src/freebsd_sysctl.c

   1 #include "common.h"
   2
   3 // NEEDED BY: struct vmtotal, struct vmmeter
   4 #include <sys/vmmeter.h>
   5 // NEEDED BY: struct devstat
   6 #include <sys/devicestat.h>
   7 // NEEDED BY: struct xswdev
   8 #include <vm/vm_param.h>
   9 // NEEDED BY: struct semid_kernel, struct shmid_kernel, struct msqid_kernel
  10 #define _KERNEL
  11 #include <sys/sem.h>
  12 #include <sys/shm.h>
  13 #include <sys/msg.h>
  14 #undef _KERNEL
  15 // NEEDED BY: struct sysctl_netisr_workstream, struct sysctl_netisr_work
  16 #include <net/netisr.h>
  17 // NEEDED BY: struct ifaddrs, getifaddrs()
  18 #define _IFI_OQDROPS // It is for FreeNAS only. Most probably in future releases of FreeNAS it will be removed
  19 #include <net/if.h>
  20 #include <ifaddrs.h>
  21 // NEEDED BY do_tcp...
  22 #include <netinet/tcp_var.h>
  23 // NEEDED BY do_udp..., do_ip...
  24 #include <netinet/ip_var.h>
  25 // NEEDED BY do_udp...
  26 #include <netinet/udp.h>
  27 #include <netinet/udp_var.h>
  28 // NEEDED BY do_icmp...
  29 #include <netinet/ip.h>
  30 #include <netinet/ip_icmp.h>
  31 #include <netinet/icmp_var.h>
  32 // NEEDED BY do_ip6...
  33 #include <netinet6/ip6_var.h>
  34
  35 // NEEDED BY: do_disk_io
  36 #define RRD_TYPE_DISK "disk"
  37
  38 // FreeBSD calculates load averages once every 5 seconds
  39 #define MIN_LOADAVG_UPDATE_EVERY 5
  40
  41 // NEEDED BY: do_bandwidth
  42 #define IFA_DATA(s) (((struct if_data *)ifa->ifa_data)->ifi_ ## s)
  43
  44 int do_freebsd_sysctl(int update_every, usec_t dt) {
  45     (void)dt;
  46
  47     static int do_cpu = -1, do_cpu_cores = -1, do_interrupts = -1, do_context = -1, do_forks = -1, do_processes = -1,
  48         do_loadavg = -1, do_all_processes = -1, do_disk_io = -1, do_swap = -1, do_ram = -1, do_swapio = -1,
  49         do_pgfaults = -1, do_committed = -1, do_ipc_semaphores = -1, do_ipc_shared_mem = -1, do_ipc_msg_queues = -1,
  50         do_dev_intr = -1, do_soft_intr = -1, do_netisr = -1, do_netisr_per_core = -1, do_bandwidth = -1,
  51         do_tcp_sockets = -1, do_tcp_packets = -1, do_tcp_errors = -1, do_tcp_handshake = -1,
  52         do_ecn = -1, do_tcpext_syscookies = -1, do_tcpext_ofo = -1, do_tcpext_connaborts = -1,
  53         do_udp_packets = -1, do_udp_errors = -1, do_icmp_packets = -1, do_icmpmsg = -1,
  54         do_ip_packets = -1, do_ip_fragsout = -1, do_ip_fragsin = -1, do_ip_errors = -1,
  55         do_ip6_packets = -1, do_ip6_fragsout = -1, do_ip6_fragsin = -1, do_ip6_errors = -1;
  56
  57     if (unlikely(do_cpu == -1)) {
  58         do_cpu                  = config_get_boolean("plugin:freebsd:sysctl", "cpu utilization", 1);
  59         do_cpu_cores            = config_get_boolean("plugin:freebsd:sysctl", "per cpu core utilization", 1);
  60         do_interrupts           = config_get_boolean("plugin:freebsd:sysctl", "cpu interrupts", 1);
  61         do_dev_intr             = config_get_boolean("plugin:freebsd:sysctl", "device interrupts", 1);
  62         do_soft_intr            = config_get_boolean("plugin:freebsd:sysctl", "software interrupts", 1);
  63         do_context              = config_get_boolean("plugin:freebsd:sysctl", "context switches", 1);
  64         do_forks                = config_get_boolean("plugin:freebsd:sysctl", "processes started", 1);
  65         do_processes            = config_get_boolean("plugin:freebsd:sysctl", "processes running", 1);
  66         do_loadavg              = config_get_boolean("plugin:freebsd:sysctl", "enable load average", 1);
  67         do_all_processes        = config_get_boolean("plugin:freebsd:sysctl", "enable total processes", 1);
  68         do_disk_io              = config_get_boolean("plugin:freebsd:sysctl", "stats for all disks", 1);
  69         do_swap                 = config_get_boolean("plugin:freebsd:sysctl", "system swap", 1);
  70         do_ram                  = config_get_boolean("plugin:freebsd:sysctl", "system ram", 1);
  71         do_swapio               = config_get_boolean("plugin:freebsd:sysctl", "swap i/o", 1);
  72         do_pgfaults             = config_get_boolean("plugin:freebsd:sysctl", "memory page faults", 1);
  73         do_committed            = config_get_boolean("plugin:freebsd:sysctl", "committed memory", 1);
  74         do_ipc_semaphores       = config_get_boolean("plugin:freebsd:sysctl", "ipc semaphores", 1);
  75         do_ipc_shared_mem       = config_get_boolean("plugin:freebsd:sysctl", "ipc shared memory", 1);
  76         do_ipc_msg_queues       = config_get_boolean("plugin:freebsd:sysctl", "ipc message queues", 1);
  77         do_netisr               = config_get_boolean("plugin:freebsd:sysctl", "netisr", 1);
  78         do_netisr_per_core      = config_get_boolean("plugin:freebsd:sysctl", "netisr per core", 1);
  79         do_bandwidth            = config_get_boolean("plugin:freebsd:sysctl", "bandwidth", 1);
  80         do_tcp_sockets          = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP connections", 1);
  81         do_tcp_packets          = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP packets", 1);
  82         do_tcp_errors           = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP errors", 1);
  83         do_tcp_handshake        = config_get_boolean("plugin:freebsd:sysctl", "ipv4 TCP handshake issues", 1);
  84         do_ecn                  = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ECN packets", CONFIG_ONDEMAND_ONDEMAND);
  85         do_tcpext_syscookies    = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP SYN cookies", CONFIG_ONDEMAND_ONDEMAND);
  86         do_tcpext_ofo           = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP out-of-order queue", CONFIG_ONDEMAND_ONDEMAND);
  87         do_tcpext_connaborts    = config_get_boolean_ondemand("plugin:freebsd:sysctl", "TCP connection aborts", CONFIG_ONDEMAND_ONDEMAND);
  88         do_udp_packets          = config_get_boolean("plugin:freebsd:sysctl", "ipv4 UDP packets", 1);
  89         do_udp_errors           = config_get_boolean("plugin:freebsd:sysctl", "ipv4 UDP errors", 1);
  90         do_ip_packets           = config_get_boolean("plugin:freebsd:sysctl", "ipv4 packets", 1);
  91         do_ip_fragsout          = config_get_boolean("plugin:freebsd:sysctl", "ipv4 fragments sent", 1);
  92         do_ip_fragsin           = config_get_boolean("plugin:freebsd:sysctl", "ipv4 fragments assembly", 1);
  93         do_ip_errors            = config_get_boolean("plugin:freebsd:sysctl", "ipv4 errors", 1);
  94         do_ip6_packets          = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 packets", CONFIG_ONDEMAND_ONDEMAND);
  95         do_ip6_fragsout         = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 fragments sent", CONFIG_ONDEMAND_ONDEMAND);
  96         do_ip6_fragsin          = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 fragments assembly", CONFIG_ONDEMAND_ONDEMAND);
  97         do_ip6_errors           = config_get_boolean_ondemand("plugin:freebsd:sysctl", "ipv6 errors", CONFIG_ONDEMAND_ONDEMAND);
  98     }
  99
 100     RRDSET *st;
 101     RRDDIM *rd;
 102
 103     int system_pagesize = getpagesize(); // wouldn't it be better to get value directly from hw.pagesize?
 104     int i, n;
 105     void *p;
 106     int common_error = 0;
 107     size_t size;
 108
 109     // NEEDED BY: do_loadavg
 110     static usec_t last_loadavg_usec = 0;
 111     struct loadavg sysload;
 112
 113     // NEEDED BY: do_cpu, do_cpu_cores
 114     long cp_time[CPUSTATES];
 115
 116     // NEEDED BY: du_cpu_cores, do_netisr, do_netisr_per_core
 117     int ncpus;
 118
 119     // NEEDED BY: do_cpu_cores
 120     static long *pcpu_cp_time = NULL;
 121     char cpuid[8]; // no more than 4 digits expected
 122
 123     // NEEDED BY: do_all_processes, do_processes
 124     struct vmtotal vmtotal_data;
 125
 126     // NEEDED BY: do_context, do_forks
 127     u_int u_int_data;
 128
 129     // NEEDED BY: do_interrupts
 130     size_t intrcnt_size;
 131     unsigned long nintr = 0;
 132     static unsigned long *intrcnt = NULL;
 133     static char *intrnames = NULL;
 134     unsigned long long totalintr = 0;
 135
 136     // NEEDED BY: do_disk_io
 137     #define BINTIME_SCALE 5.42101086242752217003726400434970855712890625e-17 // this is 1000/2^64
 138     int numdevs;
 139     static void *devstat_data = NULL;
 140     struct devstat *dstat;
 141     struct cur_dstat {
 142         collected_number duration_read_ms;
 143         collected_number duration_write_ms;
 144         collected_number busy_time_ms;
 145     } cur_dstat;
 146     struct prev_dstat {
 147         collected_number bytes_read;
 148         collected_number bytes_write;
 149         collected_number operations_read;
 150         collected_number operations_write;
 151         collected_number duration_read_ms;
 152         collected_number duration_write_ms;
 153         collected_number busy_time_ms;
 154     } prev_dstat;
 155
 156     // NEEDED BY: do_swap
 157     size_t mibsize;
 158     int mib[3]; // CTL_MAXNAME = 24 maximum mib components (sysctl.h)
 159     struct xswdev xsw;
 160     struct total_xsw {
 161         collected_number bytes_used;
 162         collected_number bytes_total;
 163     } total_xsw = {0, 0};
 164
 165     // NEEDED BY: do_swapio, do_ram
 166     struct vmmeter vmmeter_data;
 167
 168     // NEEDED BY: do_ram
 169     int vfs_bufspace_count;
 170
 171     // NEEDED BY: do_ipc_semaphores
 172     struct ipc_sem {
 173         int semmni;
 174         collected_number sets;
 175         collected_number semaphores;
 176     } ipc_sem = {0, 0, 0};
 177     static struct semid_kernel *ipc_sem_data = NULL;
 178
 179     // NEEDED BY: do_ipc_shared_mem
 180     struct ipc_shm {
 181         u_long shmmni;
 182         collected_number segs;
 183         collected_number segsize;
 184     } ipc_shm = {0, 0, 0};
 185     static struct shmid_kernel *ipc_shm_data = NULL;
 186
 187     // NEEDED BY: do_ipc_msg_queues
 188     struct ipc_msq {
 189         int msgmni;
 190         collected_number queues;
 191         collected_number messages;
 192         collected_number usedsize;
 193         collected_number allocsize;
 194     } ipc_msq = {0, 0, 0, 0, 0};
 195     static struct msqid_kernel *ipc_msq_data = NULL;
 196
 197     // NEEDED BY: do_netisr, do_netisr_per_core
 198     size_t netisr_workstream_size;
 199     size_t netisr_work_size;
 200     unsigned long num_netisr_workstreams = 0, num_netisr_works = 0;
 201     static struct sysctl_netisr_workstream *netisr_workstream = NULL;
 202     static struct sysctl_netisr_work *netisr_work = NULL;
 203     static struct netisr_stats {
 204         collected_number dispatched;
 205         collected_number hybrid_dispatched;
 206         collected_number qdrops;
 207         collected_number queued;
 208     } *netisr_stats = NULL;
 209     char netstat_cpuid[21]; // no more than 4 digits expected
 210
 211     // NEEDED BY: do_bandwidth
 212     struct ifaddrs *ifa, *ifap;
 213     struct iftot {
 214         u_long  ift_ibytes;
 215         u_long  ift_obytes;
 216     } iftot = {0, 0};
 217
 218     // NEEDED BY: do_tcp...
 219     struct tcpstat tcpstat;
 220     uint64_t tcps_states[TCP_NSTATES];
 221
 222     // NEEDED BY: do_udp...
 223     struct udpstat udpstat;
 224
 225     // NEEDED BY: do_icmp...
