network_tools/usr/local/lib/default.bash

#!/bin/bash

if [[ "${DEFAULT_BASH}" != "" ]]
then
    return
else
    declare -g DEFAULT_BASH=1
fi



# Global Variable
#-----------------------------------------------------------------------------------------------------------------------------------






# Default Options
#-----------------------------------------------------------------------------------------------------------------------------------

shopt -s extglob





# Print Version
#-----------------------------------------------------------------------------------------------------------------------------------

version_print()
{
    echo "$VERSION" | sed -e 's/.*: //' -e 's/-/ /' -e 's/_/\./g' -e 's/\$$//'
}





# Prin Help
#-----------------------------------------------------------------------------------------------------------------------------------

help_print()
{
    echo "${NAME} ${HELP}"

}





# Quote Str
#-----------------------------------------------------------------------------------------------------------------------------------

quote_str()
{
    local quoted=${1//\'/\'\\\'\'}
    printf "'%s'" "$quoted"
}





# Escape Str
#-----------------------------------------------------------------------------------------------------------------------------------

escape_str()
{
    echo "$*" | sed -e "s/\"/\\\\\"/g"
}





# Line Echo
#-----------------------------------------------------------------------------------------------------------------------------------

line_echo()
{
    string="$1"
     count="$2"

    echo -en "\e[2K\r"

    if [[ "${count}" != "" ]]
    then
      printf "%05d: %s" "${count}"
      echo -en "${string}"
    fi
}





# Err Echo
#-----------------------------------------------------------------------------------------------------------------------------------

err_echo()
{
    echo "$@" 1>&2
}





# Exec CMD
#-----------------------------------------------------------------------------------------------------------------------------------

exec_cmd()
{
    cmd="$1"


    if [[ "${verbose}" == "true" ]]
    then
	echo "${cmd}" 1>&2
    fi

    if [[ "${dry_run}" != "true" ]]
    then
	eval "${cmd}"
    fi
}




#--------------------------------------------------------------------------------------------------------------------------
# tab_assign
#--------------------------------------------------------------------------------------------------------------------------

tab_assign()
{
    declare -n   ta_tab=$1
                 ta_key=$2
               ta_value=$3

	       
    if [[ "${ta_value}" == "-" ]]
    then
        ta_value=""
    fi

    ta_tab[${ta_key}]="${ta_value}"
}





#--------------------------------------------------------------------------------------------------------------------------
# var_assign
#--------------------------------------------------------------------------------------------------------------------------

var_assign()
{
    declare -n   va_var=$1
               va_value=$2
                va_mode=$3

		
    if [[ "${va_value}" == "-" ]]
    then
        va_value=""
    fi

    if [[ "${va_mode}" == "INC" ]]
    then
	va_var="${va_var} ${va_value}"
    else
	va_var="${va_value}"
    fi
}





#--------------------------------------------------------------------------------------------------------------------------
# file_lock
#--------------------------------------------------------------------------------------------------------------------------

file_dir_init()
{
    locale  File="$1"
    locale Owner="$2"
    locale Group="$3"


    if [[ "'$id -u" != "0" ]]
    then
        ${LOG} "Can't perform file: [${File}] init as non root user!"
    else
        if [ ! -f ${File} ]
        then
            dir="$( dirname ${file})"

            if [ ! -d ${dir} ]
            then
                ${LOG} "Initializing directory: [${dir}]"
                
                mkdir                    ${dir}
                chmod ug+rwx             ${dir}
                chown ${Owner}:${Group}  ${dir}
            fi

            ${LOG} "Initializing file: [${File}]"
            
                                        >${File}
            chmod ug+rw                  ${File}
            chown ${Owner}:${Group}      ${File}
    fi
}





#--------------------------------------------------------------------------------------------------------------------------
# file_lock
#--------------------------------------------------------------------------------------------------------------------------

file_lock()
{
    fl_file="$1"
    fl_mode="$2"
    fl_desc="$3"

    
    if [[ ( "${fl_mode}" == "EXCLUSIVE" ) || ( "${fl_mode}" == "WRITE" ) ]]
    then
        fl_flag="-x"
    else
        fl_flag="-s"
    fi

    if [[ "${fl_desc}" == "" ]]
    then
        fl_desc="9"
    fi

    
    eval "exec ${fl_desc}<>\"\${fl_file}\""
    
    if ! flock ${fl_flag} -w 5 ${fl_desc}
    then
        err_echo "Failed to acquire read lock on: [${file}]"
        exit 1
    fi
}





#--------------------------------------------------------------------------------------------------------------------------
# file_unlock
#--------------------------------------------------------------------------------------------------------------------------

file_unlock()
{
    fu_desc="$1"

    
    if [[ "${fu_desc}" == "" ]]
    then
        fu_desc="9"
    fi

    
    eval "exec ${fl_desc}<&-"
    eval "exec ${fl_desc}>&-"
}