/*
* Copyright 2000-2005 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.
*/
package sun.nio.ch;
import cli.System.Net.IPAddress;
import cli.System.Net.IPEndPoint;
import cli.System.Net.Sockets.LingerOption;
import cli.System.Net.Sockets.SelectMode;
import cli.System.Net.Sockets.SocketOptionName;
import cli.System.Net.Sockets.SocketOptionLevel;
import cli.System.Net.Sockets.SocketFlags;
import cli.System.Net.Sockets.SocketType;
import cli.System.Net.Sockets.ProtocolType;
import cli.System.Net.Sockets.AddressFamily;
import cli.System.Net.Sockets.SocketShutdown;
import ikvm.lang.CIL;
import java.io.*;
import java.lang.reflect.*;
import java.net.*;
import java.nio.ByteBuffer;
import java.nio.channels.*;
class Net { // package-private
private Net() { }
// Winsock Error Codes
static final int WSAEINVAL = 10022;
static final int WSAEWOULDBLOCK = 10035;
static final int WSAEMSGSIZE = 10040;
static final int WSAEADDRINUSE = 10048;
static final int WSAENETUNREACH = 10051;
static final int WSAECONNRESET = 10054;
static final int WSAESHUTDOWN = 10058;
static final int WSAETIMEDOUT = 10060;
static final int WSAECONNREFUSED = 10061;
static final int WSAEHOSTUNREACH = 10065;
static final int WSAHOST_NOT_FOUND = 11001;
static FileDescriptor serverSocket(boolean stream) throws IOException
{
return socket(stream);
}
static FileDescriptor socket(boolean stream) throws IOException
{
try
{
if (false) throw new cli.System.Net.Sockets.SocketException();
FileDescriptor fd = new FileDescriptor();
if (stream)
{
fd.setSocket(new cli.System.Net.Sockets.Socket(AddressFamily.wrap(AddressFamily.InterNetwork), SocketType.wrap(SocketType.Stream), ProtocolType.wrap(ProtocolType.Tcp)));
}
else
{
fd.setSocket(new cli.System.Net.Sockets.Socket(AddressFamily.wrap(AddressFamily.InterNetwork), SocketType.wrap(SocketType.Dgram), ProtocolType.wrap(ProtocolType.Udp)));
}
return fd;
}
catch (cli.System.Net.Sockets.SocketException x)
{
throw PlainSocketImpl.convertSocketExceptionToIOException(x);
}
}
static void bind(FileDescriptor fd, InetAddress addr, int port) throws IOException
{
try
{
if (false) throw new cli.System.Net.Sockets.SocketException();
if (false) throw new cli.System.ObjectDisposedException("");
fd.getSocket().Bind(new IPEndPoint(PlainSocketImpl.getAddressFromInetAddress(addr), port));
}
catch (cli.System.Net.Sockets.SocketException x)
{
throw PlainSocketImpl.convertSocketExceptionToIOException(x);
}
catch (cli.System.ObjectDisposedException x1)
{
throw new SocketException("Socket is closed");
}
}
static void configureBlocking(FileDescriptor fd, boolean blocking) throws IOException
{
try
{
if (false) throw new cli.System.Net.Sockets.SocketException();
if (false) throw new cli.System.ObjectDisposedException("");
fd.getSocket().set_Blocking(blocking);
}
catch (cli.System.Net.Sockets.SocketException x)
{
if (x.get_ErrorCode() == WSAEINVAL)
{
// Work around for winsock issue. You can't set a socket to blocking if a connection request is pending,
// so we'll have to set the blocking again in SocketChannelImpl.checkConnect().
