#include <asm/types.h>
#include <sys/socket.h>
-#include <iproute/libnetlink.h>
+
#include <linux/netlink.h>
#include <linux/rtnetlink.h>
-#include <linux/gen_stats.h>
-
-#include <iproute/ll_map.h>
+#if HAVE_LINUX_GEN_STATS_H
+# include <linux/gen_stats.h>
+#endif
+#if HAVE_LINUX_PKT_SCHED_H
+# include <linux/pkt_sched.h>
+#endif
+
+#if HAVE_LIBNETLINK_H
+# include <libnetlink.h>
+#elif HAVE_IPROUTE_LIBNETLINK_H
+# include <iproute/libnetlink.h>
+#elif HAVE_LINUX_LIBNETLINK_H
+# include <linux/libnetlink.h>
+#endif
typedef struct ir_ignorelist_s
{
static struct rtnl_handle rth;
+static char **iflist = NULL;
+static size_t iflist_len = 0;
+
static const char *config_keys[] =
{
"Interface",
{
ir_ignorelist_t *i;
+ assert ((dev != NULL) && (type != NULL));
+
if (ir_ignorelist_head == NULL)
return (ir_ignorelist_invert ? 0 : 1);
for (i = ir_ignorelist_head; i != NULL; i = i->next)
{
- if ((strcasecmp (i->device, dev) != 0)
- || (strcasecmp (i->type, type) != 0))
+ /* i->device == NULL => match all devices */
+ if ((i->device != NULL)
+ && (strcasecmp (i->device, dev) != 0))
+ continue;
+
+ if (strcasecmp (i->type, type) != 0)
continue;
- if ((i->inst != NULL)
- && ((type_instance == NULL)
- || (strcasecmp (i->inst, type_instance) != 0)))
+ if ((i->inst != NULL) && (type_instance != NULL)
+ && (strcasecmp (i->inst, type_instance) != 0))
continue;
+ DEBUG ("netlink plugin: check_ignorelist: "
+ "(dev = %s; type = %s; inst = %s) matched "
+ "(dev = %s; type = %s; inst = %s)",
+ dev, type,
+ type_instance == NULL ? "(nil)" : type_instance,
+ i->device == NULL ? "(nil)" : i->device,
+ i->type,
+ i->inst == NULL ? "(nil)" : i->inst);
+
return (ir_ignorelist_invert ? 0 : 1);
} /* for i */
vl.values = values;
vl.values_len = 1;
- vl.time = time (NULL);
- strcpy (vl.host, hostname_g);
- strcpy (vl.plugin, "netlink");
- strncpy (vl.plugin_instance, dev, sizeof (vl.plugin_instance));
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "netlink", sizeof (vl.plugin));
+ sstrncpy (vl.plugin_instance, dev, sizeof (vl.plugin_instance));
+ sstrncpy (vl.type, type, sizeof (vl.type));
if (type_instance != NULL)
- strncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
+ sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
- plugin_dispatch_values (type, &vl);
+ plugin_dispatch_values (&vl);
} /* void submit_one */
static void submit_two (const char *dev, const char *type,
vl.values = values;
vl.values_len = 2;
- vl.time = time (NULL);
- strcpy (vl.host, hostname_g);
- strcpy (vl.plugin, "netlink");
- strncpy (vl.plugin_instance, dev, sizeof (vl.plugin_instance));
+ sstrncpy (vl.host, hostname_g, sizeof (vl.host));
+ sstrncpy (vl.plugin, "netlink", sizeof (vl.plugin));
+ sstrncpy (vl.plugin_instance, dev, sizeof (vl.plugin_instance));
+ sstrncpy (vl.type, type, sizeof (vl.type));
if (type_instance != NULL)
- strncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
+ sstrncpy (vl.type_instance, type_instance, sizeof (vl.type_instance));
- plugin_dispatch_values (type, &vl);
+ plugin_dispatch_values (&vl);
} /* void submit_two */
-static int link_filter (const struct sockaddr_nl *sa, struct nlmsghdr *nmh,
