Merging upstream version 1.45.3+dfsg.

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

1 files changed, 0 insertions, 1066 deletions

diff --git a/collectors/xenstat.plugin/xenstat_plugin.c b/collectors/xenstat.plugin/xenstat_plugin.c
deleted file mode 100644
index 319396d43..000000000
--- a/collectors/xenstat.plugin/xenstat_plugin.c
+++ /dev/null
@@ -1,1066 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include "libnetdata/libnetdata.h"
-#include "libnetdata/required_dummies.h"
-
-#include <xenstat.h>
-#include <libxl.h>
-
-#define PLUGIN_XENSTAT_NAME "xenstat.plugin"
-
-#define NETDATA_CHART_PRIO_XENSTAT_NODE_CPUS              30001
-#define NETDATA_CHART_PRIO_XENSTAT_NODE_CPU_FREQ          30002
-#define NETDATA_CHART_PRIO_XENSTAT_NODE_MEM               30003
-#define NETDATA_CHART_PRIO_XENSTAT_NODE_TMEM              30004
-#define NETDATA_CHART_PRIO_XENSTAT_NODE_DOMAINS           30005
-
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_STATES          30101
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_CPU             30102
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VCPU            30103
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_MEM             30104
-
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_TMEM_PAGES      30104
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_TMEM_OPERATIONS 30105
-
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_OO_REQ      30200
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_REQUESTS    30300
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_SECTORS     30400
-
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_BYTES       30500
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS     30600
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_ERRORS      30700
-#define NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_DROPS       30800
-
-#define TYPE_LENGTH_MAX 200
-
-#define CHART_IS_OBSOLETE     1
-#define CHART_IS_NOT_OBSOLETE 0
-
-// Variables
-static int debug = 0;
-static int netdata_update_every = 1;
-
-struct vcpu_metrics {
-    unsigned int id;
-
-    unsigned int online;
-    unsigned long long ns;
-
-    int chart_generated;
-    int updated;
-
-    struct vcpu_metrics *next;
-};
-
-struct vbd_metrics {
-    unsigned int id;
-
-    unsigned int error;
-    unsigned long long oo_reqs;
-    unsigned long long rd_reqs;
-    unsigned long long wr_reqs;
-    unsigned long long rd_sects;
-    unsigned long long wr_sects;
-
-    int oo_req_chart_generated;
-    int requests_chart_generated;
-    int sectors_chart_generated;
-    int updated;
-
-    struct vbd_metrics *next;
-};
-
-struct network_metrics {
-    unsigned int id;
-
-    unsigned long long rbytes;
-    unsigned long long rpackets;
-    unsigned long long rerrs;
-    unsigned long long rdrops;
-
-    unsigned long long tbytes;
-    unsigned long long tpackets;
-    unsigned long long terrs;
-    unsigned long long tdrops;
-
-    int bytes_chart_generated;
-    int packets_chart_generated;
-    int errors_chart_generated;
-    int drops_chart_generated;
-    int updated;
-
-    struct network_metrics *next;
-};
-
-struct domain_metrics {
-    char *uuid;
-    uint32_t hash;
-
-    unsigned int id;
-    char *name;
-
-    // states
-    unsigned int running;
-    unsigned int blocked;
-    unsigned int paused;
-    unsigned int shutdown;
-    unsigned int crashed;
-    unsigned int dying;
-    unsigned int cur_vcpus;
-
-    unsigned long long cpu_ns;
-    unsigned long long cur_mem;
-    unsigned long long max_mem;
-
-    struct vcpu_metrics *vcpu_root;
-    struct vbd_metrics *vbd_root;
-    struct network_metrics *network_root;
-
-    int states_chart_generated;
-    int cpu_chart_generated;
-    int vcpu_chart_generated;
-    int num_vcpus_changed;
-    int mem_chart_generated;
-    int updated;
-
-    struct domain_metrics *next;
-};
-
-struct node_metrics{
-    unsigned long long tot_mem;
-    unsigned long long free_mem;
-    int num_domains;
-    unsigned int num_cpus;
-    unsigned long long node_cpu_hz;
-
-    struct domain_metrics *domain_root;
-};
-
-static struct node_metrics node_metrics = {
-        .domain_root = NULL
-};
-
-static inline struct domain_metrics *domain_metrics_get(const char *uuid, uint32_t hash) {
-    struct domain_metrics *d = NULL, *last = NULL;
-    for(d = node_metrics.domain_root; d ; last = d, d = d->next) {
-        if(unlikely(d->hash == hash && !strcmp(d->uuid, uuid)))
-            return d;
-    }
-
-    if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: allocating memory for domain with uuid %s\n", uuid);
-
-    d = callocz(1, sizeof(struct domain_metrics));
-    d->uuid = strdupz(uuid);
-    d->hash = hash;
-
-    if(unlikely(!last)) {
-        d->next = node_metrics.domain_root;
-        node_metrics.domain_root = d;
-    }
-    else {
-        d->next = last->next;
-        last->next = d;
-    }
-
-    return d;
-}
-
-static struct domain_metrics *domain_metrics_free(struct domain_metrics *d) {
-    struct domain_metrics *cur = NULL, *last = NULL;
-    struct vcpu_metrics *vcpu, *vcpu_f;
-    struct vbd_metrics *vbd, *vbd_f;
-    struct network_metrics *network, *network_f;
