1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
/*
* Copyright (C) 2004-2005 by the University of Southern California
* $Id: difftimer.h,v 1.4 2005/09/13 20:47:35 johnh 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.
*
*/
//
// Diffusion-event handler object, Padma, nov 2001.
#ifdef NS_DIFFUSION
#ifndef diffevent_handler_h
#define diffevent_handler_h
#include <list>
#include "scheduler.h"
#include "timers.hh"
class MapEntry;
class DiffEventQueue;
typedef long d_handle;
typedef list<MapEntry *> UIDMap_t;
class MapEntry {
public:
d_handle hdl_;
scheduler_uid_t uid_;
};
/* This handler class keeps track of diffusion specific events.
It schedules multiple events and irrespective of the event types,
always calls back the callback function of its agent.
*/
class DiffEvent : public Event {
private:
struct timeval tv_;
d_handle handle_;
void* payload_;
public:
DiffEvent(d_handle hdl, void *payload, int time);
~DiffEvent() { }
int gettime() {
return ((tv_.tv_sec) + ((tv_.tv_usec)/1000000));
}
d_handle getHandle() { return handle_; }
void* payload() { return payload_; }
};
class DiffEventHandler : public Handler {
public:
DiffEventHandler(TimerManager *agent, DiffEventQueue *deq) {
a_ = agent;
queue_ = deq;
}
void handle(Event *);
private:
TimerManager *a_;
DiffEventQueue *queue_;
};
class DiffEventQueue : public EventQueue {
public:
DiffEventQueue(TimerManager* a) {
a_ = a;
timerHandler_ = new DiffEventHandler(a_, this);
}
~DiffEventQueue() { delete timerHandler_; }
// queue functions
void eqAddAfter(d_handle hdl, void *payload, int delay_msec);
DiffEvent *eqFindEvent(d_handle hdl);
bool eqRemove(d_handle hdl);
// mapping functions
void setUID(d_handle hdl, scheduler_uid_t uid);
scheduler_uid_t getUID(d_handle hdl);
private:
TimerManager *a_;
DiffEventHandler *timerHandler_;
// map for diffusion handle and ns scheduler uid
UIDMap_t uidmap_;
};
#endif //diffusion_timer_h
#endif // NS
|
