/* sys/socket.h is necessary to compile when using netlink on older systems. */
# include <sys/socket.h>
# include <linux/netlink.h>
+#if HAVE_LINUX_INET_DIAG_H
# include <linux/inet_diag.h>
+#endif
# include <sys/socket.h>
# include <arpa/inet.h>
/* #endif KERNEL_LINUX */
#endif /* KERNEL_AIX */
#if KERNEL_LINUX
+#if HAVE_STRUCT_LINUX_INET_DIAG_REQ
struct nlreq {
struct nlmsghdr nlh;
struct inet_diag_req r;
};
+#endif
static const char *tcp_state[] =
{
{
"ListeningPorts",
"LocalPort",
- "RemotePort"
+ "RemotePort",
+ "AllPortsSummary"
};
static int config_keys_num = STATIC_ARRAY_SIZE (config_keys);
static int port_collect_listening = 0;
+static int port_collect_total = 0;
static port_entry_t *port_list_head = NULL;
+static uint32_t count_total[TCP_STATE_MAX + 1];
#if KERNEL_LINUX
+#if HAVE_STRUCT_LINUX_INET_DIAG_REQ
+/* This depends on linux inet_diag_req because if this structure is missing,
+ * sequence_number is useless and we get a compilation warning.
+ */
static uint32_t sequence_number = 0;
+#endif
enum
{
} linux_source = SRC_DUNNO;
#endif
+static void conn_prepare_vl (value_list_t *vl, value_t *values)
+{
+ vl->values = values;
+ vl->values_len = 1;
+ sstrncpy (vl->host, hostname_g, sizeof (vl->host));
+ sstrncpy (vl->plugin, "tcpconns", sizeof (vl->plugin));
+ sstrncpy (vl->type, "tcp_connections", sizeof (vl->type));
+}
+
static void conn_submit_port_entry (port_entry_t *pe)
{
value_t values[1];
value_list_t vl = VALUE_LIST_INIT;
int i;
- vl.values = values;
- vl.values_len = 1;
- sstrncpy (vl.host, hostname_g, sizeof (vl.host));
- sstrncpy (vl.plugin, "tcpconns", sizeof (vl.plugin));
- sstrncpy (vl.type, "tcp_connections", sizeof (vl.type));
+ conn_prepare_vl (&vl, values);
if (((port_collect_listening != 0) && (pe->flags & PORT_IS_LISTENING))
|| (pe->flags & PORT_COLLECT_LOCAL))
}
} /* void conn_submit */
+static void conn_submit_port_total (void)
+{
+ value_t values[1];
+ value_list_t vl = VALUE_LIST_INIT;
+ int i;
+
+ conn_prepare_vl (&vl, values);
+
+ sstrncpy (vl.plugin_instance, "all", sizeof (vl.plugin_instance));
+
+ for (i = 1; i <= TCP_STATE_MAX; i++)
+ {
+ vl.values[0].gauge = count_total[i];
+
+ sstrncpy (vl.type_instance, tcp_state[i], sizeof (vl.type_instance));
+
+ plugin_dispatch_values (&vl);
+ }
+}
+
static void conn_submit_all (void)
{
port_entry_t *pe;
+ if (port_collect_total)
+ conn_submit_port_total ();
+
for (pe = port_list_head; pe != NULL; pe = pe->next)
conn_submit_port_entry (pe);
} /* void conn_submit_all */
port_entry_t *prev = NULL;
port_entry_t *pe = port_list_head;
+ memset (&count_total, '\0', sizeof(count_total));
+
while (pe != NULL)
{
/* If this entry was created while reading the files (ant not when handling
* the configuration) remove it now. */
if ((pe->flags & (PORT_COLLECT_LOCAL
- | PORT_COLLECT_REMOTE
- | PORT_IS_LISTENING)) == 0)
+ | PORT_COLLECT_REMOTE
+ | PORT_IS_LISTENING)) == 0)
{
port_entry_t *next = pe->next;
DEBUG ("tcpconns plugin: Removing temporary entry "
- "for listening port %"PRIu16, pe->port);
+ "for listening port %"PRIu16, pe->port);
if (prev == NULL)
- port_list_head = next;
+ port_list_head = next;
else
- prev->next = next;
+ prev->next = next;
sfree (pe);
pe = next;
memset (pe->count_remote, '\0', sizeof (pe->count_remote));
pe->flags &= ~PORT_IS_LISTENING;
+ prev = pe;
pe = pe->next;
}
} /* void conn_reset_port_entry */
return (-1);
}
+ count_total[state]++;
+
/* Listening sockets */
if ((state == TCP_STATE_LISTEN) && (port_collect_listening != 0))
{
* zero on other errors. */
static int conn_read_netlink (void)
{
+#if HAVE_STRUCT_LINUX_INET_DIAG_REQ
int fd;
struct sockaddr_nl nladdr;
struct nlreq req;
/* Not reached because the while() loop above handles the exit condition. */
return (0);
+#else
+ return (1);
+#endif /* HAVE_STRUCT_LINUX_INET_DIAG_REQ */
} /* int conn_read_netlink */
static int conn_handle_line (char *buffer)
else
pe->flags |= PORT_COLLECT_REMOTE;
}
+ else if (strcasecmp (key, "AllPortsSummary") == 0)
+ {
+ if (IS_TRUE (value))
+ port_collect_total = 1;
+ else
+ port_collect_total = 0;
+ }
else
{
return (-1);
#if KERNEL_LINUX
static int conn_init (void)
{
- if (port_list_head == NULL)
+ if (port_collect_total == 0 && port_list_head == NULL)
port_collect_listening = 1;
return (0);
static int conn_read (void)
{
struct inpcbtable table;
+#if !defined(__OpenBSD__) && (defined(__NetBSD_Version__) && __NetBSD_Version__ <= 699002700)
struct inpcb *head;
+#endif
struct inpcb *next;
struct inpcb inpcb;
struct tcpcb tcpcb;
if (status != 0)
return (-1);
+#if defined(__OpenBSD__) || (defined(__NetBSD_Version__) && __NetBSD_Version__ > 699002700)
+ /* inpt_queue is a TAILQ on OpenBSD */
+ /* Get the first pcb */
+ next = (struct inpcb *)TAILQ_FIRST (&table.inpt_queue);
+ while (next)
+#else
/* Get the `head' pcb */
head = (struct inpcb *) &(inpcbtable_ptr->inpt_queue);
/* Get the first pcb */
next = (struct inpcb *)CIRCLEQ_FIRST (&table.inpt_queue);
while (next != head)
+#endif
{
/* Read the pcb pointed to by `next' into `inpcb' */
kread ((u_long) next, &inpcb, sizeof (inpcb));
/* Advance `next' */
+#if defined(__OpenBSD__) || (defined(__NetBSD_Version__) && __NetBSD_Version__ > 699002700)
+ /* inpt_queue is a TAILQ on OpenBSD */
+ next = (struct inpcb *)TAILQ_NEXT (&inpcb, inp_queue);
+#else
next = (struct inpcb *)CIRCLEQ_NEXT (&inpcb, inp_queue);
+#endif
/* Ignore sockets, that are not connected. */
#ifdef __NetBSD__
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