| /* |
| * 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 <sys/types.h> |
| #include <sys/socket.h> |
| #include <string.h> |
| #include <netinet/in.h> |
| #include <netinet/tcp.h> |
| |
| #include "jni.h" |
| #include "jni_util.h" |
| #include "jvm.h" |
| #include "jlong.h" |
| #include "sun_nio_ch_Net.h" |
| #include "net_util.h" |
| #include "net_util_md.h" |
| #include "nio_util.h" |
| #include "java_net_SocketOptions.h" |
| #include "nio.h" |
| |
| #ifdef __linux__ |
| #include <sys/utsname.h> |
| |
| #define IPV6_MULTICAST_IF 17 |
| #ifndef SO_BSDCOMPAT |
| #define SO_BSDCOMPAT 14 |
| #endif |
| #endif |
| |
| JNIEXPORT void JNICALL |
| Java_sun_nio_ch_Net_initIDs(JNIEnv *env, jclass clazz) |
| { |
| /* Here because Windows native code does need to init IDs */ |
| } |
| |
| JNIEXPORT int JNICALL |
| Java_sun_nio_ch_Net_socket0(JNIEnv *env, jclass cl, jboolean stream, |
| jboolean reuse) |
| { |
| int fd; |
| |
| #ifdef AF_INET6 |
| if (ipv6_available()) |
| fd = socket(AF_INET6, (stream ? SOCK_STREAM : SOCK_DGRAM), 0); |
| else |
| #endif /* AF_INET6 */ |
| fd = socket(AF_INET, (stream ? SOCK_STREAM : SOCK_DGRAM), 0); |
| |
| if (fd < 0) { |
| return handleSocketError(env, errno); |
| } |
| if (reuse) { |
| int arg = 1; |
| if (NET_SetSockOpt(fd, SOL_SOCKET, SO_REUSEADDR, (char*)&arg, |
| sizeof(arg)) < 0) { |
| JNU_ThrowByNameWithLastError(env, |
| JNU_JAVANETPKG "SocketException", |
| "sun.nio.ch.Net.setIntOption"); |
| } |
| } |
| return fd; |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_sun_nio_ch_Net_bind(JNIEnv *env, jclass clazz, /* ## Needs rest of PSI gunk */ |
| jobject fdo, jobject ia, int port) |
| { |
| SOCKADDR sa; |
| int sa_len = SOCKADDR_LEN; |
| int rv = 0; |
| |
| if (NET_InetAddressToSockaddr(env, ia, port, (struct sockaddr *)&sa, &sa_len, JNI_TRUE) != 0) { |
| return; |
| } |
| |
| rv = NET_Bind(fdval(env, fdo), (struct sockaddr *)&sa, sa_len); |
| if (rv != 0) { |
| handleSocketError(env, errno); |
| } |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_Net_connect(JNIEnv *env, jclass clazz, |
| jobject fdo, jobject iao, jint port, |
| jint trafficClass) |
| { |
| SOCKADDR sa; |
| int sa_len = SOCKADDR_LEN; |
| int rv; |
| |
| if (NET_InetAddressToSockaddr(env, iao, port, (struct sockaddr *) &sa, &sa_len, JNI_TRUE) != 0) { |
| return IOS_THROWN; |
| } |
| |
| #ifdef AF_INET6 |
| #if 0 |
| if (trafficClass != 0 && ipv6_available()) { /* ## FIX */ |
| NET_SetTrafficClass((struct sockaddr *)&sa, trafficClass); |
| } |
| #endif |
| #endif |
| |
| rv = connect(fdval(env, fdo), (struct sockaddr *)&sa, sa_len); |
| if (rv != 0) { |
| if (errno == EINPROGRESS) { |
| return IOS_UNAVAILABLE; |
| } else if (errno == EINTR) { |
| return IOS_INTERRUPTED; |
| } |
| return handleSocketError(env, errno); |
| } |
| return 1; |
| } |
| |
| JNIEXPORT jint JNICALL |
| Java_sun_nio_ch_Net_localPort(JNIEnv *env, jclass clazz, jobject fdo) |
| { |
| SOCKADDR sa; |
| socklen_t sa_len = SOCKADDR_LEN; |
| if (getsockname(fdval(env, fdo), (struct sockaddr *)&sa, &sa_len) < 0) { |
| handleSocketError(env, errno); |
| return -1; |
| } |
| return NET_GetPortFromSockaddr((struct sockaddr *)&sa); |
| } |
| |
| JNIEXPORT jobject JNICALL |
| Java_sun_nio_ch_Net_localInetAddress(JNIEnv *env, jclass clazz, jobject fdo) |
| { |
| SOCKADDR sa; |
| socklen_t sa_len = SOCKADDR_LEN; |
| int port; |
| if (getsockname(fdval(env, fdo), (struct sockaddr *)&sa, &sa_len) < 0) { |
| handleSocketError(env, errno); |
| return NULL; |
| } |
| return NET_SockaddrToInetAddress(env, (struct sockaddr *)&sa, &port); |
| } |
| |
| |
| #ifdef NEEDED |
| |
