src/tools/dcpomatic_server.cc

   1 /*
   2     Copyright (C) 2012-2015 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/id.h"
  22 #include "wx/static_text.h"
  23 #include "wx/wx_signal_manager.h"
  24 #include "wx/wx_util.h"
  25 #include "lib/config.h"
  26 #ifdef DCPOMATIC_GROK
  27 #include "lib/grok/context.h"
  28 #endif
  29 #include "lib/log.h"
  30 #include "lib/signaller.h"
  31 #include "lib/cross.h"
  32 #include "lib/dcpomatic_log.h"
  33 #include "lib/encode_server.h"
  34 #include "lib/encoded_log_entry.h"
  35 #include "lib/log.h"
  36 #include "lib/signaller.h"
  37 #include "lib/util.h"
  38 #include <dcp/warnings.h>
  39 LIBDCP_DISABLE_WARNINGS
  40 #include <wx/icon.h>
  41 #include <wx/splash.h>
  42 #include <wx/taskbar.h>
  43 LIBDCP_ENABLE_WARNINGS
  44 #include <boost/thread.hpp>
  45 #include <boost/optional.hpp>
  46 #include <iostream>
  47
  48
  49 using std::cout;
  50 using std::dynamic_pointer_cast;
  51 using std::exception;
  52 using std::fixed;
  53 using std::list;
  54 using std::setprecision;
  55 using std::shared_ptr;
  56 using std::string;
  57 using boost::bind;
  58 using boost::optional;
  59 using boost::thread;
  60 #if BOOST_VERSION >= 106100
  61 using namespace boost::placeholders;
  62 #endif
  63
  64
  65 enum {
  66         ID_status = DCPOMATIC_MAIN_MENU,
  67         ID_quit,
  68         ID_timer
  69 };
  70
  71 static unsigned int const log_lines = 32;
  72
  73
  74 class ServerLog : public Log, public Signaller
  75 {
  76 public:
  77         ServerLog ()
  78                 : _fps (0)
  79         {}
  80
  81         string get () const {
  82                 string a;
  83                 for (auto const& i: _log) {
  84                         a += i + "\n";
  85                 }
  86                 return a;
  87         }
  88
  89         float fps () const {
  90                 boost::mutex::scoped_lock lm (_state_mutex);
  91                 return _fps;
  92         }
  93
  94         boost::signals2::signal<void(string)> Appended;
  95         boost::signals2::signal<void(int)> Removed;
  96
  97 private:
  98         void do_log (shared_ptr<const LogEntry> entry) override
  99         {
 100                 time_t const s = entry->seconds ();
 101                 struct tm* local = localtime (&s);
 102                 if (
 103                         !_last_time ||
 104                         local->tm_yday != _last_time->tm_yday ||
 105                         local->tm_year != _last_time->tm_year ||
 106                         local->tm_hour != _last_time->tm_hour ||
 107                         local->tm_min != _last_time->tm_min
 108                         ) {
 109                         char buffer[64];
 110                         strftime (buffer, 64, "%c", local);
 111                         append (buffer);
 112                 }
 113
 114                 append (entry->message ());
 115                 if (_log.size() > log_lines) {
 116                         emit (boost::bind (boost::ref (Removed), _log.front().length()));
 117                         _log.pop_front ();
 118                 }
 119                 _last_time = *local;
 120
 121                 auto encoded = dynamic_pointer_cast<const EncodedLogEntry> (entry);
 122                 if (encoded) {
 123                         _history.push_back (encoded->seconds ());
 124                         if (_history.size() > 48) {
 125                                 _history.pop_front ();
 126                         }
 127                         if (_history.size() > 2) {
 128                                 boost::mutex::scoped_lock lm (_state_mutex);
 129                                 _fps = _history.size() / (_history.back() - _history.front());
 130                         }
 131                 }
 132         }
 133
 134         void append (string s)
 135         {
 136                 _log.push_back (s);
 137                 emit (boost::bind(boost::ref(Appended), s));
 138         }
 139
 140         list<string> _log;
 141         optional<struct tm> _last_time;
 142         std::list<double> _history;
 143
 144         mutable boost::mutex _state_mutex;
 145         float _fps;
 146 };
 147
 148
 149 static shared_ptr<ServerLog> server_log;
 150
 151
 152 class StatusDialog : public wxDialog
