101 lines
2.5 KiB
Java
101 lines
2.5 KiB
Java
package biz.nellemann.jnetperf;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import java.io.*;
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import java.net.InetAddress;
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import java.net.ServerSocket;
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import java.net.Socket;
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public class TcpServer extends Thread {
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final Logger log = LoggerFactory.getLogger(TcpServer.class);
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private final int port;
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private ServerSocket socket;
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private DataInputStream in;
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private DataOutputStream out;
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private byte[] inBuffer;
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public TcpServer(int port) throws IOException {
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log.info("TcpServer()");
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this.port = port;
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}
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public void run() {
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try {
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while (true) {
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socket = new ServerSocket(port);
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socket.setSoTimeout(0); // Wait indefinitely
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inBuffer = new byte[Payload.DEFAULT_LENGTH];
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session();
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socket.close();
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}
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} catch(IOException e) {
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log.error(e.getMessage());
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}
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}
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public void session() throws IOException {
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Statistics statistics = new Statistics();
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boolean running = true;
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boolean ackEnd = false;
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Socket server = socket.accept();
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InetAddress address = socket.getInetAddress();
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in = new DataInputStream(server.getInputStream());
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out = new DataOutputStream(server.getOutputStream());
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while (running) {
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Payload payload = receive();
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statistics.transferPacket();
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statistics.transferBytes(payload.getLength());
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if(payload.getType() == PayloadType.HANDSHAKE.getValue()) {
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log.info("Handshake from ... {}", address);
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// Setup to receive larger datagrams
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inBuffer = new byte[payload.getLength()];
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statistics.reset();
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}
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if(payload.getType() == PayloadType.END.getValue()) {
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ackEnd = true;
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}
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// Send ACK
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Payload responsePayload = new Payload(PayloadType.ACK.getValue(), Payload.DEFAULT_LENGTH, payload.getCurPkt(), 1);
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out.write(responsePayload.getPayload());
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statistics.ack();
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statistics.tick();
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if(ackEnd) {
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running = false;
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statistics.printAverage();
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statistics.printSummary();
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}
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}
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in.close();
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out.close();
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server.close();
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}
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private Payload receive() throws IOException {
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in.readFully(inBuffer);
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return new Payload(inBuffer);
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}
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}
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