Merging upstream version 1.11.0+dfsg.

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

1 files changed, 0 insertions, 819 deletions

diff --git a/src/plugin_nfacct.c b/src/plugin_nfacct.c
deleted file mode 100644
index 02815ef0..00000000
--- a/src/plugin_nfacct.c
+++ /dev/null
@@ -1,819 +0,0 @@
-#include "common.h"
-
-#ifdef INTERNAL_PLUGIN_NFACCT
-
-#ifdef HAVE_LIBMNL
-#include <libmnl/libmnl.h>
-
-static inline size_t mnl_buffer_size() {
-    long s = MNL_SOCKET_BUFFER_SIZE;
-    if(s <= 0) return 8192;
-    return (size_t)s;
-}
-
-// ----------------------------------------------------------------------------
-// DO_NFSTAT - collect netfilter connection tracker statistics via netlink
-// example: https://github.com/formorer/pkg-conntrack-tools/blob/master/src/conntrack.c
-
-#ifdef HAVE_LINUX_NETFILTER_NFNETLINK_CONNTRACK_H
-#define DO_NFSTAT 1
-
-#define RRD_TYPE_NET_STAT_NETFILTER "netfilter"
-#define RRD_TYPE_NET_STAT_CONNTRACK "netlink" // FIXME: should be "conntrack" when merged with the /proc plugin
-
-#include <linux/netfilter/nfnetlink_conntrack.h>
-
-static struct {
-    int update_every;
-    char *buf;
-    size_t buf_size;
-    struct mnl_socket *mnl;
-    struct nlmsghdr *nlh;
-    struct nfgenmsg *nfh;
-    unsigned int seq;
-    uint32_t portid;
-
-    struct nlattr *tb[CTA_STATS_MAX+1];
-    const char *attr2name[CTA_STATS_MAX+1];
-    kernel_uint_t metrics[CTA_STATS_MAX+1];
-
-    struct nlattr *tb_exp[CTA_STATS_EXP_MAX+1];
-    const char *attr2name_exp[CTA_STATS_EXP_MAX+1];
-    kernel_uint_t metrics_exp[CTA_STATS_EXP_MAX+1];
-} nfstat_root = {
-        .update_every = 1,
-        .buf = NULL,
-        .buf_size = 0,
-        .mnl = NULL,
-        .nlh = NULL,
-        .nfh = NULL,
-        .seq = 0,
-        .portid = 0,
-        .tb = {},
-        .attr2name = {
-                [CTA_STATS_SEARCHED]	   = "searched",
-                [CTA_STATS_FOUND]	       = "found",
-                [CTA_STATS_NEW]		       = "new",
-                [CTA_STATS_INVALID]	       = "invalid",
-                [CTA_STATS_IGNORE]	       = "ignore",
-                [CTA_STATS_DELETE]	       = "delete",
-                [CTA_STATS_DELETE_LIST]	   = "delete_list",
-                [CTA_STATS_INSERT]	       = "insert",
-                [CTA_STATS_INSERT_FAILED]  = "insert_failed",
-                [CTA_STATS_DROP]	       = "drop",
-                [CTA_STATS_EARLY_DROP]	   = "early_drop",
-                [CTA_STATS_ERROR]	       = "icmp_error",
-                [CTA_STATS_SEARCH_RESTART] = "search_restart",
-        },
-        .metrics = {},
-        .tb_exp = {},
-        .attr2name_exp = {
-                [CTA_STATS_EXP_NEW]	       = "new",
-                [CTA_STATS_EXP_CREATE]	   = "created",
-                [CTA_STATS_EXP_DELETE]	   = "deleted",
-        },
-        .metrics_exp = {}
-};
-
-
-static int nfstat_init(int update_every) {
-    nfstat_root.update_every = update_every;
-
-    nfstat_root.buf_size = mnl_buffer_size();
-    nfstat_root.buf = mallocz(nfstat_root.buf_size);
-
-    nfstat_root.mnl  = mnl_socket_open(NETLINK_NETFILTER);
-    if(!nfstat_root.mnl) {
-        error("NFSTAT: mnl_socket_open() failed");
-        return 1;
-    }
-
-    nfstat_root.seq = (unsigned int)now_realtime_sec() - 1;
-
-    if(mnl_socket_bind(nfstat_root.mnl, 0, MNL_SOCKET_AUTOPID) < 0) {
