#!/bin/bash
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# [ICS VERSION STRING: @(#) ./fastfabric/opagenchassis 10_14_4_0_20 [02/19/25 15:41]

# Find all the Internally Managed switch chassis in the fabric
# and output their IP(s)/names.
# When possible, the resolver will be used to reverse lookup the TCP/IP name
# and output it instead of the IP address.
# This is accomplished by querying the BMA(s) via opachassisip.

# optional override of defaults
if [ -f /etc/opa/opafastfabric.conf ]
then
	. /etc/opa/opafastfabric.conf
fi

. /usr/lib/opa/tools/opafastfabric.conf.def

. /usr/lib/opa/tools/ff_funcs

trap "exit 1" SIGHUP SIGTERM SIGINT

gen_chassis()
{
	local suffix

	# $1 = hfi
	# $2 = port
	if [ "$port" -eq 0 ]
	then
		port_opts="-h $hfi"	# default port to 1st active
	else
		port_opts="-h $hfi -p $port"
	fi
	eval /usr/lib/opa/tools/opachassisip $port_opts
}

Usage_full()
{
	echo "Usage: opagenchassis [-t portsfile] [-p ports]" >&2
	echo "              or" >&2
	echo "       opagenchassis --help" >&2
	echo "   --help - produce full help text" >&2
	echo "   -t portsfile - file with list of local HFI ports used to access" >&2
	echo "                  fabric(s) for analysis, default is $CONFIG_DIR/opa/ports" >&2
	echo "   -p ports - list of local HFI ports used to access fabric(s) for analysis" >&2
	echo "              default is 1st active port" >&2
	echo "              This is specified as hfi:port" >&2
	echo "                 0:0 = 1st active port in system" >&2
	echo "                 0:y = port y within system" >&2
	echo "                 x:0 = 1st active port on HFI x" >&2
	echo "                 x:y = HFI x, port y" >&2
	echo "              The first HFI in the system is 1.  The first port on an HFI is 1." >&2
	echo " Environment:" >&2
	echo "   PORTS - list of ports, used in absence of -t and -p" >&2
	echo "   PORTS_FILE - file containing list of ports, used in absence of -t and -p" >&2
	echo "for example:" >&2
	echo "   opagenchassis" >&2
	echo "   opagenchassis -p '1:1 1:2 2:1 2:2'" >&2
	exit 0
}

Usage()
{
	echo "Usage: opagenchassis" >&2
	echo "              or" >&2
	echo "       opagenchassis --help" >&2
	echo "   --help - produce full help text" >&2
	echo "for example:" >&2
	echo "   opagenchassis" >&2
	exit 2
}

if [ x"$1" = "x--help" ]
then
	Usage_full
fi

status=ok
while getopts p:t: param
do
	case $param in
	p)	export PORTS="$OPTARG";;
	t)	export PORTS_FILE="$OPTARG";;
	?)	Usage;;
	esac
done
shift $((OPTIND -1))
if [ $# -ge 1 ]
then
	Usage
fi

check_ports_args opagenchassis

for hfi_port in $PORTS
do
	hfi=$(expr $hfi_port : '\([0-9]*\):[0-9]*')
	port=$(expr $hfi_port : '[0-9]*:\([0-9]*\)')
	/usr/sbin/oparesolvehfiport $hfi $port >/dev/null
	if [ $? -ne 0 -o "$hfi" = "" -o "$port" = "" ]
	then
		echo "opagenchassis: Error: Invalid port specification: $hfi_port" >&2
		status=bad
		continue
	fi

	gen_chassis "$hfi" "$port"
done

if [ "$status" != "ok" ]
then
	exit 1
else
	exit 0
fi
