827 lines
21 KiB
C++
827 lines
21 KiB
C++
/* Copyright (C) 1998, 1999, 2000, 2002 Free Software Foundation
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This file is part of libgcj.
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This software is copyrighted work licensed under the terms of the
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Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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details. */
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#include <config.h>
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#ifndef DISABLE_JAVA_NET
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#ifdef USE_WINSOCK
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#include <windows.h>
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#include <winsock.h>
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#include <errno.h>
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#include <string.h>
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#ifndef ENOPROTOOPT
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#define ENOPROTOOPT 109
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#endif
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#else /* USE_WINSOCK */
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#include "posix.h"
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#include <sys/socket.h>
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#include <netinet/in.h>
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#include <netinet/tcp.h>
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#include <errno.h>
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#include <string.h>
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#endif /* USE_WINSOCK */
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#endif /* DISABLE_JAVA_NET */
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#if HAVE_BSTRING_H
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// Needed for bzero, implicitly used by FD_ZERO on IRIX 5.2
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#include <bstring.h>
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#endif
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#ifndef HAVE_SOCKLEN_T
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typedef int socklen_t;
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#endif
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#ifndef DISABLE_JAVA_NET
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// Avoid macro definitions of bind, connect from system headers, e.g. on
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// Solaris 7 with _XOPEN_SOURCE. FIXME
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static inline int
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_Jv_bind (int fd, struct sockaddr *addr, int addrlen)
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{
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return ::bind (fd, addr, addrlen);
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}
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#ifdef bind
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#undef bind
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#endif
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static inline int
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_Jv_connect (int fd, struct sockaddr *addr, int addrlen)
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{
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return ::connect (fd, addr, addrlen);
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}
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#ifdef connect
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#undef connect
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#endif
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// Same problem with accept on Tru64 UNIX with _POSIX_PII_SOCKET
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static inline int
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_Jv_accept (int fd, struct sockaddr *addr, socklen_t *addrlen)
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{
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return ::accept (fd, addr, addrlen);
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}
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#ifdef accept
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#undef accept
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#endif
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// A wrapper for recv so we don't have to do configure tests.
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template <typename T_ret, typename T_fd, typename T_buf,
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typename T_len, typename T_flags>
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static inline ssize_t
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_Jv_recv (T_ret (*recv_func) (T_fd s, T_buf buf, T_len len, T_flags flags),
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int s, void *buf, size_t len, int flags)
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{
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return recv_func ((T_fd) s, (T_buf) buf, (T_len) len, (T_flags) flags);
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}
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#endif /* DISABLE_JAVA_NET */
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#include <gcj/cni.h>
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#include <gcj/javaprims.h>
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#include <java/io/IOException.h>
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#include <java/io/FileDescriptor.h>
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#include <java/io/InterruptedIOException.h>
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#include <java/net/BindException.h>
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#include <java/net/ConnectException.h>
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#include <java/net/PlainSocketImpl.h>
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#include <java/net/InetAddress.h>
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#include <java/net/SocketException.h>
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#include <java/lang/InternalError.h>
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#include <java/lang/Object.h>
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#include <java/lang/Boolean.h>
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#include <java/lang/Class.h>
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#include <java/lang/Integer.h>
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#include <java/lang/Thread.h>
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#include <java/lang/NullPointerException.h>
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#include <java/lang/ArrayIndexOutOfBoundsException.h>
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#include <java/lang/IllegalArgumentException.h>
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#ifdef DISABLE_JAVA_NET
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void
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java::net::PlainSocketImpl::create (jboolean)
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{
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throw new java::io::IOException (
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JvNewStringLatin1 ("SocketImpl.create: unimplemented"));
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}
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void
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java::net::PlainSocketImpl::bind (java::net::InetAddress *, jint)
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{
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throw new BindException (
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JvNewStringLatin1 ("SocketImpl.bind: unimplemented"));
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}
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void
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java::net::PlainSocketImpl::connect (java::net::InetAddress *, jint)
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{
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throw new ConnectException (
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JvNewStringLatin1 ("SocketImpl.connect: unimplemented"));
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}
