[apt.git] / apt-pkg / install-progress.cc

#include <config.h>

#include <apt-pkg/configuration.h>
#include <apt-pkg/fileutl.h>
#include <apt-pkg/strutl.h>
#include <apt-pkg/install-progress.h>

#include <signal.h>
#include <unistd.h>
#include <iostream>
#include <string>
#include <vector>
#include <sys/ioctl.h>
#include <sstream>
#include <fcntl.h>
#include <algorithm>
#include <stdio.h>

#include <apti18n.h>

namespace APT {
namespace Progress {

PackageManager::PackageManager() : d(NULL), percentage(0.0), last_reported_progress(-1) {}
PackageManager::~PackageManager() {}

/* Return a APT::Progress::PackageManager based on the global
 * apt configuration (i.e. APT::Status-Fd and APT::Status-deb822-Fd)
 */
PackageManager* PackageManagerProgressFactory()
{
   // select the right progress
   int status_fd = _config->FindI("APT::Status-Fd", -1);
   int status_deb822_fd = _config->FindI("APT::Status-deb822-Fd", -1);

   APT::Progress::PackageManager *progress = NULL;
   if (status_deb822_fd > 0)
      progress = new APT::Progress::PackageManagerProgressDeb822Fd(
         status_deb822_fd);
   else if (status_fd > 0)
      progress = new APT::Progress::PackageManagerProgressFd(status_fd);
   else if(_config->FindB("Dpkg::Progress-Fancy", false) == true)
      progress = new APT::Progress::PackageManagerFancy();
   else if (_config->FindB("Dpkg::Progress", 
                           _config->FindB("DpkgPM::Progress", false)) == true)
      progress = new APT::Progress::PackageManagerText();
   else
      progress = new APT::Progress::PackageManager();
   return 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::StartDpkg()
{
   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());
}

APT_CONST void PackageManagerProgressFd::Stop()
{
}

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;
}


PackageManagerProgressDeb822Fd::PackageManagerProgressDeb822Fd(int progress_fd)
   : StepsDone(0), StepsTotal(1)
{
   OutStatusFd = progress_fd;
}

void PackageManagerProgressDeb822Fd::WriteToStatusFd(std::string s)
{
   FileFd::Write(OutStatusFd, s.c_str(), s.size());   
}

void PackageManagerProgressDeb822Fd::StartDpkg()
{
   // 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 << "Status: " << "progress" << std::endl
          << "Percent: " << (StepsDone/float(StepsTotal)*100.0) << std::endl
          << "Message: " << _("Running dpkg") << std::endl
          << std::endl;
   WriteToStatusFd(status.str());
}

APT_CONST void PackageManagerProgressDeb822Fd::Stop()
{
}

void PackageManagerProgressDeb822Fd::Error(std::string PackageName,
                                     unsigned int StepsDone,
                                     unsigned int TotalSteps,
                                     std::string ErrorMessage)
{
   std::ostringstream status;
   status << "Status: " << "Error" << std::endl
          << "Package:" << PackageName << std::endl
          << "Percent: "  << (StepsDone/float(TotalSteps)*100.0) << std::endl
          << "Message: " << ErrorMessage << std::endl
          << std::endl;
   WriteToStatusFd(status.str());
}

void PackageManagerProgressDeb822Fd::ConffilePrompt(std::string PackageName,
                                              unsigned int StepsDone,
                                              unsigned int TotalSteps,
                                              std::string ConfMessage)
{
   std::ostringstream status;
   status << "Status: " << "ConfFile" << std::endl
          << "Package:" << PackageName << std::endl
          << "Percent: "  << (StepsDone/float(TotalSteps)*100.0) << std::endl
          << "Message: " << ConfMessage << std::endl
          << std::endl;
   WriteToStatusFd(status.str());
}


bool PackageManagerProgressDeb822Fd::StatusChanged(std::string PackageName, 
                                             unsigned int xStepsDone,
                                             unsigned int xTotalSteps,
                                             std::string message)
{
   StepsDone = xStepsDone;
   StepsTotal = xTotalSteps;

