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