#!/bin/sh

IBPATH=${IBPATH:-/usr/local/ofed/bin}

function usage() {
	echo Usage: `basename $0` "[-h] [-v] [-G] <lid|guid> <port>"
	exit -1
}

function green() {
	if [ "$bw" = "yes" ]; then
		if [ "$verbose" = "yes" ]; then
			echo $1
		fi
		return
	fi
	if [ "$verbose" = "yes" ]; then
		echo -e "\\033[1;032m" $1 "\\033[0;39m"
	fi
}

function red() {
	if [ "$bw" = "yes" ]; then
		echo $1
		return
	fi
	echo -e "\\033[1;031m" $1 "\\033[0;39m"
}

guid_addr=""
bw=""
verbose=""

while [ "$1" ]; do
	case $1 in
	-G)
		guid_addr=yes
		;;
	-nocolor|-N)
		bw=yes
		;;
	-v)
		verbose=yes
		;;
	-*)
		usage
		;;
	*)
		break
		;;
	esac
	shift
done

if [ $# -lt 2 ]; then
	usage
fi

portnum=$2

if [ "$guid_addr" ]; then
	if ! lid=`$IBPATH/ibaddr -G -L $1 | awk '/failed/{exit -1} {print $1}'`; then
		echo -n "guid $1 address resolution: "
		red "FAILED"
		exit -1
	fi
	guid=$1
else
	lid=$1
	if ! temp=`$IBPATH/ibaddr -L $1 | awk '/failed/{exit -1} {print $1}'`; then
		echo -n "lid $1 address resolution: "
		red "FAILED"
		exit -1
	fi
fi


if $IBPATH/smpquery portinfo $lid $portnum | awk -F '[.:]*' '
function blue(s)
{
	if (mono)
		printf s
	else if (!quiet) {
		printf "\033[1;034m" s
		printf "\033[0;39m"
	}
}

# Only check LinkWidthActive if LinkWidthSupported is not 1X
/^LinkWidthSupported/{ if ($2 != "1X") { next } }
/^LinkWidthActive/{ if ($2 == "1X") warn = warn "#warn: Link configured as 1X\n"}

END {
	if (err != "") {
		blue(err)
		exit -1
	}
	if (warn != "") {
		blue(warn)
		exit -1
	}
	exit 0
}' 2>&1 ; then
	if [ "$verbose" = "yes" ]; then
		echo -n "Port check lid $lid port $portnum: "
		green "OK"
	fi
	exit 0
else
	echo -n "Port check lid $lid port $portnum: "
	red "FAILED"
	exit -1
fi
