refactor(userspace/falco): rename stats writer source files

Signed-off-by: Jason Dellaluce <jasondellaluce@gmail.com>

userspace/falco/CMakeLists.txt

@@ -49,7 +49,7 @@ set(
   outputs_stdout.cpp
   outputs_syslog.cpp
   event_drops.cpp
-  statsfilewriter.cpp
+  stats_writer.cpp
   falco.cpp
 )
 

userspace/falco/app_actions/process_events.cpp

@@ -26,7 +26,7 @@ limitations under the License.
 #ifndef MINIMAL_BUILD
 #include "webserver.h"
 #endif
-#include "statsfilewriter.h"
+#include "stats_writer.h"
 #include "application.h"
 #include "falco_outputs.h"
 #include "token_bucket.h"

userspace/falco/application.h

@@ -17,7 +17,7 @@ limitations under the License.
 #pragma once
 
 #include "configuration.h"
-#include "statsfilewriter.h"
+#include "stats_writer.h"
 #ifndef MINIMAL_BUILD
 #include "grpc_server.h"
 #include "webserver.h"

userspace/falco/stats_writer.cpp

@@ -19,7 +19,7 @@ limitations under the License.
 #include <nlohmann/json.hpp>
 #include <atomic>
 
-#include "statsfilewriter.h"
+#include "stats_writer.h"
 #include "logger.h"
 #include "banned.h" // This raises a compilation error when certain functions are used
 #include "logger.h"