- void *args)
+static int link_filter (const struct sockaddr_nl __attribute__((unused)) *sa,
+ struct nlmsghdr *nmh, void __attribute__((unused)) *args)
{
struct ifinfomsg *msg;
int msg_len;
if (nmh->nlmsg_type != RTM_NEWLINK)
{
- ERROR ("netlink plugin: link_filter: Don't know how to handle type %i.\n",
+ ERROR ("netlink plugin: link_filter: Don't know how to handle type %i.",
nmh->nlmsg_type);
return (-1);
}
msg_len = nmh->nlmsg_len - sizeof (struct ifinfomsg);
if (msg_len < 0)
{
- ERROR ("netlink plugin: link_filter: msg_len = %i < 0;\n", msg_len);
+ ERROR ("netlink plugin: link_filter: msg_len = %i < 0;", msg_len);
return (-1);
}
memset (attrs, '\0', sizeof (attrs));
if (parse_rtattr (attrs, IFLA_MAX, IFLA_RTA (msg), msg_len) != 0)
{
- ERROR ("netlink plugin: link_filter: parse_rtattr failed.\n");
+ ERROR ("netlink plugin: link_filter: parse_rtattr failed.");
return (-1);
}
- if (attrs[IFLA_STATS] == NULL)
- return (-1);
- stats = RTA_DATA (attrs[IFLA_STATS]);
-
if (attrs[IFLA_IFNAME] == NULL)
{
- ERROR ("netlink plugin: link_filter: attrs[IFLA_IFNAME] == NULL\n");
+ ERROR ("netlink plugin: link_filter: attrs[IFLA_IFNAME] == NULL");
return (-1);
}
dev = RTA_DATA (attrs[IFLA_IFNAME]);
+ /* Update the `iflist'. It's used to know which interfaces exist and query
+ * them later for qdiscs and classes. */
+ if ((msg->ifi_index >= 0) && ((size_t) msg->ifi_index >= iflist_len))
+ {
+ char **temp;
+
+ temp = (char **) realloc (iflist, (msg->ifi_index + 1) * sizeof (char *));
+ if (temp == NULL)
+ {
+ ERROR ("netlink plugin: link_filter: realloc failed.");
+ return (-1);
+ }
+
+ memset (temp + iflist_len, '\0',
+ (msg->ifi_index + 1 - iflist_len) * sizeof (char *));
+ iflist = temp;
+ iflist_len = msg->ifi_index + 1;
+ }
+ if ((iflist[msg->ifi_index] == NULL)
+ || (strcmp (iflist[msg->ifi_index], dev) != 0))
+ {
+ sfree (iflist[msg->ifi_index]);
+ iflist[msg->ifi_index] = strdup (dev);
+ }
+
+ if (attrs[IFLA_STATS] == NULL)
+ {
+ DEBUG ("netlink plugin: link_filter: No statistics for interface %s.", dev);
+ return (0);
+ }
+ stats = RTA_DATA (attrs[IFLA_STATS]);
+
if (check_ignorelist (dev, "interface", NULL) == 0)
{
submit_two (dev, "if_octets", NULL, stats->rx_bytes, stats->tx_bytes);
return (0);
} /* int link_filter */
-static int qos_filter (const struct sockaddr_nl *sa, struct nlmsghdr *nmh,
- void *args)
+static int qos_filter (const struct sockaddr_nl __attribute__((unused)) *sa,
+ struct nlmsghdr *nmh, void *args)
{
struct tcmsg *msg;
int msg_len;
struct rtattr *attrs[TCA_MAX + 1];
+ int wanted_ifindex = *((int *) args);
+
const char *dev;
/* char *type_instance; */
tc_type = "filter";
else
{
- ERROR ("netlink plugin: qos_filter: Don't know how to handle type %i.\n",
+ ERROR ("netlink plugin: qos_filter: Don't know how to handle type %i.",
nmh->nlmsg_type);
return (-1);
}
msg_len = nmh->nlmsg_len - sizeof (struct tcmsg);
if (msg_len < 0)
{
- ERROR ("netlink plugin: qos_filter: msg_len = %i < 0;\n", msg_len);
+ ERROR ("netlink plugin: qos_filter: msg_len = %i < 0;", msg_len);
return (-1);
}
- dev = ll_index_to_name (msg->tcm_ifindex);
