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# -------
# File: session-cmd-common.sh
# Description: common functions for session-cmd scripts
# Author: Luis Garcia Gisbert <garcia_luigis@gva.es>
# Copyright (C) Luis Garcia Gisbert <garcia_luigis@gva.es>
#
# 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.
#
# You should have received a copy of the GNU General Public License along
# with this program; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin St, Fifth Floor, Boston MA 02110-1301 USA
# --------
UNIX_SOCKET_DIR="/tmp/session-cmd"
socket_basename(){
echo "$(id -un)"
}
create_socket(){
local i MAX_TRY UNIX_SOCKET
i=0
MAX_TRY=99
while [ $i -lt $MAX_TRY ] ; do
UNIX_SOCKET="${UNIX_SOCKET_DIR}-$(socket_basename)/$(socket_basename)-${i}"
[ -S "${UNIX_SOCKET}.sock" ] || break
if [ -r "${UNIX_SOCKET}.pid" ] ; then
kill -9 "$(cat "${UNIX_SOCKET}.pid")" >/dev/null 2>/dev/null || true
break
fi
i=$(($i + 1))
done
[ $i -lt $MAX_TRY ] || return 1
mkdir -p "${UNIX_SOCKET_DIR}-$(socket_basename)"
[ -d "${UNIX_SOCKET_DIR}-$(socket_basename)" ] || return 1
echo "$UNIX_SOCKET"
return 0
}
list_sockets(){
[ -d "${UNIX_SOCKET_DIR}-$(socket_basename)" ] || return 0
find "${UNIX_SOCKET_DIR}-$(socket_basename)" -type s -name "$(socket_basename)-*.sock" 2>/dev/null
return 0
}
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