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src/main/java/server/ChunkedCompressedChecksumFileReader.java

@@ -2,16 +2,13 @@ package server;
 
 import io.opentelemetry.api.trace.Span;
 import io.opentelemetry.api.trace.Tracer;
-import io.opentelemetry.context.Context;
 import io.opentelemetry.context.Scope;
 import net.jpountz.xxhash.StreamingXXHash64;
-import shared.ArrayData;
 import shared.FileUtil;
 
 import java.io.*;
 import java.nio.file.Files;
 import java.nio.file.Paths;
-import java.util.concurrent.TimeUnit;
 
 public class ChunkedCompressedChecksumFileReader {
 
@@ -20,6 +17,14 @@ public class ChunkedCompressedChecksumFileReader {
     private final DataOutputStream fileOutputWriter;
     private final long seed;
 
+    private Span currentSpan = null;
+    private Scope currentScope = null;
+    private long count = 0;
+    private static final long MAX_COUNT = 50;
+
+    private long uncompressed_bytes = 0;
+    private long compressed_bytes = 0;
+
     public ChunkedCompressedChecksumFileReader(DataInputStream networkStreamReader, String fileOutputPath, long seed) throws IOException {
         this.networkStreamReader = networkStreamReader;
         this.streamHash = FileUtil.XX_HASH_FACTORY.newStreamingHash64(seed);
@@ -28,26 +33,36 @@ public class ChunkedCompressedChecksumFileReader {
     }
 
     public FileHeader readChunk(Tracer trace, Span sp) throws IOException {
-        Span gf = trace.spanBuilder("Chunk Read").startSpan();
-        FileHeader header = readHeader();
-        gf.setAttribute("Read Uncompressed", header.getUncompressed());
-        gf.setAttribute("Read Compressed", header.getCompressed());
-        gf.setAttribute("Read Hash", header.getHash());
-        try (Scope scope = gf.makeCurrent()) {
-            if (header.getUncompressed() == 0)
-                return header;
-            gf.addEvent("Read Data");
-            byte[] data = readSome(header);
-            gf.addEvent("Decompress Data");
-            byte[] decompressed = decompress(header, data);
-            gf.addEvent("Hash");
-            hash(header, decompressed);
-            gf.addEvent("Write");
-            fileOutputWriter.write(decompressed, 0, decompressed.length);
-            gf.addEvent("End");
-        } finally {
-            gf.end();
+        if (++count >= MAX_COUNT) {
+            currentSpan.addEvent("--{End Read}--");
+            currentScope.close();
+            currentSpan.end();
+            currentSpan = null;
+            currentScope = null;
         }
+        if (currentSpan == null) {
+            count = 0;
+            currentSpan = trace.spanBuilder("Chunk Read").startSpan();
+            currentScope = currentSpan.makeCurrent();
+        }
+        FileHeader header = readHeader();
+        uncompressed_bytes += header.getUncompressed();
+        compressed_bytes += header.getCompressed();
+        currentSpan.addEvent("--{Begin Read}--");
+        currentSpan.addEvent("Attribute: Read Uncompressed = " + header.getUncompressed());
+        currentSpan.addEvent("Attribute: Read Compressed = " + header.getCompressed());
+        currentSpan.addEvent("Attribute: Compression Ratio = " + ((double)header.getUncompressed() / header.getCompressed()));
+        currentSpan.addEvent("Attribute: Read Hash = " + header.getHash());
+        if (header.getUncompressed() == 0)
+            return header;
+        currentSpan.addEvent("Read Data");
+        byte[] data = readSome(header);
+        currentSpan.addEvent("Decompress Data");
+        byte[] decompressed = decompress(header, data);
+        currentSpan.addEvent("Hash");
+        hash(header, decompressed);
+        currentSpan.addEvent("Write");
+        fileOutputWriter.write(decompressed, 0, decompressed.length);
         return header;
     }
 