-        error("NFSTAT: mnl_socket_bind() failed");
-        return 1;
-    }
-    nfstat_root.portid = mnl_socket_get_portid(nfstat_root.mnl);
-
-    return 0;
-}
-
-static void nfstat_cleanup() {
-    if(nfstat_root.mnl) {
-        mnl_socket_close(nfstat_root.mnl);
-        nfstat_root.mnl = NULL;
-    }
-
-    freez(nfstat_root.buf);
-    nfstat_root.buf = NULL;
-    nfstat_root.buf_size = 0;
-}
-
-static struct nlmsghdr * nfct_mnl_nlmsghdr_put(char *buf, uint16_t subsys, uint16_t type, uint8_t family, uint32_t seq) {
-    struct nlmsghdr *nlh;
-    struct nfgenmsg *nfh;
-
-    nlh = mnl_nlmsg_put_header(buf);
-    nlh->nlmsg_type = (subsys << 8) | type;
-    nlh->nlmsg_flags = NLM_F_REQUEST|NLM_F_DUMP;
-    nlh->nlmsg_seq = seq;
-
-    nfh = mnl_nlmsg_put_extra_header(nlh, sizeof(struct nfgenmsg));
-    nfh->nfgen_family = family;
-    nfh->version = NFNETLINK_V0;
-    nfh->res_id = 0;
-
-    return nlh;
-}
-
-static int nfct_stats_attr_cb(const struct nlattr *attr, void *data) {
-    const struct nlattr **tb = data;
-    int type = mnl_attr_get_type(attr);
-
-    if (mnl_attr_type_valid(attr, CTA_STATS_MAX) < 0)
-        return MNL_CB_OK;
-
-    if (mnl_attr_validate(attr, MNL_TYPE_U32) < 0) {
-        error("NFSTAT: mnl_attr_validate() failed");
-        return MNL_CB_ERROR;
-    }
-
-    tb[type] = attr;
-    return MNL_CB_OK;
-}
-
-static int nfstat_callback(const struct nlmsghdr *nlh, void *data) {
-    (void)data;
-
-    struct nfgenmsg *nfg = mnl_nlmsg_get_payload(nlh);
-
-    mnl_attr_parse(nlh, sizeof(*nfg), nfct_stats_attr_cb, nfstat_root.tb);
-
-    // printf("cpu=%-4u\t", ntohs(nfg->res_id));
-
-    int i;
-    // add the metrics of this CPU into the metrics
-    for (i = 0; i < CTA_STATS_MAX+1; i++) {
-        if (nfstat_root.tb[i]) {
-            // printf("%s=%u ", nfstat_root.attr2name[i], ntohl(mnl_attr_get_u32(nfstat_root.tb[i])));
-            nfstat_root.metrics[i] += ntohl(mnl_attr_get_u32(nfstat_root.tb[i]));
-        }
-    }
-    // printf("\n");
-
-    return MNL_CB_OK;
-}
-
-static int nfstat_collect_conntrack() {
-    // zero all metrics - we will sum the metrics of all CPUs later
-    int i;
-    for (i = 0; i < CTA_STATS_MAX+1; i++)
-        nfstat_root.metrics[i] = 0;
-
-    // prepare the request
-    nfstat_root.nlh = nfct_mnl_nlmsghdr_put(nfstat_root.buf, NFNL_SUBSYS_CTNETLINK, IPCTNL_MSG_CT_GET_STATS_CPU, AF_UNSPEC, nfstat_root.seq);
-
-    // send the request
-    if(mnl_socket_sendto(nfstat_root.mnl, nfstat_root.nlh, nfstat_root.nlh->nlmsg_len) < 0) {
-        error("NFSTAT: mnl_socket_sendto() failed");
-        return 1;
-    }
-
-    // get the reply
-    ssize_t ret;
-    while ((ret = mnl_socket_recvfrom(nfstat_root.mnl, nfstat_root.buf, nfstat_root.buf_size)) > 0) {
-        if(mnl_cb_run(
-                nfstat_root.buf
-                , (size_t)ret
-                , nfstat_root.nlh->nlmsg_seq
-                , nfstat_root.portid
-                , nfstat_callback
-                , NULL
-        ) <= MNL_CB_STOP)
-            break;
-    }
-
-    // verify we run without issues
-    if (ret == -1) {
-        error("NFSTAT: error communicating with kernel. This plugin can only work when netdata runs as root.");
-        return 1;
-    }
-
-    return 0;
-}
-
-static int nfexp_stats_attr_cb(const struct nlattr *attr, void *data)
-{
-    const struct nlattr **tb = data;
-    int type = mnl_attr_get_type(attr);
