Java: introducing websocket support.

1 files changed, 75 insertions, 0 deletions

diff --git a/src/java/nginx/unit/websocket/WsRemoteEndpointImplClient.java b/src/java/nginx/unit/websocket/WsRemoteEndpointImplClient.java
new file mode 100644
index 00000000..70b66789
--- /dev/null
+++ b/src/java/nginx/unit/websocket/WsRemoteEndpointImplClient.java
@@ -0,0 +1,75 @@
+/*
+ *  Licensed to the Apache Software Foundation (ASF) under one or more
+ *  contributor license agreements.  See the NOTICE file distributed with
+ *  this work for additional information regarding copyright ownership.
+ *  The ASF licenses this file to You under the Apache License, Version 2.0
+ *  (the "License"); you may not use this file except in compliance with
+ *  the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+package nginx.unit.websocket;
+
+import java.io.IOException;
+import java.nio.ByteBuffer;
+import java.util.concurrent.ExecutionException;
+import java.util.concurrent.TimeUnit;
+import java.util.concurrent.TimeoutException;
+
+import javax.websocket.SendHandler;
+import javax.websocket.SendResult;
+
+public class WsRemoteEndpointImplClient extends WsRemoteEndpointImplBase {
+
+    private final AsyncChannelWrapper channel;
+
+    public WsRemoteEndpointImplClient(AsyncChannelWrapper channel) {
+        this.channel = channel;
+    }
+
+
+    @Override
+    protected boolean isMasked() {
+        return true;
+    }
+
+
+    @Override
+    protected void doWrite(SendHandler handler, long blockingWriteTimeoutExpiry,
+            ByteBuffer... data) {
+        long timeout;
+        for (ByteBuffer byteBuffer : data) {
+            if (blockingWriteTimeoutExpiry == -1) {
+                timeout = getSendTimeout();
+                if (timeout < 1) {
+                    timeout = Long.MAX_VALUE;
+                }
+            } else {
+                timeout = blockingWriteTimeoutExpiry - System.currentTimeMillis();
+                if (timeout < 0) {
+                    SendResult sr = new SendResult(new IOException("Blocking write timeout"));
+                    handler.onResult(sr);
+                }
+            }
+
+            try {
+                channel.write(byteBuffer).get(timeout, TimeUnit.MILLISECONDS);
+            } catch (InterruptedException | ExecutionException | TimeoutException e) {
+                handler.onResult(new SendResult(e));
+                return;
+            }
+        }
+        handler.onResult(SENDRESULT_OK);
+    }
+
+    @Override
+    protected void doClose() {
+        channel.close();
+    }
+}