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void
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java::net::PlainSocketImpl::listen (jint)
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{
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throw new java::io::IOException (
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JvNewStringLatin1 ("SocketImpl.listen: unimplemented"));
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}
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void
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java::net::PlainSocketImpl::accept (java::net::PlainSocketImpl *)
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{
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throw new java::io::IOException (
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JvNewStringLatin1 ("SocketImpl.accept: unimplemented"));
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}
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void
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java::net::PlainSocketImpl::setOption (jint, java::lang::Object *)
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{
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throw new SocketException (
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JvNewStringLatin1 ("SocketImpl.setOption: unimplemented"));
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}
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java::lang::Object *
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java::net::PlainSocketImpl::getOption (jint)
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{
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throw new SocketException (
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JvNewStringLatin1 ("SocketImpl.getOption: unimplemented"));
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}
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jint
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java::net::PlainSocketImpl::read(void)
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{
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throw new SocketException (
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JvNewStringLatin1 ("SocketImpl.read: unimplemented"));
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}
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jint
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java::net::PlainSocketImpl::read(jbyteArray buffer, jint offset, jint count)
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{
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throw new SocketException (
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JvNewStringLatin1 ("SocketImpl.read: unimplemented"));
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}
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void
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java::net::PlainSocketImpl::write(jint b)
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{
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throw new SocketException (
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JvNewStringLatin1 ("SocketImpl.write: unimplemented"));
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}
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void
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java::net::PlainSocketImpl::write(jbyteArray b, jint offset, jint len)
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{
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throw new SocketException (
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JvNewStringLatin1 ("SocketImpl.write: unimplemented"));
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}
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jint
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java::net::PlainSocketImpl::available(void)
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{
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throw new SocketException (
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JvNewStringLatin1 ("SocketImpl.available: unimplemented"));
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}
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void
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java::net::PlainSocketImpl::close(void)
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{
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throw new SocketException (
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JvNewStringLatin1 ("SocketImpl.close: unimplemented"));
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}
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#else /* DISABLE_JAVA_NET */
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union SockAddr
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{
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struct sockaddr_in address;
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#ifdef HAVE_INET6
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struct sockaddr_in6 address6;
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#endif
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};
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void
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java::net::PlainSocketImpl::create (jboolean stream)
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{
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int sock = ::socket (AF_INET, stream ? SOCK_STREAM : SOCK_DGRAM, 0);
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if (sock < 0)
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{
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char* strerr = strerror (errno);
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throw new java::io::IOException (JvNewStringUTF (strerr));
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}
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fnum = sock;
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fd = new java::io::FileDescriptor (sock);
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}
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void
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java::net::PlainSocketImpl::bind (java::net::InetAddress *host, jint lport)
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{
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union SockAddr u;
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struct sockaddr *ptr = (struct sockaddr *) &u.address;
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jbyteArray haddress = host->addr;
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jbyte *bytes = elements (haddress);
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int len = haddress->length;
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int i = 1;
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if (len == 4)
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{
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u.address.sin_family = AF_INET;
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if (host != NULL)
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memcpy (&u.address.sin_addr, bytes, len);
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else
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u.address.sin_addr.s_addr = htonl (INADDR_ANY);
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len = sizeof (struct sockaddr_in);
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u.address.sin_port = htons (lport);
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}
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#ifdef HAVE_INET6
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else if (len == 16)
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{
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u.address6.sin6_family = AF_INET6;
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memcpy (&u.address6.sin6_addr, bytes, len);
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len = sizeof (struct sockaddr_in6);
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u.address6.sin6_port = htons (lport);
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}
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#endif
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else
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throw new java::net::SocketException (JvNewStringUTF ("invalid length"));
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// Enable SO_REUSEADDR, so that servers can reuse ports left in TIME_WAIT.
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::setsockopt(fnum, SOL_SOCKET, SO_REUSEADDR, (char *) &i, sizeof(i));
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if (_Jv_bind (fnum, ptr, len) == 0)
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{
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address = host;
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socklen_t addrlen = sizeof(u);
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if (lport != 0)
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localport = lport;
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else if (::getsockname (fnum, (sockaddr*) &u, &addrlen) == 0)
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localport = ntohs (u.address.sin_port);
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else
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goto error;
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return;
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}
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error:
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char* strerr = strerror (errno);
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throw new java::net::BindException (JvNewStringUTF (strerr));
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}
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void
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java::net::PlainSocketImpl::connect (java::net::InetAddress *host, jint rport)
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{
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union SockAddr u;
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socklen_t addrlen = sizeof(u);
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jbyteArray haddress = host->addr;
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jbyte *bytes = elements (haddress);
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int len = haddress->length;
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struct sockaddr *ptr = (struct sockaddr *) &u.address;
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if (len == 4)
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{
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u.address.sin_family = AF_INET;
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memcpy (&u.address.sin_addr, bytes, len);
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len = sizeof (struct sockaddr_in);
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u.address.sin_port = htons (rport);
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}
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#ifdef HAVE_INET6
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else if (len == 16)
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{
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u.address6.sin6_family = AF_INET6;
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memcpy (&u.address6.sin6_addr, bytes, len);
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len = sizeof (struct sockaddr_in6);
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u.address6.sin6_port = htons (rport);
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}
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#endif
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else
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throw new java::net::SocketException (JvNewStringUTF ("invalid length"));
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if (_Jv_connect (fnum, ptr, len) != 0)
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goto error;
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address = host;
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port = rport;
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// A bind may not have been done on this socket; if so, set localport now.
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if (localport == 0)
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{
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if (::getsockname (fnum, (sockaddr*) &u, &addrlen) == 0)
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localport = ntohs (u.address.sin_port);
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else
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goto error;
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}
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return;
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error:
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char* strerr = strerror (errno);
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throw new java::net::ConnectException (JvNewStringUTF (strerr));
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}
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void
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java::net::PlainSocketImpl::listen (jint backlog)
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{
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if (::listen (fnum, backlog) != 0)
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{
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char* strerr = strerror (errno);
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throw new java::io::IOException (JvNewStringUTF (strerr));
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}
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}
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void
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java::net::PlainSocketImpl::accept (java::net::PlainSocketImpl *s)
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{
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union SockAddr u;
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socklen_t addrlen = sizeof(u);
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int new_socket = 0;
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// Do timeouts via select since SO_RCVTIMEO is not always available.
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if (timeout > 0)
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{
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fd_set rset;
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struct timeval tv;
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FD_ZERO(&rset);
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FD_SET(fnum, &rset);
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tv.tv_sec = timeout / 1000;
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tv.tv_usec = (timeout % 1000) * 1000;
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int retval;
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if ((retval = _Jv_select (fnum + 1, &rset, NULL, NULL, &tv)) < 0)
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goto error;
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else if (retval == 0)
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throw new java::io::InterruptedIOException (
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JvNewStringUTF("Accept timed out"));
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}
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new_socket = _Jv_accept (fnum, (sockaddr*) &u, &addrlen);
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if (new_socket < 0)
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goto error;
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jbyteArray raddr;
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jint rport;
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if (u.address.sin_family == AF_INET)
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{
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raddr = JvNewByteArray (4);
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memcpy (elements (raddr), &u.address.sin_addr, 4);
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rport = ntohs (u.address.sin_port);
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}
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#ifdef HAVE_INET6
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else if (u.address.sin_family == AF_INET6)
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{
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raddr = JvNewByteArray (16);
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memcpy (elements (raddr), &u.address6.sin6_addr, 16);
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rport = ntohs (u.address6.sin6_port);
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}
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#endif
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else
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throw new java::net::SocketException (JvNewStringUTF ("invalid family"));
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s->fnum = new_socket;
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s->localport = localport;
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s->address = new InetAddress (raddr, NULL);
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s->port = rport;
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s->fd = new java::io::FileDescriptor (new_socket);
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return;
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error:
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char* strerr = strerror (errno);
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throw new java::io::IOException (JvNewStringUTF (strerr));
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}
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|
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// Close(shutdown) the socket.
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void
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java::net::PlainSocketImpl::close()
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{
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// should we use shutdown here? how would that effect so_linger?
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int res = ::close (fnum);
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|
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if (res == -1)
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{
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// These three errors are not errors according to tests performed
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// on the reference implementation.
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if (errno != ENOTCONN && errno != ECONNRESET && errno != EBADF)
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throw new java::io::IOException (JvNewStringUTF (strerror (errno)));
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}
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// Safe place to reset the file pointer.
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fnum = -1;
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}
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|
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// Write a byte to the socket.
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void
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java::net::PlainSocketImpl::write(jint b)
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{
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jbyte d =(jbyte) b;
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int r = 0;
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|
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while (r != 1)
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{
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r = ::write (fnum, &d, 1);
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if (r == -1)
|
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{
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if (java::lang::Thread::interrupted())
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{
|
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java::io::InterruptedIOException *iioe
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= new java::io::InterruptedIOException
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(JvNewStringLatin1 (strerror (errno)));
|
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iioe->bytesTransferred = 0;
|
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throw iioe;
|
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}
|
|
// Some errors should not cause exceptions.
|
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if (errno != ENOTCONN && errno != ECONNRESET && errno != EBADF)
|
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throw new java::io::IOException (JvNewStringUTF (strerror (errno)));
|
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}
|
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}
|
|
}
|
|
|
|
// Write some bytes to the socket.
|
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void
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java::net::PlainSocketImpl::write(jbyteArray b, jint offset, jint len)
|
|
{
|
|
if (! b)
|
|
throw new java::lang::NullPointerException;
|
|
if (offset < 0 || len < 0 || offset + len > JvGetArrayLength (b))
|
|
throw new java::lang::ArrayIndexOutOfBoundsException;
|
|
|
|
jbyte *bytes = elements (b) + offset;
|
|
int written = 0;
|
|
while (len > 0)
|
|
{
|
|
int r = ::write (fnum, bytes, len);
|
|
if (r == -1)
|
|
{
|
|
if (java::lang::Thread::interrupted())
|
|
{
|
|
java::io::InterruptedIOException *iioe
|
|
= new java::io::InterruptedIOException
|
|
(JvNewStringLatin1 (strerror (errno)));
|
|
iioe->bytesTransferred = written;
|
|
throw iioe;
|
|
}
|
|
// Some errors should not cause exceptions.
|
|
if (errno != ENOTCONN && errno != ECONNRESET && errno != EBADF)
|
|
throw new java::io::IOException (JvNewStringUTF (strerror (errno)));
|
|
}
|
|
written += r;
|
|
len -= r;
|
|
bytes += r;
|
|
}
|
|
}
|
|
|
|
|
|
// Read a single byte from the socket.
|
|
jint
|
|
java::net::PlainSocketImpl::read(void)
|
|
{
|
|
jbyte b;
|
|
|
|
// Do timeouts via select.
|
|
if (timeout > 0)
|
|
{
|
|
// Create the file descriptor set.
|
|
fd_set read_fds;
|
|
FD_ZERO (&read_fds);
|
|
FD_SET (fnum,&read_fds);
|
|
// Create the timeout struct based on our internal timeout value.
|
|
struct timeval timeout_value;
|
|
timeout_value.tv_sec = timeout / 1000;
|
|
timeout_value.tv_usec = (timeout % 1000) * 1000;
|
|
// Select on the fds.
|
|
int sel_retval = _Jv_select (fnum + 1, &read_fds, NULL, NULL, &timeout_value);
|
|
// If select returns 0 we've waited without getting data...
|
|
// that means we've timed out.
|
|
if (sel_retval == 0)
|
|
throw new java::io::InterruptedIOException
|
|
(JvNewStringUTF ("read timed out") );
|
|
// If select returns ok we know we either got signalled or read some data...
|
|
// either way we need to try to read.
|
|
}
|
|
int r = ::read (fnum, &b, 1);
|
|
|
|
if (r == 0)
|
|
return -1;
|
|
if (java::lang::Thread::interrupted())
|
|
{
|
|
java::io::InterruptedIOException *iioe =
|
|
new java::io::InterruptedIOException
|
|
(JvNewStringUTF("read interrupted"));
|
|
iioe->bytesTransferred = r == -1 ? 0 : r;
|
|
throw iioe;
|
|
}
|
|
else if (r == -1)
|
|
{
|
|
// Some errors cause us to return end of stream...
|
|
if (errno == ENOTCONN)
|
|
return -1;
|
|
// Other errors need to be signalled.
|
|
throw new java::io::IOException (JvNewStringUTF (strerror (errno)));
|
|
}
|
|
return b & 0xFF;
|
|
}
|
|
|
|
// Read count bytes into the buffer, starting at offset.
