1112 lines
41 KiB
C++
1112 lines
41 KiB
C++
/*
|
|
|
|
Copyright (c) 2008, Arvid Norberg
|
|
All rights reserved.
|
|
|
|
Redistribution and use in source and binary forms, with or without
|
|
modification, are permitted provided that the following conditions
|
|
are met:
|
|
|
|
* Redistributions of source code must retain the above copyright
|
|
notice, this list of conditions and the following disclaimer.
|
|
* Redistributions in binary form must reproduce the above copyright
|
|
notice, this list of conditions and the following disclaimer in
|
|
the documentation and/or other materials provided with the distribution.
|
|
* Neither the name of the author nor the names of its
|
|
contributors may be used to endorse or promote products derived
|
|
from this software without specific prior written permission.
|
|
|
|
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
|
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
|
|
LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
|
|
CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
|
|
SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
|
|
INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
|
|
CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
|
|
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
|
POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
*/
|
|
|
|
#include "libtorrent/piece_picker.hpp"
|
|
#include "libtorrent/policy.hpp"
|
|
#include "libtorrent/bitfield.hpp"
|
|
#include <boost/shared_ptr.hpp>
|
|
#include <boost/bind.hpp>
|
|
#include <algorithm>
|
|
#include <vector>
|
|
#include <set>
|
|
#include <map>
|
|
#include <iostream>
|
|
|
|
#include "test.hpp"
|
|
|
|
using namespace libtorrent;
|
|
|
|
const int blocks_per_piece = 4;
|
|
|
|
bitfield string2vec(char const* have_str)
|
|
{
|
|
const int num_pieces = strlen(have_str);
|
|
bitfield have(num_pieces, false);
|
|
for (int i = 0; i < num_pieces; ++i)
|
|
if (have_str[i] != ' ') have.set_bit(i);
|
|
return have;
|
|
}
|
|
|
|
// availability is a string where each character is the
|
|
// availability of that piece, '1', '2' etc.
|
|
// have_str is a string where each character represents a
|
|
// piece, ' ' means we don't have the piece and any other
|
|
// character means we have it
|
|
boost::shared_ptr<piece_picker> setup_picker(
|
|
char const* availability
|
|
, char const* have_str
|
|
, char const* priority
|
|
, char const* partial)
|
|
{
|
|
const int num_pieces = strlen(availability);
|
|
assert(int(strlen(have_str)) == num_pieces);
|
|
|
|
boost::shared_ptr<piece_picker> p(new piece_picker);
|
|
p->init(blocks_per_piece, blocks_per_piece, num_pieces);
|
|
|
|
for (int i = 0; i < num_pieces; ++i)
|
|
{
|
|
const int avail = availability[i] - '0';
|
|
assert(avail >= 0);
|
|
|
|
for (int j = 0; j < avail; ++j) p->inc_refcount(i);
|
|
}
|
|
|
|
bitfield have = string2vec(have_str);
|
|
|
|
for (int i = 0; i < num_pieces; ++i)
|
|
{
|
|
if (partial[i] == 0) break;
|
|
|
|
if (partial[i] == ' ') continue;
|
|
|
|
int blocks = 0;
|
|
if (partial[i] >= '0' && partial[i] <= '9')
|
|
blocks = partial[i] - '0';
|
|
else
|
|
blocks = partial[i] - 'a' + 10;
|
|
|
|
int counter = 0;
|
|
for (int j = 0; j < 4; ++j)
|
|
{
|
|
TEST_CHECK(!p->is_finished(piece_block(i, j)));
|
|
if ((blocks & (1 << j)) == 0) continue;
|
|
++counter;
|
|
bool ret = p->mark_as_downloading(piece_block(i, j), 0, piece_picker::slow);
|
|
TEST_CHECK(ret == true);
|
|
TEST_CHECK(p->is_requested(piece_block(i, j)) == bool(blocks & (1 << j)));
|
|
p->mark_as_writing(piece_block(i, j), 0);
|
|
TEST_CHECK(!p->is_finished(piece_block(i, j)));
|
|
// trying to mark a block as requested after it has been completed
|
|
// should fail (return false)
|
|
ret = p->mark_as_downloading(piece_block(i, j), 0, piece_picker::slow);
|
|
TEST_CHECK(ret == false);
|
|
p->mark_as_finished(piece_block(i, j), 0);
|
|
|
|
TEST_CHECK(p->is_downloaded(piece_block(i, j)) == bool(blocks & (1 << j)));
|
|
TEST_CHECK(p->is_finished(piece_block(i, j)) == bool(blocks & (1 << j)));
|
|
}
|
|
|
|
piece_picker::downloading_piece st;
|
|
p->piece_info(i, st);
|
|
TEST_CHECK(st.writing == 0);
|
|
TEST_CHECK(st.requested == 0);
|
|
TEST_CHECK(st.index == i);
|
|
|
|
TEST_CHECK(st.finished == counter);
|
|
TEST_CHECK(st.finished + st.requested + st.writing == counter);
|
|
|
|
TEST_CHECK(p->is_piece_finished(i) == (counter == 4));
|
|
}
|
|
|
|
for (int i = 0; i < num_pieces; ++i)
|
|
{
|
|
if (priority[i] == 0) break;
|
|
const int prio = priority[i] - '0';
|
|
assert(prio >= 0);
|
|
p->set_piece_priority(i, prio);
|
|
|
|
TEST_CHECK(p->piece_priority(i) == prio);
|
|
}
|
|
|
|
for (int i = 0; i < num_pieces; ++i)
|
|
{
|
|
if (!have[i]) continue;
|
|
p->we_have(i);
|
|
for (int j = 0; j < blocks_per_piece; ++j)
|
|
TEST_CHECK(p->is_finished(piece_block(i, j)));
|
|
}
|
|
|
|
std::vector<int> availability_vec;
|
|
p->get_availability(availability_vec);
|
|
for (int i = 0; i < num_pieces; ++i)
|
|
{
|
|
const int avail = availability[i] - '0';
|
|
assert(avail >= 0);
|
|
TEST_CHECK(avail == availability_vec[i]);
|
|
}
|
|
|
|
#ifdef TORRENT_DEBUG
|
|
p->check_invariant();
|
|
#endif
|
|
return p;
|
|
}
|
|
|
|
bool verify_pick(boost::shared_ptr<piece_picker> p
|
|
, std::vector<piece_block> const& picked, bool allow_multi_blocks = false)
|
|
{
|
|
#ifdef TORRENT_DEBUG
|
|
