Merging upstream version 1.11.0+dfsg.

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

1 files changed, 273 insertions, 0 deletions

diff --git a/collectors/proc.plugin/proc_net_sockstat6.c b/collectors/proc.plugin/proc_net_sockstat6.c
new file mode 100644
index 000000000..687b9bdeb
--- /dev/null
+++ b/collectors/proc.plugin/proc_net_sockstat6.c
@@ -0,0 +1,273 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "plugin_proc.h"
+
+#define PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME "/proc/net/sockstat6"
+
+static struct proc_net_sockstat6 {
+    kernel_uint_t tcp6_inuse;
+    kernel_uint_t udp6_inuse;
+    kernel_uint_t udplite6_inuse;
+    kernel_uint_t raw6_inuse;
+    kernel_uint_t frag6_inuse;
+} sockstat6_root = { 0 };
+
+int do_proc_net_sockstat6(int update_every, usec_t dt) {
+    (void)dt;
+
+    static procfile *ff = NULL;
+
+    static uint32_t hash_raw = 0,
+                    hash_frag = 0,
+                    hash_tcp = 0,
+                    hash_udp = 0,
+                    hash_udplite = 0;
+
+    static ARL_BASE *arl_tcp = NULL;
+    static ARL_BASE *arl_udp = NULL;
+    static ARL_BASE *arl_udplite = NULL;
+    static ARL_BASE *arl_raw = NULL;
+    static ARL_BASE *arl_frag = NULL;
+
+    static int do_tcp_sockets = -1, do_udp_sockets = -1, do_udplite_sockets = -1, do_raw_sockets = -1, do_frag_sockets = -1;
+
+    static char     *keys[6]  = { NULL };
+    static uint32_t hashes[6] = { 0 };
+    static ARL_BASE *bases[6] = { NULL };
+
+    if(unlikely(!arl_tcp)) {
+        do_tcp_sockets     = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat6", "ipv6 TCP sockets", CONFIG_BOOLEAN_AUTO);
+        do_udp_sockets     = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat6", "ipv6 UDP sockets", CONFIG_BOOLEAN_AUTO);
+        do_udplite_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat6", "ipv6 UDPLITE sockets", CONFIG_BOOLEAN_AUTO);
+        do_raw_sockets     = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat6", "ipv6 RAW sockets", CONFIG_BOOLEAN_AUTO);
+        do_frag_sockets    = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat6", "ipv6 FRAG sockets", CONFIG_BOOLEAN_AUTO);
+
+        arl_tcp = arl_create("sockstat6/TCP6", arl_callback_str2kernel_uint_t, 60);
+        arl_expect(arl_tcp, "inuse",  &sockstat6_root.tcp6_inuse);
+
+        arl_udp = arl_create("sockstat6/UDP6", arl_callback_str2kernel_uint_t, 60);
+        arl_expect(arl_udp, "inuse", &sockstat6_root.udp6_inuse);
+
+        arl_udplite = arl_create("sockstat6/UDPLITE6", arl_callback_str2kernel_uint_t, 60);
+        arl_expect(arl_udplite, "inuse", &sockstat6_root.udplite6_inuse);
+
+        arl_raw = arl_create("sockstat6/RAW6", arl_callback_str2kernel_uint_t, 60);
+        arl_expect(arl_raw, "inuse", &sockstat6_root.raw6_inuse);
+
+        arl_frag = arl_create("sockstat6/FRAG6", arl_callback_str2kernel_uint_t, 60);
+        arl_expect(arl_frag, "inuse", &sockstat6_root.frag6_inuse);
+
+        hash_tcp = simple_hash("TCP6");
+        hash_udp = simple_hash("UDP6");
+        hash_udplite = simple_hash("UDPLITE6");
+        hash_raw = simple_hash("RAW6");
+        hash_frag = simple_hash("FRAG6");
+
+        keys[0] = "TCP6";     hashes[0] = hash_tcp;     bases[0] = arl_tcp;
+        keys[1] = "UDP6";     hashes[1] = hash_udp;     bases[1] = arl_udp;
+        keys[2] = "UDPLITE6"; hashes[2] = hash_udplite; bases[2] = arl_udplite;
+        keys[3] = "RAW6";     hashes[3] = hash_raw;     bases[3] = arl_raw;
+        keys[4] = "FRAG6";    hashes[4] = hash_frag;    bases[4] = arl_frag;
+        keys[5] = NULL; // terminator
+    }
+
+    if(unlikely(!ff)) {
+        char filename[FILENAME_MAX + 1];
