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MMOCore

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mobius 2015-01-01 22:21:21 +00:00
parent d3e645699f
commit d10aa330d7
23 changed files with 2268 additions and 0 deletions
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others/MMOCore/.classpath Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<classpath>
<classpathentry kind="src" path="src" />
<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER" />
<classpathentry kind="output" path="bin" />
</classpath>

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others/MMOCore/.project Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<projectDescription>
<name>MMOCore</name>
<comment></comment>
<projects>
</projects>
<buildSpec>
<buildCommand>
<name>org.eclipse.jdt.core.javabuilder</name>
<arguments>
</arguments>
</buildCommand>
</buildSpec>
<natures>
<nature>org.eclipse.jdt.core.javanature</nature>
</natures>
</projectDescription>

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others/MMOCore/.settings/org.eclipse.core.resources.prefs Normal file
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eclipse.preferences.version=1
encoding/<project>=UTF-8

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others/MMOCore/.settings/org.eclipse.core.runtime.prefs Normal file
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eclipse.preferences.version=1
line.separator=\r\n

409
others/MMOCore/.settings/org.eclipse.jdt.core.prefs Normal file
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eclipse.preferences.version=1
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org.eclipse.jdt.core.formatter.join_lines_in_comments=true
org.eclipse.jdt.core.formatter.join_wrapped_lines=true
org.eclipse.jdt.core.formatter.keep_else_statement_on_same_line=false
org.eclipse.jdt.core.formatter.keep_empty_array_initializer_on_one_line=true
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org.eclipse.jdt.core.formatter.keep_then_statement_on_same_line=false
org.eclipse.jdt.core.formatter.lineSplit=300
org.eclipse.jdt.core.formatter.never_indent_block_comments_on_first_column=false
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org.eclipse.jdt.core.formatter.number_of_blank_lines_at_beginning_of_method_body=0
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3
others/MMOCore/.settings/org.eclipse.wst.sse.core.prefs Normal file
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eclipse.preferences.version=1
task-tags/enabled=true
task-tags/use-project-settings=true

12
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DELEGATES_PREFERENCE=delegateValidatorList
USER_BUILD_PREFERENCE=enabledBuildValidatorList
USER_MANUAL_PREFERENCE=enabledManualValidatorList
USER_PREFERENCE=overrideGlobalPreferencestruedisableAllValidationfalseversion1.2.400.v201204260100
eclipse.preferences.version=1
override=true
suspend=false
vals/org.eclipse.wst.dtd.core.dtdDTDValidator/global=FF01
vals/org.eclipse.wst.html.core.HTMLValidator/global=FF01
vals/org.eclipse.wst.html.ui.HTMLValidator/global=TF01
vals/org.eclipse.wst.xml.core.xml/groups=0107include05111contentType128org.eclipse.core.runtime.xmlT111contentType134org.eclipse.wst.xml.core.xmlsourceT111contentType134org.eclipse.wst.xml.core.xslsourceT111contentType134org.eclipse.jst.jsp.core.tldsourceT07fileext03xmlF0107exclude08113projectNature134org.eclipse.jst.j2ee.ejb.EJBNature113projectNature130org.eclipse.jst.j2ee.EARNature04file08.projectT0104file110.classpathT0104file110.settings/T0204file03binF0204file05buildF0204file09build.xmlF01
vf.version=3

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others/MMOCore/build.xml Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<project name="MMOCore" default="build" basedir=".">
<description>
This script will build the MMOCore lib.
This program 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 3, or (at your option)
any later version.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA.
http://www.gnu.org/copyleft/gpl.html
</description>
<property name="src" location="src" />
<property name="build" location="build" />
<property name="build.classes" location="${build}/classes" />
<property name="build.dist" location="${build}/dist" />
<target name="init" depends="clean,checkRequirements" description="Create the output directories.">
<mkdir dir="${build}" />
<mkdir dir="${build.classes}" />
</target>
<target name="compile" depends="init" description="Compile the source.">
<javac srcdir="${src}" destdir="${build.classes}" compiler="modern" debug="true" debuglevel="lines,vars,source" includeantruntime="false" source="1.8" target="1.8" />
</target>
<target name="jar" depends="compile" description="Create the jar file.">
<jar destfile="${build.dist}/mmocore.jar" level="9">
<fileset dir="${build.classes}" />
<manifest>
<attribute name="Built-By" value="${user.name}" />
<attribute name="Built-Date" value="${build.tstamp}" />
</manifest>
</jar>
</target>
<target name="dist" depends="jar">
<concat destfile="${build.dist}/MMOCore_CHANGELOG.txt">${l2j.changelog}</concat>
</target>
<target name="build" depends="dist" description="Generates a zip with the MMOCore.">
<zip destfile="${build}/mmocore.zip" basedir="${build.dist}" level="9" />
</target>
<target name="clean" description="Remove the output directories.">
<delete dir="${build}" />
</target>
<target name="checkRequirements" description="Check Requirements">
<fail message="Ant 1.8.2 is required. But your version is ${ant.version} and if you are using Eclipse probably is outdated.">
<condition>
<not>
<antversion atleast="1.8.2" />
</not>
</condition>
</fail>
<available classname="java.lang.AutoCloseable" property="JDK8.present" />
<fail unless="JDK8.present" message="Java 1.8 is required. But your version is Java ${ant.java.version} and probably JDK is not installed." />
</target>
</project>

