--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.net/linux/native/libextnet/RdmaSocketImpl.c Sat Jan 26 14:02:35 2019 +0000
@@ -0,0 +1,711 @@
+/*
+ * 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.
+ */
+
+#include "java_net_SocketOptions.h"
+#include "jdk_internal_net_rdma_RdmaSocketImpl.h"
+#include "jvm.h"
+#include "net_util.h"
+#include "rdma_util_md.h"
+#include "Rsocket.h"
+
+/************************************************************************
+ * RdmaSocketImpl
+ */
+
+static jfieldID IO_fd_fdID;
+
+jfieldID psi_fdID;
+jfieldID psi_addressID;
+jfieldID psi_ipaddressID;
+jfieldID psi_portID;
+jfieldID psi_localportID;
+jfieldID psi_timeoutID;
+jfieldID psi_trafficClassID;
+jfieldID psi_serverSocketID;
+jfieldID psi_fdLockID;
+jfieldID psi_closePendingID;
+
+#define SET_NONBLOCKING(fd) { \
+ int flags = rs_fcntl(fd, F_GETFL); \
+ flags |= O_NONBLOCK; \
+ rs_fcntl(fd, F_SETFL, flags); \
+}
+
+#define SET_BLOCKING(fd) { \
+ int flags = rs_fcntl(fd, F_GETFL); \
+ flags &= ~O_NONBLOCK; \
+ rs_fcntl(fd, F_SETFL, flags); \
+}
+
+static jclass socketExceptionCls;
+
+static int getFD(JNIEnv *env, jobject this) {
+ jobject fdObj = (*env)->GetObjectField(env, this, psi_fdID);
+ CHECK_NULL_RETURN(fdObj, -1);
+ return (*env)->GetIntField(env, fdObj, IO_fd_fdID);
+}
+
+
+jfieldID
+NET_GetFileDescriptorID(JNIEnv *env) {
+ jclass cls = (*env)->FindClass(env, "java/io/FileDescriptor");
+ CHECK_NULL_RETURN(cls, NULL);
+ return (*env)->GetFieldID(env, cls, "fd", "I");
+}
+
+JNIEXPORT void JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_initProto(JNIEnv *env,
+ jclass cls) {
+ loadRdmaFuncs(env);
+
+ jclass clazz = (*env)->FindClass(env,
+ "jdk/internal/net/rdma/RdmaSocketImpl");
+ psi_fdID = (*env)->GetFieldID(env, clazz , "fd",
+ "Ljava/io/FileDescriptor;");
+ CHECK_NULL(psi_fdID);
+ psi_addressID = (*env)->GetFieldID(env, clazz, "address",
+ "Ljava/net/InetAddress;");
+ CHECK_NULL(psi_addressID);
+ psi_timeoutID = (*env)->GetFieldID(env, clazz, "timeout", "I");
+ CHECK_NULL(psi_timeoutID);
+ psi_trafficClassID = (*env)->GetFieldID(env, clazz, "trafficClass", "I");
+ CHECK_NULL(psi_trafficClassID);
+ psi_portID = (*env)->GetFieldID(env, clazz, "port", "I");
+ CHECK_NULL(psi_portID);
+ psi_localportID = (*env)->GetFieldID(env, clazz, "localport", "I");
+ CHECK_NULL(psi_localportID);
+ psi_serverSocketID = (*env)->GetFieldID(env, clazz, "serverSocket",
+ "Ljava/net/ServerSocket;");
+ CHECK_NULL(psi_serverSocketID);
+
+ IO_fd_fdID = NET_GetFileDescriptorID(env);
+ CHECK_NULL(IO_fd_fdID);
+
+ initInetAddressIDs(env);
+ JNU_CHECK_EXCEPTION(env);
+}
+
+JNIEXPORT jboolean JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_isRdmaAvailable0(JNIEnv *env,
+ jclass cls) {
+ return rdma_supported();
+}
+
+void
+NET_SetTrafficClass(SOCKETADDRESS *sa, int trafficClass) {
+ if (sa->sa.sa_family == AF_INET6) {
+ sa->sa6.sin6_flowinfo = htonl((trafficClass & 0xff) << 20);
+ }
+}
+
+/*
+ * Class: jdk_net_RdmaSocketImpl
+ * Method: rdmaSocketCreate
+ * Signature: (Z)V */
+JNIEXPORT void JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_rdmaSocketCreate(JNIEnv *env,
+ jclass cls, jboolean preferIPv6, jboolean stream) {
+ jobject fdObj, ssObj;
+ int fd;
+ int type = (stream ? SOCK_STREAM : SOCK_DGRAM);
+ int domain = (ipv6_available() && preferIPv6) ? AF_INET6 : AF_INET;
+
+ if (socketExceptionCls == NULL) {
+ jclass c = (*env)->FindClass(env, "java/net/SocketException");
+ CHECK_NULL(c);
+ socketExceptionCls = (jclass)(*env)->NewGlobalRef(env, c);
+ CHECK_NULL(socketExceptionCls);
+ }
