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. lib/parameters.sh
. lib/print.sh
. lib/report.sh
. lib/run.sh
    
function check_server_traffic {
    local result="$1"
    local yellow=${2:-0}
    local red=${3:-0}
    
    local name=("in" "out" "fwd")

    local traf    
    read -ra traf <<< $result
    if [ ${#traf[@]} -ne 3 ]; then
        [ -z "$result" ] && result="No info received"
        print "$result" "red" $fold 1 
        return
    fi
    
    local output=""
    for i in $(seq 0 2); do
        if ! [[ ${traf[$i]} =~ ^[0-9]+$ ]]; then
            print "$result" "red" $fold 1
            return
        fi

        local val=$(printf "% 4u" $((${traf[$i]} / 1024 / 1024 / 1024)))
        if [ $red -gt 0 -a $val -gt $red ]; then
            val=$(decorate "$val GB" "red")
        elif [ $yellow -gt 0 -a $val -gt $yellow ]; then
            val=$(decorate "$val GB" "yellow")
        else
            val="$val GB"
        fi
        
#        output="$output${output:+, }${name[$i]}: $val"
        output="$output${output:+, } $val"
    done
    
#    print "$output"
    print "in/out/fwd: $output"
}

function check_server_ {
    local service=$1 && shift

    local hopo
    IFS=':' read -ra hopo <<< $1 && shift
    local host=${hopo[0]}
    local port=${hopo[1]:-22}

    local result=$(ssh $ssh_params -p $port root@$host /opt/scripts/check_server_$service.sh 2>&1 )

    case "$service" in
      'traffic')
        check_server_traffic "$result" "$@"
        ;;
      *)
        print "$result"
    esac        

}


function check_server_status {
    local hopo
    IFS=':' read -ra hopo <<< $1 && shift
    local host=${hopo[0]}
    local port=${hopo[1]:-22}
    local services="$@"

    local ping_output=$(scripts/ping.pl $host $port $timeout)
    print_status "$ping_output"

    if [ "$services" == "-" ]; then return; fi

    if [ "$ping_output" == "1" ]; then
        local output=$(ssh $ssh_params -p $port root@$host /opt/scripts/check_server_status.sh 2>&1)

        local status=1
        [ -n "$output" ] && status=0 && output="\n$(decorate "$host:$port" "cyan" "u")\n$output\n"
        print_status $status

        # Check Additional services, error is reported if anything provides information
        local headers=""
        if [ -n "$services" ]; then
            for service in "$services"; do 
                if [[ "$service" =~ ^vpn/(.*)$ ]]; then
                    local ip=${BASH_REMATCH[1]}
                    [ $(hostname) == "styx" ] && check_server_status "$ip" "-"
                else
                    local service_status=1
                    local service_output=$(ssh $ssh_params -p $port root@$host /opt/scripts/check_${service}_status.sh 2>&1 | sed 's/^[[:space:]]*//;/^$/d')
                    if [ -n "$service_output" ]; then
                        first_line=$(echo "$service_output" | head -n 1)
                        if [[ "$first_line" =~ ^([0-9]+)[[:space:]](.*)$ ]]; then
                            service_status=${BASH_REMATCH[1]}
                            service_output=$(sed "1 d" <<< "$service_output")
                            if [ -n "${BASH_REMATCH[2]}" ]; then
                                service_header=$(sed -r "s/\\$\{color\s+([^}]*)\}/\$(set_color \\1)/g" <<< "${BASH_REMATCH[2]}")       #"
                                headers="$headers $service_header"
                            fi
                        else
                            service_status=0
                        fi

                        if [ -n "$service_output" ]; then
                            [ -z "$output" ] && output="\n$(decorate "$host:$port" "cyan" "u")"
                            output="${output}\n  $(decorate "$service" "gray" "u")\n$(echo ${service_output} | sed 's/^/  /')"
                        fi
                    fi
                fi

            done
        fi

        print " ::: ${headers}"
        #report="$report<section>$output"
        if [ -n "$output" ]; then
            flock -x $0 echo "${output}" >&12
        fi 
    else
        print_status "x"
        for service in "$services"; do 
            print_status "x"
        done
    fi
}

function check_service {
    local service="$1" && shift
    local id="$1" && shift
    local args="$@"
    
    local output=$(service/check_${service}.sh ${id} "$@" 2>&1  | sed 's/^[[:space:]]*//;/^$/d')
    
    local info=$(echo "$output" | tail -n 1)
    
    local online=0
    local health=0
    local header=""
    if [[ "$info" =~ ^([0-9]+)[[:space:]]+([0-9]+)[[:space:]]+(.*)$ ]]; then
        online=${BASH_REMATCH[1]}
        health=${BASH_REMATCH[2]}
        header=${BASH_REMATCH[3]}

        output=$(sed '$ d' <<< "$output")
    fi
    
    print_status "$online"
    print_status "$health"

    header=$(sed -r "s/\\$\{color\s+([^}]*)\}/\$(set_color \\1)/g" <<< "$header")                # "
    print " ::: ${header}"


    important=$(grep "^\*" <<< "$output")
    messages=$(grep -v "^\*" <<< "$output")

    if [ -n "$output" ]; then
        output="\n$(decorate "$service:$id" "cyan" "u")\n$important\n$(set_color gray)$messages$(reset_color)\n"
        flock -x $0 echo "${output}" >&12
    fi
}


function check__ {
    local args    
    local title="$1" && shift
    read -ra args <<< "$1" && shift
    local host=${args[0]};

    print "$(decorate $title "purple") ::: " | sed -r "s/\\$\{color\s+([^}]*)\}/\$(set_color \\1)/g; "
    
    local service
    for service in "$@"; do
        service=$(sed -r "s/<([0-9]+)>/\${args[\\1]}/g; s/<([^>]+)>/\${\\1}/g" <<< "$service")                  # "
        ( eval "$service" )
    done
    print_eol
}

function check_ {
    # Buffer the output
    local output=$(check__ "$@")
    echo -e "$output"
}

function check {
    if [ $parallel -gt 0 ]; then
        check_ "$@" &
    else
        check_ "$@"
    fi
}