+        snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/net/sockstat6");
+        ff = procfile_open(config_get("plugin:proc:/proc/net/sockstat6", "filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
+        if(unlikely(!ff)) return 1;
+    }
+
+    ff = procfile_readall(ff);
+    if(unlikely(!ff)) return 0; // we return 0, so that we will retry to open it next time
+
+    size_t lines = procfile_lines(ff), l;
+
+    for(l = 0; l < lines ;l++) {
+        size_t  words = procfile_linewords(ff, l);
+        char     *key = procfile_lineword(ff, l, 0);
+        uint32_t hash = simple_hash(key);
+
+        int k;
+        for(k = 0; keys[k] ; k++) {
+            if(unlikely(hash == hashes[k] && strcmp(key, keys[k]) == 0)) {
+                // fprintf(stderr, "KEY: '%s', l=%zu, w=1, words=%zu\n", key, l, words);
+                ARL_BASE *arl = bases[k];
+                arl_begin(arl);
+                size_t w = 1;
+
+                while(w + 1 < words) {
+                    char *name  = procfile_lineword(ff, l, w); w++;
+                    char *value = procfile_lineword(ff, l, w); w++;
+                    // fprintf(stderr, " > NAME '%s', VALUE '%s', l=%zu, w=%zu, words=%zu\n", name, value, l, w, words);
+                    if(unlikely(arl_check(arl, name, value) != 0))
+                        break;
+                }
+
+                break;
+            }
+        }
+    }
+
+    // ------------------------------------------------------------------------
+
+    if(do_tcp_sockets == CONFIG_BOOLEAN_YES || (do_tcp_sockets == CONFIG_BOOLEAN_AUTO && (sockstat6_root.tcp6_inuse))) {
+        do_tcp_sockets = CONFIG_BOOLEAN_YES;
+
+        static RRDSET *st = NULL;
+        static RRDDIM *rd_inuse = NULL;
+
+        if(unlikely(!st)) {
+            st = rrdset_create_localhost(
+                    "ipv6"
+                    , "sockstat6_tcp_sockets"
+                    , NULL
+                    , "tcp6"
+                    , NULL
+                    , "IPv6 TCP Sockets"
+                    , "sockets"
+                    , PLUGIN_PROC_NAME
+                    , PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME
+                    , NETDATA_CHART_PRIO_IPV6_TCP
+                    , update_every
+                    , RRDSET_TYPE_LINE
+            );
+
+            rd_inuse    = rrddim_add(st, "inuse",     NULL,   1, 1, RRD_ALGORITHM_ABSOLUTE);
+        }
+        else rrdset_next(st);
+
+        rrddim_set_by_pointer(st, rd_inuse,    (collected_number)sockstat6_root.tcp6_inuse);
+        rrdset_done(st);
+    }
+
+    // ------------------------------------------------------------------------
+
+    if(do_udp_sockets == CONFIG_BOOLEAN_YES || (do_udp_sockets == CONFIG_BOOLEAN_AUTO && sockstat6_root.udp6_inuse)) {
+        do_udp_sockets = CONFIG_BOOLEAN_YES;
+
+        static RRDSET *st = NULL;
+        static RRDDIM *rd_inuse = NULL;
+
+        if(unlikely(!st)) {
+            st = rrdset_create_localhost(
+                    "ipv6"
+                    , "sockstat6_udp_sockets"
+                    , NULL
+                    , "udp6"
+                    , NULL
+                    , "IPv6 UDP Sockets"
+                    , "sockets"
+                    , PLUGIN_PROC_NAME
+                    , PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME
+                    , NETDATA_CHART_PRIO_IPV6_UDP
+                    , update_every
+                    , RRDSET_TYPE_LINE
+            );
+
+            rd_inuse    = rrddim_add(st, "inuse",     NULL,   1, 1, RRD_ALGORITHM_ABSOLUTE);
+        }
+        else rrdset_next(st);
+
