/* This file is part of VoltDB.
* Copyright (C) 2008-2010 VoltDB L.L.C.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
package org.voltdb.messaging;
import java.io.IOException;
import java.math.BigDecimal;
import java.net.ServerSocket;
import java.net.Socket;
import org.voltdb.VoltTable;
import org.voltdb.VoltType;
import org.voltdb.types.VoltDecimalHelper;
public class EchoServer {
static ServerSocket server = null;
static Socket client = null;
static FastSerializer fs = null;
static boolean isArray = false;
static final byte ARRAY_BEGIN = 126;
static final byte ARRAY_END = 127;
static void echo(byte[] t, byte[] buffer, int length) {
VoltType type = null;
if (t[0] == ARRAY_BEGIN) {
isArray = true;
return;
} else if (t[0] == ARRAY_END) {
isArray = false;
return;
} else {
type = VoltType.get(t[0]);
}
FastDeserializer fds = new FastDeserializer(buffer);
short count = 1;
try {
fs.writeInt(length);
fs.writeByte(type.getValue());
if (isArray) {
count = fds.readShort();
fs.writeShort(count);
}
for (int ii = 0; ii < count; ii++) {
switch (type) {
case TINYINT:
byte b = fds.readByte();
fs.write(b);
break;
case SMALLINT:
short s = fds.readShort();
fs.writeShort(s);
break;
case INTEGER:
int i = fds.readInt();
fs.writeInt(i);
break;
case BIGINT:
long l = fds.readLong();
fs.writeLong(l);
break;
case FLOAT:
double f = fds.readDouble();
fs.writeDouble(f);
break;
case STRING:
String str = fds.readString();
int strLen = 2;
if (str != null) {
strLen += str.getBytes("UTF-8").length;
}
fs.writeString(str);
break;
case TIMESTAMP:
fs.writeTimestamp(fds.readTimestamp());
break;
case DECIMAL:
BigDecimal bd = VoltDecimalHelper.deserializeBigDecimal(fds);
VoltDecimalHelper.serializeBigDecimal(bd, fs);
break;
case VOLTTABLE:
VoltTable table = fds.readObject(VoltTable.class);
fs.writeObject(table);
break;
default:
throw new RuntimeException("FIXME: Unsupported type " + type);
}
}
client.getOutputStream().write(fs.getBytes());
fs.clear();
} catch (IOException e) {
e.printStackTrace();
}
}
/**
* @param args
*/
public static void main(String[] args) {
try{
server = new ServerSocket(edu.brown.hstore.HStoreConstants.DEFAULT_PORT);
} catch (IOException e) {
System.out.println("Could not listen on port");
e.printStackTrace();
System.exit(-1);
}
fs = new FastSerializer();
byte[] buffer = new byte[1024 * 1024 * 2];
try {
while (true) {
client = server.accept();
client.setReceiveBufferSize(1024 * 1024 * 2);
client.setSendBufferSize(1024 * 1024 * 2);
byte[] lengthBytes = new byte[4];
while (client.getInputStream().read(lengthBytes) > 0) {
FastDeserializer fds = new FastDeserializer(lengthBytes);
int length = fds.readInt();
int count = 0;
byte[] type = new byte[1];
count += client.getInputStream().read(type);
// Reads up to a full message
while (count < length) {
count += client.getInputStream().read(buffer, count - 1, buffer.length - count + 1);
}
echo(type, buffer, length);
}
client.close();
}
} catch (IOException e) {
e.printStackTrace();
} finally {
try {
server.close();
} catch (IOException e) {
e.printStackTrace();
}
}
}
}