Process plugins - Introduce NTP process plugin

Author: Zainullin Damir

src/plugins/process/ntp/CMakeLists.txt

@@ -3,6 +3,9 @@ project(ipfixprobe-process-ntp VERSION 1.0.0 DESCRIPTION "ipfixprobe-process-ntp
 add_library(ipfixprobe-process-ntp MODULE
 	src/ntp.cpp
 	src/ntp.hpp
+	src/ntpContext.hpp
+	src/ntpFields.hpp
+	src/ntpHeader.hpp
 )
 
 set_target_properties(ipfixprobe-process-ntp PROPERTIES
@@ -12,6 +15,10 @@ set_target_properties(ipfixprobe-process-ntp PROPERTIES
 
 target_include_directories(ipfixprobe-process-ntp 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/ntp/README.md

@@ -0,0 +1,44 @@
+# NetworkTime Plugin
+
+Plugin extract and export various data from NTP packets.
+
+## Features
+
+- Calculates and exports statistical properties of the flow based on packet lengths.
+- Expects traffic to be on port 123.
+- Immediately terminates the flow after processing the first NTP packet.
+
+## Output Fields
+
+| Field Name       | Data Type  | Description                                                                                                                                |
+| ---------------- | ---------- | ------------------------------------------------------------------------------------------------------------------------------------------ |
+| `NTP_LEAP`       | `uint8_t`  | Leap from Network Time header.                                                                                                             |
+| `NTP_MODE`       | `uint8_t`  | Mode from Network Time header.                                                                                                             |
+| `NTP_VERSION`    | `uint8_t`  | Version from Network Time header.                                                                                                          |
+| `NTP_STRATUM`    | `uint8_t`  | Stratum used to identify the distance from the reference clock.                                                                            |
+| `NTP_POLL`       | `int8_t`   | The poll interval in seconds (as a power of 2) indicating how often the client queries the server.                                         |
+| `NTP_PRECISION`  | `int8_t`   | The precision of the local clock, i.e., the smallest distinguishable time interval, usually expressed as a negative power of 2 in seconds. |
+| `NTP_DELAY`      | `uint32_t` | The round-trip network delay between the client and the NTP server, measured in milliseconds or seconds.                                   |
+| `NTP_DISPERSION` | `uint32_t` | The estimated error or uncertainty of the server's time relative to the true time, increases over time since last update.                  |
+| `NTP_REF_ID`     | `string`   | Identifier of the reference clock or server the NTP server is synchronized to as a string.                                                 |
+| `NTP_REF`        | `string`   | Timestamp of the last time the server clock was set or corrected as a string.                                                              |
+| `NTP_ORIG`       | `string`   | Timestamp sent by the client in the request packet as a string.                                                                            |
+| `NTP_RECV`       | `string`   | Timestamp when the request was received by the server as a string.                                                                         |
+| `NTP_SENT`       | `string`   | Timestamp when the response was sent by the server as a string.                                                                            |
+
+## Usage
+
+### YAML Configuration
+
+Add the plugin to your ipfixprobe YAML configuration:
+
+```yaml
+process_plugins:
+  - ntp
+```
+
+### CLI Usage
+
+You can also enable the plugin directly from the command line:
+
+`ipfixprobe -p ntp ...`