-
-    if (mnl_attr_type_valid(attr, CTA_STATS_EXP_MAX) < 0)
-        return MNL_CB_OK;
-
-    if (mnl_attr_validate(attr, MNL_TYPE_U32) < 0) {
-        error("NFSTAT EXP: mnl_attr_validate() failed");
-        return MNL_CB_ERROR;
-    }
-
-    tb[type] = attr;
-    return MNL_CB_OK;
-}
-
-static int nfstat_callback_exp(const struct nlmsghdr *nlh, void *data) {
-    (void)data;
-
-    struct nfgenmsg *nfg = mnl_nlmsg_get_payload(nlh);
-
-    mnl_attr_parse(nlh, sizeof(*nfg), nfexp_stats_attr_cb, nfstat_root.tb_exp);
-
-    int i;
-    for (i = 0; i < CTA_STATS_EXP_MAX+1; i++) {
-        if (nfstat_root.tb_exp[i]) {
-            nfstat_root.metrics_exp[i] += ntohl(mnl_attr_get_u32(nfstat_root.tb_exp[i]));
-        }
-    }
-
-    return MNL_CB_OK;
-}
-
-static int nfstat_collect_conntrack_expectations() {
-    // zero all metrics - we will sum the metrics of all CPUs later
-    int i;
-    for (i = 0; i < CTA_STATS_EXP_MAX+1; i++)
-        nfstat_root.metrics_exp[i] = 0;
-
-    // prepare the request
-    nfstat_root.nlh = nfct_mnl_nlmsghdr_put(nfstat_root.buf, NFNL_SUBSYS_CTNETLINK_EXP, IPCTNL_MSG_EXP_GET_STATS_CPU, AF_UNSPEC, nfstat_root.seq);
-
-    // send the request
-    if(mnl_socket_sendto(nfstat_root.mnl, nfstat_root.nlh, nfstat_root.nlh->nlmsg_len) < 0) {
-        error("NFSTAT: mnl_socket_sendto() failed");
-        return 1;
-    }
-
-    // get the reply
-    ssize_t ret;
-    while ((ret = mnl_socket_recvfrom(nfstat_root.mnl, nfstat_root.buf, nfstat_root.buf_size)) > 0) {
-        if(mnl_cb_run(
-                nfstat_root.buf
-                , (size_t)ret
-                , nfstat_root.nlh->nlmsg_seq
-                , nfstat_root.portid
-                , nfstat_callback_exp
-                , NULL
-        ) <= MNL_CB_STOP)
-            break;
-    }
-
-    // verify we run without issues
-    if (ret == -1) {
-        error("NFSTAT: error communicating with kernel. This plugin can only work when netdata runs as root.");
-        return 1;
-    }
-
-    return 0;
-}
-
-static int nfstat_collect() {
-    nfstat_root.seq++;
-
-    if(nfstat_collect_conntrack())
-        return 1;
-
-    if(nfstat_collect_conntrack_expectations())
-        return 1;
-
-    return 0;
-}
-
-static void nfstat_send_metrics() {
-
-    {
-        static RRDSET *st_new = NULL;
-        static RRDDIM *rd_new = NULL, *rd_ignore = NULL, *rd_invalid = NULL;
-
-        if(!st_new) {
-            st_new = rrdset_create_localhost(
-                    RRD_TYPE_NET_STAT_NETFILTER
-                    , RRD_TYPE_NET_STAT_CONNTRACK "_new"
-                    , NULL
-                    , RRD_TYPE_NET_STAT_CONNTRACK
-                    , NULL
-                    , "Connection Tracker New Connections"
-                    , "connections/s"
-                    , "nfacct"
-                    , NULL
-                    , 3001
-                    , nfstat_root.update_every
-                    , RRDSET_TYPE_LINE
-            );
-
-            rd_new     = rrddim_add(st_new, nfstat_root.attr2name[CTA_STATS_NEW], NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rd_ignore  = rrddim_add(st_new, nfstat_root.attr2name[CTA_STATS_IGNORE], NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rd_invalid = rrddim_add(st_new, nfstat_root.attr2name[CTA_STATS_INVALID], NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-        }