 226     struct icmpstat icmpstat;
 227     struct icmp_total {
 228         u_long  msgs_in;
 229         u_long  msgs_out;
 230     } icmp_total = {0, 0};
 231
 232     // NEEDED BY: do_ip...
 233     struct ipstat ipstat;
 234
 235     // NEEDED BY: do_ip6...
 236     struct ip6stat ip6stat;
 237
 238     // --------------------------------------------------------------------
 239
 240     if (last_loadavg_usec <= dt) {
 241         if (likely(do_loadavg)) {
 242             if (unlikely(GETSYSCTL("vm.loadavg", sysload))) {
 243                 do_loadavg = 0;
 244                 error("DISABLED: system.load");
 245             } else {
 246
 247                 st = rrdset_find_bytype("system", "load");
 248                 if (unlikely(!st)) {
 249                     st = rrdset_create("system", "load", NULL, "load", NULL, "System Load Average", "load", 100, (update_every < MIN_LOADAVG_UPDATE_EVERY) ? MIN_LOADAVG_UPDATE_EVERY : update_every, RRDSET_TYPE_LINE);
 250                     rrddim_add(st, "load1", NULL, 1, 1000, RRDDIM_ABSOLUTE);
 251                     rrddim_add(st, "load5", NULL, 1, 1000, RRDDIM_ABSOLUTE);
 252                     rrddim_add(st, "load15", NULL, 1, 1000, RRDDIM_ABSOLUTE);
 253                 }
 254                 else rrdset_next(st);
 255
 256                 rrddim_set(st, "load1", (collected_number) ((double)sysload.ldavg[0] / sysload.fscale * 1000));
 257                 rrddim_set(st, "load5", (collected_number) ((double)sysload.ldavg[1] / sysload.fscale * 1000));
 258                 rrddim_set(st, "load15", (collected_number) ((double)sysload.ldavg[2] / sysload.fscale * 1000));
 259                 rrdset_done(st);
 260             }
 261         }
 262
 263         last_loadavg_usec = st->update_every * USEC_PER_SEC;
 264     }
 265     else last_loadavg_usec -= dt;
 266
 267     // --------------------------------------------------------------------
 268
 269     if (likely(do_all_processes | do_processes | do_committed)) {
 270         if (unlikely(GETSYSCTL("vm.vmtotal", vmtotal_data))) {
 271             do_all_processes = 0;
 272             error("DISABLED: system.active_processes");
 273             do_processes = 0;
 274             error("DISABLED: system.processes");
 275             do_committed = 0;
 276             error("DISABLED: mem.committed");
 277         } else {
 278             if (likely(do_all_processes)) {
 279
 280                 st = rrdset_find_bytype("system", "active_processes");
 281                 if (unlikely(!st)) {
 282                     st = rrdset_create("system", "active_processes", NULL, "processes", NULL, "System Active Processes", "processes", 750, update_every, RRDSET_TYPE_LINE);
 283                     rrddim_add(st, "active", NULL, 1, 1, RRDDIM_ABSOLUTE);
 284                 }
 285                 else rrdset_next(st);
 286
 287                 rrddim_set(st, "active", (vmtotal_data.t_rq + vmtotal_data.t_dw + vmtotal_data.t_pw + vmtotal_data.t_sl + vmtotal_data.t_sw));
 288                 rrdset_done(st);
 289             }
 290
 291             // --------------------------------------------------------------------
 292
 293             if (likely(do_processes)) {
 294
 295                 st = rrdset_find_bytype("system", "processes");
 296                 if (unlikely(!st)) {
 297                     st = rrdset_create("system", "processes", NULL, "processes", NULL, "System Processes", "processes", 600, update_every, RRDSET_TYPE_LINE);
 298
 299                     rrddim_add(st, "running", NULL, 1, 1, RRDDIM_ABSOLUTE);
 300                     rrddim_add(st, "blocked", NULL, -1, 1, RRDDIM_ABSOLUTE);
 301                 }
 302                 else rrdset_next(st);
 303
 304                 rrddim_set(st, "running", vmtotal_data.t_rq);
 305                 rrddim_set(st, "blocked", (vmtotal_data.t_dw + vmtotal_data.t_pw));
 306                 rrdset_done(st);
 307             }
 308
 309             // --------------------------------------------------------------------
 310
 311             if (likely(do_committed)) {
 312                 st = rrdset_find("mem.committed");
 313                 if (unlikely(!st)) {
 314                     st = rrdset_create("mem", "committed", NULL, "system", NULL, "Committed (Allocated) Memory", "MB", 5000, update_every, RRDSET_TYPE_AREA);
 315                     st->isdetail = 1;
 316
 317                     rrddim_add(st, "Committed_AS", NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 318                 }
 319                 else rrdset_next(st);
 320
 321                 rrddim_set(st, "Committed_AS", vmtotal_data.t_rm);
 322                 rrdset_done(st);
 323             }
 324         }
 325     }
 326
 327     // --------------------------------------------------------------------
 328
 329     if (likely(do_cpu)) {
 330         if (unlikely(CPUSTATES != 5)) {
 331             error("FREEBSD: There are %d CPU states (5 was expected)", CPUSTATES);
 332             do_cpu = 0;
 333             error("DISABLED: system.cpu");
 334         } else {
 335             if (unlikely(GETSYSCTL("kern.cp_time", cp_time))) {
 336                 do_cpu = 0;
 337                 error("DISABLED: system.cpu");
 338             } else {
 339
 340                 st = rrdset_find_bytype("system", "cpu");
 341                 if (unlikely(!st)) {
 342                     st = rrdset_create("system", "cpu", NULL, "cpu", "system.cpu", "Total CPU utilization", "percentage", 100, update_every, RRDSET_TYPE_STACKED);
 343
 344                     rrddim_add(st, "user", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 345                     rrddim_add(st, "nice", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 346                     rrddim_add(st, "system", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 347                     rrddim_add(st, "interrupt", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 348                     rrddim_add(st, "idle", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 349                     rrddim_hide(st, "idle");
 350                 }
 351                 else rrdset_next(st);
 352
 353                 rrddim_set(st, "user", cp_time[0]);
 354                 rrddim_set(st, "nice", cp_time[1]);
 355                 rrddim_set(st, "system", cp_time[2]);
 356                 rrddim_set(st, "interrupt", cp_time[3]);
 357                 rrddim_set(st, "idle", cp_time[4]);
 358                 rrdset_done(st);
 359             }
 360         }
 361     }
 362
 363     // --------------------------------------------------------------------
 364
 365     if (likely(do_cpu_cores)) {
 366         if (unlikely(CPUSTATES != 5)) {
 367             error("FREEBSD: There are %d CPU states (5 was expected)", CPUSTATES);
 368             do_cpu_cores = 0;
 369             error("DISABLED: cpu.cpuXX");
 370         } else {
 371             if (unlikely(GETSYSCTL("kern.smp.cpus", ncpus))) {
 372                 do_cpu_cores = 0;
 373                 error("DISABLED: cpu.cpuXX");
 374             } else {
 375                 pcpu_cp_time = reallocz(pcpu_cp_time, sizeof(cp_time) * ncpus);
 376
 377                 for (i = 0; i < ncpus; i++) {
 378                     if (unlikely(getsysctl("kern.cp_times", pcpu_cp_time, sizeof(cp_time) * ncpus))) {
 379                         do_cpu_cores = 0;
 380                         error("DISABLED: cpu.cpuXX");
 381                         break;
 382                     }
 383                     if (unlikely(ncpus > 9999)) {
 384                         error("FREEBSD: There are more than 4 digits in cpu cores number");
 385                         do_cpu_cores = 0;
 386                         error("DISABLED: cpu.cpuXX");
 387                         break;
 388                     }
 389                     snprintfz(cpuid, 8, "cpu%d", i);
 390
 391                     st = rrdset_find_bytype("cpu", cpuid);
 392                     if (unlikely(!st)) {
 393                         st = rrdset_create("cpu", cpuid, NULL, "utilization", "cpu.cpu", "Core utilization", "percentage", 1000, update_every, RRDSET_TYPE_STACKED);
 394
 395                         rrddim_add(st, "user", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 396                         rrddim_add(st, "nice", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 397                         rrddim_add(st, "system", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 398                         rrddim_add(st, "interrupt", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 399                         rrddim_add(st, "idle", NULL, 1, 1, RRDDIM_PCENT_OVER_DIFF_TOTAL);
 400                         rrddim_hide(st, "idle");
 401                     }
 402                     else rrdset_next(st);
 403
 404                     rrddim_set(st, "user", pcpu_cp_time[i * 5 + 0]);
 405                     rrddim_set(st, "nice", pcpu_cp_time[i * 5 + 1]);
 406                     rrddim_set(st, "system", pcpu_cp_time[i * 5 + 2]);
 407                     rrddim_set(st, "interrupt", pcpu_cp_time[i * 5 + 3]);
 408                     rrddim_set(st, "idle", pcpu_cp_time[i * 5 + 4]);
 409                     rrdset_done(st);
 410                 }
 411             }
 412         }
 413     }
 414
 415     // --------------------------------------------------------------------
 416
 417     if (likely(do_interrupts)) {
 418         if (unlikely(sysctlbyname("hw.intrcnt", NULL, &intrcnt_size, NULL, 0) == -1)) {
 419             error("FREEBSD: sysctl(hw.intrcnt...) failed: %s", strerror(errno));
 420             do_interrupts = 0;
 421             error("DISABLED: system.intr");
 422         } else {
 423             nintr = intrcnt_size / sizeof(u_long);
 424             intrcnt = reallocz(intrcnt, nintr * sizeof(u_long));
 425             if (unlikely(getsysctl("hw.intrcnt", intrcnt, nintr * sizeof(u_long)))){
 426                 do_interrupts = 0;
 427                 error("DISABLED: system.intr");
 428             } else {
 429                 for (i = 0; i < nintr; i++)
 430                     totalintr += intrcnt[i];
 431
 432                 st = rrdset_find_bytype("system", "intr");
 433                 if (unlikely(!st)) {
 434                     st = rrdset_create("system", "intr", NULL, "interrupts", NULL, "Total Hardware Interrupts", "interrupts/s", 900, update_every, RRDSET_TYPE_LINE);
 435                     st->isdetail = 1;
 436
 437                     rrddim_add(st, "interrupts", NULL, 1, 1, RRDDIM_INCREMENTAL);
 438                 }
 439                 else rrdset_next(st);
 440
 441                 rrddim_set(st, "interrupts", totalintr);
 442                 rrdset_done(st);
 443
 444                 // --------------------------------------------------------------------
 445
 446                 size = nintr * (MAXCOMLEN +1);
 447                 intrnames = reallocz(intrnames, size);
 448                 if (unlikely(getsysctl("hw.intrnames", intrnames, size))) {
 449                     do_interrupts = 0;
 450                     error("DISABLED: system.intr");
 451                 } else {
 452                     st = rrdset_find_bytype("system", "interrupts");
 453                     if (unlikely(!st))
 454                         st = rrdset_create("system", "interrupts", NULL, "interrupts", NULL, "System interrupts", "interrupts/s",
 455                                            1000, update_every, RRDSET_TYPE_STACKED);
 456                     else
 457                         rrdset_next(st);
 458
 459                     for (i = 0; i < nintr; i++) {
 460                         p = intrnames + i * (MAXCOMLEN + 1);
 461                         if (unlikely((intrcnt[i] != 0) && (*(char*)p != 0))) {
 462                             rd = rrddim_find(st, p);
 463                             if (unlikely(!rd))
 464                                 rd = rrddim_add(st, p, NULL, 1, 1, RRDDIM_INCREMENTAL);
 465                             rrddim_set_by_pointer(st, rd, intrcnt[i]);
 466                         }
 467                     }
 468                     rrdset_done(st);
 469                 }
 470             }
 471         }
 472     }
 473
 474     // --------------------------------------------------------------------
 475
 476     if (likely(do_dev_intr)) {
 477         if (unlikely(GETSYSCTL("vm.stats.sys.v_intr", u_int_data))) {
 478             do_dev_intr = 0;
 479             error("DISABLED: system.dev_intr");
 480         } else {
 481
 482             st = rrdset_find_bytype("system", "dev_intr");
 483             if (unlikely(!st)) {
 484                 st = rrdset_create("system", "dev_intr", NULL, "interrupts", NULL, "Device Interrupts", "interrupts/s", 1000, update_every, RRDSET_TYPE_LINE);
 485
 486                 rrddim_add(st, "interrupts", NULL, 1, 1, RRDDIM_INCREMENTAL);
 487             }
 488             else rrdset_next(st);
 489
 490             rrddim_set(st, "interrupts", u_int_data);
 491             rrdset_done(st);
 492         }
 493     }
 494
 495     // --------------------------------------------------------------------