-
-    if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: freeing memory for domain '%s' id %u, uuid %s\n", d->name, d->id, d->uuid);
-
-    for(cur = node_metrics.domain_root; cur ; last = cur, cur = cur->next) {
-        if(unlikely(cur->hash == d->hash && !strcmp(cur->uuid, d->uuid))) break;
-    }
-
-    if(unlikely(!cur)) {
-        netdata_log_error("XENSTAT: failed to free domain metrics.");
-        return NULL;
-    }
-
-    if(likely(last))
-        last->next = cur->next;
-    else
-        node_metrics.domain_root = NULL;
-
-    freez(cur->uuid);
-    freez(cur->name);
-
-    vcpu = cur->vcpu_root;
-    while(vcpu) {
-        vcpu_f = vcpu;
-        vcpu = vcpu->next;
-        freez(vcpu_f);
-    }
-
-    vbd = cur->vbd_root;
-    while(vbd) {
-        vbd_f = vbd;
-        vbd = vbd->next;
-        freez(vbd_f);
-    }
-
-    network = cur->network_root;
-    while(network) {
-        network_f = network;
-        network = network->next;
-        freez(network_f);
-    }
-
-    freez(cur);
-
-    return last ? last : NULL;
-}
-
-static int vcpu_metrics_collect(struct domain_metrics *d, xenstat_domain *domain) {
-    unsigned int num_vcpus = 0;
-    xenstat_vcpu *vcpu = NULL;
-    struct vcpu_metrics *vcpu_m = NULL, *last_vcpu_m = NULL;
-
-    num_vcpus = xenstat_domain_num_vcpus(domain);
-
-    for(vcpu_m = d->vcpu_root; vcpu_m ; vcpu_m = vcpu_m->next)
-        vcpu_m->updated = 0;
-
-    vcpu_m = d->vcpu_root;
-
-    unsigned int  i, num_online_vcpus=0;
-    for(i = 0; i < num_vcpus; i++) {
-        if(unlikely(!vcpu_m)) {
-            vcpu_m = callocz(1, sizeof(struct vcpu_metrics));
-
-            if(unlikely(i == 0)) d->vcpu_root = vcpu_m;
-            else last_vcpu_m->next = vcpu_m;
-        }
-
-        vcpu_m->id = i;
-
-        vcpu = xenstat_domain_vcpu(domain, i);
-
-        if(unlikely(!vcpu)) {
-            netdata_log_error("XENSTAT: cannot get VCPU statistics.");
-            return 1;
-        }
-
-        vcpu_m->online = xenstat_vcpu_online(vcpu);
-        if(likely(vcpu_m->online)) { num_online_vcpus++; }
-        vcpu_m->ns = xenstat_vcpu_ns(vcpu);
-
-        vcpu_m->updated = 1;
-
-        last_vcpu_m = vcpu_m;
-        vcpu_m = vcpu_m->next;
-    }
-
-    if(unlikely(num_online_vcpus != d->cur_vcpus)) {
-        d->num_vcpus_changed = 1;
-        d->cur_vcpus = num_online_vcpus;
-    }
-
-    return 0;
-}
-
-static int vbd_metrics_collect(struct domain_metrics *d, xenstat_domain *domain) {
-    unsigned int num_vbds = xenstat_domain_num_vbds(domain);
-    xenstat_vbd *vbd = NULL;
-    struct vbd_metrics *vbd_m = NULL, *last_vbd_m = NULL;
-
-    for(vbd_m = d->vbd_root; vbd_m ; vbd_m = vbd_m->next)
-        vbd_m->updated = 0;
-
-    vbd_m = d->vbd_root;
-
-    unsigned int  i;
-    for(i = 0; i < num_vbds; i++) {
-        if(unlikely(!vbd_m)) {
-            vbd_m = callocz(1, sizeof(struct vbd_metrics));
-
-            if(unlikely(i == 0)) d->vbd_root = vbd_m;
-            else last_vbd_m->next = vbd_m;
-        }
-
-        vbd_m->id = i;
-
-        vbd = xenstat_domain_vbd(domain, i);
-
-        if(unlikely(!vbd)) {
-            netdata_log_error("XENSTAT: cannot get VBD statistics.");
-            return 1;
-        }
-
-#ifdef HAVE_XENSTAT_VBD_ERROR
-        vbd_m->error    = xenstat_vbd_error(vbd);
-#else
-        vbd_m->error    = 0;
-#endif
-        vbd_m->oo_reqs  = xenstat_vbd_oo_reqs(vbd);
-        vbd_m->rd_reqs  = xenstat_vbd_rd_reqs(vbd);
-        vbd_m->wr_reqs  = xenstat_vbd_wr_reqs(vbd);
-        vbd_m->rd_sects = xenstat_vbd_rd_sects(vbd);
-        vbd_m->wr_sects = xenstat_vbd_wr_sects(vbd);
-
-        vbd_m->updated = 1;
-
-        last_vbd_m = vbd_m;
-        vbd_m = vbd_m->next;
-    }
-
-    return 0;
-}
-
-static int network_metrics_collect(struct domain_metrics *d, xenstat_domain *domain) {
-    unsigned int num_networks = xenstat_domain_num_networks(domain);
-    xenstat_network *network = NULL;
-    struct network_metrics *network_m = NULL, *last_network_m = NULL;
-
-    for(network_m = d->network_root; network_m ; network_m = network_m->next)
-        network_m->updated = 0;
-
-    network_m = d->network_root;
-
-    unsigned int  i;
-    for(i = 0; i < num_networks; i++) {
-        if(unlikely(!network_m)) {
-            network_m = callocz(1, sizeof(struct network_metrics));
-
-            if(unlikely(i == 0)) d->network_root = network_m;
-            else last_network_m->next = network_m;
-        }
-
-        network_m->id = i;
-
-        network = xenstat_domain_network(domain, i);
-
-        if(unlikely(!network)) {
-            netdata_log_error("XENSTAT: cannot get network statistics.");
-            return 1;
-        }
-
-        network_m->rbytes   = xenstat_network_rbytes(network);
-        network_m->rpackets = xenstat_network_rpackets(network);
-        network_m->rerrs    = xenstat_network_rerrs(network);
-        network_m->rdrops   = xenstat_network_rdrop(network);
-
-        network_m->tbytes   = xenstat_network_tbytes(network);
-        network_m->tpackets = xenstat_network_tpackets(network);
-        network_m->terrs    = xenstat_network_terrs(network);
-        network_m->tdrops   = xenstat_network_tdrop(network);