 153 {
 154 public:
 155         StatusDialog ()
 156                 : wxDialog (
 157                         nullptr, wxID_ANY, _("DCP-o-matic Encode Server"),
 158                         wxDefaultPosition, wxDefaultSize,
 159 #ifdef DCPOMATIC_OSX
 160                         wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER | wxSTAY_ON_TOP
 161 #else
 162                         wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER
 163 #endif
 164                         )
 165         {
 166                 auto state_sizer = new wxFlexGridSizer (2, DCPOMATIC_SIZER_GAP, DCPOMATIC_SIZER_GAP);
 167
 168                 add_label_to_sizer (state_sizer, this, _("Frames per second"), true);
 169                 _fps = new StaticText (this, wxT(""));
 170                 state_sizer->Add (_fps);
 171
 172                 auto log_sizer = new wxFlexGridSizer (1, DCPOMATIC_SIZER_GAP, DCPOMATIC_SIZER_GAP);
 173                 log_sizer->AddGrowableCol (0, 1);
 174
 175                 wxClientDC dc (this);
 176                 wxSize size = dc.GetTextExtent (wxT ("This is the length of the file label it should be quite long"));
 177                 int const height = (size.GetHeight() + 2) * log_lines;
 178                 SetSize (700, height + DCPOMATIC_SIZER_GAP * 2);
 179
 180                 _text = new wxTextCtrl (
 181                         this, wxID_ANY, std_to_wx (server_log->get()), wxDefaultPosition, wxSize (-1, height),
 182                         wxTE_READONLY | wxTE_MULTILINE
 183                         );
 184
 185                 log_sizer->Add (_text, 1, wxEXPAND);
 186
 187                 wxBoxSizer* overall_sizer = new wxBoxSizer (wxVERTICAL);
 188                 overall_sizer->Add (state_sizer, 0, wxALL, DCPOMATIC_SIZER_GAP);
 189                 overall_sizer->Add (log_sizer, 1, wxEXPAND | wxALL, DCPOMATIC_SIZER_GAP);
 190                 SetSizer (overall_sizer);
 191                 overall_sizer->Layout ();
 192
 193                 Bind (wxEVT_TIMER, boost::bind (&StatusDialog::update_state, this));
 194                 _timer.reset (new wxTimer (this));
 195                 _timer->Start (1000);
 196
 197                 server_log->Appended.connect (bind (&StatusDialog::appended, this, _1));
 198                 server_log->Removed.connect (bind (&StatusDialog::removed, this, _1));
 199         }
 200
 201 private:
 202         void appended (string s)
 203         {
 204                 (*_text) << s << "\n";
 205         }
 206
 207         void removed (int n)
 208         {
 209                 _text->Remove (0, n + 1);
 210         }
 211
 212         void update_state ()
 213         {
 214                 _fps->SetLabel (wxString::Format ("%.1f", server_log->fps()));
 215         }
 216
 217         wxTextCtrl* _text;
 218         wxStaticText* _fps;
 219         std::shared_ptr<wxTimer> _timer;
 220 };
 221
 222
 223 static StatusDialog* status_dialog = nullptr;
 224
 225
 226 class TaskBarIcon : public wxTaskBarIcon
 227 {
 228 public:
 229         TaskBarIcon ()
 230         {
 231                 set_icon ();
 232
 233                 Bind (wxEVT_MENU, boost::bind (&TaskBarIcon::status, this), ID_status);
 234                 Bind (wxEVT_MENU, boost::bind (&TaskBarIcon::quit, this), ID_quit);
 235         }
 236
 237         wxMenu* CreatePopupMenu () override
 238         {
 239                 auto menu = new wxMenu;
 240                 menu->Append (ID_status, std_to_wx ("Status..."));
 241                 menu->Append (ID_quit, std_to_wx ("Quit"));
 242                 return menu;
 243         }
 244
 245         void set_icon ()
 246         {
 247 #ifdef DCPOMATIC_WINDOWS
 248                 wxIcon icon (std_to_wx("id"));
 249 #else
 250                 string const colour = gui_is_dark() ? "white" : "black";
 251                 wxBitmap bitmap (
 252                         bitmap_path(String::compose("dcpomatic_small_%1.png", colour)),
 253                         wxBITMAP_TYPE_PNG
 254                         );
 255                 wxIcon icon;
 256                 icon.CopyFromBitmap (bitmap);
 257 #endif
 258
 259                 SetIcon (icon, std_to_wx ("DCP-o-matic Encode Server"));
 260         }
 261
 262 private:
 263         void status ()
 264         {
 265                 status_dialog->Show ();
