package org.infinispan.client.hotrod.impl.protocol;
import java.io.IOException;
import java.io.OutputStream;
import org.infinispan.client.hotrod.impl.transport.Transport;
import org.infinispan.client.hotrod.impl.transport.tcp.TcpTransport;
import net.jcip.annotations.NotThreadSafe;
/**
* Implements an {@link OutputStream} around a {@link Transport}.
* The transport is marked as <b>busy</b> so that it won't be released automatically
*
* @author Tristan Tarrant
* @since 9.0
*/
@NotThreadSafe
class TransportOutputStream extends OutputStream {
private final Transport transport;
private final Runnable afterClose;
private byte buf[];
private int count;
public TransportOutputStream(Transport transport, Runnable afterClose) {
this.transport = transport;
buf = new byte[TcpTransport.SOCKET_STREAM_BUFFER];
this.afterClose = afterClose;
}
private void internalFlush() throws IOException {
if (count > 0) {
transport.writeArray(buf, 0, count);
transport.flush();
count = 0;
}
}
public void write(int b) throws IOException {
if (count >= buf.length) {
internalFlush();
}
buf[count++] = (byte)b;
}
public void write(byte b[], int off, int len) throws IOException {
if (len >= buf.length) {
internalFlush();
transport.writeArray(b, off, len);
return;
}
if (len > buf.length - count) {
internalFlush();
}
System.arraycopy(b, off, buf, count, len);
count += len;
}
public void flush() throws IOException {
internalFlush();
}
@Override
public void close() throws IOException {
flush();
transport.writeVInt(0); // 0-sized buffer to indicate end of data
transport.flush();
if (afterClose != null) {
afterClose.run();
}
}
}