Hidden debug option to make _disk not start _disk_writer on Linux.
[dcpomatic.git] / src / tools / dcpomatic_disk.cc
1 /*
2     Copyright (C) 2019-2020 Carl Hetherington <cth@carlh.net>
3
4     This file is part of DCP-o-matic.
5
6     DCP-o-matic is free software; you can redistribute it and/or modify
7     it under the terms of the GNU General Public License as published by
8     the Free Software Foundation; either version 2 of the License, or
9     (at your option) any later version.
10
11     DCP-o-matic is distributed in the hope that it will be useful,
12     but WITHOUT ANY WARRANTY; without even the implied warranty of
13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14     GNU General Public License for more details.
15
16     You should have received a copy of the GNU General Public License
17     along with DCP-o-matic.  If not, see <http://www.gnu.org/licenses/>.
18
19 */
20
21 #include "wx/wx_signal_manager.h"
22 #include "wx/wx_util.h"
23 #include "wx/job_manager_view.h"
24 #include "wx/drive_wipe_warning_dialog.h"
25 #include "wx/try_unmount_dialog.h"
26 #include "wx/message_dialog.h"
27 #include "wx/disk_warning_dialog.h"
28 #include "lib/file_log.h"
29 #include "lib/dcpomatic_log.h"
30 #include "lib/util.h"
31 #include "lib/config.h"
32 #include "lib/signal_manager.h"
33 #include "lib/cross.h"
34 #include "lib/copy_to_drive_job.h"
35 #include "lib/job_manager.h"
36 #include "lib/disk_writer_messages.h"
37 #include "lib/version.h"
38 #include <wx/wx.h>
39 #include <boost/process.hpp>
40 #ifdef DCPOMATIC_WINDOWS
41 #include <boost/process/windows.hpp>
42 #endif
43 #ifdef DCPOMATIC_OSX
44 #include <ApplicationServices/ApplicationServices.h>
45 #include <notify.h>
46 #endif
47
48 using std::string;
49 using std::exception;
50 using std::cout;
51 using std::cerr;
52 using boost::shared_ptr;
53 using boost::optional;
54
55 class DOMFrame : public wxFrame
56 {
57 public:
58         explicit DOMFrame (wxString const & title)
59                 : wxFrame (0, -1, title)
60                 , _nanomsg (true)
61                 , _sizer (new wxBoxSizer(wxVERTICAL))
62         {
63                 /* Use a panel as the only child of the Frame so that we avoid
64                    the dark-grey background on Windows.
65                 */
66                 wxPanel* overall_panel = new wxPanel (this);
67                 wxSizer* s = new wxBoxSizer (wxHORIZONTAL);
68                 s->Add (overall_panel, 1, wxEXPAND);
69                 SetSizer (s);
70
71                 wxGridBagSizer* grid = new wxGridBagSizer (DCPOMATIC_SIZER_X_GAP, DCPOMATIC_SIZER_Y_GAP);
72
73                 int r = 0;
74                 add_label_to_sizer (grid, overall_panel, _("DCP"), true, wxGBPosition(r, 0));
75                 wxBoxSizer* dcp_name_sizer = new wxBoxSizer (wxHORIZONTAL);
76                 _dcp_name = new wxStaticText (overall_panel, wxID_ANY, wxEmptyString);
77                 dcp_name_sizer->Add (_dcp_name, 1, wxALIGN_CENTER_VERTICAL | wxRIGHT, DCPOMATIC_SIZER_X_GAP);
78                 _dcp_open = new wxButton (overall_panel, wxID_ANY, _("Open..."));
79                 dcp_name_sizer->Add (_dcp_open, 0);
80                 grid->Add (dcp_name_sizer, wxGBPosition(r, 1), wxDefaultSpan, wxEXPAND);
81                 ++r;
82
83                 add_label_to_sizer (grid, overall_panel, _("Drive"), true, wxGBPosition(r, 0));
84                 wxBoxSizer* drive_sizer = new wxBoxSizer (wxHORIZONTAL);
85                 _drive = new wxChoice (overall_panel, wxID_ANY);
86                 drive_sizer->Add (_drive, 1, wxALIGN_CENTER_VERTICAL | wxRIGHT, DCPOMATIC_SIZER_X_GAP);
87                 _drive_refresh = new wxButton (overall_panel, wxID_ANY, _("Refresh"));
88                 drive_sizer->Add (_drive_refresh, 0);
89                 grid->Add (drive_sizer, wxGBPosition(r, 1), wxDefaultSpan, wxEXPAND);
90                 ++r;
91
92                 _jobs = new JobManagerView (overall_panel, false);
93                 grid->Add (_jobs, wxGBPosition(r, 0), wxGBSpan(6, 2), wxEXPAND);
94                 r += 6;
95
96                 _copy = new wxButton (overall_panel, wxID_ANY, _("Copy DCP"));
97                 grid->Add (_copy, wxGBPosition(r, 0), wxGBSpan(1, 2), wxEXPAND);
98                 ++r;
99
100                 grid->AddGrowableCol (1);
101
102                 _dcp_open->Bind (wxEVT_BUTTON, boost::bind(&DOMFrame::open, this));