   // build the status str
   std::ostringstream status;
   status << "Status: " << "progress" << std::endl
          << "Package: " << PackageName << std::endl
          << "Percent: "  << (StepsDone/float(StepsTotal)*100.0) << std::endl
          << "Message: " << message << std::endl
          << std::endl;
   WriteToStatusFd(status.str());

   return true;
}


PackageManagerFancy::PackageManagerFancy()
   : child_pty(-1)
{
   // setup terminal size
   old_SIGWINCH = signal(SIGWINCH, PackageManagerFancy::staticSIGWINCH);
   instances.push_back(this);
}
std::vector<PackageManagerFancy*> PackageManagerFancy::instances;

PackageManagerFancy::~PackageManagerFancy()
{
   instances.erase(find(instances.begin(), instances.end(), this));
   signal(SIGWINCH, old_SIGWINCH);
}

void PackageManagerFancy::staticSIGWINCH(int signum)
{
   std::vector<PackageManagerFancy *>::const_iterator I;
   for(I = instances.begin(); I != instances.end(); ++I)
      (*I)->HandleSIGWINCH(signum);
}

PackageManagerFancy::TermSize
PackageManagerFancy::GetTerminalSize()
{
   struct winsize win;
   PackageManagerFancy::TermSize s = { 0, 0 };

   // FIXME: get from "child_pty" instead?
   if(ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&win) != 0)
      return s;

   if(_config->FindB("Debug::InstallProgress::Fancy", false) == true)
      std::cerr << "GetTerminalSize: " << win.ws_row << " x " << win.ws_col << std::endl;

   s.rows = win.ws_row;
   s.columns = win.ws_col;
   return s;
}

void PackageManagerFancy::SetupTerminalScrollArea(int nr_rows)
{
     if(_config->FindB("Debug::InstallProgress::Fancy", false) == true)
        std::cerr << "SetupTerminalScrollArea: " << nr_rows << std::endl;

     if (unlikely(nr_rows <= 1))
	return;

     // 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[0;" << 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;

     // ensure its flushed
     std::flush(std::cout);

     // setup tty size to ensure xterm/linux console are working properly too
     // see bug #731738
     struct winsize win;
     if (ioctl(child_pty, TIOCGWINSZ, (char *)&win) != -1)
     {
	win.ws_row = nr_rows - 1;
	ioctl(child_pty, TIOCSWINSZ, (char *)&win);
     }
}

void PackageManagerFancy::HandleSIGWINCH(int)
{
   int const nr_terminal_rows = GetTerminalSize().rows;
   SetupTerminalScrollArea(nr_terminal_rows);
   DrawStatusLine();
}

void PackageManagerFancy::Start(int a_child_pty)
{
   child_pty = a_child_pty;
   int const nr_terminal_rows = GetTerminalSize().rows;
   SetupTerminalScrollArea(nr_terminal_rows);
}

void PackageManagerFancy::Stop()
{
   int const nr_terminal_rows = GetTerminalSize().rows;
   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;
   }
   child_pty = -1;
}

std::string 
PackageManagerFancy::GetTextProgressStr(float Percent, int OutputSize)
{
   std::string output;
   int i;
   
   // should we raise a exception here instead?
   if (Percent < 0.0 || Percent > 1.0 || OutputSize < 3)
      return output;
   
   int BarSize = OutputSize - 2; // bar without the leading "[" and trailing "]"
   output += "[";
   for(i=0; i < BarSize*Percent; i++)
      output += "#";
   for (/*nothing*/; i < BarSize; i++)
      output += ".";
   output += "]";
   return output;
}

bool PackageManagerFancy::StatusChanged(std::string PackageName, 
                                        unsigned int StepsDone,
                                        unsigned int TotalSteps,
                                        std::string HumanReadableAction)
{
   if (!PackageManager::StatusChanged(PackageName, StepsDone, TotalSteps,
          HumanReadableAction))
      return false;

   return DrawStatusLine();
}
bool PackageManagerFancy::DrawStatusLine()
{
   PackageManagerFancy::TermSize const size = GetTerminalSize();
   if (unlikely(size.rows < 1 || size.columns < 1))
      return false;

   static std::string save_cursor = "\033[s";
   static std::string restore_cursor = "\033[u";

