diff options
Diffstat (limited to 'apt-pkg/iprogress.cc')
| -rw-r--r-- | apt-pkg/iprogress.cc | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/apt-pkg/iprogress.cc b/apt-pkg/iprogress.cc new file mode 100644 index 000000000..bed991d68 --- /dev/null +++ b/apt-pkg/iprogress.cc @@ -0,0 +1,213 @@ +#include <apt-pkg/configuration.h> +#include <apt-pkg/fileutl.h> +#include <apt-pkg/iprogress.h> +#include <apt-pkg/strutl.h> + +#include <apti18n.h> + +#include <termios.h> +#include <sys/ioctl.h> +#include <sstream> +#include <fcntl.h> + +namespace APT { +namespace Progress { + +bool PackageManager::StatusChanged(std::string PackageName, + unsigned int StepsDone, + unsigned int TotalSteps, + std::string HumanReadableAction) +{ + int reporting_steps = _config->FindI("DpkgPM::Reporting-Steps", 1); + percentage = StepsDone/(float)TotalSteps * 100.0; + strprintf(progress_str, _("Progress: [%3i%%]"), (int)percentage); + + if(percentage < (last_reported_progress + reporting_steps)) + return false; + + return true; +} + +PackageManagerProgressFd::PackageManagerProgressFd(int progress_fd) +{ + OutStatusFd = progress_fd; +} + +void PackageManagerProgressFd::WriteToStatusFd(std::string s) +{ + if(OutStatusFd <= 0) + return; + FileFd::Write(OutStatusFd, s.c_str(), s.size()); +} + +void PackageManagerProgressFd::Start() +{ + if(OutStatusFd <= 0) + return; + + // FIXME: use SetCloseExec here once it taught about throwing + // exceptions instead of doing _exit(100) on failure + fcntl(OutStatusFd,F_SETFD,FD_CLOEXEC); + + // send status information that we are about to fork dpkg + std::ostringstream status; + status << "pmstatus:dpkg-exec:" + << (StepsDone/float(StepsTotal)*100.0) + << ":" << _("Running dpkg") + << std::endl; + WriteToStatusFd(status.str()); +} + +void PackageManagerProgressFd::Stop() +{ + // clear the Keep-Fd again + _config->Clear("APT::Keep-Fds", OutStatusFd); +} + +void PackageManagerProgressFd::Error(std::string PackageName, + unsigned int StepsDone, + unsigned int TotalSteps, + std::string ErrorMessage) +{ + std::ostringstream status; + status << "pmerror:" << PackageName + << ":" << (StepsDone/float(TotalSteps)*100.0) + << ":" << ErrorMessage + << std::endl; + WriteToStatusFd(status.str()); +} + +void PackageManagerProgressFd::ConffilePrompt(std::string PackageName, + unsigned int StepsDone, + unsigned int TotalSteps, + std::string ConfMessage) +{ + std::ostringstream status; + status << "pmconffile:" << PackageName + << ":" << (StepsDone/float(TotalSteps)*100.0) + << ":" << ConfMessage + << std::endl; + WriteToStatusFd(status.str()); +} + + +bool PackageManagerProgressFd::StatusChanged(std::string PackageName, + unsigned int xStepsDone, + unsigned int xTotalSteps, + std::string pkg_action) +{ + StepsDone = xStepsDone; + StepsTotal = xTotalSteps; + + // build the status str + std::ostringstream status; + status << "pmstatus:" << PackageName + << ":" << (StepsDone/float(StepsTotal)*100.0) + << ":" << pkg_action + << std::endl; + WriteToStatusFd(status.str()); + return true; +} + +void PackageManagerFancy::SetupTerminalScrollArea(int nr_rows) +{ + // scroll down a bit to avoid visual glitch when the screen + // area shrinks by one row + std::cout << "\n"; + + // save cursor + std::cout << "\033[s"; + + // set scroll region (this will place the cursor in the top left) + std::cout << "\033[1;" << nr_rows - 1 << "r"; + + // restore cursor but ensure its inside the scrolling area + std::cout << "\033[u"; + static const char *move_cursor_up = "\033[1A"; + std::cout << move_cursor_up; + + std::flush(std::cout); +} + +PackageManagerFancy::PackageManagerFancy() + : nr_terminal_rows(-1) +{ + struct winsize win; + if(ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&win) == 0) + { + nr_terminal_rows = win.ws_row; + } +} + +void PackageManagerFancy::Start() +{ + if (nr_terminal_rows > 0) + SetupTerminalScrollArea(nr_terminal_rows); +} + +void PackageManagerFancy::Stop() +{ + if (nr_terminal_rows > 0) + { + SetupTerminalScrollArea(nr_terminal_rows + 1); + + // override the progress line (sledgehammer) + static const char* clear_screen_below_cursor = "\033[J"; + std::cout << clear_screen_below_cursor; + } +} + +bool PackageManagerFancy::StatusChanged(std::string PackageName, + unsigned int StepsDone, + unsigned int TotalSteps, + std::string HumanReadableAction) +{ + if (!PackageManager::StatusChanged(PackageName, StepsDone, TotalSteps, + HumanReadableAction)) + return false; + + int row = nr_terminal_rows; + + static string save_cursor = "\033[s"; + static string restore_cursor = "\033[u"; + + static string set_bg_color = "\033[42m"; // green + static string set_fg_color = "\033[30m"; // black + + static string restore_bg = "\033[49m"; + static string restore_fg = "\033[39m"; + + std::cout << save_cursor + // move cursor position to last row + << "\033[" << row << ";0f" + << set_bg_color + << set_fg_color + << progress_str + << restore_cursor + << restore_bg + << restore_fg; + std::flush(std::cout); + last_reported_progress = percentage; + + return true; +} + +bool PackageManagerText::StatusChanged(std::string PackageName, + unsigned int StepsDone, + unsigned int TotalSteps, + std::string HumanReadableAction) +{ + if (!PackageManager::StatusChanged(PackageName, StepsDone, TotalSteps, HumanReadableAction)) + return false; + + std::cout << progress_str << "\r\n"; + std::flush(std::cout); + + last_reported_progress = percentage; + + return true; +} + + +}; // namespace progress +}; // namespace apt |