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replaced iostream in dump_torrent example

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This commit is contained in:
Arvid Norberg
2009-12-09 07:10:49 +00:00
parent e5e1bca254
commit 9f733a7eac
1 changed files with 42 additions and 39 deletions
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81
examples/dump_torrent.cpp
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@@ -30,101 +30,104 @@ POSSIBILITY OF SUCH DAMAGE.
*/ */
#include <iostream>
#include <fstream>
#include <iterator>
#include <iomanip>
#include "libtorrent/entry.hpp" #include "libtorrent/entry.hpp"
#include "libtorrent/bencode.hpp" #include "libtorrent/bencode.hpp"
#include "libtorrent/torrent_info.hpp" #include "libtorrent/torrent_info.hpp"
#include "libtorrent/lazy_entry.hpp" #include "libtorrent/lazy_entry.hpp"
#include "libtorrent/magnet_uri.hpp" #include "libtorrent/magnet_uri.hpp"
int main(int argc, char* argv[]) int main(int argc, char* argv[])
{ {
using namespace libtorrent; using namespace libtorrent;
if (argc != 2) if (argc != 2)
{ {
std::cerr << "usage: dump_torrent torrent-file\n"; fputs("usage: dump_torrent torrent-file\n", stderr);
return 1; return 1;
} }
int size = file_size(argv[1]); int size = file_size(argv[1]);
if (size > 10 * 1000000) if (size > 10 * 1000000)
{ {
std::cerr << "file too big (" << size << "), aborting\n"; fprintf(stderr, "file too big (%d), aborting\n", size);
return 1; return 1;
} }
std::vector<char> buf(size); std::vector<char> buf(size);
std::ifstream(argv[1], std::ios_base::binary).read(&buf[0], size); int ret = load_file(argv[1], buf);
if (ret != 0)
{
fprintf(stderr, "failed to load file: %d\n", ret);
return 1;
}
lazy_entry e; lazy_entry e;
int ret = lazy_bdecode(&buf[0], &buf[0] + buf.size(), e); ret = lazy_bdecode(&buf[0], &buf[0] + buf.size(), e);
if (ret != 0) if (ret != 0)
{ {
std::cerr << "invalid bencoding: " << ret << std::endl; fprintf(stderr, "invalid bencoding: %d\n", ret);
return 1; return 1;
} }
std::cout << "\n\n----- raw info -----\n\n"; printf("\n\n----- raw info -----\n\n%s\n", print_entry(e).c_str());
std::cout << print_entry(e) << std::endl;
error_code ec; error_code ec;
torrent_info t(e, ec); torrent_info t(e, ec);
if (ec) if (ec)
{ {
std::cout << ec.message() << std::endl; fprintf(stderr, "%s\n", ec.message().c_str());
return 1; return 1;
} }
// print info about torrent // print info about torrent
std::cout << "\n\n----- torrent file info -----\n\n"; printf("\n\n----- torrent file info -----\n\n"
std::cout << "nodes:\n"; "nodes:\n");
typedef std::vector<std::pair<std::string, int> > node_vec; typedef std::vector<std::pair<std::string, int> > node_vec;
node_vec const& nodes = t.nodes(); node_vec const& nodes = t.nodes();
for (node_vec::const_iterator i = nodes.begin(), end(nodes.end()); for (node_vec::const_iterator i = nodes.begin(), end(nodes.end());
i != end; ++i) i != end; ++i)
{ {
std::cout << i->first << ":" << i->second << "\n"; printf("%s: %d\n", i->first.c_str(), i->second);
} }
std::cout << "trackers:\n"; puts("trackers:\n");
for (std::vector<announce_entry>::const_iterator i = t.trackers().begin(); for (std::vector<announce_entry>::const_iterator i = t.trackers().begin();
i != t.trackers().end(); ++i) i != t.trackers().end(); ++i)
{ {
std::cout << i->tier << ": " << i->url << "\n"; printf("%2d: %s\n", i->tier, i->url.c_str());
} }
std::cout << "number of pieces: " << t.num_pieces() << "\n";
std::cout << "piece length: " << t.piece_length() << "\n";
char ih[41]; char ih[41];
to_hex((char const*)&t.info_hash()[0], 20, ih); to_hex((char const*)&t.info_hash()[0], 20, ih);
std::cout << "info hash: " << ih << "\n"; printf("number of pieces: %d\n"
std::cout << "comment: " << t.comment() << "\n"; "piece length: %d\n"
std::cout << "created by: " << t.creator() << "\n"; "info hash: %s\n"
std::cout << "magnet link: " << make_magnet_uri(t) << "\n"; "comment: %s\n"
std::cout << "name: " << t.name() << "\n"; "created by: %s\n"
std::cout << "files:\n"; "magnet link: %s\n"
"name: %s\n"
"files:\n"
, t.num_pieces()
, t.piece_length()
, ih
, t.comment().c_str()
, t.creator().c_str()
, make_magnet_uri(t).c_str()
, t.name().c_str());
int index = 0; int index = 0;
for (torrent_info::file_iterator i = t.begin_files(); for (torrent_info::file_iterator i = t.begin_files();
i != t.end_files(); ++i, ++index) i != t.end_files(); ++i, ++index)
{ {
int first = t.map_file(index, 0, 0).piece; int first = t.map_file(index, 0, 0).piece;
int last = t.map_file(index, (std::max)(i->size-1, size_type(0)), 0).piece; int last = t.map_file(index, (std::max)(i->size-1, size_type(0)), 0).piece;
std::cout << " " << std::setw(11) << i->size printf(" %11"PRId64" %c%c%c%c [ %4d, %4d ] %s %s%s\n"
<< " " , i->size
<< (i->pad_file?'p':'-') , (i->pad_file?'p':'-')
<< (i->executable_attribute?'x':'-') , (i->executable_attribute?'x':'-')
<< (i->hidden_attribute?'h':'-') , (i->hidden_attribute?'h':'-')
<< (i->symlink_attribute?'l':'-') , (i->symlink_attribute?'l':'-')
<< " " , first, last, i->path.c_str()
<< "[ " << std::setw(4) << first << ", " << std::setw(4) << last << " ]\t" , i->symlink_attribute ? "-> ": ""
<< i->path; , i->symlink_attribute ? i->symlink_path.c_str() : "");
if (i->symlink_attribute)
std::cout << " -> " << i->symlink_path;
std::cout << std::endl;
} }
return 0; return 0;