NFS server support added to filesystem server, includes mount and portmapper services plus an NFS v3 server.

Not enabled or wired in yet.

git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@4742 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261

source/java/org/alfresco/filesys/server/oncrpc/RpcClient.java

@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2005 Alfresco, Inc.
+ *
+ * Licensed under the Mozilla Public License version 1.1 
+ * with a permitted attribution clause. You may obtain a
+ * copy of the License at
+ *
+ *   http://www.alfresco.org/legal/license.txt
+ *
+ * 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 org.alfresco.filesys.server.oncrpc;
+
+import java.io.*;
+import java.net.*;
+
+/**
+ * RPC Client Class
+ * 
+ * <p>Provides either a socket or datagram connection to an RPC server.
+ * 
+ * @author GKSpencer
+ */
+public abstract class RpcClient {
+
+	//	Network address and port to connect to on the remote RPC server
+
+	private InetAddress m_server;
+	private int m_port;
+
+	//	Protocol type
+
+	private int m_protocol;
+
+	//	Maximum RPC size to send/receive
+
+	private int m_maxRpcSize;
+
+	/**
+	 * Class constructor
+	 *
+	 * @param addr InetAddress
+	 * @param port int
+	 * @param proto int
+	 * @param maxRpcSize int
+	 * @throws IOException
+	 * @throws SocketException
+	 */
+	protected RpcClient(InetAddress addr, int port, int proto, int maxRpcSize) throws IOException, SocketException
+	{
+
+		//	Save the server address, port and the protocol type
+
+		m_server = addr;
+		m_port = port;
+
+		m_protocol = proto;
+
+		//	Set the maximum RPC size to send/recieve
+
+		m_maxRpcSize = maxRpcSize;
+	}
+
+	/**
+	 * Return the maximum RPC size
+	 * 
+	 * @return int
+	 */
+	public final int getMaximumRpcSize()
+	{
+		return m_maxRpcSize;
+	}
+
+	/**
+	 * Return the server address
+	 * 
+	 * @return InetAddress
+	 */
+	public final InetAddress getServerAddress()
+	{
+		return m_server;
+	}
+
+	/**
+	 * Return the server port
+	 * 
+	 * @return int
+	 */
+	public final int getServerPort()
+	{
+		return m_port;
+	}
+
+	/**
+	 * Return the protocol type
+	 * 
+	 * @return int
+	 */
+	public final int isProtocol()
+	{
+		return m_protocol;
+	}
+
+	/**
+	 * Send an RPC request to the server
+	 *
+	 * @param rpc RpcPacket
+	 * @param rxRpc RpcPacket
+	 * @return RpcPacket
+	 * @throws IOException
+	 */
+	public abstract RpcPacket sendRPC(RpcPacket rpc, RpcPacket rxRpc)
+		throws IOException;
+
+	/**
+	 * Close the connection to the remote RPC server
+	 */
+	public abstract void closeConnection();
+
+	/**
+	 * Return the RPC connection details as a string
+	 * 
+	 * @return String
+	 */
+	public String toString()
+	{
+		StringBuffer str = new StringBuffer();
+
+		str.append("[");
+		str.append(isProtocol() == Rpc.TCP ? "TCP:" : "UDP:");
+		str.append(getServerAddress().getHostAddress());
+		str.append(":");
+		str.append(getServerPort());
+
+		str.append(",");
+		str.append(getMaximumRpcSize());
+		str.append("]");
+
+		return str.toString();
+	}
+}