jdk/src/demo/solaris/jni/Poller/Client.java
changeset 25859 3317bb8137f4
parent 14342 8435a30053c1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/demo/solaris/jni/Poller/Client.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,116 @@
+/*
+ * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ *   - Redistributions of source code must retain the above copyright
+ *     notice, this list of conditions and the following disclaimer.
+ *
+ *   - Redistributions in binary form must reproduce the above copyright
+ *     notice, this list of conditions and the following disclaimer in the
+ *     documentation and/or other materials provided with the distribution.
+ *
+ *   - Neither the name of Oracle nor the names of its
+ *     contributors may be used to endorse or promote products derived
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+ * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
+ * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/*
+ * This source code is provided to illustrate the usage of a given feature
+ * or technique and has been deliberately simplified. Additional steps
+ * required for a production-quality application, such as security checks,
+ * input validation and proper error handling, might not be present in
+ * this sample code.
+ */
+
+
+import  java.util.*;
+import  java.net.*;
+import  java.io.*;
+
+public class Client
+{
+  private final static int BYTESPEROP= PollingServer.BYTESPEROP;
+  private final static int PORTNUM   = PollingServer.PORTNUM;
+  private final static int MAXCONN   = PollingServer.MAXCONN;
+
+  private static Socket[] sockArr = new Socket[MAXCONN];
+  private static int totalConn =10;
+  private static int bytesToSend =1024000;
+  private static int connections = 0;
+  private static int sends = 0;
+
+  public static void main (String args[]) {
+
+    String host = "localhost";
+
+    if (args.length < 1 || args.length > 3) {
+      System.out.println("Usage : java Client <num_connects>");
+      System.out.println("      | java Client <num_connects> <server_name>");
+      System.out.println("      | java Client <num_connects> <server_name>" +
+                         " <max_Kbytes>");
+      System.exit(-1);
+    }
+
+    if (args.length >= 1)
+      totalConn = java.lang.Integer.valueOf(args[0]).intValue();
+    if (args.length >= 2)
+      host = args[1];
+    if (args.length == 3)
+      bytesToSend = java.lang.Integer.valueOf(args[2]).intValue() * 1024;
+
+
+    if (totalConn <= 0 || totalConn > MAXCONN) {
+      System.out.println("Connections out of range.  Terminating.");
+      System.exit(-1);
+    }
+
+    System.out.println("Using " + totalConn + " connections for sending " +
+                       bytesToSend + " bytes to " + host);
+
+
+    try {
+      Socket ctrlSock = new Socket (host, PORTNUM);
+      PrintStream ctrlStream =
+        new PrintStream(ctrlSock.getOutputStream());
+      ctrlStream.println(bytesToSend);
+      ctrlStream.println(totalConn);
+
+      while (connections < totalConn ) {
+        sockArr[connections] = new Socket (host, PORTNUM);
+        connections ++;
+      }
+      System.out.println("Connections made : " + connections);
+
+      byte[] buff = new byte[BYTESPEROP];
+      for (int i = 0; i < BYTESPEROP; i++) // just put some junk in!
+        buff[i] = (byte) i;
+
+      Random rand = new Random(5321L);
+      while (sends < bytesToSend/BYTESPEROP) {
+        int idx = java.lang.Math.abs(rand.nextInt()) % totalConn;
+        sockArr[idx].getOutputStream().write(buff,0,BYTESPEROP);
+        sends++;
+      }
+      // Wait for server to say done.
+      int bytes = ctrlSock.getInputStream().read(buff, 0, BYTESPEROP);
+      System.out.println (" Total connections : " + connections +
+                          " Bytes sent : " + sends * BYTESPEROP +
+                          "...Done!");
+    } catch (Exception e) { e.printStackTrace(); }
+  }
+}