author | alanb |
Mon, 03 Feb 2014 14:00:43 +0000 | |
changeset 22631 | ac85b05a53f4 |
parent 5506 | 202f599c92aa |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2000, 2008, 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 <stdlib.h> |
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#include <netdb.h> |
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#include <sys/types.h> |
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#include <sys/socket.h> |
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#if __linux__ |
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#include <netinet/in.h> |
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#endif |
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#if defined(__solaris__) && !defined(_SOCKLEN_T) |
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typedef size_t socklen_t; /* New in SunOS 5.7, so need this for 5.6 */ |
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#endif |
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#include "jni.h" |
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#include "jni_util.h" |
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#include "net_util.h" |
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#include "jvm.h" |
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#include "jlong.h" |
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#include "sun_nio_ch_ServerSocketChannelImpl.h" |
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#include "nio.h" |
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#include "nio_util.h" |
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static jfieldID fd_fdID; /* java.io.FileDescriptor.fd */ |
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static jclass isa_class; /* java.net.InetSocketAddress */ |
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static jmethodID isa_ctorID; /* .InetSocketAddress(InetAddress, int) */ |
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JNIEXPORT void JNICALL |
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Java_sun_nio_ch_ServerSocketChannelImpl_initIDs(JNIEnv *env, jclass c) |
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{ |
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jclass cls; |
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cls = (*env)->FindClass(env, "java/io/FileDescriptor"); |
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ac85b05a53f4
8028792: (ch) Channels native code needs to be checked for methods calling JNI with pending excepitons
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CHECK_NULL(cls); |
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fd_fdID = (*env)->GetFieldID(env, cls, "fd", "I"); |
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CHECK_NULL(fd_fdID); |
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cls = (*env)->FindClass(env, "java/net/InetSocketAddress"); |
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8028792: (ch) Channels native code needs to be checked for methods calling JNI with pending excepitons
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CHECK_NULL(cls); |
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isa_class = (*env)->NewGlobalRef(env, cls); |
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if (isa_class == NULL) { |
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JNU_ThrowOutOfMemoryError(env, NULL); |
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8028792: (ch) Channels native code needs to be checked for methods calling JNI with pending excepitons
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return; |
ac85b05a53f4
8028792: (ch) Channels native code needs to be checked for methods calling JNI with pending excepitons
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} |
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isa_ctorID = (*env)->GetMethodID(env, cls, "<init>", |
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"(Ljava/net/InetAddress;I)V"); |
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CHECK_NULL(isa_ctorID); |
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} |
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JNIEXPORT jint JNICALL |
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Java_sun_nio_ch_ServerSocketChannelImpl_accept0(JNIEnv *env, jobject this, |
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jobject ssfdo, jobject newfdo, |
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jobjectArray isaa) |
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{ |
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jint ssfd = (*env)->GetIntField(env, ssfdo, fd_fdID); |
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jint newfd; |
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struct sockaddr *sa; |
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int alloc_len; |
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jobject remote_ia = 0; |
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jobject isa; |
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jint remote_port; |
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NET_AllocSockaddr(&sa, &alloc_len); |
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if (sa == NULL) { |
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8028792: (ch) Channels native code needs to be checked for methods calling JNI with pending excepitons
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JNU_ThrowOutOfMemoryError(env, NULL); |
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return IOS_THROWN; |
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} |
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/* |
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* accept connection but ignore ECONNABORTED indicating that |
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* a connection was eagerly accepted but was reset before |
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* accept() was called. |
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*/ |
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for (;;) { |
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socklen_t sa_len = alloc_len; |
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newfd = accept(ssfd, sa, &sa_len); |
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if (newfd >= 0) { |
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break; |
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} |
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if (errno != ECONNABORTED) { |
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break; |
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} |
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/* ECONNABORTED => restart accept */ |
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} |
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if (newfd < 0) { |
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free((void *)sa); |
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if (errno == EAGAIN) |
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return IOS_UNAVAILABLE; |
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if (errno == EINTR) |
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return IOS_INTERRUPTED; |
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JNU_ThrowIOExceptionWithLastError(env, "Accept failed"); |
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return IOS_THROWN; |
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} |
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(*env)->SetIntField(env, newfdo, fd_fdID, newfd); |
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remote_ia = NET_SockaddrToInetAddress(env, sa, (int *)&remote_port); |
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free((void *)sa); |
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8028792: (ch) Channels native code needs to be checked for methods calling JNI with pending excepitons
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CHECK_NULL_RETURN(remote_ia, IOS_THROWN); |
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isa = (*env)->NewObject(env, isa_class, isa_ctorID, remote_ia, remote_port); |
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CHECK_NULL_RETURN(isa, IOS_THROWN); |
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(*env)->SetObjectArrayElement(env, isaa, 0, isa); |
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return 1; |
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} |