36
others/MMOCore/src/org/mmocore/network/AbstractPacket.java Normal file
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/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
import java.nio.ByteBuffer;
/**
* @author KenM
* @param <T>
*/
public abstract class AbstractPacket<T extends MMOClient<?>>
{
protected ByteBuffer _buf;
protected T _client;
public final T getClient()
{
return _client;
}
}

28
others/MMOCore/src/org/mmocore/network/IAcceptFilter.java Normal file
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@ -0,0 +1,28 @@
/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
import java.nio.channels.SocketChannel;
/**
* @author KenM
*/
public interface IAcceptFilter
{
public boolean accept(SocketChannel sc);
}

27
others/MMOCore/src/org/mmocore/network/IClientFactory.java Normal file
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/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
/**
* @author KenM
* @param <T>
*/
public interface IClientFactory<T extends MMOClient<?>>
{
public T create(final MMOConnection<T> con);
}

27
others/MMOCore/src/org/mmocore/network/IMMOExecutor.java Normal file
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@ -0,0 +1,27 @@
/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
/**
* @author KenM
* @param <T>
*/
public interface IMMOExecutor<T extends MMOClient<?>>
{
public void execute(ReceivablePacket<T> packet);
}

29
others/MMOCore/src/org/mmocore/network/IPacketHandler.java Normal file
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@ -0,0 +1,29 @@
/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
import java.nio.ByteBuffer;
/**
* @author KenM
* @param <T>
*/
public interface IPacketHandler<T extends MMOClient<?>>
{
public ReceivablePacket<T> handlePacket(ByteBuffer buf, T client);
}

47
others/MMOCore/src/org/mmocore/network/MMOClient.java Normal file
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@ -0,0 +1,47 @@
/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
import java.nio.ByteBuffer;
/**
* @author KenM
* @param <T>
*/
public abstract class MMOClient<T extends MMOConnection<?>>
{
private final T _con;
public MMOClient(final T con)
{
_con = con;
}
public T getConnection()
{
return _con;
}
public abstract boolean decrypt(final ByteBuffer buf, final int size);
public abstract boolean encrypt(final ByteBuffer buf, final int size);
protected abstract void onDisconnection();
protected abstract void onForcedDisconnection();
}