 496
 497     if (likely(do_soft_intr)) {
 498         if (unlikely(GETSYSCTL("vm.stats.sys.v_soft", u_int_data))) {
 499             do_soft_intr = 0;
 500             error("DISABLED: system.dev_intr");
 501         } else {
 502
 503             st = rrdset_find_bytype("system", "soft_intr");
 504             if (unlikely(!st)) {
 505                 st = rrdset_create("system", "soft_intr", NULL, "interrupts", NULL, "Software Interrupts", "interrupts/s", 1100, update_every, RRDSET_TYPE_LINE);
 506
 507                 rrddim_add(st, "interrupts", NULL, 1, 1, RRDDIM_INCREMENTAL);
 508             }
 509             else rrdset_next(st);
 510
 511             rrddim_set(st, "interrupts", u_int_data);
 512             rrdset_done(st);
 513         }
 514     }
 515
 516     // --------------------------------------------------------------------
 517
 518     if (likely(do_context)) {
 519         if (unlikely(GETSYSCTL("vm.stats.sys.v_swtch", u_int_data))) {
 520             do_context = 0;
 521             error("DISABLED: system.ctxt");
 522         } else {
 523
 524             st = rrdset_find_bytype("system", "ctxt");
 525             if (unlikely(!st)) {
 526                 st = rrdset_create("system", "ctxt", NULL, "processes", NULL, "CPU Context Switches", "context switches/s", 800, update_every, RRDSET_TYPE_LINE);
 527
 528                 rrddim_add(st, "switches", NULL, 1, 1, RRDDIM_INCREMENTAL);
 529             }
 530             else rrdset_next(st);
 531
 532             rrddim_set(st, "switches", u_int_data);
 533             rrdset_done(st);
 534         }
 535     }
 536
 537     // --------------------------------------------------------------------
 538
 539     if (likely(do_forks)) {
 540         if (unlikely(GETSYSCTL("vm.stats.vm.v_forks", u_int_data))) {
 541             do_forks = 0;
 542             error("DISABLED: system.forks");
 543         } else {
 544
 545             st = rrdset_find_bytype("system", "forks");
 546             if (unlikely(!st)) {
 547                 st = rrdset_create("system", "forks", NULL, "processes", NULL, "Started Processes", "processes/s", 700, update_every, RRDSET_TYPE_LINE);
 548                 st->isdetail = 1;
 549
 550                 rrddim_add(st, "started", NULL, 1, 1, RRDDIM_INCREMENTAL);
 551             }
 552             else rrdset_next(st);
 553
 554             rrddim_set(st, "started", u_int_data);
 555             rrdset_done(st);
 556         }
 557     }
 558
 559     // --------------------------------------------------------------------
 560
 561     if (likely(do_disk_io)) {
 562         if (unlikely(GETSYSCTL("kern.devstat.numdevs", numdevs))) {
 563             do_disk_io = 0;
 564             error("DISABLED: disk.io");
 565         } else {
 566             devstat_data = reallocz(devstat_data, sizeof(long) + sizeof(struct devstat) * numdevs); // there is generation number before devstat structures
 567             if (unlikely(getsysctl("kern.devstat.all", devstat_data, sizeof(long) + sizeof(struct devstat) * numdevs))) {
 568                 do_disk_io = 0;
 569                 error("DISABLED: disk.io");
 570             } else {
 571                 dstat = devstat_data + sizeof(long); // skip generation number
 572                 collected_number total_disk_reads = 0;
 573                 collected_number total_disk_writes = 0;
 574
 575                 for (i = 0; i < numdevs; i++) {
 576                     if (((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_DIRECT) || ((dstat[i].device_type & DEVSTAT_TYPE_MASK) == DEVSTAT_TYPE_STORARRAY)) {
 577
 578                         // --------------------------------------------------------------------
 579
 580                         st = rrdset_find_bytype(RRD_TYPE_DISK, dstat[i].device_name);
 581                         if (unlikely(!st)) {
 582                             st = rrdset_create(RRD_TYPE_DISK, dstat[i].device_name, NULL, dstat[i].device_name, "disk.io", "Disk I/O Bandwidth", "kilobytes/s", 2000, update_every, RRDSET_TYPE_AREA);
 583
 584                             rrddim_add(st, "reads", NULL, 1, 1024, RRDDIM_INCREMENTAL);
 585                             rrddim_add(st, "writes", NULL, -1, 1024, RRDDIM_INCREMENTAL);
 586                         }
 587                         else rrdset_next(st);
 588
 589                         total_disk_reads += dstat[i].bytes[DEVSTAT_READ];
 590                         total_disk_writes += dstat[i].bytes[DEVSTAT_WRITE];
 591                         prev_dstat.bytes_read = rrddim_set(st, "reads", dstat[i].bytes[DEVSTAT_READ]);
 592                         prev_dstat.bytes_write = rrddim_set(st, "writes", dstat[i].bytes[DEVSTAT_WRITE]);
 593                         rrdset_done(st);
 594
 595                         // --------------------------------------------------------------------
 596
 597                         st = rrdset_find_bytype("disk_ops", dstat[i].device_name);
 598                         if (unlikely(!st)) {
 599                             st = rrdset_create("disk_ops", dstat[i].device_name, NULL, dstat[i].device_name, "disk.ops", "Disk Completed I/O Operations", "operations/s", 2001, update_every, RRDSET_TYPE_LINE);
 600                             st->isdetail = 1;
 601
 602                             rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
 603                             rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
 604                         }
 605                         else rrdset_next(st);
 606
 607                         prev_dstat.operations_read = rrddim_set(st, "reads", dstat[i].operations[DEVSTAT_READ]);
 608                         prev_dstat.operations_write = rrddim_set(st, "writes", dstat[i].operations[DEVSTAT_WRITE]);
 609                         rrdset_done(st);
 610
 611                         // --------------------------------------------------------------------
 612
 613                         st = rrdset_find_bytype("disk_qops", dstat[i].device_name);
 614                         if (unlikely(!st)) {
 615                             st = rrdset_create("disk_qops", dstat[i].device_name, NULL, dstat[i].device_name, "disk.qops", "Disk Current I/O Operations", "operations", 2002, update_every, RRDSET_TYPE_LINE);
 616                             st->isdetail = 1;
 617
 618                             rrddim_add(st, "operations", NULL, 1, 1, RRDDIM_ABSOLUTE);
 619                         }
 620                         else rrdset_next(st);
 621
 622                         rrddim_set(st, "operations", dstat[i].start_count - dstat[i].end_count);
 623                         rrdset_done(st);
 624
 625                         // --------------------------------------------------------------------
 626
 627                         st = rrdset_find_bytype("disk_util", dstat[i].device_name);
 628                         if (unlikely(!st)) {
 629                             st = rrdset_create("disk_util", dstat[i].device_name, NULL, dstat[i].device_name, "disk.util", "Disk Utilization Time", "% of time working", 2004, update_every, RRDSET_TYPE_AREA);
 630                             st->isdetail = 1;
 631
 632                             rrddim_add(st, "utilization", NULL, 1, 10, RRDDIM_INCREMENTAL);
 633                         }
 634                         else rrdset_next(st);
 635
 636                         cur_dstat.busy_time_ms = dstat[i].busy_time.sec * 1000 + dstat[i].busy_time.frac * BINTIME_SCALE;
 637                         prev_dstat.busy_time_ms = rrddim_set(st, "utilization", cur_dstat.busy_time_ms);
 638                         rrdset_done(st);
 639
 640                         // --------------------------------------------------------------------
 641
 642                         st = rrdset_find_bytype("disk_iotime", dstat[i].device_name);
 643                         if (unlikely(!st)) {
 644                             st = rrdset_create("disk_iotime", dstat[i].device_name, NULL, dstat[i].device_name, "disk.iotime", "Disk Total I/O Time", "milliseconds/s", 2022, update_every, RRDSET_TYPE_LINE);
 645                             st->isdetail = 1;
 646
 647                             rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_INCREMENTAL);
 648                             rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_INCREMENTAL);
 649                         }
 650                         else rrdset_next(st);
 651
 652                         cur_dstat.duration_read_ms = dstat[i].duration[DEVSTAT_READ].sec * 1000 + dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
 653                         cur_dstat.duration_write_ms = dstat[i].duration[DEVSTAT_WRITE].sec * 1000 + dstat[i].duration[DEVSTAT_READ].frac * BINTIME_SCALE;
 654                         prev_dstat.duration_read_ms = rrddim_set(st, "reads", cur_dstat.duration_read_ms);
 655                         prev_dstat.duration_write_ms = rrddim_set(st, "writes", cur_dstat.duration_write_ms);
 656                         rrdset_done(st);
 657
 658                         // --------------------------------------------------------------------
 659                         // calculate differential charts
 660                         // only if this is not the first time we run
 661
 662                         if (likely(dt)) {
 663
 664                             // --------------------------------------------------------------------
 665
 666                             st = rrdset_find_bytype("disk_await", dstat[i].device_name);
 667                             if (unlikely(!st)) {
 668                                 st = rrdset_create("disk_await", dstat[i].device_name, NULL, dstat[i].device_name, "disk.await", "Average Completed I/O Operation Time", "ms per operation", 2005, update_every, RRDSET_TYPE_LINE);
 669                                 st->isdetail = 1;
 670
 671                                 rrddim_add(st, "reads", NULL, 1, 1, RRDDIM_ABSOLUTE);
 672                                 rrddim_add(st, "writes", NULL, -1, 1, RRDDIM_ABSOLUTE);
 673                             }
 674                             else rrdset_next(st);
 675
 676                             rrddim_set(st, "reads", (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) ?
 677                                 (cur_dstat.duration_read_ms - prev_dstat.duration_read_ms) / (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) : 0);
 678                             rrddim_set(st, "writes", (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) ?
 679                                 (cur_dstat.duration_write_ms - prev_dstat.duration_write_ms) / (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) : 0);
 680                             rrdset_done(st);
 681
 682                             // --------------------------------------------------------------------
 683
 684                             st = rrdset_find_bytype("disk_avgsz", dstat[i].device_name);
 685                             if (unlikely(!st)) {
 686                                 st = rrdset_create("disk_avgsz", dstat[i].device_name, NULL, dstat[i].device_name, "disk.avgsz", "Average Completed I/O Operation Bandwidth", "kilobytes per operation", 2006, update_every, RRDSET_TYPE_AREA);
 687                                 st->isdetail = 1;
 688
 689                                 rrddim_add(st, "reads", NULL, 1, 1024, RRDDIM_ABSOLUTE);
 690                                 rrddim_add(st, "writes", NULL, -1, 1024, RRDDIM_ABSOLUTE);
 691                             }
 692                             else rrdset_next(st);
 693
 694                             rrddim_set(st, "reads", (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) ?
 695                                 (dstat[i].bytes[DEVSTAT_READ] - prev_dstat.bytes_read) / (dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) : 0);
 696                             rrddim_set(st, "writes", (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) ?
 697                                 (dstat[i].bytes[DEVSTAT_WRITE] - prev_dstat.bytes_write) / (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write) : 0);
 698                             rrdset_done(st);
 699
 700                             // --------------------------------------------------------------------
 701
 702                             st = rrdset_find_bytype("disk_svctm", dstat[i].device_name);
 703                             if (unlikely(!st)) {
 704                                 st = rrdset_create("disk_svctm", dstat[i].device_name, NULL, dstat[i].device_name, "disk.svctm", "Average Service Time", "ms per operation", 2007, update_every, RRDSET_TYPE_LINE);
 705                                 st->isdetail = 1;
 706
 707                                 rrddim_add(st, "svctm", NULL, 1, 1, RRDDIM_ABSOLUTE);
 708                             }
 709                             else rrdset_next(st);
 710
 711                             rrddim_set(st, "svctm", ((dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) + (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write)) ?
