Process plugins - Introduce Wireguard process plugin

Author: Zainullin Damir

src/plugins/process/wg/CMakeLists.txt

@@ -1,17 +1,25 @@
 project(ipfixprobe-process-wg VERSION 1.0.0 DESCRIPTION "ipfixprobe-process-wg plugin")
 
 add_library(ipfixprobe-process-wg MODULE
-	src/wg.cpp
-	src/wg.hpp
+	src/wireguard.cpp
+	src/wireguard.hpp
+	src/wireguardContext.hpp
+	src/wireguardFields.hpp
+	src/wireguardPacketSize.hpp
+	src/wireguardPacketType.hpp
 )
 
 set_target_properties(ipfixprobe-process-wg PROPERTIES
 	CXX_VISIBILITY_PRESET hidden
 	VISIBILITY_INLINES_HIDDEN YES
 )
 
-target_include_directories(ipfixprobe-process-wg PRIVATE
+target_include_directories(ipfixprobe-process-wg PRIVATE 
 	${CMAKE_SOURCE_DIR}/include/
+	${CMAKE_SOURCE_DIR}/include/ipfixprobe/processPlugin
+	${CMAKE_SOURCE_DIR}/include/ipfixprobe/pluginFactory
+	${CMAKE_SOURCE_DIR}/src/plugins/process/common
+	${adaptmon_SOURCE_DIR}/lib/include/public/
 )
 
 if(ENABLE_NEMEA)

src/plugins/process/wg/README.md

@@ -0,0 +1,32 @@
+# Wireguard Plugin
+
+Analyzes connections to identify WireGuard traffic.
+
+## Features
+
+- Calculates and exports confidence that given flow is WireGuard with extracted peer information.
+
+## Output Fields
+
+| Field Name      | Data Type  | Description                                                      |
+| --------------- | ---------- | ---------------------------------------------------------------- |
+| `WG_CONF_LEVEL` | `uint8_t`  | Confidence that given flow is WireGuard as a percentage (0-100). |
+| `WG_SRC_PEER`   | `uint32_t` | Extracted WireGuard peer identifier from source IP address.      |
+| `WG_DST_PEER`   | `uint32_t` | Extracted WireGuard peer identifier from destination IP address. |
+
+## Usage
+
+### YAML Configuration
+
+Add the plugin to your ipfixprobe YAML configuration:
+
+```yaml
+process_plugins:
+  - wg
+```
+
+### CLI Usage
+
+You can also enable the plugin directly from the command line:
+
+`ipfixprobe -p wg ...`