|
|
jint
|
|
java::net::PlainSocketImpl::read(jbyteArray buffer, jint offset, jint count)
|
|
{
|
|
if (! buffer)
|
|
throw new java::lang::NullPointerException;
|
|
jsize bsize = JvGetArrayLength (buffer);
|
|
if (offset < 0 || count < 0 || offset + count > bsize)
|
|
throw new java::lang::ArrayIndexOutOfBoundsException;
|
|
jbyte *bytes = elements (buffer) + offset;
|
|
|
|
// Do timeouts via select.
|
|
if (timeout > 0)
|
|
{
|
|
// Create the file descriptor set.
|
|
fd_set read_fds;
|
|
FD_ZERO (&read_fds);
|
|
FD_SET (fnum, &read_fds);
|
|
// Create the timeout struct based on our internal timeout value.
|
|
struct timeval timeout_value;
|
|
timeout_value.tv_sec = timeout / 1000;
|
|
timeout_value.tv_usec =(timeout % 1000) * 1000;
|
|
// Select on the fds.
|
|
int sel_retval = _Jv_select (fnum + 1, &read_fds, NULL, NULL, &timeout_value);
|
|
// We're only interested in the 0 return.
|
|
// error returns still require us to try to read
|
|
// the socket to see what happened.
|
|
if (sel_retval == 0)
|
|
{
|
|
java::io::InterruptedIOException *iioe =
|
|
new java::io::InterruptedIOException
|
|
(JvNewStringUTF ("read interrupted"));
|
|
iioe->bytesTransferred = 0;
|
|
throw iioe;
|
|
}
|
|
}
|
|
// Read the socket.
|
|
int r = _Jv_recv (::recv, fnum, (void *) bytes, count, 0);
|
|
if (r == 0)
|
|
return -1;
|
|
if (java::lang::Thread::interrupted())
|
|
{
|
|
java::io::InterruptedIOException *iioe =
|
|
new java::io::InterruptedIOException
|
|
(JvNewStringUTF ("read interrupted"));
|
|
iioe->bytesTransferred = r == -1 ? 0 : r;
|
|
throw iioe;
|
|
}
|
|
else if (r == -1)
|
|
{
|
|
// Some errors cause us to return end of stream...
|
|
if (errno == ENOTCONN)
|
|
return -1;
|
|
// Other errors need to be signalled.
|
|
throw new java::io::IOException (JvNewStringUTF (strerror (errno)));
|
|
}
|
|
return r;
|
|
}
|
|
|
|
// How many bytes are available?
|
|
jint
|
|
java::net::PlainSocketImpl::available(void)
|
|
{
|
|
#if defined(FIONREAD) || defined(HAVE_SELECT)
|
|
long num = 0;
|
|
int r = 0;
|
|
bool num_set = false;
|
|
|
|
#if defined(FIONREAD)
|
|
r = ::ioctl (fnum, FIONREAD, &num);
|
|
if (r == -1 && errno == ENOTTY)
|
|
{
|
|
// If the ioctl doesn't work, we don't care.
|
|
r = 0;
|
|
num = 0;
|
|
}
|
|
else
|
|
num_set = true;
|
|
#elif defined(HAVE_SELECT)
|
|
if (fnum < 0)
|
|
{
|
|
errno = EBADF;
|
|
r = -1;
|
|
}
|
|
#endif
|
|
|
|
if (r == -1)
|
|
{
|
|
posix_error:
|
|
throw new java::io::IOException(JvNewStringUTF(strerror(errno)));
|
|
|
|
}
|
|
|
|
// If we didn't get anything we can use select.