-        else
-            rrdset_next(st_new);
-
-        rrddim_set_by_pointer(st_new, rd_new, (collected_number) nfstat_root.metrics[CTA_STATS_NEW]);
-        rrddim_set_by_pointer(st_new, rd_ignore, (collected_number) nfstat_root.metrics[CTA_STATS_IGNORE]);
-        rrddim_set_by_pointer(st_new, rd_invalid, (collected_number) nfstat_root.metrics[CTA_STATS_INVALID]);
-
-        rrdset_done(st_new);
-    }
-
-    // ----------------------------------------------------------------
-
-    {
-        static RRDSET *st_changes = NULL;
-        static RRDDIM *rd_inserted = NULL, *rd_deleted = NULL, *rd_delete_list = NULL;
-
-        if(!st_changes) {
-            st_changes = rrdset_create_localhost(
-                    RRD_TYPE_NET_STAT_NETFILTER
-                    , RRD_TYPE_NET_STAT_CONNTRACK "_changes"
-                    , NULL
-                    , RRD_TYPE_NET_STAT_CONNTRACK
-                    , NULL
-                    , "Connection Tracker Changes"
-                    , "changes/s"
-                    , "nfacct"
-                    , NULL
-                    , 3002
-                    , nfstat_root.update_every
-                    , RRDSET_TYPE_LINE
-            );
-            rrdset_flag_set(st_changes, RRDSET_FLAG_DETAIL);
-
-            rd_inserted = rrddim_add(st_changes, nfstat_root.attr2name[CTA_STATS_INSERT], NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rd_deleted = rrddim_add(st_changes, nfstat_root.attr2name[CTA_STATS_DELETE], NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rd_delete_list = rrddim_add(st_changes, nfstat_root.attr2name[CTA_STATS_DELETE_LIST], NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-        }
-        else
-            rrdset_next(st_changes);
-
-        rrddim_set_by_pointer(st_changes, rd_inserted, (collected_number) nfstat_root.metrics[CTA_STATS_INSERT]);
-        rrddim_set_by_pointer(st_changes, rd_deleted, (collected_number) nfstat_root.metrics[CTA_STATS_DELETE]);
-        rrddim_set_by_pointer(st_changes, rd_delete_list, (collected_number) nfstat_root.metrics[CTA_STATS_DELETE_LIST]);
-
-        rrdset_done(st_changes);
-    }
-
-    // ----------------------------------------------------------------
-
-    {
-        static RRDSET *st_search = NULL;
-        static RRDDIM *rd_searched = NULL, *rd_restarted = NULL, *rd_found = NULL;
-
-        if(!st_search) {
-            st_search = rrdset_create_localhost(
-                    RRD_TYPE_NET_STAT_NETFILTER
-                    , RRD_TYPE_NET_STAT_CONNTRACK "_search"
-                    , NULL
-                    , RRD_TYPE_NET_STAT_CONNTRACK
-                    , NULL
-                    , "Connection Tracker Searches"
-                    , "searches/s"
-                    , "nfacct"
-                    , NULL
-                    , 3010
-                    , nfstat_root.update_every
-                    , RRDSET_TYPE_LINE
-            );
-            rrdset_flag_set(st_search, RRDSET_FLAG_DETAIL);
-
-            rd_searched = rrddim_add(st_search, nfstat_root.attr2name[CTA_STATS_SEARCHED], NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rd_restarted = rrddim_add(st_search, nfstat_root.attr2name[CTA_STATS_SEARCH_RESTART], NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rd_found = rrddim_add(st_search, nfstat_root.attr2name[CTA_STATS_FOUND], NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-        }
