com.sshtools.synergy.ssh.PacketPool Maven / Gradle / Ivy

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package com.sshtools.synergy.ssh;

/*-
 * #%L
 * Common API
 * %%
 * Copyright (C) 2002 - 2024 JADAPTIVE Limited
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, 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 Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import java.io.IOException;
import java.util.Vector;

import com.sshtools.common.ssh.Packet;

public class PacketPool {

	Vector packets = new Vector();

	static PacketPool instance;

	public static PacketPool getInstance() {
		return (instance == null ? instance = new PacketPool() : instance);
	}

	public Packet getPacket() throws IOException {
		synchronized (packets) {
			if (packets.size() == 0)
				return new Packet();
			Packet p = (Packet) packets.remove(0);
			return p;
		}
	}
	
	public void putPacket(Packet p) {
		synchronized (packets) {
			p.reset();
			packets.add(p);
		}
	}
}