Add 'Programming/PSD/' from commit 'cc1989eb7b6e039cafe95d2bef697ace67cbc1d2'

git-subtree-dir: Programming/PSD
git-subtree-mainline: 781bfce7b1
git-subtree-split: cc1989eb7b

Programming/PSD/.gitignore

@@ -0,0 +1,162 @@
+# Byte-compiled / optimized / DLL files
+__pycache__/
+*.py[cod]
+*$py.class
+
+# C extensions
+*.so
+
+# Distribution / packaging
+.Python
+build/
+develop-eggs/
+dist/
+downloads/
+eggs/
+.eggs/
+lib/
+lib64/
+parts/
+sdist/
+var/
+wheels/
+share/python-wheels/
+*.egg-info/
+.installed.cfg
+*.egg
+MANIFEST
+
+# PyInstaller
+#  Usually these files are written by a python script from a template
+#  before PyInstaller builds the exe, so as to inject date/other infos into it.
+*.manifest
+*.spec
+
+# Installer logs
+pip-log.txt
+pip-delete-this-directory.txt
+
+# Unit test / coverage reports
+htmlcov/
+.tox/
+.nox/
+.coverage
+.coverage.*
+.cache
+nosetests.xml
+coverage.xml
+*.cover
+*.py,cover
+.hypothesis/
+.pytest_cache/
+cover/
+
+# Translations
+*.mo
+*.pot
+
+# Django stuff:
+*.log
+local_settings.py
+db.sqlite3
+db.sqlite3-journal
+
+# Flask stuff:
+instance/
+.webassets-cache
+
+# Scrapy stuff:
+.scrapy
+
+# Sphinx documentation
+docs/_build/
+
+# PyBuilder
+.pybuilder/
+target/
+
+# Jupyter Notebook
+.ipynb_checkpoints
+
+# IPython
+profile_default/
+ipython_config.py
+
+# pyenv
+#   For a library or package, you might want to ignore these files since the code is
+#   intended to run in multiple environments; otherwise, check them in:
+# .python-version
+
+# pipenv
+#   According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
+#   However, in case of collaboration, if having platform-specific dependencies or dependencies
+#   having no cross-platform support, pipenv may install dependencies that don't work, or not
+#   install all needed dependencies.
+#Pipfile.lock
+
+# poetry
+#   Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
+#   This is especially recommended for binary packages to ensure reproducibility, and is more
+#   commonly ignored for libraries.
+#   https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
+#poetry.lock
+
+# pdm
+#   Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
+#pdm.lock
+#   pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
+#   in version control.
+#   https://pdm.fming.dev/latest/usage/project/#working-with-version-control
+.pdm.toml
+.pdm-python
+.pdm-build/
+
+# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
+__pypackages__/
+
+# Celery stuff
+celerybeat-schedule
+celerybeat.pid
+
+# SageMath parsed files
+*.sage.py
+
+# Environments
+.env
+.venv
+env/
+venv/
+ENV/
+env.bak/
+venv.bak/
+
+# Spyder project settings
+.spyderproject
+.spyproject
+
+# Rope project settings
+.ropeproject
+
+# mkdocs documentation
+/site
+
+# mypy
+.mypy_cache/
+.dmypy.json
+dmypy.json
+
+# Pyre type checker
+.pyre/
+
+# pytype static type analyzer
+.pytype/
+
+# Cython debug symbols
+cython_debug/
+
+# PyCharm
+#  JetBrains specific template is maintained in a separate JetBrains.gitignore that can
+#  be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
+#  and can be added to the global gitignore or merged into this file.  For a more nuclear
+#  option (not recommended) you can uncomment the following to ignore the entire idea folder.
+#.idea/

Programming/PSD/flink/anomaly_detector.py

@@ -0,0 +1,20 @@
+from pyflink.datastream import StreamExecutionEnvironment
+from pyflink.datastream.connectors.kafka import FlinkKafkaConsumer
+from pyflink.common.serialization import SimpleStringSchema
+import json
+
+def detect_anomalies(transaction):
+    transaction_data = json.loads(transaction)
+    # Add anomaly detection logic here
+    return transaction_data
+
+env = StreamExecutionEnvironment.get_execution_environment()
+kafka_consumer = FlinkKafkaConsumer(
+    topics='transactions',
+    deserialization_schema=SimpleStringSchema(),
+    properties={'bootstrap.servers': 'localhost:9092', 'group.id': 'anomaly_detection'}
+)
+
+data_stream = env.add_source(kafka_consumer).map(detect_anomalies)
+data_stream.print()
+env.execute("Anomaly Detection")

Programming/PSD/kafka/generate_and_send.py

@@ -0,0 +1,32 @@
+from confluent_kafka import Producer
+import json
+import random
+import time
+
+# Configuration for Kafka Producer
+conf = {'bootstrap.servers': "localhost:9092"}
+producer = Producer(**conf)
+
+def generate_transaction():
+    return {
+        "card_id": random.randint(1000, 9999),
+        "user_id": random.randint(100, 999),
+        "location": {
+            "latitude": round(random.uniform(-90, 90), 6),
+            "longitude": round(random.uniform(-180, 180), 6)
+        },
+        "transaction_value": round(random.uniform(1, 1000), 2),
+        "spending_limit": round(random.uniform(1000, 5000), 2)
+    }
+
+def delivery_report(err, msg):
+    if err is not None:
+        print('Message delivery failed: {}'.format(err))
+    else:
+        print('Message delivered to {} [{}]'.format(msg.topic(), msg.partition()))
+
+while True:
+    transaction = generate_transaction()
+    producer.produce('transactions', key=str(transaction["card_id"]), value=json.dumps(transaction), callback=delivery_report)
+    producer.poll(1)
+    time.sleep(1)  # Adjust the sleep time to control the frequency of transactions