-        else
-            rrdset_next(st_search);
-
-        rrddim_set_by_pointer(st_search, rd_searched, (collected_number) nfstat_root.metrics[CTA_STATS_SEARCHED]);
-        rrddim_set_by_pointer(st_search, rd_restarted, (collected_number) nfstat_root.metrics[CTA_STATS_SEARCH_RESTART]);
-        rrddim_set_by_pointer(st_search, rd_found, (collected_number) nfstat_root.metrics[CTA_STATS_FOUND]);
-
-        rrdset_done(st_search);
-    }
-
-    // ----------------------------------------------------------------
-
-    {
-        static RRDSET *st_errors = NULL;
-        static RRDDIM *rd_error = NULL, *rd_insert_failed = NULL, *rd_drop = NULL, *rd_early_drop = NULL;
-
-        if(!st_errors) {
-            st_errors = rrdset_create_localhost(
-                    RRD_TYPE_NET_STAT_NETFILTER
-                    , RRD_TYPE_NET_STAT_CONNTRACK "_errors"
-                    , NULL
-                    , RRD_TYPE_NET_STAT_CONNTRACK
-                    , NULL
-                    , "Connection Tracker Errors"
-                    , "events/s"
-                    , "nfacct"
-                    , NULL
-                    , 3005
-                    , nfstat_root.update_every
-                    , RRDSET_TYPE_LINE
-            );
-            rrdset_flag_set(st_errors, RRDSET_FLAG_DETAIL);
-
-            rd_error = rrddim_add(st_errors, nfstat_root.attr2name[CTA_STATS_ERROR], NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rd_insert_failed = rrddim_add(st_errors, nfstat_root.attr2name[CTA_STATS_INSERT_FAILED], NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rd_drop = rrddim_add(st_errors, nfstat_root.attr2name[CTA_STATS_DROP], NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rd_early_drop = rrddim_add(st_errors, nfstat_root.attr2name[CTA_STATS_EARLY_DROP], NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-        }
-        else
-            rrdset_next(st_errors);
-
-        rrddim_set_by_pointer(st_errors, rd_error, (collected_number) nfstat_root.metrics[CTA_STATS_ERROR]);
-        rrddim_set_by_pointer(st_errors, rd_insert_failed, (collected_number) nfstat_root.metrics[CTA_STATS_INSERT_FAILED]);
-        rrddim_set_by_pointer(st_errors, rd_drop, (collected_number) nfstat_root.metrics[CTA_STATS_DROP]);
-        rrddim_set_by_pointer(st_errors, rd_early_drop, (collected_number) nfstat_root.metrics[CTA_STATS_EARLY_DROP]);
-
-        rrdset_done(st_errors);
-    }
-
-    // ----------------------------------------------------------------
-
-    {
-        static RRDSET *st_expect = NULL;
-        static RRDDIM *rd_new = NULL, *rd_created = NULL, *rd_deleted = NULL;
-
-        if(!st_expect) {
-            st_expect = rrdset_create_localhost(
-                    RRD_TYPE_NET_STAT_NETFILTER
-                    , RRD_TYPE_NET_STAT_CONNTRACK "_expect"
-                    , NULL
-                    , RRD_TYPE_NET_STAT_CONNTRACK
-                    , NULL
-                    , "Connection Tracker Expectations"
-                    , "expectations/s"
-                    , "nfacct"
-                    , NULL
-                    , 3003
-                    , nfstat_root.update_every
-                    , RRDSET_TYPE_LINE
-            );
-            rrdset_flag_set(st_expect, RRDSET_FLAG_DETAIL);
-
