From 72231250ed81e10d66bfe70701e64fa5fe50f712 Mon Sep 17 00:00:00 2001
From: Jon Bratseth <bratseth@yahoo-inc.com>
Date: Wed, 15 Jun 2016 23:09:44 +0200
Subject: Publish

---
 .../java/com/yahoo/socket/test/SocketTestApp.java  | 109 +++++++++++++++++++++
 1 file changed, 109 insertions(+)
 create mode 100644 socket_test/src/main/java/com/yahoo/socket/test/SocketTestApp.java

(limited to 'socket_test/src/main/java/com/yahoo/socket')

diff --git a/socket_test/src/main/java/com/yahoo/socket/test/SocketTestApp.java b/socket_test/src/main/java/com/yahoo/socket/test/SocketTestApp.java
new file mode 100644
index 00000000000..dfee51ce52d
--- /dev/null
+++ b/socket_test/src/main/java/com/yahoo/socket/test/SocketTestApp.java
@@ -0,0 +1,109 @@
+// Copyright 2016 Yahoo Inc. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
+package com.yahoo.socket.test;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStream;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.nio.charset.StandardCharsets;
+import java.util.concurrent.Executor;
+import java.util.concurrent.Executors;
+
+/**
+ * @author <a href="mailto:simon@yahoo-inc.com">Simon Thoresen Hult</a>
+ */
+public class SocketTestApp {
+
+    private final static byte[] REQUEST = "foo".getBytes(StandardCharsets.UTF_8);
+    private final static byte[] RESPONSE = "bar".getBytes(StandardCharsets.UTF_8);
+    private static volatile int numRequests = 0;
+
+    public static void main(String[] args) throws IOException {
+        final boolean soLingerOn = Boolean.valueOf(args[0]);
+        final int soLingerTime = Integer.valueOf(args[1]);
+        final int numClients = Integer.valueOf(args[2]);
+        final int sleepMillis = Integer.valueOf(args[3]);
+
+        System.out.println("soLingerOn = " + soLingerOn);
+        System.out.println("soLingerTime = " + soLingerTime);
+        System.out.println("numClients = " + numClients);
+        System.out.println("sleepMillis = " + sleepMillis);
+
+        ServerSocket serverSocket = new ServerSocket(0);
+        for (int i = 0; i < numClients; ++i) {
+            new Client(serverSocket.getLocalPort()).start();
+        }
+
+        Executor workers = Executors.newFixedThreadPool(numClients);
+        long prev = System.currentTimeMillis();
+        while (true) {
+            long next = System.currentTimeMillis();
+            if (next > prev + 1000) {
+                System.err.println((numRequests * 1000) / (next - prev));
+                numRequests = 0;
+                prev = next;
+            }
+            final Socket clientSocket = serverSocket.accept();
+            clientSocket.setSoLinger(soLingerOn, soLingerTime);
+            workers.execute(new Runnable() {
+
+                @Override
+                public void run() {
+                    try {
+                        InputStream in = clientSocket.getInputStream();
+                        for (byte expected : REQUEST) {
+                            int actual = in.read();
+                            if (actual != expected) {
+                                throw new AssertionError("Expected '" + expected + "', got '" + actual + "'.");
+                            }
+                        }
+                        Thread.sleep(sleepMillis);
+                        OutputStream out = clientSocket.getOutputStream();
+                        out.write(RESPONSE);
+                    } catch (Throwable t) {
+                        t.printStackTrace();
+                    } finally {
+                        try {
+                            clientSocket.close();
+                        } catch (IOException e) {
+                            e.printStackTrace();
+                        }
+                    }
+                }
+            });
+        }
+    }
+
+    private static class Client extends Thread {
+
+        final int port;
+
+        Client(int port) throws IOException {
+            this.port = port;
+        }
+
+        @Override
+        public void run() {
+            try {
+                while (!isInterrupted()) {
+                    Socket socket = new Socket("localhost", port);
+                    OutputStream out = socket.getOutputStream();
+                    out.write(REQUEST);
+
+                    InputStream in = socket.getInputStream();
+                    for (byte expected : RESPONSE) {
+                        int actual = in.read();
+                        if (actual != expected) {
+                            throw new AssertionError("Expected '" + expected + "', got '" + actual + "'.");
+                        }
+                    }
+                    socket.close();
+                    ++numRequests;
+                }
+            } catch (Throwable t) {
+                t.printStackTrace();
+            }
+        }
+    }
+}
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