->tokens);
501 // if it has a name, different to the id
502 if(unlikely(c->name_updated && c->name && strcmp(c->id, c->name) != 0)) {
503 // update the rrd dimension with the new name
504 debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", d->st_tokens->id, c->rd_tokens->id, c->name);
505 rrddim_set_name(d->st_tokens, c->rd_tokens, c->name);
509 rrdset_done(d->st_tokens);
512 // --------------------------------------------------------------------
515 if(d->enabled_ctokens == CONFIG_ONDEMAND_YES || (d->enabled_ctokens == CONFIG_ONDEMAND_ONDEMAND && ctokens_sum)) {
516 d->enabled_ctokens = CONFIG_ONDEMAND_YES;
518 if(unlikely(!d->st_ctokens)) {
519 char id[RRD_ID_LENGTH_MAX + 1];
520 char name[RRD_ID_LENGTH_MAX + 1];
521 snprintfz(id, RRD_ID_LENGTH_MAX, "%s_ctokens", d->id);
522 snprintfz(name, RRD_ID_LENGTH_MAX, "%s_ctokens", d->name?d->name:d->id);
524 d->st_ctokens = rrdset_find_bytype(RRD_TYPE_TC, id);
525 if(unlikely(!d->st_ctokens)) {
526 debug(D_TC_LOOP, "TC: Creating new _ctokens chart for device '%s'", d->name?d->name:d->id);
527 d->st_ctokens = rrdset_create(RRD_TYPE_TC, id, name, d->family?d->family:d->id, RRD_TYPE_TC ".qos_ctokens", "Class cTokens", "ctokens", 7040, rrd_update_every, RRDSET_TYPE_LINE);
531 debug(D_TC_LOOP, "TC: Updating _ctokens chart for device '%s'", d->name?d->name:d->id);
532 rrdset_next_plugins(d->st_ctokens);
538 for(c = d->classes ; c ; c = c->next) {
539 if(unlikely(!c->updated)) continue;
541 if(c->isleaf && c->hasparent) {
542 if(unlikely(!c->rd_ctokens)) {
543 c->rd_ctokens = rrddim_find(d->st_ctokens, c->id);
544 if(unlikely(!c->rd_ctokens)) {
545 debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%s' (name: '%s')", d->st_ctokens->id, c->id, c->name);
547 // new class, we have to add it
548 c->rd_ctokens = rrddim_add(d->st_ctokens, c->id, c->name?c->name:c->id, 1, 1, RRDDIM_ABSOLUTE);
550 else debug(D_TC_LOOP, "TC: Updating chart '%s', dimension '%s'", d->st_ctokens->id, c->id);
553 rrddim_set_by_pointer(d->st_ctokens, c->rd_ctokens, c->ctokens);
555 // if it has a name, different to the id
556 if(unlikely(c->name_updated && c->name && strcmp(c->id, c->name) != 0)) {
557 // update the rrd dimension with the new name
558 debug(D_TC_LOOP, "TC: Setting chart '%s', dimension '%s' name to '%s'", d->st_ctokens->id, c->rd_ctokens->id, c->name);
559 rrddim_set_name(d->st_ctokens, c->rd_ctokens, c->name);
563 rrdset_done(d->st_ctokens);
567 tc_device_classes_cleanup(d);
570 static inline void tc_device_set_class_name(struct tc_device *d, char *id, char *name)
572 struct tc_class *c = tc_class_index_find(d, id, 0);
577 if(likely(name && *name && strcmp(c->id, name) != 0)) {
578 debug(D_TC_LOOP, "TC: Setting device '%s', class '%s' name to '%s'", d->id, id, name);
579 c->name = strdupz(name);
585 static inline void tc_device_set_device_name(struct tc_device *d, char *name) {
589 if(likely(name && *name && strcmp(d->id, name) != 0)) {
590 debug(D_TC_LOOP, "TC: Setting device '%s' name to '%s'", d->id, name);
591 d->name = strdupz(name);
596 static inline void tc_device_set_device_family(struct tc_device *d, char *family) {
600 if(likely(family && *family && strcmp(d->id, family) != 0)) {
601 debug(D_TC_LOOP, "TC: Setting device '%s' family to '%s'", d->id, family);
602 d->family = strdupz(family);
603 d->family_updated = 1;
605 // no need for null termination - it is already null