return;
}
throw PlainSocketImpl.convertSocketExceptionToIOException(x);
}
catch (cli.System.ObjectDisposedException _)
{
throw new SocketException("Socket is closed");
}
}
static InetSocketAddress localAddress(FileDescriptor fd)
{
try
{
if (false) throw new cli.System.Net.Sockets.SocketException();
if (false) throw new cli.System.ObjectDisposedException("");
IPEndPoint ep = (IPEndPoint)fd.getSocket().get_LocalEndPoint();
return new InetSocketAddress(PlainSocketImpl.getInetAddressFromIPEndPoint(ep), ep.get_Port());
}
catch (cli.System.Net.Sockets.SocketException x)
{
throw new Error(x);
}
catch (cli.System.ObjectDisposedException x)
{
throw new Error(x);
}
}
static int localPortNumber(FileDescriptor fd)
{
try
{
if (false) throw new cli.System.Net.Sockets.SocketException();
if (false) throw new cli.System.ObjectDisposedException("");
IPEndPoint ep = (IPEndPoint)fd.getSocket().get_LocalEndPoint();
return ep == null ? 0 : ep.get_Port();
}
catch (cli.System.Net.Sockets.SocketException x)
{
throw new Error(x);
}
catch (cli.System.ObjectDisposedException x)
{
throw new Error(x);
}
}
private static int mapSocketOptionLevel(int opt) throws IOException
{
switch (opt)
{
case SocketOptions.SO_BROADCAST:
case SocketOptions.SO_KEEPALIVE:
case SocketOptions.SO_LINGER:
case SocketOptions.SO_OOBINLINE:
case SocketOptions.SO_RCVBUF:
case SocketOptions.SO_SNDBUF:
case SocketOptions.SO_REUSEADDR:
return SocketOptionLevel.Socket;
case SocketOptions.IP_MULTICAST_LOOP:
case SocketOptions.IP_TOS:
return SocketOptionLevel.IP;
case SocketOptions.TCP_NODELAY:
return SocketOptionLevel.Tcp;
default:
throw new SocketException("unsupported socket option: " + opt);
}
}
private static int mapSocketOptionName(int opt) throws IOException
{
switch (opt)
{
case SocketOptions.SO_BROADCAST:
return SocketOptionName.Broadcast;
case SocketOptions.SO_KEEPALIVE:
return SocketOptionName.KeepAlive;
case SocketOptions.SO_LINGER:
return SocketOptionName.Linger;
case SocketOptions.SO_OOBINLINE:
return SocketOptionName.OutOfBandInline;
case SocketOptions.SO_RCVBUF:
return SocketOptionName.ReceiveBuffer;
case SocketOptions.SO_SNDBUF:
return SocketOptionName.SendBuffer;
case SocketOptions.SO_REUSEADDR:
return SocketOptionName.ReuseAddress;
case SocketOptions.IP_MULTICAST_LOOP:
return SocketOptionName.MulticastLoopback;
case SocketOptions.IP_TOS:
return SocketOptionName.TypeOfService;
case SocketOptions.TCP_NODELAY:
return SocketOptionName.NoDelay;
default:
throw new SocketException("unsupported socket option: " + opt);
}
}
static void setIntOption(FileDescriptor fd, int opt, int arg) throws IOException
{
try
{
if (false) throw new cli.System.Net.Sockets.SocketException();
if (false) throw new cli.System.ObjectDisposedException("");
int level = mapSocketOptionLevel(opt);
int name = mapSocketOptionName(opt);
fd.getSocket().SetSocketOption(SocketOptionLevel.wrap(level), SocketOptionName.wrap(name), arg);
}
catch (cli.System.Net.Sockets.SocketException x)
{
throw PlainSocketImpl.convertSocketExceptionToIOException(x);
}
catch (cli.System.ObjectDisposedException x1)
{
throw new SocketException("Socket is closed");
}
}
static int getIntOption(FileDescriptor fd, int opt) throws IOException
{
try
{
if (false) throw new cli.System.Net.Sockets.SocketException();
if (false) throw new cli.System.ObjectDisposedException("");
int level = mapSocketOptionLevel(opt);
int name = mapSocketOptionName(opt);
Object obj = fd.getSocket().GetSocketOption(SocketOptionLevel.wrap(level), SocketOptionName.wrap(name));
if (obj instanceof LingerOption)
{
LingerOption lo = (LingerOption)obj;
return lo.get_Enabled() ? lo.get_LingerTime() : -1;
}
return CIL.unbox_int(obj);
}
catch (cli.System.Net.Sockets.SocketException x)
{
throw PlainSocketImpl.convertSocketExceptionToIOException(x);
}
catch (cli.System.ObjectDisposedException x1)
{
throw new SocketException("Socket is closed");
}
}
private static int readImpl(FileDescriptor fd, byte[] buf, int offset, int length) throws IOException
{
if (length == 0)
{
return 0;
}
try
{
if (false) throw new cli.System.Net.Sockets.SocketException();
if (false) throw new cli.System.ObjectDisposedException("");
int read = fd.getSocket().Receive(buf, offset, length, SocketFlags.wrap(SocketFlags.None));
return read == 0 ? IOStatus.EOF : read;
}
catch (cli.System.Net.Sockets.SocketException x)
{
if (x.get_ErrorCode() == PlainSocketImpl.WSAESHUTDOWN)
{
// the socket was shutdown, so we have to return EOF
return IOStatus.EOF;
}
else if (x.get_ErrorCode() == PlainSocketImpl.WSAEWOULDBLOCK)
{
// nothing to read and would block
return IOStatus.UNAVAILABLE;
}
