#!/bin/sh

SEQNUM=1

Mesg ()
{
	# echo $@
	return
}

SeqNumInc () 
{
	SEQNUM=`expr $SEQNUM + 1`
}

# USB disks
ProbeDisks ()
{
	local USB_DISKS DISK DEVNAME COMMAND
	SupportSAS=`/bin/get_key_value /etc.defaults/synoinfo.conf supportsas`
	SupportPORTMAPV2=`/bin/get_key_value /etc.defaults/synoinfo.conf supportportmappingv2`
	if [ "$SupportSAS" = "yes" -o "$SupportPORTMAPV2" = "yes" ]; then
		USB_DISKS=`/bin/ls -d /sys/block/usb* 2>/dev/null`;
	else
		USB_DISKS=`/bin/ls -d /sys/block/sd[k-z] 2>/dev/null`;
	fi
	for DISK in $USB_DISKS; do
		DEVNAME=`basename $DISK`
		eval `grep "^PHYSDEVPATH=" $DISK/uevent`
		COMMAND="env ACTION=$ACTION DEVNAME=$DEVNAME PHYSDEVPATH=$PHYSDEVPATH SEQNUM=$SEQNUM /sbin/hotplug block"
		Mesg "COMMAND='$COMMAND'"
		eval $COMMAND
		SeqNumInc
	done
}

# Wireless dongles
ProbeWlan ()
{
	local each_interface interfaces parent_device PRODUCT INTERFACE COMMAND
	# Enumerate device interfaces
	interfaces=`/bin/ls /sys/bus/usb/devices/*:* 2>/dev/null`
	for each_interface in $interfaces; do
		# Find its parent device
		parent_device=`echo $each_interface | cut -d ':' -f 1`
		if [ ! -x $parent_device ]; then
			continue;
		fi
		PRODUCT="`cat $parent_device/idVendor`/`cat $parent_device/idProduct`/`cat $parent_device/bcdDevice`"
		INTERFACE="`cat $each_interface/bInterfaceClass`/`cat $each_interface/bInterfaceSubClass`/`cat $each_interface/bInterfaceProtocol`"
		COMMAND="env ACTION=$ACTION PRODUCT=$PRODUCT INTERFACE=$INTERFACE SEQNUM=$SEQNUM /sbin/hotplug usb"
		Mesg "COMMAND='$COMMAND'"
		# Probe!
		eval $COMMAND
		SeqNumInc
	done
}

# usb devices: printers, hiddev, etc.
ProbeUSBDev ()
{
	local devices devpath DEVPATH devnum DEVICE DEVNAME COMMAND ifname ifpath SUB PHYSDEVPATH busnumber
	# Enumerate lp, hiddev
	devices=`/bin/ls -d /sys/bus/usb/devices/*-*|grep -v : 2>/dev/null`
	#logger -p err "usb_devices: $devices"

	for devpath in $devices; do
		# parsing ../../../devices/platform/orion-ehci.0/usb1/1-1/1-1.2/1-1.2:1.0
		DEVNAME=`basename $devpath`
		
		devnum=`cat $devpath/devnum`
		busnumber=`cat $devpath/busnum`
		DEVICE=`printf "/proc/bus/usb/%03d/%03d" $busnumber $devnum`

		# probe main device
		# prepare info for wireless dungle
		PRODUCT="`cat $devpath/idVendor`/`cat $devpath/idProduct`/`cat $devpath/bcdDevice`"

		COMMAND="env ACTION=$ACTION DEVICE=$DEVICE DEVPATH=$DEVNAME SUBSYSTEM=usb SEQNUM=$SEQNUM /sbin/hotplug usb"
		#logger -p err "COMMAND='$COMMAND'"
		eval $COMMAND
		SeqNumInc

