| J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 2000-2002 Sun Microsystems, Inc. All Rights Reserved. |
| 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 | * |
| 5 | * This code is free software; you can redistribute it and/or modify it |
| 6 | * under the terms of the GNU General Public License version 2 only, as |
| 7 | * published by the Free Software Foundation. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun in the LICENSE file that accompanied this code. |
| 10 | * |
| 11 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| 12 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| 13 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| 14 | * version 2 for more details (a copy is included in the LICENSE file that |
| 15 | * accompanied this code). |
| 16 | * |
| 17 | * You should have received a copy of the GNU General Public License version |
| 18 | * 2 along with this work; if not, write to the Free Software Foundation, |
| 19 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| 20 | * |
| 21 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any questions. |
| 24 | */ |
| 25 | |
| 26 | #include <netdb.h> |
| 27 | #include <sys/types.h> |
| 28 | #include <sys/socket.h> |
| 29 | #include <stdlib.h> |
| 30 | #include <errno.h> |
| 31 | #include <string.h> |
| 32 | #include <poll.h> |
| 33 | |
| 34 | #if __linux__ |
| 35 | #include <netinet/in.h> |
| 36 | #endif |
| 37 | |
| 38 | #if defined(__solaris__) && !defined(_SOCKLEN_T) |
| 39 | typedef size_t socklen_t; /* New in SunOS 5.7, so need this for 5.6 */ |
| 40 | #endif |
| 41 | |
| 42 | #include "jni.h" |
| 43 | #include "jni_util.h" |
| 44 | #include "net_util.h" |
| 45 | #include "jvm.h" |
| 46 | #include "jlong.h" |
| 47 | #include "sun_nio_ch_SocketChannelImpl.h" |
| 48 | #include "nio_util.h" |
| 49 | #include "nio.h" |
| 50 | |
| 51 | |
| 52 | JNIEXPORT jint JNICALL |
| 53 | Java_sun_nio_ch_SocketChannelImpl_checkConnect(JNIEnv *env, jobject this, |
| 54 | jobject fdo, jboolean block, |
| 55 | jboolean ready) |
| 56 | { |
| 57 | int error = 0; |
| 58 | int n = sizeof(int); |
| 59 | jint fd = fdval(env, fdo); |
| 60 | int result = 0; |
| 61 | struct pollfd poller; |
| 62 | |
| 63 | poller.revents = 1; |
| 64 | if (!ready) { |
| 65 | poller.fd = fd; |
| 66 | poller.events = POLLOUT; |
| 67 | poller.revents = 0; |
| 68 | result = poll(&poller, 1, block ? -1 : 0); |
| 69 | if (result < 0) { |
| 70 | JNU_ThrowIOExceptionWithLastError(env, "Poll failed"); |
| 71 | return IOS_THROWN; |
| 72 | } |
| 73 | if (!block && (result == 0)) |
| 74 | return IOS_UNAVAILABLE; |
| 75 | } |
| 76 | |
| 77 | if (poller.revents) { |
| 78 | errno = 0; |
| 79 | result = getsockopt(fd, SOL_SOCKET, SO_ERROR, &error, &n); |
| 80 | if (result < 0) { |
| 81 | handleSocketError(env, errno); |
| 82 | return JNI_FALSE; |
| 83 | } else if (error) { |
| 84 | handleSocketError(env, error); |
| 85 | return JNI_FALSE; |
| 86 | } |
| 87 | return 1; |
| 88 | } |
| 89 | return 0; |
| 90 | } |
| 91 | |
| 92 | |
| 93 | JNIEXPORT void JNICALL |
| 94 | Java_sun_nio_ch_SocketChannelImpl_shutdown(JNIEnv *env, jclass cl, |
| 95 | jobject fdo, jint how) |
| 96 | { |
| 97 | if (shutdown(fdval(env, fdo), how) < 0) |
| 98 | handleSocketError(env, errno); |
| 99 | } |