+
+ fdObj = (*env)->GetObjectField(env, cls, psi_fdID);
+
+ if (fdObj == NULL) {
+ (*env)->ThrowNew(env, socketExceptionCls, "null fd object");
+ return;
+ }
+
+ if ((fd = rs_socket(domain, type, 0)) == -1) {
+ NET_ThrowNew(env, errno, "can't create socket");
+ return;
+ }
+ if (domain == AF_INET6) {
+ int arg = 0;
+ if (rs_setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&arg,
+ sizeof(int)) < 0) {
+ NET_ThrowNew(env, errno, "cannot set IPPROTO_IPV6");
+ rs_close(fd);
+ return;
+ }
+ }
+
+ ssObj = (*env)->GetObjectField(env, cls, psi_serverSocketID);
+ if (ssObj != NULL) {
+ int arg = 1;
+ SET_NONBLOCKING(fd);
+ if (RDMA_SetSockOpt(fd, SOL_SOCKET, SO_REUSEADDR, (char*)&arg,
+ sizeof(arg)) < 0) {
+ NET_ThrowNew(env, errno, "cannot set SO_REUSEADDR");
+ rs_close(fd);
+ return;
+ }
+ }
+ (*env)->SetIntField(env, fdObj, IO_fd_fdID, fd);
+}
+
+JNIEXPORT void JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_rdmaSocketConnect(JNIEnv *env,
+ jclass cls, jboolean preferIPv6, jobject iaObj, jint port,
+ jint timeout) {
+ jint localport = (*env)->GetIntField(env, cls, psi_localportID);
+ int len = 0;
+ jobject fdObj = (*env)->GetObjectField(env, cls, psi_fdID);
+
+ jobject fdLock;
+
+ jint trafficClass = (*env)->GetIntField(env, cls, psi_trafficClassID);
+
+ jint fd;
+
+ SOCKETADDRESS sa;
+ int connect_rv = -1;
+
+ if (IS_NULL(fdObj)) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException", "Socket closed");
+ return;
+ } else {
+ fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
+ }
+ if (IS_NULL(iaObj)) {
+ JNU_ThrowNullPointerException(env, "inet address argument null.");
+ return;
+ }
+
+ if (NET_InetAddressToSockaddr(env, iaObj, port, &sa, &len,
+ preferIPv6) != 0) {
+ return;
+ }
+
+ if (trafficClass != 0 && ipv6_available()) {
+ NET_SetTrafficClass(&sa, trafficClass);
+ }
+
+ if (timeout <= 0) {
+ connect_rv = RDMA_Connect(fd, &sa.sa, len);
+ } else {
+ SET_NONBLOCKING(fd);
+
+ connect_rv = rs_connect(fd, &sa.sa, len);
+
+ if (connect_rv != 0) {
+ socklen_t optlen;
+ jlong nanoTimeout = (jlong) timeout * NET_NSEC_PER_MSEC;
+ jlong prevNanoTime = JVM_NanoTime(env, 0);
+
+ if (errno != EINPROGRESS) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "ConnectException", "connect failed");
+ SET_BLOCKING(fd);
+ return;
+ }
+
+ while (1) {
+ jlong newNanoTime;
+ struct pollfd pfd;
+ pfd.fd = fd;
+ pfd.events = POLLOUT;
+
+ errno = 0;
+
+ connect_rv = RDMA_Poll(&pfd, 1, nanoTimeout / NET_NSEC_PER_MSEC);
+
+ if (connect_rv >= 0) {
+ break;
+ }
+ if (errno != EINTR) {
+ break;
+ }
+
+ newNanoTime = JVM_NanoTime(env, 0);
+ nanoTimeout -= (newNanoTime - prevNanoTime);
+ if (nanoTimeout < NET_NSEC_PER_MSEC) {
+ connect_rv = 0;
+ break;
+ }
+ prevNanoTime = newNanoTime;
+
+ }
+
+ if (connect_rv == 0) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketTimeoutException",
+ "connect timed out");
+
+ SET_BLOCKING(fd);
+ rs_shutdown(fd, 2);
+ return;
+ }
+
+ optlen = sizeof(connect_rv);
+ if (rs_getsockopt(fd, SOL_SOCKET, SO_ERROR, (void*)&connect_rv,
+ &optlen) <0) {
+ connect_rv = errno;
+ }
+ }
+
+ SET_BLOCKING(fd);
+
+ if (connect_rv != 0) {
+ errno = connect_rv;
+ connect_rv = -1;
+ }
+ }
+
+ if (connect_rv < 0) {
+ if (connect_rv == -1 && errno == EINVAL) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
+ "Invalid argument or cannot assign requested address");
+ return;
+ }
+#if defined(EPROTO)
+ if (errno == EPROTO) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "ProtocolException", "Protocol error");
+ return;
+ }
+#endif