@@ -57,6 +72,21 @@ public class ChunkedCompressedChecksumFileReader {
             throw new RuntimeException("Stream total hash doesn't match the client's sent hash!");
         fileOutputWriter.flush();
         fileOutputWriter.close();
+        currentSpan.addEvent("--{End Read}--");
+        currentScope.close();
+        currentSpan.end();
+    }
+
+    public long getCompressedBytes(){
+        return compressed_bytes;
+    }
+
+    public long getUncompressedBytes(){
+        return uncompressed_bytes;
+    }
+
+    public double getRatio(){
+        return (double) uncompressed_bytes / (double) compressed_bytes;
     }
 
     private FileHeader readHeader() throws IOException {

src/main/java/server/Connection.java

@@ -51,19 +51,20 @@ public class Connection implements Runnable {
                 }
                 try {
                     if (in.available() > 0) {
-                        fileSend.addEvent("File Received");
-                        Span fileIn = trace.spanBuilder("File Received").setAttribute("Files Received", filesReceived).startSpan();
-                        try (Scope s = fileIn.makeCurrent()){
-                            byte command = in.readByte();
+                        byte command = in.readByte();
 
-                            if (command == FileUtil.COMMAND.CLOSE.type) {
-                                System.out.println("Client sent disconnect signal!");
-                                break;
-                            }
-                            if (command == FileUtil.COMMAND.WRITE.type)
+                        if (command == FileUtil.COMMAND.CLOSE.type) {
+                            System.out.println("Client sent disconnect signal!");
+                            break;
+                        }
+                        if (command == FileUtil.COMMAND.WRITE.type) {
+                            fileSend.addEvent("File Received");
+                            Span fileIn = trace.spanBuilder("File Received").setAttribute("Files Received", filesReceived).startSpan();
+                            try (Scope s = fileIn.makeCurrent()) {
                                 FileUtil.receive(in, trace, fileIn);
-                        } finally {
-                            fileIn.end();
+                            } finally {
+                                fileIn.end();
+                            }
                         }
                     }
                 } catch (IOException e) {

src/main/java/server/Server.java

@@ -24,7 +24,7 @@ public class Server {
 
     public static volatile boolean running = true;
 
-    private static final OpenTelemetry ot = OTelUtils.create();
+    private static final OpenTelemetry ot = OTelUtils.create("CumServer");
 
     public Server() {
         Tracer main = ot.getTracer("Main Server", "0.69");

src/main/java/shared/FileUtil.java

@@ -19,7 +19,7 @@ import java.util.concurrent.TimeUnit;
 public class FileUtil {
 
     // do not change it breaks stuff
-    protected static final int READER_SIZE = 131072;
+    protected static final int READER_SIZE = 65000;
     public static final long SEED = 691;
 
     private static final LZ4Factory LZ_FACTORY = LZ4Factory.fastestInstance();
@@ -77,6 +77,9 @@ public class FileUtil {
                     break;
                 }
             }
+            sp.setAttribute("Data Read Uncompressed Bytes", reader.getUncompressedBytes());
+            sp.setAttribute("Data Read Compressed Bytes", reader.getCompressedBytes());
+            sp.setAttribute("Data Compression Ratio", reader.getRatio());
             reader.close();
             System.out.println("Writing " + path + " complete");
             sp.addEvent("File Written");

src/main/java/shared/OTelUtils.java

@@ -39,8 +39,8 @@ public class OTelUtils {
                 .buildAndRegisterGlobal();
     }
 
-    public static OpenTelemetry create(){
-        Resource resource = Resource.getDefault().toBuilder().put(ResourceAttributes.SERVICE_NAME.getKey(), "cum").put(ResourceAttributes.SERVICE_VERSION.getKey(), "0.1.0").build();
+    public static OpenTelemetry create(String name){
+        Resource resource = Resource.getDefault().toBuilder().put(ResourceAttributes.SERVICE_NAME.getKey(), name).put(ResourceAttributes.SERVICE_VERSION.getKey(), "1.3.37").build();
 
         SpanExporter otlpExporter = OtlpGrpcSpanExporter.builder()
                 .setEndpoint("http://sc.on.underlying.skynet.tpgc.me:4317")
@@ -49,7 +49,7 @@ public class OTelUtils {
 
         BatchSpanProcessor batchSpanProcessor = BatchSpanProcessor.builder(otlpExporter)
                 .setMaxQueueSize(2048)
-                .setMaxExportBatchSize(512) // Example max export batch size
+                .setMaxExportBatchSize(512)
                 .build();
 
         SdkTracerProvider sdkTracerProvider = SdkTracerProvider.builder()