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factor out disk_buffer_pool from disk_io_thread. refactored the file open modes to be platform independent. gave the disk_io_thread its own copy of session_settings that it shares with storage. added an unaligned_read implementation to storage. Added options to session_settings on when to open files in unbuffered mode. Added unit tests for unaligned reads

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This commit is contained in:
Arvid Norberg
2009-01-21 07:31:49 +00:00
parent 9a9f08f70f
commit 00808473e7
11 changed files with 423 additions and 316 deletions
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24
src/disk_buffer_holder.cpp
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@@ -38,29 +38,29 @@ namespace libtorrent
{
disk_buffer_holder::disk_buffer_holder(aux::session_impl& ses, char* buf)
: m_iothread(ses.m_disk_thread), m_buf(buf), m_num_blocks(1)
: m_disk_pool(ses.m_disk_thread), m_buf(buf), m_num_blocks(1)
{
TORRENT_ASSERT(buf == 0 || m_iothread.is_disk_buffer(buf));
TORRENT_ASSERT(buf == 0 || m_disk_pool.is_disk_buffer(buf));
}
disk_buffer_holder::disk_buffer_holder(disk_io_thread& iothread, char* buf)
: m_iothread(iothread), m_buf(buf), m_num_blocks(1)
disk_buffer_holder::disk_buffer_holder(disk_buffer_pool& iothread, char* buf)
: m_disk_pool(iothread), m_buf(buf), m_num_blocks(1)
{
TORRENT_ASSERT(buf == 0 || m_iothread.is_disk_buffer(buf));
TORRENT_ASSERT(buf == 0 || m_disk_pool.is_disk_buffer(buf));
}
disk_buffer_holder::disk_buffer_holder(disk_io_thread& iothread, char* buf, int num_blocks)
: m_iothread(iothread), m_buf(buf), m_num_blocks(num_blocks)
disk_buffer_holder::disk_buffer_holder(disk_buffer_pool& iothread, char* buf, int num_blocks)
: m_disk_pool(iothread), m_buf(buf), m_num_blocks(num_blocks)
{
TORRENT_ASSERT(buf == 0 || m_iothread.is_disk_buffer(buf));
TORRENT_ASSERT(buf == 0 || m_disk_pool.is_disk_buffer(buf));
}
void disk_buffer_holder::reset(char* buf, int num_blocks)
{
if (m_buf)
{
if (m_num_blocks == 1) m_iothread.free_buffer(m_buf);
else m_iothread.free_buffers(m_buf, m_num_blocks);
if (m_num_blocks == 1) m_disk_pool.free_buffer(m_buf);
else m_disk_pool.free_buffers(m_buf, m_num_blocks);
}
m_buf = buf;
m_num_blocks = num_blocks;
@@ -77,8 +77,8 @@ namespace libtorrent
{
if (m_buf)
{
if (m_num_blocks == 1) m_iothread.free_buffer(m_buf);
else m_iothread.free_buffers(m_buf, m_num_blocks);
if (m_num_blocks == 1) m_disk_pool.free_buffer(m_buf);
else m_disk_pool.free_buffers(m_buf, m_num_blocks);
}
}
}