Updated Makefile and docs for fedsd utility

util/tracing/Makefile

@@ -1,7 +1,8 @@
 # Makefile for utilities that convert Lingua Franca trace files
 # into other formats.
 # @author: Edward A. Lee
-REACTOR_C=../../
+REACTOR_C=../..
+CURRENT_PATH=$(shell pwd)
 CC=gcc
 CFLAGS=	-I$(REACTOR_C)/include/core/ \
 		-I$(REACTOR_C)/include/core/modal_models \
@@ -30,7 +31,7 @@ install: trace_to_csv trace_to_chrome trace_to_influxdb
 	mv trace_to_csv $(INSTALL_PREFIX)
 	mv trace_to_chrome $(INSTALL_PREFIX)
 	mv trace_to_influxdb $(INSTALL_PREFIX)
-	ln -f -s launch-fedsd.sh $(INSTALL_PREFIX)/fedsd
+	ln -f -s $(CURRENT_PATH)/launch-fedsd.sh $(INSTALL_PREFIX)/fedsd
 	chmod +x launch-fedsd.sh
 
 clean:

util/tracing/launch-fedsd.sh

@@ -53,6 +53,27 @@ else
     fatal_error "Unable to determine absolute path to $0."
 fi
 
+# Check if the INSTALL_PREFIX argument is provided
+if [ -n "$1" ] && [[ "$1" == INSTALL_PREFIX=* ]]; then
+    INSTALL_PREFIX="${1#INSTALL_PREFIX=}"
+    shift
+fi
+
+# Echo INSTALL_PREFIX if provided
+if [ -z "$INSTALL_PREFIX" ]; then
+    INSTALL_PREFIX="/usr/local/bin/"
+fi
+
+trace_to_csv=$INSTALL_PREFIX'trace_to_csv'
+
+# Check if the provided path exists and trace_to_csv can be called
+if [ -f "$trace_to_csv" ]; then
+    echo "$trace_to_csv found."
+else
+    echo "Error: $trace_to_csv not found. Abort!"
+    exit 1
+fi
+
 # Get the lft files
 lft_files_list=$@
 
@@ -75,7 +96,7 @@ rti_csv_file=''
 for each_lft_file in $lft_files_list
     do
         # Tranform to csv
-        ${base}/bin/trace_to_csv $each_lft_file
+        $trace_to_csv $each_lft_file
         # Get the file name
         csv=${each_lft_file%.*}
         if [ $csv == 'rti' ]

util/tracing/visualization/README.md

@@ -30,6 +30,10 @@ Once the federation stopped executing, run `fedsd` on all generated `.lft` files
 ```
 $ fedsd *.lft
 ```
+In case `trace_to_csv` executable is in a different location, other than `/usr/local/bin/`, then use the `INSTALL_PREFIX` flag, as follows:
+```
+fedsd INSTALL_PREFIX=~/.local/bin/ *.lft 
+```
 
 The output is an html file named `trace_svg.html` (in the current directory) that contains the sequence of interactions
 between the federates and the RTI.