+ if (msg->tcm_ifindex != wanted_ifindex)
+ {
+ DEBUG ("netlink plugin: qos_filter: Got %s for interface #%i, "
+ "but expected #%i.",
+ tc_type, msg->tcm_ifindex, wanted_ifindex);
+ return (0);
+ }
+
+ if ((msg->tcm_ifindex >= 0)
+ && ((size_t) msg->tcm_ifindex >= iflist_len))
+ {
+ ERROR ("netlink plugin: qos_filter: msg->tcm_ifindex = %i "
+ ">= iflist_len = %zu",
+ msg->tcm_ifindex, iflist_len);
+ return (-1);
+ }
+
+ dev = iflist[msg->tcm_ifindex];
if (dev == NULL)
{
- ERROR ("netlink plugin: qos_filter: ll_index_to_name (%i) failed.\n",
+ ERROR ("netlink plugin: qos_filter: iflist[%i] == NULL",
msg->tcm_ifindex);
return (-1);
}
memset (attrs, '\0', sizeof (attrs));
if (parse_rtattr (attrs, TCA_MAX, TCA_RTA (msg), msg_len) != 0)
{
- ERROR ("netlink plugin: qos_filter: parse_rtattr failed.\n");
+ ERROR ("netlink plugin: qos_filter: parse_rtattr failed.");
return (-1);
}
if (attrs[TCA_KIND] == NULL)
{
- ERROR ("netlink plugin: qos_filter: attrs[TCA_KIND] == NULL\n");
+ ERROR ("netlink plugin: qos_filter: attrs[TCA_KIND] == NULL");
return (-1);
}
if (strcmp (tc_type, "filter") == 0)
numberic_id = msg->tcm_parent;
- snprintf (tc_inst, sizeof (tc_inst), "%s-%x:%x",
+ ssnprintf (tc_inst, sizeof (tc_inst), "%s-%x:%x",
(const char *) RTA_DATA (attrs[TCA_KIND]),
numberic_id >> 16,
numberic_id & 0x0000FFFF);
- tc_inst[sizeof (tc_inst) - 1] = '\0';
}
+
+ DEBUG ("netlink plugin: qos_filter: got %s for %s (%i).",
+ tc_type, dev, msg->tcm_ifindex);
if (check_ignorelist (dev, tc_type, tc_inst))
return (0);
+#if HAVE_TCA_STATS2
if (attrs[TCA_STATS2])
{
struct rtattr *attrs_stats[TCA_STATS_MAX + 1];
struct gnet_stats_basic bs;
char type_instance[DATA_MAX_NAME_LEN];
- snprintf (type_instance, sizeof (type_instance), "%s-%s",
+ ssnprintf (type_instance, sizeof (type_instance), "%s-%s",
tc_type, tc_inst);
- type_instance[sizeof (type_instance) - 1] = '\0';
memset (&bs, '\0', sizeof (bs));
memcpy (&bs, RTA_DATA (attrs_stats[TCA_STATS_BASIC]),
submit_one (dev, "ipt_packets", type_instance, bs.packets);
}
}
+#endif /* TCA_STATS2 */
+#if HAVE_TCA_STATS && HAVE_TCA_STATS2
+ else
+#endif
+#if HAVE_TCA_STATS
+ if (attrs[TCA_STATS] != NULL)
+ {
+ struct tc_stats ts;
+ char type_instance[DATA_MAX_NAME_LEN];
+
+ ssnprintf (type_instance, sizeof (type_instance), "%s-%s",
+ tc_type, tc_inst);
+
+ memset(&ts, '\0', sizeof (ts));
+ memcpy(&ts, RTA_DATA (attrs[TCA_STATS]),
+ MIN (RTA_PAYLOAD (attrs[TCA_STATS]), sizeof (ts)));
+
+ submit_one (dev, "ipt_bytes", type_instance, ts.bytes);
+ submit_one (dev, "ipt_packets", type_instance, ts.packets);
+ }
+#endif /* TCA_STATS */
+#if HAVE_TCA_STATS || HAVE_TCA_STATS2
+ else
+#endif
+ {
+ DEBUG ("netlink plugin: qos_filter: Have neither TCA_STATS2 nor "
+ "TCA_STATS.");
+ }
return (0);
} /* int qos_filter */
status = 0;
}
}
- else if (strcasecmp (key, "IgnoreSelected"))
+ else if (strcasecmp (key, "IgnoreSelected") == 0)
{
if (fields_num != 1)
{
if (rtnl_open (&rth, 0) != 0)
{
- ERROR ("netlink plugin: print_stats: rtnl_open failed.\n");
- return (-1);
- }
-
- if (ll_init_map (&rth) != 0)
- {
- ERROR ("netlink plugin: print_stats: ll_init_map failed.\n");
