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A reactive Java web server.
/*
* Copyright (c) 1998-2015 Caucho Technology -- all rights reserved
*
* This file is part of Baratine(TM)
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Baratine 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 of the License, or
* (at your option) any later version.
*
* Baratine 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Baratine; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.v5.jni;
import java.io.IOException;
import java.net.InetAddress;
import java.util.logging.Level;
import java.util.logging.Logger;
import com.caucho.v5.io.ServerSocketBar;
import com.caucho.v5.io.SocketBar;
import com.caucho.v5.jni.JniUtil.JniLoad;
import com.caucho.v5.util.L10N;
/**
* Abstract socket to handle both normal sockets and bin/resin sockets.
*/
public class JniServerSocketImpl extends ServerSocketBar
{
private static final L10N L = new L10N(JniServerSocketImpl.class);
private static final Logger log = Logger.getLogger(JniServerSocketImpl.class.getName());
private static final JniTroubleshoot _jniTroubleshoot;
private static final boolean _isSendfileEnabled;
private static final boolean _isCorkEnabled;
private long _fd;
private String _id;
private String _host;
private long _socketTimeout = 120 * 1000L;
private boolean _isSSL;
/**
* Creates the new server socket.
*/
private JniServerSocketImpl(String host, int port)
throws IOException
{
_fd = bindPort(host, port);
_id = host + ":" + port;
_host = host;
if (_fd != 0) {
}
else if (port < 1000) {
throw new IOException(L.l("Socket bind failed for {0}:{1} while running as {2}. Check for for permissions (root on unix) and for other processes listening to the port.",
host, port,
System.getProperty("user.name")));
}
else {
throw new IOException(L.l("Socket bind failed for {0}:{1} while running as {2}. Check for other processes listening to the port.",
host, port,
System.getProperty("user.name")));
}
}
/**
* Creates the new server socket.
*/
private JniServerSocketImpl(int fd, int port, boolean isOpen)
throws IOException
{
_fd = nativeOpenPort(fd, port);
_id = "fd=" + fd + ",port=" + port;
if (_fd == 0)
throw new java.net.BindException(L.l("Socket bind failed for port {0} fd={1} opened by watchdog. Check that the watchdog and Resin permissions are properly configured.", port, fd));
}
/**
* Creates the new server socket.
*/
/*
private JniServerSocketImpl(PathImpl path)
throws IOException
{
path.getParent().mkdirs();
_fd = bindUnix(path.getNativePath());
_id = path.getNativePath();
_host = "localhost";
if (_fd == 0)
throw new IOException(L.l("Unix socket bind failed for {0} while running as {1}. Check for other processes listening to the port and check for permissions (root on unix).",
path,
System.getProperty("user.name")));
}
*/
public static boolean isEnabled()
{
return _jniTroubleshoot.isEnabled();
}
public static String getInitMessage()
{
if (! _jniTroubleshoot.isEnabled())
return _jniTroubleshoot.getMessage();
else
return null;
}
public static boolean isSendfileEnabledStatic()
{
return _isSendfileEnabled;
}
public void setSSL(boolean isSSL)
{
_isSSL = isSSL;
}
public boolean isSendfileEnabled()
{
return isSendfileEnabledStatic() && ! _isSSL;
}
public static boolean isTcpCorkEnabled()
{
return _isCorkEnabled;
}
/**
* Returns the file descriptor to OpenSSLFactory. No other classes
* may use the file descriptor.
*/
public long getFd()
{
return _fd;
}
/**
* Returns true if this is a JNI socket, to distinguish between
* file-descriptors we have extra control over.
*/
@Override
public boolean isJni()
{
return true;
}
public boolean isJniValid()
{
return isEnabled();
}
@Override
public boolean setSaveOnExec()
{
return nativeSetSaveOnExec(_fd);
}
@Override
public int getSystemFD()
{
return nativeGetSystemFD(_fd);
}
/**
* Sets the socket's listen backlog.
*/
@Override
public void listen(int backlog)
{
nativeListen(_fd, backlog);
}
public static ServerSocketBar create(String host, int port)
throws IOException
{
_jniTroubleshoot.checkIsValid();
return new JniServerSocketImpl(host, port);
}
public static ServerSocketBar open(int fd, int port)
throws IOException
{
_jniTroubleshoot.checkIsValid();
return new JniServerSocketImpl(fd, port, true);
}
/**
* Creates a unix domain socket.
*/
/*
public static ServerSocketBar bindPath(PathImpl path)
throws IOException
{
_jniTroubleshoot.checkIsValid();
return new JniServerSocketImpl(path);
}
*/
/**
* Sets the connection read timeout.
*/
@Override
public void setConnectionSocketTimeout(int ms)
{
_socketTimeout = ms;
nativeSetConnectionSocketTimeout(_fd, ms);
}
/**
* Sets the connection tcp-no-delay.
