diff --git a/CMakeLists.txt b/CMakeLists.txt
index fdc6b708a5..b48f2dca05 100755
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -49,6 +49,7 @@ set(NETDATA_LINUX_FILES
src/proc_net_rpc_nfsd.c
src/proc_net_snmp.c
src/proc_net_snmp6.c
+ src/proc_net_sockstat.c
src/proc_net_softnet_stat.c
src/proc_net_stat_conntrack.c
src/proc_net_stat_synproxy.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 7237a2531b..921119dfe5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -195,6 +195,7 @@ netdata_SOURCES += \
proc_net_rpc_nfsd.c \
proc_net_snmp.c \
proc_net_snmp6.c \
+ proc_net_sockstat.c \
proc_net_softnet_stat.c \
proc_net_stat_conntrack.c \
proc_net_stat_synproxy.c \
diff --git a/src/plugin_proc.c b/src/plugin_proc.c
index 882ea1f41c..42c90dc4cc 100644
--- a/src/plugin_proc.c
+++ b/src/plugin_proc.c
@@ -32,6 +32,7 @@ static struct proc_module {
// network metrics
{ .name = "/proc/net/dev", .dim = "netdev", .func = do_proc_net_dev },
+ { .name = "/proc/net/sockstat", .dim = "sockstat", .func = do_proc_net_sockstat },
{ .name = "/proc/net/netstat", .dim = "netstat", .func = do_proc_net_netstat }, // this has to be before /proc/net/snmp, because there is a shared metric
{ .name = "/proc/net/snmp", .dim = "snmp", .func = do_proc_net_snmp },
{ .name = "/proc/net/snmp6", .dim = "snmp6", .func = do_proc_net_snmp6 },
diff --git a/src/plugin_proc.h b/src/plugin_proc.h
index 72cfc6aa9f..3687572cf7 100644
--- a/src/plugin_proc.h
+++ b/src/plugin_proc.h
@@ -26,6 +26,7 @@ extern int do_proc_uptime(int update_every, usec_t dt);
extern int do_proc_sys_devices_system_edac_mc(int update_every, usec_t dt);
extern int do_proc_sys_devices_system_node(int update_every, usec_t dt);
extern int do_proc_spl_kstat_zfs_arcstats(int update_every, usec_t dt);
+extern int do_proc_net_sockstat(int update_every, usec_t dt);
extern int get_numa_node_count(void);
diff --git a/src/proc_net_sockstat.c b/src/proc_net_sockstat.c
new file mode 100644
index 0000000000..a20db9123f
--- /dev/null
+++ b/src/proc_net_sockstat.c
@@ -0,0 +1,448 @@
+#include "common.h"
+
+#define RRD_TYPE_NET_SNMP "ipv4"
+
+static struct proc_net_sockstat {
+ kernel_uint_t sockets_used;
+
+ kernel_uint_t tcp_inuse;
+ kernel_uint_t tcp_orphan;
+ kernel_uint_t tcp_tw;
+ kernel_uint_t tcp_alloc;
+ kernel_uint_t tcp_mem;
+
+ kernel_uint_t udp_inuse;
+ kernel_uint_t udp_mem;
+
+ kernel_uint_t udplite_inuse;
+
+ kernel_uint_t raw_inuse;
+
+ kernel_uint_t frag_inuse;
+ kernel_uint_t frag_memory;
+} sockstat_root = { 0 };
+
+
+static inline void arl_callback_str2kernel_uint_t(const char *name, uint32_t hash, const char *value, void *dst) {
+ (void)name;
+ (void)hash;
+
+ register kernel_uint_t *d = dst;
+ *d = str2kernel_uint_t(value);
+ // fprintf(stderr, "name '%s' with hash %u and value '%s' is %llu\n", name, hash, value, (unsigned long long)*d);
+}
+
+int do_proc_net_sockstat(int update_every, usec_t dt) {
+ (void)dt;
+
+ static procfile *ff = NULL;
+
+ static uint32_t hash_sockets = 0,
+ hash_raw = 0,
+ hash_frag = 0,
+ hash_tcp = 0,
+ hash_udp = 0,
+ hash_udplite = 0;
+
+
+ static ARL_BASE *arl_sockets = NULL;
+ 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_sockets = -1, do_tcp_sockets = -1, do_tcp_mem = -1, do_udp_sockets = -1, do_udp_mem = -1, do_udplite_sockets = -1, do_raw_sockets = -1, do_frag_sockets = -1, do_frag_mem = -1;
+
