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/* |
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* Copyright (c) 2010 The University of Notre Dame. All Rights Reserved. |
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* |
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* The University of Notre Dame grants you ("Licensee") a |
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* non-exclusive, royalty free, license to use, modify and |
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* redistribute this software in source and binary code form, provided |
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* that the following conditions are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the |
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* distribution. |
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* |
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* This software is provided "AS IS," without a warranty of any |
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* kind. All express or implied conditions, representations and |
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* warranties, including any implied warranty of merchantability, |
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* fitness for a particular purpose or non-infringement, are hereby |
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* excluded. The University of Notre Dame and its licensors shall not |
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* be liable for any damages suffered by licensee as a result of |
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* using, modifying or distributing the software or its |
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* derivatives. In no event will the University of Notre Dame or its |
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* licensors be liable for any lost revenue, profit or data, or for |
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* direct, indirect, special, consequential, incidental or punitive |
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* damages, however caused and regardless of the theory of liability, |
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* arising out of the use of or inability to use software, even if the |
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* University of Notre Dame has been advised of the possibility of |
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* such damages. |
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* |
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* SUPPORT OPEN SCIENCE! If you use OpenMD or its source code in your |
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* research, please cite the appropriate papers when you publish your |
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* work. Good starting points are: |
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* |
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* [1] Meineke, et al., J. Comp. Chem. 26, 252-271 (2005). |
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* [2] Fennell & Gezelter, J. Chem. Phys. 124, 234104 (2006). |
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* [3] Sun, Lin & Gezelter, J. Chem. Phys. 128, 24107 (2008). |
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* [4] Vardeman, Stocker & Gezelter, in progress (2010). |
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*/ |
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|
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#include <string> |
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#include <sstream> |
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#include <sys/ioctl.h> |
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#define _POSIX_SOURCE |
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#include <unistd.h> |
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#ifdef IS_MPI |
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#include <mpi.h> |
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#endif //is_mpi |
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#include "utils/ProgressBar.hpp" |
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|
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namespace OpenMD { |
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|
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const char * progressSpinner_ = "|/-\\"; |
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|
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ProgressBar::ProgressBar() : value_(0.0), maximum_(-1.0), iteration_(0), start_(time(NULL)) { |
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} |
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|
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void ProgressBar::clear() { |
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#ifdef IS_MPI |
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if (MPI::COMM_WORLD.Get_rank() == 0) { |
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#endif |
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printf("\n"); |
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fflush(stdout); |
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#ifdef IS_MPI |
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} |
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#endif |
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iteration_ = 0; |
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value_ = 0; |
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maximum_ = -1; |
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start_ = time(NULL); |
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} |
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|
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void ProgressBar::update() { |
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int width = 80; |
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#ifdef IS_MPI |
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if (MPI::COMM_WORLD.Get_rank() == 0) { |
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#endif |
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|
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// only do the progress bar if we are actually running in a tty: |
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if (isatty(fileno(stdout))) { |
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// get the window width: |
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struct winsize w; |
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ioctl(fileno(stdout), TIOCGWINSZ, &w); |
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width = w.ws_col; |
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|
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// We'll use: |
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// 31 characters for the completion estimate, |
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// 6 for the % complete, |
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// 2 characters for the open and closing brackets. |
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|
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int avail = width - 31 - 6 - 2; |
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|
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++iteration_; |
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|
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if (maximum_ > 0.0) { |
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|
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// we know the maximum, so draw a progress bar |
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|
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RealType percent = value_ * 100.0 / maximum_; |
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int hashes = int(percent * avail / 100.0); |
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std::string progressbar; |
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progressbar.assign(hashes, '#'); |
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|
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// add the spinner to the end of the progress bar: |
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progressbar += progressSpinner_[iteration_ & 3]; |
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|
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// compute the best estimate of the ending time: |
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time_t current_ = time(NULL); |
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time_t end_ = start_ + (current_ - start_) * (100.0/percent); |
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struct tm * ender = localtime(&end_); |
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char buffer[24]; |
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strftime(buffer, 24, "%a %b %d @ %I:%M %p", ender); |
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|
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std::stringstream fmt; |
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fmt << "\r%3d%% [%-" << avail << "s] Estimate: %s"; |
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std::string st = fmt.str(); |
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|
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printf(st.c_str(), int(percent), |
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progressbar.c_str(), |
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buffer); |
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|
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} else { |
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// we don't know the maximum, so we can't draw a progress bar |
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int center = (iteration_ % 48) + 1; // 50 spaces, minus 2 |
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std::string before; |
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std::string after; |
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before.assign(std::max(center - 2, 0), ' '); |
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after.assign(std::min(center + 2, 50), ' '); |
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|
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printf("\r[%s###%s] ", |
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before.c_str(), after.c_str()); |
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} |
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fflush(stdout); |
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} |
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#ifdef IS_MPI |
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} |
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#endif |
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} |
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|
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void ProgressBar::setStatus(RealType val, RealType max) { |
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value_ = val; |
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maximum_ = max; |
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} |
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} |