+ if (errno == ECONNREFUSED) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "ConnectException", "Connection refused");
+ } else if (errno == ETIMEDOUT) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "ConnectException", "Connection timed out");
+ } else if (errno == EHOSTUNREACH) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "NoRouteToHostException", "Host unreachable");
+ } else if (errno == EADDRNOTAVAIL) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "NoRouteToHostException",
+ "Address not available");
+ } else if ((errno == EISCONN) || (errno == EBADF)) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
+ "Socket closed");
+ } else {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "SocketException", "connect failed");
+ }
+ return;
+ }
+
+ (*env)->SetIntField(env, fdObj, IO_fd_fdID, fd);
+
+ (*env)->SetObjectField(env, cls, psi_addressID, iaObj);
+ (*env)->SetIntField(env, cls, psi_portID, port);
+
+ if (localport == 0) {
+ socklen_t slen = sizeof(SOCKETADDRESS);
+ if (rs_getsockname(fd, &sa.sa, &slen) == -1) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "SocketException",
+ "Error getting socket name");
+ } else {
+ localport = NET_GetPortFromSockaddr(&sa);
+ (*env)->SetIntField(env, cls, psi_localportID, localport);
+ }
+ }
+}
+
+JNIEXPORT void JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_rdmaSocketBind(JNIEnv *env,
+ jclass cls, jboolean preferIPv6, jobject iaObj, jint localport) {
+ jobject fdObj = (*env)->GetObjectField(env, cls, psi_fdID);
+ int fd;
+ int len = 0;
+ SOCKETADDRESS sa;
+
+ if (IS_NULL(fdObj)) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
+ "Socket closed");
+ return;
+ } else {
+ fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
+ }
+ if (IS_NULL(iaObj)) {
+ JNU_ThrowNullPointerException(env, "iaObj is null.");
+ return;
+ }
+
+ if (NET_InetAddressToSockaddr(env, iaObj, localport, &sa,
+ &len, preferIPv6) != 0) {
+ return;
+ }
+
+ if (RDMA_Bind(fd, &sa, len) < 0) {
+ if (errno == EADDRINUSE || errno == EADDRNOTAVAIL ||
+ errno == EPERM || errno == EACCES) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "BindException", "Bind failed");
+ } else {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "SocketException", "Bind failed");
+ }
+ return;
+ }
+ (*env)->SetObjectField(env, cls, psi_addressID, iaObj);
+
+ if (localport == 0) {
+ socklen_t slen = sizeof(SOCKETADDRESS);
+ if (rs_getsockname(fd, &sa.sa, &slen) == -1) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "SocketException",
+ "Error getting socket name");
+ return;
+ }
+ localport = NET_GetPortFromSockaddr(&sa);
+ (*env)->SetIntField(env, cls, psi_localportID, localport);
+ } else {
+ (*env)->SetIntField(env, cls, psi_localportID, localport);
+ }
+}
+
+JNIEXPORT void JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_rdmaSocketListen(JNIEnv *env,
+ jclass cls, jint count) {
+ jobject fdObj = (*env)->GetObjectField(env, cls, psi_fdID);
+ int fd;
+
+ if (IS_NULL(fdObj)) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
+ "Socket closed");
+ return;
+ } else {
+ fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
+ }
+
+ if (count == 0x7fffffff)
+ count -= 1;
+
+ int rv = rs_listen(fd, count);
+ if (rv == -1) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "SocketException", "Listen failed");
+ }
+}
+
+JNIEXPORT void JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_rdmaSocketAccept(JNIEnv *env,
+ jclass cls, jobject socket) {
+ int port;
+ jint timeout = (*env)->GetIntField(env, cls, psi_timeoutID);
+ jlong prevNanoTime = 0;
+ jlong nanoTimeout = (jlong) timeout * NET_NSEC_PER_MSEC;