 266         }
 267
 268         void quit ()
 269         {
 270                 wxTheApp->ExitMainLoop ();
 271         }
 272 };
 273
 274
 275 class App : public wxApp, public ExceptionStore
 276 {
 277 public:
 278         App ()
 279                 : wxApp ()
 280         {}
 281
 282 private:
 283
 284         bool OnInit () override
 285         {
 286                 if (!wxApp::OnInit()) {
 287                         return false;
 288                 }
 289
 290                 wxInitAllImageHandlers ();
 291
 292                 server_log.reset (new ServerLog);
 293                 server_log->set_types (LogEntry::TYPE_GENERAL | LogEntry::TYPE_WARNING | LogEntry::TYPE_ERROR);
 294                 dcpomatic_log = server_log;
 295
 296                 Config::FailedToLoad.connect(boost::bind(&App::config_failed_to_load, this, _1));
 297                 Config::Warning.connect (boost::bind (&App::config_warning, this, _1));
 298
 299                 auto splash = maybe_show_splash ();
 300
 301                 dcpomatic_setup_path_encoding ();
 302                 dcpomatic_setup_i18n ();
 303                 dcpomatic_setup ();
 304                 Config::drop ();
 305
 306                 signal_manager = new wxSignalManager (this);
 307                 Bind (wxEVT_IDLE, boost::bind (&App::idle, this));
 308
 309                 /* Bad things happen (on Linux at least) if the config is reloaded by main_thread;
 310                    it seems like there's a race which results in the locked_sstream mutex being
 311                    locked before it is initialised.  Calling Config::instance() here loads the config
 312                    again in this thread, which seems to work around the problem.
 313                 */
 314                 Config::instance();
 315
 316                 status_dialog = new StatusDialog ();
 317 #ifdef DCPOMATIC_LINUX
 318                 status_dialog->Show ();
 319 #else
 320                 _icon = new TaskBarIcon;
 321                 status_dialog->Bind (wxEVT_SYS_COLOUR_CHANGED, boost::bind(&TaskBarIcon::set_icon, _icon));
 322 #endif
 323                 _thread = thread (bind (&App::main_thread, this));
 324
 325                 Bind (wxEVT_TIMER, boost::bind (&App::check, this));
 326                 _timer.reset (new wxTimer (this));
 327                 _timer->Start (1000);
 328
 329                 if (splash) {
 330                         splash->Destroy ();
 331                 }
 332
 333                 SetExitOnFrameDelete (false);
 334
 335 #ifdef DCPOMATIC_GROK
 336                 grk_plugin::setMessengerLogger(new grk_plugin::GrokLogger("[GROK] "));
 337                 setup_grok_library_path();
 338 #endif
 339
 340                 return true;
 341         }
 342
 343         int OnExit () override
 344         {
 345                 delete _icon;
 346                 return wxApp::OnExit ();
 347         }
 348
 349         void main_thread ()
 350         try {
 351                 EncodeServer server (false, Config::instance()->server_encoding_threads());
 352                 server.run ();
 353         } catch (...) {
 354                 store_current ();
 355         }
 356
 357         void check ()
 358         {
 359                 try {
 360                         rethrow ();
 361                 } catch (exception& e) {
 362                         error_dialog (nullptr, std_to_wx(e.what()));
 363                         wxTheApp->ExitMainLoop ();
 364                 } catch (...) {
 365                         error_dialog (nullptr, _("An unknown error has occurred with the DCP-o-matic server."));
 366                         wxTheApp->ExitMainLoop ();
 367                 }
 368         }
 369
 370         void idle ()
 371         {
 372                 signal_manager->ui_idle ();
 373         }
 374
 375         void config_failed_to_load(Config::LoadFailure what)
 376         {
 377                 report_config_load_failure(nullptr, what);
 378         }
 379
 380         void config_warning (string m)
 381         {
 382                 message_dialog (nullptr, std_to_wx(m));
 383         }
 384
 385         boost::thread _thread;
 386         TaskBarIcon* _icon = nullptr;
 387         shared_ptr<wxTimer> _timer;
 388 };
 389
 390 IMPLEMENT_APP (App)