macedon_swp.h

这是一个著名的应用层组播中间件的源码

//Copyright (c) 2004, Charles Killian, Adolfo Rodriguez, Dejan Kostic, Sooraj Bhat, and Amin Vahdat
//All rights reserved.
//
//Redistribution and use in source and binary forms, with or without
//modification, are permitted provided that the following conditions are met:
//
//   * Redistributions of source code must retain the above copyright
//     notice, this list of conditions and the following disclaimer.
//   * Redistributions in binary form must reproduce the above copyright
//     notice, this list of conditions and the following disclaimer in
//     the documentation and/or other materials provided with the
//     distribution.
//   * Neither the names of Duke University nor The University of
//     California, San Diego, nor the names of its contributors
//     may be used to endorse or promote products derived from
//     this software without specific prior written permission.
//
//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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#include "macedon.h"

//#define MACEDON_TRACE_RELIAB 
//#define MACEDON_TRACE_RELIAB_DETAIL
//#define MACEDON_TRACE_SEND_RECEIVE


// defines a packet leak.  When a queue gets this long, we have a leak
#define MACEDON_PACKET_LEAK                  4000

// retransmission timer timeout value
#ifndef NSPORT
#define MACEDON_RETRANS_TIMEOUT                     2.0
#else

#define MACEDON_RETRANS_TIMEOUT                     0.3

#endif
// how long idle before deleting neighbor
#define MACEDON_DELETE_TIMEOUT                      20.0

// maximum number of outstanding pkts per neighbor
#define MACEDON_MAX_RELIAB_WINDOW                  50