288
others/MMOCore/src/org/mmocore/network/MMOConnection.java Normal file
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@ -0,0 +1,288 @@
/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import java.net.SocketException;
import java.nio.ByteBuffer;
import java.nio.channels.CancelledKeyException;
import java.nio.channels.ReadableByteChannel;
import java.nio.channels.SelectionKey;
import java.nio.channels.WritableByteChannel;
/**
* @author KenM
* @param <T>
*/
public class MMOConnection<T extends MMOClient<?>>
{
private final SelectorThread<T> _selectorThread;
private final Socket _socket;
private final InetAddress _address;
private final ReadableByteChannel _readableByteChannel;
private final WritableByteChannel _writableByteChannel;
private final int _port;
private final NioNetStackList<SendablePacket<T>> _sendQueue;
private final SelectionKey _selectionKey;
// private SendablePacket<T> _closePacket;
private ByteBuffer _readBuffer;
private ByteBuffer _primaryWriteBuffer;
private ByteBuffer _secondaryWriteBuffer;
private volatile boolean _pendingClose;
private T _client;
public MMOConnection(final SelectorThread<T> selectorThread, final Socket socket, final SelectionKey key, boolean tcpNoDelay)
{
_selectorThread = selectorThread;
_socket = socket;
_address = socket.getInetAddress();
_readableByteChannel = socket.getChannel();
_writableByteChannel = socket.getChannel();
_port = socket.getPort();
_selectionKey = key;
_sendQueue = new NioNetStackList<>();
try
{
_socket.setTcpNoDelay(tcpNoDelay);
}
catch (SocketException e)
{
e.printStackTrace();
}
}
final void setClient(final T client)
{
_client = client;
}
public final T getClient()
{
return _client;
}
public final void sendPacket(final SendablePacket<T> sp)
{
sp._client = _client;
if (_pendingClose)
{
return;
}
synchronized (getSendQueue())
{
_sendQueue.addLast(sp);
}
if (!_sendQueue.isEmpty())
{
try
{
_selectionKey.interestOps(_selectionKey.interestOps() | SelectionKey.OP_WRITE);
}
catch (CancelledKeyException e)
{
// ignore
}
}
}
final SelectionKey getSelectionKey()
{
return _selectionKey;
}
public final InetAddress getInetAddress()
{
return _address;
}
public final int getPort()
{
return _port;
}
final void close() throws IOException
{
_socket.close();
}
final int read(final ByteBuffer buf) throws IOException
{
return _readableByteChannel.read(buf);
}
final int write(final ByteBuffer buf) throws IOException
{
return _writableByteChannel.write(buf);
}
final void createWriteBuffer(final ByteBuffer buf)
{
if (_primaryWriteBuffer == null)
{
_primaryWriteBuffer = _selectorThread.getPooledBuffer();
_primaryWriteBuffer.put(buf);
}
else
{
final ByteBuffer temp = _selectorThread.getPooledBuffer();
temp.put(buf);
final int remaining = temp.remaining();
_primaryWriteBuffer.flip();
final int limit = _primaryWriteBuffer.limit();
if (remaining >= _primaryWriteBuffer.remaining())
{
temp.put(_primaryWriteBuffer);
_selectorThread.recycleBuffer(_primaryWriteBuffer);
_primaryWriteBuffer = temp;
}
else
{
_primaryWriteBuffer.limit(remaining);
temp.put(_primaryWriteBuffer);
_primaryWriteBuffer.limit(limit);
_primaryWriteBuffer.compact();
_secondaryWriteBuffer = _primaryWriteBuffer;
_primaryWriteBuffer = temp;
}
}
}
final boolean hasPendingWriteBuffer()
{
return _primaryWriteBuffer != null;
}
final void movePendingWriteBufferTo(final ByteBuffer dest)
{
_primaryWriteBuffer.flip();
dest.put(_primaryWriteBuffer);
_selectorThread.recycleBuffer(_primaryWriteBuffer);
_primaryWriteBuffer = _secondaryWriteBuffer;
_secondaryWriteBuffer = null;
}
final void setReadBuffer(final ByteBuffer buf)
{
_readBuffer = buf;
}
final ByteBuffer getReadBuffer()
{
return _readBuffer;
}
public final boolean isClosed()
{
return _pendingClose;
}
final NioNetStackList<SendablePacket<T>> getSendQueue()
{
return _sendQueue;
}
/*
* final SendablePacket<T> getClosePacket() { return _closePacket; }
*/
@SuppressWarnings("unchecked")
public final void close(final SendablePacket<T> sp)
{
close(new SendablePacket[]
{
sp
});
}
public final void close(final SendablePacket<T>[] closeList)
{
if (_pendingClose)
{
return;
}
synchronized (getSendQueue())
{
if (!_pendingClose)
{
_pendingClose = true;
_sendQueue.clear();
for (SendablePacket<T> sp : closeList)
{
_sendQueue.addLast(sp);
}
}
}
try
{
_selectionKey.interestOps(_selectionKey.interestOps() & ~SelectionKey.OP_WRITE);
}
catch (CancelledKeyException e)
{
// ignore
}
// _closePacket = sp;
_selectorThread.closeConnection(this);
}
final void releaseBuffers()
{
if (_primaryWriteBuffer != null)
{
_selectorThread.recycleBuffer(_primaryWriteBuffer);
_primaryWriteBuffer = null;
if (_secondaryWriteBuffer != null)
{
_selectorThread.recycleBuffer(_secondaryWriteBuffer);
_secondaryWriteBuffer = null;
}
}
if (_readBuffer != null)
{
_selectorThread.recycleBuffer(_readBuffer);
_readBuffer = null;
}
}
}

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/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
/**
* @author Forsaiken
* @param <E>
*/
public final class NioNetStackList<E>
{
private final NioNetStackNode _start = new NioNetStackNode();
private final NioNetStackNodeBuf _buf = new NioNetStackNodeBuf();
private NioNetStackNode _end = new NioNetStackNode();
public NioNetStackList()
{
clear();
}
public final void addLast(final E elem)
{
final NioNetStackNode newEndNode = _buf.removeFirst();
_end._value = elem;
_end._next = newEndNode;
_end = newEndNode;
}
public final E removeFirst()
{
final NioNetStackNode old = _start._next;
final E value = old._value;
_start._next = old._next;
_buf.addLast(old);
return value;
}
public final boolean isEmpty()
{
return _start._next == _end;
}
public final void clear()
{
_start._next = _end;
}
protected final class NioNetStackNode
{
protected NioNetStackNode _next;
protected E _value;
}
private final class NioNetStackNodeBuf
{
private final NioNetStackNode _start = new NioNetStackNode();
private NioNetStackNode _end = new NioNetStackNode();
NioNetStackNodeBuf()
{
_start._next = _end;
}
final void addLast(final NioNetStackNode node)
{
node._next = null;
node._value = null;
_end._next = node;
_end = node;
}
final NioNetStackNode removeFirst()
{
if (_start._next == _end)
{
return new NioNetStackNode();
}
final NioNetStackNode old = _start._next;
_start._next = old._next;
return old;
}
}
}

