/**
* collectd - src/traffic.c
- * Copyright (C) 2005 Florian octo Forster
+ * Copyright (C) 2005,2006 Florian octo Forster
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
*
* Authors:
* Florian octo Forster <octo at verplant.org>
+ * Sune Marcher <sm at flork.dk>
**/
#include "collectd.h"
#include "common.h"
#include "plugin.h"
+#include "configfile.h"
+
+#if HAVE_SYS_TYPES_H
+# include <sys/types.h>
+#endif
+#if HAVE_SYS_SOCKET_H
+# include <sys/socket.h>
+#endif
+
+/* One cannot include both. This sucks. */
+#if HAVE_LINUX_IF_H
+# include <linux/if.h>
+#elif HAVE_NET_IF_H
+# include <net/if.h>
+#endif
+
+#if HAVE_LINUX_NETDEVICE_H
+# include <linux/netdevice.h>
+#endif
+#if HAVE_IFADDRS_H
+# include <ifaddrs.h>
+#endif
#define MODULE_NAME "traffic"
-#if defined(KERNEL_LINUX) || defined(HAVE_LIBKSTAT) || defined(HAVE_LIBSTATGRAB)
+/*
+ * Various people have reported problems with `getifaddrs' and varying versions
+ * of `glibc'. That's why it's disabled by default. Since more statistics are
+ * available this way one may enable it using the `--enable-getifaddrs' option
+ * of the configure script. -octo
+ */
+#if KERNEL_LINUX
+# if !COLLECT_GETIFADDRS
+# undef HAVE_GETIFADDRS
+# endif /* !COLLECT_GETIFADDRS */
+#endif /* KERNEL_LINUX */
+
+#if HAVE_GETIFADDRS || KERNEL_LINUX || HAVE_LIBKSTAT || HAVE_LIBSTATGRAB
# define TRAFFIC_HAVE_READ 1
#else
# define TRAFFIC_HAVE_READ 0
#define BUFSIZE 512
-static char *traffic_filename_template = "traffic-%s.rrd";
+/*
+ * (Module-)Global variables
+ */
+/* TODO: Move this to `interface-%s/<blah>.rrd' in version 4. */
+static char *bytes_file = "traffic-%s.rrd";
+static char *packets_file = "interface-%s/if_packets.rrd";
+static char *errors_file = "interface-%s/if_errors.rrd";
+/* TODO: Maybe implement multicast and broadcast counters */
+
+static char *config_keys[] =
+{
+ "Interface",
+ "IgnoreSelected",
+ NULL
+};
+static int config_keys_num = 2;
-static char *ds_def[] =
+static char *bytes_ds_def[] =
{
- "DS:incoming:COUNTER:25:0:U",
- "DS:outgoing:COUNTER:25:0:U",
+ "DS:incoming:COUNTER:"COLLECTD_HEARTBEAT":0:U",
+ "DS:outgoing:COUNTER:"COLLECTD_HEARTBEAT":0:U",
NULL
};
-static int ds_num = 2;
+static int bytes_ds_num = 2;
+
+static char *packets_ds_def[] =
+{
+ "DS:rx:COUNTER:"COLLECTD_HEARTBEAT":0:U",
+ "DS:tx:COUNTER:"COLLECTD_HEARTBEAT":0:U",
+ NULL
+};
+static int packets_ds_num = 2;
+
+static char *errors_ds_def[] =
+{
+ "DS:rx:COUNTER:"COLLECTD_HEARTBEAT":0:U",
+ "DS:tx:COUNTER:"COLLECTD_HEARTBEAT":0:U",
+ NULL
+};
+static int errors_ds_num = 2;
+
+static char **if_list = NULL;
+static int if_list_num = 0;
+/*
+ * if_list_action:
+ * 0 => default is to collect selected interface
+ * 1 => ignore selcted interfaces
+ */
+static int if_list_action = 0;
#ifdef HAVE_LIBKSTAT
#define MAX_NUMIF 256
static int numif = 0;
#endif /* HAVE_LIBKSTAT */
+static int traffic_config (char *key, char *value)
+{
+ char **temp;
+
+ if (strcasecmp (key, "Interface") == 0)
+ {
+ temp = (char **) realloc (if_list, (if_list_num + 1) * sizeof (char *));
+ if (temp == NULL)
+ {
+ syslog (LOG_EMERG, "Cannot allocate more memory.");
+ return (1);
+ }
+ if_list = temp;
+
+ if ((if_list[if_list_num] = strdup (value)) == NULL)
+ {
+ syslog (LOG_EMERG, "Cannot allocate memory.");
+ return (1);
+ }
+ if_list_num++;
+ }
+ else if (strcasecmp (key, "IgnoreSelected") == 0)
+ {
+ if ((strcasecmp (value, "True") == 0)
+ || (strcasecmp (value, "Yes") == 0)
+ || (strcasecmp (value, "On") == 0))
+ if_list_action = 1;
+ else
+ if_list_action = 0;
+ }
+ else
+ {
+ return (-1);
+ }
+
+ return (0);
+}
+
static void traffic_init (void)
{
-#ifdef HAVE_LIBKSTAT
+#if HAVE_GETIFADDRS
+ /* nothing */
+/* #endif HAVE_GETIFADDRS */
+
+#elif KERNEL_LINUX
+ /* nothing */
+/* #endif KERNEL_LINUX */
+
+#elif HAVE_LIBKSTAT
kstat_t *ksp_chain;
- kstat_named_t *kn;
unsigned long long val;
numif = 0;
continue;
ksp[numif++] = ksp_chain;
}
-#endif /* HAVE_LIBKSTAT */
+/* #endif HAVE_LIBKSTAT */
+
+#elif HAVE_LIBSTATG
+ /* nothing */
+#endif /* HAVE_LIBSTATG */
+
+ return;
+}
+
+/*
+ * Check if this interface/instance should be ignored. This is called from
+ * both, `submit' and `write' to give client and server the ability to
+ * ignore certain stuff..