103                 _copy->Bind (wxEVT_BUTTON, boost::bind(&DOMFrame::copy, this));
104                 _drive->Bind (wxEVT_CHOICE, boost::bind(&DOMFrame::setup_sensitivity, this));
105                 _drive_refresh->Bind (wxEVT_BUTTON, boost::bind(&DOMFrame::drive_refresh, this));
106
107                 _sizer->Add (grid, 1, wxALL | wxEXPAND, DCPOMATIC_DIALOG_BORDER);
108                 overall_panel->SetSizer (_sizer);
109                 Fit ();
110                 SetSize (768, GetSize().GetHeight() + 32);
111
112                 /* XXX: this is a hack, but I expect we'll need logs and I'm not sure if there's
113                  * a better place to put them.
114                  */
115                 dcpomatic_log.reset(new FileLog(config_path() / "disk.log"));
116                 dcpomatic_log->set_types (dcpomatic_log->types() | LogEntry::TYPE_DISK);
117                 LOG_DISK("dcpomatic_disk %1 started", dcpomatic_git_commit);
118
119                 drive_refresh ();
120
121                 Bind (wxEVT_SIZE, boost::bind(&DOMFrame::sized, this, _1));
122                 Bind (wxEVT_CLOSE_WINDOW, boost::bind(&DOMFrame::close, this, _1));
123
124                 JobManager::instance()->ActiveJobsChanged.connect(boost::bind(&DOMFrame::setup_sensitivity, this));
125
126 #ifdef DCPOMATIC_WINDOWS
127                 /* We must use ::shell here, it seems, to avoid error code 740 (related to privilege escalation) */
128                 LOG_DISK("Starting writer process %1", disk_writer_path().string());
129                 _writer = new boost::process::child (disk_writer_path(), boost::process::shell, boost::process::windows::hide);
130 #endif
131
132 #ifdef DCPOMATIC_LINUX
133                 if (getenv("DCPOMATIC_NO_START_WRITER")) {
134                         LOG_DISK_NC("Not starting writer process as DCPOMATIC_NO_START_WRITER is set");
135                 } else {
136                         LOG_DISK("Starting writer process %1", disk_writer_path().string());
137                         _writer = new boost::process::child (disk_writer_path());
138                 }
139 #endif
140
141 #ifdef DCPOMATIC_OSX
142                 LOG_DISK_NC("Sending notification to writer daemon");
143                 notify_post ("com.dcpomatic.disk.writer.start");
144 #endif
145         }
146
147         ~DOMFrame ()
148         {
149                 _nanomsg.send(DISK_WRITER_QUIT "\n", 2000);
150         }
151
152 private:
153         void sized (wxSizeEvent& ev)
154         {
155                 _sizer->Layout ();
156                 ev.Skip ();
157         }
158
159
160         bool should_close ()
161         {
162                 if (!JobManager::instance()->work_to_do()) {
163                         return true;
164                 }
165
166                 wxMessageDialog* d = new wxMessageDialog (
167                         0,
168                         _("There are unfinished jobs; are you sure you want to quit?"),
169                         _("Unfinished jobs"),
170                         wxYES_NO | wxYES_DEFAULT | wxICON_QUESTION
171                         );
172
173                 bool const r = d->ShowModal() == wxID_YES;
174                 d->Destroy ();
175                 return r;
176         }
177
178
179         void close (wxCloseEvent& ev)
180         {
181                 if (!should_close()) {
182                         ev.Veto ();
183                         return;
184                 }
185
186                 ev.Skip ();
187         }
188
189
190         void open ()
191         {
192                 wxDirDialog* d = new wxDirDialog (this, _("Choose a DCP folder"), wxT(""), wxDD_DIR_MUST_EXIST);
193                 int r = d->ShowModal ();
194                 boost::filesystem::path const path (wx_to_std(d->GetPath()));
195                 d->Destroy ();
196
197                 if (r != wxID_OK) {
198                         return;
199                 }
200
201                 _dcp_path = path;
202                 _dcp_name->SetLabel (std_to_wx(_dcp_path->filename().string()));
203                 setup_sensitivity ();
204         }
205
206         void copy ()
207         {
208                 DCPOMATIC_ASSERT (_drive->GetSelection() != wxNOT_FOUND);
209                 DCPOMATIC_ASSERT (static_cast<bool>(_dcp_path));
210
211                 Drive const& drive = _drives[_drive->GetSelection()];
212                 if (drive.mounted()) {