 712                                 (cur_dstat.busy_time_ms - prev_dstat.busy_time_ms) / ((dstat[i].operations[DEVSTAT_READ] - prev_dstat.operations_read) + (dstat[i].operations[DEVSTAT_WRITE] - prev_dstat.operations_write)) : 0);
 713                             rrdset_done(st);
 714                         }
 715                     }
 716
 717                     // --------------------------------------------------------------------
 718
 719                     st = rrdset_find_bytype("system", "io");
 720                     if (unlikely(!st)) {
 721                         st = rrdset_create("system", "io", NULL, "disk", NULL, "Disk I/O", "kilobytes/s", 150, update_every, RRDSET_TYPE_AREA);
 722                         rrddim_add(st, "in",  NULL,  1, 1024, RRDDIM_INCREMENTAL);
 723                         rrddim_add(st, "out", NULL, -1, 1024, RRDDIM_INCREMENTAL);
 724                     }
 725                     else rrdset_next(st);
 726
 727                     rrddim_set(st, "in", total_disk_reads);
 728                     rrddim_set(st, "out", total_disk_writes);
 729                     rrdset_done(st);
 730                 }
 731             }
 732         }
 733     }
 734
 735     // --------------------------------------------------------------------
 736
 737
 738     if (likely(do_swap)) {
 739         mibsize = sizeof mib / sizeof mib[0];
 740         if (unlikely(sysctlnametomib("vm.swap_info", mib, &mibsize) == -1)) {
 741             error("FREEBSD: sysctl(%s...) failed: %s", "vm.swap_info", strerror(errno));
 742             do_swap = 0;
 743             error("DISABLED: system.swap");
 744         } else {
 745             for (i = 0; ; i++) {
 746                 mib[mibsize] = i;
 747                 size = sizeof(xsw);
 748                 if (unlikely(sysctl(mib, mibsize + 1, &xsw, &size, NULL, 0) == -1 )) {
 749                     if (unlikely(errno != ENOENT)) {
 750                         error("FREEBSD: sysctl(%s...) failed: %s", "vm.swap_info", strerror(errno));
 751                         do_swap = 0;
 752                         error("DISABLED: system.swap");
 753                     } else {
 754                         if (unlikely(size != sizeof(xsw))) {
 755                             error("FREEBSD: sysctl(%s...) expected %lu, got %lu", "vm.swap_info", (unsigned long)sizeof(xsw), (unsigned long)size);
 756                             do_swap = 0;
 757                             error("DISABLED: system.swap");
 758                         } else break;
 759                     }
 760                 }
 761                 total_xsw.bytes_used += xsw.xsw_used;
 762                 total_xsw.bytes_total += xsw.xsw_nblks;
 763             }
 764
 765             if (likely(do_swap)) {
 766                 st = rrdset_find("system.swap");
 767                 if (unlikely(!st)) {
 768                     st = rrdset_create("system", "swap", NULL, "swap", NULL, "System Swap", "MB", 201, update_every, RRDSET_TYPE_STACKED);
 769                     st->isdetail = 1;
 770
 771                     rrddim_add(st, "free",    NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 772                     rrddim_add(st, "used",    NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 773                 }
 774                 else rrdset_next(st);
 775
 776                 rrddim_set(st, "used", total_xsw.bytes_used);
 777                 rrddim_set(st, "free", total_xsw.bytes_total - total_xsw.bytes_used);
 778                 rrdset_done(st);
 779             }
 780         }
 781     }
 782
 783     // --------------------------------------------------------------------
 784
 785     if (likely(do_ram)) {
 786         if (unlikely(GETSYSCTL("vm.stats.vm.v_active_count",    vmmeter_data.v_active_count) ||
 787                      GETSYSCTL("vm.stats.vm.v_inactive_count",  vmmeter_data.v_inactive_count) ||
 788                      GETSYSCTL("vm.stats.vm.v_wire_count",      vmmeter_data.v_wire_count) ||
 789                      GETSYSCTL("vm.stats.vm.v_cache_count",     vmmeter_data.v_cache_count) ||
 790                      GETSYSCTL("vfs.bufspace",                  vfs_bufspace_count) ||
 791                      GETSYSCTL("vm.stats.vm.v_free_count",      vmmeter_data.v_free_count))) {
 792             do_ram = 0;
 793             error("DISABLED: system.ram");
 794         } else {
 795             st = rrdset_find("system.ram");
 796             if (unlikely(!st)) {
 797                 st = rrdset_create("system", "ram", NULL, "ram", NULL, "System RAM", "MB", 200, update_every, RRDSET_TYPE_STACKED);
 798
 799                 rrddim_add(st, "active",    NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 800                 rrddim_add(st, "inactive",  NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 801                 rrddim_add(st, "wired",     NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 802                 rrddim_add(st, "cache",     NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 803                 rrddim_add(st, "buffers",   NULL, 1, 1048576, RRDDIM_ABSOLUTE);
 804                 rrddim_add(st, "free",      NULL, system_pagesize, 1048576, RRDDIM_ABSOLUTE);
 805             }
 806             else rrdset_next(st);
 807
 808             rrddim_set(st, "active",    vmmeter_data.v_active_count);
 809             rrddim_set(st, "inactive",  vmmeter_data.v_inactive_count);
 810             rrddim_set(st, "wired",     vmmeter_data.v_wire_count);
 811             rrddim_set(st, "cache",     vmmeter_data.v_cache_count);
 812             rrddim_set(st, "buffers",   vfs_bufspace_count);
 813             rrddim_set(st, "free",      vmmeter_data.v_free_count);
 814             rrdset_done(st);
 815         }
 816     }
 817
 818     // --------------------------------------------------------------------
 819
 820     if (likely(do_swapio)) {
 821         if (unlikely(GETSYSCTL("vm.stats.vm.v_swappgsin", vmmeter_data.v_swappgsin) || GETSYSCTL("vm.stats.vm.v_swappgsout", vmmeter_data.v_swappgsout))) {
 822             do_swapio = 0;
 823             error("DISABLED: system.swapio");
 824         } else {
 825             st = rrdset_find("system.swapio");
 826             if (unlikely(!st)) {
 827                 st = rrdset_create("system", "swapio", NULL, "swap", NULL, "Swap I/O", "kilobytes/s", 250, update_every, RRDSET_TYPE_AREA);
 828
 829                 rrddim_add(st, "in",  NULL, system_pagesize, 1024, RRDDIM_INCREMENTAL);
 830                 rrddim_add(st, "out", NULL, -system_pagesize, 1024, RRDDIM_INCREMENTAL);
 831             }
 832             else rrdset_next(st);
 833
 834             rrddim_set(st, "in", vmmeter_data.v_swappgsin);
 835             rrddim_set(st, "out", vmmeter_data.v_swappgsout);
 836             rrdset_done(st);
 837         }
 838     }
 839
 840     // --------------------------------------------------------------------
 841
 842     if (likely(do_pgfaults)) {
 843         if (unlikely(GETSYSCTL("vm.stats.vm.v_vm_faults",   vmmeter_data.v_vm_faults) ||
 844                      GETSYSCTL("vm.stats.vm.v_io_faults",   vmmeter_data.v_io_faults) ||
 845                      GETSYSCTL("vm.stats.vm.v_cow_faults",  vmmeter_data.v_cow_faults) ||
 846                      GETSYSCTL("vm.stats.vm.v_cow_optim",   vmmeter_data.v_cow_optim) ||
 847                      GETSYSCTL("vm.stats.vm.v_intrans",     vmmeter_data.v_intrans))) {
 848             do_pgfaults = 0;
 849             error("DISABLED: mem.pgfaults");
 850         } else {
 851             st = rrdset_find("mem.pgfaults");
 852             if (unlikely(!st)) {
 853                 st = rrdset_create("mem", "pgfaults", NULL, "system", NULL, "Memory Page Faults", "page faults/s", 500, update_every, RRDSET_TYPE_LINE);
 854                 st->isdetail = 1;
 855
 856                 rrddim_add(st, "memory", NULL, 1, 1, RRDDIM_INCREMENTAL);
 857                 rrddim_add(st, "io_requiring", NULL, 1, 1, RRDDIM_INCREMENTAL);
 858                 rrddim_add(st, "cow", NULL, 1, 1, RRDDIM_INCREMENTAL);
 859                 rrddim_add(st, "cow_optimized", NULL, 1, 1, RRDDIM_INCREMENTAL);
 860                 rrddim_add(st, "in_transit", NULL, 1, 1, RRDDIM_INCREMENTAL);
 861             }
 862             else rrdset_next(st);
 863
 864             rrddim_set(st, "memory", vmmeter_data.v_vm_faults);
 865             rrddim_set(st, "io_requiring", vmmeter_data.v_io_faults);
 866             rrddim_set(st, "cow", vmmeter_data.v_cow_faults);
 867             rrddim_set(st, "cow_optimized", vmmeter_data.v_cow_optim);
 868             rrddim_set(st, "in_transit", vmmeter_data.v_intrans);
 869             rrdset_done(st);
 870         }
 871     }
 872
 873     // --------------------------------------------------------------------
 874
 875     if (likely(do_ipc_semaphores)) {
 876         if (unlikely(GETSYSCTL("kern.ipc.semmni", ipc_sem.semmni))) {
 877             do_ipc_semaphores = 0;
 878             error("DISABLED: system.ipc_semaphores");
 879             error("DISABLED: system.ipc_semaphore_arrays");
 880         } else {
 881             ipc_sem_data = reallocz(ipc_sem_data, sizeof(struct semid_kernel) * ipc_sem.semmni);
 882             if (unlikely(getsysctl("kern.ipc.sema", ipc_sem_data, sizeof(struct semid_kernel) * ipc_sem.semmni))) {
 883                 do_ipc_semaphores = 0;
 884                 error("DISABLED: system.ipc_semaphores");
 885                 error("DISABLED: system.ipc_semaphore_arrays");
 886             } else {
 887                 for (i = 0; i < ipc_sem.semmni; i++) {
 888                     if (unlikely(ipc_sem_data[i].u.sem_perm.mode & SEM_ALLOC)) {
 889                         ipc_sem.sets += 1;
 890                         ipc_sem.semaphores += ipc_sem_data[i].u.sem_nsems;
 891                     }
 892                 }
 893
 894                 // --------------------------------------------------------------------
 895
 896                 st = rrdset_find("system.ipc_semaphores");
 897                 if (unlikely(!st)) {
 898                     st = rrdset_create("system", "ipc_semaphores", NULL, "ipc semaphores", NULL, "IPC Semaphores", "semaphores", 1000, rrd_update_every, RRDSET_TYPE_AREA);
 899                     rrddim_add(st, "semaphores", NULL, 1, 1, RRDDIM_ABSOLUTE);
 900                 }
 901                 else rrdset_next(st);
 902
 903                 rrddim_set(st, "semaphores", ipc_sem.semaphores);
 904                 rrdset_done(st);
 905
 906                 // --------------------------------------------------------------------
 907
 908                 st = rrdset_find("system.ipc_semaphore_arrays");
 909                 if (unlikely(!st)) {
 910                     st = rrdset_create("system", "ipc_semaphore_arrays", NULL, "ipc semaphores", NULL, "IPC Semaphore Arrays", "arrays", 1000, rrd_update_every, RRDSET_TYPE_AREA);
 911                     rrddim_add(st, "arrays", NULL, 1, 1, RRDDIM_ABSOLUTE);
 912                 }
 913                 else rrdset_next(st);
 914
 915                 rrddim_set(st, "arrays", ipc_sem.sets);
 916                 rrdset_done(st);
 917             }
 918         }
 919     }
 920
 921     // --------------------------------------------------------------------
 922
 923     if (likely(do_ipc_shared_mem)) {
 924         if (unlikely(GETSYSCTL("kern.ipc.shmmni", ipc_shm.shmmni))) {
 925             do_ipc_shared_mem = 0;
 926             error("DISABLED: system.ipc_shared_mem_segs");
 927             error("DISABLED: system.ipc_shared_mem_size");
 928         } else {
 929             ipc_shm_data = reallocz(ipc_shm_data, sizeof(struct shmid_kernel) * ipc_shm.shmmni);
 930             if (unlikely(getsysctl("kern.ipc.shmsegs", ipc_shm_data, sizeof(struct shmid_kernel) * ipc_shm.shmmni))) {
 931                 do_ipc_shared_mem = 0;
 932                 error("DISABLED: system.ipc_shared_mem_segs");
 933                 error("DISABLED: system.ipc_shared_mem_size");
 934             } else {
 935                 for (i = 0; i < ipc_shm.shmmni; i++) {
 936                     if (unlikely(ipc_shm_data[i].u.shm_perm.mode & 0x0800)) {
 937                         ipc_shm.segs += 1;
 938                         ipc_shm.segsize += ipc_shm_data[i].u.shm_segsz;
 939                     }
 940                 }
 941
