src/tools/dcpomatic_server_cli.cc

   1 /*
   2     Copyright (C) 2012-2015 Carl Hetherington <cth@carlh.net>
   3
   4     This program is free software; you can redistribute it and/or modify
   5     it under the terms of the GNU General Public License as published by
   6     the Free Software Foundation; either version 2 of the License, or
   7     (at your option) any later version.
   8
   9     This program is distributed in the hope that it will be useful,
  10     but WITHOUT ANY WARRANTY; without even the implied warranty of
  11     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12     GNU General Public License for more details.
  13
  14     You should have received a copy of the GNU General Public License
  15     along with this program; if not, write to the Free Software
  16     Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  17
  18 */
  19
  20 #include "lib/config.h"
  21 #include "lib/dcp_video.h"
  22 #include "lib/exceptions.h"
  23 #include "lib/util.h"
  24 #include "lib/config.h"
  25 #include "lib/image.h"
  26 #include "lib/file_log.h"
  27 #include "lib/null_log.h"
  28 #include "lib/version.h"
  29 #include "lib/server.h"
  30 #include <boost/array.hpp>
  31 #include <boost/asio.hpp>
  32 #include <boost/algorithm/string.hpp>
  33 #include <boost/thread.hpp>
  34 #include <boost/thread/mutex.hpp>
  35 #include <boost/thread/condition.hpp>
  36 #include <unistd.h>
  37 #include <errno.h>
  38 #include <getopt.h>
  39 #include <iostream>
  40 #include <stdexcept>
  41 #include <cstring>
  42 #include <vector>
  43
  44 using std::cerr;
  45 using std::string;
  46 using std::cout;
  47 using boost::shared_ptr;
  48
  49 static void
  50 help (string n)
  51 {
  52         cerr << "Syntax: " << n << " [OPTION]\n"
  53              << "  -v, --version      show DCP-o-matic version\n"
  54              << "  -h, --help         show this help\n"
  55              << "  -t, --threads      number of parallel encoding threads to use\n"
  56              << "  --verbose          be verbose to stdout\n"
  57              << "  --log              write a log file of activity\n";
  58 }
  59
  60 int
  61 main (int argc, char* argv[])
  62 {
  63         dcpomatic_setup_path_encoding ();
  64         dcpomatic_setup ();
  65
  66         int num_threads = Config::instance()->num_local_encoding_threads ();
  67         bool verbose = false;
  68         bool write_log = false;
  69
  70         int option_index = 0;
  71         while (true) {
  72                 static struct option long_options[] = {
  73                         { "version", no_argument, 0, 'v'},
  74                         { "help", no_argument, 0, 'h'},
  75                         { "threads", required_argument, 0, 't'},
  76                         { "verbose", no_argument, 0, 'A'},
  77                         { "log", no_argument, 0, 'B'},
  78                         { 0, 0, 0, 0 }
  79                 };
  80
  81                 int c = getopt_long (argc, argv, "vht:AB", long_options, &option_index);
  82
  83                 if (c == -1) {
  84                         break;
  85                 }
  86
  87                 switch (c) {
  88                 case 'v':
  89                         cout << "dcpomatic version " << dcpomatic_version << " " << dcpomatic_git_commit << "\n";
  90                         exit (EXIT_SUCCESS);
  91                 case 'h':
  92                         help (argv[0]);
  93                         exit (EXIT_SUCCESS);
  94                 case 't':
  95                         num_threads = atoi (optarg);
  96                         break;
  97                 case 'A':
  98                         verbose = true;
  99                         break;
 100                 case 'B':
 101                         write_log = true;
 102                         break;
 103                 }
 104         }
 105
 106         shared_ptr<Log> log;
 107         if (write_log) {
 108                 log.reset (new FileLog ("dcpomatic_server_cli.log"));
 109         } else {
 110                 log.reset (new NullLog);
 111         }
 112
 113         Server server (log, verbose);
 114
 115         try {
 116                 server.run (num_threads);
 117         } catch (boost::system::system_error& e) {
 118                 if (e.code() == boost::system::errc::address_in_use) {
 119                         cerr << argv[0] << ": address already in use.  Is another DCP-o-matic server instance already running?\n";
 120                         exit (EXIT_FAILURE);
 121                 }
 122                 cerr << argv[0] << ": " << e.what() << "\n";
 123         }
 124         return 0;
 125 }