Add logging functionality to the automation script

Author: shivansh

.gitignore

@@ -1,2 +1,5 @@
 # The tests are incomplete
 havercvdfin/
+
+# Ignore the log files
+error.log

run-tests.sh

@@ -1,6 +1,12 @@
 #!/bin/sh
 
-packetdrill=/usr/home/zeebsd/packetdrill/gtests/net/packetdrill/packetdrill
+packetdrill=
+
+if [ -z "$packetdrill" ]
+then
+  printf "Please set the value of \$packetdrill variable to the path of packetdrill binary on your machine.\n"
+  exit
+fi
 
 set blocking/blocking-accept \
   blocking/blocking-read \
@@ -52,25 +58,34 @@ run=0
 skipped=0
 found=0
 
-printf "\nScript Name                                                  Result\n"
-printf "====================================================================\n"
+`rm -f error.log`
+printf "\nScript Name                                             Result\n"
+printf "==============================================================\n"
 for test
 do
-  printf "%-60.60s " $test
+  printf "%-55.55s " $test
   `sleep $delay`
   if [ -e ${test}.pkt ]
   then
-    $packetdrill ${test}.pkt > /dev/null 2>&1
+    `rm -f temp.log`
+    `$packetdrill -v ${test}.pkt >> temp.log 2>&1`
     result="`echo $?`"
     found=1
     if [ $found = 1 ]
     then
       if [ $result = 1 ]
       then
+        `echo Test Name: ${test} >> error.log`
+        `echo -e "---------------------------------------------------------" >> error.log`
+        `cat temp.log >> error.log`
+        `echo -e "" >> error.log`
         printf "FAILED\n"
+        printf "\--------------------------------------------------------------\n"
         failed=`expr $failed + 1`
+        set -- "$@" $test
       else
         printf "PASSED\n"
+        printf "\--------------------------------------------------------------\n"
         passed=`expr $passed + 1`
       fi
       run=`expr $run + 1`
@@ -80,6 +95,7 @@ do
     skipped=`expr $skipped + 1`
   fi
 done
+`rm -f temp.log`
 
 printf "\nSummary\n"
 printf "===========================\n"
@@ -88,3 +104,8 @@ printf "Number of tests run: %6d\n" $run
 printf "Number of tests passed: %3d\n" $passed
 printf "Number of tests failed: %3d\n" $failed
 printf "Number of tests skipped: %2d\n" $skipped
+printf "\nView the log file (error.log) for details\n"
+
+# printf "\nList of failed tests\n"
+# printf "===========================\n"
+# printf '%s\n' "$@"