p->check_invariant();
|
|
#endif
|
|
if (!allow_multi_blocks)
|
|
{
|
|
for (std::vector<piece_block>::const_iterator i = picked.begin()
|
|
, end(picked.end()); i != end; ++i)
|
|
{
|
|
if (p->num_peers(*i) > 0) return false;
|
|
}
|
|
}
|
|
|
|
// make sure there are no duplicated
|
|
std::set<piece_block> blocks;
|
|
std::copy(picked.begin(), picked.end()
|
|
, std::insert_iterator<std::set<piece_block> >(blocks, blocks.end()));
|
|
std::cerr << " verify: " << picked.size() << " " << blocks.size() << std::endl;
|
|
return picked.size() == blocks.size();
|
|
}
|
|
|
|
void print_pick(std::vector<piece_block> const& picked)
|
|
{
|
|
for (int i = 0; i < int(picked.size()); ++i)
|
|
{
|
|
std::cout << "(" << picked[i].piece_index << ", " << picked[i].block_index << ") ";
|
|
}
|
|
std::cout << std::endl;
|
|
}
|
|
|
|
void print_title(char const* name)
|
|
{
|
|
std::cerr << "==== " << name << " ====\n";
|
|
}
|
|
|
|
std::vector<piece_block> pick_pieces(boost::shared_ptr<piece_picker> const& p, char const* availability
|
|
, int num_blocks, int prefer_whole_pieces, void* peer_struct, piece_picker::piece_state_t state
|
|
, int options, std::vector<int> const& suggested_pieces)
|
|
{
|
|
std::vector<piece_block> picked;
|
|
p->pick_pieces(string2vec(availability), picked, num_blocks, prefer_whole_pieces, peer_struct
|
|
, state, options, suggested_pieces, 20);
|
|
print_pick(picked);
|
|
TEST_CHECK(verify_pick(p, picked));
|
|
return picked;
|
|
}
|
|
|
|
int test_pick(boost::shared_ptr<piece_picker> const& p, int options = piece_picker::rarest_first)
|
|
{
|
|
const std::vector<int> empty_vector;
|
|
std::vector<piece_block> picked = pick_pieces(p, "*******", 1, 0, 0
|
|
, piece_picker::fast, options, empty_vector);
|
|
if (picked.empty()) return -1;
|
|
return picked[0].piece_index;
|
|
}
|
|
|
|
int test_main()
|
|
{
|
|
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;
|
|
int options = piece_picker::rarest_first;
|
|
|
|
// ========================================================
|
|
|
|
// test abort_download
|
|
print_title("test abort_download");
|
|
p = setup_picker("1111111", " ", "7110000", "");
|
|
picked = pick_pieces(p, "*******", blocks_per_piece, 0, 0, piece_picker::fast
|
|
, options, empty_vector);
|
|
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->abort_download(piece_block(piece_block(0,0)));
|
|
picked = pick_pieces(p, "*******", blocks_per_piece, 0, 0, piece_picker::fast
|
|
, options, empty_vector);
|
|
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(0,0), &tmp1, piece_picker::fast);
|
|
picked = pick_pieces(p, "*******", blocks_per_piece, 0, 0, piece_picker::fast
|
|
, options, empty_vector);
|
|
TEST_CHECK(p->is_requested(piece_block(0, 0)) == true);
|
|
TEST_CHECK(std::find(picked.begin(), picked.end(), piece_block(0,0)) == picked.end());
|
|
|
|
p->abort_download(piece_block(0,0));
|
|
picked = pick_pieces(p, "*******", blocks_per_piece, 0, 0, piece_picker::fast
|
|
, options, empty_vector);
|
|
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(0,0), &tmp1, piece_picker::fast);
|
|
p->mark_as_downloading(piece_block(0,1), &tmp1, piece_picker::fast);
|
|
p->abort_download(piece_block(0,0));
|
|
picked = pick_pieces(p, "*******", blocks_per_piece, 0, 0, piece_picker::fast
|
|
, options, empty_vector);
|
|
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(0,0), &tmp1, piece_picker::fast);
|
|
p->mark_as_writing(piece_block(0,0), &tmp1);
|
|
p->write_failed(piece_block(0,0));
|
|
picked = pick_pieces(p, "*******", blocks_per_piece, 0, 0, piece_picker::fast
|
|
, options, empty_vector);
|
|
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(0,0), &tmp1, piece_picker::fast);
|
|
p->mark_as_writing(piece_block(0,0), &tmp1);
|
|
p->mark_as_finished(piece_block(0,0), &tmp1);
|
|
p->abort_download(piece_block(0,0));
|
|
picked = pick_pieces(p, "*******", blocks_per_piece, 0, 0, piece_picker::fast
|
|
, options, empty_vector);
|
|
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 = setup_picker("1111111", " ", "7110000", "");
|
|
p->mark_as_downloading(piece_block(0,0), &tmp1, piece_picker::fast);
|
|
p->mark_as_finished(piece_block(0,1), 0);
|
|
p->piece_info(0, st);
|
|
TEST_CHECK(st.requested == 1);
|
|
TEST_CHECK(st.finished == 1);
|
|
TEST_CHECK(st.state == piece_picker::fast);
|
|
p->abort_download(piece_block(0,0));
|
|
p->piece_info(0, st);
|
|
TEST_CHECK(st.requested == 0);
|
|
TEST_CHECK(st.finished == 1);
|
|
TEST_CHECK(st.state == piece_picker::none);
|
|
picked = pick_pieces(p, "*******", blocks_per_piece, 0, 0, piece_picker::fast
|
|
, options, empty_vector);
|
|
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), &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] == &tmp2);
|
|
|
|
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] == &tmp2);
|
|
|
|
// ========================================================
|
|
|
|
// make sure the block that is picked is from piece 1, since it
|
|
// it is the piece with the lowest availability
|
|
print_title("test pick lowest availability");
|
|
p = setup_picker("2223333", "* * * ", "", "");
|
|
TEST_CHECK(test_pick(p) == 1);
|
|
|
|
// ========================================================
|
|
|
|
// make sure pieces with equal priority and availability
|
|
// are picked at random
|
|
print_title("test random pick at same priority");
|
|