62
others/MMOCore/src/org/mmocore/network/NioNetStringBuffer.java Normal file
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/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
import java.nio.BufferOverflowException;
/**
* @author Forsaiken
*/
public final class NioNetStringBuffer
{
private final char[] _buf;
private final int _size;
private int _len;
public NioNetStringBuffer(final int size)
{
_buf = new char[size];
_size = size;
_len = 0;
}
public final void clear()
{
_len = 0;
}
public final void append(final char c)
{
if (_len < _size)
{
_buf[_len++] = c;
}
else
{
throw new BufferOverflowException();
}
}
@Override
public final String toString()
{
return new String(_buf, 0, _len);
}
}

141
others/MMOCore/src/org/mmocore/network/ReceivablePacket.java Normal file
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/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
import java.nio.ByteBuffer;
/**
* @author KenM
* @param <T>
*/
public abstract class ReceivablePacket<T extends MMOClient<?>> extends AbstractPacket<T> implements Runnable
{
NioNetStringBuffer _sbuf;
protected ReceivablePacket()
{
}
protected abstract boolean read();
@Override
public abstract void run();
/**
* Reads <B>byte[]</B> from the buffer. <BR>
* Reads as many bytes as the length of the array.
* @param dst : the byte array which will be filled with the data.
*/
protected final void readB(final byte[] dst)
{
_buf.get(dst);
}
/**
* Reads <B>byte[]</B> from the buffer. <BR>
* Reads as many bytes as the given length (len). Starts to fill the byte array from the given offset to <B>offset</B> + <B>len</B>.
* @param dst : the byte array which will be filled with the data.
* @param offset : starts to fill the byte array from the given offset.
* @param len : the given length of bytes to be read.
*/
protected final void readB(final byte[] dst, final int offset, final int len)
{
_buf.get(dst, offset, len);
}
/**
* Reads <B>byte</B> from the buffer. <BR>
* 8bit integer (00)
* @return
*/
protected final int readC()
{
return _buf.get() & 0xFF;
}
/**
* Reads <B>short</B> from the buffer. <BR>
* 16bit integer (00 00)
* @return
*/
protected final int readH()
{
return _buf.getShort() & 0xFFFF;
}
/**
* Reads <B>int</B> from the buffer. <BR>
* 32bit integer (00 00 00 00)
* @return
*/
protected final int readD()
{
return _buf.getInt();
}
/**
* Reads <B>long</B> from the buffer. <BR>
* 64bit integer (00 00 00 00 00 00 00 00)
* @return
*/
protected final long readQ()
{
return _buf.getLong();
}
/**
* Reads <B>double</B> from the buffer. <BR>
* 64bit double precision float (00 00 00 00 00 00 00 00)
* @return
*/
protected final double readF()
{
return _buf.getDouble();
}
/**
* Reads <B>String</B> from the buffer.
* @return
*/
protected final String readS()
{
_sbuf.clear();
char ch;
while ((ch = _buf.getChar()) != 0)
{
_sbuf.append(ch);
}
return _sbuf.toString();
}
/**
* packet forge purpose
* @param data
* @param client
* @param sBuffer
*/
public void setBuffers(ByteBuffer data, T client, NioNetStringBuffer sBuffer)
{
_buf = data;
_client = client;
_sbuf = sBuffer;
}
}

64
others/MMOCore/src/org/mmocore/network/SelectorConfig.java Normal file
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/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
/**
* @author KenM
*/
public final class SelectorConfig
{
public int READ_BUFFER_SIZE = 64 * 1024;
public int WRITE_BUFFER_SIZE = 64 * 1024;
public int HELPER_BUFFER_COUNT = 20;
public int HELPER_BUFFER_SIZE = 64 * 1024;
/**
* Server will try to send MAX_SEND_PER_PASS packets per socket write call<br>
* however it may send less if the write buffer was filled before achieving this value.
*/
public int MAX_SEND_PER_PASS = 10;
/**
* Server will try to read MAX_READ_PER_PASS packets per socket read call<br>
* however it may read less if the read buffer was empty before achieving this value.
*/
public int MAX_READ_PER_PASS = 10;
/**
* Defines how much time (in milis) should the selector sleep, an higher value increases throughput but also increases latency(to a max of the sleep value itself).<BR>
* Also an extremely high value(usually > 100) will decrease throughput due to the server not doing enough sends per second (depends on max sends per pass).<BR>
* <BR>
* Recommended values:<BR>
* 1 for minimal latency.<BR>
* 10-30 for an latency/troughput trade-off based on your needs.<BR>
*/
public int SLEEP_TIME = 10;
/**
* Used to enable/disable TCP_NODELAY which disable/enable Nagle's algorithm.<BR>
* <BR>
* Nagle's algorithm try to conserve bandwidth by minimizing the number of segments that are sent. When applications wish to decrease network latency and increase performance, they can disable Nagle's algorithm (that is enable TCP_NODELAY). Data will be sent earlier, at the cost of an increase
* in bandwidth consumption. The Nagle's algorithm is described in RFC 896.<BR>
* <BR>
* Summary, data will be sent earlier, thus lowering the ping, at the cost of a small increase in bandwidth consumption.
*/
public boolean TCP_NODELAY = false;
}

