add show_interfaces scripts

1 files changed, 123 insertions, 0 deletions

diff --git a/scripts/show_interfaces_statistics b/scripts/show_interfaces_statistics
new file mode 100755
index 0000000..40870cc
--- /dev/null
+++ b/scripts/show_interfaces_statistics
@@ -0,0 +1,123 @@
+#!/bin/bash
+# **** License ****
+# Version: VPL 1.0
+#
+# The contents of this file are subject to the Vyatta Public License
+# Version 1.0 ("License"); you may not use this file except in
+# compliance with the License. You may obtain a copy of the License at
+# http://www.vyatta.com/vpl
+#
+# Software distributed under the License is distributed on an "AS IS"
+# basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
+# the License for the specific language governing rights and limitations
+# under the License.
+#
+# This code was originally developed by Vyatta, Inc.
+# Portions created by Vyatta are Copyright (C) 2007 Vyatta, Inc.
+# All Rights Reserved.
+#
+# Author: Tom Grennan
+# Date: 2007
+#
+# **** End License ****
+
+shopt -s extglob
+shopt -s nullglob
+
+declare progname=${0##*/}
+declare -a full_itfs=( /sys/class/net/+(eth|vmnet|wan|sit|lo)* )
+declare -a itfs
+declare -i rx_bytes rx_packets rx_errors rx_dropped rx_over_errors multicast
+declare -i tx_bytes tx_packets tx_errors tx_dropped tx_carrier_errors collisions
+declare -i rx_missed_errors rx_fifo_errors
+
+_usage ()
+{
+    cat <<-EOF
+	$progname [ INTERFACE ]
+	EOF
+}
+
+_error ()
+{
+    ecode=$1
+    shift
+    echo $@
+    if [ $ecode -eq 1 ] ; then
+        echo
+        _usage
+    fi
+    exit $ecode
+}
+
+if [ $# -gt 0 ] ; then
+    if [[ $1 == --+(usage|help) ]] ; then
+	_usage
+	exit 0
+    else
+	itfs=( $@ )
+    fi
+else
+    itfs=( ${full_itfs[@]##*/} )
+fi
+
+for itf in ${itfs[@]} ; do
+    test -d /sys/class/net/$itf || \
+	_error 2 $itf: no such interface\!
+    for stat in \
+	rx_bytes rx_packets rx_errors rx_dropped rx_over_errors multicast \
+	tx_bytes tx_packets tx_errors tx_dropped tx_carrier_errors collisions
+    do
+	full_stat=/sys/class/net/${itf}/statistics/${stat}
+	if  [ -r $full_stat ] ; then
+	    eval $stat=$(cat $full_stat)
+	else
+	    eval $stat=0
+	fi
+    done
+    for stat in rx_missed_errors ; do
+	full_stat=/sys/class/net/${itf}/statistics/${stat}
+	if  [ -r $full_stat ] ; then
+	    let $(( rx_dropped_errors += $(cat $full_stat) ))
+	fi
+    done
+    for stat in rx_fifo_errors ; do
+	full_stat=/sys/class/net/${itf}/statistics/${stat}
+	if  [ -r $full_stat ] ; then
+	    let $(( rx_over_errors += $(cat $full_stat) ))
+	fi
+    done
+
+    printf -v rx_stats \
+	'%10d %10d %10d %10d %10d %10d' \
+	$rx_bytes  \
+	$rx_packets\
+	$rx_errors \
+	$rx_dropped \
+	$rx_over_errors \
+	$multicast
+
+    printf -v tx_stats \
+	'%10d %10d %10d %10d %10d %10d' \
+	$tx_bytes  \
+	$tx_packets\
+	$tx_errors \
+	$tx_dropped \
+	$tx_carrier_errors \
+	$collisions
+
+    ip -s addr show ${itf} | sed 's/^[0-9]*: //'
+    cat <<-EOF
+
+    RX:  bytes    packets     errors    dropped    overrun      mcast
+    $rx_stats
+    TX:  bytes    packets     errors    dropped    carrier collisions
+    $tx_stats
+
+	EOF
+done
+
+# Local Variables:
+# mode: shell-script
+# sh-indentation: 4
+# End: