]> arthur.barton.de Git - netdata.git/blobdiff - src/plugin_tc.c
finalized dictionary.c
[netdata.git] / src / plugin_tc.c
old mode 100755 (executable)
new mode 100644 (file)
index 8f93201..d70f526
@@ -5,6 +5,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <sys/types.h>
+#include <sys/resource.h>
 
 #include "avl.h"
 #include "log.h"
@@ -13,6 +14,8 @@
 #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)
@@ -40,6 +43,15 @@ struct tc_class {
        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 updated;   // updated bytes
        char seen;              // seen in the tc list (even without bytes)
@@ -60,9 +72,14 @@ struct tc_device {
        avl_tree classes_index;
 
        struct tc_class *classes;
+
+       struct tc_device *next;
+       struct tc_device *prev;
 };
 
 
+struct tc_device *tc_device_root = NULL;
+
 // ----------------------------------------------------------------------------
 // tc_device index
 
@@ -76,7 +93,14 @@ static int tc_device_compare(void* a, void* b) {
 
 avl_tree tc_device_root_index = {
                NULL,
-               tc_device_compare
+               tc_device_compare,
+#ifndef AVL_WITHOUT_PTHREADS
+#ifdef AVL_LOCK_WITH_MUTEX
+               PTHREAD_MUTEX_INITIALIZER
+#else
+               PTHREAD_RWLOCK_INITIALIZER
+#endif
+#endif
 };
 
 #define tc_device_index_add(st) avl_insert(&tc_device_root_index, (avl *)(st))
@@ -122,7 +146,10 @@ static void tc_class_free(struct tc_device *n, struct tc_class *c) {
 
        if(c->next) c->next->prev = c->prev;
        if(c->prev) c->prev->next = c->next;
-       if(n->classes == c) n->classes = c->next;
+       if(n->classes == c) {
+               if(c->next) n->classes = c->next;
+               else n->classes = c->prev;
+       }
 
        tc_class_index_del(n, c);
 
@@ -138,7 +165,7 @@ static void tc_device_classes_cleanup(struct tc_device *d) {
        static int cleanup_every = 999;
 
        if(cleanup_every > 0) {
-               cleanup_every = -config_get_number("plugin:tc", "cleanup unused classes every", 60);
+               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;
        }
@@ -164,7 +191,7 @@ static 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;
 
@@ -192,7 +219,7 @@ static void tc_device_commit(struct tc_device *d)
                        }
                }
        }
-       
+
        // debugging:
        /*
        for ( c = d->classes ; c ; c = c->next) {
@@ -220,13 +247,13 @@ static void tc_device_commit(struct tc_device *d)
                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, "Class Usage", "kilobits/s", 1000, rrd_update_every, RRDSET_TYPE_STACKED);
+                       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 * rrd_update_every, RRDDIM_INCREMENTAL);
+                                       rrddim_add(st, c->id, c->name?c->name:c->id, 8, 1024, RRDDIM_INCREMENTAL);
                        }
                }
                else {
@@ -244,9 +271,9 @@ static void tc_device_commit(struct tc_device *d)
 
                                if(!rd) {
                                        debug(D_TC_LOOP, "TC: Adding to chart '%s', dimension '%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 * rrd_update_every, RRDDIM_INCREMENTAL);
+                                       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);
 
@@ -323,7 +350,27 @@ static struct tc_device *tc_device_create(char *id)
                d->classes_index.root = NULL;
                d->classes_index.compar = tc_class_compare;
 
+               int lock;
+#ifndef AVL_WITHOUT_PTHREADS
+#ifdef AVL_LOCK_WITH_MUTEX
+               lock = pthread_mutex_init(&d->classes_index.mutex, NULL);
+#else
+               lock = pthread_rwlock_init(&d->classes_index.rwlock, NULL);
+#endif
+#endif
+               if(lock != 0)
+                       fatal("Failed to initialize plugin_tc mutex/rwlock, return code %d.", lock);
+
                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);
@@ -370,9 +417,16 @@ static struct tc_class *tc_class_add(struct tc_device *n, char *id, char *parent
 
        return(c);
 }
-/*
+
 static 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;
+       }
+
        tc_device_index_del(n);
 
        while(n->classes) tc_class_free(n, n->classes);
@@ -383,7 +437,12 @@ static void tc_device_free(struct tc_device *n)
 
        free(n);
 }
-*/
+
+static void tc_device_free_all()
+{
+       while(tc_device_root)
+               tc_device_free(tc_device_root);
+}
 
 #define MAX_WORDS 20
 
@@ -448,6 +507,9 @@ void *tc_main(void *ptr)
        if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
                error("Cannot set pthread cancel state to ENABLE.");
 
+       struct rusage thread;
+       RRDSET *stcpu = NULL, *sttime = NULL;
+
        char buffer[TC_LINE_MAX+1] = "";
        char *words[MAX_WORDS] = { NULL };
 
@@ -455,15 +517,20 @@ void *tc_main(void *ptr)
        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");
 #ifdef DETACH_PLUGINS_FROM_NETDATA
        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;
@@ -474,10 +541,13 @@ void *tc_main(void *ptr)
                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);
 
@@ -490,11 +560,21 @@ void *tc_main(void *ptr)
 
                        first_hash = simple_hash(words[0]);
 
-                       if(first_hash == CLASS_HASH && strcmp(words[0], "class") == 0 && device) {
+                       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]);
 
-                               if(words[1] && words[2] && words[3] && words[4] && (strcmp(words[3], "parent") == 0 || strcmp(words[3], "root") == 0)) {
-                                       // char *type     = words[1];  // the class: htb, fq_codel, etc
+                               // 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
@@ -548,28 +628,85 @@ void *tc_main(void *ptr)
                                        class = NULL;
                                }
                        }
-                       else if(first_hash == SENT_HASH && strcmp(words[0], "Sent") == 0 && device && class) {
+                       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 = atoll(words[1]);
+                                       class->bytes = strtoull(words[1], NULL, 10);
                                        class->updated = 1;
                                }
-                               else class->bytes = 0;
+
+                               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(first_hash == SETDEVICENAME_HASH && strcmp(words[0], "SETDEVICENAME") == 0 && device) {
+                       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(first_hash == SETDEVICEGROUP_HASH && strcmp(words[0], "SETDEVICEGROUP") == 0 && device) {
+                       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(first_hash == SETCLASSNAME_HASH && strcmp(words[0], "SETCLASSNAME") == 0 && device) {
+                       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);
+
+                       }
 #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]);
@@ -585,7 +722,8 @@ void *tc_main(void *ptr)
                        //      debug(D_TC_LOOP, "IGNORED line");
                        //}
                }
-               mypclose(fp, tc_child_pid);
+               // fgets() failed or loop broke
+               int code = mypclose(fp, tc_child_pid);
                tc_child_pid = 0;
 
                if(device) {
@@ -594,9 +732,25 @@ void *tc_main(void *ptr)
                        class = NULL;
                }
 
-               sleep(rrd_update_every);
+               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;
 }
-