703
others/MMOCore/src/org/mmocore/network/SelectorThread.java Normal file
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/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.ServerSocket;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;
import java.nio.channels.SelectionKey;
import java.nio.channels.Selector;
import java.nio.channels.ServerSocketChannel;
import java.nio.channels.SocketChannel;
import java.util.Iterator;
import java.util.LinkedList;
/**
* @author KenM<BR>
* Parts of design based on networkcore from WoodenGil
* @param <T>
*/
public final class SelectorThread<T extends MMOClient<?>> extends Thread
{
// default BYTE_ORDER
private static final ByteOrder BYTE_ORDER = ByteOrder.LITTLE_ENDIAN;
// default HEADER_SIZE
private static final int HEADER_SIZE = 2;
// Selector
private final Selector _selector;
// Implementations
private final IPacketHandler<T> _packetHandler;
private final IMMOExecutor<T> _executor;
private final IClientFactory<T> _clientFactory;
private final IAcceptFilter _acceptFilter;
// Configurations
private final int HELPER_BUFFER_SIZE;
private final int HELPER_BUFFER_COUNT;
private final int MAX_SEND_PER_PASS;
private final int MAX_READ_PER_PASS;
private final long SLEEP_TIME;
public boolean TCP_NODELAY;
// Main Buffers
private final ByteBuffer DIRECT_WRITE_BUFFER;
private final ByteBuffer WRITE_BUFFER;
private final ByteBuffer READ_BUFFER;
// String Buffer
private final NioNetStringBuffer STRING_BUFFER;
// ByteBuffers General Purpose Pool
private final LinkedList<ByteBuffer> _bufferPool;
// Pending Close
private final NioNetStackList<MMOConnection<T>> _pendingClose;
private boolean _shutdown;
public SelectorThread(final SelectorConfig sc, final IMMOExecutor<T> executor, final IPacketHandler<T> packetHandler, final IClientFactory<T> clientFactory, final IAcceptFilter acceptFilter) throws IOException
{
super.setName("SelectorThread-" + super.getId());
HELPER_BUFFER_SIZE = sc.HELPER_BUFFER_SIZE;
HELPER_BUFFER_COUNT = sc.HELPER_BUFFER_COUNT;
MAX_SEND_PER_PASS = sc.MAX_SEND_PER_PASS;
MAX_READ_PER_PASS = sc.MAX_READ_PER_PASS;
SLEEP_TIME = sc.SLEEP_TIME;
TCP_NODELAY = sc.TCP_NODELAY;
DIRECT_WRITE_BUFFER = ByteBuffer.allocateDirect(sc.WRITE_BUFFER_SIZE).order(BYTE_ORDER);
WRITE_BUFFER = ByteBuffer.wrap(new byte[sc.WRITE_BUFFER_SIZE]).order(BYTE_ORDER);
READ_BUFFER = ByteBuffer.wrap(new byte[sc.READ_BUFFER_SIZE]).order(BYTE_ORDER);
STRING_BUFFER = new NioNetStringBuffer(64 * 1024);
_pendingClose = new NioNetStackList<>();
_bufferPool = new LinkedList<>();
for (int i = 0; i < HELPER_BUFFER_COUNT; i++)
{
_bufferPool.addLast(ByteBuffer.wrap(new byte[HELPER_BUFFER_SIZE]).order(BYTE_ORDER));
}
_acceptFilter = acceptFilter;
_packetHandler = packetHandler;
_clientFactory = clientFactory;
_executor = executor;
_selector = Selector.open();
}
public final void openServerSocket(InetAddress address, int tcpPort) throws IOException
{
ServerSocketChannel selectable = ServerSocketChannel.open();
selectable.configureBlocking(false);
ServerSocket ss = selectable.socket();
if (address == null)
{
ss.bind(new InetSocketAddress(tcpPort));
}
else
{
ss.bind(new InetSocketAddress(address, tcpPort));
}
selectable.register(_selector, SelectionKey.OP_ACCEPT);
}
final ByteBuffer getPooledBuffer()
{
if (_bufferPool.isEmpty())
{
return ByteBuffer.wrap(new byte[HELPER_BUFFER_SIZE]).order(BYTE_ORDER);
}
return _bufferPool.removeFirst();
}
final void recycleBuffer(final ByteBuffer buf)
{
if (_bufferPool.size() < HELPER_BUFFER_COUNT)
{
buf.clear();
_bufferPool.addLast(buf);
}
}
@SuppressWarnings("unchecked")
@Override
public final void run()
{
int selectedKeysCount = 0;
SelectionKey key;
MMOConnection<T> con;
Iterator<SelectionKey> selectedKeys;
while (!_shutdown)
{
try
{
selectedKeysCount = _selector.selectNow();
}
catch (IOException e)
{
e.printStackTrace();
}
if (selectedKeysCount > 0)
{
selectedKeys = _selector.selectedKeys().iterator();
while (selectedKeys.hasNext())
{
key = selectedKeys.next();
selectedKeys.remove();
con = (MMOConnection<T>) key.attachment();
switch (key.readyOps())
{
case SelectionKey.OP_CONNECT:
finishConnection(key, con);
break;
case SelectionKey.OP_ACCEPT:
acceptConnection(key, con);
break;
case SelectionKey.OP_READ:
readPacket(key, con);
break;
case SelectionKey.OP_WRITE:
writePacket(key, con);
break;
case SelectionKey.OP_READ | SelectionKey.OP_WRITE:
writePacket(key, con);
if (key.isValid())
{
readPacket(key, con);
}
break;
}
}
}
synchronized (_pendingClose)
{
while (!_pendingClose.isEmpty())
{
try
{
con = _pendingClose.removeFirst();
writeClosePacket(con);
closeConnectionImpl(con.getSelectionKey(), con);
}
catch (Exception e)
{
e.printStackTrace();
}
}
}
try
{
Thread.sleep(SLEEP_TIME);
}
catch (InterruptedException e)
{
e.printStackTrace();
}
}
closeSelectorThread();
}
private final void finishConnection(final SelectionKey key, final MMOConnection<T> con)
{
try
{
((SocketChannel) key.channel()).finishConnect();
}
catch (IOException e)
{
con.getClient().onForcedDisconnection();
closeConnectionImpl(key, con);
}
// key might have been invalidated on finishConnect()
if (key.isValid())
{
key.interestOps(key.interestOps() | SelectionKey.OP_READ);
key.interestOps(key.interestOps() & ~SelectionKey.OP_CONNECT);
}
}
private final void acceptConnection(final SelectionKey key, MMOConnection<T> con)
{
ServerSocketChannel ssc = (ServerSocketChannel) key.channel();
SocketChannel sc;
try
{
while ((sc = ssc.accept()) != null)
{
if ((_acceptFilter == null) || _acceptFilter.accept(sc))
{
sc.configureBlocking(false);
SelectionKey clientKey = sc.register(_selector, SelectionKey.OP_READ);
con = new MMOConnection<>(this, sc.socket(), clientKey, TCP_NODELAY);
con.setClient(_clientFactory.create(con));
clientKey.attach(con);
}
else
{
sc.socket().close();
}
}
}
catch (IOException e)
{
e.printStackTrace();
}
}
private final void readPacket(final SelectionKey key, final MMOConnection<T> con)
{
if (!con.isClosed())
{
ByteBuffer buf;
if ((buf = con.getReadBuffer()) == null)
{
buf = READ_BUFFER;
}
// if we try to to do a read with no space in the buffer it will
// read 0 bytes
// going into infinite loop
if (buf.position() == buf.limit())
{
System.exit(0);
}
int result = -2;
try
{
result = con.read(buf);
}
catch (IOException e)
{
// error handling goes bellow
}
if (result > 0)
{
buf.flip();
final T client = con.getClient();
for (int i = 0; i < MAX_READ_PER_PASS; i++)
{
if (!tryReadPacket(key, client, buf, con))
{
return;
}
}
// only reachable if MAX_READ_PER_PASS has been reached
// check if there are some more bytes in buffer
// and allocate/compact to prevent content lose.
if (buf.remaining() > 0)
{
// did we use the READ_BUFFER ?
if (buf == READ_BUFFER)
{
// move the pending byte to the connections READ_BUFFER
allocateReadBuffer(con);
}
else
{
// move the first byte to the beginning :)
buf.compact();
}
}
}
else
{
switch (result)
{
case 0:
case -1:
closeConnectionImpl(key, con);
break;
case -2:
con.getClient().onForcedDisconnection();
closeConnectionImpl(key, con);
break;
}
}
}
}
private final boolean tryReadPacket(final SelectionKey key, final T client, final ByteBuffer buf, final MMOConnection<T> con)
{
switch (buf.remaining())
{
case 0:
// buffer is full
// nothing to read
return false;
case 1:
// we don`t have enough data for header so we need to read
key.interestOps(key.interestOps() | SelectionKey.OP_READ);
// did we use the READ_BUFFER ?
if (buf == READ_BUFFER)
{
// move the pending byte to the connections READ_BUFFER
allocateReadBuffer(con);
}
else
{
// move the first byte to the beginning :)
buf.compact();
}
return false;
default:
// data size excluding header size :>
final int dataPending = (buf.getShort() & 0xFFFF) - HEADER_SIZE;
// do we got enough bytes for the packet?
if (dataPending <= buf.remaining())
{
// avoid parsing dummy packets (packets without body)
if (dataPending > 0)
{
final int pos = buf.position();
parseClientPacket(pos, buf, dataPending, client);
buf.position(pos + dataPending);
}
// if we are done with this buffer
if (!buf.hasRemaining())
{
if (buf != READ_BUFFER)
{
con.setReadBuffer(null);
recycleBuffer(buf);
}
else
{
READ_BUFFER.clear();
}
return false;
}
return true;
}
// we don`t have enough bytes for the dataPacket so we need
// to read
key.interestOps(key.interestOps() | SelectionKey.OP_READ);
// did we use the READ_BUFFER ?
if (buf == READ_BUFFER)
{
// move it`s position
buf.position(buf.position() - HEADER_SIZE);
// move the pending byte to the connections READ_BUFFER
allocateReadBuffer(con);
}
else
{
buf.position(buf.position() - HEADER_SIZE);
buf.compact();
}
return false;
}
}
private final void allocateReadBuffer(final MMOConnection<T> con)
{
con.setReadBuffer(getPooledBuffer().put(READ_BUFFER));
READ_BUFFER.clear();
