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<?xml version="1.0"?> |
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<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN" |
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"http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> |
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<refentry id="get_network_iface_stats"> |
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<refentryinfo> |
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<date>$Date: 2004/03/09 13:50:24 $</date> |
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<releaseinfo>$Id: get_network_iface_stats.xml,v 1.2 2004/03/09 13:50:24 tdb Exp $</releaseinfo> |
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</refentryinfo> |
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<refmeta> |
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<refentrytitle>get_network_iface_stats</refentrytitle> |
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<manvolnum>3</manvolnum> |
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<refmiscinfo>i-scream</refmiscinfo> |
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</refmeta> |
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<refnamediv> |
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<refname>get_network_iface_stats</refname> |
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<refpurpose>get network interface statistics</refpurpose> |
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</refnamediv> |
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<refsynopsisdiv> |
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<funcsynopsis> |
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<funcsynopsisinfo>#include <statgrab.h></funcsynopsisinfo> |
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<funcprototype> |
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<funcdef>network_iface_stat_t *<function>get_network_iface_stats</function></funcdef> |
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<paramdef>int *<parameter>entries</parameter></paramdef> |
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</funcprototype> |
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</funcsynopsis> |
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</refsynopsisdiv> |
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<refsect1> |
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<title>Description</title> |
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<para> |
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The <function>get_network_iface_stats</function> function |
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takes a pointer to an int, <parameter>entries</parameter>, |
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which is filled with the number of network interfaces the |
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machine has. This is needed to know how many |
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<structname>network_iface_stat_t</structname> structures have |
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been returned. A pointer is returned to the first |
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<structname>network_iface_stat_t</structname>. |
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</para> |
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<para> |
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<function>get_network_iface_stats</function> returns statistics |
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about the network interfaces in the machine. Specifically, |
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it returns the speed of the interface, the duplex state, and |
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whether it is currently up. |
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</para> |
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</refsect1> |
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<refsect1> |
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<title>Return Values</title> |
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<para> |
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The <function>get_network_iface_stats</function> returns a |
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pointer to a structure of type |
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<structname>network_iface_stat_t</structname>. |
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</para> |
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<programlisting> |
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typedef enum{ |
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FULL_DUPLEX, |
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HALF_DUPLEX, |
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UNKNOWN_DUPLEX |
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}statgrab_duplex; |
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</programlisting> |
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<para> |
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Note: The <structfield>UNKNOWN_DUPLEX</structfield> value could mean |
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that duplex hasn't been negotiated yet. |
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</para> |
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<programlisting> |
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typedef struct{ |
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char *interface_name; |
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int speed; |
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statgrab_duplex dup; |
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int up; |
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}network_iface_stat_t; |
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</programlisting> |
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<variablelist> |
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<varlistentry> |
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<term> |
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<structfield>interface_name</structfield> |
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</term> |
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<listitem> |
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<para> |
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The name known to the operating system. |
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(eg. on linux it might be eth0) |
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</para> |
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</listitem> |
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</varlistentry> |
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<varlistentry> |
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<term> |
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<structfield>speed</structfield> |
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</term> |
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<listitem> |
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<para> |
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The speed of the interface, in megabits/sec. |
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</para> |
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</listitem> |
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</varlistentry> |
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<varlistentry> |
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<term> |
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<structfield>dup</structfield> |
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</term> |
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<listitem> |
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<para> |
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The duplex state the interface is in. See statgrab_duplex |
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for permitted values. |
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</para> |
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</listitem> |
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</varlistentry> |
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<varlistentry> |
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<term> |
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<structfield>up</structfield> |
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</term> |
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<listitem> |
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<para> |
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Whether the interface is up. |
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</para> |
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</listitem> |
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</varlistentry> |
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</variablelist> |
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</refsect1> |
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<refsect1> |
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<title>See Also</title> |
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<simplelist type="inline"> |
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<member> |
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<citerefentry> |
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<refentrytitle>statgrab</refentrytitle> |
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<manvolnum>3</manvolnum> |
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</citerefentry> |
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</member> |
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</simplelist> |
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</refsect1> |
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<refsect1> |
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<title>Website</title> |
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<simplelist type="vert"> |
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<member> |
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tdb |
1.3 |
<ulink url="http://www.i-scream.org/libstatgrab/"> |
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http://www.i-scream.org/libstatgrab/ |
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</ulink> |
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1.1 |
</member> |
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</simplelist> |
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</refsect1> |
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</refentry> |