-
-        network_m->updated = 1;
-
-        last_network_m = network_m;
-        network_m = network_m->next;
-    }
-
-    return 0;
-}
-
-static int xenstat_collect(xenstat_handle *xhandle, libxl_ctx *ctx, libxl_dominfo *info) {
-
-    // mark all old metrics as not-updated
-    struct domain_metrics *d;
-    for(d = node_metrics.domain_root; d ; d = d->next)
-        d->updated = 0;
-
-    xenstat_node *node = xenstat_get_node(xhandle, XENSTAT_ALL);
-    if (unlikely(!node)) {
-        netdata_log_error("XENSTAT: failed to retrieve statistics from libxenstat.");
-        return 1;
-    }
-
-    node_metrics.tot_mem = xenstat_node_tot_mem(node);
-    node_metrics.free_mem = xenstat_node_free_mem(node);
-    node_metrics.num_domains = xenstat_node_num_domains(node);
-    node_metrics.num_cpus = xenstat_node_num_cpus(node);
-    node_metrics.node_cpu_hz = xenstat_node_cpu_hz(node);
-
-    int i;
-    for(i = 0; i < node_metrics.num_domains; i++) {
-        xenstat_domain *domain = NULL;
-        char uuid[LIBXL_UUID_FMTLEN + 1];
-
-        domain = xenstat_node_domain_by_index(node, i);
-
-        // get domain UUID
-        unsigned int id = xenstat_domain_id(domain);
-        if(unlikely(libxl_domain_info(ctx, info, id))) {
-            netdata_log_error("XENSTAT: cannot get domain info.");
-        }
-        else {
-            snprintfz(uuid, LIBXL_UUID_FMTLEN, LIBXL_UUID_FMT "\n", LIBXL_UUID_BYTES(info->uuid));
-        }
-
-        uint32_t hash = simple_hash(uuid);
-        d = domain_metrics_get(uuid, hash);
-
-        d->id = id;
-        if(unlikely(!d->name)) {
-            d->name = strdupz(xenstat_domain_name(domain));
-            netdata_fix_chart_id(d->name);
-            if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: domain id %u, uuid %s has name '%s'\n", d->id, d->uuid, d->name);
-        }
-
-        d->running  = xenstat_domain_running(domain);
-        d->blocked  = xenstat_domain_blocked(domain);
-        d->paused   = xenstat_domain_paused(domain);
-        d->shutdown = xenstat_domain_shutdown(domain);
-        d->crashed  = xenstat_domain_crashed(domain);
-        d->dying    = xenstat_domain_dying(domain);
-
-        d->cpu_ns = xenstat_domain_cpu_ns(domain);
-        d->cur_mem = xenstat_domain_cur_mem(domain);
-        d->max_mem = xenstat_domain_max_mem(domain);
-
-        if(unlikely(vcpu_metrics_collect(d, domain) || vbd_metrics_collect(d, domain) || network_metrics_collect(d, domain))) {
-            xenstat_free_node(node);
-            return 1;
-        }
-
-        d->updated = 1;
-    }
-
-    xenstat_free_node(node);
-
-    return 0;
-}
-
-static void xenstat_send_node_metrics() {
-    static int mem_chart_generated = 0, domains_chart_generated = 0, cpus_chart_generated = 0, cpu_freq_chart_generated = 0;
-
-    // ----------------------------------------------------------------
-
-    if(unlikely(!mem_chart_generated)) {
-        printf("CHART xenstat.mem '' 'Memory Usage' 'MiB' 'memory' '' stacked %d %d '' %s\n"
-               , NETDATA_CHART_PRIO_XENSTAT_NODE_MEM
-               , netdata_update_every
-               , PLUGIN_XENSTAT_NAME
-        );
-        printf("DIMENSION %s '' absolute 1 %d\n", "free", netdata_update_every * 1024 * 1024);
-        printf("DIMENSION %s '' absolute 1 %d\n", "used", netdata_update_every * 1024 * 1024);
-        mem_chart_generated = 1;
-    }
-
-    printf(
-            "BEGIN xenstat.mem\n"
-            "SET free = %lld\n"
-            "SET used = %lld\n"
-            "END\n"
-            , (collected_number) node_metrics.free_mem
-            , (collected_number) (node_metrics.tot_mem - node_metrics.free_mem)
-    );
-
-    // ----------------------------------------------------------------
-
-    if(unlikely(!domains_chart_generated)) {
-        printf("CHART xenstat.domains '' 'Number of Domains' 'domains' 'domains' '' line %d %d '' %s\n"
-               , NETDATA_CHART_PRIO_XENSTAT_NODE_DOMAINS
-               , netdata_update_every
-               , PLUGIN_XENSTAT_NAME
-        );
-        printf("DIMENSION %s '' absolute 1 %d\n", "domains", netdata_update_every);
-        domains_chart_generated = 1;
-    }
-
-    printf(
-            "BEGIN xenstat.domains\n"
-            "SET domains = %lld\n"
-            "END\n"
-            , (collected_number) node_metrics.num_domains
-    );
-
-    // ----------------------------------------------------------------
-
-    if(unlikely(!cpus_chart_generated)) {
-        printf("CHART xenstat.cpus '' 'Number of CPUs' 'cpus' 'cpu' '' line %d %d '' %s\n"
-               , NETDATA_CHART_PRIO_XENSTAT_NODE_CPUS
-               , netdata_update_every
-               , PLUGIN_XENSTAT_NAME
-        );
-        printf("DIMENSION %s '' absolute 1 %d\n", "cpus", netdata_update_every);
-        cpus_chart_generated = 1;
-    }
-
-    printf(
-            "BEGIN xenstat.cpus\n"
-            "SET cpus = %lld\n"
-            "END\n"
-            , (collected_number) node_metrics.num_cpus
-    );
-
-    // ----------------------------------------------------------------
-
-    if(unlikely(!cpu_freq_chart_generated)) {