}
private final void parseClientPacket(final int pos, final ByteBuffer buf, final int dataSize, final T client)
{
final boolean ret = client.decrypt(buf, dataSize);
if (ret && buf.hasRemaining())
{
// apply limit
final int limit = buf.limit();
buf.limit(pos + dataSize);
final ReceivablePacket<T> cp = _packetHandler.handlePacket(buf, client);
if (cp != null)
{
cp._buf = buf;
cp._sbuf = STRING_BUFFER;
cp._client = client;
if (cp.read())
{
_executor.execute(cp);
}
cp._buf = null;
cp._sbuf = null;
}
buf.limit(limit);
}
}
private final void writeClosePacket(final MMOConnection<T> con)
{
SendablePacket<T> sp;
synchronized (con.getSendQueue())
{
if (con.getSendQueue().isEmpty())
{
return;
}
while ((sp = con.getSendQueue().removeFirst()) != null)
{
WRITE_BUFFER.clear();
putPacketIntoWriteBuffer(con.getClient(), sp);
WRITE_BUFFER.flip();
try
{
con.write(WRITE_BUFFER);
}
catch (IOException e)
{
// error handling goes on the if bellow
}
}
}
}
protected final void writePacket(final SelectionKey key, final MMOConnection<T> con)
{
if (!prepareWriteBuffer(con))
{
key.interestOps(key.interestOps() & ~SelectionKey.OP_WRITE);
return;
}
DIRECT_WRITE_BUFFER.flip();
final int size = DIRECT_WRITE_BUFFER.remaining();
int result = -1;
try
{
result = con.write(DIRECT_WRITE_BUFFER);
}
catch (IOException e)
{
// error handling goes on the if bellow
}
// check if no error happened
if (result >= 0)
{
// check if we written everything
if (result == size)
{
// complete write
synchronized (con.getSendQueue())
{
if (con.getSendQueue().isEmpty() && !con.hasPendingWriteBuffer())
{
key.interestOps(key.interestOps() & ~SelectionKey.OP_WRITE);
}
}
}
else
{
// incomplete write
con.createWriteBuffer(DIRECT_WRITE_BUFFER);
}
}
else
{
con.getClient().onForcedDisconnection();
closeConnectionImpl(key, con);
}
}
private final boolean prepareWriteBuffer(final MMOConnection<T> con)
{
boolean hasPending = false;
DIRECT_WRITE_BUFFER.clear();
// if there is pending content add it
if (con.hasPendingWriteBuffer())
{
con.movePendingWriteBufferTo(DIRECT_WRITE_BUFFER);
hasPending = true;
}
if ((DIRECT_WRITE_BUFFER.remaining() > 1) && !con.hasPendingWriteBuffer())
{
final NioNetStackList<SendablePacket<T>> sendQueue = con.getSendQueue();
final T client = con.getClient();
SendablePacket<T> sp;
for (int i = 0; i < MAX_SEND_PER_PASS; i++)
{
synchronized (con.getSendQueue())
{
if (sendQueue.isEmpty())
{
sp = null;
}
else
{
sp = sendQueue.removeFirst();
}
}
if (sp == null)
{
break;
}
hasPending = true;
// put into WriteBuffer
putPacketIntoWriteBuffer(client, sp);
WRITE_BUFFER.flip();
if (DIRECT_WRITE_BUFFER.remaining() >= WRITE_BUFFER.limit())
{
DIRECT_WRITE_BUFFER.put(WRITE_BUFFER);
}
else
{
con.createWriteBuffer(WRITE_BUFFER);
break;
}
}
}
return hasPending;
}
private final void putPacketIntoWriteBuffer(final T client, final SendablePacket<T> sp)
{
WRITE_BUFFER.clear();
// reserve space for the size
final int headerPos = WRITE_BUFFER.position();
final int dataPos = headerPos + HEADER_SIZE;
WRITE_BUFFER.position(dataPos);
// set the write buffer
sp._buf = WRITE_BUFFER;
// set the client.
sp._client = client;
// write content to buffer
sp.write();
// delete the write buffer
sp._buf = null;
// size (inclusive header)
int dataSize = WRITE_BUFFER.position() - dataPos;
WRITE_BUFFER.position(dataPos);
client.encrypt(WRITE_BUFFER, dataSize);
// recalculate size after encryption
dataSize = WRITE_BUFFER.position() - dataPos;
WRITE_BUFFER.position(headerPos);
// write header
WRITE_BUFFER.putShort((short) (dataSize + HEADER_SIZE));
WRITE_BUFFER.position(dataPos + dataSize);
}
final void closeConnection(final MMOConnection<T> con)
{
synchronized (_pendingClose)
{
_pendingClose.addLast(con);
}
}
private final void closeConnectionImpl(final SelectionKey key, final MMOConnection<T> con)
{
try
{
// notify connection
con.getClient().onDisconnection();
}
finally
{
try
{
// close socket and the SocketChannel
con.close();
}
catch (IOException e)
{
// ignore, we are closing anyway
}
finally
{
con.releaseBuffers();
// clear attachment
key.attach(null);
// cancel key
key.cancel();
}
}
}
public final void shutdown()
{
_shutdown = true;
}
protected void closeSelectorThread()
{
for (final SelectionKey key : _selector.keys())
{
try
{
key.channel().close();
}
catch (IOException e)
{
// ignore
}
}
try
{
_selector.close();
}
catch (IOException e)
{
// Ignore
}
}
}

