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zad2: SOUNDLEVELMONITOR : import java.io.File; import java.io.FileNotFoundException; import java.io.FileWriter; import java.io.IOException; import java.util.Scanner; public class SoundLevelMonitor { public static void main(String[] args) { while (true) { try { File soundFile = new File("soundfile"); Scanner scanner = new Scanner(soundFile); int sum = 0; while (scanner.hasNextInt()) { sum += scanner.nextInt(); } scanner.close(); int avg = sum / 10; String level; if (avg >= 40 && avg < 60) { level = "LOW"; } else if (avg >= 60 && avg < 80) { level = "MEDIUM"; } else { level = "HIGH"; } File noiseFile = new File("noisepollution"); FileWriter writer = new FileWriter(noiseFile); writer.write(level); writer.flush(); writer.close(); // Close the FileWriter Thread.sleep(3000); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (InterruptedException e) { throw new RuntimeException(e); } } } } DOCKER : FROM eclipse-temurin WORKDIR /usr/src/myapp COPY . . RUN mkdir data RUN javac SoundLevelMonitor.java CMD ["java", "SoundLevelMonitor"] SOUND SENSOR : import java.io.FileWriter; import java.io.IOException; import java.util.Random; public class SoundLevelSensor { public static void main(String[] args) { try { FileWriter writer = new FileWriter("soundlevel"); Random random = new Random(); while (true) { for (int i = 0; i < 10; i++) { int soundLevel = random.nextInt(61) + 40; // Generating random number between 40 and 100 writer.write(soundLevel + " "); } writer.write("\n"); // New line after every 10 numbers writer.flush(); Thread.sleep(20000); // Wait for 20 seconds } } catch (IOException | InterruptedException e) { e.printStackTrace(); } } } FROM eclipse-temurin WORKDIR /usr/src/myapp COPY . . RUN mkdir data RUN javac SoundLevelMonitor.java CMD ["java", "SoundLevelMonitor"] version: '3.0' services: sound-level-sensor: build: context: ./Sound-sensor dockerfile: Dockerfile volumes: - ./Sound-sensor:/app/ sound-level-monitor: build: context: ./Sound-monitor dockerfile: Dockerfile volumes: - ./Sound-monitor:/app/ - ./Sound-sensor:/app/ depends_on: - sound-level-sensor ========================= ZAD3: import java.io.File; import java.io.FileNotFoundException; import java.io.FileWriter; import java.io.IOException; import java.util.Scanner; public class SoundLevelMonitorr { public static void main(String[] args) { while (true) { try { File soundFile = new File("soundfile"); Scanner scanner = new Scanner(soundFile); int sum = 0; while (scanner.hasNextInt()) { sum += scanner.nextInt(); } scanner.close(); int avg = sum / 10; String level; // Читање на опкружувачките променливи int lowSoundLevel = Integer.parseInt(System.getenv("LOW_SOUNDLEVEL")); int mediumSoundLevel = Integer.parseInt(System.getenv("MEDIUM_SOUNDLEVEL")); int highSoundLevel = Integer.parseInt(System.getenv("HIGH_SOUNDLEVEL")); if (avg >= lowSoundLevel && avg < mediumSoundLevel) { level = "LOW"; } else if (avg >= mediumSoundLevel && avg < highSoundLevel) { level = "MEDIUM"; } else { level = "HIGH"; } File noiseFile = new File("noisepollution"); FileWriter writer = new FileWriter(noiseFile); writer.write(level); writer.flush(); writer.close(); // Close the FileWriter Thread.sleep(3000); } catch (FileNotFoundException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } catch (InterruptedException e) { throw new RuntimeException(e); } } } } FROM eclipse-temurin WORKDIR /usr/src/myapp COPY . . RUN mkdir data RUN javac SoundLevelMonitorr.java ENV LOW_SOUNDLEVEL 40 ENV MEDIUM_SOUNDLEVEL 60 ENV HIGH_SOUNDLEVEL 80 CMD ["java", "SoundLevelMonitorr"] sensor : import java.io.FileWriter; import java.io.IOException; import java.util.Random; public class SoundLevelSensorr { public static void main(String[] args) { try { FileWriter writer = new FileWriter("soundlevel"); Random random = new Random(); while (true) { for (int i = 0; i < 10; i++) { int soundLevel = random.nextInt(61) + 40; writer.write(soundLevel + " "); } writer.write("\n"); // New line after every 10 numbers writer.flush(); Thread.sleep(20000); // Wait for 20 seconds } } catch (IOException | InterruptedException e) { e.printStackTrace(); } } } FROM eclipse-temurin WORKDIR /usr/src/myapp COPY . . RUN mkdir data RUN javac SoundLevelMonitor.java CMD ["java", "SoundLevelMonitor"] #NETWORK city-noisepollution-network services: sound-level-sensor2: build: context: ./Sound-sensor2 dockerfile: Dockerfile environment: - LOW_SOUNDLEVEL=40 - MEDIUM_SOUNDLEVEL=60 - HIGH_SOUNDLEVEL=80 volumes: - ./Sound-sensor2:/app/ networks: - city-noisepollution-network ports: - "80:80" sound-level-monitor2: build: context: ./Sound-monitor2 dockerfile: Dockerfile environment: - LOW_SOUNDLEVEL=40 - MEDIUM_SOUNDLEVEL=60 - HIGH_SOUNDLEVEL=80 volumes: - ./Sound-monitor2:/app/ - ./Sound-sensor2:/app/ depends_on: - sound-level-sensor2 networks: - city-noisepollution-network ports: - "8080:8080" networks: city-noisepollution-network: driver: bridge
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