-            rd_created = rrddim_add(st_expect, nfstat_root.attr2name_exp[CTA_STATS_EXP_CREATE], NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rd_deleted = rrddim_add(st_expect, nfstat_root.attr2name_exp[CTA_STATS_EXP_DELETE], NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
-            rd_new = rrddim_add(st_expect, nfstat_root.attr2name_exp[CTA_STATS_EXP_NEW], NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
-        }
-        else
-            rrdset_next(st_expect);
-
-        rrddim_set_by_pointer(st_expect, rd_created, (collected_number) nfstat_root.metrics_exp[CTA_STATS_EXP_CREATE]);
-        rrddim_set_by_pointer(st_expect, rd_deleted, (collected_number) nfstat_root.metrics_exp[CTA_STATS_EXP_DELETE]);
-        rrddim_set_by_pointer(st_expect, rd_new, (collected_number) nfstat_root.metrics_exp[CTA_STATS_EXP_NEW]);
-
-        rrdset_done(st_expect);
-    }
-
-}
-
-#endif // HAVE_LINUX_NETFILTER_NFNETLINK_CONNTRACK_H
-
-
-// ----------------------------------------------------------------------------
-// DO_NFACCT - collect netfilter accounting statistics via netlink
-
-#ifdef HAVE_LIBNETFILTER_ACCT
-#define DO_NFACCT 1
-
-#include <libnetfilter_acct/libnetfilter_acct.h>
-
-struct nfacct_data {
-    char *name;
-    uint32_t hash;
-
-    uint64_t pkts;
-    uint64_t bytes;
-
-    RRDDIM *rd_bytes;
-    RRDDIM *rd_packets;
-
-    int updated;
-
-    struct nfacct_data *next;
-};
-
-static struct {
-    int update_every;
-    char *buf;
-    size_t buf_size;
-    struct mnl_socket *mnl;
-    struct nlmsghdr *nlh;
-    unsigned int seq;
-    uint32_t portid;
-    struct nfacct *nfacct_buffer;
-    struct nfacct_data *nfacct_metrics;
-} nfacct_root = {
-        .update_every = 1,
-        .buf = NULL,
-        .buf_size = 0,
-        .mnl = NULL,
-        .nlh = NULL,
-        .seq = 0,
-        .portid = 0,
-        .nfacct_buffer = NULL,
-        .nfacct_metrics = NULL
-};
-
-static inline struct nfacct_data *nfacct_data_get(const char *name, uint32_t hash) {
-    struct nfacct_data *d = NULL, *last = NULL;
-    for(d = nfacct_root.nfacct_metrics; d ; last = d, d = d->next) {
-        if(unlikely(d->hash == hash && !strcmp(d->name, name)))
-            return d;
-    }
-
-    d = callocz(1, sizeof(struct nfacct_data));
-    d->name = strdupz(name);
-    d->hash = hash;
-
-    if(!last) {
-        d->next = nfacct_root.nfacct_metrics;
-        nfacct_root.nfacct_metrics = d;
-    }
-    else {
-        d->next = last->next;
-        last->next = d;
-    }
-
-    return d;
-}
-
-static int nfacct_init(int update_every) {
-    nfacct_root.update_every = update_every;
-
-    nfacct_root.buf_size = mnl_buffer_size();
-    nfacct_root.buf = mallocz(nfacct_root.buf_size);
-
-    nfacct_root.nfacct_buffer = nfacct_alloc();
-    if(!nfacct_root.nfacct_buffer) {
-        error("nfacct.plugin: nfacct_alloc() failed.");
-        return 0;
-    }
-
-    nfacct_root.seq = (unsigned int)now_realtime_sec() - 1;
-
-    nfacct_root.mnl  = mnl_socket_open(NETLINK_NETFILTER);
-    if(!nfacct_root.mnl) {
-        error("nfacct.plugin: mnl_socket_open() failed");
-        return 1;
-    }
-
-    if(mnl_socket_bind(nfacct_root.mnl, 0, MNL_SOCKET_AUTOPID) < 0) {
-        error("nfacct.plugin: mnl_socket_bind() failed");
-        return 1;
-    }
-    nfacct_root.portid = mnl_socket_get_portid(nfacct_root.mnl);
-
-    return 0;
-}
-
-static void nfacct_cleanup() {
