You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
2.1 KiB
55 lines
2.1 KiB
package perf;
|
|
|
|
import java.io.BufferedReader;
|
|
import java.io.BufferedWriter;
|
|
import java.io.InputStreamReader;
|
|
import java.io.OutputStreamWriter;
|
|
import java.net.ServerSocket;
|
|
import java.net.Socket;
|
|
|
|
class TCPPerfServer {
|
|
public static void main(String argv[]) throws Exception {
|
|
int tcpPort = 36039;
|
|
Long clientNumberOfMegabytes;
|
|
|
|
ServerSocket serverSocket = new ServerSocket(tcpPort);
|
|
|
|
System.out.println("TCPPerfServer gestartet. Warte auf eingehende Requests...");
|
|
|
|
while (true) {
|
|
Socket connectionSocket = serverSocket.accept();
|
|
|
|
BufferedReader inFromClient = new BufferedReader(new InputStreamReader(connectionSocket.getInputStream()));
|
|
BufferedWriter outToClient = new BufferedWriter(new OutputStreamWriter(connectionSocket.getOutputStream()));
|
|
|
|
char[] buffer = new char[1024];
|
|
clientNumberOfMegabytes = new Long(inFromClient.readLine());
|
|
|
|
if (clientNumberOfMegabytes == 0) {
|
|
connectionSocket.close();
|
|
break;
|
|
}
|
|
|
|
System.out.println("Request von TCPPerfClient " + connectionSocket.getInetAddress() + ":" + connectionSocket.getPort() + " empfangen. Erzeuge und sende " + clientNumberOfMegabytes + "MB ...");
|
|
|
|
for (long mb = 0; mb < clientNumberOfMegabytes; mb++) {
|
|
long megabyteStartTimeMilli = System.currentTimeMillis();
|
|
for (long segment = 1; segment < 1024; segment++) {
|
|
long segmentStartTimeNano = System.nanoTime();
|
|
outToClient.write(buffer);
|
|
if (clientNumberOfMegabytes == 1) {
|
|
double transferDurationSegment = System.nanoTime() - segmentStartTimeNano;
|
|
//System.out.printf("Dauer pro Segment: %.0f ns, Rate: %.0f KByte/s (MB: %d, Segment: %d)\n", transferDurationSegment, (1024 / (transferDurationSegment / 1000000000)), mb, segment);
|
|
// CSV Output Excel
|
|
System.out.println(mb + "," + segment + "," + transferDurationSegment);
|
|
}
|
|
}
|
|
double transferDurationMB = System.currentTimeMillis() - megabyteStartTimeMilli;
|
|
System.out.printf("1 MB (genauer MiB) gesendet in: %.0f ms, Rate: %.0f Bytes/s (MB: %d)\n", transferDurationMB, ((1024 * 1024) / (transferDurationMB / 1000)), mb);
|
|
}
|
|
System.out.print("\n");
|
|
connectionSocket.close();
|
|
}
|
|
serverSocket.close();
|
|
}
|
|
}
|