Removed legacy code that wasn't being used.

[openflowjava.git] / third-party / openflow-codec / src / main / java / org / openflow / codec / io / OFMessageAsyncStream.java

diff --git a/third-party/openflow-codec/src/main/java/org/openflow/codec/io/OFMessageAsyncStream.java b/third-party/openflow-codec/src/main/java/org/openflow/codec/io/OFMessageAsyncStream.java
deleted file mode 100644 (file)
index 035ba65..0000000
--- a/third-party/openflow-codec/src/main/java/org/openflow/codec/io/OFMessageAsyncStream.java
+++ /dev/null
@@ -1,118 +0,0 @@
-/**
- *
- */
-package org.openflow.codec.io;
-
-import java.io.IOException;
-import java.nio.ByteBuffer;
-import java.nio.channels.SocketChannel;
-import java.util.List;
-
-import org.openflow.codec.protocol.OFPMessage;
-import org.openflow.codec.protocol.factory.OFPMessageFactory;
-
-/**
- * Asynchronous OpenFlow message marshalling and unmarshalling stream wrapped
- * around an NIO SocketChannel
- *
- * @author Rob Sherwood (rob.sherwood@stanford.edu)
- * @author David Erickson (daviderickson@cs.stanford.edu)
- *
- */
-public class OFMessageAsyncStream implements OFMessageInStream, OFMessageOutStream {
-    static public int defaultBufferSize = 1048576; // 1MB
-
-    protected ByteBuffer inBuf, outBuf;
-    protected OFPMessageFactory messageFactory;
-    protected SocketChannel sock;
-    protected int partialReadCount = 0;
-
-    public OFMessageAsyncStream(SocketChannel sock, OFPMessageFactory messageFactory) throws IOException {
-        inBuf = ByteBuffer.allocateDirect(OFMessageAsyncStream.defaultBufferSize);
-        outBuf = ByteBuffer.allocateDirect(OFMessageAsyncStream.defaultBufferSize);
-        this.sock = sock;
-        this.messageFactory = messageFactory;
-        this.sock.configureBlocking(false);
-    }
-
-    @Override
-    public List<OFPMessage> read() throws IOException {
-        return this.read(0);
-    }
-
-    @Override
-    public List<OFPMessage> read(int limit) throws IOException {
-        List<OFPMessage> l;
-        int read = sock.read(inBuf);
-        if (read == -1)
-            return null;
-        inBuf.flip();
-        IDataBuffer buffer = new ByteDataBuffer(inBuf);
-        l = messageFactory.parseMessages(buffer, limit);
-        if (inBuf.hasRemaining())
-            inBuf.compact();
-        else
-            inBuf.clear();
-        return l;
-    }
-
-    protected void appendMessageToOutBuf(OFPMessage m) throws IOException {
-        int msglen = m.getLengthU();
-        if (outBuf.remaining() < msglen) {
-            throw new IOException("Message length exceeds buffer capacity: " + msglen);
-        }
-        IDataBuffer buffer = new ByteDataBuffer(outBuf);
-        m.writeTo(buffer);
-    }
-
-    /**
-     * Buffers a single outgoing openflow message
-     */
-    @Override
-    public void write(OFPMessage m) throws IOException {
-        appendMessageToOutBuf(m);
-    }
-
-    /**
-     * Buffers a list of OpenFlow messages
-     */
-    @Override
-    public void write(List<OFPMessage> l) throws IOException {
-        for (OFPMessage m : l) {
-            appendMessageToOutBuf(m);
-        }
-    }
-
-    /**
-     * Flush buffered outgoing data. Keep flushing until needsFlush() returns
-     * false. Each flush() corresponds to a SocketChannel.write(), so this is
-     * designed for one flush() per select() event
-     */
-    public void flush() throws IOException {
-        outBuf.flip(); // swap pointers; lim = pos; pos = 0;
-        sock.write(outBuf); // write data starting at pos up to lim
-        outBuf.compact();
-    }
-
-    /**
-     * Is there outgoing buffered data that needs to be flush()'d?
-     */
-    public boolean needsFlush() {
-        return outBuf.position() > 0;
-    }
-
-    /**
-     * @return the messageFactory
-     */
-    public OFPMessageFactory getMessageFactory() {
-        return messageFactory;
-    }
-
-    /**
-     * @param messageFactory
-     *            the messageFactory to set
-     */
-    public void setMessageFactory(OFPMessageFactory messageFactory) {
-        this.messageFactory = messageFactory;
-    }
-}