| /* VMPlainSocketImpl.c - Native methods for PlainSocketImpl class |
| Copyright (C) 2005, 2006 Free Software Foundation, Inc. |
| |
| This file is part of GNU Classpath. |
| |
| GNU Classpath is free software; you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation; either version 2, or (at your option) |
| any later version. |
| |
| GNU Classpath 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 for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with GNU Classpath; see the file COPYING. If not, write to the |
| Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
| 02110-1301 USA. |
| |
| Linking this library statically or dynamically with other modules is |
| making a combined work based on this library. Thus, the terms and |
| conditions of the GNU General Public License cover the whole |
| combination. |
| |
| As a special exception, the copyright holders of this library give you |
| permission to link this library with independent modules to produce an |
| executable, regardless of the license terms of these independent |
| modules, and to copy and distribute the resulting executable under |
| terms of your choice, provided that you also meet, for each linked |
| independent module, the terms and conditions of the license of that |
| module. An independent module is a module which is not derived from |
| or based on this library. If you modify this library, you may extend |
| this exception to your version of the library, but you are not |
| obligated to do so. If you do not wish to do so, delete this |
| exception statement from your version. */ |
| |
| /* do not move; needed here because of some macro definitions */ |
| #include <config.h> |
| |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <string.h> |
| |
| #include <jni.h> |
| #include <jcl.h> |
| |
| #include "javanet.h" |
| |
| #include "target_native.h" |
| #ifndef WITHOUT_NETWORK |
| #include "target_native_file.h" /* Get FIONREAD on Solaris. */ |
| #include "target_native_network.h" |
| #endif /* WITHOUT_NETWORK */ |
| |
| #include "gnu_java_net_VMPlainSocketImpl.h" |
| |
| /* |
| * Note that the functions in this module simply redirect to another |
| * internal function. Why? Because many of these functions are shared |
| * with PlainDatagramSocketImpl. The unshared ones were done the same |
| * way for consistency. |
| */ |
| |
| /*************************************************************************/ |
| |
| /* |
| * Creates a new stream or datagram socket |
| */ |
| JNIEXPORT void JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_create(JNIEnv *env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject obj) |
| { |
| #ifndef WITHOUT_NETWORK |
| _javanet_create(env, obj, JNI_TRUE); |
| #else /* not WITHOUT_NETWORK */ |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| /*************************************************************************/ |
| |
| /* |
| * Close the socket. Any underlying streams will be closed by this |
| * action as well. |
| */ |
| JNIEXPORT void JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_close(JNIEnv *env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject obj) |
| { |
| #ifndef WITHOUT_NETWORK |
| _javanet_close(env, obj, 1); |
| #else /* not WITHOUT_NETWORK */ |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| /*************************************************************************/ |
| |
| /* |
| * Connects to the specified destination. |
| */ |
| JNIEXPORT void JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_connect(JNIEnv *env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject obj, |
| jobject addr, jint port) |
| { |
| #ifndef WITHOUT_NETWORK |
| _javanet_connect(env, obj, addr, port, 1); |
| #else /* not WITHOUT_NETWORK */ |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| /*************************************************************************/ |
| |
| /* |
| * This method binds the specified address to the specified local port. |
| * Note that we have to set the local address and local port public instance |
| * variables. |
| */ |
| JNIEXPORT void JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_bind(JNIEnv *env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject obj, jobject addr, |
| jint port) |
| { |
| #ifndef WITHOUT_NETWORK |
| _javanet_bind(env, obj, addr, port, 1); |
| #else /* not WITHOUT_NETWORK */ |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| /*************************************************************************/ |
| |
| /* |
| * Starts listening on a socket with the specified number of pending |
| * connections allowed. |
| */ |
