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authorMichael Vogt <mvo@debian.org>2013-10-21 21:23:07 +0200
committerMichael Vogt <mvo@debian.org>2013-10-21 21:23:34 +0200
commit1c6cedc489b5eaeed1b7fdb845eca06bc1fccd4f (patch)
tree9022a2cb7fb65f738be8eaf1574f06a56faa9d01 /apt-private/private-progress.cc
parent65dbd5a1a32f63dae81c8b5814cd246f1154c38d (diff)
move iprogress.{cc,h} to private-progress.{cc,h} until its fully stable
Diffstat (limited to 'apt-private/private-progress.cc')
-rw-r--r--apt-private/private-progress.cc221
1 files changed, 221 insertions, 0 deletions
diff --git a/apt-private/private-progress.cc b/apt-private/private-progress.cc
new file mode 100644
index 000000000..daa7695e2
--- /dev/null
+++ b/apt-private/private-progress.cc
@@ -0,0 +1,221 @@
+#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)
+ : StepsDone(0), StepsTotal(1)
+{
+ 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:" << StringSplit(PackageName, ":")[0]
+ << ":" << (StepsDone/float(StepsTotal)*100.0)
+ << ":" << pkg_action
+ << std::endl;
+ WriteToStatusFd(status.str());
+
+ if(_config->FindB("Debug::APT::Progress::PackageManagerFd", false) == true)
+ std::cerr << "progress: " << PackageName << " " << xStepsDone
+ << " " << xTotalSteps << " " << pkg_action
+ << std::endl;
+
+
+ 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