		# probe interfaces & drivers
		for ifpath in `ls -d /sys/bus/usb/devices/*-*:*| grep $DEVNAME:`; do
			eval `grep ^INTERFACE $ifpath/uevent`
			ifname=`basename $ifpath`
			COMMAND="env ACTION=$ACTION DEVICE=$DEVICE DEVPATH=$ifname PRODUCT=$PRODUCT INTERFACE=$INTERFACE SUBSYSTEM=usb SEQNUM=$SEQNUM MAJOR=$MAJOR MINOR=$MINOR FORCE=$FORCE /sbin/hotplug usb"
			#logger -p err "COMMAND='$COMMAND'"
			eval $COMMAND
			SeqNumInc

			# Probe driver event
			DEVNAME=`ls -d $ifpath/*:* 2>/dev/null`
			PHYSDEVPATH=`readlink $ifpath`
			PHYSDEVPATH=${PHYSDEVPATH/*../}
			SUB=usb
			if [ -z "$DEVNAME" ]; then
				SupportSAS=`/bin/get_key_value /etc.defaults/synoinfo.conf supportsas`
				SupportPORTMAPV2=`/bin/get_key_value /etc.defaults/synoinfo.conf supportportmappingv2`
				if [ "$SupportSAS" = "yes" -o "$SupportPORTMAPV2" = "yes" ]; then
					USB_DISKS=`/bin/ls -d /sys/block/usb* 2>/dev/null`;
				else
					USB_DISKS=`/bin/ls -d /sys/block/sd[k-z] 2>/dev/null`;
				fi
				for disk in $USB_DISKS; do
					if readlink $disk/device| grep -q $ifname; then
						SUB=block
						DEVNAME=`basename $disk`
						MAJOR=`cat $disk/dev | awk -F ":" '{print $1}'`
						MINOR=`cat $disk/dev | awk -F ":" '{print $2}'`
						eval `grep ^PHYSDEVPATH $disk/uevent`
						break
					fi
				done
				if [ -z "$DEVNAME" ]; then
					continue
				fi
			else
				DEVNAME=`basename $DEVNAME| cut -d':' -f2`
			fi
			COMMAND="env ACTION=$ACTION DEVNAME=$DEVNAME DEVICE=$DEVICE MAJOR=$MAJOR MINOR=$MINOR DEVPATH=$DEVNAME SUBSYSTEM=$SUB PHYSDEVPATH=$PHYSDEVPATH SEQNUM=$SEQNUM /sbin/hotplug $SUB"
			#logger -p err "COMMAND='$COMMAND'"
			eval $COMMAND
			SeqNumInc
		done
	done
}

ProbeDsp ()
{
	local COMMAND
	# Probe DSP
	if [ -d /sys/class/sound/dsp ]; then
		COMMAND="env ACTION=$ACTION DEVNAME=dsp SEQNUM=$SEQNUM /sbin/hotplug usb"
		Mesg "COMMAND='$COMMAND'"
		# Probe!
		eval $COMMAND
		SeqNumInc
	fi
}

LTEModeSwitch ()
{
	local COMMAND=""

	for DEVPATH in `ls -Al /sys/bus/usb/devices/ | awk -F"->" '{print $2}' | sed 's/\.\.\///g'`; do
		local basename="`basename $DEVPATH`"
		[ ! -n "`echo $basename | grep -v :`" ] && continue
		[ ! -n "`echo $basename | grep -v : | grep -`" ] && continue

		PRODUCT="`cat /sys/$DEVPATH/idVendor`/`cat /sys/$DEVPATH/idProduct`/`cat /sys/$DEVPATH/bcdDevice`"
		COMMAND="env ACTION=$ACTION DEVPATH=$DEVPATH PRODUCT=$PRODUCT /sbin/hotplug usb"
		eval $COMMAND
	done
}

ACTION=add
#FORCE for wlan
FORCE=
#MAJOR/MINOR for dvb
MAJOR="0"
MINOR="0"
if [ "remove" = "$1" ]; then
	ACTION="remove"
	FORCE="true"
fi

ProbeUSBDev
ProbeDsp
LTEModeSwitch &