collect-ifstat.sh

#!/bin/sh

# Copyright 2015-2020 Rivoreo

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# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
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# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:

# The above copyright notice and this permission notice shall be
# included in all copies or substantial portions of the Software.

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# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE
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PROGRAM_DIR="`dirname \"$0\"`"
. "$PROGRAM_DIR/utils.sh"
load_config_file "$PROGRAM_DIR/performance-monitor.cfg"
load_config_file /etc/performance-monitor.cfg
handle_command_line_options "$@"

if { [ -n "$LINPROCFS" ] && [ -f "$LINPROCFS/net/dev" ]; } || [ -f /proc/net/dev ]; then
	. "$PROGRAM_DIR/collect-ifstat.linux-procfs.sh"
elif [ "`netstat -inb -f link | sed 1!d`" = "Name    Mtu Network       Address              Ipkts Ierrs Idrop     Ibytes    Opkts Oerrs     Obytes  Coll" ]; then
	. "$PROGRAM_DIR/collect-ifstat.bsd-netstat.sh"
elif [ -x "`which atopsar`" ]; then
	# atopsar(1) is less preferred because it doesn't output values that accurate to byte.
	. "$PROGRAM_DIR/collect-ifstat.atop-sar.sh"
else
	echo "This platfrom is not supported" 1>&2
	exit 1
fi