+ static char *keys[6] = { NULL };
+ static uint32_t hashes[6] = { 0 };
+ static ARL_BASE *bases[6] = { NULL };
+
+ if(unlikely(!arl_sockets)) {
+ do_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 sockets", CONFIG_BOOLEAN_AUTO);
+ do_tcp_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 TCP sockets", CONFIG_BOOLEAN_AUTO);
+ do_tcp_mem = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 TCP memory", CONFIG_BOOLEAN_AUTO);
+ do_udp_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 UDP sockets", CONFIG_BOOLEAN_AUTO);
+ do_udp_mem = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 UDP memory", CONFIG_BOOLEAN_AUTO);
+ do_udplite_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 UDPLITE sockets", CONFIG_BOOLEAN_AUTO);
+ do_raw_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 RAW sockets", CONFIG_BOOLEAN_AUTO);
+ do_frag_sockets = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 FRAG sockets", CONFIG_BOOLEAN_AUTO);
+ do_frag_mem = config_get_boolean_ondemand("plugin:proc:/proc/net/sockstat", "ipv4 FRAG memory", CONFIG_BOOLEAN_AUTO);
+
+ arl_sockets = arl_create("sockstat/sockets", arl_callback_str2kernel_uint_t, 60);
+ arl_expect(arl_sockets, "used", &sockstat_root.sockets_used);
+
+ arl_tcp = arl_create("sockstat/TCP", arl_callback_str2kernel_uint_t, 60);
+ arl_expect(arl_tcp, "inuse", &sockstat_root.tcp_inuse);
+ arl_expect(arl_tcp, "orphan", &sockstat_root.tcp_orphan);
+ arl_expect(arl_tcp, "tw", &sockstat_root.tcp_tw);
+ arl_expect(arl_tcp, "alloc", &sockstat_root.tcp_alloc);
+ arl_expect(arl_tcp, "mem", &sockstat_root.tcp_mem);
+
+ arl_udp = arl_create("sockstat/UDP", arl_callback_str2kernel_uint_t, 60);
+ arl_expect(arl_udp, "inuse", &sockstat_root.udp_inuse);
+ arl_expect(arl_udp, "mem", &sockstat_root.udp_mem);
+
+ arl_udplite = arl_create("sockstat/UDPLITE", arl_callback_str2kernel_uint_t, 60);
+ arl_expect(arl_udplite, "inuse", &sockstat_root.udplite_inuse);
+
+ arl_raw = arl_create("sockstat/RAW", arl_callback_str2kernel_uint_t, 60);
+ arl_expect(arl_raw, "inuse", &sockstat_root.raw_inuse);
+
+ arl_frag = arl_create("sockstat/FRAG", arl_callback_str2kernel_uint_t, 60);
+ arl_expect(arl_frag, "inuse", &sockstat_root.frag_inuse);
+ arl_expect(arl_frag, "memory", &sockstat_root.frag_memory);
+
+ hash_sockets = simple_hash("sockets");
+ hash_tcp = simple_hash("TCP");
+ hash_udp = simple_hash("UDP");
+ hash_udplite = simple_hash("UDPLITE");
+ hash_raw = simple_hash("RAW");
+ hash_frag = simple_hash("FRAG");
+
+ keys[0] = "sockets"; hashes[0] = hash_sockets; bases[0] = arl_sockets;
+ keys[1] = "TCP"; hashes[1] = hash_tcp; bases[1] = arl_tcp;
+ keys[2] = "UDP"; hashes[2] = hash_udp; bases[2] = arl_udp;
+ keys[3] = "UDPLITE"; hashes[3] = hash_udplite; bases[3] = arl_udplite;
+ keys[4] = "RAW"; hashes[4] = hash_raw; bases[4] = arl_raw;
+ keys[5] = "FRAG"; hashes[5] = hash_frag; bases[5] = arl_frag;
+ }
+
+ if(unlikely(!ff)) {
+ char filename[FILENAME_MAX + 1];
+ snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/net/sockstat");
+ ff = procfile_open(config_get("plugin:proc:/proc/net/sockstat", "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_sockets == CONFIG_BOOLEAN_YES || (do_sockets == CONFIG_BOOLEAN_AUTO && sockstat_root.sockets_used)) {
+ do_sockets = CONFIG_BOOLEAN_YES;
+
+ static RRDSET *st = NULL;
+ static RRDDIM *rd_used = NULL;
+
+ if(unlikely(!st)) {