-        printf("CHART xenstat.cpu_freq '' 'CPU Frequency' 'MHz' 'cpu' '' line %d %d '' %s\n"
-               , NETDATA_CHART_PRIO_XENSTAT_NODE_CPU_FREQ
-               , netdata_update_every
-               , PLUGIN_XENSTAT_NAME
-        );
-        printf("DIMENSION %s '' absolute 1 %d\n", "frequency", netdata_update_every * 1024 * 1024);
-        cpu_freq_chart_generated = 1;
-    }
-
-    printf(
-            "BEGIN xenstat.cpu_freq\n"
-            "SET frequency = %lld\n"
-            "END\n"
-            , (collected_number) node_metrics.node_cpu_hz
-    );
-}
-
-static void print_domain_states_chart_definition(char *type, int obsolete_flag) {
-    printf("CHART %s.states '' 'Domain States' 'boolean' 'states' 'xendomain.states' line %d %d %s %s\n"
-                       , type
-                       , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_STATES
-                       , netdata_update_every
-                       , obsolete_flag ? "obsolete": "''"
-                       , PLUGIN_XENSTAT_NAME
-    );
-    printf("DIMENSION running '' absolute 1 %d\n", netdata_update_every);
-    printf("DIMENSION blocked '' absolute 1 %d\n", netdata_update_every);
-    printf("DIMENSION paused '' absolute 1 %d\n", netdata_update_every);
-    printf("DIMENSION shutdown '' absolute 1 %d\n", netdata_update_every);
-    printf("DIMENSION crashed '' absolute 1 %d\n", netdata_update_every);
-    printf("DIMENSION dying '' absolute 1 %d\n", netdata_update_every);
-}
-
-static void print_domain_cpu_chart_definition(char *type, int obsolete_flag) {
-    printf("CHART %s.cpu '' 'CPU Usage (100%% = 1 core)' 'percentage' 'cpu' 'xendomain.cpu' line %d %d %s %s\n"
-                       , type
-                       , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_CPU
-                       , netdata_update_every
-                       , obsolete_flag ? "obsolete": "''"
-                       , PLUGIN_XENSTAT_NAME
-    );
-    printf("DIMENSION used '' incremental 100 %d\n", netdata_update_every * 1000000000);
-}
-
-static void print_domain_mem_chart_definition(char *type, int obsolete_flag) {
-    printf("CHART %s.mem '' 'Memory Reservation' 'MiB' 'memory' 'xendomain.mem' line %d %d %s %s\n"
-                       , type
-                       , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_MEM
-                       , netdata_update_every
-                       , obsolete_flag ? "obsolete": "''"
-                       , PLUGIN_XENSTAT_NAME
-    );
-    printf("DIMENSION maximum '' absolute 1 %d\n", netdata_update_every * 1024 * 1024);
-    printf("DIMENSION current '' absolute 1 %d\n", netdata_update_every * 1024 * 1024);
-}
-
-static void print_domain_vcpu_chart_definition(char *type, struct domain_metrics *d, int obsolete_flag) {
-    struct vcpu_metrics *vcpu_m;
-
-    printf("CHART %s.vcpu '' 'CPU Usage per VCPU' 'percentage' 'cpu' 'xendomain.vcpu' line %d %d %s %s\n"
-                       , type
-                       , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VCPU
-                       , netdata_update_every
-                       , obsolete_flag ? "obsolete": "''"
-                       , PLUGIN_XENSTAT_NAME
-    );
-
-    for(vcpu_m = d->vcpu_root; vcpu_m; vcpu_m = vcpu_m->next) {
-        if(likely(vcpu_m->updated && vcpu_m->online)) {
-            printf("DIMENSION vcpu%u '' incremental 100 %d\n", vcpu_m->id, netdata_update_every * 1000000000);
-        }
-    }
-}
-
-static void print_domain_vbd_oo_chart_definition(char *type, unsigned int vbd, int obsolete_flag) {
-    printf("CHART %s.oo_req_vbd%u '' 'VBD%u \"Out Of\" Requests' 'requests/s' 'vbd' 'xendomain.oo_req_vbd' line %u %d %s %s\n"
-                       , type
-                       , vbd
-                       , vbd
-                       , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_OO_REQ + vbd
-                       , netdata_update_every
-                       , obsolete_flag ? "obsolete": "''"
-                       , PLUGIN_XENSTAT_NAME
-    );
-    printf("DIMENSION requests '' incremental 1 %d\n", netdata_update_every);
-}
-
-static void print_domain_vbd_requests_chart_definition(char *type, unsigned int vbd, int obsolete_flag) {
-    printf("CHART %s.requests_vbd%u '' 'VBD%u Requests' 'requests/s' 'vbd' 'xendomain.requests_vbd' line %u %d %s %s\n"
-                       , type
-                       , vbd
-                       , vbd
-                       , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_REQUESTS + vbd
-                       , netdata_update_every
-                       , obsolete_flag ? "obsolete": "''"
-                       , PLUGIN_XENSTAT_NAME
-    );
-    printf("DIMENSION read '' incremental 1 %d\n", netdata_update_every);
-    printf("DIMENSION write '' incremental -1 %d\n", netdata_update_every);
-}
-
-static void print_domain_vbd_sectors_chart_definition(char *type, unsigned int vbd, int obsolete_flag) {
-    printf("CHART %s.sectors_vbd%u '' 'VBD%u Read/Written Sectors' 'sectors/s' 'vbd' 'xendomain.sectors_vbd' line %u %d %s %s\n"
-                       , type
-                       , vbd
-                       , vbd