std::map<int, int> random_prio_pieces;
|
|
for (int i = 0; i < 100; ++i)
|
|
{
|
|
p = setup_picker("1111112", " ", "", "");
|
|
++random_prio_pieces[test_pick(p)];
|
|
}
|
|
TEST_CHECK(random_prio_pieces.size() == 6);
|
|
for (std::map<int, int>::iterator i = random_prio_pieces.begin()
|
|
, end(random_prio_pieces.end()); i != end; ++i)
|
|
std::cout << i->first << ": " << i->second << " ";
|
|
std::cout << std::endl;
|
|
|
|
// ========================================================
|
|
|
|
// make sure the block that is picked is from piece 5, since it
|
|
// has the highest priority among the available pieces
|
|
print_title("test pick highest priority");
|
|
p = setup_picker("1111111", "* * * ", "1111121", "");
|
|
TEST_CHECK(test_pick(p) == 5);
|
|
|
|
// ========================================================
|
|
|
|
print_title("test reverse rarest first");
|
|
p = setup_picker("4179253", " ", "", "");
|
|
picked = pick_pieces(p, "*******", 7 * blocks_per_piece, 0, &peer_struct, piece_picker::fast
|
|
, piece_picker::rarest_first | piece_picker::reverse, empty_vector);
|
|
int expected_common_pieces[] = {3, 2, 5, 0, 6, 4, 1};
|
|
for (int i = 0; i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i] == piece_block(expected_common_pieces[i / blocks_per_piece], i % blocks_per_piece));
|
|
|
|
// piece 3 should be prioritized since it's a partial
|
|
p = setup_picker("1122111", " ", "3333333", " 1 ");
|
|
TEST_CHECK(test_pick(p, piece_picker::rarest_first | piece_picker::reverse) == 3);
|
|
|
|
// ========================================================
|
|
|
|
// make sure the 4 blocks are picked from the same piece if
|
|
// whole pieces are preferred. Priority and availability is more
|
|
// important. Piece 1 has the lowest availability even though
|
|
// it is not a whole piece
|
|
print_title("test pick whole pieces");
|
|
p = setup_picker("2212222", " ", "1111111", "1023460");
|
|
picked = pick_pieces(p, "****** ", 1, 1, &peer_struct, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) == 3);
|
|
for (int i = 0; i < blocks_per_piece && i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i].piece_index == 2);
|
|
|
|
p = setup_picker("1111111", " ", "1111111", "");
|
|
picked = pick_pieces(p, "****** ", 1, 1, &peer_struct, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) == blocks_per_piece);
|
|
for (int i = 0; i < blocks_per_piece && i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i].block_index == i);
|
|
|
|
p = setup_picker("2221222", " ", "", "");
|
|
picked = pick_pieces(p, "*******", 1, 7, &peer_struct, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) == 7 * blocks_per_piece);
|
|
for (int i = 0; i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i] == piece_block(i / blocks_per_piece, i % blocks_per_piece));
|
|
|
|
// ========================================================
|
|
|
|
// test the distributed copies function. It should include ourself
|
|
// in the availability. i.e. piece 0 has availability 2.
|
|
// there are 2 pieces with availability 2 and 5 with availability 3
|
|
print_title("test distributed copies");
|
|
p = setup_picker("1233333", "* ", "", "");
|
|
std::pair<int, int> dc = p->distributed_copies();
|
|
TEST_CHECK(dc == std::make_pair(2, 5000 / 7));
|
|
|
|
// ========================================================
|
|
|
|
// make sure filtered pieces are ignored
|
|
print_title("test filtered pieces");
|
|
p = setup_picker("1111111", " ", "0010000", "");
|
|
TEST_CHECK(test_pick(p, piece_picker::rarest_first) == 2);
|
|
TEST_CHECK(test_pick(p, piece_picker::rarest_first | piece_picker::reverse) == 2);
|
|
TEST_CHECK(test_pick(p, piece_picker::sequential) == 2);
|
|
TEST_CHECK(test_pick(p, piece_picker::sequential | piece_picker::reverse) == 2);
|
|
|
|
// ========================================================
|
|
|
|
// make sure we_dont_have works
|
|
print_title("test we_dont_have");
|
|
p = setup_picker("1111111", "*******", "0100000", "");
|
|
TEST_CHECK(p->have_piece(1));
|
|
TEST_CHECK(p->have_piece(2));
|
|
p->we_dont_have(1);
|
|
p->we_dont_have(2);
|
|
TEST_CHECK(!p->have_piece(1));
|
|
TEST_CHECK(!p->have_piece(2));
|
|
picked = pick_pieces(p, "*** ** ", 1, 0, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) > 0);
|
|
TEST_CHECK(picked.front().piece_index == 1);
|
|
|
|
// ========================================================
|
|
|
|
// make sure init preserves priorities
|
|
print_title("test init");
|
|
p = setup_picker("1111111", " ", "1111111", "");
|
|
|
|
TEST_CHECK(p->num_filtered() == 0);
|
|
TEST_CHECK(p->num_have_filtered() == 0);
|
|
TEST_CHECK(p->num_have() == 0);
|
|
|
|
p->set_piece_priority(0, 0);
|
|
TEST_CHECK(p->num_filtered() == 1);
|
|
TEST_CHECK(p->num_have_filtered() == 0);
|
|
TEST_CHECK(p->num_have() == 0);
|
|
|
|
p->we_have(0);
|
|
|
|
TEST_CHECK(p->num_filtered() == 0);
|
|
TEST_CHECK(p->num_have_filtered() == 1);
|
|
TEST_CHECK(p->num_have() == 1);
|
|
|
|
p->init(blocks_per_piece, blocks_per_piece, blocks_per_piece * 7);
|
|
TEST_CHECK(p->piece_priority(0) == 0);
|
|
TEST_CHECK(p->num_filtered() == 1);
|
|
TEST_CHECK(p->num_have_filtered() == 0);
|
|
TEST_CHECK(p->num_have() == 0);
|
|
|
|
// ========================================================
|
|
|
|
// make sure requested blocks aren't picked
|
|
print_title("test don't pick requested blocks");