+ st = rrdset_create_localhost(
+ "ipv4"
+ , "sockstat_sockets"
+ , NULL
+ , "sockets"
+ , NULL
+ , "IPv4 Sockets In Use"
+ , "sockets"
+ , "proc"
+ , "net/sockstat"
+ , 2400
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rd_used = rrddim_add(st, "used", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else rrdset_next(st);
+
+ rrddim_set_by_pointer(st, rd_used, (collected_number)sockstat_root.sockets_used);
+ rrdset_done(st);
+ }
+
+ // ------------------------------------------------------------------------
+
+ if(do_tcp_sockets == CONFIG_BOOLEAN_YES || (do_tcp_sockets == CONFIG_BOOLEAN_AUTO && (sockstat_root.tcp_inuse || sockstat_root.tcp_orphan || sockstat_root.tcp_tw || sockstat_root.tcp_alloc))) {
+ do_tcp_sockets = CONFIG_BOOLEAN_YES;
+
+ static RRDSET *st = NULL;
+ static RRDDIM *rd_inuse = NULL,
+ *rd_orphan = NULL,
+ *rd_timewait = NULL,
+ *rd_alloc = NULL;
+
+ if(unlikely(!st)) {
+ st = rrdset_create_localhost(
+ "ipv4"
+ , "sockstat_tcp_sockets"
+ , NULL
+ , "sockets"
+ , NULL
+ , "IPv4 TCP Sockets"
+ , "sockets"
+ , "proc"
+ , "net/sockstat"
+ , 2405
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rd_alloc = rrddim_add(st, "alloc", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rd_orphan = rrddim_add(st, "orphan", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rd_inuse = rrddim_add(st, "inuse", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rd_timewait = rrddim_add(st, "timewait", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else rrdset_next(st);
+
+ rrddim_set_by_pointer(st, rd_inuse, (collected_number)sockstat_root.tcp_inuse);
+ rrddim_set_by_pointer(st, rd_orphan, (collected_number)sockstat_root.tcp_orphan);
+ rrddim_set_by_pointer(st, rd_timewait, (collected_number)sockstat_root.tcp_tw);
+ rrddim_set_by_pointer(st, rd_alloc, (collected_number)sockstat_root.tcp_alloc);
+ rrdset_done(st);
+ }
+
+ // ------------------------------------------------------------------------
+
+ if(do_tcp_mem == CONFIG_BOOLEAN_YES || (do_tcp_mem == CONFIG_BOOLEAN_AUTO && sockstat_root.tcp_mem)) {
+ do_tcp_mem = CONFIG_BOOLEAN_YES;
+
+ static RRDSET *st = NULL;
+ static RRDDIM *rd_mem = NULL;
+
+ if(unlikely(!st)) {
+ st = rrdset_create_localhost(
+ "ipv4"
+ , "sockstat_tcp_mem"
+ , NULL
+ , "sockets"
+ , NULL
+ , "IPv4 TCP Sockets Memory"
+ , "KB"
+ , "proc"
+ , "net/sockstat"
+ , 2406
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rd_mem = rrddim_add(st, "mem", NULL, sysconf(_SC_PAGESIZE), 1024, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else rrdset_next(st);
+
+ rrddim_set_by_pointer(st, rd_mem, (collected_number)sockstat_root.tcp_mem);
+ rrdset_done(st);
+ }
+
+ // ------------------------------------------------------------------------
+
+ if(do_udp_sockets == CONFIG_BOOLEAN_YES || (do_udp_sockets == CONFIG_BOOLEAN_AUTO && sockstat_root.udp_inuse)) {
+ do_udp_sockets = CONFIG_BOOLEAN_YES;
+
+ static RRDSET *st = NULL;
+ static RRDDIM *rd_inuse = NULL;
+
+ if(unlikely(!st)) {
+ st = rrdset_create_localhost(
+ "ipv4"
+ , "sockstat_udp_sockets"
+ , NULL
+ , "sockets"
+ , NULL
+ , "IPv4 UDP Sockets"
+ , "sockets"
+ , "proc"
+ , "net/sockstat"
+ , 2410
+ , 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)sockstat_root.udp_inuse);
+ rrdset_done(st);
+ }
+
+ // ------------------------------------------------------------------------