-                       , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_VBD_SECTORS + vbd
-                       , netdata_update_every
-                       , obsolete_flag ? "obsolete": "''"
-                       , PLUGIN_XENSTAT_NAME
-    );
-    printf("DIMENSION read '' incremental 1 %d\n", netdata_update_every);
-    printf("DIMENSION write '' incremental -1 %d\n", netdata_update_every);
-}
-
-static void print_domain_network_bytes_chart_definition(char *type, unsigned int network, int obsolete_flag) {
-    printf("CHART %s.bytes_network%u '' 'Network%u Received/Sent Bytes' 'kilobits/s' 'network' 'xendomain.bytes_network' line %u %d %s %s\n"
-                       , type
-                       , network
-                       , network
-                       , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_BYTES + network
-                       , netdata_update_every
-                       , obsolete_flag ? "obsolete": "''"
-                       , PLUGIN_XENSTAT_NAME
-    );
-    printf("DIMENSION received '' incremental 8 %d\n", netdata_update_every * 1000);
-    printf("DIMENSION sent '' incremental -8 %d\n", netdata_update_every * 1000);
-}
-
-static void print_domain_network_packets_chart_definition(char *type, unsigned int network, int obsolete_flag) {
-    printf("CHART %s.packets_network%u '' 'Network%u Received/Sent Packets' 'packets/s' 'network' 'xendomain.packets_network' line %u %d %s %s\n"
-                       , type
-                       , network
-                       , network
-                       , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS + network
-                       , netdata_update_every
-                       , obsolete_flag ? "obsolete": "''"
-                       , PLUGIN_XENSTAT_NAME
-    );
-    printf("DIMENSION received '' incremental 1 %d\n", netdata_update_every);
-    printf("DIMENSION sent '' incremental -1 %d\n", netdata_update_every);
-}
-
-static void print_domain_network_errors_chart_definition(char *type, unsigned int network, int obsolete_flag) {
-    printf("CHART %s.errors_network%u '' 'Network%u Receive/Transmit Errors' 'errors/s' 'network' 'xendomain.errors_network' line %u %d %s %s\n"
-                       , type
-                       , network
-                       , network
-                       , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS + network
-                       , netdata_update_every
-                       , obsolete_flag ? "obsolete": "''"
-                       , PLUGIN_XENSTAT_NAME
-    );
-    printf("DIMENSION received '' incremental 1 %d\n", netdata_update_every);
-    printf("DIMENSION sent '' incremental -1 %d\n", netdata_update_every);
-}
-
-static void print_domain_network_drops_chart_definition(char *type, unsigned int network, int obsolete_flag) {
-    printf("CHART %s.drops_network%u '' 'Network%u Receive/Transmit Drops' 'drops/s' 'network' 'xendomain.drops_network' line %u %d %s %s\n"
-                       , type
-                       , network
-                       , network
-                       , NETDATA_CHART_PRIO_XENSTAT_DOMAIN_NET_PACKETS + network
-                       , netdata_update_every
-                       , obsolete_flag ? "obsolete": "''"
-                       , PLUGIN_XENSTAT_NAME
-    );
-    printf("DIMENSION received '' incremental 1 %d\n", netdata_update_every);
-    printf("DIMENSION sent '' incremental -1 %d\n", netdata_update_every);
-}
-
-static void xenstat_send_domain_metrics() {
-
-    if(unlikely(!node_metrics.domain_root)) return;
-    struct domain_metrics *d;
-
-    for(d = node_metrics.domain_root; d; d = d->next) {
-        char type[TYPE_LENGTH_MAX + 1];
-        snprintfz(type, TYPE_LENGTH_MAX, "xendomain_%s_%s", d->name, d->uuid);
-
-        if(likely(d->updated)) {
-
-            // ----------------------------------------------------------------
-
-            if(unlikely(!d->states_chart_generated)) {
-                print_domain_states_chart_definition(type, CHART_IS_NOT_OBSOLETE);
-                d->states_chart_generated = 1;
-            }
-            printf(
-                    "BEGIN %s.states\n"
-                    "SET running = %lld\n"
-                    "SET blocked = %lld\n"
-                    "SET paused = %lld\n"
-                    "SET shutdown = %lld\n"
-                    "SET crashed = %lld\n"
-                    "SET dying = %lld\n"
-                    "END\n"
-                    , type
-                    , (collected_number)d->running
-                    , (collected_number)d->blocked
-                    , (collected_number)d->paused
-                    , (collected_number)d->shutdown
-                    , (collected_number)d->crashed
-                    , (collected_number)d->dying
-            );
-
-            // ----------------------------------------------------------------
-
-            if(unlikely(!d->cpu_chart_generated)) {
-                print_domain_cpu_chart_definition(type, CHART_IS_NOT_OBSOLETE);
-                d->cpu_chart_generated = 1;
-            }
-            printf(
-                    "BEGIN %s.cpu\n"
-                    "SET used = %lld\n"
-                    "END\n"
