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root/OpenMD/branches/development/src/utils/ProgressBar.cpp
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Comparing trunk/src/utils/ProgressBar.cpp (file contents):
Revision 1420 by gezelter, Fri Mar 26 18:42:55 2010 UTC vs.
Revision 1433 by chuckv, Mon Apr 12 22:02:25 2010 UTC

# Line 39 | Line 39
39   * [4]  Vardeman, Stocker & Gezelter, in progress (2010).                        
40   */
41  
42 < #include <string>
43 < #include <sstream>
42 > #include <iostream>
43 > #include <cstdlib>
44   #include <sys/ioctl.h>
45   #ifdef IS_MPI
46   #include <mpi.h>
47 < #endif //is_mpi
47 > #endif
48   #include "utils/ProgressBar.hpp"
49  
50 + using namespace std;
51 +
52   namespace OpenMD {
53  
54    const char * progressSpinner_ = "|/-\\";
# Line 58 | Line 60 | namespace OpenMD {
60   #ifdef IS_MPI
61      if (MPI::COMM_WORLD.Get_rank() == 0) {
62   #endif
63 <      printf("\n");
64 <      fflush(stdout);
63 >      cout << endl;
64 >      cout.flush();
65   #ifdef IS_MPI
66      }
67   #endif
# Line 70 | Line 72 | namespace OpenMD {
72    }
73    
74    void ProgressBar::update() {
75 <    int width = 80;
75 >
76 >    int width;
77 >
78   #ifdef IS_MPI
79      if (MPI::COMM_WORLD.Get_rank() == 0) {
80   #endif
77 #ifndef IS_MPI
78    // get the window width:
79    struct winsize w;
80    ioctl(STDOUT_FILENO, TIOCGWINSZ, &w);
81    width = w.ws_col;
82 #endif  
83
84    // We'll use:
85    // 31 characters for the completion estimate,
86    //  6 for the % complete,
87    //  2 characters for the open and closing brackets.
88
89    int avail = width - 31 - 6 - 2;
90
91    ++iteration_;
92    
93    if (maximum_ > 0.0) {
94      // we know the maximum, so
95      // draw a progress bar
81        
82 <      RealType percent = value_ * 100.0 / maximum_;
83 <      int hashes = int(percent * avail / 100.0);
84 <      std::string progressbar;
85 <      progressbar.assign(hashes, '#');
82 >      // only do the progress bar if we are actually running in a tty:
83 >      if (isatty(fileno(stdout))  && (getenv("SGE_TASK_ID")==NULL)) {    
84 >        // get the window width:
85 >        struct winsize w;
86 >        ioctl(fileno(stdout), TIOCGWINSZ, &w);
87 >        width = w.ws_col;
88  
89 <      // add the spinner to the end of the progress bar:
90 <      progressbar += progressSpinner_[iteration_ & 3];
89 >        // handle the case when the width is returned as a nonsensical value.
90 >        if (width <= 0) width = 80;
91  
92 <      // compute the best estimate of the ending time:
93 <      time_t current_ = time(NULL);
94 <      time_t end_ = start_ + (current_ - start_) * (100.0/percent);
95 <      struct tm * ender = localtime(&end_);
96 <      char buffer[24];
97 <      strftime(buffer, 24, "%a %b %d @ %I:%M %p", ender);
92 >        // 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 >        int avail = width - 31 - 6 - 2;      
98  
99 <      std::stringstream fmt;
113 <      fmt << "\r%3d%% [%-" << avail << "s] Estimate: %s";
114 <      std::string st = fmt.str();
99 >        ++iteration_;
100  
101 <      printf(st.c_str(), int(percent),
117 <             progressbar.c_str(),
118 <             buffer);
101 >        if (maximum_ > 0.0) {
102  
103 <    } else {
104 <      // we don't know the maximum, so we can't draw a progress bar
105 <      int center = (iteration_ % 48) + 1; // 50 spaces, minus 2
106 <      std::string before;
107 <      std::string after;
108 <      before.assign(std::max(center - 2, 0), ' ');
109 <      after.assign(std::min(center + 2, 50), ' ');
110 <      
111 <      printf("\r[%s###%s]            ",
112 <             before.c_str(), after.c_str());
113 <    }
114 <    fflush(stdout);
103 >          // 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 >          char buffer[22];
113 >          strftime(buffer, 22, "%a %b %d @ %I:%M %p", ender);
114 >          
115 >          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 >        }
139 >        cout.flush();
140 >      }
141   #ifdef IS_MPI
142      }
143   #endif

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