Programming/PSD/kafka/kafka_consumer.py

@@ -0,0 +1,21 @@
+from confluent_kafka import Consumer, KafkaError
+
+conf = {'bootstrap.servers': "localhost:9092",
+        'group.id': "test_group",
+        'auto.offset.reset': 'earliest'}
+
+consumer = Consumer(**conf)
+consumer.subscribe(['transactions'])
+
+while True:
+    msg = consumer.poll(timeout=1.0)
+    if msg is None:
+        continue
+    if msg.error():
+        if msg.error().code() == KafkaError._PARTITION_EOF:
+            continue
+        else:
+            print(msg.error())
+            break
+    print('Received message: {}'.format(msg.value().decode('utf-8')))
+consumer.close()

Programming/PSD/requirements.txt

@@ -0,0 +1,3 @@
+flask
+confluent_kafka
+pyflink

Programming/PSD/run.sh

@@ -0,0 +1,99 @@
+#!/bin/bash
+
+# Function to run a script in the background and save its PID
+run_script() {
+    python $1 &
+    echo $!
+}
+
+# Function to install Kafka
+install_kafka() {
+    if ! command -v kafka-server-start &> /dev/null; then
+        echo "Kafka is not installed. Installing Kafka..."
+        sudo pacman -Syu --noconfirm
+        sudo pacman -S --noconfirm kafka
+    else
+        echo "Kafka is already installed."
+    fi
+}
+
+# Function to install Flink using yay
+install_flink() {
+    if ! command -v flink &> /dev/null; then
+        echo "Flink is not installed. Installing Flink..."
+        if ! command -v yay &> /dev/null; then
+            echo "yay is not installed. Installing yay..."
+            sudo pacman -S --noconfirm git
+            git clone https://aur.archlinux.org/yay.git
+            cd yay
+            makepkg -si --noconfirm
+            cd ..
+            rm -rf yay
+        fi
+        yay -S --noconfirm apache-flink
+    else
+        echo "Flink is already installed."
+    fi
+}
+
+# Ensure Kafka and Flink are installed
+#install_kafka
+#install_flink
+
+# Ensure Kafka and Flink services are running
+echo "Starting Kafka and Flink services..."
+sudo systemctl start kafka
+start-cluster.sh
+
+# Give some time for Kafka and Flink to start
+sleep 1
+
+# Start the Kafka producer (Transaction Simulator)
+echo "Starting transaction simulator..."
+producer_pid=$(run_script './kafka/generate_and_send.py')
+echo "Started transaction simulator with PID $producer_pid"
+
+# Give some time for the producer to start and produce initial transactions
+sleep 1
+
+# Start the Kafka consumer for testing
+echo "Starting Kafka consumer for testing..."
+consumer_pid=$(run_script './kafka/kafka_consumer.py')
+echo "Started Kafka consumer for testing with PID $consumer_pid"
+
+# Give some time for the consumer to read initial transactions
+sleep 1
+
+# Start the Flink job (Anomaly Detector)
+echo "Starting Flink anomaly detector..."
+flink_pid=$(run_script './flink/anomaly_detector.py')
+echo "Started Flink anomaly detector with PID $flink_pid"
+
+# Give some time for the Flink job to start processing
+sleep 1
+
+# Start the Flask application (Alarm Reader and Visualizer)
+echo "Starting Flask alarm reader..."
+flask_pid=$(run_script './webinterface/webinterface.py')
+echo "Started Flask alarm reader with PID $flask_pid"
+
+# Function to handle script termination
+terminate_scripts() {
+    echo "Shutting down..."
+    kill $producer_pid
+    kill $consumer_pid
+    kill $flink_pid
+    kill $flask_pid
+    echo "All processes terminated."
+    # Optionally stop Kafka and Flink services
+    sudo systemctl stop kafka
+    sudo systemctl stop flink
+}
+
+# Trap SIGINT (Ctrl+C) to terminate all subprocesses
+trap terminate_scripts SIGINT
+
+# Keep the main script running to allow all subprocesses to continue executing
+while true; do
+    sleep 1
+done

Programming/PSD/webinterface/webinterface.py

@@ -0,0 +1,31 @@
+from flask import Flask, jsonify
+from confluent_kafka import Consumer, KafkaError
+
+app = Flask(__name__)
+
+@app.route('/alarms', methods=['GET'])
+def get_alarms():
+    alarms = []
+    conf = {'bootstrap.servers': "localhost:9092",
+            'group.id': "alarm_group",
+            'auto.offset.reset': 'earliest'}
+
+    consumer = Consumer(**conf)
+    consumer.subscribe(['alarms'])
+
+    while True:
+        msg = consumer.poll(timeout=1.0)
+        if msg is None:
+            break
+        if msg.error():
+            if msg.error().code() == KafkaError._PARTITION_EOF:
+                continue
+            else:
+                return str(msg.error()), 500
+        alarms.append(json.loads(msg.value().decode('utf-8')))
+    
+    consumer.close()
+    return jsonify(alarms)
+
+if __name__ == '__main__':
+    app.run(debug=True)