-                    , type
-                    , (collected_number)d->cpu_ns
-            );
-
-            // ----------------------------------------------------------------
-
-            struct vcpu_metrics *vcpu_m;
-
-            if(unlikely(!d->vcpu_chart_generated || d->num_vcpus_changed)) {
-                print_domain_vcpu_chart_definition(type, d, CHART_IS_NOT_OBSOLETE);
-                d->num_vcpus_changed = 0;
-                d->vcpu_chart_generated = 1;
-            }
-
-            printf("BEGIN %s.vcpu\n", type);
-            for(vcpu_m = d->vcpu_root; vcpu_m; vcpu_m = vcpu_m->next) {
-                if(likely(vcpu_m->updated && vcpu_m->online)) {
-                    printf(
-                            "SET vcpu%u = %lld\n"
-                            , vcpu_m->id
-                            , (collected_number)vcpu_m->ns
-                    );
-                }
-            }
-            printf("END\n");
-
-            // ----------------------------------------------------------------
-
-            if(unlikely(!d->mem_chart_generated)) {
-                print_domain_mem_chart_definition(type, CHART_IS_NOT_OBSOLETE);
-                d->mem_chart_generated = 1;
-            }
-            printf(
-                    "BEGIN %s.mem\n"
-                    "SET maximum = %lld\n"
-                    "SET current = %lld\n"
-                    "END\n"
-                    , type
-                    , (collected_number)d->max_mem
-                    , (collected_number)d->cur_mem
-            );
-
-            // ----------------------------------------------------------------
-
-            struct vbd_metrics *vbd_m;
-            for(vbd_m = d->vbd_root; vbd_m; vbd_m = vbd_m->next) {
-                if(likely(vbd_m->updated && !vbd_m->error)) {
-                    if(unlikely(!vbd_m->oo_req_chart_generated)) {
-                        print_domain_vbd_oo_chart_definition(type, vbd_m->id, CHART_IS_NOT_OBSOLETE);
-                        vbd_m->oo_req_chart_generated = 1;
-                    }
-                    printf(
-                            "BEGIN %s.oo_req_vbd%u\n"
-                            "SET requests = %lld\n"
-                            "END\n"
-                            , type
-                            , vbd_m->id
-                            , (collected_number)vbd_m->oo_reqs
-                    );
-
-                    // ----------------------------------------------------------------
-
-                    if(unlikely(!vbd_m->requests_chart_generated)) {
-                        print_domain_vbd_requests_chart_definition(type, vbd_m->id, CHART_IS_NOT_OBSOLETE);
-                        vbd_m->requests_chart_generated = 1;
-                    }
-                    printf(
-                            "BEGIN %s.requests_vbd%u\n"
-                            "SET read = %lld\n"
-                            "SET write = %lld\n"
-                            "END\n"
-                            , type
-                            , vbd_m->id
-                            , (collected_number)vbd_m->rd_reqs
-                            , (collected_number)vbd_m->wr_reqs
-                    );
-
-                    // ----------------------------------------------------------------
-
-                    if(unlikely(!vbd_m->sectors_chart_generated)) {
-                        print_domain_vbd_sectors_chart_definition(type, vbd_m->id, CHART_IS_NOT_OBSOLETE);
-                        vbd_m->sectors_chart_generated = 1;
-                    }
-                    printf(
-                            "BEGIN %s.sectors_vbd%u\n"
-                            "SET read = %lld\n"
-                            "SET write = %lld\n"
-                            "END\n"
-                            , type
-                            , vbd_m->id
-                            , (collected_number)vbd_m->rd_sects
-                            , (collected_number)vbd_m->wr_sects
-                    );
-                }
-                else {
-                    if(unlikely(vbd_m->oo_req_chart_generated
-                                || vbd_m->requests_chart_generated
-                                || vbd_m->sectors_chart_generated)) {
-                        if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: mark charts as obsolete for vbd %u, domain '%s', id %u, uuid %s\n", vbd_m->id, d->name, d->id, d->uuid);
-                        print_domain_vbd_oo_chart_definition(type, vbd_m->id, CHART_IS_OBSOLETE);
-                        print_domain_vbd_requests_chart_definition(type, vbd_m->id, CHART_IS_OBSOLETE);
-                        print_domain_vbd_sectors_chart_definition(type, vbd_m->id, CHART_IS_OBSOLETE);
-                        vbd_m->oo_req_chart_generated = 0;
-                        vbd_m->requests_chart_generated = 0;
-                        vbd_m->sectors_chart_generated = 0;
-                    }
-                }
-            }
-
-            // ----------------------------------------------------------------
-
-            struct network_metrics *network_m;
-            for(network_m = d->network_root; network_m; network_m = network_m->next) {