   // green
   static std::string set_bg_color = DeQuoteString(
      _config->Find("Dpkg::Progress-Fancy::Progress-fg", "%1b[42m"));
   // black
   static std::string set_fg_color = DeQuoteString(
      _config->Find("Dpkg::Progress-Fancy::Progress-bg", "%1b[30m"));

   static std::string restore_bg =  "\033[49m";
   static std::string restore_fg = "\033[39m";

   std::cout << save_cursor
      // move cursor position to last row
             << "\033[" << size.rows << ";0f" 
             << set_bg_color
             << set_fg_color
             << progress_str
             << restore_bg
             << restore_fg;
   std::flush(std::cout);

   // draw text progress bar
   if (_config->FindB("Dpkg::Progress-Fancy::Progress-Bar", true))
   {
      int padding = 4;
      float progressbar_size = size.columns - padding - progress_str.size();
      float current_percent = percentage / 100.0;
      std::cout << " " 
                << GetTextProgressStr(current_percent, progressbar_size)
                << " ";
      std::flush(std::cout);
   }

   // restore
   std::cout << restore_cursor;
   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
Commit	Line	Data
453b82a3 DK	1	#include <config.h>
453b82a3 DK	2
e6ad8031 MV	3	#include <apt-pkg/configuration.h>
e6ad8031 MV	4	#include <apt-pkg/fileutl.h>
31f97d7b	5	#include <apt-pkg/strutl.h>
af36becc	6	#include <apt-pkg/install-progress.h>
c7ea1eba	7
453b82a3 DK	8	#include <signal.h>
	9	#include <unistd.h>
	10	#include <iostream>
	11	#include <string>
	12	#include <vector>
31f97d7b	13	#include <sys/ioctl.h>
e6ad8031	14	#include <sstream>
5e9458e2	15	#include <fcntl.h>
5ed88785	16	#include <algorithm>
c23e6cd5	17	#include <stdio.h>
e96e4e9c	18
453b82a3 DK	19	#include <apti18n.h>
453b82a3 DK	20
31f97d7b MV	21	namespace APT {
	22	namespace Progress {
	23
440614ff DK	24	PackageManager::PackageManager() : d(NULL), percentage(0.0), last_reported_progress(-1) {}
440614ff DK	25	PackageManager::~PackageManager() {}
61f954bf MV	26
	27	/* Return a APT::Progress::PackageManager based on the global
	28	* apt configuration (i.e. APT::Status-Fd and APT::Status-deb822-Fd)
	29	*/
bd5f39b3 MV	30	PackageManager* PackageManagerProgressFactory()
	31	{
	32	// select the right progress
	33	int status_fd = _config->FindI("APT::Status-Fd", -1);
	34	int status_deb822_fd = _config->FindI("APT::Status-deb822-Fd", -1);
	35
	36	APT::Progress::PackageManager *progress = NULL;
	37	if (status_deb822_fd > 0)
	38	progress = new APT::Progress::PackageManagerProgressDeb822Fd(
	39	status_deb822_fd);
	40	else if (status_fd > 0)
	41	progress = new APT::Progress::PackageManagerProgressFd(status_fd);
	42	else if(_config->FindB("Dpkg::Progress-Fancy", false) == true)
	43	progress = new APT::Progress::PackageManagerFancy();
	44	else if (_config->FindB("Dpkg::Progress",
	45	_config->FindB("DpkgPM::Progress", false)) == true)
	46	progress = new APT::Progress::PackageManagerText();
	47	else
	48	progress = new APT::Progress::PackageManager();
	49	return progress;
	50	}
	51
65512241	52	bool PackageManager::StatusChanged(std::string /PackageName/,
e6ad8031 MV	53	unsigned int StepsDone,
e6ad8031 MV	54	unsigned int TotalSteps,
