src/tools/dcpomatic_server_cli.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 "lib/config.h"
  22 #include "lib/dcp_video.h"
  23 #include "lib/exceptions.h"
  24 #include "lib/util.h"
  25 #include "lib/config.h"
  26 #include "lib/image.h"
  27 #include "lib/file_log.h"
  28 #ifdef DCPOMATIC_GROK
  29 #include "lib/grok/context.h"
  30 #endif
  31 #include "lib/null_log.h"
  32 #include "lib/version.h"
  33 #include "lib/encode_server.h"
  34 #include "lib/dcpomatic_log.h"
  35 #include <boost/array.hpp>
  36 #include <boost/asio.hpp>
  37 #include <boost/algorithm/string.hpp>
  38 #include <boost/thread.hpp>
  39 #include <boost/thread/mutex.hpp>
  40 #include <boost/thread/condition.hpp>
  41 #include <unistd.h>
  42 #include <errno.h>
  43 #include <getopt.h>
  44 #include <iostream>
  45 #include <stdexcept>
  46 #include <cstring>
  47 #include <vector>
  48
  49 using std::cerr;
  50 using std::string;
  51 using std::cout;
  52 using std::shared_ptr;
  53
  54 static void
  55 help (string n)
  56 {
  57         cerr << "Syntax: " << n << " [OPTION]\n"
  58              << "  -v, --version      show DCP-o-matic version\n"
  59              << "  -h, --help         show this help\n"
  60              << "  -t, --threads      number of parallel encoding threads to use\n"
  61              << "  --verbose          be verbose to stdout\n"
  62              << "  --log              write a log file of activity\n";
  63 }
  64
  65 int
  66 main (int argc, char* argv[])
  67 {
  68         dcpomatic_setup_path_encoding ();
  69         dcpomatic_setup ();
  70
  71         int num_threads = Config::instance()->server_encoding_threads ();
  72         bool verbose = false;
  73         bool write_log = false;
  74
  75         int option_index = 0;
  76         while (true) {
  77                 static struct option long_options[] = {
  78                         { "version", no_argument, 0, 'v'},
  79                         { "help", no_argument, 0, 'h'},
  80                         { "threads", required_argument, 0, 't'},
  81                         { "verbose", no_argument, 0, 'A'},
  82                         { "log", no_argument, 0, 'B'},
  83                         { 0, 0, 0, 0 }
  84                 };
  85
  86                 int c = getopt_long (argc, argv, "vht:AB", long_options, &option_index);
  87
  88                 if (c == -1) {
  89                         break;
  90                 }
  91
  92                 switch (c) {
  93                 case 'v':
  94                         cout << "dcpomatic version " << dcpomatic_version << " " << dcpomatic_git_commit << "\n";
  95                         exit (EXIT_SUCCESS);
  96                 case 'h':
  97                         help (argv[0]);
  98                         exit (EXIT_SUCCESS);
  99                 case 't':
 100                         num_threads = atoi (optarg);
 101                         break;
 102                 case 'A':
 103                         verbose = true;
 104                         break;
 105                 case 'B':
 106                         write_log = true;
 107                         break;
 108                 }
 109         }
 110
 111         if (write_log) {
 112                 dcpomatic_log.reset (new FileLog("dcpomatic_server_cli.log"));
 113         }
 114
 115 #ifdef DCPOMATIC_GROK
 116         setMessengerLogger(new grk_plugin::GrokLogger("[GROK] "));
 117         setup_grok_library_path();
 118 #endif
 119
 120         EncodeServer server (verbose, num_threads);
 121
 122         try {
 123                 server.run ();
 124         } catch (boost::system::system_error& e) {
 125                 if (e.code() == boost::system::errc::address_in_use) {
 126                         cerr << argv[0] << ": address already in use.  Is another DCP-o-matic server instance already running?\n";
 127                         exit (EXIT_FAILURE);
 128                 }
 129                 cerr << argv[0] << ": " << e.what() << "\n";
 130         } catch (std::exception& e) {
 131                 cerr << argv[0] << ": failed to start server; " << e.what() << "\n";
 132         }
 133         return 0;
 134 }