|
|
p = setup_picker("1111111", " ", "", "");
|
|
picked = pick_pieces(p, "*******", 1, 0, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) > 0);
|
|
piece_block first = picked.front();
|
|
p->mark_as_downloading(picked.front(), &peer_struct, piece_picker::fast);
|
|
TEST_CHECK(p->num_peers(picked.front()) == 1);
|
|
picked = pick_pieces(p, "*******", 1, 0, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) > 0);
|
|
TEST_CHECK(picked.front() != first);
|
|
|
|
// ========================================================
|
|
|
|
// make sure downloading pieces have higher priority
|
|
print_title("test downloading piece priority");
|
|
p = setup_picker("1111111", " ", "", "");
|
|
picked = pick_pieces(p, "*******", 1, 0, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) > 0);
|
|
first = picked.front();
|
|
p->mark_as_downloading(picked.front(), &peer_struct, piece_picker::fast);
|
|
TEST_CHECK(p->num_peers(picked.front()) == 1);
|
|
picked = pick_pieces(p, "*******", 1, 0, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) > 0);
|
|
TEST_CHECK(picked.front() != first);
|
|
TEST_CHECK(picked.front().piece_index == first.piece_index);
|
|
|
|
// ========================================================
|
|
/*
|
|
// make sure downloading pieces closer to completion have higher priority
|
|
// piece 3 has only 1 block from being completed, and should be picked
|
|
print_title("test downloading piece order");
|
|
p = setup_picker("1111111", " ", "", "013700f");
|
|
picked = pick_pieces(p, "*******", 1, 0, 0, piece_picker::fast
|
|
, options | piece_picker::prioritize_partials, empty_vector);
|
|
TEST_CHECK(int(picked.size()) > 0);
|
|
TEST_CHECK(picked.front() == piece_block(3, 3));
|
|
*/
|
|
// ========================================================
|
|
|
|
// test sequential download
|
|
print_title("test sequential download");
|
|
p = setup_picker("7654321", " ", "", "");
|
|
picked = pick_pieces(p, "*******", 7 * blocks_per_piece, 0, 0, piece_picker::fast
|
|
, piece_picker::sequential, empty_vector);
|
|
TEST_CHECK(int(picked.size()) == 7 * blocks_per_piece);
|
|
for (int i = 0; i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i] == piece_block(i / blocks_per_piece, i % blocks_per_piece));
|
|
|
|
// ========================================================
|
|
|
|
// test reverse sequential download
|
|
print_title("test reverse sequential download");
|
|
p = setup_picker("7654321", " ", "", "");
|
|
picked = pick_pieces(p, "*******", 7 * blocks_per_piece, 0, 0, piece_picker::fast
|
|
, piece_picker::sequential | piece_picker::reverse, empty_vector);
|
|
TEST_CHECK(int(picked.size()) == 7 * blocks_per_piece);
|
|
for (int i = 0; i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i] == piece_block(6 - (i / blocks_per_piece), i % blocks_per_piece));
|
|
|
|
// ========================================================
|
|
|
|
// test cursors
|
|
print_title("test cursors");
|
|
p = setup_picker("7654321", " ", "", "");
|
|
TEST_CHECK(p->cursor() == 0);
|
|
TEST_CHECK(p->reverse_cursor() == 7);
|
|
p->we_have(1);
|
|
TEST_CHECK(p->cursor() == 0);
|
|
TEST_CHECK(p->reverse_cursor() == 7);
|
|
p->we_have(0);
|
|
TEST_CHECK(p->cursor() == 2);
|
|
TEST_CHECK(p->reverse_cursor() == 7);
|
|
p->we_have(5);
|
|
TEST_CHECK(p->cursor() == 2);
|
|
TEST_CHECK(p->reverse_cursor() == 7);
|
|
p->we_have(6);
|
|
TEST_CHECK(p->cursor() == 2);
|
|
TEST_CHECK(p->reverse_cursor() == 5);
|
|
p->we_have(4);
|
|
p->we_have(3);
|
|
p->we_have(2);
|
|
TEST_CHECK(p->cursor() == 7);
|
|
TEST_CHECK(p->reverse_cursor() == 0);
|
|
p->we_dont_have(3);
|
|
TEST_CHECK(p->cursor() == 3);
|
|
TEST_CHECK(p->reverse_cursor() == 4);
|
|
|
|
p = setup_picker("7654321", " ", "", "");
|
|
TEST_CHECK(p->cursor() == 0);
|
|
TEST_CHECK(p->reverse_cursor() == 7);
|
|
p->set_piece_priority(1, 0);
|
|
TEST_CHECK(p->cursor() == 0);
|
|
TEST_CHECK(p->reverse_cursor() == 7);
|
|
p->set_piece_priority(0, 0);
|
|
TEST_CHECK(p->cursor() == 2);
|
|
TEST_CHECK(p->reverse_cursor() == 7);
|
|
p->set_piece_priority(5, 0);
|
|
TEST_CHECK(p->cursor() == 2);
|
|
TEST_CHECK(p->reverse_cursor() == 7);
|
|
p->set_piece_priority(6, 0);
|
|
TEST_CHECK(p->cursor() == 2);
|
|
TEST_CHECK(p->reverse_cursor() == 5);
|
|
p->set_piece_priority(4, 0);
|
|
p->set_piece_priority(3, 0);
|
|
p->set_piece_priority(2, 0);
|
|
TEST_CHECK(p->cursor() == 7);
|
|
TEST_CHECK(p->reverse_cursor() == 0);
|
|
p->set_piece_priority(3, 1);
|
|
TEST_CHECK(p->cursor() == 3);
|
|
TEST_CHECK(p->reverse_cursor() == 4);
|
|
|
|
|
|
// ========================================================
|
|
|
|
// test piece priorities
|
|
print_title("test piece priorities");
|
|
p = setup_picker("5555555", " ", "7654321", "");
|
|
TEST_CHECK(p->num_filtered() == 0);
|
|
TEST_CHECK(p->num_have_filtered() == 0);
|
|
p->set_piece_priority(0, 0);
|
|
TEST_CHECK(p->num_filtered() == 1);
|
|
TEST_CHECK(p->num_have_filtered() == 0);
|
|
p->mark_as_finished(piece_block(0,0), 0);
|
|
p->we_have(0);
|
|
TEST_CHECK(p->num_filtered() == 0);
|
|
TEST_CHECK(p->num_have_filtered() == 1);
|
|
|
|
p->we_dont_have(0);
|
|
p->set_piece_priority(0, 7);
|
|
|
|
picked = pick_pieces(p, "*******", 7 * blocks_per_piece, 0, 0
|
|
, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) == 7 * blocks_per_piece);
|
|
|
|
