--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.net/linux/classes/jdk/internal/net/rdma/RdmaSocketProvider.java Sat Jan 26 14:02:35 2019 +0000
@@ -0,0 +1,192 @@
+/*
+ * Copyright (c) 2018, 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.
+ */
+
+package jdk.internal.net.rdma;
+
+import java.io.IOException;
+import java.net.ProtocolFamily;
+import java.net.ServerSocket;
+import java.net.Socket;
+import java.net.SocketException;
+import java.net.SocketImpl;
+import java.net.SocketOption;
+import java.net.SocketOptions;
+import java.net.StandardSocketOptions;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.Set;
+import jdk.net.RdmaSocketOptions;
+
+public class RdmaSocketProvider {
+
+ static class RdmaClientSocketImpl extends RdmaSocketImpl {
+
+ private final Set<SocketOption<?>> options =
+ Set.of(StandardSocketOptions.SO_SNDBUF,
+ StandardSocketOptions.SO_RCVBUF,
+ StandardSocketOptions.SO_REUSEADDR,
+ StandardSocketOptions.TCP_NODELAY,
+ RdmaSocketOptions.RDMA_SQSIZE,
+ RdmaSocketOptions.RDMA_RQSIZE,
+ RdmaSocketOptions.RDMA_INLINE);
+
+ RdmaClientSocketImpl(ProtocolFamily family) {
+ super(family);
+ }
+
+ @Override
+ public Set<SocketOption<?>> supportedOptions() {
+ return options;
+ }
+
+ @Override
+ protected <T> void setOption(SocketOption<T> name, T value)
+ throws IOException {
+ if (!rdmaOptions.isOptionSupported(name)) {
+ int opt;
+ if (name == StandardSocketOptions.SO_SNDBUF) {
+ opt = SocketOptions.SO_SNDBUF;
+ } else if (name == StandardSocketOptions.SO_RCVBUF) {
+ opt = SocketOptions.SO_RCVBUF;
+ } else if (name == StandardSocketOptions.SO_REUSEADDR) {
+ opt = SocketOptions.SO_REUSEADDR;
+ } else if (name == StandardSocketOptions.TCP_NODELAY) {
+ opt = SocketOptions.TCP_NODELAY;
+ } else {
+ throw new UnsupportedOperationException(
+ "unsupported option: " + name);
+ }
+ setOption(opt, value);
+ } else {
+ rdmaOptions.setOption(fd, name, value);
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ protected <T> T getOption(SocketOption<T> name) throws IOException {
+ Object value;
+ if (!rdmaOptions.isOptionSupported(name)) {
+ int opt;
+ if (name == StandardSocketOptions.SO_SNDBUF) {
+ opt = SocketOptions.SO_SNDBUF;
+ } else if (name == StandardSocketOptions.SO_RCVBUF) {
+ opt = SocketOptions.SO_RCVBUF;
+ } else if (name == StandardSocketOptions.SO_REUSEADDR) {
+ opt = SocketOptions.SO_REUSEADDR;
+ } else if (name == StandardSocketOptions.TCP_NODELAY) {
+ opt = SocketOptions.TCP_NODELAY;
+ } else {
+ throw new UnsupportedOperationException(
+ "unsupported option: " + name);
+ }
+ value = getOption(opt);
+ } else {
+ value = rdmaOptions.getOption(fd, name);
+ }
+ return (T) value;
+ }
+ }
+
+ static class RdmaServerSocketImpl extends RdmaSocketImpl {
+ private final Set<SocketOption<?>> options =
+ Set.of(StandardSocketOptions.SO_RCVBUF,
+ StandardSocketOptions.SO_REUSEADDR,
+ RdmaSocketOptions.RDMA_SQSIZE,
+ RdmaSocketOptions.RDMA_RQSIZE,
+ RdmaSocketOptions.RDMA_INLINE);
+
+ RdmaServerSocketImpl(ProtocolFamily family) {
+ super(family);
+ }
+
+ @Override
+ public Set<SocketOption<?>> supportedOptions() {
+ return options;
+ }
+
+ @Override
+ protected <T> void setOption(SocketOption<T> name, T value)
+ throws IOException {
+ if (!rdmaOptions.isOptionSupported(name)) {
+ int opt;
+ if (name == StandardSocketOptions.SO_RCVBUF) {
+ opt = SocketOptions.SO_RCVBUF;
+ } else if (name == StandardSocketOptions.SO_REUSEADDR) {
+ opt = SocketOptions.SO_REUSEADDR;
+ } else {
+ throw new UnsupportedOperationException(
+ "unsupported option: " + name);
+ }
+ setOption(opt, value);
+ } else {
+ rdmaOptions.setOption(fd, name, value);
+ }
+ }
+
+ @SuppressWarnings("unchecked")
+ @Override
+ protected <T> T getOption(SocketOption<T> name) throws IOException {
+ Object value;
+ if (!rdmaOptions.isOptionSupported(name)) {
+ int opt;
+ if (name == StandardSocketOptions.SO_RCVBUF) {
+ opt = SocketOptions.SO_RCVBUF;
+ } else if (name == StandardSocketOptions.SO_REUSEADDR) {
+ opt = SocketOptions.SO_REUSEADDR;
+ } else {
+ throw new UnsupportedOperationException(
+ "unsupported option: " + name);
+ }
+ value = getOption(opt);
+ } else {
+ value = rdmaOptions.getOption(fd, name);
+ }
+ return (T) value;
+ }
+ }
+
+ public static Socket openSocket(ProtocolFamily family) throws IOException {
+ return new Socket(new RdmaClientSocketImpl(family)) { };
+ }
+
+ public static ServerSocket openServerSocket(ProtocolFamily family)
+ throws IOException {
+ return new ServerSocket(new RdmaServerSocketImpl(family)) {
+ public Socket accept() throws IOException {
+ if (isClosed())
+ throw new SocketException("Socket is closed");
+ if (!isBound())
+ throw new SocketException("Socket is not bound yet");
+
+ Socket s = openSocket(family);
+ implAccept(s);
+ return s;
+ }
+ };
+ }
+
+ private RdmaSocketProvider() {}
+}