| /* ## This is gross. We should generate platform-specific constant |
| * ## definitions into a .java file and use those directly. |
| */ |
| |
| static int |
| mapOption(JNIEnv *env, int opt, int *klevel, int *kopt) |
| { |
| |
| switch (opt) { |
| |
| case java_net_SocketOptions_IP_TOS: |
| *klevel = IPPROTO_IP; |
| *kopt = IP_TOS; |
| break; |
| |
| case java_net_SocketOptions_SO_BROADCAST: |
| case java_net_SocketOptions_SO_KEEPALIVE: |
| case java_net_SocketOptions_SO_LINGER: |
| case java_net_SocketOptions_SO_OOBINLINE: |
| case java_net_SocketOptions_SO_RCVBUF: |
| case java_net_SocketOptions_SO_REUSEADDR: |
| case java_net_SocketOptions_SO_SNDBUF: |
| *klevel = SOL_SOCKET; |
| break; |
| |
| case java_net_SocketOptions_TCP_NODELAY: |
| *klevel = IPPROTO_IP; |
| *kopt = TCP_NODELAY; |
| return 0; |
| |
| default: |
| JNU_ThrowByName(env, "java/lang/IllegalArgumentException", NULL); |
| return -1; |
| } |
| |
| switch (opt) { |
| |
| case java_net_SocketOptions_SO_BROADCAST: *kopt = SO_BROADCAST; break; |
| case java_net_SocketOptions_SO_KEEPALIVE: *kopt = SO_KEEPALIVE; break; |
| case java_net_SocketOptions_SO_LINGER: *kopt = SO_LINGER; break; |
| case java_net_SocketOptions_SO_OOBINLINE: *kopt = SO_OOBINLINE; break; |
| case java_net_SocketOptions_SO_RCVBUF: *kopt = SO_RCVBUF; break; |
| case java_net_SocketOptions_SO_REUSEADDR: *kopt = SO_REUSEADDR; break; |
| case java_net_SocketOptions_SO_SNDBUF: *kopt = SO_SNDBUF; break; |
| |
| default: |
| return -1; |
| } |
| |
| return 0; |
| } |
| #endif |
| |
| |
| 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; |
| void *arg; |
| int arglen; |
| |
| if (NET_MapSocketOption(opt, &klevel, &kopt) < 0) { |
| JNU_ThrowByNameWithLastError(env, |
| JNU_JAVANETPKG "SocketException", |
| "Unsupported socket option"); |
| return -1; |
| } |
| |
| if (opt == java_net_SocketOptions_SO_LINGER) { |
| arg = (void *)&linger; |
| arglen = sizeof(linger); |
| } else { |
| arg = (void *)&result; |
| arglen = sizeof(result); |
| } |
| |
| if (NET_GetSockOpt(fdval(env, fdo), klevel, kopt, arg, &arglen) < 0) { |
| JNU_ThrowByNameWithLastError(env, |
| JNU_JAVANETPKG "SocketException", |
| "sun.nio.ch.Net.getIntOption"); |
| return -1; |
| } |
| |
| 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; |
| int result; |
| struct linger linger; |
| void *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 = (void *)&linger; |
| arglen = sizeof(linger); |
| if (arg >= 0) { |
| linger.l_onoff = 1; |
| linger.l_linger = arg; |
| } else { |
| linger.l_onoff = 0; |
| linger.l_linger = 0; |
| } |
| } else { |
| parg = (void *)&arg; |
| arglen = sizeof(arg); |
| } |
| |
| if (NET_SetSockOpt(fdval(env, fdo), klevel, kopt, parg, arglen) < 0) { |
| JNU_ThrowByNameWithLastError(env, |
| JNU_JAVANETPKG "SocketException", |
| "sun.nio.ch.Net.setIntOption"); |
| } |
| } |
| |
| |
| |
| /* Declared in nio_util.h */ |
| |
| jint |
| handleSocketError(JNIEnv *env, jint errorValue) |
| { |
| char *xn; |
| switch (errorValue) { |
| case EINPROGRESS: /* Non-blocking connect */ |
| return 0; |
| case EPROTO: |
| xn = JNU_JAVANETPKG "ProtocolException"; |
| break; |
| case ECONNREFUSED: |
| xn = JNU_JAVANETPKG "ConnectException"; |
| break; |
| case ETIMEDOUT: |
| xn = JNU_JAVANETPKG "ConnectException"; |
| break; |
| case EHOSTUNREACH: |
| xn = JNU_JAVANETPKG "NoRouteToHostException"; |
| break; |
| case EADDRINUSE: /* Fall through */ |
| case EADDRNOTAVAIL: |
| xn = JNU_JAVANETPKG "BindException"; |
| break; |
| default: |
| xn = JNU_JAVANETPKG "SocketException"; |
| break; |
| } |
| errno = errorValue; |
| JNU_ThrowByNameWithLastError(env, xn, "NioSocketError"); |
| return IOS_THROWN; |
| } |