for (int i = 0; i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i] == piece_block(i / blocks_per_piece, i % blocks_per_piece));
|
|
|
|
// test changing priority on a piece we have
|
|
p->we_have(0);
|
|
p->set_piece_priority(0, 0);
|
|
p->set_piece_priority(0, 1);
|
|
p->set_piece_priority(0, 0);
|
|
|
|
std::vector<int> prios;
|
|
p->piece_priorities(prios);
|
|
TEST_CHECK(prios.size() == 7);
|
|
int prio_comp[] = {0, 6, 5, 4, 3, 2, 1};
|
|
TEST_CHECK(std::equal(prios.begin(), prios.end(), prio_comp));
|
|
|
|
std::vector<bool> filter;
|
|
p->filtered_pieces(filter);
|
|
TEST_CHECK(prios.size() == 7);
|
|
bool filter_comp[] = {true, false, false, false, false, false, false};
|
|
TEST_CHECK(std::equal(filter.begin(), filter.end(), filter_comp));
|
|
|
|
// ========================================================
|
|
|
|
// test restore_piece
|
|
print_title("test restore piece");
|
|
p = setup_picker("1234567", " ", "", "");
|
|
p->mark_as_finished(piece_block(0,0), 0);
|
|
p->mark_as_finished(piece_block(0,1), 0);
|
|
p->mark_as_finished(piece_block(0,2), 0);
|
|
p->mark_as_finished(piece_block(0,3), 0);
|
|
|
|
picked = pick_pieces(p, "*******", 1, 0, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) >= 1);
|
|
TEST_CHECK(picked.front().piece_index == 1);
|
|
|
|
p->restore_piece(0);
|
|
picked = pick_pieces(p, "*******", 1, 0, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) >= 1);
|
|
TEST_CHECK(picked.front().piece_index == 0);
|
|
|
|
p->mark_as_finished(piece_block(0,0), 0);
|
|
p->mark_as_finished(piece_block(0,1), 0);
|
|
p->mark_as_finished(piece_block(0,2), 0);
|
|
p->mark_as_finished(piece_block(0,3), 0);
|
|
p->set_piece_priority(0, 0);
|
|
|
|
picked = pick_pieces(p, "*******", 1, 0, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) >= 1);
|
|
TEST_CHECK(picked.front().piece_index == 1);
|
|
|
|
p->restore_piece(0);
|
|
picked = pick_pieces(p, "*******", 1, 0, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) >= 1);
|
|
TEST_CHECK(picked.front().piece_index == 1);
|
|
|
|
p->set_piece_priority(0, 1);
|
|
picked = pick_pieces(p, "*******", 1, 0, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) >= 1);
|
|
TEST_CHECK(picked.front().piece_index == 0);
|
|
|
|
// ========================================================
|
|
|
|
// test random mode
|
|
print_title("test random pick");
|
|
p = setup_picker("1234567", " ", "1111122", "");
|
|
std::set<int> random_pieces;
|
|
for (int i = 0; i < 100; ++i)
|
|
random_pieces.insert(test_pick(p, 0));
|
|
TEST_CHECK(random_pieces.size() == 7);
|
|
|
|
random_pieces.clear();
|
|
for (int i = 0; i < 7; ++i)
|
|
{
|
|
int piece = test_pick(p, 0);
|
|
p->we_have(piece);
|
|
random_pieces.insert(piece);
|
|
}
|
|
TEST_CHECK(random_pieces.size() == 7);
|
|
|
|
// ========================================================
|
|
|
|
// make sure that blocks from a slow piece are picked
|
|
// by a fast peer if there are no other options
|
|
print_title("test downloading piece affinity");
|
|
p = setup_picker("1111111", " ", "", "");
|
|
p->mark_as_downloading(piece_block(2,2), &tmp1, piece_picker::slow);
|
|
picked = pick_pieces(p, "*******", 7 * blocks_per_piece - 1, 0, &tmp2
|
|
, piece_picker::fast, options | piece_picker::speed_affinity, empty_vector);
|
|
TEST_CHECK(picked.size() == 7 * blocks_per_piece - 1);
|
|
TEST_CHECK(std::find(picked.begin(), picked.end(), piece_block(2,2)) == picked.end());
|
|
// piece 2 sould be the last one (least matching piece to pick)
|
|
TEST_CHECK(picked[7 * blocks_per_piece - 2].piece_index == 2);
|
|
TEST_CHECK(picked[7 * blocks_per_piece - 3].piece_index == 2);
|
|
TEST_CHECK(picked[7 * blocks_per_piece - 4].piece_index == 2);
|
|
|
|
// test the affinity of pieces with the same speed state
|
|
p = setup_picker("1111111", " ", "", "");
|
|
p->mark_as_downloading(piece_block(3,2), &tmp1, piece_picker::slow);
|
|
p->mark_as_downloading(piece_block(2,2), &tmp1, piece_picker::medium);
|
|
p->mark_as_downloading(piece_block(4,2), &tmp1, piece_picker::fast);
|
|
picked = pick_pieces(p, "*******", 2 * blocks_per_piece, 0, 0
|
|
, piece_picker::fast, piece_picker::prioritize_partials | piece_picker::speed_affinity
|
|
, empty_vector);
|
|
TEST_CHECK(picked.size() == 2 * blocks_per_piece);
|
|
TEST_CHECK(picked[0].piece_index == 4);
|
|
TEST_CHECK(picked[blocks_per_piece - 1].piece_index == 2);
|
|
TEST_CHECK(picked[2 * blocks_per_piece - 2].piece_index == 3);
|
|
|
|
// ========================================================
|
|
|
|
// make sure the piece picker will pick pieces that
|
|
// are already requested from other peers if it has to
|
|
print_title("test picking downloading blocks");
|
|
p = setup_picker("1111111", " ", "", "");
|
|
p->mark_as_downloading(piece_block(2,2), &tmp1, piece_picker::fast);
|
|
p->mark_as_downloading(piece_block(1,2), &tmp1, piece_picker::slow);
|
|
|
|
picked.clear();
|
|
p->pick_pieces(string2vec("*******"), picked, 7 * blocks_per_piece, 0, 0
|
|
, piece_picker::fast, piece_picker::prioritize_partials, empty_vector, 20);
|
|
TEST_CHECK(verify_pick(p, picked, true));
|
|
print_pick(picked);
|
|
// don't pick both busy pieces, just one
|
|
TEST_EQUAL(picked.size(), 7 * blocks_per_piece - 1);
|
|
|
|
picked.clear();
|
|
p->pick_pieces(string2vec("*******"), picked, 7 * blocks_per_piece, 0, 0
|
|
, piece_picker::fast, piece_picker::prioritize_partials
|
|