 942                 // --------------------------------------------------------------------
 943
 944                 st = rrdset_find("system.ipc_shared_mem_segs");
 945                 if (unlikely(!st)) {
 946                     st = rrdset_create("system", "ipc_shared_mem_segs", NULL, "ipc shared memory", NULL, "IPC Shared Memory Segments", "segments", 1000, rrd_update_every, RRDSET_TYPE_AREA);
 947                     rrddim_add(st, "segments", NULL, 1, 1, RRDDIM_ABSOLUTE);
 948                 }
 949                 else rrdset_next(st);
 950
 951                 rrddim_set(st, "segments", ipc_shm.segs);
 952                 rrdset_done(st);
 953
 954                 // --------------------------------------------------------------------
 955
 956                 st = rrdset_find("system.ipc_shared_mem_size");
 957                 if (unlikely(!st)) {
 958                     st = rrdset_create("system", "ipc_shared_mem_size", NULL, "ipc shared memory", NULL, "IPC Shared Memory Segments Size", "kilobytes", 1000, rrd_update_every, RRDSET_TYPE_AREA);
 959                     rrddim_add(st, "allocated", NULL, 1, 1024, RRDDIM_ABSOLUTE);
 960                 }
 961                 else rrdset_next(st);
 962
 963                 rrddim_set(st, "allocated", ipc_shm.segsize);
 964                 rrdset_done(st);
 965             }
 966         }
 967     }
 968
 969     // --------------------------------------------------------------------
 970
 971     if (likely(do_ipc_msg_queues)) {
 972         if (unlikely(GETSYSCTL("kern.ipc.msgmni", ipc_msq.msgmni))) {
 973             do_ipc_msg_queues = 0;
 974             error("DISABLED: system.ipc_msq_queues");
 975             error("DISABLED: system.ipc_msq_messages");
 976             error("DISABLED: system.ipc_msq_size");
 977         } else {
 978             ipc_msq_data = reallocz(ipc_msq_data, sizeof(struct msqid_kernel) * ipc_msq.msgmni);
 979             if (unlikely(getsysctl("kern.ipc.msqids", ipc_msq_data, sizeof(struct msqid_kernel) * ipc_msq.msgmni))) {
 980                 do_ipc_msg_queues = 0;
 981                 error("DISABLED: system.ipc_msq_queues");
 982                 error("DISABLED: system.ipc_msq_messages");
 983                 error("DISABLED: system.ipc_msq_size");
 984             } else {
 985                 for (i = 0; i < ipc_msq.msgmni; i++) {
 986                     if (unlikely(ipc_msq_data[i].u.msg_qbytes != 0)) {
 987                         ipc_msq.queues += 1;
 988                         ipc_msq.messages += ipc_msq_data[i].u.msg_qnum;
 989                         ipc_msq.usedsize += ipc_msq_data[i].u.msg_cbytes;
 990                         ipc_msq.allocsize += ipc_msq_data[i].u.msg_qbytes;
 991                     }
 992                 }
 993
 994                 // --------------------------------------------------------------------
 995
 996                 st = rrdset_find("system.ipc_msq_queues");
 997                 if (unlikely(!st)) {
 998                     st = rrdset_create("system", "ipc_msq_queues", NULL, "ipc message queues", NULL, "Number of IPC Message Queues", "queues", 990, rrd_update_every, RRDSET_TYPE_AREA);
 999                     rrddim_add(st, "queues", NULL, 1, 1, RRDDIM_ABSOLUTE);
1000                 }
1001                 else rrdset_next(st);
1002
1003                 rrddim_set(st, "queues", ipc_msq.queues);
1004                 rrdset_done(st);
1005
1006                 // --------------------------------------------------------------------
1007
1008                 st = rrdset_find("system.ipc_msq_messages");
1009                 if (unlikely(!st)) {
1010                     st = rrdset_create("system", "ipc_msq_messages", NULL, "ipc message queues", NULL, "Number of Messages in IPC Message Queues", "messages", 1000, rrd_update_every, RRDSET_TYPE_AREA);
1011                     rrddim_add(st, "messages", NULL, 1, 1, RRDDIM_ABSOLUTE);
1012                 }
1013                 else rrdset_next(st);
1014
1015                 rrddim_set(st, "messages", ipc_msq.messages);
1016                 rrdset_done(st);
1017
1018                 // --------------------------------------------------------------------
1019
1020                 st = rrdset_find("system.ipc_msq_size");
1021                 if (unlikely(!st)) {
1022                     st = rrdset_create("system", "ipc_msq_size", NULL, "ipc message queues", NULL, "Size of IPC Message Queues", "bytes", 1100, rrd_update_every, RRDSET_TYPE_LINE);
1023                     rrddim_add(st, "allocated", NULL, 1, 1, RRDDIM_ABSOLUTE);
1024                     rrddim_add(st, "used", NULL, 1, 1, RRDDIM_ABSOLUTE);
1025                 }
1026                 else rrdset_next(st);
1027
1028                 rrddim_set(st, "allocated", ipc_msq.allocsize);
1029                 rrddim_set(st, "used", ipc_msq.usedsize);
1030                 rrdset_done(st);
1031
1032             }
1033         }
1034     }
1035
1036     // --------------------------------------------------------------------
1037
1038     if (likely(do_netisr || do_netisr_per_core)) {
1039         if (unlikely(GETSYSCTL("kern.smp.cpus", ncpus))) {
1040             common_error = 1;
1041         } else if (unlikely(ncpus > 9999)) {
1042             error("FREEBSD: There are more than 4 digits in cpu cores number");
1043             common_error = 1;
1044         } else if (unlikely(sysctlbyname("net.isr.workstream", NULL, &netisr_workstream_size, NULL, 0) == -1)) {
1045             error("FREEBSD: sysctl(net.isr.workstream...) failed: %s", strerror(errno));
1046             common_error = 1;
1047         } else if (unlikely(sysctlbyname("net.isr.work", NULL, &netisr_work_size, NULL, 0) == -1)) {
1048             error("FREEBSD: sysctl(net.isr.work...) failed: %s", strerror(errno));
1049             common_error = 1;
1050         } else {
1051             num_netisr_workstreams = netisr_workstream_size / sizeof(struct sysctl_netisr_workstream);
1052             netisr_workstream = reallocz(netisr_workstream, num_netisr_workstreams * sizeof(struct sysctl_netisr_workstream));
1053             if (unlikely(getsysctl("net.isr.workstream", netisr_workstream, num_netisr_workstreams * sizeof(struct sysctl_netisr_workstream)))){
1054                 common_error = 1;
1055             } else {
1056                 num_netisr_works = netisr_work_size / sizeof(struct sysctl_netisr_work);
1057                 netisr_work = reallocz(netisr_work, num_netisr_works * sizeof(struct sysctl_netisr_work));
1058                 if (unlikely(getsysctl("net.isr.work", netisr_work, num_netisr_works * sizeof(struct sysctl_netisr_work)))){
1059                     common_error = 1;
1060                 }
1061             }
1062         }
1063         if (unlikely(common_error)) {
1064             do_netisr = 0;
1065             error("DISABLED: system.softnet_stat");
1066             do_netisr_per_core = 0;
1067             error("DISABLED: system.cpuX_softnet_stat");
1068             common_error = 0;
1069         } else {
1070             netisr_stats = reallocz(netisr_stats, (ncpus + 1) * sizeof(struct netisr_stats));
1071             bzero(netisr_stats, (ncpus + 1) * sizeof(struct netisr_stats));
1072             for (i = 0; i < num_netisr_workstreams; i++) {
1073                 for (n = 0; n < num_netisr_works; n++) {
1074                     if (netisr_workstream[i].snws_wsid == netisr_work[n].snw_wsid) {
1075                         netisr_stats[netisr_workstream[i].snws_cpu].dispatched += netisr_work[n].snw_dispatched;
1076                         netisr_stats[netisr_workstream[i].snws_cpu].hybrid_dispatched += netisr_work[n].snw_hybrid_dispatched;
1077                         netisr_stats[netisr_workstream[i].snws_cpu].qdrops += netisr_work[n].snw_qdrops;
1078                         netisr_stats[netisr_workstream[i].snws_cpu].queued += netisr_work[n].snw_queued;
1079                     }
1080                 }
1081             }
1082             for (i = 0; i < ncpus; i++) {
1083                 netisr_stats[ncpus].dispatched += netisr_stats[i].dispatched;
1084                 netisr_stats[ncpus].hybrid_dispatched += netisr_stats[i].hybrid_dispatched;
1085                 netisr_stats[ncpus].qdrops += netisr_stats[i].qdrops;
1086                 netisr_stats[ncpus].queued += netisr_stats[i].queued;
1087             }
1088         }
1089     }
1090
1091     // --------------------------------------------------------------------
1092
1093     if (likely(do_netisr)) {
1094         st = rrdset_find_bytype("system", "softnet_stat");
1095         if (unlikely(!st)) {
1096             st = rrdset_create("system", "softnet_stat", NULL, "softnet_stat", NULL, "System softnet_stat", "events/s", 955, update_every, RRDSET_TYPE_LINE);
1097             rrddim_add(st, "dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1098             rrddim_add(st, "hybrid_dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1099             rrddim_add(st, "qdrops", NULL, 1, 1, RRDDIM_INCREMENTAL);
1100             rrddim_add(st, "queued", NULL, 1, 1, RRDDIM_INCREMENTAL);
1101         }
1102         else rrdset_next(st);
1103
1104         rrddim_set(st, "dispatched", netisr_stats[ncpus].dispatched);
1105         rrddim_set(st, "hybrid_dispatched", netisr_stats[ncpus].hybrid_dispatched);
1106         rrddim_set(st, "qdrops", netisr_stats[ncpus].qdrops);
1107         rrddim_set(st, "queued", netisr_stats[ncpus].queued);
1108         rrdset_done(st);
1109     }
1110
1111     // --------------------------------------------------------------------
1112
1113     if (likely(do_netisr_per_core)) {
1114         for (i = 0; i < ncpus ;i++) {
1115             snprintfz(netstat_cpuid, 21, "cpu%d_softnet_stat", i);
1116
1117             st = rrdset_find_bytype("cpu", netstat_cpuid);
1118             if (unlikely(!st)) {
1119                 st = rrdset_create("cpu", netstat_cpuid, NULL, "softnet_stat", NULL, "Per CPU netisr statistics", "events/s", 1101 + i, update_every, RRDSET_TYPE_LINE);
1120                 rrddim_add(st, "dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1121                 rrddim_add(st, "hybrid_dispatched", NULL, 1, 1, RRDDIM_INCREMENTAL);
1122                 rrddim_add(st, "qdrops", NULL, 1, 1, RRDDIM_INCREMENTAL);
1123                 rrddim_add(st, "queued", NULL, 1, 1, RRDDIM_INCREMENTAL);
1124             }
1125             else rrdset_next(st);
1126
1127             rrddim_set(st, "dispatched", netisr_stats[i].dispatched);
1128             rrddim_set(st, "hybrid_dispatched", netisr_stats[i].hybrid_dispatched);
1129             rrddim_set(st, "qdrops", netisr_stats[i].qdrops);
1130             rrddim_set(st, "queued", netisr_stats[i].queued);
1131             rrdset_done(st);
1132         }
1133     }
1134
1135     // --------------------------------------------------------------------
1136
1137     if (likely(do_bandwidth)) {
1138         if (unlikely(getifaddrs(&ifap))) {
1139             error("FREEBSD: getifaddrs()");
1140             do_bandwidth = 0;
1141             error("DISABLED: system.ipv4");
1142         } else {
1143             iftot.ift_ibytes = iftot.ift_obytes = 0;
1144             for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1145                 if (ifa->ifa_addr->sa_family != AF_INET)
1146                         continue;
1147                 iftot.ift_ibytes += IFA_DATA(ibytes);
1148                 iftot.ift_obytes += IFA_DATA(obytes);
1149             }
1150
1151             st = rrdset_find("system.ipv4");
1152             if (unlikely(!st)) {
1153                 st = rrdset_create("system", "ipv4", NULL, "network", NULL, "IPv4 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
1154
1155                 rrddim_add(st, "InOctets", "received", 8, 1024, RRDDIM_INCREMENTAL);
1156                 rrddim_add(st, "OutOctets", "sent", -8, 1024, RRDDIM_INCREMENTAL);
1157             }
1158             else rrdset_next(st);
1159
1160             rrddim_set(st, "InOctets", iftot.ift_ibytes);
1161             rrddim_set(st, "OutOctets", iftot.ift_obytes);
1162             rrdset_done(st);
1163
1164             // --------------------------------------------------------------------
1165
1166             iftot.ift_ibytes = iftot.ift_obytes = 0;
1167             for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1168                 if (ifa->ifa_addr->sa_family != AF_INET6)