|
|
|
|
#if defined(HAVE_SELECT)
|
|
if (! num_set)
|
|
{
|
|
fd_set rd;
|
|
FD_ZERO (&rd);
|
|
FD_SET (fnum, &rd);
|
|
struct timeval tv;
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = 0;
|
|
r = _Jv_select (fnum + 1, &rd, NULL, NULL, &tv);
|
|
if(r == -1)
|
|
goto posix_error;
|
|
num = r == 0 ? 0 : 1;
|
|
}
|
|
#endif /* HAVE_SELECT */
|
|
|
|
return (jint) num;
|
|
#else
|
|
throw new java::io::IOException (JvNewStringUTF ("unimplemented"));
|
|
#endif
|
|
}
|
|
|
|
|
|
void
|
|
java::net::PlainSocketImpl::setOption (jint optID, java::lang::Object *value)
|
|
{
|
|
int val;
|
|
socklen_t val_len = sizeof (val);
|
|
|
|
if (_Jv_IsInstanceOf (value, &java::lang::Boolean::class$))
|
|
{
|
|
java::lang::Boolean *boolobj =
|
|
static_cast<java::lang::Boolean *> (value);
|
|
if (boolobj->booleanValue())
|
|
val = 1;
|
|
else
|
|
{
|
|
if (optID == _Jv_SO_LINGER_)
|
|
val = -1;
|
|
else
|
|
val = 0;
|
|
}
|
|
}
|
|
else if (_Jv_IsInstanceOf (value, &java::lang::Integer::class$))
|
|
{
|
|
java::lang::Integer *intobj =
|
|
static_cast<java::lang::Integer *> (value);
|
|
val = (int) intobj->intValue();
|
|
}
|
|
else
|
|
{
|
|
throw new java::lang::IllegalArgumentException (JvNewStringLatin1 ("`value' must be Boolean or Integer"));
|
|
}
|
|
|
|
switch (optID)
|
|
{
|
|
case _Jv_TCP_NODELAY_ :
|
|
#ifdef TCP_NODELAY
|
|
if (::setsockopt (fnum, IPPROTO_TCP, TCP_NODELAY, (char *) &val,
|
|
val_len) != 0)
|
|
goto error;
|
|
#else
|
|
throw new java::lang::InternalError (
|
|
JvNewStringUTF ("TCP_NODELAY not supported"));
|
|
#endif /* TCP_NODELAY */
|
|
return;
|
|
case _Jv_SO_LINGER_ :
|
|
#ifdef SO_LINGER
|
|
struct linger l_val;
|
|
l_val.l_onoff = (val != -1);
|
|
l_val.l_linger = val;
|
|
if (::setsockopt (fnum, SOL_SOCKET, SO_LINGER, (char *) &l_val,
|
|
sizeof(l_val)) != 0)
|
|
goto error;
|
|
#else
|
|
throw new java::lang::InternalError (
|
|
JvNewStringUTF ("SO_LINGER not supported"));
|
|
#endif /* SO_LINGER */
|
|
return;
|
|
case _Jv_SO_SNDBUF_ :
|
|
case _Jv_SO_RCVBUF_ :
|
|
#if defined(SO_SNDBUF) && defined(SO_RCVBUF)
|
|
int opt;
|
|
optID == _Jv_SO_SNDBUF_ ? opt = SO_SNDBUF : opt = SO_RCVBUF;
|
|
if (::setsockopt (fnum, SOL_SOCKET, opt, (char *) &val, val_len) != 0)
|
|
goto error;
|
|
#else
|
|
throw new java::lang::InternalError (
|
|
JvNewStringUTF ("SO_RCVBUF/SO_SNDBUF not supported"));
|
|
#endif
|
|
return;
|
|
case _Jv_SO_BINDADDR_ :
|
|
throw new java::net::SocketException (
|
|
JvNewStringUTF ("SO_BINDADDR: read only option"));
|
|
return;
|
|
case _Jv_IP_MULTICAST_IF_ :
|
|
throw new java::net::SocketException (
|
|
JvNewStringUTF ("IP_MULTICAST_IF: not valid for TCP"));
|
|
return;
|
|
case _Jv_SO_REUSEADDR_ :
|
|
throw new java::net::SocketException (
|
|
JvNewStringUTF ("SO_REUSEADDR: not valid for TCP"));
|
|
return;
|
|
case _Jv_SO_TIMEOUT_ :
|
|
timeout = val;
|
|
return;
|
|
default :
|
|
errno = ENOPROTOOPT;
|
|
}
|
|
|
|
