Merge branch 'release-2.1'

Dockerfile

@@ -1,18 +1,28 @@
-FROM node:16-alpine
+# ---- Base ----
+FROM alpine:3 AS base
 
 # Create app directory
 WORKDIR /usr/src/app
 
+# Copy project file
+COPY package.json .
+
+# Install required apk-packages
+RUN apk add --no-cache nodejs npm tcpdump
+
+
+# ---- Dependencies ----
+FROM base AS dependencies
+
 # Install app dependencies
-COPY package*.json ./
+RUN npm install --only=production
-RUN npm install
 
-# remove development dependencies
-RUN npm prune --production
 
-# Install required apk-packages & delete cache
+# ---- Release ----
-RUN apk update && apk add tcpdump && rm -rf /var/cache/apk/*
+FROM base AS release
 
+# copy from build image
+COPY --from=dependencies /usr/src/app/ ./
 # Bundle app source
 COPY ./src/ .
 

README.md

@@ -17,6 +17,7 @@ Table of contents
   - [1.1. What kind of data](#11-what-kind-of-data)
   - [1.2. Data-Usage](#12-data-usage)
   - [1.3. Tools used](#13-tools-used)
+  - [1.4. Architecture](#14-architecture)
 - [2. Usage/Installation](#2-usageinstallation)
   - [2.1. Prerequisites](#21-prerequisites)
   - [2.2. Choosing an Export-Method](#22-choosing-an-export-method)
@@ -81,6 +82,14 @@ e.g.
 The program uses `tcpdump` for listening in a subProcess and then extract the metadata when packets arrive.
 
 
+<br>
+
+## 1.4. Architecture
+
+![](docs/img/1.4.architecture.png)
+
+The system heavily uses NodeJS-Streams to read, transform and pass data around.
+
 <br>
 
 # 2. Usage/Installation
@@ -256,7 +265,7 @@ Variable|Description
 Variable|Default|Description
 ---|---|---
 `LOGLEVEL`          | INFO              | Loglevel
-`WIFI_INTERFACE`    | wlan0             | Token with write-access
+`WIFI_INTERFACE`    | wlan0             | Wifi-Interface name in Monitor-Mode
 ~~`HOSTNAME`~~          | ~~Device's Hostname~~ | ~~Hostname to use as global hostname-tag~~ *(Unused)*
 
 <br>

build/docker-multiarch.sh

@@ -0,0 +1,9 @@
+TAG="ruakij/rfmon-to-influx"
+PLATFORM="linux/amd64,linux/arm64/v8,linux/arm/v7"
+EXTRA_ARGS="$@"
+
+docker buildx build \
+--platform $PLATFORM \
+--tag $TAG \
+$EXTRA_ARGS \
+.

build/docker-ownarch.sh

@@ -0,0 +1,7 @@
+TAG="ruakij/rfmon-to-influx"
+EXTRA_ARGS="$@"
+
+docker build \
+--tag $TAG \
+$EXTRA_ARGS \
+.

src/streamHandler/PacketStreamFactory.js

@@ -47,6 +47,13 @@ class PacketStreamFactory extends Transform{
     }
 
     _transform(chunk, encoding, next){
+        if(!chunk){
+            const err = "Chunk was invalid!";
+            logger.error(err);
+            next(err);
+            return;
+        }
+
         let packet = new Packet();
         
         const lines = chunk.split("\n");