-                if(likely(network_m->updated)) {
-                    if(unlikely(!network_m->bytes_chart_generated)) {
-                        print_domain_network_bytes_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE);
-                        network_m->bytes_chart_generated = 1;
-                    }
-                    printf(
-                            "BEGIN %s.bytes_network%u\n"
-                            "SET received = %lld\n"
-                            "SET sent = %lld\n"
-                            "END\n"
-                            , type
-                            , network_m->id
-                            , (collected_number)network_m->rbytes
-                            , (collected_number)network_m->tbytes
-                    );
-
-                    // ----------------------------------------------------------------
-
-                    if(unlikely(!network_m->packets_chart_generated)) {
-                        print_domain_network_packets_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE);
-                        network_m->packets_chart_generated = 1;
-                    }
-                    printf(
-                            "BEGIN %s.packets_network%u\n"
-                            "SET received = %lld\n"
-                            "SET sent = %lld\n"
-                            "END\n"
-                            , type
-                            , network_m->id
-                            , (collected_number)network_m->rpackets
-                            , (collected_number)network_m->tpackets
-                    );
-
-                    // ----------------------------------------------------------------
-
-                    if(unlikely(!network_m->errors_chart_generated)) {
-                        print_domain_network_errors_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE);
-                        network_m->errors_chart_generated = 1;
-                    }
-                    printf(
-                            "BEGIN %s.errors_network%u\n"
-                            "SET received = %lld\n"
-                            "SET sent = %lld\n"
-                            "END\n"
-                            , type
-                            , network_m->id
-                            , (collected_number)network_m->rerrs
-                            , (collected_number)network_m->terrs
-                    );
-
-                    // ----------------------------------------------------------------
-
-                    if(unlikely(!network_m->drops_chart_generated)) {
-                        print_domain_network_drops_chart_definition(type, network_m->id, CHART_IS_NOT_OBSOLETE);
-                        network_m->drops_chart_generated = 1;
-                    }
-                    printf(
-                            "BEGIN %s.drops_network%u\n"
-                            "SET received = %lld\n"
-                            "SET sent = %lld\n"
-                            "END\n"
-                            , type
-                            , network_m->id
-                            , (collected_number)network_m->rdrops
-                            , (collected_number)network_m->tdrops
-                    );
-                }
-                else {
-                    if(unlikely(network_m->bytes_chart_generated
-                                || network_m->packets_chart_generated
-                                || network_m->errors_chart_generated
-                                || network_m->drops_chart_generated))
-                    if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: mark charts as obsolete for network %u, domain '%s', id %u, uuid %s\n", network_m->id, d->name, d->id, d->uuid);
-                    print_domain_network_bytes_chart_definition(type, network_m->id, CHART_IS_OBSOLETE);
-                    print_domain_network_packets_chart_definition(type, network_m->id, CHART_IS_OBSOLETE);
-                    print_domain_network_errors_chart_definition(type, network_m->id, CHART_IS_OBSOLETE);
-                    print_domain_network_drops_chart_definition(type, network_m->id, CHART_IS_OBSOLETE);
-                    network_m->bytes_chart_generated   = 0;
-                    network_m->packets_chart_generated = 0;
-                    network_m->errors_chart_generated  = 0;
-                    network_m->drops_chart_generated   = 0;
-                }
-            }
-        }
-        else{
-            if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: mark charts as obsolete for domain '%s', id %u, uuid %s\n", d->name, d->id, d->uuid);
-            print_domain_states_chart_definition(type, CHART_IS_OBSOLETE);
-            print_domain_cpu_chart_definition(type, CHART_IS_OBSOLETE);
-            print_domain_vcpu_chart_definition(type, d, CHART_IS_OBSOLETE);
-            print_domain_mem_chart_definition(type, CHART_IS_OBSOLETE);
-
-            d = domain_metrics_free(d);
-        }
-    }
-}
-
-int main(int argc, char **argv) {
-    clocks_init();
-
-    // ------------------------------------------------------------------------