1169                         continue;
1170                 iftot.ift_ibytes += IFA_DATA(ibytes);
1171                 iftot.ift_obytes += IFA_DATA(obytes);
1172             }
1173
1174             st = rrdset_find("system.ipv6");
1175             if (unlikely(!st)) {
1176                 st = rrdset_create("system", "ipv6", NULL, "network", NULL, "IPv6 Bandwidth", "kilobits/s", 500, update_every, RRDSET_TYPE_AREA);
1177
1178                 rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
1179                 rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
1180             }
1181             else rrdset_next(st);
1182
1183             rrddim_set(st, "sent", iftot.ift_obytes);
1184             rrddim_set(st, "received", iftot.ift_ibytes);
1185             rrdset_done(st);
1186
1187             for (ifa = ifap; ifa; ifa = ifa->ifa_next) {
1188                 if (ifa->ifa_addr->sa_family != AF_LINK)
1189                         continue;
1190
1191                 // --------------------------------------------------------------------
1192
1193                 st = rrdset_find_bytype("net", ifa->ifa_name);
1194                 if (unlikely(!st)) {
1195                     st = rrdset_create("net", ifa->ifa_name, NULL, ifa->ifa_name, "net.net", "Bandwidth", "kilobits/s", 7000, update_every, RRDSET_TYPE_AREA);
1196
1197                     rrddim_add(st, "received", NULL, 8, 1024, RRDDIM_INCREMENTAL);
1198                     rrddim_add(st, "sent", NULL, -8, 1024, RRDDIM_INCREMENTAL);
1199                 }
1200                 else rrdset_next(st);
1201
1202                 rrddim_set(st, "received", IFA_DATA(ibytes));
1203                 rrddim_set(st, "sent", IFA_DATA(obytes));
1204                 rrdset_done(st);
1205
1206                 // --------------------------------------------------------------------
1207
1208                 st = rrdset_find_bytype("net_packets", ifa->ifa_name);
1209                 if (unlikely(!st)) {
1210                     st = rrdset_create("net_packets", ifa->ifa_name, NULL, ifa->ifa_name, "net.packets", "Packets", "packets/s", 7001, update_every, RRDSET_TYPE_LINE);
1211                     st->isdetail = 1;
1212
1213                     rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
1214                     rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
1215                     rrddim_add(st, "multicast_received", NULL, 1, 1, RRDDIM_INCREMENTAL);
1216                     rrddim_add(st, "multicast_sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
1217                 }
1218                 else rrdset_next(st);
1219
1220                 rrddim_set(st, "received", IFA_DATA(ipackets));
1221                 rrddim_set(st, "sent", IFA_DATA(opackets));
1222                 rrddim_set(st, "multicast_received", IFA_DATA(imcasts));
1223                 rrddim_set(st, "multicast_sent", IFA_DATA(omcasts));
1224                 rrdset_done(st);
1225
1226                 // --------------------------------------------------------------------
1227
1228                 st = rrdset_find_bytype("net_errors", ifa->ifa_name);
1229                 if (unlikely(!st)) {
1230                     st = rrdset_create("net_errors", ifa->ifa_name, NULL, ifa->ifa_name, "net.errors", "Interface Errors", "errors/s", 7002, update_every, RRDSET_TYPE_LINE);
1231                     st->isdetail = 1;
1232
1233                     rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
1234                     rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
1235                 }
1236                 else rrdset_next(st);
1237
1238                 rrddim_set(st, "inbound", IFA_DATA(ierrors));
1239                 rrddim_set(st, "outbound", IFA_DATA(oerrors));
1240                 rrdset_done(st);
1241
1242                 // --------------------------------------------------------------------
1243
1244                 st = rrdset_find_bytype("net_drops", ifa->ifa_name);
1245                 if (unlikely(!st)) {
1246                     st = rrdset_create("net_drops", ifa->ifa_name, NULL, ifa->ifa_name, "net.drops", "Interface Drops", "drops/s", 7003, update_every, RRDSET_TYPE_LINE);
1247                     st->isdetail = 1;
1248
1249                     rrddim_add(st, "inbound", NULL, 1, 1, RRDDIM_INCREMENTAL);
1250                     rrddim_add(st, "outbound", NULL, -1, 1, RRDDIM_INCREMENTAL);
1251                 }
1252                 else rrdset_next(st);
1253
1254                 rrddim_set(st, "inbound", IFA_DATA(iqdrops));
1255                 rrddim_set(st, "outbound", IFA_DATA(oqdrops));
1256                 rrdset_done(st);
1257
1258                 // --------------------------------------------------------------------
1259
1260                 st = rrdset_find_bytype("net_events", ifa->ifa_name);
1261                 if (unlikely(!st)) {
1262                     st = rrdset_create("net_events", ifa->ifa_name, NULL, ifa->ifa_name, "net.events", "Network Interface Events", "events/s", 7006, update_every, RRDSET_TYPE_LINE);
1263                     st->isdetail = 1;
1264
1265                     rrddim_add(st, "frames", NULL, 1, 1, RRDDIM_INCREMENTAL);
1266                     rrddim_add(st, "collisions", NULL, -1, 1, RRDDIM_INCREMENTAL);
1267                     rrddim_add(st, "carrier", NULL, -1, 1, RRDDIM_INCREMENTAL);
1268                 }
1269                 else rrdset_next(st);
1270
1271                 rrddim_set(st, "collisions", IFA_DATA(collisions));
1272                 rrdset_done(st);
1273             }
1274
1275             freeifaddrs(ifap);
1276         }
1277     }
1278
1279     // --------------------------------------------------------------------
1280
1281     // see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
1282     if (likely(do_tcp_sockets)) {
1283         if (unlikely(GETSYSCTL("net.inet.tcp.states", tcps_states))) {
1284             do_tcp_sockets = 0;
1285             error("DISABLED: ipv4.tcpsock");
1286         } else {
1287             if (likely(do_tcp_sockets)) {
1288                 st = rrdset_find("ipv4.tcpsock");
1289                 if (unlikely(!st)) {
1290                     st = rrdset_create("ipv4", "tcpsock", NULL, "tcp", NULL, "IPv4 TCP Connections",
1291                                        "active connections", 2500, update_every, RRDSET_TYPE_LINE);
1292
1293                     rrddim_add(st, "CurrEstab", "connections", 1, 1, RRDDIM_ABSOLUTE);
1294                 } else
1295                     rrdset_next(st);
1296
1297                 rrddim_set(st, "CurrEstab", tcps_states[TCPS_ESTABLISHED]);
1298                 rrdset_done(st);
1299             }
1300         }
1301     }
1302
1303     // --------------------------------------------------------------------
1304
1305     // see http://net-snmp.sourceforge.net/docs/mibs/tcp.html
1306     if (likely(do_tcp_packets || do_tcp_errors || do_tcp_handshake || do_tcpext_connaborts || do_tcpext_ofo || do_tcpext_syscookies || do_ecn)) {
1307         if (unlikely(GETSYSCTL("net.inet.tcp.stats", tcpstat))){
1308             do_tcp_packets = 0;
1309             error("DISABLED: ipv4.tcppackets");
1310             do_tcp_errors = 0;
1311             error("DISABLED: ipv4.tcperrors");
1312             do_tcp_handshake = 0;
1313             error("DISABLED: ipv4.tcphandshake");
1314             do_tcpext_connaborts = 0;
1315             error("DISABLED: ipv4.tcpconnaborts");
1316             do_tcpext_ofo = 0;
1317             error("DISABLED: ipv4.tcpofo");
1318             do_tcpext_syscookies = 0;
1319             error("DISABLED: ipv4.tcpsyncookies");
1320             do_ecn = 0;
1321             error("DISABLED: ipv4.ecnpkts");
1322         } else {
1323             if (likely(do_tcp_packets)) {
1324                 st = rrdset_find("ipv4.tcppackets");
1325                 if (unlikely(!st)) {
1326                     st = rrdset_create("ipv4", "tcppackets", NULL, "tcp", NULL, "IPv4 TCP Packets",
1327                                        "packets/s",
1328                                        2600, update_every, RRDSET_TYPE_LINE);
1329
1330                     rrddim_add(st, "InSegs", "received", 1, 1, RRDDIM_INCREMENTAL);
1331                     rrddim_add(st, "OutSegs", "sent", -1, 1, RRDDIM_INCREMENTAL);
1332                 } else
1333                     rrdset_next(st);
1334
1335                 rrddim_set(st, "InSegs", tcpstat.tcps_rcvtotal);
1336                 rrddim_set(st, "OutSegs", tcpstat.tcps_sndtotal);
1337                 rrdset_done(st);
1338             }
1339
1340             // --------------------------------------------------------------------
1341
1342             if (likely(do_tcp_errors)) {
1343                 st = rrdset_find("ipv4.tcperrors");
1344                 if (unlikely(!st)) {
1345                     st = rrdset_create("ipv4", "tcperrors", NULL, "tcp", NULL, "IPv4 TCP Errors",
1346                                        "packets/s",
1347                                        2700, update_every, RRDSET_TYPE_LINE);
1348                     st->isdetail = 1;
1349
1350                     rrddim_add(st, "InErrs", NULL, 1, 1, RRDDIM_INCREMENTAL);
1351                     rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1352                     rrddim_add(st, "RetransSegs", NULL, -1, 1, RRDDIM_INCREMENTAL);
1353                 } else
1354                     rrdset_next(st);
1355
1356                 rrddim_set(st, "InErrs", tcpstat.tcps_rcvbadoff + tcpstat.tcps_rcvreassfull + tcpstat.tcps_rcvshort);
1357                 rrddim_set(st, "InCsumErrors", tcpstat.tcps_rcvbadsum);
1358                 rrddim_set(st, "RetransSegs", tcpstat.tcps_sndrexmitpack);
1359                 rrdset_done(st);
1360             }
1361
1362             // --------------------------------------------------------------------
1363
1364             if (likely(do_tcp_handshake)) {
1365                 st = rrdset_find("ipv4.tcphandshake");
1366                 if (unlikely(!st)) {
1367                     st = rrdset_create("ipv4", "tcphandshake", NULL, "tcp", NULL,
1368                                        "IPv4 TCP Handshake Issues",
1369                                        "events/s", 2900, update_every, RRDSET_TYPE_LINE);
1370                     st->isdetail = 1;
1371
1372                     rrddim_add(st, "EstabResets", NULL, 1, 1, RRDDIM_INCREMENTAL);
1373                     rrddim_add(st, "ActiveOpens", NULL, 1, 1, RRDDIM_INCREMENTAL);
1374                     rrddim_add(st, "PassiveOpens", NULL, 1, 1, RRDDIM_INCREMENTAL);
1375                     rrddim_add(st, "AttemptFails", NULL, 1, 1, RRDDIM_INCREMENTAL);
1376                 } else
1377                     rrdset_next(st);
1378
1379                 rrddim_set(st, "EstabResets", tcpstat.tcps_drops);
1380                 rrddim_set(st, "ActiveOpens", tcpstat.tcps_connattempt);
1381                 rrddim_set(st, "PassiveOpens", tcpstat.tcps_accepts);
1382                 rrddim_set(st, "AttemptFails", tcpstat.tcps_conndrops);
1383                 rrdset_done(st);
1384             }
1385
1386             // --------------------------------------------------------------------
1387
1388             if (do_tcpext_connaborts == CONFIG_ONDEMAND_YES || (do_tcpext_connaborts == CONFIG_ONDEMAND_ONDEMAND && (tcpstat.tcps_rcvpackafterwin || tcpstat.tcps_rcvafterclose || tcpstat.tcps_rcvmemdrop || tcpstat.tcps_persistdrop || tcpstat.tcps_finwait2_drops))) {
1389                 do_tcpext_connaborts = CONFIG_ONDEMAND_YES;
1390                 st = rrdset_find("ipv4.tcpconnaborts");
1391                 if (unlikely(!st)) {
1392                     st = rrdset_create("ipv4", "tcpconnaborts", NULL, "tcp", NULL, "TCP Connection Aborts", "connections/s", 3010, update_every, RRDSET_TYPE_LINE);
1393
1394                     rrddim_add(st, "TCPAbortOnData",    "baddata",     1, 1, RRDDIM_INCREMENTAL);
1395                     rrddim_add(st, "TCPAbortOnClose",   "userclosed",  1, 1, RRDDIM_INCREMENTAL);
1396                     rrddim_add(st, "TCPAbortOnMemory",  "nomemory",    1, 1, RRDDIM_INCREMENTAL);
1397                     rrddim_add(st, "TCPAbortOnTimeout", "timeout",     1, 1, RRDDIM_INCREMENTAL);
1398                     rrddim_add(st, "TCPAbortOnLinger",  "linger",      1, 1, RRDDIM_INCREMENTAL);
