| /* |
| * Copyright 2002 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.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 "nio_util.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 > 16) { |
| len = 16; |
| } |
| |
| m.msg_name = NULL; |
| m.msg_namelen = 0; |
| m.msg_iov = iov; |
| m.msg_iovlen = len; |
| #ifdef __solaris__ |
| m.msg_accrights = NULL; |
| m.msg_accrightslen = 0; |
| #endif |
| |
| #ifdef __linux__ |
| m.msg_control = NULL; |
| m.msg_controllen = 0; |
| #endif |
| |
| 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 > 16) { |
| len = 16; |
| } |
| |
| m.msg_name = NULL; |
| m.msg_namelen = 0; |
| m.msg_iov = iov; |
| m.msg_iovlen = len; |
| #ifdef __solaris__ |
| m.msg_accrights = NULL; |
| m.msg_accrightslen = 0; |
| #endif |
| |
| #ifdef __linux__ |
| m.msg_control = NULL; |
| m.msg_controllen = 0; |
| #endif |
| |
| 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); |
| } |