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root/OpenMD/trunk/src/utils/ProgressBar.cpp
Revision: 1433
Committed: Mon Apr 12 22:02:25 2010 UTC (15 years ago) by chuckv
File size: 4848 byte(s)
Log Message:
Fixed  include file in ProgressBar.cpp for getenv.


File Contents

# User Rev Content
1 gezelter 1413 /*
2     * Copyright (c) 2010 The University of Notre Dame. All Rights Reserved.
3     *
4     * The University of Notre Dame grants you ("Licensee") a
5     * non-exclusive, royalty free, license to use, modify and
6     * redistribute this software in source and binary code form, provided
7     * that the following conditions are met:
8     *
9     * 1. Redistributions of source code must retain the above copyright
10     * notice, this list of conditions and the following disclaimer.
11     *
12     * 2. Redistributions in binary form must reproduce the above copyright
13     * notice, this list of conditions and the following disclaimer in the
14     * documentation and/or other materials provided with the
15     * distribution.
16     *
17     * This software is provided "AS IS," without a warranty of any
18     * kind. All express or implied conditions, representations and
19     * warranties, including any implied warranty of merchantability,
20     * fitness for a particular purpose or non-infringement, are hereby
21     * excluded. The University of Notre Dame and its licensors shall not
22     * be liable for any damages suffered by licensee as a result of
23     * using, modifying or distributing the software or its
24     * derivatives. In no event will the University of Notre Dame or its
25     * licensors be liable for any lost revenue, profit or data, or for
26     * direct, indirect, special, consequential, incidental or punitive
27     * damages, however caused and regardless of the theory of liability,
28     * arising out of the use of or inability to use software, even if the
29     * University of Notre Dame has been advised of the possibility of
30     * such damages.
31     *
32     * SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your
33     * research, please cite the appropriate papers when you publish your
34     * work. Good starting points are:
35     *
36     * [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005).
37     * [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006).
38     * [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008).
39     * [4] Vardeman, Stocker & Gezelter, in progress (2010).
40     */
41    
42 gezelter 1431 #include <iostream>
43 chuckv 1433 #include <cstdlib>
44 gezelter 1413 #include <sys/ioctl.h>
45     #ifdef IS_MPI
46     #include <mpi.h>
47 gezelter 1431 #endif
48 gezelter 1413 #include "utils/ProgressBar.hpp"
49    
50 gezelter 1431 using namespace std;
51    
52 gezelter 1413 namespace OpenMD {
53    
54     const char * progressSpinner_ = "|/-\\";
55    
56     ProgressBar::ProgressBar() : value_(0.0), maximum_(-1.0), iteration_(0), start_(time(NULL)) {
57     }
58    
59     void ProgressBar::clear() {
60     #ifdef IS_MPI
61     if (MPI::COMM_WORLD.Get_rank() == 0) {
62     #endif
63 gezelter 1431 cout << endl;
64     cout.flush();
65 gezelter 1413 #ifdef IS_MPI
66     }
67     #endif
68     iteration_ = 0;
69     value_ = 0;
70     maximum_ = -1;
71     start_ = time(NULL);
72     }
73    
74     void ProgressBar::update() {
75 gezelter 1431
76     int width;
77    
78 gezelter 1413 #ifdef IS_MPI
79     if (MPI::COMM_WORLD.Get_rank() == 0) {
80     #endif
81 gezelter 1431
82 gezelter 1421 // only do the progress bar if we are actually running in a tty:
83 chuckv 1432 if (isatty(fileno(stdout)) && (getenv("SGE_TASK_ID")==NULL)) {
84 gezelter 1421 // get the window width:
85     struct winsize w;
86     ioctl(fileno(stdout), TIOCGWINSZ, &w);
87     width = w.ws_col;
88 gezelter 1413
89 gezelter 1431 // handle the case when the width is returned as a nonsensical value.
90     if (width <= 0) width = 80;
91    
92 gezelter 1421 // We'll use:
93     // 31 characters for the completion estimate,
94     // 6 for the % complete,
95     // 2 characters for the open and closing brackets.
96    
97 gezelter 1431 int avail = width - 31 - 6 - 2;
98    
99 gezelter 1421 ++iteration_;
100 gezelter 1431
101 gezelter 1421 if (maximum_ > 0.0) {
102 gezelter 1413
103 gezelter 1421 // we know the maximum, so draw a progress bar
104    
105     RealType percent = value_ * 100.0 / maximum_;
106     int hashes = int(percent * avail / 100.0);
107    
108     // compute the best estimate of the ending time:
109     time_t current_ = time(NULL);
110     time_t end_ = start_ + (current_ - start_) * (100.0/percent);
111     struct tm * ender = localtime(&end_);
112 gezelter 1431 char buffer[22];
113     strftime(buffer, 22, "%a %b %d @ %I:%M %p", ender);
114 gezelter 1421
115 gezelter 1431 cout << '\r';
116     cout.width(3);
117     cout << right << int(percent);
118     cout.width(3);
119     cout << "% [";
120     cout.fill('#');
121     if (hashes+1 < avail) {
122     cout.width(hashes+1);
123     cout << progressSpinner_[iteration_ & 3];
124     } else {
125     cout.width(avail);
126     cout << '#';
127     }
128     cout.fill(' ');
129     if (avail - hashes - 1 > 0) {
130     cout.width(avail - hashes - 1);
131     cout << ' ';
132     }
133     cout.width(11);
134     cout << "] Estimate:";
135     cout.width(22);
136     cout << buffer;
137    
138 gezelter 1421 }
139 gezelter 1431 cout.flush();
140 gezelter 1421 }
141 gezelter 1413 #ifdef IS_MPI
142     }
143     #endif
144     }
145    
146     void ProgressBar::setStatus(RealType val, RealType max) {
147     value_ = val;
148     maximum_ = max;
149     }
150     }