| /* |
| * Copyright 2001-2007 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 <windows.h> |
| #include <winsock2.h> |
| #include "jni.h" |
| #include "jni_util.h" |
| #include "jvm.h" |
| #include "jlong.h" |
| |
| #include "nio.h" |
| #include "nio_util.h" |
| #include "net_util.h" |
| |
| #include "sun_nio_ch_Net.h" |
| |
| |
| static jfieldID ia_addrID; |
| static jclass ia_class; |
| static jmethodID ia_ctorID; |
| static jfieldID ia_famID; |
| |
| /************************************************************** |
| * static method to store field IDs in initializers |
| */ |
| |
| JNIEXPORT void JNICALL |
| Java_sun_nio_ch_Net_initIDs(JNIEnv *env, jclass clazz) |
| { |
| clazz = (*env)->FindClass(env, "java/net/Inet4Address"); |
| ia_class = (*env)->NewGlobalRef(env, clazz); |
| ia_addrID = (*env)->GetFieldID(env, clazz, "address", "I"); |
| ia_famID = (*env)->GetFieldID(env, clazz, "family", "I"); |
| ia_ctorID = (*env)->GetMethodID(env, clazz, "<init>", "()V"); |
| } |
| |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_Net_socket0(JNIEnv *env, jclass cl, jboolean stream, |
| jboolean reuse) |
| { |
| SOCKET s; |
| |
| s = socket(AF_INET, (stream ? SOCK_STREAM : SOCK_DGRAM), 0); |
| if (s != INVALID_SOCKET) { |
| SetHandleInformation((HANDLE)s, HANDLE_FLAG_INHERIT, 0); |
| } else { |
| NET_ThrowNew(env, WSAGetLastError(), "socket"); |
| } |
| return (jint)s; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_nio_ch_Net_bind(JNIEnv *env, jclass clazz, |
| jobject fdo, jobject iao, jint port) |
| { |
| SOCKETADDRESS sa; |
| int rv; |
| int sa_len = sizeof(sa); |
| |
| if (NET_InetAddressToSockaddr(env, iao, port, (struct sockaddr *)&sa, &sa_len, JNI_FALSE) != 0) { |
| return; |
| } |
| |
| rv = NET_Bind(fdval(env, fdo), (struct sockaddr *)&sa, sa_len); |
| if (rv == SOCKET_ERROR) |
| NET_ThrowNew(env, WSAGetLastError(), "bind"); |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_Net_connect(JNIEnv *env, jclass clazz, jobject fdo, jobject iao, |
| jint port, jint trafficClass) |
| { |
| SOCKETADDRESS sa; |
| int rv; |
| int sa_len = sizeof(sa); |
| |
| if (NET_InetAddressToSockaddr(env, iao, port, (struct sockaddr *)&sa, &sa_len, JNI_FALSE) != 0) { |
| return IOS_THROWN; |
| } |
| |
| rv = connect(fdval(env, fdo), (struct sockaddr *)&sa, sa_len); |
| if (rv != 0) { |
| int err = WSAGetLastError(); |
| if (err == WSAEINPROGRESS || err == WSAEWOULDBLOCK) { |
| return IOS_UNAVAILABLE; |
| } |
| NET_ThrowNew(env, err, "connect"); |
| return IOS_THROWN; |
| } |
| return 1; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_Net_localPort(JNIEnv *env, jclass clazz, jobject fdo) |
| { |
| struct sockaddr_in sa; |
| int sa_len = sizeof(sa); |
| |
| if (getsockname(fdval(env, fdo), (struct sockaddr *)&sa, &sa_len) < 0) { |
| int error = WSAGetLastError(); |
| if (error == WSAEINVAL) { |
| return 0; |
| } |
| NET_ThrowNew(env, error, "getsockname"); |
| return IOS_THROWN; |
| } |
| return (jint)ntohs(sa.sin_port); |
| } |
| |
| JNIEXPORT jobject JNICALL |
| Java_sun_nio_ch_Net_localInetAddress(JNIEnv *env, jclass clazz, jobject fdo) |
| { |
| struct sockaddr_in sa; |
| int sa_len = sizeof(sa); |
| jobject iao; |
| |
| if (getsockname(fdval(env, fdo), (struct sockaddr *)&sa, &sa_len) < 0) { |
| NET_ThrowNew(env, WSAGetLastError(), "getsockname"); |
| return NULL; |
| } |
| |
| iao = (*env)->NewObject(env, ia_class, ia_ctorID); |
| if (iao == NULL) { |
| JNU_ThrowOutOfMemoryError(env, "heap allocation failure"); |
| } else { |
| (*env)->SetIntField(env, iao, ia_addrID, ntohl(sa.sin_addr.s_addr)); |
| } |
| |
| return iao; |
| } |
| |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_Net_getIntOption0(JNIEnv *env, jclass clazz, |
| jobject fdo, jint opt) |
| { |
| int klevel, kopt; |
| int result; |
| struct linger linger; |
| char *arg; |
| int arglen; |
| |
| if (NET_MapSocketOption(opt, &klevel, &kopt) < 0) { |
| JNU_ThrowByNameWithLastError(env, |
| JNU_JAVANETPKG "SocketException", |
| "Unsupported socket option"); |
| return IOS_THROWN; |
| } |
| |
| if (opt == java_net_SocketOptions_SO_LINGER) { |
| arg = (char *)&linger; |
| arglen = sizeof(linger); |
| } else { |
| arg = (char *)&result; |
| arglen = sizeof(result); |
| } |
| |
| if (NET_GetSockOpt(fdval(env, fdo), klevel, kopt, arg, &arglen) < 0) { |
| NET_ThrowNew(env, WSAGetLastError(), "sun.nio.ch.Net.setIntOption"); |
| return IOS_THROWN; |
| } |
| |
| if (opt == java_net_SocketOptions_SO_LINGER) |
| return linger.l_onoff ? linger.l_linger : -1; |
| else |
| return result; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_nio_ch_Net_setIntOption0(JNIEnv *env, jclass clazz, |
| jobject fdo, jint opt, jint arg) |
| { |
| int klevel, kopt; |
| struct linger linger; |
| char *parg; |
| int arglen; |
| |
| if (NET_MapSocketOption(opt, &klevel, &kopt) < 0) { |
| JNU_ThrowByNameWithLastError(env, |
| JNU_JAVANETPKG "SocketException", |
| "Unsupported socket option"); |
| return; |
| } |
| |
| if (opt == java_net_SocketOptions_SO_LINGER) { |
| parg = (char *)&linger; |
| arglen = sizeof(linger); |
| if (arg >= 0) { |
| linger.l_onoff = 1; |
| linger.l_linger = (unsigned short)arg; |
| } else { |
| linger.l_onoff = 0; |
| linger.l_linger = 0; |
| } |
| } else { |
| parg = (char *)&arg; |
| arglen = sizeof(arg); |
| } |
| |
| if (NET_SetSockOpt(fdval(env, fdo), klevel, kopt, parg, arglen) < 0) { |
| NET_ThrowNew(env, WSAGetLastError(), "sun.nio.ch.Net.setIntOption"); |
| } |
| } |