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premiere-libtorrent
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more asserts in piece_picker to validate peer pointers

This commit is contained in:
Arvid Norberg 2012-04-12 17:10:22 +00:00
parent 48b85ba586
commit de07505464
2 changed files with 41 additions and 17 deletions
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23
src/piece_picker.cpp
View File

@ -47,6 +47,7 @@ POSSIBILITY OF SUCH DAMAGE.
#ifdef TORRENT_DEBUG
#include "libtorrent/peer_connection.hpp"
#include "libtorrent/torrent.hpp"
#include "libtorrent/policy.hpp" // for policy::peer
#endif
#include "libtorrent/invariant_check.hpp"
@ -308,6 +309,7 @@ namespace libtorrent
for (int k = 0; k < num_blocks; ++k)
{
TORRENT_ASSERT(i->info[k].piece_index == i->index);
TORRENT_ASSERT(i->info[k].peer == 0 || static_cast<policy::peer*>(i->info[k].peer)->in_use);
if (i->info[k].state == block_info::state_finished)
{
++num_finished;
@ -1372,6 +1374,8 @@ namespace libtorrent
, int options, std::vector<int> const& suggested_pieces
, int num_peers) const
{
TORRENT_ASSERT(peer == 0 || static_cast<policy::peer*>(peer)->in_use);
// prevent the number of partial pieces to grow indefinitely
// make this scale by the number of peers we have. For large
// scale clients, we would have more peers, and allow a higher
@ -1618,6 +1622,7 @@ namespace libtorrent
for (int j = 0; j < num_blocks_in_piece; ++j)
{
block_info const& info = i->info[j];
TORRENT_ASSERT(info.peer == 0 || static_cast<policy::peer*>(info.peer)->in_use);
TORRENT_ASSERT(info.piece_index == i->index);
if (info.state != block_info::state_requested
|| info.peer == peer)
@ -1744,7 +1749,10 @@ namespace libtorrent
{
for (std::vector<block_info>::iterator i = m_block_info.begin()
, end(m_block_info.end()); i != end; ++i)
{
TORRENT_ASSERT(i->peer == 0 || static_cast<policy::peer*>(i->peer)->in_use);
if (i->peer == peer) i->peer = 0;
}
}
namespace
@ -1761,6 +1769,7 @@ namespace libtorrent
for (int j = 0; j < num_blocks_in_piece; ++j)
{
piece_picker::block_info const& info = p.info[j];
TORRENT_ASSERT(info.peer == 0 || static_cast<policy::peer*>(info.peer)->in_use);
TORRENT_ASSERT(info.piece_index == p.index);
if (info.state != piece_picker::block_info::state_none
&& info.peer != peer)
@ -2081,6 +2090,7 @@ namespace libtorrent
bool piece_picker::mark_as_downloading(piece_block block
, void* peer, piece_state_t state)
{
TORRENT_ASSERT(peer == 0 || static_cast<policy::peer*>(peer)->in_use);
TORRENT_ASSERT(state != piece_picker::none);
TORRENT_ASSERT(block.piece_index >= 0);
TORRENT_ASSERT(block.block_index >= 0);
@ -2174,6 +2184,8 @@ namespace libtorrent
TORRENT_PIECE_PICKER_INVARIANT_CHECK;
#endif
TORRENT_ASSERT(peer == 0 || static_cast<policy::peer*>(peer)->in_use);
TORRENT_ASSERT(block.piece_index >= 0);
TORRENT_ASSERT(block.block_index >= 0);
TORRENT_ASSERT(block.piece_index < m_piece_map.size());
@ -2286,6 +2298,7 @@ namespace libtorrent
void piece_picker::mark_as_finished(piece_block block, void* peer)
{
TORRENT_ASSERT(peer == 0 || static_cast<policy::peer*>(peer)->in_use);
TORRENT_ASSERT(block.piece_index >= 0);
TORRENT_ASSERT(block.block_index >= 0);
TORRENT_ASSERT(block.piece_index < m_piece_map.size());
@ -2365,6 +2378,7 @@ namespace libtorrent
d.clear();
for (int j = 0, end(blocks_in_piece(index)); j != end; ++j)
{
TORRENT_ASSERT(i->info[j].peer == 0 || static_cast<policy::peer*>(i->info[j].peer)->in_use);
d.push_back(i->info[j].peer);
}
}
@ -2381,7 +2395,9 @@ namespace libtorrent
if (i->info[block.block_index].state == block_info::state_none)
return 0;
return i->info[block.block_index].peer;
void* peer = i->info[block.block_index].peer;
TORRENT_ASSERT(peer == 0 || static_cast<policy::peer*>(peer)->in_use);
return peer;
}
// this is called when a request is rejected or when
@ -2392,6 +2408,8 @@ namespace libtorrent
TORRENT_PIECE_PICKER_INVARIANT_CHECK;
#endif
TORRENT_ASSERT(peer == 0 || static_cast<policy::peer*>(peer)->in_use);
TORRENT_ASSERT(block.piece_index >= 0);
TORRENT_ASSERT(block.block_index >= 0);
TORRENT_ASSERT(block.piece_index < m_piece_map.size());
@ -2407,6 +2425,7 @@ namespace libtorrent
TORRENT_ASSERT(i != m_downloads.end());
block_info& info = i->info[block.block_index];
TORRENT_ASSERT(info.peer == 0 || static_cast<policy::peer*>(info.peer)->in_use);
TORRENT_ASSERT(info.piece_index == block.piece_index);
TORRENT_ASSERT(info.state != block_info::state_none);
@ -2434,7 +2453,7 @@ namespace libtorrent
info.state = block_info::state_none;
--i->requested;
update_full(*i);
}
}
// if there are no other blocks in this piece
// that's being downloaded, remove it from the list