+ jobject fdObj = (*env)->GetObjectField(env, cls, psi_fdID);
+
+ jobject socketFdObj;
+ jobject socketAddressObj;
+
+ jint fd;
+
+ jint newfd;
+
+ SOCKETADDRESS sa;
+ socklen_t slen = sizeof(SOCKETADDRESS);
+
+ if (IS_NULL(fdObj)) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
+ "Socket closed");
+ return;
+ } else {
+ fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
+ }
+ if (IS_NULL(socket)) {
+ JNU_ThrowNullPointerException(env, "socket is null");
+ return;
+ }
+
+ for (;;) {
+ int ret;
+ jlong currNanoTime;
+
+ if (prevNanoTime == 0 && nanoTimeout > 0) {
+ prevNanoTime = JVM_NanoTime(env, 0);
+ }
+
+ if (timeout <= 0) {
+ ret = RDMA_Timeout(env, fd, -1, 0);
+ } else {
+ ret = RDMA_Timeout(env, fd, nanoTimeout / NET_NSEC_PER_MSEC,
+ prevNanoTime);
+ }
+
+ if (ret == 0) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketTimeoutException",
+ "Accept timed out");
+ return;
+ } else if (ret == -1) {
+ if (errno == EBADF) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
+ "Socket closed");
+ } else if (errno == ENOMEM) {
+ JNU_ThrowOutOfMemoryError(env,
+ "NET_Timeout native heap allocation failed");
+ } else {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "SocketException", "Accept failed");
+ }
+ return;
+ }
+
+ newfd = RDMA_Accept(fd, &sa.sa, &slen);
+
+ if (newfd >= 0) {
+ SET_BLOCKING(newfd);
+ break;
+ }
+
+ if (!(errno == ECONNABORTED || errno == EWOULDBLOCK)) {
+ break;
+ }
+
+ if (nanoTimeout >= NET_NSEC_PER_MSEC) {
+ currNanoTime = JVM_NanoTime(env, 0);
+ nanoTimeout -= (currNanoTime - prevNanoTime);
+ if (nanoTimeout < NET_NSEC_PER_MSEC) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketTimeoutException",
+ "Accept timed out");
+ return;
+ }
+ prevNanoTime = currNanoTime;
+ }
+ }
+
+ if (newfd < 0) {
+ if (newfd == -2) {
+ JNU_ThrowByName(env, JNU_JAVAIOPKG "InterruptedIOException",
+ "operation interrupted");
+ } else {
+ if (errno == EINVAL) {
+ errno = EBADF;
+ }
+ if (errno == EBADF) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
+ "Socket closed");
+ } else {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "SocketException", "Accept failed");
+ }
+ }
+ return;
+ }
+
+ socketAddressObj = NET_SockaddrToInetAddress(env, &sa, &port);
+ if (socketAddressObj == NULL) {
+ rs_close(newfd);
+ return;
+ }
+
+ socketFdObj = (*env)->GetObjectField(env, socket, psi_fdID);
+ (*env)->SetIntField(env, socketFdObj, IO_fd_fdID, newfd);
+ (*env)->SetObjectField(env, socket, psi_addressID, socketAddressObj);
+ (*env)->SetIntField(env, socket, psi_portID, port);
+ port = (*env)->GetIntField(env, cls, psi_localportID);
+ (*env)->SetIntField(env, socket, psi_localportID, port);
+}
+
+JNIEXPORT void JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_rdmaSocketClose(JNIEnv *env,
+ jclass cls) {
+ jobject fdObj = (*env)->GetObjectField(env, cls, psi_fdID);
+ jint fd;
+
+ if (IS_NULL(fdObj)) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
+ "socket already closed");
+ return;
+ } else {
+ fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
+ }
+ if (fd != -1) {
+ (*env)->SetIntField(env, fdObj, IO_fd_fdID, -1);
+ RDMA_SocketClose(fd);
+ }
+}
+
+JNIEXPORT void JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_rdmaSocketShutdown(JNIEnv *env,
+ jclass cls, jint howto) {
+ jobject fdObj = (*env)->GetObjectField(env, cls, psi_fdID);
+ jint fd;
+
+ if (IS_NULL(fdObj)) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
+ "socket already closed");
+ return;
+ } else {
+ fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
