74 lines
2.3 KiB
Java
74 lines
2.3 KiB
Java
import java.util.List;
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public class ProgressMonitor implements Runnable {
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private final String fileName;
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private final int totalSizeMB;
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private final List<ChunkStatus> chunks;
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private final long monitorDelayMs;
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public ProgressMonitor(DownloadConfig config, List<ChunkStatus> chunks) {
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this.fileName = config.getFileName();
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this.totalSizeMB = config.getTotalSizeMB();
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this.chunks = chunks;
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this.monitorDelayMs = 500;
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}
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@Override
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public void run() {
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// TODO:
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// Repeatedly check chunk progress until all chunks are completed.
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// In each loop:
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// 1. Read the downloaded size from every chunk
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// 2. Add all downloaded amounts to totalDownloadedMB
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// 3. Count completed chunks
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// 4. Print a progress message
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// 5. If completedChunks == chunks.size(), print a final monitor message and stop
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// 6. Otherwise sleep for monitorDelayMs and continue
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while (true) {
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double totalDownloadedMB = 0.0;
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int completedChunks = 0;
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for (ChunkStatus chunk : chunks) {
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totalDownloadedMB += chunk.getDownloadedMB();
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if (chunk.isCompleted()) {
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completedChunks++;
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}
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}
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double percent = 0.0;
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if (totalSizeMB > 0) {
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percent = (totalDownloadedMB * 100.0) / totalSizeMB;
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}
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System.out.printf(
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"Progress for %s: %.1f/%.1f MB (%.2f%%), completed chunks: %d/%d%n",
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fileName,
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totalDownloadedMB,
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(double) totalSizeMB,
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percent,
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completedChunks,
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chunks.size()
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);
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// TODO:
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// If all chunks are completed, print a final message and exit the loop
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if (completedChunks == chunks.size()){
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System.out.println("All cchunks have been downloadeed.Monitor stopped.");
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break;
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}
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try {
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Thread.sleep(monitorDelayMs);
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} catch (InterruptedException e) {
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System.out.println("Progress monitor interrupted.");
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return;
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}
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}
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}
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}
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