Пример #1
0
	///按指定的分片大小bitfield更新rangefield.
	// @param bf为指定的bitfield.
	// @param piece_size是指定的分片大小.
	inline void bitfield_to_range(const bitfield& bf, int piece_size)
	{
#ifndef AVHTTP_DISABLE_THREAD
		boost::mutex::scoped_lock lock(*m_mutex);
#endif
		m_ranges.clear();

		boost::int64_t left = 0;
		boost::int64_t right = 0;
		bool left_record = false;
		int index = 0;

		for (bitfield::const_iterator i = bf.begin(); i != bf.end(); i++, index++)
		{
			BOOST_ASSERT(index * piece_size < m_size);

			if (*i && !left_record)
			{
				left = index * piece_size;
				right = left + piece_size;

				left_record = true;
				continue;
			}

			if (*i && left_record)
			{
				right += piece_size;
			}

			if (left_record && !(*i))
			{
				// 得到区间.
				right = (std::min)(right, m_size);
				m_ranges[left] = right;
				left_record = false;
			}
		}

		if (left_record)
		{
			right = (std::min)(right, m_size);
			m_ranges[left] = right;
			left_record = false;
		}

		m_need_merge = true;
	}
void test_iterators(bitfield& test1)
{
	test1.set_all();
	int num = 0;

	std::printf("expecting %d ones\n", test1.size());
	for (bitfield::const_iterator i = test1.begin(); i != test1.end(); ++i)
	{
		std::printf("%d", *i);
		TEST_EQUAL(*i, true);
		num += *i;
	}
	std::printf("\n");
	TEST_EQUAL(num, test1.size());
	TEST_EQUAL(num, test1.count());
}