120
others/MMOCore/src/org/mmocore/network/SendablePacket.java Normal file
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@ -0,0 +1,120 @@
/* This program 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.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
* 02111-1307, USA.
*
* http://www.gnu.org/copyleft/gpl.html
*/
package org.mmocore.network;
/**
* @author KenM
* @param <T>
*/
public abstract class SendablePacket<T extends MMOClient<?>> extends AbstractPacket<T>
{
protected final void putInt(final int value)
{
_buf.putInt(value);
}
protected final void putDouble(final double value)
{
_buf.putDouble(value);
}
protected final void putFloat(final float value)
{
_buf.putFloat(value);
}
/**
* Write <B>byte</B> to the buffer. <BR>
* 8bit integer (00)
* @param data
*/
protected final void writeC(final int data)
{
_buf.put((byte) data);
}
/**
* Write <B>double</B> to the buffer. <BR>
* 64bit double precision float (00 00 00 00 00 00 00 00)
* @param value
*/
protected final void writeF(final double value)
{
_buf.putDouble(value);
}
/**
* Write <B>short</B> to the buffer. <BR>
* 16bit integer (00 00)
* @param value
*/
protected final void writeH(final int value)
{
_buf.putShort((short) value);
}
/**
* Write <B>int</B> to the buffer. <BR>
* 32bit integer (00 00 00 00)
* @param value
*/
protected final void writeD(final int value)
{
_buf.putInt(value);
}
/**
* Write <B>long</B> to the buffer. <BR>
* 64bit integer (00 00 00 00 00 00 00 00)
* @param value
*/
protected final void writeQ(final long value)
{
_buf.putLong(value);
}
/**
* Write <B>byte[]</B> to the buffer. <BR>
* 8bit integer array (00 ...)
* @param data
*/
protected final void writeB(final byte[] data)
{
_buf.put(data);
}
/**
* Write <B>String</B> to the buffer.
* @param text
*/
protected final void writeS(final String text)
{
if (text != null)
{
final int len = text.length();
for (int i = 0; i < len; i++)
{
_buf.putChar(text.charAt(i));
}
}
_buf.putChar('\000');
}
protected abstract void write();
}

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