+ */
+static int check_ignore_if (const char *interface)
+{
+ int i;
+
+ /* If no interfaces are given collect all interfaces. Mostly to be
+ * backwards compatible, but also because this is much easier. */
+ if (if_list_num < 1)
+ return (0);
+
+ for (i = 0; i < if_list_num; i++)
+ if (strcasecmp (interface, if_list[i]) == 0)
+ return (if_list_action);
+ return (1 - if_list_action);
}
-static void traffic_write (char *host, char *inst, char *val)
+static void generic_write (char *host, char *inst, char *val,
+ char *file_template,
+ char **ds_def, int ds_num)
{
- char file[BUFSIZE];
+ char file[512];
int status;
- status = snprintf (file, BUFSIZE, traffic_filename_template, inst);
+ if (check_ignore_if (inst))
+ return;
+
+ status = snprintf (file, BUFSIZE, file_template, inst);
if (status < 1)
return;
- else if (status >= BUFSIZE)
+ else if (status >= 512)
return;
rrd_update_file (host, file, val, ds_def, ds_num);
}
+static void bytes_write (char *host, char *inst, char *val)
+{
+ generic_write (host, inst, val, bytes_file, bytes_ds_def, bytes_ds_num);
+}
+
+static void packets_write (char *host, char *inst, char *val)
+{
+ generic_write (host, inst, val, packets_file, packets_ds_def, packets_ds_num);
+}
+
+static void errors_write (char *host, char *inst, char *val)
+{
+ generic_write (host, inst, val, errors_file, errors_ds_def, errors_ds_num);
+}
+
#if TRAFFIC_HAVE_READ
-static void traffic_submit (char *device,
- unsigned long long incoming,
- unsigned long long outgoing)
+static void bytes_submit (char *dev,
+ unsigned long long rx,
+ unsigned long long tx)
{
- char buf[BUFSIZE];
+ char buf[512];
+ int status;
- if (snprintf (buf, BUFSIZE, "%u:%lld:%lld", (unsigned int) curtime, incoming, outgoing) >= BUFSIZE)
+ if (check_ignore_if (dev))
return;
- plugin_submit (MODULE_NAME, device, buf);
+ status = snprintf (buf, 512, "%u:%lld:%lld",
+ (unsigned int) curtime,
+ rx, tx);
+ if ((status >= 512) || (status < 1))
+ return;
+
+ plugin_submit (MODULE_NAME, dev, buf);
}
+#if HAVE_GETIFADDRS || KERNEL_LINUX || HAVE_LIBKSTAT
+static void packets_submit (char *dev,
+ unsigned long long rx,
+ unsigned long long tx)
+{
+ char buf[512];
+ int status;
+
+ if (check_ignore_if (dev))
+ return;
+
+ status = snprintf (buf, 512, "%u:%lld:%lld",
+ (unsigned int) curtime,
+ rx, tx);
+ if ((status >= 512) || (status < 1))
+ return;
+ plugin_submit ("if_packets", dev, buf);
+}
+
+static void errors_submit (char *dev,
+ unsigned long long rx,
+ unsigned long long tx)
+{
+ char buf[512];
+ int status;
+
+ if (check_ignore_if (dev))
+ return;
+
+ status = snprintf (buf, 512, "%u:%lld:%lld",
+ (unsigned int) curtime,
+ rx, tx);
+ if ((status >= 512) || (status < 1))
+ return;
+ plugin_submit ("if_errors", dev, buf);
+}
+#endif /* HAVE_GETIFADDRS || KERNEL_LINUX || HAVE_LIBKSTAT */
+
static void traffic_read (void)
{
-#ifdef KERNEL_LINUX
+#if HAVE_GETIFADDRS
+ struct ifaddrs *if_list;
+ struct ifaddrs *if_ptr;
+
+/* Darin/Mac OS X and possible other *BSDs */
+#if HAVE_STRUCT_IF_DATA
+# define IFA_DATA if_data
+# define IFA_RX_BYTES ifi_ibytes
+# define IFA_TX_BYTES ifi_obytes
+# define IFA_RX_PACKT ifi_ipackets
+# define IFA_TX_PACKT ifi_opackets
+# define IFA_RX_ERROR ifi_ierrors
+# define IFA_TX_ERROR ifi_oerrors
+/* #endif HAVE_STRUCT_IF_DATA */
+
+#elif HAVE_STRUCT_NET_DEVICE_STATS
+# define IFA_DATA net_device_stats
+# define IFA_RX_BYTES rx_bytes
+# define IFA_TX_BYTES tx_bytes
+# define IFA_RX_PACKT rx_packets
+# define IFA_TX_PACKT tx_packets
+# define IFA_RX_ERROR rx_errors
+# define IFA_TX_ERROR tx_errors
+#else
+# error "No suitable type for `struct ifaddrs->ifa_data' found."