throw PlainSocketImpl.convertSocketExceptionToIOException(x);
}
catch (cli.System.ObjectDisposedException x1)
{
throw new SocketException("Socket is closed");
}
}
static int read(FileDescriptor fd, ByteBuffer dst) throws IOException
{
if (dst.hasArray())
{
byte[] buf = dst.array();
int len = readImpl(fd, buf, dst.arrayOffset() + dst.position(), dst.remaining());
if (len > 0)
{
dst.position(dst.position() + len);
}
return len;
}
else
{
byte[] buf = new byte[dst.remaining()];
int len = readImpl(fd, buf, 0, buf.length);
if (len > 0)
{
dst.put(buf, 0, len);
}
return len;
}
}
static long read(FileDescriptor fd, ByteBuffer[] dsts) throws IOException
{
long totalRead = 0;
for (int i = 0; i < dsts.length; i++)
{
int size = dsts[i].remaining();
if (size > 0)
{
int read = read(fd, dsts[i]);
if (read < 0)
{
break;
}
totalRead += read;
if (read < size || safeGetAvailable(fd) == 0)
{
break;
}
}
}
return totalRead;
}
private static int safeGetAvailable(FileDescriptor fd)
{
try
{
if (false) throw new cli.System.Net.Sockets.SocketException();
if (false) throw new cli.System.ObjectDisposedException("");
return fd.getSocket().get_Available();
}
catch (cli.System.Net.Sockets.SocketException x)
{
}
catch (cli.System.ObjectDisposedException x1)
{
}
return 0;
}
private static int writeImpl(FileDescriptor fd, byte[] buf, int offset, int length) throws IOException
{
try
{
if (false) throw new cli.System.Net.Sockets.SocketException();
if (false) throw new cli.System.ObjectDisposedException("");
return fd.getSocket().Send(buf, offset, length, SocketFlags.wrap(SocketFlags.None));
}
catch (cli.System.Net.Sockets.SocketException x)
{
if (x.get_ErrorCode() == PlainSocketImpl.WSAEWOULDBLOCK)
{
return IOStatus.UNAVAILABLE;
}
throw PlainSocketImpl.convertSocketExceptionToIOException(x);
}
catch (cli.System.ObjectDisposedException x1)
{
throw new SocketException("Socket is closed");
}
}
static int write(FileDescriptor fd, ByteBuffer src) throws IOException
{
if (src.hasArray())
{
byte[] buf = src.array();
int len = writeImpl(fd, buf, src.arrayOffset() + src.position(), src.remaining());
if (len > 0)
{
src.position(src.position() + len);
}
return len;
}
else
{
int pos = src.position();
byte[] buf = new byte[src.remaining()];
src.get(buf);
int len = writeImpl(fd, buf, 0, buf.length);
if (len > 0)
{
src.position(pos + len);
}
return len;
}
}
static long write(FileDescriptor fd, ByteBuffer[] srcs) throws IOException
{
long totalWritten = 0;
for (int i = 0; i < srcs.length; i++)
{
int size = srcs[i].remaining();
if (size > 0)
{
int written = write(fd, srcs[i]);
if (written < 0)
{
break;
}
totalWritten += written;
if (written < size)
{
break;
}
}
}
return totalWritten;
}
// -- Miscellaneous utilities --
static InetSocketAddress checkAddress(SocketAddress sa) {
if (sa == null)
throw new IllegalArgumentException();
if (!(sa instanceof InetSocketAddress))
throw new UnsupportedAddressTypeException(); // ## needs arg
InetSocketAddress isa = (InetSocketAddress)sa;
if (isa.isUnresolved())
throw new UnresolvedAddressException(); // ## needs arg
return isa;
}
static InetSocketAddress asInetSocketAddress(SocketAddress sa) {
if (!(sa instanceof InetSocketAddress))
throw new UnsupportedAddressTypeException();
return (InetSocketAddress)sa;
}
static void translateToSocketException(Exception x)
throws SocketException
{
if (x instanceof SocketException)
throw (SocketException)x;
Exception nx = x;
if (x instanceof ClosedChannelException)
nx = new SocketException("Socket is closed");
else if (x instanceof AlreadyBoundException)
nx = new SocketException("Already bound");
else if (x instanceof NotYetBoundException)
nx = new SocketException("Socket is not bound yet");
else if (x instanceof UnsupportedAddressTypeException)
nx = new SocketException("Unsupported address type");
else if (x instanceof UnresolvedAddressException) {
nx = new SocketException("Unresolved address");
}
if (nx != x)
nx.initCause(x);
if (nx instanceof SocketException)
throw (SocketException)nx;
else if (nx instanceof RuntimeException)
throw (RuntimeException)nx;
else
throw new Error("Untranslated exception", nx);
}
static void translateException(Exception x,
boolean unknownHostForUnresolved)
throws IOException
{
if (x instanceof IOException)
throw (IOException)x;
// Throw UnknownHostException from here since it cannot
// be thrown as a SocketException
if (unknownHostForUnresolved &&
(x instanceof UnresolvedAddressException))
{
throw new UnknownHostException();
}
translateToSocketException(x);
}
static void translateException(Exception x)
throws IOException
{
translateException(x, false);
}
}