1399                 }
1400                 else rrdset_next(st);
1401
1402                 rrddim_set(st, "TCPAbortOnData",    tcpstat.tcps_rcvpackafterwin);
1403                 rrddim_set(st, "TCPAbortOnClose",   tcpstat.tcps_rcvafterclose);
1404                 rrddim_set(st, "TCPAbortOnMemory",  tcpstat.tcps_rcvmemdrop);
1405                 rrddim_set(st, "TCPAbortOnTimeout", tcpstat.tcps_persistdrop);
1406                 rrddim_set(st, "TCPAbortOnLinger",  tcpstat.tcps_finwait2_drops);
1407                 rrdset_done(st);
1408             }
1409
1410             // --------------------------------------------------------------------
1411
1412             if (do_tcpext_ofo == CONFIG_ONDEMAND_YES || (do_tcpext_ofo == CONFIG_ONDEMAND_ONDEMAND && tcpstat.tcps_rcvoopack)) {
1413                 do_tcpext_ofo = CONFIG_ONDEMAND_YES;
1414                 st = rrdset_find("ipv4.tcpofo");
1415                 if (unlikely(!st)) {
1416                     st = rrdset_create("ipv4", "tcpofo", NULL, "tcp", NULL, "TCP Out-Of-Order Queue", "packets/s", 3050, update_every, RRDSET_TYPE_LINE);
1417
1418                     rrddim_add(st, "TCPOFOQueue", "inqueue",  1, 1, RRDDIM_INCREMENTAL);
1419                 }
1420                 else rrdset_next(st);
1421
1422                 rrddim_set(st, "TCPOFOQueue",   tcpstat.tcps_rcvoopack);
1423                 rrdset_done(st);
1424             }
1425
1426             // --------------------------------------------------------------------
1427
1428             if (do_tcpext_syscookies == CONFIG_ONDEMAND_YES || (do_tcpext_syscookies == CONFIG_ONDEMAND_ONDEMAND && (tcpstat.tcps_sc_sendcookie || tcpstat.tcps_sc_recvcookie || tcpstat.tcps_sc_zonefail))) {
1429                 do_tcpext_syscookies = CONFIG_ONDEMAND_YES;
1430
1431                 st = rrdset_find("ipv4.tcpsyncookies");
1432                 if (unlikely(!st)) {
1433                     st = rrdset_create("ipv4", "tcpsyncookies", NULL, "tcp", NULL, "TCP SYN Cookies", "packets/s", 3100, update_every, RRDSET_TYPE_LINE);
1434
1435                     rrddim_add(st, "SyncookiesRecv",   "received",  1, 1, RRDDIM_INCREMENTAL);
1436                     rrddim_add(st, "SyncookiesSent",   "sent",     -1, 1, RRDDIM_INCREMENTAL);
1437                     rrddim_add(st, "SyncookiesFailed", "failed",   -1, 1, RRDDIM_INCREMENTAL);
1438                 }
1439                 else rrdset_next(st);
1440
1441                 rrddim_set(st, "SyncookiesRecv",   tcpstat.tcps_sc_recvcookie);
1442                 rrddim_set(st, "SyncookiesSent",   tcpstat.tcps_sc_sendcookie);
1443                 rrddim_set(st, "SyncookiesFailed", tcpstat.tcps_sc_zonefail);
1444                 rrdset_done(st);
1445             }
1446
1447             // --------------------------------------------------------------------
1448
1449             if (do_ecn == CONFIG_ONDEMAND_YES || (do_ecn == CONFIG_ONDEMAND_ONDEMAND && (tcpstat.tcps_ecn_ce || tcpstat.tcps_ecn_ect0 || tcpstat.tcps_ecn_ect1))) {
1450                 do_ecn = CONFIG_ONDEMAND_YES;
1451                 st = rrdset_find("ipv4.ecnpkts");
1452                 if (unlikely(!st)) {
1453                     st = rrdset_create("ipv4", "ecnpkts", NULL, "ecn", NULL, "IPv4 ECN Statistics", "packets/s", 8700, update_every, RRDSET_TYPE_LINE);
1454                     st->isdetail = 1;
1455
1456                     rrddim_add(st, "InCEPkts", "CEP", 1, 1, RRDDIM_INCREMENTAL);
1457                     rrddim_add(st, "InNoECTPkts", "NoECTP", -1, 1, RRDDIM_INCREMENTAL);
1458                     rrddim_add(st, "InECT0Pkts", "ECTP0", 1, 1, RRDDIM_INCREMENTAL);
1459                     rrddim_add(st, "InECT1Pkts", "ECTP1", 1, 1, RRDDIM_INCREMENTAL);
1460                 }
1461                 else rrdset_next(st);
1462
1463                 rrddim_set(st, "InCEPkts", tcpstat.tcps_ecn_ce);
1464                 rrddim_set(st, "InNoECTPkts", tcpstat.tcps_ecn_ce - (tcpstat.tcps_ecn_ect0 + tcpstat.tcps_ecn_ect1));
1465                 rrddim_set(st, "InECT0Pkts", tcpstat.tcps_ecn_ect0);
1466                 rrddim_set(st, "InECT1Pkts", tcpstat.tcps_ecn_ect1);
1467                 rrdset_done(st);
1468             }
1469
1470         }
1471     }
1472
1473     // --------------------------------------------------------------------
1474
1475     // see http://net-snmp.sourceforge.net/docs/mibs/udp.html
1476     if (likely(do_udp_packets || do_udp_errors)) {
1477         if (unlikely(GETSYSCTL("net.inet.udp.stats", udpstat))) {
1478             do_udp_packets = 0;
1479             error("DISABLED: ipv4.udppackets");
1480             do_udp_errors = 0;
1481             error("DISABLED: ipv4.udperrors");
1482         } else {
1483             if (likely(do_udp_packets)) {
1484                 st = rrdset_find("ipv4.udppackets");
1485                 if (unlikely(!st)) {
1486                     st = rrdset_create("ipv4", "udppackets", NULL, "udp", NULL, "IPv4 UDP Packets",
1487                                        "packets/s", 2601, update_every, RRDSET_TYPE_LINE);
1488
1489                     rrddim_add(st, "InDatagrams", "received", 1, 1, RRDDIM_INCREMENTAL);
1490                     rrddim_add(st, "OutDatagrams", "sent", -1, 1, RRDDIM_INCREMENTAL);
1491                 } else
1492                     rrdset_next(st);
1493
1494                 rrddim_set(st, "InDatagrams", udpstat.udps_ipackets);
1495                 rrddim_set(st, "OutDatagrams", udpstat.udps_opackets);
1496                 rrdset_done(st);
1497             }
1498
1499             // --------------------------------------------------------------------
1500
1501             if (likely(do_udp_errors)) {
1502                 st = rrdset_find("ipv4.udperrors");
1503                 if (unlikely(!st)) {
1504                     st = rrdset_create("ipv4", "udperrors", NULL, "udp", NULL, "IPv4 UDP Errors", "events/s",
1505                                        2701, update_every, RRDSET_TYPE_LINE);
1506                     st->isdetail = 1;
1507
1508                     rrddim_add(st, "RcvbufErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1509                     rrddim_add(st, "InErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1510                     rrddim_add(st, "NoPorts", NULL, 1, 1, RRDDIM_INCREMENTAL);
1511                     rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1512                     rrddim_add(st, "IgnoredMulti", NULL, 1, 1, RRDDIM_INCREMENTAL);
1513                 } else
1514                     rrdset_next(st);
1515
1516                 rrddim_set(st, "InErrors", udpstat.udps_hdrops + udpstat.udps_badlen);
1517                 rrddim_set(st, "NoPorts", udpstat.udps_noport);
1518                 rrddim_set(st, "RcvbufErrors", udpstat.udps_fullsock);
1519                 rrddim_set(st, "InCsumErrors", udpstat.udps_badsum + udpstat.udps_nosum);
1520                 rrddim_set(st, "IgnoredMulti", udpstat.udps_filtermcast);
1521                 rrdset_done(st);
1522             }
1523         }
1524     }
1525
1526     // --------------------------------------------------------------------
1527
1528     if (likely(do_icmp_packets || do_icmpmsg)) {
1529         if (unlikely(GETSYSCTL("net.inet.icmp.stats", icmpstat))) {
1530             do_icmp_packets = 0;
1531             error("DISABLED: ipv4.icmp");
1532             error("DISABLED: ipv4.icmp_errors");
1533             do_icmpmsg = 0;
1534             error("DISABLED: ipv4.icmpmsg");
1535         } else {
1536             for (i = 0; i <= ICMP_MAXTYPE; i++) {
1537                 icmp_total.msgs_in += icmpstat.icps_inhist[i];
1538                 icmp_total.msgs_out += icmpstat.icps_outhist[i];
1539             }
1540             icmp_total.msgs_in += icmpstat.icps_badcode + icmpstat.icps_badlen + icmpstat.icps_checksum + icmpstat.icps_tooshort;
1541
1542             // --------------------------------------------------------------------
1543
1544             if (likely(do_icmp_packets)) {
1545                 st = rrdset_find("ipv4.icmp");
1546                 if (unlikely(!st)) {
1547                     st = rrdset_create("ipv4", "icmp", NULL, "icmp", NULL, "IPv4 ICMP Packets", "packets/s",
1548                                        2602,
1549                                        update_every, RRDSET_TYPE_LINE);
1550
1551                     rrddim_add(st, "InMsgs", "received", 1, 1, RRDDIM_INCREMENTAL);
1552                     rrddim_add(st, "OutMsgs", "sent", -1, 1, RRDDIM_INCREMENTAL);
1553                 } else
1554                     rrdset_next(st);
1555
1556                 rrddim_set(st, "InMsgs", icmp_total.msgs_in);
1557                 rrddim_set(st, "OutMsgs", icmp_total.msgs_out);
1558
1559                 rrdset_done(st);
1560
1561                 // --------------------------------------------------------------------
1562
1563                 st = rrdset_find("ipv4.icmp_errors");
1564                 if (unlikely(!st)) {
1565                     st = rrdset_create("ipv4", "icmp_errors", NULL, "icmp", NULL, "IPv4 ICMP Errors",
1566                                        "packets/s",
1567                                        2603, update_every, RRDSET_TYPE_LINE);
1568
1569                     rrddim_add(st, "InErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1570                     rrddim_add(st, "OutErrors", NULL, -1, 1, RRDDIM_INCREMENTAL);
1571                     rrddim_add(st, "InCsumErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1572                 } else
1573                     rrdset_next(st);
1574
1575                 rrddim_set(st, "InErrors", icmpstat.icps_badcode + icmpstat.icps_badlen + icmpstat.icps_checksum + icmpstat.icps_tooshort);
1576                 rrddim_set(st, "OutErrors", icmpstat.icps_error);
1577                 rrddim_set(st, "InCsumErrors", icmpstat.icps_checksum);
1578
1579                 rrdset_done(st);
1580             }
1581
1582             // --------------------------------------------------------------------
1583
1584             if (likely(do_icmpmsg)) {
1585                 st = rrdset_find("ipv4.icmpmsg");
1586                 if (unlikely(!st)) {
1587                     st = rrdset_create("ipv4", "icmpmsg", NULL, "icmp", NULL, "IPv4 ICMP Messsages",
1588                                        "packets/s", 2604, update_every, RRDSET_TYPE_LINE);
1589
1590                     rrddim_add(st, "InEchoReps", NULL, 1, 1, RRDDIM_INCREMENTAL);
1591                     rrddim_add(st, "OutEchoReps", NULL, -1, 1, RRDDIM_INCREMENTAL);
1592                     rrddim_add(st, "InEchos", NULL, 1, 1, RRDDIM_INCREMENTAL);
1593                     rrddim_add(st, "OutEchos", NULL, -1, 1, RRDDIM_INCREMENTAL);
1594                 } else
1595                     rrdset_next(st);
1596
1597                     rrddim_set(st, "InEchoReps", icmpstat.icps_inhist[ICMP_ECHOREPLY]);
1598                     rrddim_set(st, "OutEchoReps", icmpstat.icps_outhist[ICMP_ECHOREPLY]);
1599                     rrddim_set(st, "InEchos", icmpstat.icps_inhist[ICMP_ECHO]);
1600                     rrddim_set(st, "OutEchos", icmpstat.icps_outhist[ICMP_ECHO]);
1601
1602                 rrdset_done(st);
1603             }
1604         }
1605     }
1606
1607     // --------------------------------------------------------------------
1608
1609     // see also http://net-snmp.sourceforge.net/docs/mibs/ip.html
1610     if (likely(do_ip_packets || do_ip_fragsout || do_ip_fragsin || do_ip_errors)) {
1611         if (unlikely(GETSYSCTL("net.inet.ip.stats", ipstat))) {
1612             do_ip_packets = 0;
1613             error("DISABLED: ipv4.packets");
1614             do_ip_fragsout = 0;
1615             error("DISABLED: ipv4.fragsout");
1616             do_ip_fragsin = 0;
1617             error("DISABLED: ipv4.fragsin");
1618             do_ip_errors = 0;
1619             error("DISABLED: ipv4.errors");
1620         } else {
1621             if (likely(do_ip_packets)) {
1622                 st = rrdset_find("ipv4.packets");
1623                 if (unlikely(!st)) {
1624                     st = rrdset_create("ipv4", "packets", NULL, "packets", NULL, "IPv4 Packets", "packets/s",
1625                                        3000, update_every, RRDSET_TYPE_LINE);
1626
1627                     rrddim_add(st, "InReceives", "received", 1, 1, RRDDIM_INCREMENTAL);