213                         TryUnmountDialog* d = new TryUnmountDialog(this, drive.description());
214                         int const r = d->ShowModal ();
215                         d->Destroy ();
216                         if (r != wxID_OK) {
217                                 return;
218                         }
219
220                         LOG_DISK("Sending unmount request to disk writer for %1", drive.as_xml());
221                         if (!_nanomsg.send(DISK_WRITER_UNMOUNT "\n", 2000)) {
222                                 throw CommunicationFailedError ();
223                         }
224                         if (!_nanomsg.send(drive.as_xml(), 2000)) {
225                                 throw CommunicationFailedError ();
226                         }
227                         optional<string> reply = _nanomsg.receive (2000);
228                         if (!reply || *reply != DISK_WRITER_OK) {
229                                 MessageDialog* m = new MessageDialog (
230                                                 this,
231                                                 _("DCP-o-matic Disk Writer"),
232                                                 wxString::Format(_("The drive %s could not be unmounted.\nClose any application that is using it, then try again."), std_to_wx(drive.description()))
233                                                 );
234                                 m->ShowModal ();
235                                 m->Destroy ();
236                                 return;
237                         }
238                 }
239
240
241                 DriveWipeWarningDialog* d = new DriveWipeWarningDialog (this, _drive->GetString(_drive->GetSelection()));
242                 int const r = d->ShowModal ();
243                 bool ok = r == wxID_OK && d->confirmed();
244                 d->Destroy ();
245
246                 if (!ok) {
247                         return;
248                 }
249
250                 JobManager::instance()->add(shared_ptr<Job>(new CopyToDriveJob(*_dcp_path, _drives[_drive->GetSelection()], _nanomsg)));
251                 setup_sensitivity ();
252         }
253
254         void drive_refresh ()
255         {
256                 int const sel = _drive->GetSelection ();
257                 wxString current;
258                 if (sel != wxNOT_FOUND) {
259                         current = _drive->GetString (sel);
260                 }
261                 _drive->Clear ();
262                 int re_select = wxNOT_FOUND;
263                 int j = 0;
264                 _drives = Drive::get ();
265                 BOOST_FOREACH (Drive i, _drives) {
266                         wxString const s = std_to_wx(i.description());
267                         if (s == current) {
268                                 re_select = j;
269                         }
270                         _drive->Append(s);
271                         ++j;
272                 }
273                 _drive->SetSelection (re_select);
274                 setup_sensitivity ();
275         }
276
277         void setup_sensitivity ()
278         {
279                 _copy->Enable (static_cast<bool>(_dcp_path) && _drive->GetSelection() != wxNOT_FOUND && !JobManager::instance()->work_to_do());
280         }
281
282         wxStaticText* _dcp_name;
283         wxButton* _dcp_open;
284         wxChoice* _drive;
285         wxButton* _drive_refresh;
286         wxButton* _copy;
287         JobManagerView* _jobs;
288         boost::optional<boost::filesystem::path> _dcp_path;
289         std::vector<Drive> _drives;
290 #ifndef DCPOMATIC_OSX
291         boost::process::child* _writer;
292 #endif
293         Nanomsg _nanomsg;
294         wxSizer* _sizer;
295 };
296
297 class App : public wxApp
298 {
299 public:
300         App ()
301                 : _frame (0)
302         {}
303
304         bool OnInit ()
305         {
306                 try {
307                         Config::FailedToLoad.connect (boost::bind (&App::config_failed_to_load, this));
308                         Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
309
310                         SetAppName (_("DCP-o-matic Disk Writer"));
311
312                         if (!wxApp::OnInit()) {
313                                 return false;
314                         }
315
316 #ifdef DCPOMATIC_LINUX
