From 9066f1d95f809e960e653a7a48c60c36ad2adb1f Mon Sep 17 00:00:00 2001
From: Steffen Vogel <post@steffenvogel.de>
Date: Sat, 20 Oct 2018 14:26:33 +0200
Subject: [PATCH] started writing wrapper shell script for obsoleting
 villas-signal

---
 tools/villas-signal.sh | 86 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 86 insertions(+)
 create mode 100755 tools/villas-signal.sh

diff --git a/tools/villas-signal.sh b/tools/villas-signal.sh
new file mode 100755
index 000000000..8e0433b63
--- /dev/null
+++ b/tools/villas-signal.sh
@@ -0,0 +1,86 @@
+#!/bin/bash
+# Wrapper around villas-pipe which uses the signal generator node-type
+#
+# @author Steffen Vogel <stvogel@eonerc.rwth-aachen.de>
+# @copyright 2018, Institute for Automation of Complex Power Systems, EONERC
+# @license GNU General Public License (version 3)
+#
+# VILLASnode
+#
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+###################################################################################
+
+function usage() {
+	echo "Usage: villas-signal [OPTIONS] SIGNAL"
+	echo "  SIGNAL   is on of the following signal types:"
+	echo "    mixed"
+	echo "    random"
+	echo "    sine"
+	echo "    triangle"
+	echo "    square"
+	echo "    ramp"
+	echo "    constants"
+	echo "    counter"
+	echo ""
+	echo "  OPTIONS is one or more of the following options:"
+	echo "    -d LVL  set debug level"
+	echo "    -f FMT  set the format"
+	echo "    -v NUM  specifies how many values a message should contain"
+	echo "    -r HZ   how many messages per second"
+	echo "    -n      non real-time mode. do not throttle output."
+	echo "    -F HZ   the frequency of the signal"
+	echo "    -a FLT  the amplitude"
+	echo "    -D FLT  the standard deviation for 'random' signals"
+	echo "    -o OFF  the DC bias"
+	echo "    -l NUM  only send LIMIT messages and stop"
+    echo
+    echo "VILLASnode $(villas-node -v)"
+    echo " Copyright 2014-2018, Institute for Automation of Complex Power Systems, EONERC"
+    echo "  Steffen Vogel <StVogel@eonerc.rwth-aachen.de>"
+    exit 1
+}
+
+OPTS=()
+
+while getopts "v:r:f:l:a:D:no:h" OPT; do
+    case $OPT in
+        n) OPTS+=("-o realtime=false") ;;
+		l) OPTS+=("-o limit=$OPTARG") ;;
+        v) OPTS+=("-o values=$OPTARG") ;;
+        r) OPTS+=("-o rate=$OPTARG") ;;
+        o) OPTS+=("-o offset=$OPTARG") ;;
+        f) OPTS+=("-o frequency=$OPTARG") ;;
+        a) OPTS+=("-o amplitude=$OPTARG") ;;
+        D) OPTS+=("-o stddev=$OPTARG") ;;
+        h)
+            usage
+            exit 0
+            ;;
+        \?)
+            echo "Invalid option: -$OPTARG" >&2
+            usage
+            exit 1
+            ;;
+    esac
+done
+
+# and shift them away
+shift $((OPTIND - 1))
+
+if (( $# != 1 )); then
+    usage
+    exit 1
+fi
+
+echo villas-pipe -r -t signal -o signal=$1 ${OPTS[@]}