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
|
//
// iodev.cc : Diffusion IO Devices
// authors : Fabio Silva
//
// Copyright (C) 2000-2002 by the University of Southern California
// $Id: iodev.cc,v 1.8 2005/09/13 04:53:49 tomh 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.
//
// Linking this file statically or dynamically with other modules is making
// a combined work based on this file. Thus, the terms and conditions of
// the GNU General Public License cover the whole combination.
//
// In addition, as a special exception, the copyright holders of this file
// give you permission to combine this file 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
// file 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 file 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.
#include "iodev.hh"
DiffusionIO::DiffusionIO()
{
num_out_descriptors_ = 0;
num_in_descriptors_ = 0;
max_in_descriptor_ = 0;
}
void DiffusionIO::addInFDS(fd_set *fds, int *max)
{
list<int>::iterator itr;
for (itr = in_fds_.begin(); itr != in_fds_.end(); ++itr){
FD_SET(*itr, fds);
}
if (max_in_descriptor_ > *max)
*max = max_in_descriptor_;
}
int DiffusionIO::checkInFDS(fd_set *fds)
{
list<int>::iterator itr;
int fd;
for (itr = in_fds_.begin(); itr != in_fds_.end(); ++itr){
fd = *itr;
if (FD_ISSET(fd, fds)){
return (fd);
}
}
return -1;
}
bool DiffusionIO::hasFD(int fd)
{
list<int>::iterator itr;
int device_fd;
for (itr = in_fds_.begin(); itr != in_fds_.end(); ++itr){
device_fd = *itr;
if (device_fd == fd)
return true;
}
return false;
}
|
