vip222k_changer

#!/usr/bin/env bash

if [ $# -eq 0 ] || [ $1 = '-h' ] ; then
  echo 'Usage: vip222k_changer STB_IP TUNER Number Channel#'
  echo 'Tuner 0 = HD Tuner'
  echo 'Tuner 1 = SD TV2 Tuner'
  echo 'Example: vip222k_changer 10.0.0.123 0 9475'

  exit 0
fi


# Basic Settings
HOST=$1
PORT='49200'
QUERY='upnp/control/EchoSTB2'
SERVICE='urn:schemas-echostar-com:service:EchoSTB:2'

#Action to wake up a sleeping STB
WAKE_ACTION='WakeUp'
WAKE_ARGS='<Tuner>$2</Tuner>'

#Action to change the channel
CHANGE_ACTION='SetChannel'
CHANGE_ARGS="<Tuner>$2</Tuner><Channel>$3</Channel>"

#Disable Inactivity Standby
INACTIVE_ACTION='InactivityStandby'
INACTIVE_ARGS='<Enable_disable>Disable</Enable_disable><hours_4_to_8>8</hours_4_to_8>'

upnp_send()
{
	local HOST=$1
	local ACTION=$2
	local UPNP_ARGS=$3

	# prepare SOAP message
	local CR=$'\r'
	local MESSAGE='<?xml version="1.0" encoding="utf-8"?>
<s:Envelope xmlns:s="http://schemas.xmlsoap.org/soap/envelope/"
s:encodingStyle="http://schemas.xmlsoap.org/soap/encoding/">
<s:Body>
<u:'${ACTION}' xmlns:u="'${SERVICE}'">'${UPNP_ARGS}'</u:'${ACTION}'>
</s:Body>
</s:Envelope>'

	exec 6<>/dev/tcp/$HOST/$PORT || {
		echo "error: can not connect to $HOST:$PORT" >&2
		return 1
	}

	cat <<EOF >&6
POST /$QUERY HTTP/1.0$CR
Host: $HOST:$PORT$CR
SOAPAction: "${SERVICE}#${ACTION}"$CR
Content-Type: text/xml; charset="utf-8"$CR
Content-Length: ${#MESSAGE}$CR
$CR
$MESSAGE
EOF

	#Uncomment to debug
	cat <&6

	exec 6<&-
	exec 6>&-
}

#Wake the STB up
upnp_send $HOST $WAKE_ACTION $WAKE_ARGS

#Wait for it to wake up
sleep .7

#Change the channel
upnp_send $HOST $CHANGE_ACTION $CHANGE_ARGS

sleep .1

#Disabled the inactivity timeout
upnp_send $HOST $INACTIVE_ACTION $INACTIVE_ARGS

#Sleep to allow the STB time to settle before the tuner tries to access (HD-PVR)
sleep .1