#!/bin/sh

CDATA_VERSION=3

BIN_GET_KEY_VALUE="/bin/get_key_value"
ROUTER_CONF="/etc/portforward/router.conf"
RULE_CONF="/etc/portforward/rule.conf"

BRAND=`$BIN_GET_KEY_VALUE $ROUTER_CONF brand`
MODEL=`$BIN_GET_KEY_VALUE $ROUTER_CONF model`
VERSION=`$BIN_GET_KEY_VALUE $ROUTER_CONF version`
CHANGE_PORT=`$BIN_GET_KEY_VALUE $ROUTER_CONF support_change_port`
if [ -e $RULE_CONF ]; then
    RULE_NUM=`cat $RULE_CONF | grep "enabled=1" | wc -l`
else
    RULE_NUM=0;
fi

UPNP=`/bin/get_key_value $ROUTER_CONF support_router_upnp`
NATPMP=`/bin/get_key_value $ROUTER_CONF support_router_natpmp`
if [ "yes" == "$UPNP" ]; then 
  TYPE="UPNP"
elif [ "yes" == "$NATPMP" ]; then 
  TYPE="NATPMP"
else
  TYPE="MANUAL"
fi

TRACE_ROUTE_RESULT=`traceroute -n -I -m 5 8.8.8.8 2>&1 | sed '1d' | awk '{printf $2" "}' | sed 's/*/unknown/g'`
HOP_COUNT=1
for i in $TRACE_ROUTE_RESULT
do
    IP_TYPE=`echo $i | sed 's/\./ /g' | awk '{if(($1 == "unknown") || $1 == 10 || ($1==172 && $2>=16) || ($1==192 && $2==168) || ($1==169 && $2==254) || ($1==127)) printf "private"}'`
    if [ "$IP_TYPE" == "private" ]; then
        HOP_COUNT=$(($HOP_COUNT+1))
    else
        break
    fi
done

echo -n "{"

echo -n \"brand\":\"$BRAND\",
echo -n \"model\":\"$MODEL\",
echo -n \"version\":\"$VERSION\",
echo -n \"type\":\"$TYPE\",
echo -n \"support_change_port\":\"$CHANGE_PORT\",
echo -n \"rule_num\":$RULE_NUM,
echo -n \"hop_count\":$HOP_COUNT,

# let version be the last one msg
echo -n \"collector_version\":4

echo "}"