Mercurial > hg > icedtea9-forest > jdk
view src/solaris/native/sun/nio/ch/DatagramDispatcher.c @ 5841:11d5ddc6a6d4
6633549: (dc) Include-mode filtering of IPv6 sources does not block datagrams on Linux
Reviewed-by: chegar
author | alanb |
---|---|
date | Sun, 22 Jul 2012 20:32:12 +0100 |
parents | 68efc74309f9 |
children |
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/* * Copyright (c) 2002, 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 "jni.h" #include "jni_util.h" #include "jvm.h" #include "jlong.h" #include "sun_nio_ch_DatagramDispatcher.h" #include <sys/types.h> #include <sys/uio.h> #include <sys/socket.h> #include <string.h> #include "nio_util.h" #include <limits.h> JNIEXPORT jint JNICALL Java_sun_nio_ch_DatagramDispatcher_read0(JNIEnv *env, jclass clazz, jobject fdo, jlong address, jint len) { jint fd = fdval(env, fdo); void *buf = (void *)jlong_to_ptr(address); int result = recv(fd, buf, len, 0); if (result < 0 && errno == ECONNREFUSED) { JNU_ThrowByName(env, JNU_JAVANETPKG "PortUnreachableException", 0); return -2; } return convertReturnVal(env, result, JNI_TRUE); } JNIEXPORT jlong JNICALL Java_sun_nio_ch_DatagramDispatcher_readv0(JNIEnv *env, jclass clazz, jobject fdo, jlong address, jint len) { jint fd = fdval(env, fdo); ssize_t result = 0; struct iovec *iov = (struct iovec *)jlong_to_ptr(address); struct msghdr m; if (len > IOV_MAX) { len = IOV_MAX; } // initialize the message memset(&m, 0, sizeof(m)); m.msg_iov = iov; m.msg_iovlen = len; result = recvmsg(fd, &m, 0); if (result < 0 && errno == ECONNREFUSED) { JNU_ThrowByName(env, JNU_JAVANETPKG "PortUnreachableException", 0); return -2; } return convertLongReturnVal(env, (jlong)result, JNI_TRUE); } JNIEXPORT jint JNICALL Java_sun_nio_ch_DatagramDispatcher_write0(JNIEnv *env, jclass clazz, jobject fdo, jlong address, jint len) { jint fd = fdval(env, fdo); void *buf = (void *)jlong_to_ptr(address); int result = send(fd, buf, len, 0); if (result < 0 && errno == ECONNREFUSED) { JNU_ThrowByName(env, JNU_JAVANETPKG "PortUnreachableException", 0); return -2; } return convertReturnVal(env, result, JNI_FALSE); } JNIEXPORT jlong JNICALL Java_sun_nio_ch_DatagramDispatcher_writev0(JNIEnv *env, jclass clazz, jobject fdo, jlong address, jint len) { jint fd = fdval(env, fdo); struct iovec *iov = (struct iovec *)jlong_to_ptr(address); struct msghdr m; ssize_t result = 0; if (len > IOV_MAX) { len = IOV_MAX; } // initialize the message memset(&m, 0, sizeof(m)); m.msg_iov = iov; m.msg_iovlen = len; result = sendmsg(fd, &m, 0); if (result < 0 && errno == ECONNREFUSED) { JNU_ThrowByName(env, JNU_JAVANETPKG "PortUnreachableException", 0); return -2; } return convertLongReturnVal(env, (jlong)result, JNI_FALSE); }