Author: markt
Date: Fri Mar 2 19:07:01 2012
New Revision: 1296388
URL: http://svn.apache.org/viewvc?rev=1296388&view=rev
Log:
Implement notification of open and close for WebSocket connections.
Patch provided by Johno Crawford.
Modified:
tomcat/trunk/java/org/apache/catalina/websocket/StreamInbound.java
tomcat/trunk/java/org/apache/coyote/AbstractProtocol.java
tomcat/trunk/java/org/apache/coyote/http11/upgrade/UpgradeInbound.java
Modified: tomcat/trunk/java/org/apache/catalina/websocket/StreamInbound.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/catalina/websocket/StreamInbound.java?rev=1296388&r1=1296387&r2=1296388&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/catalina/websocket/StreamInbound.java
(original)
+++ tomcat/trunk/java/org/apache/catalina/websocket/StreamInbound.java Fri Mar
2 19:07:01 2012
@@ -20,6 +20,7 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
+import java.nio.ByteBuffer;
import java.nio.charset.MalformedInputException;
import java.nio.charset.UnmappableCharacterException;
@@ -113,7 +114,7 @@ public abstract class StreamInbound impl
try {
// TODO User defined extensions may define values for rsv
if (frame.getRsv() > 0) {
- getWsOutbound().close(
+ closeOutboundConnection(
Constants.STATUS_PROTOCOL_ERROR, null);
return SocketState.CLOSED;
}
@@ -127,7 +128,7 @@ public abstract class StreamInbound impl
new InputStreamReader(wsIs, new Utf8Decoder());
onTextData(r);
} else if (opCode == Constants.OPCODE_CLOSE){
- getWsOutbound().close(frame);
+ closeOutboundConnection(frame);
return SocketState.CLOSED;
} else if (opCode == Constants.OPCODE_PING) {
getWsOutbound().pong(frame.getPayLoad());
@@ -135,22 +136,22 @@ public abstract class StreamInbound impl
// NO-OP
} else {
// Unknown OpCode
- getWsOutbound().close(
+ closeOutboundConnection(
Constants.STATUS_PROTOCOL_ERROR, null);
return SocketState.CLOSED;
}
} catch (MalformedInputException mie) {
// Invalid UTF-8
- getWsOutbound().close(Constants.STATUS_BAD_DATA, null);
+ closeOutboundConnection(Constants.STATUS_BAD_DATA, null);
return SocketState.CLOSED;
} catch (UnmappableCharacterException uce) {
// Invalid UTF-8
- getWsOutbound().close(Constants.STATUS_BAD_DATA, null);
+ closeOutboundConnection(Constants.STATUS_BAD_DATA, null);
return SocketState.CLOSED;
} catch (IOException ioe) {
// Given something must have gone to reach this point, this
// might not work but try it anyway.
- getWsOutbound().close(Constants.STATUS_PROTOCOL_ERROR, null);
+ closeOutboundConnection(Constants.STATUS_PROTOCOL_ERROR, null);
return SocketState.CLOSED;
}
frame = wsIs.nextFrame(false);
@@ -158,6 +159,49 @@ public abstract class StreamInbound impl
return SocketState.UPGRADED;
}
+ private void closeOutboundConnection(int status, ByteBuffer data) throws
IOException {
+ try {
+ getWsOutbound().close(status, data);
+ } finally {
+ onClose(status);
+ }
+ }
+
+ private void closeOutboundConnection(WsFrame frame) throws IOException {
+ try {
+ getWsOutbound().close(frame);
+ } finally {
+ onClose(Constants.OPCODE_CLOSE);
+ }
+ }
+
+ @Override
+ public void onUpgradeComplete() {
+ onOpen(outbound);
+ }
+
+ /**
+ * Intended to be overridden by sub-classes that wish to be notified
+ * when the outbound connection is established. The default implementation
+ * is a NO-OP.
+ *
+ * @param outbound The outbound WebSocket connection.
+ */
+ protected void onOpen(WsOutbound outbound) {
+ // NO-OP
+ }
+
+ /**
+ * Intended to be overridden by sub-classes that wish to be notified
+ * when the outbound connection is closed. The default implementation
+ * is a NO-OP.
+ *
+ * @param status The status code of the close reason.
+ */
+ protected void onClose(int status) {
+ // NO-OP
+ }
+
/**
* This method is called when there is a binary WebSocket message available
Modified: tomcat/trunk/java/org/apache/coyote/AbstractProtocol.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/AbstractProtocol.java?rev=1296388&r1=1296387&r2=1296388&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/coyote/AbstractProtocol.java (original)
+++ tomcat/trunk/java/org/apache/coyote/AbstractProtocol.java Fri Mar 2
19:07:01 2012
@@ -571,6 +571,7 @@ public abstract class AbstractProtocol i
release(socket, processor, false, false);
// Create the light-weight upgrade processor
processor = createUpgradeProcessor(socket, inbound);
+ inbound.onUpgradeComplete();
}
} while (state == SocketState.ASYNC_END ||
state == SocketState.UPGRADING);
Modified: tomcat/trunk/java/org/apache/coyote/http11/upgrade/UpgradeInbound.java
URL:
http://svn.apache.org/viewvc/tomcat/trunk/java/org/apache/coyote/http11/upgrade/UpgradeInbound.java?rev=1296388&r1=1296387&r2=1296388&view=diff
==============================================================================
--- tomcat/trunk/java/org/apache/coyote/http11/upgrade/UpgradeInbound.java
(original)
+++ tomcat/trunk/java/org/apache/coyote/http11/upgrade/UpgradeInbound.java Fri
Mar 2 19:07:01 2012
@@ -28,6 +28,8 @@ public interface UpgradeInbound {
void setUpgradeProcessor(UpgradeProcessor<?> processor);
+ void onUpgradeComplete();
+
SocketState onData() throws IOException;
void setUpgradeOutbound(UpgradeOutbound upgradeOutbound);
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