-    if(nfacct_root.mnl) {
-        mnl_socket_close(nfacct_root.mnl);
-        nfacct_root.mnl = NULL;
-    }
-
-    if(nfacct_root.nfacct_buffer) {
-        nfacct_free(nfacct_root.nfacct_buffer);
-        nfacct_root.nfacct_buffer = NULL;
-    }
-
-    freez(nfacct_root.buf);
-    nfacct_root.buf = NULL;
-    nfacct_root.buf_size = 0;
-
-    // FIXME: cleanup the metrics linked list
-}
-
-static int nfacct_callback(const struct nlmsghdr *nlh, void *data) {
-    (void)data;
-
-    if(nfacct_nlmsg_parse_payload(nlh, nfacct_root.nfacct_buffer) < 0) {
-        error("NFACCT: nfacct_nlmsg_parse_payload() failed.");
-        return MNL_CB_OK;
-    }
-
-    const char *name = nfacct_attr_get_str(nfacct_root.nfacct_buffer, NFACCT_ATTR_NAME);
-    uint32_t hash = simple_hash(name);
-
-    struct nfacct_data *d = nfacct_data_get(name, hash);
-
-    d->pkts  = nfacct_attr_get_u64(nfacct_root.nfacct_buffer, NFACCT_ATTR_PKTS);
-    d->bytes = nfacct_attr_get_u64(nfacct_root.nfacct_buffer, NFACCT_ATTR_BYTES);
-    d->updated = 1;
-
-    return MNL_CB_OK;
-}
-
-static int nfacct_collect() {
-    // mark all old metrics as not-updated
-    struct nfacct_data *d;
-    for(d = nfacct_root.nfacct_metrics; d ; d = d->next)
-        d->updated = 0;
-
-    // prepare the request
-    nfacct_root.seq++;
-    nfacct_root.nlh = nfacct_nlmsg_build_hdr(nfacct_root.buf, NFNL_MSG_ACCT_GET, NLM_F_DUMP, (uint32_t)nfacct_root.seq);
-    if(!nfacct_root.nlh) {
-        error("NFACCT: nfacct_nlmsg_build_hdr() failed");
-        return 1;
-    }
-
-    // send the request
-    if(mnl_socket_sendto(nfacct_root.mnl, nfacct_root.nlh, nfacct_root.nlh->nlmsg_len) < 0) {
-        error("NFACCT: mnl_socket_sendto() failed");
-        return 1;
-    }
-
-    // get the reply
-    ssize_t ret;
-    while((ret = mnl_socket_recvfrom(nfacct_root.mnl, nfacct_root.buf, nfacct_root.buf_size)) > 0) {
-        if(mnl_cb_run(
-                nfacct_root.buf
-                , (size_t)ret
-                , nfacct_root.seq
-                , nfacct_root.portid
-                , nfacct_callback
-                , NULL
-        ) <= 0)
-            break;
-    }
-
-    // verify we run without issues
-    if (ret == -1) {
-        error("NFACCT: error communicating with kernel. This plugin can only work when netdata runs as root.");
-        return 1;
-    }
-
-    return 0;
-}
-
-static void nfacct_send_metrics() {
-    static RRDSET *st_bytes = NULL, *st_packets = NULL;
-
-    if(!nfacct_root.nfacct_metrics) return;
-    struct nfacct_data *d;
-
-    if(!st_packets) {
-        st_packets = rrdset_create_localhost(
-                "netfilter"
-                , "nfacct_packets"
-                , NULL
-                , "nfacct"
-                , NULL
-                , "Netfilter Accounting Packets"
-                , "packets/s"
-                , "nfacct"
-                , NULL
-                , 3206
-                , nfacct_root.update_every
-                , RRDSET_TYPE_STACKED
-        );
-    }
-    else rrdset_next(st_packets);
-
-    for(d = nfacct_root.nfacct_metrics; d ; d = d->next) {
-        if(likely(d->updated)) {
-            if(unlikely(!d->rd_packets))
-                d->rd_packets = rrddim_add(
-                        st_packets
-                        , d->name
-                        , NULL
-                        , 1
-                        , nfacct_root.update_every
