1 files changed, 108 insertions, 0 deletions
diff --git a/java/net/SocketOptions.java b/java/net/SocketOptions.java
new file mode 100644
index 000000000..a4d701217
--- /dev/null
+++ b/java/net/SocketOptions.java
@@ -0,0 +1,108 @@
+/*************************************************************************
+/* SocketOptions.java -- Implements options for sockets (duh!)
+/*
+/* Copyright (c) 1998 by Aaron M. Renn (arenn@urbanophile.com)
+/*
+/* This program is free software; you can redistribute it and/or modify
+/* it under the terms of the GNU Library General Public License as published 
+/* by the Free Software Foundation, version 2. (see COPYING.LIB)
+/*
+/* This program is distributed in the hope that it will be useful, but
+/* WITHOUT ANY WARRANTY; without even the implied warranty of
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+/* GNU General Public License for more details.
+/*
+/* You should have received a copy of the GNU General Public License
+/* along with this program; if not, write to the Free Software Foundation
+/* Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307 USA
+/*************************************************************************/
+
+package java.net;
+
+/**
+  * This internal interface is used by SocketImpl to implement options
+  * on sockets.  At least I think.  The javadocs for SocketImpl show it
+  * implementing this interface and the Networking Enhancements description
+  * for Java 1.1 show two methods that aren't in the public javadocs, so
+  * I'll assume this is where they live.
+  *
+  * @version 0.5
+  *
+  * @author Aaron M. Renn (arenn@urbanophile.com)
+  */
+interface SocketOptions
+{
+
+/*************************************************************************/
+
+/*
+ * Static Variables
+ */
+
+// Note that these contant values were determined by experimentation and
+// there is no way to currently know if the symbolic names are the
+// same as in the JDK.
+
+/**
+  * Option id for the SO_LINGER value
+  */
+static final int SO_LINGER = 128;
+
+/**
+  * Option id for the SO_TIMEOUT value
+  */
+static final int SO_TIMEOUT = 4102;
+
+/**
+  * Option id for the TCP_NODELAY value
+  */
+static final int TCP_NODELAY = 1;
+
+/**
+  * Option id for the IP_TTL (time to live) value. 
+  */
+static final int IP_TTL = 7777;
+
+/**
+  * Options id for the IP_MULTICAST_IF value
+  */
+static final int IP_MULTICAST_IF = 7778;
+
+/*************************************************************************/
+
+/*
+ * Interface Methods
+ */
+
+/**
+  * Sets the specified option on a socket to the passed in object.  For
+  * options that take an integer argument, the passed in object is an
+  * Integer.  The option_id parameter is one of the defined constants in
+  * this interface.
+  *
+  * @param option_id The identifier of the option
+  * @param val The value to set the option to
+  *
+  * @exception SocketException If an error occurs
+  */
+abstract void
+setOption(int option_id, Object val) throws SocketException;
+
+/*************************************************************************/
+
+/**
+  * Returns the current setting of the specified option.  The Object returned
+  * will be an Integer for options that have integer values.  The option_id
+  * is one of the defined constants in this interface.
+  *
+  * @param option_id The option identifier
+  *
+  * @return The current value of the option
+  *
+  * @exception SocketException If an error occurs
+  */
+abstract Object
+getOption(int option_id) throws SocketException;
+
+} // interface SocketOptions
+