65512241	55	std::string /HumanReadableAction/)
6c5ae8ed MV	56	{
	57	int reporting_steps = _config->FindI("DpkgPM::Reporting-Steps", 1);
	58	percentage = StepsDone/(float)TotalSteps * 100.0;
	59	strprintf(progress_str, _("Progress: [%3i%%]"), (int)percentage);
	60
	61	if(percentage < (last_reported_progress + reporting_steps))
	62	return false;
	63
	64	return true;
	65	}
	66
e6ad8031	67	PackageManagerProgressFd::PackageManagerProgressFd(int progress_fd)
65dbd5a1	68	: StepsDone(0), StepsTotal(1)
e6ad8031 MV	69	{
	70	OutStatusFd = progress_fd;
	71	}
	72
f9935b1c MV	73	void PackageManagerProgressFd::WriteToStatusFd(std::string s)
	74	{
	75	if(OutStatusFd <= 0)
	76	return;
	77	FileFd::Write(OutStatusFd, s.c_str(), s.size());
	78	}
	79
e45c4617	80	void PackageManagerProgressFd::StartDpkg()
e6ad8031	81	{
5e9458e2 MV	82	if(OutStatusFd <= 0)
	83	return;
	84
	85	// FIXME: use SetCloseExec here once it taught about throwing
	86	// exceptions instead of doing _exit(100) on failure
	87	fcntl(OutStatusFd,F_SETFD,FD_CLOEXEC);
e6ad8031 MV	88
e6ad8031 MV	89	// send status information that we are about to fork dpkg
f9935b1c MV	90	std::ostringstream status;
	91	status << "pmstatus:dpkg-exec:"
	92	<< (StepsDone/float(StepsTotal)*100.0)
	93	<< ":" << _("Running dpkg")
	94	<< std::endl;
	95	WriteToStatusFd(status.str());
e6ad8031 MV	96	}
e6ad8031 MV	97
a02db58f	98	APT_CONST void PackageManagerProgressFd::Stop()
e6ad8031	99	{
e6ad8031 MV	100	}
	101
	102	void PackageManagerProgressFd::Error(std::string PackageName,
	103	unsigned int StepsDone,
	104	unsigned int TotalSteps,
	105	std::string ErrorMessage)
	106	{
	107	std::ostringstream status;
	108	status << "pmerror:" << PackageName
	109	<< ":" << (StepsDone/float(TotalSteps)*100.0)
	110	<< ":" << ErrorMessage
	111	<< std::endl;
f9935b1c	112	WriteToStatusFd(status.str());
e6ad8031 MV	113	}
	114
	115	void PackageManagerProgressFd::ConffilePrompt(std::string PackageName,
	116	unsigned int StepsDone,
	117	unsigned int TotalSteps,
	118	std::string ConfMessage)
	119	{
	120	std::ostringstream status;
	121	status << "pmconffile:" << PackageName
	122	<< ":" << (StepsDone/float(TotalSteps)*100.0)
	123	<< ":" << ConfMessage
	124	<< std::endl;
f9935b1c	125	WriteToStatusFd(status.str());
e6ad8031 MV	126	}
	127
	128
	129	bool PackageManagerProgressFd::StatusChanged(std::string PackageName,
	130	unsigned int xStepsDone,
	131	unsigned int xTotalSteps,
	132	std::string pkg_action)
	133	{
	134	StepsDone = xStepsDone;
	135	StepsTotal = xTotalSteps;
	136
	137	// build the status str
	138	std::ostringstream status;
dd640f3c	139	status << "pmstatus:" << StringSplit(PackageName, ":")[0]
e6ad8031 MV	140	<< ":" << (StepsDone/float(StepsTotal)*100.0)
	141	<< ":" << pkg_action
	142	<< std::endl;
f9935b1c	143	WriteToStatusFd(status.str());
65dbd5a1 MV	144
	145	if(_config->FindB("Debug::APT::Progress::PackageManagerFd", false) == true)
	146	std::cerr << "progress: " << PackageName << " " << xStepsDone
	147	<< " " << xTotalSteps << " " << pkg_action
	148	<< std::endl;
	149
	150
e6ad8031 MV	151	return true;
	152	}
	153
c7ea1eba MV	154
	155	PackageManagerProgressDeb822Fd::PackageManagerProgressDeb822Fd(int progress_fd)