| JNIEXPORT void JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_listen(JNIEnv *env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject obj, jint queuelen) |
| { |
| #ifndef WITHOUT_NETWORK |
| _javanet_listen(env, obj, queuelen); |
| #else /* not WITHOUT_NETWORK */ |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| /*************************************************************************/ |
| |
| /* |
| * Accepts a new connection and assigns it to the passed in SocketImpl |
| * object. Note that we assume this is a PlainSocketImpl just like us. |
| */ |
| JNIEXPORT void JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_accept(JNIEnv *env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject obj, jobject impl) |
| { |
| #ifndef WITHOUT_NETWORK |
| _javanet_accept(env, obj, impl); |
| #else /* not WITHOUT_NETWORK */ |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| /*************************************************************************/ |
| |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_available(JNIEnv *env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject obj) |
| { |
| #ifndef WITHOUT_NETWORK |
| jclass cls; |
| jfieldID fid; |
| int fd; |
| int bytesAvailable; |
| int result; |
| |
| cls = (*env)->GetObjectClass(env, obj); |
| if (cls == 0) |
| { |
| JCL_ThrowException(env, IO_EXCEPTION, "internal error"); |
| return 0; |
| } |
| |
| fid = (*env)->GetFieldID(env, cls, "native_fd", "I"); |
| if (fid == 0) |
| { |
| JCL_ThrowException(env, IO_EXCEPTION, "internal error"); |
| return 0; |
| } |
| |
| fd = (*env)->GetIntField(env, obj, fid); |
| |
| TARGET_NATIVE_NETWORK_SOCKET_RECEIVE_AVAILABLE(fd,bytesAvailable,result); |
| if (result != TARGET_NATIVE_OK) |
| { |
| JCL_ThrowException(env, IO_EXCEPTION, TARGET_NATIVE_LAST_ERROR_STRING()); |
| return 0; |
| } |
| |
| return bytesAvailable; |
| #else /* not WITHOUT_NETWORK */ |
| return 0; |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| /*************************************************************************/ |
| |
| /* |
| * This method sets the specified option for a socket |
| */ |
| JNIEXPORT void JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_setOption(JNIEnv *env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject obj, |
| jint option_id, jobject val) |
| { |
| #ifndef WITHOUT_NETWORK |
| _javanet_set_option(env, obj, option_id, val); |
| #else /* not WITHOUT_NETWORK */ |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| /*************************************************************************/ |
| |
| /* |
| * This method gets the specified option for a socket |
| */ |
| JNIEXPORT jobject JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_getOption(JNIEnv *env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject obj, |
| jint option_id) |
| { |
| #ifndef WITHOUT_NETWORK |
| return(_javanet_get_option(env, obj, option_id)); |
| #else /* not WITHOUT_NETWORK */ |
| return NULL; |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| /*************************************************************************/ |
| |
| /* |
| * Reads a buffer from a remote host |
| */ |
| JNIEXPORT jint JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_read(JNIEnv *env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject obj, jarray buf, |
| jint offset, jint len) |
| { |
| #ifndef WITHOUT_NETWORK |
| return(_javanet_recvfrom(env, obj, buf, offset, len, 0, 0)); |
| #else /* not WITHOUT_NETWORK */ |
| return 0; |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| /*************************************************************************/ |
| |
| /* |
| * Writes a buffer to the remote host |
| */ |
| JNIEXPORT void JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_write(JNIEnv *env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject obj, jarray buf, |
| jint offset, jint len) |
| { |
| #ifndef WITHOUT_NETWORK |
| _javanet_sendto(env, obj, buf, offset, len, 0, 0); |
| #else /* not WITHOUT_NETWORK */ |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_shutdownInput (JNIEnv * env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject this) |
| { |
| #ifndef WITHOUT_NETWORK |
| _javanet_shutdownInput (env, this); |
| #else /* not WITHOUT_NETWORK */ |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| JNIEXPORT void JNICALL |
| Java_gnu_java_net_VMPlainSocketImpl_shutdownOutput (JNIEnv * env, |
| jclass klass __attribute__ ((__unused__)), |
| jobject this) |
| { |
| #ifndef WITHOUT_NETWORK |
| _javanet_shutdownOutput (env, this); |
| #else /* not WITHOUT_NETWORK */ |
| #endif /* not WITHOUT_NETWORK */ |
| } |
| |
| /* end of file */ |