317                         unsetenv ("UBUNTU_MENUPROXY");
318 #endif
319
320 #ifdef __WXOSX__
321                         ProcessSerialNumber serial;
322                         GetCurrentProcess (&serial);
323                         TransformProcessType (&serial, kProcessTransformToForegroundApplication);
324 #endif
325
326                         dcpomatic_setup_path_encoding ();
327
328                         /* Enable i18n; this will create a Config object
329                            to look for a force-configured language.  This Config
330                            object will be wrong, however, because dcpomatic_setup
331                            hasn't yet been called and there aren't any filters etc.
332                            set up yet.
333                         */
334                         dcpomatic_setup_i18n ();
335
336                         /* Set things up, including filters etc.
337                            which will now be internationalised correctly.
338                         */
339                         dcpomatic_setup ();
340
341                         /* Force the configuration to be re-loaded correctly next
342                            time it is needed.
343                         */
344                         Config::drop ();
345
346                         DiskWarningDialog* warning = new DiskWarningDialog ();
347                         warning->ShowModal ();
348                         if (!warning->confirmed()) {
349                                 return false;
350                         }
351                         warning->Destroy ();
352
353                         _frame = new DOMFrame (_("DCP-o-matic Disk Writer"));
354                         SetTopWindow (_frame);
355
356                         _frame->Show ();
357
358                         signal_manager = new wxSignalManager (this);
359                         Bind (wxEVT_IDLE, boost::bind (&App::idle, this, _1));
360                 }
361                 catch (exception& e)
362                 {
363                         error_dialog (0, wxString::Format ("DCP-o-matic could not start."), std_to_wx(e.what()));
364                         return false;
365                 }
366
367                 return true;
368         }
369
370         void config_failed_to_load ()
371         {
372                 message_dialog (_frame, _("The existing configuration failed to load.  Default values will be used instead.  These may take a short time to create."));
373         }
374
375         void config_warning (string m)
376         {
377                 message_dialog (_frame, std_to_wx(m));
378         }
379
380         void idle (wxIdleEvent& ev)
381         {
382                 signal_manager->ui_idle ();
383                 ev.Skip ();
384         }
385
386         void report_exception ()
387         {
388                 try {
389                         throw;
390                 } catch (FileError& e) {
391                         error_dialog (
392                                 0,
393                                 wxString::Format (
394                                         _("An exception occurred: %s (%s)\n\n") + REPORT_PROBLEM,
395                                         std_to_wx (e.what()),
396                                         std_to_wx (e.file().string().c_str ())
397                                         )
398                                 );
399                 } catch (exception& e) {
400                         error_dialog (
401                                 0,
402                                 wxString::Format (
403                                         _("An exception occurred: %s.\n\n") + REPORT_PROBLEM,
404                                         std_to_wx (e.what ())
405                                         )
406                                 );
407                 } catch (...) {
408                         error_dialog (0, _("An unknown exception occurred.") + "  " + REPORT_PROBLEM);
409                 }
410         }
411
412         bool OnExceptionInMainLoop ()
413         {
414                 report_exception ();
415                 /* This will terminate the program */
416                 return false;
417         }
418
419         void OnUnhandledException ()
420         {
421                 report_exception ();
422         }
423
424         DOMFrame* _frame;
425 };
426
427 IMPLEMENT_APP (App)