	156	: StepsDone(0), StepsTotal(1)
	157	{
	158	OutStatusFd = progress_fd;
	159	}
	160
	161	void PackageManagerProgressDeb822Fd::WriteToStatusFd(std::string s)
	162	{
	163	FileFd::Write(OutStatusFd, s.c_str(), s.size());
	164	}
	165
790d41f6	166	void PackageManagerProgressDeb822Fd::StartDpkg()
c7ea1eba MV	167	{
	168	// FIXME: use SetCloseExec here once it taught about throwing
	169	// exceptions instead of doing _exit(100) on failure
	170	fcntl(OutStatusFd,F_SETFD,FD_CLOEXEC);
	171
	172	// send status information that we are about to fork dpkg
	173	std::ostringstream status;
	174	status << "Status: " << "progress" << std::endl
	175	<< "Percent: " << (StepsDone/float(StepsTotal)*100.0) << std::endl
	176	<< "Message: " << _("Running dpkg") << std::endl
	177	<< std::endl;
	178	WriteToStatusFd(status.str());
	179	}
	180
a02db58f	181	APT_CONST void PackageManagerProgressDeb822Fd::Stop()
c7ea1eba	182	{
c7ea1eba MV	183	}
	184
	185	void PackageManagerProgressDeb822Fd::Error(std::string PackageName,
	186	unsigned int StepsDone,
	187	unsigned int TotalSteps,
	188	std::string ErrorMessage)
	189	{
	190	std::ostringstream status;
	191	status << "Status: " << "Error" << std::endl
	192	<< "Package:" << PackageName << std::endl
	193	<< "Percent: " << (StepsDone/float(TotalSteps)*100.0) << std::endl
	194	<< "Message: " << ErrorMessage << std::endl
	195	<< std::endl;
	196	WriteToStatusFd(status.str());
	197	}
	198
	199	void PackageManagerProgressDeb822Fd::ConffilePrompt(std::string PackageName,
	200	unsigned int StepsDone,
	201	unsigned int TotalSteps,
	202	std::string ConfMessage)
	203	{
	204	std::ostringstream status;
	205	status << "Status: " << "ConfFile" << std::endl
	206	<< "Package:" << PackageName << std::endl
	207	<< "Percent: " << (StepsDone/float(TotalSteps)*100.0) << std::endl
	208	<< "Message: " << ConfMessage << std::endl
	209	<< std::endl;
	210	WriteToStatusFd(status.str());
	211	}
	212
	213
	214	bool PackageManagerProgressDeb822Fd::StatusChanged(std::string PackageName,
	215	unsigned int xStepsDone,
	216	unsigned int xTotalSteps,
	217	std::string message)
	218	{
	219	StepsDone = xStepsDone;
	220	StepsTotal = xTotalSteps;
	221
	222	// build the status str
	223	std::ostringstream status;
	224	status << "Status: " << "progress" << std::endl
	225	<< "Package: " << PackageName << std::endl
	226	<< "Percent: " << (StepsDone/float(StepsTotal)*100.0) << std::endl
	227	<< "Message: " << message << std::endl
	228	<< std::endl;
	229	WriteToStatusFd(status.str());
	230
	231	return true;
	232	}
	233
5ed88785 MV	234
	235	PackageManagerFancy::PackageManagerFancy()
	236	: child_pty(-1)
	237	{
	238	// setup terminal size
	239	old_SIGWINCH = signal(SIGWINCH, PackageManagerFancy::staticSIGWINCH);
	240	instances.push_back(this);
	241	}
	242	std::vector<PackageManagerFancy*> PackageManagerFancy::instances;
	243
	244	PackageManagerFancy::~PackageManagerFancy()
	245	{
	246	instances.erase(find(instances.begin(), instances.end(), this));
	247	signal(SIGWINCH, old_SIGWINCH);
	248	}
	249
	250	void PackageManagerFancy::staticSIGWINCH(int signum)
	251	{
	252	std::vector<PackageManagerFancy *>::const_iterator I;
