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/*
* srm-ssm.h
* Copyright (C) 2000 by the University of Southern California
* $Id: srm-ssm.h,v 1.6 2005/09/22 07:43:33 lacage Exp $
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* 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.
*
*
* The copyright of this module includes the following
* linking-with-specific-other-licenses addition:
*
* In addition, as a special exception, the copyright holders of
* this module give you permission to combine (via static or
* dynamic linking) this module with free software programs or
* libraries that are released under the GNU LGPL and with code
* included in the standard release of ns-2 under the Apache 2.0
* license or under otherwise-compatible licenses with advertising
* requirements (or modified versions of such code, with unchanged
* license). You may copy and distribute such a system following the
* terms of the GNU GPL for this module and the licenses of the
* other code concerned, provided that you include the source code of
* that other code when and as the GNU GPL requires distribution of
* source code.
*
* Note that people who make modified versions of this module
* are not obligated to grant this special exception for their
* modified versions; it is their choice whether to do so. The GNU
* General Public License gives permission to release a modified
* version without this exception; this exception also makes it
* possible to release a modified version which carries forward this
* exception.
*
*/
//
// $Header: /cvsroot/nsnam/ns-2/mcast/srm-ssm.h,v 1.6 2005/09/22 07:43:33 lacage Exp $
#ifndef ns_ssmsrm_h
#define ns_ssmsrm_h
#include "config.h"
//#include "heap.h"
#include "srm-state.h"
/* Constants for scope flags and types of session messages */
#define SRM_LOCAL 1
#define SRM_GLOBAL 2
#define SRM_RINFO 3 /* Session Message with reps information */
struct hdr_srm_ext {
int repid_;
int origTTL_;
static int offset_;
inline static int& offset() { return offset_; }
inline static hdr_srm_ext* access(const Packet* p) {
return (hdr_srm_ext*) p->access(offset_);
}
// per field member functions
int& repid() { return repid_; }
int& ottl() { return origTTL_; }
};
class SSMSRMAgent : public SRMAgent
{
int glb_sessCtr_; /* # of global session messages sent */
int loc_sessCtr_; /* # of local session messages sent */
int rep_sessCtr_; /* # of rep session messages sent */
int scopeFlag_;
int groupScope_; /* Scope of the group, ttl */
int localScope_; /* Scope of the local messages, ttl */
int senderFlag_;
int repid_;
void recv_data(int sender, int id, int repid, u_char* data);
//void recv_repr(int sender, int msgid, int repid, u_char* data);
void recv_rqst(int requestor, int round, int sender, int msgid, int repid);
void recv_sess(int sessCtr, int* data, Packet *p);
void recv_glb_sess(int sessCtr, int* data, Packet *p);
void recv_loc_sess(int sessCtr, int* data, Packet *p);
void recv_rep_sess(int sessCtr, int* data, Packet *p);
void send_ctrl(int type, int round, int sender, int msgid, int size);
void send_sess();
void send_glb_sess();
void send_loc_sess();
void send_rep_sess();
void timeout_info();
int is_active(SRMinfo *sp);
public:
SSMSRMAgent();
int command(int argc, const char*const* argv);
void recv(Packet* p, Handler* h);
};
#endif // ns_srm_ssm_h
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