| piece_picker::rarest_first, empty_vector, 20);
|
|
TEST_CHECK(verify_pick(p, picked, true));
|
|
print_pick(picked);
|
|
TEST_EQUAL(picked.size(), 7 * blocks_per_piece - 1);
|
|
|
|
picked.clear();
|
|
p->pick_pieces(string2vec("*******"), picked, 7 * blocks_per_piece, 0, 0
|
|
, piece_picker::fast, piece_picker::rarest_first, empty_vector, 20);
|
|
TEST_CHECK(verify_pick(p, picked, true));
|
|
print_pick(picked);
|
|
TEST_EQUAL(picked.size(), 7 * blocks_per_piece - 1);
|
|
|
|
// ========================================================
|
|
|
|
// test clear_peer
|
|
print_title("test clear_peer");
|
|
p = setup_picker("1123333", " ", "", "");
|
|
p->mark_as_downloading(piece_block(0, 0), &tmp1, piece_picker::slow);
|
|
p->mark_as_downloading(piece_block(0, 1), &tmp2, piece_picker::slow);
|
|
p->mark_as_downloading(piece_block(0, 2), &tmp3, piece_picker::slow);
|
|
p->mark_as_downloading(piece_block(1, 1), &tmp1, piece_picker::slow);
|
|
p->mark_as_downloading(piece_block(2, 1), &tmp2, piece_picker::slow);
|
|
p->mark_as_downloading(piece_block(3, 1), &tmp3, piece_picker::slow);
|
|
|
|
std::vector<void*> dls;
|
|
void* expected_dls1[] = {&tmp1, &tmp2, &tmp3, 0};
|
|
void* expected_dls2[] = {0, &tmp1, 0, 0};
|
|
void* expected_dls3[] = {0, &tmp2, 0, 0};
|
|
void* expected_dls4[] = {0, &tmp3, 0, 0};
|
|
void* expected_dls5[] = {&tmp1, 0, &tmp3, 0};
|
|
p->get_downloaders(dls, 0);
|
|
TEST_CHECK(std::equal(dls.begin(), dls.end(), expected_dls1));
|
|
p->get_downloaders(dls, 1);
|
|
TEST_CHECK(std::equal(dls.begin(), dls.end(), expected_dls2));
|
|
p->get_downloaders(dls, 2);
|
|
TEST_CHECK(std::equal(dls.begin(), dls.end(), expected_dls3));
|
|
p->get_downloaders(dls, 3);
|
|
TEST_CHECK(std::equal(dls.begin(), dls.end(), expected_dls4));
|
|
|
|
p->clear_peer(&tmp2);
|
|
p->get_downloaders(dls, 0);
|
|
TEST_CHECK(std::equal(dls.begin(), dls.end(), expected_dls5));
|
|
|
|
// ========================================================
|
|
|
|
// test have_all and have_none
|
|
print_title("test have_all and have_none");
|
|
p = setup_picker("0123333", "* ", "", "");
|
|
dc = p->distributed_copies();
|
|
std::cout << "distributed copies: " << dc.first << "." << (dc.second / 1000.f) << std::endl;
|
|
TEST_CHECK(dc == std::make_pair(1, 5000 / 7));
|
|
p->inc_refcount_all();
|
|
dc = p->distributed_copies();
|
|
TEST_CHECK(dc == std::make_pair(2, 5000 / 7));
|
|
p->dec_refcount_all();
|
|
dc = p->distributed_copies();
|
|
std::cout << "distributed copies: " << dc.first << "." << (dc.second / 1000.f) << std::endl;
|
|
TEST_CHECK(dc == std::make_pair(1, 5000 / 7));
|
|
p->inc_refcount(0);
|
|
p->dec_refcount_all();
|
|
dc = p->distributed_copies();
|
|
std::cout << "distributed copies: " << dc.first << "." << (dc.second / 1000.f) << std::endl;
|
|
TEST_CHECK(dc == std::make_pair(0, 6000 / 7));
|
|
TEST_CHECK(test_pick(p) == 2);
|
|
|
|
// ========================================================
|
|
|
|
// test have_all and have_none
|
|
print_title("test have_all and have_none with sequential download");
|
|
p = setup_picker("0123333", "* ", "", "");
|
|
dc = p->distributed_copies();
|
|
std::cout << "distributed copies: " << dc.first << "." << (dc.second / 1000.f) << std::endl;
|
|
TEST_CHECK(dc == std::make_pair(1, 5000 / 7));
|
|
p->inc_refcount_all();
|
|
dc = p->distributed_copies();
|
|
std::cout << "distributed copies: " << dc.first << "." << (dc.second / 1000.f) << std::endl;
|
|
TEST_CHECK(dc == std::make_pair(2, 5000 / 7));
|
|
TEST_CHECK(test_pick(p) == 1);
|
|
|
|
// ========================================================
|
|
|
|
// test inc_ref and dec_ref
|
|
print_title("test inc_ref dec_ref");
|
|
p = setup_picker("1233333", " * ", "", "");
|
|
TEST_CHECK(test_pick(p) == 0);
|
|
|
|
p->dec_refcount(0);
|
|
TEST_CHECK(test_pick(p) == 1);
|
|
|
|
p->dec_refcount(4);
|
|
p->dec_refcount(4);
|
|
TEST_CHECK(test_pick(p) == 4);
|
|
|
|
// decrease refcount on something that's not in the piece list
|
|
p->dec_refcount(5);
|
|
p->inc_refcount(5);
|
|
|
|
bitfield bits(7);
|
|
bits.clear_all();
|
|
bits.set_bit(0);
|
|
p->inc_refcount(bits);
|
|
bits.clear_all();
|
|
bits.set_bit(4);
|
|
p->dec_refcount(bits);
|
|
TEST_CHECK(test_pick(p) == 0);
|
|
|
|
// ========================================================
|
|
|
|
// test unverified_blocks, marking blocks and get_downloader
|
|
print_title("test unverified blocks");
|
|
p = setup_picker("1111111", " ", "", "0300700");
|
|
TEST_CHECK(p->unverified_blocks() == 2 + 3);
|
|
TEST_CHECK(p->get_downloader(piece_block(4, 0)) == 0);
|
|
TEST_CHECK(p->get_downloader(piece_block(4, 1)) == 0);
|
|
TEST_CHECK(p->get_downloader(piece_block(4, 2)) == 0);
|
|
TEST_CHECK(p->get_downloader(piece_block(4, 3)) == 0);
|
|
p->mark_as_downloading(piece_block(4, 3), &peer_struct, piece_picker::fast);
|
|
TEST_CHECK(p->get_downloader(piece_block(4, 3)) == &peer_struct);
|
|
p->piece_info(4, st);
|
|
TEST_CHECK(st.requested == 1);
|
|
TEST_CHECK(st.writing == 0);
|
|
TEST_CHECK(st.finished == 3);
|
|
TEST_CHECK(p->unverified_blocks() == 2 + 3);
|
|
p->mark_as_writing(piece_block(4, 3), &peer_struct);
|
|
TEST_CHECK(p->get_downloader(piece_block(4, 3)) == &peer_struct);
|
|
p->piece_info(4, st);
|
|
TEST_CHECK(st.requested == 0);
|
|
TEST_CHECK(st.writing == 1);
|
|
TEST_CHECK(st.finished == 3);
|
|
TEST_CHECK(p->unverified_blocks() == 2 + 3);
|
