177 lines
5.6 KiB
C++
177 lines
5.6 KiB
C++
#include "libtorrent/ip_filter.hpp"
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#include <boost/utility.hpp>
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#include "test.hpp"
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/*
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Currently this test only tests that the filter can handle
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IPv4 addresses. Maybe it should be extended to IPv6 as well,
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but the actual code is just a template, so it is probably
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pretty safe to assume that as long as it works for IPv4 it
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also works for IPv6.
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*/
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using namespace libtorrent;
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template <class Addr>
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bool compare(ip_range<Addr> const& lhs
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, ip_range<Addr> const& rhs)
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{
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return lhs.first == rhs.first
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&& lhs.last == rhs.last
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&& lhs.flags == rhs.flags;
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}
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void test_rules_invariant(std::vector<ip_range<address_v4> > const& r, ip_filter const& f)
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{
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typedef std::vector<ip_range<address_v4> >::const_iterator iterator;
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TEST_CHECK(!r.empty());
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if (r.empty()) return;
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TEST_CHECK(r.front().first == address::from_string("0.0.0.0"));
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TEST_CHECK(r.back().last == address::from_string("255.255.255.255"));
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iterator i = r.begin();
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iterator j = boost::next(i);
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for (iterator i(r.begin()), j(boost::next(r.begin()))
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, end(r.end()); j != end; ++j, ++i)
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{
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TEST_CHECK(f.access(i->last) == i->flags);
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TEST_CHECK(f.access(j->first) == j->flags);
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TEST_CHECK(i->last.to_ulong() + 1 == j->first.to_ulong());
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}
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}
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int test_main()
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{
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using namespace libtorrent;
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std::vector<ip_range<address_v4> > range;
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// **** test joining of ranges at the end ****
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ip_range<address_v4> expected1[] =
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{
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{address_v4::from_string("0.0.0.0"), address_v4::from_string("0.255.255.255"), 0}
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, {address_v4::from_string("1.0.0.0"), address_v4::from_string("3.0.0.0"), ip_filter::blocked}
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, {address_v4::from_string("3.0.0.1"), address_v4::from_string("255.255.255.255"), 0}
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};
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{
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ip_filter f;
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f.add_rule(address::from_string("1.0.0.0"), address::from_string("2.0.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("2.0.0.1"), address::from_string("3.0.0.0"), ip_filter::blocked);
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range = boost::get<0>(f.export_filter());
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test_rules_invariant(range, f);
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TEST_CHECK(range.size() == 3);
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TEST_CHECK(std::equal(range.begin(), range.end(), expected1, &compare<address_v4>));
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}
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// **** test joining of ranges at the start ****
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{
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ip_filter f;
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f.add_rule(address::from_string("2.0.0.1"), address::from_string("3.0.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("1.0.0.0"), address::from_string("2.0.0.0"), ip_filter::blocked);
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range = boost::get<0>(f.export_filter());
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test_rules_invariant(range, f);
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TEST_CHECK(range.size() == 3);
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TEST_CHECK(std::equal(range.begin(), range.end(), expected1, &compare<address_v4>));
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}
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// **** test joining of overlapping ranges at the start ****
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{
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ip_filter f;
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f.add_rule(address::from_string("2.0.0.1"), address::from_string("3.0.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("1.0.0.0"), address::from_string("2.4.0.0"), ip_filter::blocked);
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range = boost::get<0>(f.export_filter());
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test_rules_invariant(range, f);
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TEST_CHECK(range.size() == 3);
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TEST_CHECK(std::equal(range.begin(), range.end(), expected1, &compare<address_v4>));
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}
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// **** test joining of overlapping ranges at the end ****
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{
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ip_filter f;
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f.add_rule(address::from_string("1.0.0.0"), address::from_string("2.4.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("2.0.0.1"), address::from_string("3.0.0.0"), ip_filter::blocked);
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range = boost::get<0>(f.export_filter());
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test_rules_invariant(range, f);
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TEST_CHECK(range.size() == 3);
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TEST_CHECK(std::equal(range.begin(), range.end(), expected1, &compare<address_v4>));
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}
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// **** test joining of multiple overlapping ranges 1 ****
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{
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ip_filter f;
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f.add_rule(address::from_string("1.0.0.0"), address::from_string("2.0.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("3.0.0.0"), address::from_string("4.0.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("5.0.0.0"), address::from_string("6.0.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("7.0.0.0"), address::from_string("8.0.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("1.0.1.0"), address::from_string("9.0.0.0"), ip_filter::blocked);
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range = boost::get<0>(f.export_filter());
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test_rules_invariant(range, f);
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TEST_CHECK(range.size() == 3);
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ip_range<address_v4> expected[] =
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{
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{address_v4::from_string("0.0.0.0"), address_v4::from_string("0.255.255.255"), 0}
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, {address_v4::from_string("1.0.0.0"), address_v4::from_string("9.0.0.0"), ip_filter::blocked}
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, {address_v4::from_string("9.0.0.1"), address_v4::from_string("255.255.255.255"), 0}
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};
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TEST_CHECK(std::equal(range.begin(), range.end(), expected, &compare<address_v4>));
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}
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// **** test joining of multiple overlapping ranges 2 ****
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{
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ip_filter f;
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f.add_rule(address::from_string("1.0.0.0"), address::from_string("2.0.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("3.0.0.0"), address::from_string("4.0.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("5.0.0.0"), address::from_string("6.0.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("7.0.0.0"), address::from_string("8.0.0.0"), ip_filter::blocked);
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f.add_rule(address::from_string("0.0.1.0"), address::from_string("7.0.4.0"), ip_filter::blocked);
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range = boost::get<0>(f.export_filter());
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test_rules_invariant(range, f);
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TEST_CHECK(range.size() == 3);
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ip_range<address_v4> expected[] =
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{
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{address_v4::from_string("0.0.0.0"), address_v4::from_string("0.0.0.255"), 0}
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, {address_v4::from_string("0.0.1.0"), address_v4::from_string("8.0.0.0"), ip_filter::blocked}
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, {address_v4::from_string("8.0.0.1"), address_v4::from_string("255.255.255.255"), 0}
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};
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TEST_CHECK(std::equal(range.begin(), range.end(), expected, &compare<address_v4>));
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}
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return 0;
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}
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