+#endif
+
+ struct IFA_DATA *if_data;
+
+ if (getifaddrs (&if_list) != 0)
+ return;
+
+ for (if_ptr = if_list; if_ptr != NULL; if_ptr = if_ptr->ifa_next)
+ {
+ if ((if_data = (struct IFA_DATA *) if_ptr->ifa_data) == NULL)
+ continue;
+
+ bytes_submit (if_ptr->ifa_name,
+ if_data->IFA_RX_BYTES,
+ if_data->IFA_TX_BYTES);
+ packets_submit (if_ptr->ifa_name,
+ if_data->IFA_RX_PACKT,
+ if_data->IFA_TX_PACKT);
+ errors_submit (if_ptr->ifa_name,
+ if_data->IFA_RX_ERROR,
+ if_data->IFA_TX_ERROR);
+ }
+
+ freeifaddrs (if_list);
+/* #endif HAVE_GETIFADDRS */
+
+#elif KERNEL_LINUX
FILE *fh;
char buffer[1024];
unsigned long long incoming, outgoing;
while (fgets (buffer, 1024, fh) != NULL)
{
- if (buffer[6] != ':')
+ if (!(dummy = strchr(buffer, ':')))
continue;
- buffer[6] = '\0';
+ dummy[0] = '\0';
+ dummy++;
device = buffer;
while (device[0] == ' ')
if (device[0] == '\0')
continue;
- dummy = buffer + 7;
numfields = strsplit (dummy, fields, 16);
- if (numfields < 9)
+ if (numfields < 11)
continue;
incoming = atoll (fields[0]);
outgoing = atoll (fields[8]);
+ bytes_submit (device, incoming, outgoing);
- traffic_submit (device, incoming, outgoing);
+ incoming = atoll (fields[1]);
+ outgoing = atoll (fields[9]);
+ packets_submit (device, incoming, outgoing);
+
+ incoming = atoll (fields[2]);
+ outgoing = atoll (fields[10]);
+ errors_submit (device, incoming, outgoing);
}
fclose (fh);
/* #endif KERNEL_LINUX */
-#elif defined(HAVE_LIBKSTAT)
+#elif HAVE_LIBKSTAT
int i;
- unsigned long long incoming, outgoing;
+ unsigned long long rx;
+ unsigned long long tx;
if (kc == NULL)
return;
if (kstat_read (kc, ksp[i], NULL) == -1)
continue;
- if ((incoming = get_kstat_value (ksp[i], "rbytes")) == -1LL)
- continue;
- if ((outgoing = get_kstat_value (ksp[i], "obytes")) == -1LL)
- continue;
+ rx = get_kstat_value (ksp[i], "rbytes");
+ tx = get_kstat_value (ksp[i], "obytes");
+ if ((rx != -1LL) || (tx != -1LL))
+ bytes_submit (ksp[i]->ks_name, rx, tx);
+
+ rx = get_kstat_value (ksp[i], "ipackets");
+ tx = get_kstat_value (ksp[i], "opackets");
+ if ((rx != -1LL) || (tx != -1LL))
+ packets_submit (ksp[i]->ks_name, rx, tx);
- traffic_submit (ksp[i]->ks_name, incoming, outgoing);
+ rx = get_kstat_value (ksp[i], "ierrors");
+ tx = get_kstat_value (ksp[i], "oerrors");
+ if ((rx != -1LL) || (tx != -1LL))
+ errors_submit (ksp[i]->ks_name, rx, tx);
}
/* #endif HAVE_LIBKSTAT */
ios = sg_get_network_io_stats (&num);
for (i = 0; i < num; i++)
- traffic_submit (ios[i].interface_name, ios[i].rx, ios[i].tx);
+ bytes_submit (ios[i].interface_name, ios[i].rx, ios[i].tx);
#endif /* HAVE_LIBSTATGRAB */
}
#else
void module_register (void)
{
- plugin_register (MODULE_NAME, traffic_init, traffic_read, traffic_write);
+ plugin_register (MODULE_NAME, traffic_init, traffic_read, bytes_write);
+ plugin_register ("if_packets", NULL, NULL, packets_write);
+ plugin_register ("if_errors", NULL, NULL, errors_write);
+ cf_register (MODULE_NAME, traffic_config, config_keys, config_keys_num);
}
#undef BUFSIZE
projects / collectd.git / blobdiff