+
+ if(do_udp_mem == CONFIG_BOOLEAN_YES || (do_udp_mem == CONFIG_BOOLEAN_AUTO && sockstat_root.udp_mem)) {
+ do_udp_mem = CONFIG_BOOLEAN_YES;
+
+ static RRDSET *st = NULL;
+ static RRDDIM *rd_mem = NULL;
+
+ if(unlikely(!st)) {
+ st = rrdset_create_localhost(
+ "ipv4"
+ , "sockstat_udp_mem"
+ , NULL
+ , "sockets"
+ , NULL
+ , "IPv4 UDP Sockets Memory"
+ , "KB"
+ , "proc"
+ , "net/sockstat"
+ , 2411
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rd_mem = rrddim_add(st, "mem", NULL, sysconf(_SC_PAGESIZE), 1024, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else rrdset_next(st);
+
+ rrddim_set_by_pointer(st, rd_mem, (collected_number)sockstat_root.udp_mem);
+ rrdset_done(st);
+ }
+
+ // ------------------------------------------------------------------------
+
+ if(do_udplite_sockets == CONFIG_BOOLEAN_YES || (do_udplite_sockets == CONFIG_BOOLEAN_AUTO && sockstat_root.udplite_inuse)) {
+ do_udplite_sockets = CONFIG_BOOLEAN_YES;
+
+ static RRDSET *st = NULL;
+ static RRDDIM *rd_inuse = NULL;
+
+ if(unlikely(!st)) {
+ st = rrdset_create_localhost(
+ "ipv4"
+ , "sockstat_udplite_sockets"
+ , NULL
+ , "sockets"
+ , NULL
+ , "IPv4 UDPLITE Sockets"
+ , "sockets"
+ , "proc"
+ , "net/sockstat"
+ , 2420
+ , 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)sockstat_root.udplite_inuse);
+ rrdset_done(st);
+ }
+
+ // ------------------------------------------------------------------------
+
+ if(do_raw_sockets == CONFIG_BOOLEAN_YES || (do_raw_sockets == CONFIG_BOOLEAN_AUTO && sockstat_root.raw_inuse)) {
+ do_raw_sockets = CONFIG_BOOLEAN_YES;
+
+ static RRDSET *st = NULL;
+ static RRDDIM *rd_inuse = NULL;
+
+ if(unlikely(!st)) {
+ st = rrdset_create_localhost(
+ "ipv4"
+ , "sockstat_raw_sockets"
+ , NULL
+ , "sockets"
+ , NULL
+ , "IPv4 RAW Sockets"
+ , "sockets"
+ , "proc"
+ , "net/sockstat"
+ , 2430
+ , 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)sockstat_root.raw_inuse);
+ rrdset_done(st);
+ }
+
+ // ------------------------------------------------------------------------
+
+ if(do_frag_sockets == CONFIG_BOOLEAN_YES || (do_frag_sockets == CONFIG_BOOLEAN_AUTO && sockstat_root.frag_inuse)) {
+ do_frag_sockets = CONFIG_BOOLEAN_YES;
+
+ static RRDSET *st = NULL;
+ static RRDDIM *rd_inuse = NULL;
+
+ if(unlikely(!st)) {
+ st = rrdset_create_localhost(
+ "ipv4"
+ , "sockstat_frag_sockets"
+ , NULL
+ , "sockets"
+ , NULL
+ , "IPv4 FRAG Sockets"
+ , "sockets"
+ , "proc"
+ , "net/sockstat"
+ , 2440
+ , 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)sockstat_root.frag_inuse);
+ rrdset_done(st);
+ }
+
+ // ------------------------------------------------------------------------
+
+ if(do_frag_mem == CONFIG_BOOLEAN_YES || (do_frag_mem == CONFIG_BOOLEAN_AUTO && sockstat_root.frag_memory)) {
+ do_frag_mem = CONFIG_BOOLEAN_YES;
+
+ static RRDSET *st = NULL;
+ static RRDDIM *rd_mem = NULL;
+
+ if(unlikely(!st)) {
+ st = rrdset_create_localhost(
+ "ipv4"
+ , "sockstat_frag_mem"
+ , NULL
+ , "sockets"
+ , NULL
+ , "IPv4 FRAG Sockets Memory"
+ , "KB"
+ , "proc"
+ , "net/sockstat"
+ , 2441
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rd_mem = rrddim_add(st, "mem", NULL, 1, 1024, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else rrdset_next(st);
+
+ rrddim_set_by_pointer(st, rd_mem, (collected_number)sockstat_root.frag_memory);
+ rrdset_done(st);
+ }
+
+ return 0;
+}
+