+        rrddim_set_by_pointer(st, rd_inuse,    (collected_number)sockstat6_root.udp6_inuse);
+        rrdset_done(st);
+    }
+
+    // ------------------------------------------------------------------------
+
+    if(do_udplite_sockets == CONFIG_BOOLEAN_YES || (do_udplite_sockets == CONFIG_BOOLEAN_AUTO && sockstat6_root.udplite6_inuse)) {
+        do_udplite_sockets = CONFIG_BOOLEAN_YES;
+
+        static RRDSET *st = NULL;
+        static RRDDIM *rd_inuse = NULL;
+
+        if(unlikely(!st)) {
+            st = rrdset_create_localhost(
+                    "ipv6"
+                    , "sockstat6_udplite_sockets"
+                    , NULL
+                    , "udplite6"
+                    , NULL
+                    , "IPv6 UDPLITE Sockets"
+                    , "sockets"
+                    , PLUGIN_PROC_NAME
+                    , PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME
+                    , NETDATA_CHART_PRIO_IPV6_UDPLITE
+                    , update_every
+                    , RRDSET_TYPE_LINE
+            );
+
+            rd_inuse    = rrddim_add(st, "inuse",     NULL,   1, 1, RRD_ALGORITHM_ABSOLUTE);
+        }
+        else rrdset_next(st);
+
+        rrddim_set_by_pointer(st, rd_inuse,    (collected_number)sockstat6_root.udplite6_inuse);
+        rrdset_done(st);
+    }
+
+    // ------------------------------------------------------------------------
+
+    if(do_raw_sockets == CONFIG_BOOLEAN_YES || (do_raw_sockets == CONFIG_BOOLEAN_AUTO && sockstat6_root.raw6_inuse)) {
+        do_raw_sockets = CONFIG_BOOLEAN_YES;
+
+        static RRDSET *st = NULL;
+        static RRDDIM *rd_inuse = NULL;
+
+        if(unlikely(!st)) {
+            st = rrdset_create_localhost(
+                    "ipv6"
+                    , "sockstat6_raw_sockets"
+                    , NULL
+                    , "raw6"
+                    , NULL
+                    , "IPv6 RAW Sockets"
+                    , "sockets"
+                    , PLUGIN_PROC_NAME
+                    , PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME
+                    , NETDATA_CHART_PRIO_IPV6_RAW
+                    , update_every
+                    , RRDSET_TYPE_LINE
+            );
+
+            rd_inuse    = rrddim_add(st, "inuse",     NULL,   1, 1, RRD_ALGORITHM_ABSOLUTE);
+        }
+        else rrdset_next(st);
+
+        rrddim_set_by_pointer(st, rd_inuse,    (collected_number)sockstat6_root.raw6_inuse);
+        rrdset_done(st);
+    }
+
+    // ------------------------------------------------------------------------
+
+    if(do_frag_sockets == CONFIG_BOOLEAN_YES || (do_frag_sockets == CONFIG_BOOLEAN_AUTO && sockstat6_root.frag6_inuse)) {
+        do_frag_sockets = CONFIG_BOOLEAN_YES;
+
+        static RRDSET *st = NULL;
+        static RRDDIM *rd_inuse = NULL;
+
+        if(unlikely(!st)) {
+            st = rrdset_create_localhost(
+                    "ipv6"
+                    , "sockstat6_frag_sockets"
+                    , NULL
+                    , "fragments6"
+                    , NULL
+                    , "IPv6 FRAG Sockets"
+                    , "fragments"
+                    , PLUGIN_PROC_NAME
+                    , PLUGIN_PROC_MODULE_NET_SOCKSTAT6_NAME
+                    , NETDATA_CHART_PRIO_IPV6_FRAGMENTS
+                    , update_every
+                    , RRDSET_TYPE_LINE
+            );
+
+            rd_inuse    = rrddim_add(st, "inuse",     NULL,   1, 1, RRD_ALGORITHM_ABSOLUTE);
+        }
+        else rrdset_next(st);
+
+        rrddim_set_by_pointer(st, rd_inuse,    (collected_number)sockstat6_root.frag6_inuse);
+        rrdset_done(st);
+    }
+
+    return 0;
+}