author | bpb |
Wed, 06 Feb 2019 12:48:01 -0800 | |
branch | rsocket-branch |
changeset 57156 | 81e4a12fd1a4 |
parent 57115 | 512e7cc6ccce |
child 57160 | c502c299d41e |
permissions | -rw-r--r-- |
57115 | 1 |
/* |
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81e4a12fd1a4
rsocket-branch: change recent copyright year to 2019 and new files to 2019 only
bpb
parents:
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changeset
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* Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#include "jdk_internal_net_rdma_RdmaSocketChannelImpl.h" |
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#include "nio_util.h" |
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#include "nio.h" |
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#include <Rsocket.h> |
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static jfieldID fd_fdID; |
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JNIEXPORT void JNICALL |
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Java_jdk_internal_net_rdma_RdmaSocketChannelImpl_initIDs(JNIEnv *env, |
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jclass clazz) { |
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loadRdmaFuncs(env); |
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CHECK_NULL(clazz = (*env)->FindClass(env, "java/io/FileDescriptor")); |
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CHECK_NULL(fd_fdID = (*env)->GetFieldID(env, clazz, "fd", "I")); |
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} |
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jint fdVal(JNIEnv *env, jobject fdo) { |
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return (*env)->GetIntField(env, fdo, fd_fdID); |
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} |
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JNIEXPORT jint JNICALL |
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Java_jdk_internal_net_rdma_RdmaSocketChannelImpl_checkConnect(JNIEnv *env, |
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jobject this, jobject fdo, jboolean block) { |
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int error = 0; |
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socklen_t n = sizeof(int); |
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jint fd = fdVal(env, fdo); |
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int result = 0; |
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struct pollfd poller; |
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poller.fd = fd; |
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poller.events = POLLOUT; |
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poller.revents = 0; |
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result = rs_poll(&poller, 1, block ? -1 : 0); |
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if (result < 0) { |
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if (errno == EINTR) { |
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return IOS_INTERRUPTED; |
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} else { |
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JNU_ThrowIOExceptionWithLastError(env, "rpoll failed"); |
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return IOS_THROWN; |
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} |
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} |
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if (!block && (result == 0)) |
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return IOS_UNAVAILABLE; |
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if (result > 0) { |
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errno = 0; |
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result = rs_getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &n); |
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if (result < 0) { |
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return handleSocketError(env, errno); |
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} else if (error) { |
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return handleSocketError(env, error); |
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} else if ((poller.revents & POLLHUP) != 0) { |
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return handleSocketError(env, ENOTCONN); |
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} |
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// connected |
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return 1; |
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} |
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return 0; |
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} |
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JNIEXPORT jint JNICALL |
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Java_jdk_internal_net_rdma_RdmaSocketChannelImpl_sendOutOfBandData(JNIEnv* env, |
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jclass this, jobject fdo, jbyte b) { |
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int n = rs_send(fdVal(env, fdo), (const void*)&b, 1, MSG_OOB); |
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return convertReturnVal(env, n, JNI_FALSE); |
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} |