9ce3cfc9	253	for(I = instances.begin(); I != instances.end(); ++I)
5ed88785 MV	254	(*I)->HandleSIGWINCH(signum);
	255	}
	256
fa211e2d MV	257	PackageManagerFancy::TermSize
fa211e2d MV	258	PackageManagerFancy::GetTerminalSize()
e96e4e9c MV	259	{
e96e4e9c MV	260	struct winsize win;
76bd63e2	261	PackageManagerFancy::TermSize s = { 0, 0 };
fa211e2d	262
5ed88785	263	// FIXME: get from "child_pty" instead?
e96e4e9c	264	if(ioctl(STDOUT_FILENO, TIOCGWINSZ, (char *)&win) != 0)
fa211e2d	265	return s;
5ed88785 MV	266
5ed88785 MV	267	if(_config->FindB("Debug::InstallProgress::Fancy", false) == true)
76bd63e2	268	std::cerr << "GetTerminalSize: " << win.ws_row << " x " << win.ws_col << std::endl;
fa211e2d MV	269
	270	s.rows = win.ws_row;
	271	s.columns = win.ws_col;
	272	return s;
e96e4e9c	273	}
c7ea1eba	274
db78c60c	275	void PackageManagerFancy::SetupTerminalScrollArea(int nr_rows)
31f97d7b	276	{
5ed88785 MV	277	if(_config->FindB("Debug::InstallProgress::Fancy", false) == true)
	278	std::cerr << "SetupTerminalScrollArea: " << nr_rows << std::endl;
	279
76bd63e2 DK	280	if (unlikely(nr_rows <= 1))
	281	return;
	282
31f97d7b MV	283	// scroll down a bit to avoid visual glitch when the screen
	284	// area shrinks by one row
	285	std::cout << "\n";
	286
	287	// save cursor
	288	std::cout << "\033[s";
	289
	290	// set scroll region (this will place the cursor in the top left)
5ed88785	291	std::cout << "\033[0;" << nr_rows - 1 << "r";
31f97d7b MV	292
	293	// restore cursor but ensure its inside the scrolling area
	294	std::cout << "\033[u";
	295	static const char *move_cursor_up = "\033[1A";
	296	std::cout << move_cursor_up;
db78c60c	297
5ed88785	298	// ensure its flushed
31f97d7b	299	std::flush(std::cout);
31f97d7b	300
5ed88785 MV	301	// setup tty size to ensure xterm/linux console are working properly too
	302	// see bug #731738
	303	struct winsize win;
76bd63e2 DK	304	if (ioctl(child_pty, TIOCGWINSZ, (char *)&win) != -1)
	305	{
	306	win.ws_row = nr_rows - 1;
	307	ioctl(child_pty, TIOCSWINSZ, (char *)&win);
	308	}
e96e4e9c MV	309	}
	310
	311	void PackageManagerFancy::HandleSIGWINCH(int)
	312	{
76bd63e2	313	int const nr_terminal_rows = GetTerminalSize().rows;
e96e4e9c	314	SetupTerminalScrollArea(nr_terminal_rows);
76bd63e2	315	DrawStatusLine();
31f97d7b MV	316	}
31f97d7b MV	317
5ed88785	318	void PackageManagerFancy::Start(int a_child_pty)
31f97d7b	319	{
5ed88785	320	child_pty = a_child_pty;
76bd63e2 DK	321	int const nr_terminal_rows = GetTerminalSize().rows;
76bd63e2 DK	322	SetupTerminalScrollArea(nr_terminal_rows);
31f97d7b MV	323	}
31f97d7b MV	324
a22fdebf	325	void PackageManagerFancy::Stop()
31f97d7b	326	{
76bd63e2	327	int const nr_terminal_rows = GetTerminalSize().rows;
db78c60c MV	328	if (nr_terminal_rows > 0)
	329	{
	330	SetupTerminalScrollArea(nr_terminal_rows + 1);
31f97d7b	331
db78c60c MV	332	// override the progress line (sledgehammer)
	333	static const char* clear_screen_below_cursor = "\033[J";
	334	std::cout << clear_screen_below_cursor;
	335	}
5ed88785	336	child_pty = -1;
31f97d7b MV	337	}
31f97d7b MV	338
fa211e2d MV	339	std::string
	340	PackageManagerFancy::GetTextProgressStr(float Percent, int OutputSize)
	341	{
	342	std::string output;
