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|
#! /usr/local/bin/vm shell
#
# This is a demo script for the new event handling interface between
# shell scripts and the voice library.
#
# $Id: events.sh,v 1.4 1998/09/09 21:08:01 gert Exp $
#
#
# Define the function to receive an answer from the voice library
#
function receive
{
read -r INPUT <&$VOICE_INPUT;
echo "$INPUT";
}
#
# Define the function to send a command to the voice library
#
function send
{
echo $1 >&$VOICE_OUTPUT;
kill -PIPE $VOICE_PID
}
#
# Let's see if the voice library is talking to us
#
ANSWER=`receive`
if [ "$ANSWER" != "HELLO SHELL" ]; then
echo "$0: voice library not answering" >&2
exit 1
fi
#
# Let's answer the message
#
send "HELLO VOICE PROGRAM"
#
# Let's see if it worked
#
ANSWER=`receive`
if [ "$ANSWER" != "READY" ]; then
echo "$0: initialization failed" >&2
exit 1
fi
#
# Set the device to the dialup line
#
send "DEVICE DIALUP_LINE"
#
# Let's see if it worked
#
ANSWER=`receive`
if [ "$ANSWER" != "READY" ]; then
echo "$0: could not set output device" >&2
exit 1
fi
#
# Enable events
#
send "ENABLE EVENTS"
#
# Let's see if it worked
#
ANSWER=`receive`
if [ "$ANSWER" != "READY" ]; then
echo "$0: could not enable events" >&2
exit 1
fi
#
# Let's wait for one hour
#
send "WAIT 3600"
#
# Let's see if it worked
#
ANSWER=`receive`
if [ "$ANSWER" != "WAITING" ]; then
echo "$0: could not start waiting" >&2
exit 1
fi
#
# Let's start an infinite loop
#
echo "Waiting for voice events..."
while /bin/true
do
#
# Let's wait for events
#
ANSWER=`receive`
#
# And print, what we got
#
echo "$ANSWER"
#
# Let's exit upon a 0
#
if [ "$ANSWER" = "0" ]; then
break
fi
done
echo "Exiting..."
#
# Let's stop waiting
#
send "STOP"
#
# Let's see if it works
#
ANSWER=`receive`
if [ "$ANSWER" != "READY" ]; then
echo "$0: could not stop waiting" >&2
exit 1
fi
#
# Let's say goodbye
#
send "GOODBYE"
#
# Let's see if the voice library got it
#
ANSWER=`receive`
if [ "$ANSWER" != "GOODBYE SHELL" ]; then
echo "$0: could not say goodbye to the voice library" >&2
exit 1
fi
exit 0
|