1628                     rrddim_add(st, "OutRequests", "sent", -1, 1, RRDDIM_INCREMENTAL);
1629                     rrddim_add(st, "ForwDatagrams", "forwarded", 1, 1, RRDDIM_INCREMENTAL);
1630                     rrddim_add(st, "InDelivers", "delivered", 1, 1, RRDDIM_INCREMENTAL);
1631                 } else
1632                     rrdset_next(st);
1633
1634                 rrddim_set(st, "OutRequests", ipstat.ips_localout);
1635                 rrddim_set(st, "InReceives", ipstat.ips_total);
1636                 rrddim_set(st, "ForwDatagrams", ipstat.ips_forward);
1637                 rrddim_set(st, "InDelivers", ipstat.ips_delivered);
1638                 rrdset_done(st);
1639             }
1640
1641             // --------------------------------------------------------------------
1642
1643             if (likely(do_ip_fragsout)) {
1644                 st = rrdset_find("ipv4.fragsout");
1645                 if (unlikely(!st)) {
1646                     st = rrdset_create("ipv4", "fragsout", NULL, "fragments", NULL, "IPv4 Fragments Sent",
1647                                        "packets/s", 3010, update_every, RRDSET_TYPE_LINE);
1648                     st->isdetail = 1;
1649
1650                     rrddim_add(st, "FragOKs", "ok", 1, 1, RRDDIM_INCREMENTAL);
1651                     rrddim_add(st, "FragFails", "failed", -1, 1, RRDDIM_INCREMENTAL);
1652                     rrddim_add(st, "FragCreates", "created", 1, 1, RRDDIM_INCREMENTAL);
1653                 } else
1654                     rrdset_next(st);
1655
1656                 rrddim_set(st, "FragOKs", ipstat.ips_fragmented);
1657                 rrddim_set(st, "FragFails", ipstat.ips_cantfrag);
1658                 rrddim_set(st, "FragCreates", ipstat.ips_ofragments);
1659                 rrdset_done(st);
1660             }
1661
1662             // --------------------------------------------------------------------
1663
1664             if (likely(do_ip_fragsin)) {
1665                 st = rrdset_find("ipv4.fragsin");
1666                 if (unlikely(!st)) {
1667                     st = rrdset_create("ipv4", "fragsin", NULL, "fragments", NULL,
1668                                        "IPv4 Fragments Reassembly",
1669                                        "packets/s", 3011, update_every, RRDSET_TYPE_LINE);
1670                     st->isdetail = 1;
1671
1672                     rrddim_add(st, "ReasmOKs", "ok", 1, 1, RRDDIM_INCREMENTAL);
1673                     rrddim_add(st, "ReasmFails", "failed", -1, 1, RRDDIM_INCREMENTAL);
1674                     rrddim_add(st, "ReasmReqds", "all", 1, 1, RRDDIM_INCREMENTAL);
1675                 } else
1676                     rrdset_next(st);
1677
1678                 rrddim_set(st, "ReasmOKs", ipstat.ips_fragments);
1679                 rrddim_set(st, "ReasmFails", ipstat.ips_fragdropped);
1680                 rrddim_set(st, "ReasmReqds", ipstat.ips_reassembled);
1681                 rrdset_done(st);
1682             }
1683
1684             // --------------------------------------------------------------------
1685
1686             if (likely(do_ip_errors)) {
1687                 st = rrdset_find("ipv4.errors");
1688                 if (unlikely(!st)) {
1689                     st = rrdset_create("ipv4", "errors", NULL, "errors", NULL, "IPv4 Errors", "packets/s",
1690                                        3002,
1691                                        update_every, RRDSET_TYPE_LINE);
1692                     st->isdetail = 1;
1693
1694                     rrddim_add(st, "InDiscards", NULL, 1, 1, RRDDIM_INCREMENTAL);
1695                     rrddim_add(st, "OutDiscards", NULL, -1, 1, RRDDIM_INCREMENTAL);
1696
1697                     rrddim_add(st, "InHdrErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1698                     rrddim_add(st, "OutNoRoutes", NULL, -1, 1, RRDDIM_INCREMENTAL);
1699
1700                     rrddim_add(st, "InAddrErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1701                     rrddim_add(st, "InUnknownProtos", NULL, 1, 1, RRDDIM_INCREMENTAL);
1702                 } else
1703                     rrdset_next(st);
1704
1705                 rrddim_set(st, "InDiscards", ipstat.ips_badsum + ipstat.ips_tooshort + ipstat.ips_toosmall + ipstat.ips_toolong);
1706                 rrddim_set(st, "OutDiscards", ipstat.ips_odropped);
1707                 rrddim_set(st, "InHdrErrors", ipstat.ips_badhlen + ipstat.ips_badlen + ipstat.ips_badoptions + ipstat.ips_badvers);
1708                 rrddim_set(st, "InAddrErrors", ipstat.ips_badaddr);
1709                 rrddim_set(st, "InUnknownProtos", ipstat.ips_noproto);
1710                 rrddim_set(st, "OutNoRoutes", ipstat.ips_noroute);
1711                 rrdset_done(st);
1712             }
1713         }
1714     }
1715
1716     // --------------------------------------------------------------------
1717
1718     if (likely(do_ip6_packets || do_ip6_fragsout || do_ip6_fragsin || do_ip6_errors)) {
1719         if (unlikely(GETSYSCTL("net.inet6.ip6.stats", ip6stat))) {
1720             do_ip6_packets = 0;
1721             error("DISABLED: ipv6.packets");
1722             do_ip6_fragsout = 0;
1723             error("DISABLED: ipv6.fragsout");
1724             do_ip6_fragsin = 0;
1725             error("DISABLED: ipv6.fragsin");
1726             do_ip6_errors = 0;
1727             error("DISABLED: ipv6.errors");
1728         } else {
1729             if (do_ip6_packets == CONFIG_ONDEMAND_YES || (do_ip6_packets == CONFIG_ONDEMAND_ONDEMAND &&
1730                                                           (ip6stat.ip6s_localout || ip6stat.ip6s_total ||
1731                                                            ip6stat.ip6s_forward || ip6stat.ip6s_delivered))) {
1732                 do_ip6_packets = CONFIG_ONDEMAND_YES;
1733                 st = rrdset_find("ipv6.packets");
1734                 if (unlikely(!st)) {
1735                     st = rrdset_create("ipv6", "packets", NULL, "packets", NULL, "IPv6 Packets", "packets/s", 3000,
1736                                        update_every, RRDSET_TYPE_LINE);
1737
1738                     rrddim_add(st, "received", NULL, 1, 1, RRDDIM_INCREMENTAL);
1739                     rrddim_add(st, "sent", NULL, -1, 1, RRDDIM_INCREMENTAL);
1740                     rrddim_add(st, "forwarded", NULL, 1, 1, RRDDIM_INCREMENTAL);
1741                     rrddim_add(st, "delivers", NULL, -1, 1, RRDDIM_INCREMENTAL);
1742                 } else
1743                     rrdset_next(st);
1744
1745                 rrddim_set(st, "sent", ip6stat.ip6s_localout);
1746                 rrddim_set(st, "received", ip6stat.ip6s_total);
1747                 rrddim_set(st, "forwarded", ip6stat.ip6s_forward);
1748                 rrddim_set(st, "delivers", ip6stat.ip6s_delivered);
1749                 rrdset_done(st);
1750             }
1751
1752             // --------------------------------------------------------------------
1753
1754             if (do_ip6_fragsout == CONFIG_ONDEMAND_YES || (do_ip6_fragsout == CONFIG_ONDEMAND_ONDEMAND &&
1755                                                            (ip6stat.ip6s_fragmented || ip6stat.ip6s_cantfrag ||
1756                                                             ip6stat.ip6s_ofragments))) {
1757                 do_ip6_fragsout = CONFIG_ONDEMAND_YES;
1758                 st = rrdset_find("ipv6.fragsout");
1759                 if (unlikely(!st)) {
1760                     st = rrdset_create("ipv6", "fragsout", NULL, "fragments", NULL, "IPv6 Fragments Sent",
1761                                        "packets/s", 3010, update_every, RRDSET_TYPE_LINE);
1762                     st->isdetail = 1;
1763
1764                     rrddim_add(st, "ok", NULL, 1, 1, RRDDIM_INCREMENTAL);
1765                     rrddim_add(st, "failed", NULL, -1, 1, RRDDIM_INCREMENTAL);
1766                     rrddim_add(st, "all", NULL, 1, 1, RRDDIM_INCREMENTAL);
1767                 } else
1768                     rrdset_next(st);
1769
1770                 rrddim_set(st, "ok", ip6stat.ip6s_fragmented);
1771                 rrddim_set(st, "failed", ip6stat.ip6s_cantfrag);
1772                 rrddim_set(st, "all", ip6stat.ip6s_ofragments);
1773                 rrdset_done(st);
1774             }
1775
1776             // --------------------------------------------------------------------
1777
1778             if (do_ip6_fragsin == CONFIG_ONDEMAND_YES || (do_ip6_fragsin == CONFIG_ONDEMAND_ONDEMAND &&
1779                                                           (ip6stat.ip6s_reassembled || ip6stat.ip6s_fragdropped ||
1780                                                            ip6stat.ip6s_fragtimeout || ip6stat.ip6s_fragments))) {
1781                 do_ip6_fragsin = CONFIG_ONDEMAND_YES;
1782                 st = rrdset_find("ipv6.fragsin");
1783                 if (unlikely(!st)) {
1784                     st = rrdset_create("ipv6", "fragsin", NULL, "fragments", NULL, "IPv6 Fragments Reassembly",
1785                                        "packets/s", 3011, update_every, RRDSET_TYPE_LINE);
1786                     st->isdetail = 1;
1787
1788                     rrddim_add(st, "ok", NULL, 1, 1, RRDDIM_INCREMENTAL);
1789                     rrddim_add(st, "failed", NULL, -1, 1, RRDDIM_INCREMENTAL);
1790                     rrddim_add(st, "timeout", NULL, -1, 1, RRDDIM_INCREMENTAL);
1791                     rrddim_add(st, "all", NULL, 1, 1, RRDDIM_INCREMENTAL);
1792                 } else
1793                     rrdset_next(st);
1794
1795                 rrddim_set(st, "ok", ip6stat.ip6s_reassembled);
1796                 rrddim_set(st, "failed", ip6stat.ip6s_fragdropped);
1797                 rrddim_set(st, "timeout", ip6stat.ip6s_fragtimeout);
1798                 rrddim_set(st, "all", ip6stat.ip6s_fragments);
1799                 rrdset_done(st);
1800             }
1801
1802             // --------------------------------------------------------------------
1803
1804             if (do_ip6_errors == CONFIG_ONDEMAND_YES || (do_ip6_errors == CONFIG_ONDEMAND_ONDEMAND && (
1805                     ip6stat.ip6s_toosmall ||
1806                     ip6stat.ip6s_odropped ||
1807                     ip6stat.ip6s_badoptions ||
1808                     ip6stat.ip6s_badvers ||
1809                     ip6stat.ip6s_exthdrtoolong ||
1810                     ip6stat.ip6s_sources_none ||
1811                     ip6stat.ip6s_tooshort ||
1812                     ip6stat.ip6s_cantforward ||
1813                     ip6stat.ip6s_noroute))) {
1814                 do_ip6_errors = CONFIG_ONDEMAND_YES;
1815                 st = rrdset_find("ipv6.errors");
1816                 if (unlikely(!st)) {
1817                     st = rrdset_create("ipv6", "errors", NULL, "errors", NULL, "IPv6 Errors", "packets/s", 3002,
1818                                        update_every, RRDSET_TYPE_LINE);
1819                     st->isdetail = 1;
1820
1821                     rrddim_add(st, "InDiscards", NULL, 1, 1, RRDDIM_INCREMENTAL);
1822                     rrddim_add(st, "OutDiscards", NULL, -1, 1, RRDDIM_INCREMENTAL);
1823
1824                     rrddim_add(st, "InHdrErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1825                     rrddim_add(st, "InAddrErrors", NULL, 1, 1, RRDDIM_INCREMENTAL);
1826                     rrddim_add(st, "InTruncatedPkts", NULL, 1, 1, RRDDIM_INCREMENTAL);
1827                     rrddim_add(st, "InNoRoutes", NULL, 1, 1, RRDDIM_INCREMENTAL);
1828
1829                     rrddim_add(st, "OutNoRoutes", NULL, -1, 1, RRDDIM_INCREMENTAL);
1830                 } else
1831                     rrdset_next(st);
1832
1833                 rrddim_set(st, "InDiscards", ip6stat.ip6s_toosmall);
1834                 rrddim_set(st, "OutDiscards", ip6stat.ip6s_odropped);
1835
1836                 rrddim_set(st, "InHdrErrors",
1837                            ip6stat.ip6s_badoptions + ip6stat.ip6s_badvers + ip6stat.ip6s_exthdrtoolong);
1838                 rrddim_set(st, "InAddrErrors", ip6stat.ip6s_sources_none);
1839                 rrddim_set(st, "InTruncatedPkts", ip6stat.ip6s_tooshort);
1840                 rrddim_set(st, "InNoRoutes", ip6stat.ip6s_cantforward);
1841
1842                 rrddim_set(st, "OutNoRoutes", ip6stat.ip6s_noroute);
1843                 rrdset_done(st);
1844             }
1845         }
1846     }
1847
1848     return 0;
1849 }