608 static inline struct tc_device *tc_device_create(char *id)
610 struct tc_device *d = tc_device_index_find(id, 0);
613 debug(D_TC_LOOP, "TC: Creating device '%s'", id);
615 d = callocz(1, sizeof(struct tc_device));
618 d->hash = simple_hash(d->id);
619 d->enabled = (char)-1;
621 avl_init(&d->classes_index, tc_class_compare);
622 tc_device_index_add(d);
624 if(!tc_device_root) {
628 d->next = tc_device_root;
629 tc_device_root->prev = d;
637 static inline struct tc_class *tc_class_add(struct tc_device *n, char *id, char *parentid, char *leafid)
639 struct tc_class *c = tc_class_index_find(n, id, 0);
642 debug(D_TC_LOOP, "TC: Creating in device '%s', class id '%s', parentid '%s', leafid '%s'", n->id, id, parentid?parentid:"", leafid?leafid:"");
644 c = callocz(1, sizeof(struct tc_class));
646 if(n->classes) n->classes->prev = c;
647 c->next = n->classes;
651 c->hash = simple_hash(c->id);
653 if(parentid && *parentid) {
654 c->parentid = strdupz(parentid);
655 c->parent_hash = simple_hash(c->parentid);
658 if(leafid && *leafid) {
659 c->leafid = strdupz(leafid);
660 c->leaf_hash = simple_hash(c->leafid);
663 tc_class_index_add(n, c);
671 static inline void tc_device_free(struct tc_device *n)
673 if(n->next) n->next->prev = n->prev;
674 if(n->prev) n->prev->next = n->next;
675 if(tc_device_root == n) {
676 if(n->next) tc_device_root = n->next;
677 else tc_device_root = n->prev;
680 tc_device_index_del(n);
682 while(n->classes) tc_class_free(n, n->classes);
690 static inline void tc_device_free_all()
692 while(tc_device_root)
693 tc_device_free(tc_device_root);
698 static inline int tc_space(char c) {
711 static inline void tc_split_words(char *str, char **words, int max_words) {
715 // skip all white space
716 while(tc_space(*s)) s++;
718 // store the first word
721 // while we have something
724 if(unlikely(tc_space(*s))) {
726 // terminate the word
729 // skip all white space
730 while(tc_space(*s)) s++;
732 // if we reached the end, stop
735 // store the next word
736 if(i < max_words) words[i++] = s;
742 // terminate the words
743 while(i < max_words) words[i++] = NULL;
746 pid_t tc_child_pid = 0;
747 void *tc_main(void *ptr) {
750 info("TC thread created with task id %d", gettid());
752 if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
753 error("Cannot set pthread cancel type to DEFERRED.");
755 if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
756 error("Cannot set pthread cancel state to ENABLE.");
758 struct rusage thread;
759 RRDSET *stcpu = NULL, *sttime = NULL;
761 char buffer[TC_LINE_MAX+1] = "";
762 char *words[MAX_WORDS] = { NULL };
764 uint32_t BEGIN_HASH = simple_hash("BEGIN");
765 uint32_t END_HASH = simple_hash("END");
766 uint32_t CLASS_HASH = simple_hash("class");
767 uint32_t SENT_HASH = simple_hash("Sent");
768 uint32_t LENDED_HASH = simple_hash("lended:");
769 uint32_t TOKENS_HASH = simple_hash("tokens:");
770 uint32_t SETDEVICENAME_HASH = simple_hash("SETDEVICENAME");
771 uint32_t SETDEVICEGROUP_HASH = simple_hash("SETDEVICEGROUP");
772 uint32_t SETCLASSNAME_HASH = simple_hash("SETCLASSNAME");
773 uint32_t WORKTIME_HASH = simple_hash("WORKTIME");
774 #ifdef DETACH_PLUGINS_FROM_NETDATA
775 uint32_t MYPID_HASH = simple_hash("MYPID");
779 snprintfz(buffer, TC_LINE_MAX, "%s/tc-qos-helper.sh", config_get("plugins", "plugins directory", PLUGINS_DIR));