+ ERROR ("netlink plugin: ir_init: rtnl_open failed.");
return (-1);
}
{
struct ifinfomsg im;
struct tcmsg tm;
+ int ifindex;
+
+ static const int type_id[] = { RTM_GETQDISC, RTM_GETTCLASS, RTM_GETTFILTER };
+ static const char *type_name[] = { "qdisc", "class", "filter" };
memset (&im, '\0', sizeof (im));
im.ifi_type = AF_UNSPEC;
- memset (&tm, '\0', sizeof (tm));
- tm.tcm_family = AF_UNSPEC;
-
if (rtnl_dump_request (&rth, RTM_GETLINK, &im, sizeof (im)) < 0)
{
- ERROR ("netlink plugin: print_stats: rtnl_dump_request failed.\n");
+ ERROR ("netlink plugin: ir_read: rtnl_dump_request failed.");
return (-1);
}
if (rtnl_dump_filter (&rth, link_filter, /* arg1 = */ NULL,
NULL, NULL) != 0)
{
- ERROR ("netlink plugin: print_stats: rtnl_dump_filter failed.\n");
- return (-1);
- }
-
- /* Get QDisc stats */
- if (rtnl_dump_request (&rth, RTM_GETQDISC, &tm, sizeof (tm)) < 0)
- {
- ERROR ("netlink plugin: print_stats: rtnl_dump_request failed.\n");
+ ERROR ("netlink plugin: ir_read: rtnl_dump_filter failed.");
return (-1);
}
- if (rtnl_dump_filter (&rth, qos_filter, /* arg1 = */ NULL,
- NULL, NULL) != 0)
+ /* `link_filter' will update `iflist' which is used here to iterate over all
+ * interfaces. */
+ for (ifindex = 0; (size_t) ifindex < iflist_len; ifindex++)
{
- ERROR ("netlink plugin: print_stats: rtnl_dump_filter failed.\n");
- return (-1);
- }
+ size_t type_index;
- /* Get Class stats */
- if (rtnl_dump_request (&rth, RTM_GETTCLASS, &tm, sizeof (tm)) < 0)
- {
- ERROR ("netlink plugin: print_stats: rtnl_dump_request failed.\n");
- return (-1);
- }
-
- if (rtnl_dump_filter (&rth, qos_filter, /* arg1 = */ NULL,
- NULL, NULL) != 0)
- {
- ERROR ("netlink plugin: print_stats: rtnl_dump_filter failed.\n");
- return (-1);
- }
-
- /* Get Filter stats */
- if (rtnl_dump_request (&rth, RTM_GETTFILTER, &tm, sizeof (tm)) < 0)
- {
- ERROR ("netlink plugin: print_stats: rtnl_dump_request failed.\n");
- return (-1);
- }
-
- if (rtnl_dump_filter (&rth, qos_filter, /* arg1 = */ NULL,
- NULL, NULL) != 0)
- {
- ERROR ("netlink plugin: print_stats: rtnl_dump_filter failed.\n");
- return (-1);
- }
+ if (iflist[ifindex] == NULL)
+ continue;
+ for (type_index = 0; type_index < STATIC_ARRAY_SIZE (type_id); type_index++)
+ {
+ if (check_ignorelist (iflist[ifindex], type_name[type_index], NULL))
+ {
+ DEBUG ("netlink plugin: ir_read: check_ignorelist (%s, %s, (nil)) "
+ "== TRUE", iflist[ifindex], type_name[type_index]);
+ continue;
+ }
+
+ DEBUG ("netlink plugin: ir_read: querying %s from %s (%i).",
+ type_name[type_index], iflist[ifindex], ifindex);
+
+ memset (&tm, '\0', sizeof (tm));
+ tm.tcm_family = AF_UNSPEC;
+ tm.tcm_ifindex = ifindex;
+
+ if (rtnl_dump_request (&rth, type_id[type_index], &tm, sizeof (tm)) < 0)
+ {
+ ERROR ("netlink plugin: ir_read: rtnl_dump_request failed.");
+ continue;
+ }
+
+ if (rtnl_dump_filter (&rth, qos_filter, (void *) &ifindex,
+ NULL, NULL) != 0)
+ {
+ ERROR ("netlink plugin: ir_read: rtnl_dump_filter failed.");
+ continue;
+ }
+ } /* for (type_index) */
+ } /* for (if_index) */
return (0);
-} /* int print_stats */
+} /* int ir_read */
static int ir_shutdown (void)
{