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From ma...@apache.org
Subject svn commit: r1407619 - /tomcat/trunk/java/org/apache/catalina/websocket/WsOutbound.java
Date Fri, 09 Nov 2012 20:32:02 GMT
Author: markt
Date: Fri Nov  9 20:32:01 2012
New Revision: 1407619

URL: http://svn.apache.org/viewvc?rev=1407619&view=rev
Log:
Fix https://issues.apache.org/bugzilla/show_bug.cgi?id=54127
Add support for sending a WebSocket ping
Patch provided by Sean Winterberger

Modified:
    tomcat/trunk/java/org/apache/catalina/websocket/WsOutbound.java

Modified: tomcat/trunk/java/org/apache/catalina/websocket/WsOutbound.java
URL: http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/websocket/WsOutbound.java?rev=1407619&r1=1407618&r2=1407619&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/websocket/WsOutbound.java (original)
+++ tomcat/trunk/java/org/apache/catalina/websocket/WsOutbound.java Fri Nov  9 20:32:01 2012
@@ -301,6 +301,29 @@ public class WsOutbound {
      * @throws IOException  If an error occurs writing to the client
      */
     public synchronized void pong(ByteBuffer data) throws IOException {
+        sendControlMessage(data, Constants.OPCODE_PONG);
+    }
+
+    /**
+     * Send a ping message to the client
+     *
+     * @param data      Optional message.
+     *
+     * @throws IOException  If an error occurs writing to the client
+     */
+    public synchronized void ping(ByteBuffer data) throws IOException {
+        sendControlMessage(data, Constants.OPCODE_PING);
+    }
+
+    /**
+     * Generic function to send either a ping or a pong.
+     *
+     * @param data      Optional message.
+     * @param opcode    The byte to include as the opcode.
+     *
+     * @throws IOException  If an error occurs writing to the client
+     */
+    private synchronized void sendControlMessage(ByteBuffer data, byte opcode) throws IOException
{
 
         if (closed) {
             throw new IOException(sm.getString("outbound.closed"));
@@ -308,7 +331,7 @@ public class WsOutbound {
 
         doFlush(true);
 
-        upgradeOutbound.write(0x8A);
+        upgradeOutbound.write(0x80 | opcode);
         if (data == null) {
             upgradeOutbound.write(0);
         } else {



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