*/
@Override
public void setTcpNoDelay(boolean isEnable)
{
nativeSetTcpNoDelay(_fd, isEnable);
}
/**
* Sets the connection tcp-no-delay.
*/
@Override
public boolean isTcpNoDelay()
{
return nativeIsTcpNoDelay(_fd);
}
/**
* Sets the connection tcp-keepalive delay.
*/
@Override
public void setTcpKeepalive(boolean isEnable)
{
nativeSetTcpKeepalive(_fd, isEnable);
}
/**
* Sets the connection tcp-keepalive delay.
*/
@Override
public boolean isTcpKeepalive()
{
return nativeIsTcpKeepalive(_fd);
}
/**
* Sets the connection tcp-keepalive delay.
*/
@Override
public void setTcpCork(boolean isEnable)
{
if (_isCorkEnabled) {
nativeSetTcpCork(_fd, isEnable);
}
}
/**
* Sets the connection tcp-keepalive delay.
*/
@Override
public boolean isTcpCork()
{
return nativeIsTcpCork(_fd);
}
/**
* Accepts a new connection from the socket.
*
* @param socket the socket connection structure
*
* @return true if the accept returns a new socket.
*/
@Override
public boolean accept(SocketBar socket)
throws IOException
{
JniSocketImpl jniSocket = (JniSocketImpl) socket;
if (_fd == 0)
throw new IOException("accept from closed socket");
return jniSocket.accept(this, _fd, _socketTimeout);
}
/**
* Factory method creating an instance socket.
*/
@Override
public SocketBar createSocket()
{
return new JniSocketImpl();
}
@Override
public InetAddress getLocalAddress()
{
try {
if (_host != null)
return InetAddress.getByName(_host);
else
return InetAddress.getLocalHost();
} catch (Exception e) {
return null;
}
}
@Override
public int getLocalPort()
{
return nativeLocalPort(_fd);
}
public boolean isClosed()
{
return _fd == 0;
}
/**
* Closes the socket.
*/
@Override
public void close()
throws IOException
{
long fd;
synchronized (this) {
fd = _fd;
_fd = 0;
}
if (fd != 0) {
closeNative(fd);
}
}
public String toString()
{
return getClass().getSimpleName() + "[" + _id + "]";
}
@Override
public void finalize()
throws Throwable
{
try {
close();
} catch (Throwable e) {
}
super.finalize();
}
/**
* Binds the port.
*/
static native long bindPort(String ip, int port);
/**
* Binds the port.
*/
static native long bindUnix(String path);
/**
* Open the port.
*/
static native long nativeOpenPort(int fd, int port);
/**
* Sets the connection read timeout.
*/
native void nativeSetConnectionSocketTimeout(long fd, int timeout);
/**
* Sets the connection tcp-no-delay
*/
native void nativeSetTcpNoDelay(long fd, boolean isEnable);
/**
* Sets the connection tcp-no-delay
*/
native boolean nativeIsTcpNoDelay(long fd);
/**
* Sets the connection tcp-keepalive
*/
native void nativeSetTcpKeepalive(long fd, boolean isEnable);
/**
* Sets the connection tcp-keepalive
*/
native boolean nativeIsTcpKeepalive(long fd);
/**
* Sets the connection tcp-cork
*/
native void nativeSetTcpCork(long fd, boolean isEnable);
/**
* Sets the connection tcp-cork
*/
native boolean nativeIsTcpCork(long fd);
/**
* Sets the listen backlog
*/
native void nativeListen(long fd, int listen);
/**
* Returns the server's local port.
*/
private native int nativeLocalPort(long fd);
/**
* Returns the OS file descriptor.
*/
private native int nativeGetSystemFD(long fd);
/**
* Save across an exec.
*/
private native boolean nativeSetSaveOnExec(long fd);
/**
* True if sendfile is available.
*/
private static native boolean nativeIsSendfileEnabled();
/**
* True if cork is available.
*/
private static native boolean nativeIsCorkEnabled();
/**
* Closes the server socket.
*/
native int closeNative(long fd)
throws IOException;
static {
boolean isSendfileEnabled = false;
boolean isCorkEnabled = false;
_jniTroubleshoot
= JniUtil.load(JniServerSocketImpl.class,
new JniLoad() {
public void load(String path) { System.load(path); }},
"baratine");
JniUtil.acquire();
try {
isSendfileEnabled = nativeIsSendfileEnabled();
isCorkEnabled = nativeIsCorkEnabled();
} catch (Throwable e) {
log.finer(e.toString());
log.log(Level.FINEST, e.toString(), e);
} finally {
JniUtil.release();
}
_isSendfileEnabled = isSendfileEnabled;
_isCorkEnabled = isCorkEnabled;
}
}
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