examples/make_torrent.cpp

   1 /*
   2
   3 Copyright (c) 2006, Arvid Norberg
   4 All rights reserved.
   5
   6 Redistribution and use in source and binary forms, with or without
   7 modification, are permitted provided that the following conditions
   8 are met:
   9
  10     * Redistributions of source code must retain the above copyright
  11       notice, this list of conditions and the following disclaimer.
  12     * Redistributions in binary form must reproduce the above copyright
  13       notice, this list of conditions and the following disclaimer in
  14       the documentation and/or other materials provided with the distribution.
  15     * Neither the name of the author nor the names of its
  16       contributors may be used to endorse or promote products derived
  17       from this software without specific prior written permission.
  18
  19 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
  20 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  21 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  22 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
  23 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
  24 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
  25 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  26 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
  27 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  28 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
  29 POSSIBILITY OF SUCH DAMAGE.
  30
  31 */
  32
  33 #include <iostream>
  34 #include <fstream>
  35 #include <iterator>
  36 #include <iomanip>
  37
  38 #include "libtorrent/entry.hpp"
  39 #include "libtorrent/bencode.hpp"
  40 #include "libtorrent/torrent_info.hpp"
  41 #include "libtorrent/file.hpp"
  42 #include "libtorrent/storage.hpp"
  43 #include "libtorrent/hasher.hpp"
  44 #include "libtorrent/create_torrent.hpp"
  45
  46 #include <boost/filesystem/operations.hpp>
  47 #include <boost/filesystem/path.hpp>
  48 #include <boost/filesystem/fstream.hpp>
  49 #include <boost/bind.hpp>
  50
  51 using namespace boost::filesystem;
  52 using namespace libtorrent;
  53
  54 // do not include files and folders whose
  55 // name starts with a .
  56 bool file_filter(boost::filesystem::path const& filename)
  57 {
  58         if (filename.leaf()[0] == '.') return false;
  59         std::cerr << filename << std::endl;
  60         return true;
  61 }
  62
  63 void print_progress(int i, int num)
  64 {
  65         std::cerr << "\r" << (i+1) << "/" << num;
  66 }
  67
  68 int main(int argc, char* argv[])
  69 {
  70         using namespace libtorrent;
  71         using namespace boost::filesystem;
  72
  73         int piece_size = 256 * 1024;
  74         char const* creator_str = "libtorrent";
  75
  76         path::default_name_check(no_check);
  77
  78         if (argc != 4 && argc != 5)
  79         {
  80                 std::cerr << "usage: make_torrent <output torrent-file> "
  81                         "<announce url> <file or directory to create torrent from> "
  82                         "[url-seed]\n";
  83                 return 1;
  84         }
  85
  86 #ifndef BOOST_NO_EXCEPTIONS
  87         try
  88         {
  89 #endif
  90                 file_storage fs;
  91                 file_pool fp;
  92                 path full_path = complete(path(argv[3]));
  93
  94                 add_files(fs, full_path, file_filter);
  95
  96                 create_torrent t(fs, piece_size);
  97                 t.add_tracker(argv[2]);
  98                 set_piece_hashes(t, full_path.branch_path()
  99                         , boost::bind(&print_progress, _1, t.num_pieces()));
 100                 std::cerr << std::endl;
 101                 t.set_creator(creator_str);
 102
 103                 if (argc == 5) t.add_url_seed(argv[4]);
 104
 105                 // create the torrent and print it to out
 106                 ofstream out(complete(path(argv[1])), std::ios_base::binary);
 107                 bencode(std::ostream_iterator<char>(out), t.generate());
 108 #ifndef BOOST_NO_EXCEPTIONS
 109         }
 110         catch (std::exception& e)
 111         {
 112                 std::cerr << e.what() << "\n";
 113         }
 114 #endif
 115
 116         return 0;
 117 }
 118