From 7b70f3c2ef7d4ba0b1a787d5f50db6c44c84bcaa Mon Sep 17 00:00:00 2001
From: Leonardo Grasso <me@leonardograsso.com>
Date: Tue, 22 Sep 2020 17:44:03 +0200
Subject: [PATCH] new(userspace/falco): stdout output C++ impl

Signed-off-by: Leonardo Grasso <me@leonardograsso.com>
---
 userspace/falco/falco_outputs_stdout.cpp | 39 ++++++++++++++++++++++++
 userspace/falco/falco_outputs_stdout.h   | 37 ++++++++++++++++++++++
 2 files changed, 76 insertions(+)
 create mode 100644 userspace/falco/falco_outputs_stdout.cpp
 create mode 100644 userspace/falco/falco_outputs_stdout.h

diff --git a/userspace/falco/falco_outputs_stdout.cpp b/userspace/falco/falco_outputs_stdout.cpp
new file mode 100644
index 00000000..33872826
--- /dev/null
+++ b/userspace/falco/falco_outputs_stdout.cpp
@@ -0,0 +1,39 @@
+/*
+Copyright (C) 2020 The Falco Authors
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#include "falco_outputs_stdout.h"
+#include <iostream>
+#include "banned.h" // This raises a compilation error when certain functions are used
+
+void falco::outputs::output_stdout::output_event(gen_event *evt, std::string &rule, std::string &source,
+						 falco_common::priority_type priority, std::string &format, std::string &msg)
+{
+	output_msg(priority, msg);
+}
+
+void falco::outputs::output_stdout::output_msg(falco_common::priority_type priority, std::string &msg)
+{
+	std::cout << msg + "\n";
+	if(!m_buffered)
+	{
+		std::cout.flush();
+	}
+}
+
+void falco::outputs::output_stdout::cleanup()
+{
+	std::cout.flush();
+}
diff --git a/userspace/falco/falco_outputs_stdout.h b/userspace/falco/falco_outputs_stdout.h
new file mode 100644
index 00000000..80909a37
--- /dev/null
+++ b/userspace/falco/falco_outputs_stdout.h
@@ -0,0 +1,37 @@
+/*
+Copyright (C) 2020 The Falco Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+#pragma once
+
+#include "falco_output.h"
+
+namespace falco
+{
+namespace outputs
+{
+
+class output_stdout : public output
+{
+	void output_event(gen_event *evt, std::string &rule, std::string &source,
+			  falco_common::priority_type priority, std::string &format, std::string &msg);
+
+	void output_msg(falco_common::priority_type priority, std::string &msg);
+
+	void cleanup();
+};
+
+} // namespace outputs
+} // namespace falco