	343	int i;
	344
	345	// should we raise a exception here instead?
	346	if (Percent < 0.0 \|\| Percent > 1.0 \|\| OutputSize < 3)
	347	return output;
	348
	349	int BarSize = OutputSize - 2; // bar without the leading "[" and trailing "]"
	350	output += "[";
	351	for(i=0; i < BarSize*Percent; i++)
	352	output += "#";
	353	for (/nothing/; i < BarSize; i++)
	354	output += ".";
	355	output += "]";
	356	return output;
	357	}
	358
6c5ae8ed	359	bool PackageManagerFancy::StatusChanged(std::string PackageName,
31f97d7b	360	unsigned int StepsDone,
e6ad8031 MV	361	unsigned int TotalSteps,
e6ad8031 MV	362	std::string HumanReadableAction)
31f97d7b	363	{
e6ad8031 MV	364	if (!PackageManager::StatusChanged(PackageName, StepsDone, TotalSteps,
e6ad8031 MV	365	HumanReadableAction))
6c5ae8ed	366	return false;
31f97d7b	367
76bd63e2 DK	368	return DrawStatusLine();
	369	}
	370	bool PackageManagerFancy::DrawStatusLine()
	371	{
	372	PackageManagerFancy::TermSize const size = GetTerminalSize();
	373	if (unlikely(size.rows < 1 \|\| size.columns < 1))
	374	return false;
31f97d7b	375
453b82a3 DK	376	static std::string save_cursor = "\033[s";
	377	static std::string restore_cursor = "\033[u";
	378
c34d1202 MV	379	// green
	380	static std::string set_bg_color = DeQuoteString(
	381	_config->Find("Dpkg::Progress-Fancy::Progress-fg", "%1b[42m"));
	382	// black
	383	static std::string set_fg_color = DeQuoteString(
	384	_config->Find("Dpkg::Progress-Fancy::Progress-bg", "%1b[30m"));
453b82a3 DK	385
	386	static std::string restore_bg = "\033[49m";
	387	static std::string restore_fg = "\033[39m";
	388
31f97d7b MV	389	std::cout << save_cursor
31f97d7b MV	390	// move cursor position to last row
fa211e2d	391	<< "\033[" << size.rows << ";0f"
31f97d7b MV	392	<< set_bg_color
	393	<< set_fg_color
	394	<< progress_str
31f97d7b MV	395	<< restore_bg
	396	<< restore_fg;
	397	std::flush(std::cout);
fa211e2d MV	398
	399	// draw text progress bar
	400	if (_config->FindB("Dpkg::Progress-Fancy::Progress-Bar", true))
	401	{
	402	int padding = 4;
	403	float progressbar_size = size.columns - padding - progress_str.size();
76bd63e2	404	float current_percent = percentage / 100.0;
fa211e2d MV	405	std::cout << " "
	406	<< GetTextProgressStr(current_percent, progressbar_size)
	407	<< " ";
	408	std::flush(std::cout);
	409	}
	410
	411	// restore
	412	std::cout << restore_cursor;
	413	std::flush(std::cout);
	414
31f97d7b	415	last_reported_progress = percentage;
6c5ae8ed MV	416
6c5ae8ed MV	417	return true;
31f97d7b MV	418	}
31f97d7b MV	419
6c5ae8ed	420	bool PackageManagerText::StatusChanged(std::string PackageName,
31f97d7b	421	unsigned int StepsDone,
e6ad8031 MV	422	unsigned int TotalSteps,
e6ad8031 MV	423	std::string HumanReadableAction)
31f97d7b	424	{
e6ad8031	425	if (!PackageManager::StatusChanged(PackageName, StepsDone, TotalSteps, HumanReadableAction))
6c5ae8ed	426	return false;
31f97d7b MV	427
	428	std::cout << progress_str << "\r\n";
	429	std::flush(std::cout);
	430
	431	last_reported_progress = percentage;
6c5ae8ed MV	432
6c5ae8ed MV	433	return true;
31f97d7b MV	434	}
	435
	436
c7ea1eba	437
d3e8fbb3 DK	438	} // namespace progress
d3e8fbb3 DK	439	} // namespace apt