780 char *tc_script = config_get("plugin:tc", "script to run to get tc values", buffer);
783 if(unlikely(netdata_exit)) break;
786 struct tc_device *device = NULL;
787 struct tc_class *class = NULL;
789 snprintfz(buffer, TC_LINE_MAX, "exec %s %d", tc_script, rrd_update_every);
790 debug(D_TC_LOOP, "executing '%s'", buffer);
792 fp = mypopen(buffer, &tc_child_pid);
794 error("TC: Cannot popen(\"%s\", \"r\").", buffer);
799 while(fgets(buffer, TC_LINE_MAX, fp) != NULL) {
800 if(unlikely(netdata_exit)) break;
802 buffer[TC_LINE_MAX] = '\0';
803 // debug(D_TC_LOOP, "TC: read '%s'", buffer);
805 tc_split_words(buffer, words, MAX_WORDS);
807 if(unlikely(!words[0] || !*words[0])) {
808 // debug(D_TC_LOOP, "empty line");
811 // else debug(D_TC_LOOP, "First word is '%s'", words[0]);
813 first_hash = simple_hash(words[0]);
815 if(unlikely(device && first_hash == CLASS_HASH && strcmp(words[0], "class") == 0)) {
816 // 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]);
818 // words[1] : class type
820 // words[3] : parent or root
821 if(likely(words[1] && words[2] && words[3] && (strcmp(words[3], "parent") == 0 || strcmp(words[3], "root") == 0))) {
822 //char *type = words[1]; // the class: htb, fq_codel, etc
824 // we are only interested for HTB classes
825 //if(strcmp(type, "htb") != 0) continue;
827 char *id = words[2]; // the class major:minor
828 char *parent = words[3]; // 'parent' or 'root'
829 char *parentid = words[4]; // the parent's id
830 char *leaf = words[5]; // 'leaf'
831 char *leafid = words[6]; // leafid
833 if(strcmp(parent, "root") == 0) {
837 else if(!leaf || strcmp(leaf, "leaf") != 0)
840 char leafbuf[20 + 1] = "";
841 if(leafid && leafid[strlen(leafid) - 1] == ':') {
842 strncpyz(leafbuf, leafid, 20 - 1);
843 strcat(leafbuf, "1");
847 class = tc_class_add(device, id, parentid, leafid);
850 // clear the last class
854 else if(unlikely(first_hash == END_HASH && strcmp(words[0], "END") == 0)) {
855 // debug(D_TC_LOOP, "END line");
858 if(pthread_setcancelstate(PTHREAD_CANCEL_DISABLE, NULL) != 0)
859 error("Cannot set pthread cancel state to DISABLE.");
861 tc_device_commit(device);
862 // tc_device_free(device);
864 if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
865 error("Cannot set pthread cancel state to ENABLE.");
871 else if(unlikely(first_hash == BEGIN_HASH && strcmp(words[0], "BEGIN") == 0)) {
872 // debug(D_TC_LOOP, "BEGIN line on device '%s'", words[1]);
874 if(likely(words[1] && *words[1])) {
875 device = tc_device_create(words[1]);
878 // tc_device_free(device);
884 else if(unlikely(device && class && first_hash == SENT_HASH && strcmp(words[0], "Sent") == 0)) {
885 // debug(D_TC_LOOP, "SENT line '%s'", words[1]);
886 if(likely(words[1] && *words[1])) {
887 class->bytes = strtoull(words[1], NULL, 10);
894 if(likely(words[3] && *words[3]))
895 class->packets = strtoull(words[3], NULL, 10);
897 if(likely(words[6] && *words[6]))
898 class->dropped = strtoull(words[6], NULL, 10);
900 if(likely(words[8] && *words[8]))
901 class->overlimits = strtoull(words[8], NULL, 10);
903 if(likely(words[10] && *words[10]))
904 class->requeues = strtoull(words[8], NULL, 10);
906 else if(unlikely(device && class && class->updated && first_hash == LENDED_HASH && strcmp(words[0], "lended:") == 0)) {
907 // debug(D_TC_LOOP, "LENDED line '%s'", words[1]);
908 if(likely(words[1] && *words[1]))
909 class->lended = strtoull(words[1], NULL, 10);