-    // initialization of netdata plugin
-
-    program_name = PLUGIN_XENSTAT_NAME;
-
-    nd_log_initialize_for_external_plugins(PLUGIN_XENSTAT_NAME);
-
-    // ------------------------------------------------------------------------
-    // parse command line parameters
-
-    int i, freq = 0;
-    for(i = 1; i < argc ; i++) {
-        if(isdigit(*argv[i]) && !freq) {
-            int n = str2i(argv[i]);
-            if(n > 0 && n < 86400) {
-                freq = n;
-                continue;
-            }
-        }
-        else if(strcmp("version", argv[i]) == 0 || strcmp("-version", argv[i]) == 0 || strcmp("--version", argv[i]) == 0 || strcmp("-v", argv[i]) == 0 || strcmp("-V", argv[i]) == 0) {
-            printf("xenstat.plugin %s\n", VERSION);
-            exit(0);
-        }
-        else if(strcmp("debug", argv[i]) == 0) {
-            debug = 1;
-            continue;
-        }
-        else if(strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
-            fprintf(stderr,
-                    "\n"
-                    " netdata xenstat.plugin %s\n"
-                    " Copyright (C) 2019 Netdata Inc.\n"
-                    " Released under GNU General Public License v3 or later.\n"
-                    " All rights reserved.\n"
-                    "\n"
-                    " This program is a data collector plugin for netdata.\n"
-                    "\n"
-                    " Available command line options:\n"
-                    "\n"
-                    "  COLLECTION_FREQUENCY    data collection frequency in seconds\n"
-                    "                          minimum: %d\n"
-                    "\n"
-                    "  debug                   enable verbose output\n"
-                    "                          default: disabled\n"
-                    "\n"
-                    "  -v\n"
-                    "  -V\n"
-                    "  --version               print version and exit\n"
-                    "\n"
-                    "  -h\n"
-                    "  --help                  print this message and exit\n"
-                    "\n"
-                    " For more information:\n"
-                    " https://github.com/netdata/netdata/tree/master/collectors/xenstat.plugin\n"
-                    "\n"
-                    , VERSION
-                    , netdata_update_every
-            );
-            exit(1);
-        }
-
-        netdata_log_error("xenstat.plugin: ignoring parameter '%s'", argv[i]);
-    }
-
-    errno = 0;
-
-    if(freq >= netdata_update_every)
-        netdata_update_every = freq;
-    else if(freq)
-        netdata_log_error("update frequency %d seconds is too small for XENSTAT. Using %d.", freq, netdata_update_every);
-
-    // ------------------------------------------------------------------------
-    // initialize xen API handles
-    xenstat_handle *xhandle = NULL;
-    libxl_ctx *ctx = NULL;
-    libxl_dominfo info;
-
-    if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_init()\n");
-    xhandle = xenstat_init();
-    if (xhandle == NULL) {
-        netdata_log_error("XENSTAT: failed to initialize xenstat library.");
-        return 1;
-    }
-
-    if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling libxl_ctx_alloc()\n");
-    if (libxl_ctx_alloc(&ctx, LIBXL_VERSION, 0, NULL)) {
-        netdata_log_error("XENSTAT: failed to initialize xl context.");
-        xenstat_uninit(xhandle);
-        return 1;
-    }
-    libxl_dominfo_init(&info);
-
-    // ------------------------------------------------------------------------
-    // the main loop
-
-    if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: starting data collection\n");
-
-    time_t started_t = now_monotonic_sec();
-
-    size_t iteration;
-    usec_t step = netdata_update_every * USEC_PER_SEC;
-
-    heartbeat_t hb;
-    heartbeat_init(&hb);
-    for(iteration = 0; 1; iteration++) {
-        usec_t dt = heartbeat_next(&hb, step);
-
-        if(unlikely(netdata_exit)) break;
-
-        if(unlikely(debug && iteration))
-            fprintf(stderr, "xenstat.plugin: iteration %zu, dt %llu usec\n"
-                    , iteration
-                    , dt
-            );
-
-        if(likely(xhandle)) {
-            if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_collect()\n");
-            int ret = xenstat_collect(xhandle, ctx, &info);
-
-            if(likely(!ret)) {
-                if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_send_node_metrics()\n");
-                xenstat_send_node_metrics();
-                if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: calling xenstat_send_domain_metrics()\n");
-                xenstat_send_domain_metrics();
-            }
-            else {
-                if(unlikely(debug)) fprintf(stderr, "xenstat.plugin: can't collect data\n");
-            }
-        }
-
-        fflush(stdout);
-
-        // restart check (14400 seconds)
-        if(unlikely(now_monotonic_sec() - started_t > 14400)) break;
-    }
-
-    libxl_ctx_free(ctx);
-    xenstat_uninit(xhandle);
-    netdata_log_info("XENSTAT process exiting");
-    
-    return 0;
-}