diff options
author | Costa Tsaousis <costa@tsaousis.gr> | 2018-10-15 23:16:42 +0300 |
---|---|---|
committer | GitHub <noreply@github.com> | 2018-10-15 23:16:42 +0300 |
commit | 8fbf817ef83b3524b15f908251909d9d6feb5532 (patch) | |
tree | 4c2d417b7392c907bbdbe355b8db361bd3741a02 /collectors/tc.plugin | |
parent | 1ad4f1bcfc691120102b57dbd426de0870abd76f (diff) |
modularized all source code (#4391)
* modularized all external plugins
* added README.md in plugins
* fixed title
* fixed typo
* relative link to external plugins
* external plugins configuration README
* added plugins link
* remove plugins link
* plugin names are links
* added links to external plugins
* removed unecessary spacing
* list to table
* added language
* fixed typo
* list to table on internal plugins
* added more documentation to internal plugins
* moved python, node, and bash code and configs into the external plugins
* added statsd README
* fix bug with corrupting config.h every 2nd compilation
* moved all config files together with their code
* more documentation
* diskspace info
* fixed broken links in apps.plugin
* added backends docs
* updated plugins readme
* move nc-backend.sh to backends
* created daemon directory
* moved all code outside src/
* fixed readme identation
* renamed plugins.d.plugin to plugins.d
* updated readme
* removed linux- from linux plugins
* updated readme
* updated readme
* updated readme
* updated readme
* updated readme
* updated readme
* fixed README.md links
* fixed netdata tree links
* updated codacy, codeclimate and lgtm excluded paths
* update CMakeLists.txt
* updated automake options at top directory
* libnetdata slit into directories
* updated READMEs
* updated READMEs
* updated ARL docs
* updated ARL docs
* moved /plugins to /collectors
* moved all external plugins outside plugins.d
* updated codacy, codeclimate, lgtm
* updated README
* updated url
* updated readme
* updated readme
* updated readme
* updated readme
* moved api and web into webserver
* web/api web/gui web/server
* modularized webserver
* removed web/gui/version.txt
Diffstat (limited to 'collectors/tc.plugin')
-rw-r--r-- | collectors/tc.plugin/Makefile.am | 20 | ||||
-rw-r--r-- | collectors/tc.plugin/README.md | 9 | ||||
-rw-r--r-- | collectors/tc.plugin/plugin_tc.c | 1168 | ||||
-rw-r--r-- | collectors/tc.plugin/plugin_tc.h | 31 | ||||
-rwxr-xr-x | collectors/tc.plugin/tc-qos-helper.sh.in | 315 |
5 files changed, 1543 insertions, 0 deletions
diff --git a/collectors/tc.plugin/Makefile.am b/collectors/tc.plugin/Makefile.am new file mode 100644 index 0000000000..f77e67d915 --- /dev/null +++ b/collectors/tc.plugin/Makefile.am @@ -0,0 +1,20 @@ +# SPDX-License-Identifier: GPL-3.0-or-later + +AUTOMAKE_OPTIONS = subdir-objects +MAINTAINERCLEANFILES = $(srcdir)/Makefile.in + +CLEANFILES = \ + tc-qos-helper.sh \ + $(NULL) + +include $(top_srcdir)/build/subst.inc +SUFFIXES = .in + +dist_plugins_SCRIPTS = \ + tc-qos-helper.sh \ + $(NULL) + +dist_noinst_DATA = \ + tc-qos-helper.sh.in \ + README.md \ + $(NULL) diff --git a/collectors/tc.plugin/README.md b/collectors/tc.plugin/README.md new file mode 100644 index 0000000000..d0e5f9c4c9 --- /dev/null +++ b/collectors/tc.plugin/README.md @@ -0,0 +1,9 @@ +## tc.plugin + +Netdata monitors `tc` QoS classes for all interfaces. + +If you also use [FireQOS](http://firehol.org/tutorial/fireqos-new-user/)) it will collect interface and class names. + +There is a [shell helper](tc-qos-helper.sh.in) for this (all parsing is done by the plugin in `C` code - this shell script is just a configuration for the command to run to get `tc` output). + +The source of the tc plugin is [here](plugin_tc.c). It is somewhat complex, because a state machine was needed to keep track of all the `tc` classes, including the pseudo classes tc dynamically creates. diff --git a/collectors/tc.plugin/plugin_tc.c b/collectors/tc.plugin/plugin_tc.c new file mode 100644 index 0000000000..083cc29861 --- /dev/null +++ b/collectors/tc.plugin/plugin_tc.c @@ -0,0 +1,1168 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#include "plugin_tc.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 { + 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; +}; + +struct tc_device { + avl avl; + + char *id; + uint32_t hash; + + char *name; + char *family; + + char name_updated; + char 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; + + avl_tree classes_index; + + struct tc_class *classes; + struct tc_class *last_class; + + struct tc_device *next; + struct tc_device *prev; +}; + + +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); +} + +avl_tree tc_device_root_index = { + NULL, + tc_device_compare +}; + +#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); + + return (struct tc_device *)avl_search(&(tc_device_root_index), (avl *)&tmp); +} + + +// ---------------------------------------------------------------------------- +// 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); +} + +#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); + + 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) { + if(c == n->classes) { + if(likely(c->next)) + n->classes = c->next; + else + n->classes = c->prev; + } + + if(c == n->last_class) { + if(unlikely(c->next)) + n->last_class = c->next; + else + n->last_class = 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(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, 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" + , PLUGIN_TC_NAME + , NULL + , NETDATA_CHART_PRIO_TC_QOS + , 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); + + // TODO + // 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, BITS_IN_A_KILOBIT, 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" + , 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 + ); + } + 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); + } + + // TODO + // 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" + , 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 + ); + } + 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); + } + + // TODO + // 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" + , PLUGIN_TC_NAME + , NULL + , NETDATA_CHART_PRIO_TC_QOS_TOCKENS + , 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); + } + + // TODO + // 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" + , PLUGIN_TC_NAME + , NULL + , NETDATA_CHART_PRIO_TC_QOS_CTOCKENS + , 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); + } + + // TODO + // 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) { + 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(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) != 0)) { + 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) { + 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 = callocz(1, sizeof(struct tc_device)); + + d->id = strdupz(id); + d->hash = simple_hash(d->id); + d->enabled = (char)-1; + + 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); + + 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); +} + +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); + + 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 = callocz(1, sizeof(struct tc_class)); + + if(unlikely(!n->classes)) + n->classes = c; + + else if(likely(n->last_class)) { + n->last_class->next = c; + c->prev = n->last_class; + } + + n->last_class = c; + + c->id = strdupz(id); + c->hash = simple_hash(c->id); + + c->isqdisc = qdisc; + if(parentid && *parentid) { + c->parentid = strdupz(parentid); + c->parent_hash = simple_hash(c->parentid); + } + + if(leafid && *leafid) { + c->leafid = strdupz(leafid); + c->leaf_hash = simple_hash(c->leafid); + } + + 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); +} + +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); +} + +#define PLUGINSD_MAX_WORDS 20 + +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; |