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