/*+
−
 * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.+
−
 *+
−
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.+
−
 *+
−
 * This code is free software; you can redistribute it and/or modify it+
−
 * under the terms of the GNU General Public License version 2 only, as+
−
 * published by the Free Software Foundation.  Oracle designates this+
−
 * particular file as subject to the "Classpath" exception as provided+
−
 * by Oracle in the LICENSE file that accompanied this code.+
−
 *+
−
 * This code 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+
−
 * version 2 for more details (a copy is included in the LICENSE file that+
−
 * accompanied this code).+
−
 *+
−
 * You should have received a copy of the GNU General Public License version+
−
 * 2 along with this work; if not, write to the Free Software Foundation,+
−
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.+
−
 *+
−
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA+
−
 * or visit www.oracle.com if you need additional information or have any+
−
 * questions.+
−
 *+
−
 */+
−
@@END_COPYRIGHT@@+
−
+
−
#include <stdio.h>+
−
#include <sys/types.h>+
−
#include <sys/socket.h>+
−
#include <netinet/in.h>+
−
#include <netinet/tcp.h>+
−
+
−
/* To be able to name the Java constants the same as the C constants without+
−
   having the preprocessor rewrite those identifiers, add PREFIX_ to all+
−
   identifiers matching a C constant. The PREFIX_ is filtered out in the+
−
   makefile. */+
−
+
−
@@START_HERE@@+
−
+
−
package jdk.internal.net.rdma;+
−
import java.net.SocketOption;+
−
import java.net.StandardSocketOptions;+
−
import java.net.ProtocolFamily;+
−
import java.util.Map;+
−
import java.util.HashMap;+
−
+
−
class RdmaSocketOptionRegistry {+
−
+
−
    private RdmaSocketOptionRegistry() { }+
−
+
−
    private static class RegistryKey {+
−
        private final SocketOption<?> name;+
−
        private final ProtocolFamily family;+
−
        RegistryKey(SocketOption<?> name, ProtocolFamily family) {+
−
            this.name = name;+
−
            this.family = family;+
−
        }+
−
        public int hashCode() {+
−
            return name.hashCode() + family.hashCode();+
−
        }+
−
        public boolean equals(Object ob) {+
−
            if (ob == null) return false;+
−
            if (!(ob instanceof RegistryKey)) return false;+
−
            RegistryKey other = (RegistryKey)ob;+
−
            if (this.name != other.name) return false;+
−
            if (this.family != other.family) return false;+
−
            return true;+
−
        }+
−
    }+
−
+
−
    private static class LazyInitialization {+
−
+
−
        static final Map<RegistryKey,RdmaOptionKey> options = options();+
−
+
−
        private static Map<RegistryKey,RdmaOptionKey> options() {+
−
            Map<RegistryKey,RdmaOptionKey> map =+
−
                new HashMap<RegistryKey,RdmaOptionKey>();+
−
            map.put(new RegistryKey(StandardSocketOptions.PREFIX_SO_SNDBUF,+
−
                RdmaNet.UNSPEC), new RdmaOptionKey(SOL_SOCKET, SO_SNDBUF));+
−
            map.put(new RegistryKey(StandardSocketOptions.PREFIX_SO_RCVBUF,+
−
                RdmaNet.UNSPEC), new RdmaOptionKey(SOL_SOCKET, SO_RCVBUF));+
−
            map.put(new RegistryKey(StandardSocketOptions.PREFIX_SO_REUSEADDR,+
−
                RdmaNet.UNSPEC), new RdmaOptionKey(SOL_SOCKET, SO_REUSEADDR));+
−
            // IPPROTO_TCP is 6+
−
            map.put(new RegistryKey(StandardSocketOptions.PREFIX_TCP_NODELAY,+
−
                RdmaNet.UNSPEC), new RdmaOptionKey(6, TCP_NODELAY));+
−
            return map;+
−
        }+
−
    }+
−
+
−
    public static RdmaOptionKey findOption(SocketOption<?> name,+
−
                                           ProtocolFamily family) {+
−
        RegistryKey key = new RegistryKey(name, family);+
−
        return LazyInitialization.options.get(key);+
−
    }+
−
}+
−