-                        , RRD_ALGORITHM_INCREMENTAL
-                );
-
-            rrddim_set_by_pointer(
-                    st_packets
-                    , d->rd_packets
-                    , (collected_number)d->pkts
-            );
-        }
-    }
-
-    rrdset_done(st_packets);
-
-    // ----------------------------------------------------------------
-
-    st_bytes = rrdset_find_bytype_localhost("netfilter", "nfacct_bytes");
-    if(!st_bytes) {
-        st_bytes = rrdset_create_localhost(
-                "netfilter"
-                , "nfacct_bytes"
-                , NULL
-                , "nfacct"
-                , NULL
-                , "Netfilter Accounting Bandwidth"
-                , "kilobytes/s"
-                , "nfacct"
-                , NULL
-                , 3207
-                , nfacct_root.update_every
-                , RRDSET_TYPE_STACKED
-        );
-    }
-    else rrdset_next(st_bytes);
-
-    for(d = nfacct_root.nfacct_metrics; d ; d = d->next) {
-        if(likely(d->updated)) {
-            if(unlikely(!d->rd_bytes))
-                d->rd_bytes = rrddim_add(
-                        st_bytes
-                        , d->name
-                        , NULL
-                        , 1
-                        , 1000 * nfacct_root.update_every
-                        , RRD_ALGORITHM_INCREMENTAL
-                );
-
-            rrddim_set_by_pointer(
-                    st_bytes
-                    , d->rd_bytes
-                    , (collected_number)d->bytes
-            );
-        }
-    }
-
-    rrdset_done(st_bytes);
-}
-
-#endif // HAVE_LIBNETFILTER_ACCT
-#endif // HAVE_LIBMNL
-
-// ----------------------------------------------------------------------------
-
-static void nfacct_main_cleanup(void *ptr) {
-    struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
-    static_thread->enabled = NETDATA_MAIN_THREAD_EXITING;
-    info("cleaning up...");
-
-#ifdef DO_NFACCT
-    nfacct_cleanup();
-#endif
-
-#ifdef DO_NFSTAT
-    nfstat_cleanup();
-#endif
-
-    static_thread->enabled = NETDATA_MAIN_THREAD_EXITED;
-}
-
-void *nfacct_main(void *ptr) {
-    netdata_thread_cleanup_push(nfacct_main_cleanup, ptr);
-
-    int update_every = (int)config_get_number("plugin:netfilter", "update every", localhost->rrd_update_every);
-    if(update_every < localhost->rrd_update_every)
-        update_every = localhost->rrd_update_every;
-
-#ifdef DO_NFACCT
-    int nfacct = !nfacct_init(update_every);
-#endif
-
-#ifdef DO_NFSTAT
-    int nfstat = !nfstat_init(update_every);
-#endif
-
-    // ------------------------------------------------------------------------
-
-    usec_t step = update_every * USEC_PER_SEC;
-    heartbeat_t hb;
-    heartbeat_init(&hb);
-    for(;;) {
-        heartbeat_dt_usec(&hb);
-        heartbeat_next(&hb, step);
-
-        if(unlikely(netdata_exit)) break;
-
-#ifdef DO_NFACCT
-        if(likely(nfacct)) {
-            nfacct = !nfacct_collect();
-
-            if(likely(nfacct))
-                nfacct_send_metrics();
-        }
-#endif
-
-#ifdef DO_NFSTAT
-        if(likely(nfstat)) {
-            nfstat = !nfstat_collect();
-
-            if(likely(nfstat))
-                nfstat_send_metrics();
-        }
-#endif
-    }
-
-    netdata_thread_cleanup_pop(1);
-    return NULL;
-}
-
-#endif // INTERNAL_PLUGIN_NFACCT