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premiere-libtorrent
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clean up some examples

This commit is contained in:
arvidn 2016-09-18 17:14:18 -07:00
parent 30ead81690
commit 93381505d0
2 changed files with 27 additions and 98 deletions
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116
examples/make_torrent.cpp
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@ -42,6 +42,7 @@ POSSIBILITY OF SUCH DAMAGE.
#include "libtorrent/hex.hpp" // for from_hex
#include <boost/bind.hpp>
#include <fstream>
#ifdef TORRENT_WINDOWS
#include <direct.h> // for _getcwd
@ -49,65 +50,18 @@ POSSIBILITY OF SUCH DAMAGE.
using namespace libtorrent;
int load_file(std::string const& filename, std::vector<char>& v, libtorrent::error_code& ec, int limit = 8000000)
std::vector<char> load_file(std::string const& filename)
{
ec.clear();
FILE* f = fopen(filename.c_str(), "rb");
if (f == NULL)
{
ec.assign(errno, boost::system::system_category());
return -1;
}
int r = fseek(f, 0, SEEK_END);
if (r != 0)
{
ec.assign(errno, boost::system::system_category());
fclose(f);
return -1;
}
long s = ftell(f);
if (s < 0)
{
ec.assign(errno, boost::system::system_category());
fclose(f);
return -1;
}
if (s > limit)
{
fclose(f);
return -2;
}
r = fseek(f, 0, SEEK_SET);
if (r != 0)
{
ec.assign(errno, boost::system::system_category());
fclose(f);
return -1;
}
v.resize(s);
if (s == 0)
{
fclose(f);
return 0;
}
r = fread(&v[0], 1, v.size(), f);
if (r < 0)
{
ec.assign(errno, boost::system::system_category());
fclose(f);
return -1;
}
fclose(f);
if (r != s) return -3;
return 0;
std::vector<char> ret;
std::fstream in;
in.exceptions(std::ifstream::failbit);
in.open(filename.c_str(), std::ios_base::in | std::ios_base::binary);
in.seekg(0, std::ios_base::end);
size_t const size = in.tellg();
in.seekg(0, std::ios_base::beg);
ret.resize(size);
in.read(ret.data(), ret.size());
return ret;
}
std::string branch_path(std::string const& f)
@ -383,51 +337,31 @@ int main(int argc, char* argv[])
if (!root_cert.empty())
{
std::vector<char> pem;
load_file(root_cert, pem, ec, 10000);
if (ec)
{
fprintf(stderr, "failed to load root certificate for tracker: %s\n", ec.message().c_str());
}
else
{
std::vector<char> pem = load_file(root_cert);
t.set_root_cert(std::string(&pem[0], pem.size()));
}
}
// create the torrent and print it to stdout
std::vector<char> torrent;
bencode(back_inserter(torrent), t.generate());
FILE* output = stdout;
if (!outfile.empty())
output = fopen(outfile.c_str(), "wb+");
if (output == NULL)
{
fprintf(stderr, "failed to open file \"%s\": (%d) %s\n"
, outfile.c_str(), errno, strerror(errno));
return 1;
std::fstream out;
out.exceptions(std::ifstream::failbit);
out.open(outfile.c_str(), std::ios_base::out | std::ios_base::binary);
out.write(&torrent[0], torrent.size());
}
else
{
fwrite(&torrent[0], 1, torrent.size(), stdout);
}
fwrite(&torrent[0], 1, torrent.size(), output);
if (output != stdout)
fclose(output);
if (!merklefile.empty())
{
output = fopen(merklefile.c_str(), "wb+");
if (output == NULL)
{
fprintf(stderr, "failed to open file \"%s\": (%d) %s\n"
, merklefile.c_str(), errno, strerror(errno));
return 1;
}
int ret = fwrite(&t.merkle_tree()[0], 20, t.merkle_tree().size(), output);
if (ret != int(t.merkle_tree().size()))
{
fprintf(stderr, "failed to write %s: (%d) %s\n"
, merklefile.c_str(), errno, strerror(errno));
}
fclose(output);
std::fstream merkle;
merkle.exceptions(std::ifstream::failbit);
merkle.open(merklefile.c_str(), std::ios_base::out | std::ios_base::binary);
merkle.write(reinterpret_cast<char const*>(&t.merkle_tree()[0]), t.merkle_tree().size() * 20);
}
#ifndef BOOST_NO_EXCEPTIONS

7
examples/simple_client.cpp
View File

@ -52,14 +52,9 @@ int main(int argc, char* argv[])
settings_pack sett;
sett.set_str(settings_pack::listen_interfaces, "0.0.0.0:6881");
lt::session s(sett);
error_code ec;
if (ec)
{
fprintf(stderr, "failed to open listen socket: %s\n", ec.message().c_str());
return 1;
}
add_torrent_params p;
p.save_path = "./";
error_code ec;
p.ti = boost::make_shared<torrent_info>(std::string(argv[1]), boost::ref(ec), 0);
if (ec)
{