error:
|
|
char* strerr = strerror (errno);
|
|
throw new java::net::SocketException (JvNewStringUTF (strerr));
|
|
}
|
|
|
|
java::lang::Object *
|
|
java::net::PlainSocketImpl::getOption (jint optID)
|
|
{
|
|
int val;
|
|
socklen_t val_len = sizeof(val);
|
|
union SockAddr u;
|
|
socklen_t addrlen = sizeof(u);
|
|
struct linger l_val;
|
|
socklen_t l_val_len = sizeof(l_val);
|
|
|
|
switch (optID)
|
|
{
|
|
#ifdef TCP_NODELAY
|
|
case _Jv_TCP_NODELAY_ :
|
|
if (::getsockopt (fnum, IPPROTO_TCP, TCP_NODELAY, (char *) &val,
|
|
&val_len) != 0)
|
|
goto error;
|
|
else
|
|
return new java::lang::Boolean (val != 0);
|
|
#else
|
|
throw new java::lang::InternalError (
|
|
JvNewStringUTF ("TCP_NODELAY not supported"));
|
|
#endif
|
|
break;
|
|
|
|
case _Jv_SO_LINGER_ :
|
|
#ifdef SO_LINGER
|
|
if (::getsockopt (fnum, SOL_SOCKET, SO_LINGER, (char *) &l_val,
|
|
&l_val_len) != 0)
|
|
goto error;
|
|
if (l_val.l_onoff)
|
|
return new java::lang::Integer (l_val.l_linger);
|
|
else
|
|
return new java::lang::Boolean ((__java_boolean)false);
|
|
#else
|
|
throw new java::lang::InternalError (
|
|
JvNewStringUTF ("SO_LINGER not supported"));
|
|
#endif
|
|
break;
|
|
case _Jv_SO_RCVBUF_ :
|
|
case _Jv_SO_SNDBUF_ :
|
|
#if defined(SO_SNDBUF) && defined(SO_RCVBUF)
|
|
int opt;
|
|
optID == _Jv_SO_SNDBUF_ ? opt = SO_SNDBUF : opt = SO_RCVBUF;
|
|
if (::getsockopt (fnum, SOL_SOCKET, opt, (char *) &val, &val_len) != 0)
|
|
goto error;
|
|
else
|
|
return new java::lang::Integer (val);
|
|
#else
|
|
throw new java::lang::InternalError (
|
|
JvNewStringUTF ("SO_RCVBUF/SO_SNDBUF not supported"));
|
|
#endif
|
|
break;
|
|
case _Jv_SO_BINDADDR_:
|
|
// cache the local address
|
|
if (localAddress == NULL)
|
|
{
|
|
jbyteArray laddr;
|
|
if (::getsockname (fnum, (sockaddr*) &u, &addrlen) != 0)
|
|
goto error;
|
|
if (u.address.sin_family == AF_INET)
|
|
{
|
|
laddr = JvNewByteArray (4);
|
|
memcpy (elements (laddr), &u.address.sin_addr, 4);
|
|
}
|
|
#ifdef HAVE_INET6
|
|
else if (u.address.sin_family == AF_INET6)
|
|
{
|
|
laddr = JvNewByteArray (16);
|
|
memcpy (elements (laddr), &u.address6.sin6_addr, 16);
|
|
}
|
|
#endif
|
|
else
|
|
throw
|
|
new java::net::SocketException (JvNewStringUTF ("invalid family"));
|
|
localAddress = new java::net::InetAddress (laddr, NULL);
|
|
}
|
|
return localAddress;
|
|
break;
|
|
case _Jv_IP_MULTICAST_IF_ :
|
|
throw new java::net::SocketException (
|
|
JvNewStringUTF ("IP_MULTICAST_IF: not valid for TCP"));
|
|
break;
|
|
case _Jv_SO_REUSEADDR_ :
|
|
throw new java::net::SocketException (
|
|
JvNewStringUTF ("SO_REUSEADDR: not valid for TCP"));
|
|
break;
|
|
case _Jv_SO_TIMEOUT_ :
|
|
return new java::lang::Integer (timeout);
|
|
break;
|
|
default :
|
|
errno = ENOPROTOOPT;
|
|
}
|
|
|
|
error:
|
|
char* strerr = strerror (errno);
|
|
throw new java::net::SocketException (JvNewStringUTF (strerr));
|
|
}
|
|
|
|
#endif /* DISABLE_JAVA_NET */
|