Author: remm
Date: Mon Dec 1 22:35:30 2014
New Revision: 1642773
URL: http://svn.apache.org/r1642773
Log:
Move the offending code to the server. Avoid sending a message when nothing has
actually been written.
Modified:
tomcat/trunk/java/org/apache/tomcat/websocket/WsFrameBase.java
tomcat/trunk/java/org/apache/tomcat/websocket/WsRemoteEndpointImplBase.java
Modified: tomcat/trunk/java/org/apache/tomcat/websocket/WsFrameBase.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/websocket/WsFrameBase.java?rev=1642773&r1=1642772&r2=1642773&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/websocket/WsFrameBase.java (original)
+++ tomcat/trunk/java/org/apache/tomcat/websocket/WsFrameBase.java Mon Dec 1
22:35:30 2014
@@ -390,10 +390,8 @@ public abstract class WsFrameBase {
messageBufferText.toString(), last);
} else {
// Caller ensures last == true if this branch is used
- if (messageBufferText.remaining() > 0) {
- ((MessageHandler.Whole<String>) textMsgHandler).onMessage(
- messageBufferText.toString());
- }
+ ((MessageHandler.Whole<String>) textMsgHandler).onMessage(
+ messageBufferText.toString());
}
} catch (Throwable t) {
handleThrowableOnSend(t);
@@ -585,9 +583,7 @@ public abstract class WsFrameBase {
((MessageHandler.Partial<ByteBuffer>)
binaryMsgHandler).onMessage(msg, last);
} else {
// Caller ensures last == true if this branch is used
- if (msg.remaining() > 0) {
- ((MessageHandler.Whole<ByteBuffer>)
binaryMsgHandler).onMessage(msg);
- }
+ ((MessageHandler.Whole<ByteBuffer>)
binaryMsgHandler).onMessage(msg);
}
} catch(Throwable t) {
handleThrowableOnSend(t);
Modified:
tomcat/trunk/java/org/apache/tomcat/websocket/WsRemoteEndpointImplBase.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/tomcat/websocket/WsRemoteEndpointImplBase.java?rev=1642773&r1=1642772&r2=1642773&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/tomcat/websocket/WsRemoteEndpointImplBase.java
(original)
+++ tomcat/trunk/java/org/apache/tomcat/websocket/WsRemoteEndpointImplBase.java
Mon Dec 1 22:35:30 2014
@@ -875,12 +875,13 @@ public abstract class WsRemoteEndpointIm
}
- private class WsOutputStream extends OutputStream {
+ private static class WsOutputStream extends OutputStream {
private final WsRemoteEndpointImplBase endpoint;
private final ByteBuffer buffer =
ByteBuffer.allocate(Constants.DEFAULT_BUFFER_SIZE);
private final Object closeLock = new Object();
private volatile boolean closed = false;
+ private volatile boolean used = false;
public WsOutputStream(WsRemoteEndpointImplBase endpoint) {
this.endpoint = endpoint;
@@ -913,6 +914,7 @@ public abstract class WsRemoteEndpointIm
throw new IndexOutOfBoundsException();
}
+ used = true;
if (buffer.remaining() == 0) {
flush();
}
@@ -951,9 +953,11 @@ public abstract class WsRemoteEndpointIm
}
private void doWrite(boolean last) throws IOException {
- buffer.flip();
- endpoint.startMessageBlock(Constants.OPCODE_BINARY, buffer, last);
- stateMachine.complete(last);
+ if (used) {
+ buffer.flip();
+ endpoint.startMessageBlock(Constants.OPCODE_BINARY, buffer,
last);
+ }
+ endpoint.stateMachine.complete(last);
buffer.clear();
}
}
@@ -965,6 +969,7 @@ public abstract class WsRemoteEndpointIm
private final CharBuffer buffer =
CharBuffer.allocate(Constants.DEFAULT_BUFFER_SIZE);
private final Object closeLock = new Object();
private volatile boolean closed = false;
+ private volatile boolean used = false;
public WsWriter(WsRemoteEndpointImplBase endpoint) {
this.endpoint = endpoint;
@@ -984,6 +989,7 @@ public abstract class WsRemoteEndpointIm
throw new IndexOutOfBoundsException();
}
+ used = true;
if (buffer.remaining() == 0) {
flush();
}
@@ -1022,9 +1028,13 @@ public abstract class WsRemoteEndpointIm
}
private void doWrite(boolean last) throws IOException {
- buffer.flip();
- endpoint.sendPartialString(buffer, last);
- buffer.clear();
+ if (used) {
+ buffer.flip();
+ endpoint.sendPartialString(buffer, last);
+ buffer.clear();
+ } else {
+ endpoint.stateMachine.complete(last);
+ }
}
}
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