| 1 | /* | 
| 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 | #include <string> | 
| 43 | #include <sstream> | 
| 44 | #include <sys/ioctl.h> | 
| 45 | #ifdef IS_MPI | 
| 46 | #include <mpi.h> | 
| 47 | #endif //is_mpi | 
| 48 | #include "utils/ProgressBar.hpp" | 
| 49 |  | 
| 50 | namespace OpenMD { | 
| 51 |  | 
| 52 | const char * progressSpinner_ = "|/-\\"; | 
| 53 |  | 
| 54 | ProgressBar::ProgressBar() : value_(0.0), maximum_(-1.0), iteration_(0), start_(time(NULL)) { | 
| 55 | } | 
| 56 |  | 
| 57 | void ProgressBar::clear() { | 
| 58 | #ifdef IS_MPI | 
| 59 | if (MPI::COMM_WORLD.Get_rank() == 0) { | 
| 60 | #endif | 
| 61 | printf("\n"); | 
| 62 | fflush(stdout); | 
| 63 | #ifdef IS_MPI | 
| 64 | } | 
| 65 | #endif | 
| 66 | iteration_ = 0; | 
| 67 | value_ = 0; | 
| 68 | maximum_ = -1; | 
| 69 | start_ = time(NULL); | 
| 70 | } | 
| 71 |  | 
| 72 | void ProgressBar::update() { | 
| 73 | int width = 80; | 
| 74 | #ifdef IS_MPI | 
| 75 | if (MPI::COMM_WORLD.Get_rank() == 0) { | 
| 76 | #endif | 
| 77 | #ifndef IS_MPI | 
| 78 | // get the window width: | 
| 79 | struct ttysize ts; | 
| 80 | ioctl(0, TIOCGWINSZ, &ts); | 
| 81 | width = ts.ts_cols; | 
| 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 | 
| 96 |  | 
| 97 | RealType percent = value_ * 100.0 / maximum_; | 
| 98 | int hashes = int(percent * avail / 100.0); | 
| 99 | std::string progressbar; | 
| 100 | progressbar.assign(hashes, '#'); | 
| 101 |  | 
| 102 | // add the spinner to the end of the progress bar: | 
| 103 | progressbar += progressSpinner_[iteration_ & 3]; | 
| 104 |  | 
| 105 | // compute the best estimate of the ending time: | 
| 106 | time_t current_ = time(NULL); | 
| 107 | time_t end_ = start_ + (current_ - start_) * (100.0/percent); | 
| 108 | struct tm * ender = localtime(&end_); | 
| 109 | char buffer[24]; | 
| 110 | strftime(buffer, 24, "%a %b %d @ %I:%M %p", ender); | 
| 111 |  | 
| 112 | std::stringstream fmt; | 
| 113 | fmt << "\r%3d%% [%-" << avail << "s] Estimate: %s"; | 
| 114 | std::string st = fmt.str(); | 
| 115 |  | 
| 116 | printf(st.c_str(), int(percent), | 
| 117 | progressbar.c_str(), | 
| 118 | buffer); | 
| 119 |  | 
| 120 | } else { | 
| 121 | // we don't know the maximum, so we can't draw a progress bar | 
| 122 | int center = (iteration_ % 48) + 1; // 50 spaces, minus 2 | 
| 123 | std::string before; | 
| 124 | std::string after; | 
| 125 | before.assign(std::max(center - 2, 0), ' '); | 
| 126 | after.assign(std::min(center + 2, 50), ' '); | 
| 127 |  | 
| 128 | printf("\r[%s###%s]            ", | 
| 129 | before.c_str(), after.c_str()); | 
| 130 | } | 
| 131 | fflush(stdout); | 
| 132 | #ifdef IS_MPI | 
| 133 | } | 
| 134 | #endif | 
| 135 | } | 
| 136 |  | 
| 137 | void ProgressBar::setStatus(RealType val, RealType max) { | 
| 138 | value_ = val; | 
| 139 | maximum_ = max; | 
| 140 | } | 
| 141 | } |