+ }
+ rs_shutdown(fd, howto);
+}
+
+
+JNIEXPORT void JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_rdmaSocketSetOption(JNIEnv *env,
+ jclass cls, jint cmd, jboolean on, jobject value) {
+ int fd;
+ int level, optname, optlen;
+ union {
+ int i;
+ struct linger ling;
+ } optval;
+
+ fd = getFD(env, cls);
+ if (fd < 0) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
+ "Socket closed");
+ return;
+ }
+
+ if (cmd == java_net_SocketOptions_SO_TIMEOUT) {
+ return;
+ }
+
+ if (RDMA_MapSocketOption(cmd, &level, &optname)) {
+ JNU_ThrowByName(env, "java/net/SocketException", "Invalid option");
+ return;
+ }
+
+ switch (cmd) {
+ case java_net_SocketOptions_SO_SNDBUF :
+ case java_net_SocketOptions_SO_RCVBUF :
+ {
+ jclass cls;
+ jfieldID fid;
+
+ cls = (*env)->FindClass(env, "java/lang/Integer");
+ CHECK_NULL(cls);
+ fid = (*env)->GetFieldID(env, cls, "value", "I");
+ CHECK_NULL(fid);
+
+ optval.i = (*env)->GetIntField(env, value, fid);
+ optlen = sizeof(optval.i);
+ break;
+ }
+ default :
+ optval.i = (on ? 1 : 0);
+ optlen = sizeof(optval.i);
+
+ }
+ if (RDMA_SetSockOpt(fd, level, optname, (const void *)&optval, optlen) < 0) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "SocketException", "Error setting socket option");
+ }
+}
+
+JNIEXPORT jint JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_rdmaSocketGetOption(JNIEnv *env,
+ jclass cls, jint cmd, jobject iaContainerObj) {
+ int fd;
+ int level, optname, optlen;
+ union {
+ int i;
+ struct linger ling;
+ } optval;
+
+ fd = getFD(env, cls);
+ if (fd < 0) {
+ JNU_ThrowByName(env, JNU_JAVANETPKG "SocketException",
+ "Socket closed");
+ return -1;
+ }
+
+ if (cmd == java_net_SocketOptions_SO_BINDADDR) {
+ SOCKETADDRESS sa;
+ socklen_t len = sizeof(SOCKETADDRESS);
+ int port;
+ jobject iaObj;
+ jclass iaCntrClass;
+ jfieldID iaFieldID;
+
+ if (rs_getsockname(fd, &sa.sa, &len) < 0) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "SocketException",
+ "Error getting socket name");
+ return -1;
+ }
+ iaObj = NET_SockaddrToInetAddress(env, &sa, &port);
+ CHECK_NULL_RETURN(iaObj, -1);
+
+ iaCntrClass = (*env)->GetObjectClass(env, iaContainerObj);
+ iaFieldID = (*env)->GetFieldID(env, iaCntrClass,
+ "addr", "Ljava/net/InetAddress;");
+ CHECK_NULL_RETURN(iaFieldID, -1);
+ (*env)->SetObjectField(env, iaContainerObj, iaFieldID, iaObj);
+ return 0;
+ }
+
+ if (RDMA_MapSocketOption(cmd, &level, &optname)) {
+ JNU_ThrowByName(env, "java/net/SocketException", "Invalid option");
+ return -1;
+ }
+
+ optlen = sizeof(optval.i);
+
+ if (RDMA_GetSockOpt(fd, level, optname, (void *)&optval, &optlen) < 0) {
+ JNU_ThrowByNameWithMessageAndLastError(env,
+ JNU_JAVANETPKG "SocketException", "Error getting socket option");
+ return -1;
+ }
+
+ switch (cmd) {
+ case java_net_SocketOptions_SO_SNDBUF:
+ case java_net_SocketOptions_SO_RCVBUF:
+ return optval.i;
+
+ default :
+ return (optval.i == 0) ? -1 : 1;
+ }
+}
+
+JNIEXPORT void JNICALL
+Java_jdk_internal_net_rdma_RdmaSocketImpl_rdmaSocketSendUrgentData(
+ JNIEnv *env, jclass cls, jint data) {
+ jobject fdObj = (*env)->GetObjectField(env, cls, psi_fdID);
+ int n, fd;
+ unsigned char d = data & 0xFF;
+
+ if (IS_NULL(fdObj)) {
+ JNU_ThrowByName(env, "java/net/SocketException", "Socket closed");
+ return;
+ } else {
+ fd = (*env)->GetIntField(env, fdObj, IO_fd_fdID);
+ if (fd == -1) {
+ JNU_ThrowByName(env, "java/net/SocketException", "Socket closed");
+ return;
+ }
+
+ }
+ n = RDMA_Send(fd, (char *)&d, 1, MSG_OOB);
+ if (n == -1) {
+ JNU_ThrowIOExceptionWithLastError(env, "Write failed");
+ }
+}