|
p->mark_as_finished(piece_block(4, 3), &peer_struct);
|
|
TEST_CHECK(p->get_downloader(piece_block(4, 3)) == &peer_struct);
|
|
p->piece_info(4, st);
|
|
TEST_CHECK(st.requested == 0);
|
|
TEST_CHECK(st.writing == 0);
|
|
TEST_CHECK(st.finished == 4);
|
|
TEST_CHECK(p->unverified_blocks() == 2 + 4);
|
|
p->we_have(4);
|
|
p->piece_info(4, st);
|
|
TEST_CHECK(st.requested == 0);
|
|
TEST_CHECK(st.writing == 0);
|
|
TEST_CHECK(st.finished == 4);
|
|
TEST_CHECK(p->get_downloader(piece_block(4, 3)) == 0);
|
|
TEST_CHECK(p->unverified_blocks() == 2);
|
|
|
|
// ========================================================
|
|
|
|
// test prefer_whole_pieces
|
|
print_title("test prefer whole pieces");
|
|
p = setup_picker("1111111", " ", "", "");
|
|
picked = pick_pieces(p, "*******", 1, 3, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) >= 3 * blocks_per_piece);
|
|
piece_block b = picked.front();
|
|
for (int i = 1; i < int(picked.size()); ++i)
|
|
{
|
|
TEST_CHECK(picked[i].piece_index * blocks_per_piece + picked[i].block_index
|
|
== b.piece_index * blocks_per_piece + b.block_index + 1);
|
|
b = picked[i];
|
|
}
|
|
|
|
picked = pick_pieces(p, "*******", 1, 3, 0, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(int(picked.size()) >= 3 * blocks_per_piece);
|
|
b = picked.front();
|
|
for (int i = 1; i < int(picked.size()); ++i)
|
|
{
|
|
TEST_CHECK(picked[i].piece_index * blocks_per_piece + picked[i].block_index
|
|
== b.piece_index * blocks_per_piece + b.block_index + 1);
|
|
b = picked[i];
|
|
}
|
|
|
|
// make sure pieces that don't match the 'whole pieces' requirement
|
|
// are picked if there's no other choice
|
|
p = setup_picker("1111111", " ", "", "");
|
|
p->mark_as_downloading(piece_block(2,2), &tmp1, piece_picker::fast);
|
|
picked = pick_pieces(p, "*******", 7 * blocks_per_piece - 1, 1, 0
|
|
, piece_picker::fast, options, empty_vector);
|
|
TEST_CHECK(picked.size() == 7 * blocks_per_piece - 1);
|
|
TEST_CHECK(std::find(picked.begin(), picked.end(), piece_block(2,2)) == picked.end());
|
|
|
|
//#error test picking with partial pieces and other peers present so that both backup_pieces and backup_pieces2 are used
|
|
|
|
// ========================================================
|
|
|
|
// test parole mode
|
|
print_title("test parole mode");
|
|
p = setup_picker("3333133", " ", "", "");
|
|
p->mark_as_finished(piece_block(0, 0), 0);
|
|
picked = pick_pieces(p, "*******", 1, 1, 0, piece_picker::fast
|
|
, options | piece_picker::on_parole | piece_picker::prioritize_partials, empty_vector);
|
|
TEST_CHECK(int(picked.size()) == blocks_per_piece - 1);
|
|
for (int i = 1; i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i] == piece_block(0, i + 1));
|
|
|
|
// make sure that the partial piece is not picked by a
|
|
// peer that is has not downloaded/requested the other blocks
|
|
picked = pick_pieces(p, "*******", 1, 1, &peer_struct, piece_picker::fast
|
|
, options | piece_picker::on_parole | piece_picker::prioritize_partials, empty_vector);
|
|
TEST_CHECK(int(picked.size()) == blocks_per_piece);
|
|
for (int i = 1; i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i] == piece_block(4, i));
|
|
|
|
// ========================================================
|
|
|
|
// test suggested pieces
|
|
print_title("test suggested pieces");
|
|
p = setup_picker("1111222233334444", " ", "", "");
|
|
int v[] = {1, 5};
|
|
std::vector<int> suggested_pieces(v, v + 2);
|
|
|
|
picked = pick_pieces(p, "****************", 1, 1, 0, piece_picker::fast, options, suggested_pieces);
|
|
TEST_CHECK(int(picked.size()) >= blocks_per_piece);
|
|
for (int i = 1; i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i] == piece_block(1, i));
|
|
p->set_piece_priority(0, 0);
|
|
p->set_piece_priority(1, 0);
|
|
p->set_piece_priority(2, 0);
|
|
p->set_piece_priority(3, 0);
|
|
|
|
picked = pick_pieces(p, "****************", 1, 1, 0, piece_picker::fast, options, suggested_pieces);
|
|
TEST_CHECK(int(picked.size()) >= blocks_per_piece);
|
|
for (int i = 1; i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i] == piece_block(5, i));
|
|
|
|
p = setup_picker("1111222233334444", "**** ", "", "");
|
|
picked = pick_pieces(p, "****************", 1, 1, 0, piece_picker::fast, options, suggested_pieces);
|
|
TEST_CHECK(int(picked.size()) >= blocks_per_piece);
|
|
for (int i = 1; i < int(picked.size()); ++i)
|
|
TEST_CHECK(picked[i] == piece_block(5, i));
|
|
|
|
// MISSING TESTS:
|
|
// 1. abort_download
|
|
// 2. write_failed
|
|
|
|
/*
|
|
|
|
p.pick_pieces(peer1, picked, 1, false, 0, piece_picker::fast, true);
|
|
TEST_CHECK(int(picked.size()) == 1);
|
|
TEST_CHECK(picked.front().piece_index == 2);
|
|
|
|
// now pick a piece from peer2. The block is supposed to be
|
|
// from piece 3, since it is the rarest piece that peer has.
|
|
picked.clear();
|
|
p.pick_pieces(peer2, picked, 1, false, 0, piece_picker::fast, true);
|
|
TEST_CHECK(int(picked.size()) == 1);
|
|
TEST_CHECK(picked.front().piece_index == 3);
|
|
|
|
// same thing for peer3.
|
|
|
|
picked.clear();
|
|
p.pick_pieces(peer3, picked, 1, false, 0, piece_picker::fast, true);
|
|
TEST_CHECK(int(picked.size()) == 1);
|
|
TEST_CHECK(picked.front().piece_index == 5);
|
|
|
|
// now, if all peers would have piece 1 (the piece we have partially)
|
|
// it should be prioritized over picking a completely new piece.
