2 * Copyright (c) 2003-2005 The BISON Project
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU Lesser General Public License version 2 as
6 * published by the Free Software Foundation.
8 * This program is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU Lesser General Public License for more details.
13 * You should have received a copy of the GNU Lesser General Public License
14 * along with this program; if not, write to the Free Software
15 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 package peersim.transport;
21 import peersim.core.*;
25 * This interface represents a generic transport protocol, used to
26 * send messages through the underlying network. Generally, transport
27 * protocols use {@link peersim.edsim.EDSimulator} to schedule the delivery of
28 * messages with some appropriate delay. They can also model message omission
31 * @author Alberto Montresor
32 * @version $Revision: 1.7 $
34 public interface Transport extends Protocol
38 * Sends message <code>msg</code> from node <code>src</code> to protocol
39 * <code>pid</code> of node <code>dst</code>.
41 * @param src sender node
42 * @param dest destination node
43 * @param msg message to be sent
44 * @param pid protocol identifier
46 public void send(Node src, Node dest, Object msg, int pid);
50 * Return a latency estimate from node <code>src</code> to protocol
51 * <code>pid</code> of node <code>dst</code>.
53 * @param src sender node
54 * @param dest destination node
56 public long getLatency(Node src, Node dest);