Adjust CI Linter Check Parameters (#99)

- Change line limit to 120 chars
- Add linting of .cpp and .h files
- Fix minor style issues from the linter adjustment

Commit log:

* Enfore 120 line length in linter

* Change default linelen

* Fix some line length changes

* Style fix

* Add lint for cpp .h files

CPPLINT.cfg

@@ -1 +1 @@
-linelength=100
+linelength=120

ci/helper-functions.sh

@@ -99,7 +99,7 @@ check_exit_code(){
 
 # runs the linter
 run_linter() {
-    for fn in $(git ls-files *.c | grep -v "cJSON" | grep -v "ndpi"); do
+    for fn in $(git ls-files *.c *.cpp *.h | grep -v "cJSON" | grep -v "ndpi"); do
         python style/gwclint.py --verbose=5 $fn 2>&1 | grep -v "Done" | grep -v "Total errors found: 0" >> $1
     done
 }

examples/speed_tester/speed_tester.c

@@ -361,7 +361,8 @@ run_advanced_rings(struct onvm_nf_info *nf_info) {
                         printf("Time to live exceeded, shutting down\n");
                         keep_running = 0;
                 }
-                if (nf_info->pkt_limit && unlikely(nf->stats.rx >= (uint64_t) nf_info->pkt_limit * PKT_TTL_MULTIPLIER)) {
+                if (nf_info->pkt_limit && unlikely(nf->stats.rx >=
+                                          (uint64_t) nf_info->pkt_limit * PKT_TTL_MULTIPLIER)) {
                         printf("Packet limit exceeded, shutting down\n");
                         keep_running = 0;
                 }

onvm/onvm_mgr/main.c

@@ -106,7 +106,8 @@ master_thread_main(void) {
                 if (stats_destination != ONVM_STATS_NONE)
                         onvm_stats_display_all(sleeptime, verbosity_level);
 
-                if (time_to_live && unlikely((rte_get_tsc_cycles() - start_time) * TIME_TTL_MULTIPLIER / rte_get_timer_hz() >= time_to_live)) {
+                if (time_to_live && unlikely((rte_get_tsc_cycles() - start_time) * TIME_TTL_MULTIPLIER /
+                                             rte_get_timer_hz() >= time_to_live)) {
                         printf("Time to live exceeded, shutting down\n");
                         main_keep_running = 0;
                 }

style/gwclint.py

@@ -124,7 +124,7 @@
 
     linelength=digits
       This is the allowed line length for the project. The default value is
-      80 characters.
+      120 characters.
 
       Examples:
         --linelength=120
@@ -496,7 +496,7 @@
 
 # The allowed line length of files.
 # This is set by --linelength flag.
-_line_length = 80
+_line_length = 120
 
 # The allowed extensions for file names
 # This is set by --extensions flag.
@@ -4455,7 +4455,7 @@ def CheckStyle(filename, clean_lines, linenum, file_extension, nesting_state,
             'Lines should very rarely be longer than %i characters' %
             extended_length)
     elif line_width > _line_length:
-      error(filename, linenum, 'whitespace/line_length', 2,
+      error(filename, linenum, 'whitespace/line_length', 5,
             'Lines should be <= %i characters long' % _line_length)
 
   if (cleansed_line.count(';') > 1 and