#
# Copyright (c) 2000,2003 Silicon Graphics, Inc.  All Rights Reserved.
# Copyright (c) 2010 Aconex.  All Rights Reserved.
# 
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2 of the License, or (at your
# option) any later version.
# 
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
# or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
# for more details.
# 
# This file is sourced by PCP scripts to set the environment
# variables defined in the file named $PCP_CONF (or /etc/pcp.conf
# if $PCP_CONF is not defined). Any variable already defined in
# the environment is not changed. 
#
# Note: any variables NOT starting with PCP_ will be ignored.
# This is a security issue so don't change it.
# Note also, this (variant of this) file is not used on Windows.
#
if [ -z "$PCP_ENV_DONE" ]
then
    if [ -n "$PCP_CONF" ]
    then
	__CONF="$PCP_CONF"
    elif [ -n "$PCP_DIR" ]
    then
	__CONF="$PCP_DIR/etc/pcp.conf"
    else
	__CONF=/etc/pcp.conf
    fi
    if [ ! -f "$__CONF" ]
    then
	echo "pcp.env: Fatal Error: \"$__CONF\" not found" >&2
	exit 1
    fi
    eval `sed -e 's/"//g' $__CONF \
    | awk -F= '
/^PCP_/ && NF == 2 {
	exports=exports" "$1
	printf "%s=${%s:-\"%s\"}\n", $1, $1, $2
} END {
	print "export", exports
}'`
    export PCP_ENV_DONE=y
fi

# Always need to set $PATH ... sudo -E leaves $PCP_ENV_DONE set, but
# clears/resets $PATH.  Note that order is important: any paths with
# PCP-specific binaries should end up ahead of more generic paths in
# the final $PATH to avoid conflicts on names of non-pcp binaries.
#
for dir in ${PCP_BIN_DIR} ${PCP_BINADM_DIR} \
	${PCP_SHARE_DIR}/bin ${PCP_PLATFORM_PATHS}
do
    if [ -d $dir ]
    then
	if echo ":$PATH:" | grep ":$dir:" >/dev/null 2>&1
	then
	    :
	else
	    PATH="$dir:$PATH"
	fi
    fi
done
export PATH

_get_pids_by_name()
{
    if [ $# -ne 1 ]
    then
	echo "Usage: _get_pids_by_name process-name" >&2
	exit 1
    fi

    # Algorithm ... all ps(1) variants have a time of the form MM:SS
    # or HH:MM:SS or HH:MM.SS before the psargs field, so we're using
    # this as the search anchor.
    #
    # Matches with $1 (process-name) occur if the first psarg is $1
    # or ends in /$1 ... the matching uses sed's regular expressions,
    # so passing a regex into $1 will work.

    $PCP_PS_PROG $PCP_PS_ALL_FLAGS \
    | sed -n \
	-e 's/$/ /' \
	-e 's/[ 	][ 	]*/ /g' \
	-e 's/^ //' \
	-e 's/^[^ ]* //' \
	-e "/[0-9][:\.][0-9][0-9]  *[^ ]*\/$1 /s/ .*//p" \
	-e "/[0-9][:\.][0-9][0-9]  *$1 /s/ .*//p"
}