|
|
peer3[1] = true;
|
|
p.inc_refcount(1);
|
|
|
|
picked.clear();
|
|
p.pick_pieces(peer3, picked, 1, false, 0, piece_picker::fast, true);
|
|
TEST_CHECK(int(picked.size()) == 1);
|
|
TEST_CHECK(picked.front().piece_index == 1);
|
|
// and the block picked should not be 0 or 2
|
|
// since we already have those blocks
|
|
|
|
TEST_CHECK(picked.front().block_index != 0);
|
|
TEST_CHECK(picked.front().block_index != 2);
|
|
|
|
// now, if we mark piece 1 and block 0 in piece 2
|
|
// as being downloaded and picks a block from peer1,
|
|
// it should pick a block from piece 2. But since
|
|
// block 0 is marked as requested from another peer,
|
|
// the piece_picker will continue to pick blocks
|
|
// until it can return at least 1 block (since we
|
|
// tell it we want one block) that is not being
|
|
// downloaded from anyone else. This is to make it
|
|
// possible for us to determine if we want to request
|
|
// the block from more than one peer.
|
|
// Both piece 1 and 2 are partial pieces, but pice
|
|
// 2 is the rarest, so that's why it is picked.
|
|
|
|
// we have block 0 and 2 already, so we can't mark
|
|
// them as begin downloaded.
|
|
p.mark_as_downloading(piece_block(1, 1), &peer_struct, piece_picker::fast);
|
|
p.mark_as_downloading(piece_block(1, 3), &peer_struct, piece_picker::fast);
|
|
p.mark_as_downloading(piece_block(2, 0), &peer_struct, piece_picker::fast);
|
|
|
|
std::vector<piece_picker::downloading_piece> const& downloads = p.get_download_queue();
|
|
TEST_CHECK(downloads.size() == 2);
|
|
TEST_CHECK(downloads[0].index == 1);
|
|
TEST_CHECK(downloads[0].info[0].state == piece_picker::block_info::state_finished);
|
|
TEST_CHECK(downloads[0].info[1].state == piece_picker::block_info::state_requested);
|
|
TEST_CHECK(downloads[0].info[2].state == piece_picker::block_info::state_finished);
|
|
TEST_CHECK(downloads[0].info[3].state == piece_picker::block_info::state_requested);
|
|
|
|
TEST_CHECK(downloads[1].index == 2);
|
|
TEST_CHECK(downloads[1].info[0].state == piece_picker::block_info::state_requested);
|
|
TEST_CHECK(downloads[1].info[1].state == piece_picker::block_info::state_none);
|
|
TEST_CHECK(downloads[1].info[2].state == piece_picker::block_info::state_none);
|
|
TEST_CHECK(downloads[1].info[3].state == piece_picker::block_info::state_none);
|
|
|
|
TEST_CHECK(p.is_requested(piece_block(1, 1)));
|
|
TEST_CHECK(p.is_requested(piece_block(1, 3)));
|
|
TEST_CHECK(p.is_requested(piece_block(2, 0)));
|
|
TEST_CHECK(!p.is_requested(piece_block(2, 1)));
|
|
|
|
picked.clear();
|
|
p.pick_pieces(peer1, picked, 1, false, 0, piece_picker::fast, true);
|
|
TEST_CHECK(int(picked.size()) == 2);
|
|
|
|
piece_block expected3[] = { piece_block(2, 0), piece_block(2, 1) };
|
|
TEST_CHECK(std::equal(picked.begin()
|
|
, picked.end(), expected3));
|
|
|
|
// now, if we assume we're downloading at such a speed that
|
|
// we might prefer to download whole pieces at a time from
|
|
// this peer. It should not pick piece 1 or 2 (since those are
|
|
// partially selected)
|
|
|
|
picked.clear();
|
|
p.pick_pieces(peer1, picked, 1, true, 0, piece_picker::fast, true);
|
|
|
|
// it will pick 4 blocks, since we said we
|
|
// wanted whole pieces.
|
|
TEST_CHECK(int(picked.size()) == 4);
|
|
|
|
piece_block expected4[] =
|
|
{
|
|
piece_block(3, 0), piece_block(3, 1)
|
|
, piece_block(3, 2), piece_block(3, 3)
|
|
};
|
|
|
|
TEST_CHECK(std::equal(picked.begin()
|
|
, picked.end(), expected4));
|
|
|
|
// now, try the same thing, but pick as many pieces as possible
|
|
// to make sure it can still fall back on partial pieces
|
|
|
|
picked.clear();
|
|
p.pick_pieces(peer1, picked, 100, true, 0, piece_picker::fast, true);
|
|
|
|
TEST_CHECK(int(picked.size()) == 12);
|
|
|
|
piece_block expected5[] =
|
|
{
|
|
piece_block(3, 0), piece_block(3, 1)
|
|
, piece_block(3, 2), piece_block(3, 3)
|
|
, piece_block(5, 0), piece_block(5, 1)
|
|
, piece_block(5, 2), piece_block(5, 3)
|
|
, piece_block(2, 0), piece_block(2, 1)
|
|
, piece_block(2, 2), piece_block(2, 3)
|
|
};
|
|
|
|
TEST_CHECK(std::equal(picked.begin()
|
|
, picked.end(), expected5));
|
|
|
|
// now, try the same thing, but pick as many pieces as possible
|
|
// to make sure it can still fall back on partial pieces
|
|
|
|
picked.clear();
|
|
p.pick_pieces(peer1, picked, 100, true, &peer_struct, piece_picker::fast, true);
|
|
|
|
TEST_CHECK(int(picked.size()) == 11);
|
|
|
|
piece_block expected6[] =
|
|
{
|
|
piece_block(2, 1), piece_block(2, 2)
|
|
, piece_block(2, 3)
|
|
, piece_block(3, 0), piece_block(3, 1)
|
|
, piece_block(3, 2), piece_block(3, 3)
|
|
, piece_block(5, 0), piece_block(5, 1)
|
|
, piece_block(5, 2), piece_block(5, 3)
|
|
};
|
|
|
|
TEST_CHECK(std::equal(picked.begin()
|
|
, picked.end(), expected6));
|
|
|
|
// make sure the piece picker allows filtered pieces
|
|
// to become available
|
|
p.mark_as_finished(piece_block(4, 2), 0);
|
|
*/
|
|
return 0;
|
|
}
|
|
|