911 if(likely(words[3] && *words[3]))
912 class->borrowed = strtoull(words[3], NULL, 10);
914 if(likely(words[5] && *words[5]))
915 class->giants = strtoull(words[5], NULL, 10);
917 else if(unlikely(device && class && class->updated && first_hash == TOKENS_HASH && strcmp(words[0], "tokens:") == 0)) {
918 // debug(D_TC_LOOP, "TOKENS line '%s'", words[1]);
919 if(likely(words[1] && *words[1]))
920 class->tokens = strtoull(words[1], NULL, 10);
922 if(likely(words[3] && *words[3]))
923 class->ctokens = strtoull(words[3], NULL, 10);
925 else if(unlikely(device && first_hash == SETDEVICENAME_HASH && strcmp(words[0], "SETDEVICENAME") == 0)) {
926 // debug(D_TC_LOOP, "SETDEVICENAME line '%s'", words[1]);
927 if(likely(words[1] && *words[1]))
928 tc_device_set_device_name(device, words[1]);
930 else if(unlikely(device && first_hash == SETDEVICEGROUP_HASH && strcmp(words[0], "SETDEVICEGROUP") == 0)) {
931 // debug(D_TC_LOOP, "SETDEVICEGROUP line '%s'", words[1]);
932 if(likely(words[1] && *words[1]))
933 tc_device_set_device_family(device, words[1]);
935 else if(unlikely(device && first_hash == SETCLASSNAME_HASH && strcmp(words[0], "SETCLASSNAME") == 0)) {
936 // debug(D_TC_LOOP, "SETCLASSNAME line '%s' '%s'", words[1], words[2]);
938 char *path = words[2];
939 if(likely(id && *id && path && *path))
940 tc_device_set_class_name(device, id, path);
942 else if(unlikely(first_hash == WORKTIME_HASH && strcmp(words[0], "WORKTIME") == 0)) {
943 // debug(D_TC_LOOP, "WORKTIME line '%s' '%s'", words[1], words[2]);
944 getrusage(RUSAGE_THREAD, &thread);
946 if(unlikely(!stcpu)) stcpu = rrdset_find("netdata.plugin_tc_cpu");
947 if(unlikely(!stcpu)) {
948 stcpu = rrdset_create("netdata", "plugin_tc_cpu", NULL, "tc.helper", NULL, "NetData TC CPU usage", "milliseconds/s", 135000, rrd_update_every, RRDSET_TYPE_STACKED);
949 rrddim_add(stcpu, "user", NULL, 1, 1000, RRDDIM_INCREMENTAL);
950 rrddim_add(stcpu, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL);
952 else rrdset_next(stcpu);
954 rrddim_set(stcpu, "user" , thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec);
955 rrddim_set(stcpu, "system", thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec);
958 if(unlikely(!sttime)) stcpu = rrdset_find("netdata.plugin_tc_time");
959 if(unlikely(!sttime)) {
960 sttime = rrdset_create("netdata", "plugin_tc_time", NULL, "tc.helper", NULL, "NetData TC script execution", "milliseconds/run", 135001, rrd_update_every, RRDSET_TYPE_AREA);
961 rrddim_add(sttime, "run_time", "run time", 1, 1, RRDDIM_ABSOLUTE);
963 else rrdset_next(sttime);
965 rrddim_set(sttime, "run_time", atoll(words[1]));
969 #ifdef DETACH_PLUGINS_FROM_NETDATA
970 else if(unlikely(first_hash == MYPID_HASH && (strcmp(words[0], "MYPID") == 0))) {
971 // debug(D_TC_LOOP, "MYPID line '%s'", words[1]);
973 pid_t pid = atol(id);
975 if(likely(pid)) tc_child_pid = pid;
977 debug(D_TC_LOOP, "TC: Child PID is %d.", tc_child_pid);
981 // debug(D_TC_LOOP, "IGNORED line");
985 // fgets() failed or loop broke
986 int code = mypclose(fp, tc_child_pid);
989 if(unlikely(device)) {
990 // tc_device_free(device);
995 if(unlikely(netdata_exit)) {
996 tc_device_free_all();
1001 if(code == 1 || code == 127) {
1003 // 127 = cannot even run it
1004 error("TC: tc-qos-helper.sh exited with code %d. Disabling it.", code);
1006 tc_device_free_all();
1011 sleep((unsigned int) rrd_update_every);