35
test/test_piece_picker.cpp
View File

@ -221,13 +221,18 @@ int test_pick(boost::shared_ptr<piece_picker> const& p, int options = piece_pick
int test_main()
{
int tmp1;
int tmp2;
int tmp3;
tcp::endpoint endp;
piece_picker::downloading_piece st;
policy::ipv4_peer tmp1(endp, false, 0);
policy::ipv4_peer tmp2(endp, false, 0);
policy::ipv4_peer tmp3(endp, false, 0);
policy::ipv4_peer peer_struct(endp, true, 0);
#if defined TORRENT_DEBUG || TORRENT_RELEASE_ASSERTS
tmp1.in_use = true;
tmp2.in_use = true;
tmp3.in_use = true;
peer_struct.in_use = true;
#endif
std::vector<piece_block> picked;
boost::shared_ptr<piece_picker> p;
const std::vector<int> empty_vector;
@ -303,23 +308,23 @@ int test_main()
TEST_CHECK(p->is_requested(piece_block(0, 0)) == false);
TEST_CHECK(std::find(picked.begin(), picked.end(), piece_block(0,0)) != picked.end());
p->mark_as_downloading(piece_block(0, 2), (void*)1337, piece_picker::fast);
p->mark_as_writing(piece_block(0, 2), (void*)1337);
p->abort_download(piece_block(0, 2), (void*)1337);
p->mark_as_downloading(piece_block(0, 2), (void*)7, piece_picker::fast);
p->mark_as_writing(piece_block(0, 2), (void*)7);
p->mark_as_downloading(piece_block(0, 2), &tmp1, piece_picker::fast);
p->mark_as_writing(piece_block(0, 2), &tmp1);
p->abort_download(piece_block(0, 2), &tmp1);
p->mark_as_downloading(piece_block(0, 2), &tmp2, piece_picker::fast);
p->mark_as_writing(piece_block(0, 2), &tmp2);
std::vector<void*> d;
p->get_downloaders(d, 0);
TEST_CHECK(d[2] == (void*)7);
TEST_CHECK(d[2] == &tmp2);
p->mark_as_downloading(piece_block(0, 3), (void*)1337, piece_picker::fast);
p->abort_download(piece_block(0, 3), (void*)1337);
p->mark_as_downloading(piece_block(0, 3), (void*)7, piece_picker::fast);
p->mark_as_writing(piece_block(0, 3), (void*)7);
p->mark_as_downloading(piece_block(0, 3), &tmp1, piece_picker::fast);
p->abort_download(piece_block(0, 3), &tmp1);
p->mark_as_downloading(piece_block(0, 3), &tmp2, piece_picker::fast);
p->mark_as_writing(piece_block(0, 3), &tmp2);
p->get_downloaders(d, 0);
TEST_CHECK(d[3] == (void*)7);
TEST_CHECK(d[3] == &tmp2);
// ========================================================