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Restore log compression

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This commit is contained in:
Nekotekina 2017-11-20 01:01:29 +03:00
parent 868180eacd
commit d32a30bbeb
1 changed files with 55 additions and 0 deletions
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55
Utilities/Log.cpp
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@ -62,6 +62,7 @@ namespace logs
std::string m_name;
std::thread m_writer;
fs::file m_fout;
fs::file m_fout2;
u64 m_max_size;
#ifdef _WIN32
@ -352,6 +353,9 @@ logs::file_writer::file_writer(const std::string& name)
// Actual log file (allowed to fail)
m_fout.open(log_name, fs::rewrite);
// Compressed log
m_fout2.open(log_name + ".gz", fs::rewrite);
}
catch (...)
{
@ -362,6 +366,15 @@ logs::file_writer::file_writer(const std::string& name)
{
thread_ctrl::set_native_priority(-1);
z_stream zs{};
uchar out[65536];
bool zs_init = true;
if (!m_fout2 || deflateInit2(&zs, 9, Z_DEFLATED, 16 + 15, 9, Z_DEFAULT_STRATEGY) != Z_OK)
{
zs_init = false;
m_fout2.close();
}
while (true)
{
const u64 bufv = m_buf;
@ -385,6 +398,25 @@ logs::file_writer::file_writer(const std::string& name)
m_fout.close();
}
if (m_fout2)
{
zs.avail_in = size;
zs.next_in = m_fptr + st % s_log_size;
do
{
zs.avail_out = sizeof(out);
zs.next_out = out;
if (deflate(&zs, Z_NO_FLUSH) == Z_STREAM_ERROR || m_fout2.write(out, sizeof(out) - zs.avail_out) != sizeof(out) - zs.avail_out)
{
m_fout2.close();
break;
}
}
while (zs.avail_out == 0);
}
m_out += end - st;
}
else
@ -397,6 +429,29 @@ logs::file_writer::file_writer(const std::string& name)
std::this_thread::sleep_for(10ms);
}
}
if (zs_init)
{
if (m_fout2)
{
zs.avail_in = 0;
zs.next_in = nullptr;
do
{
zs.avail_out = sizeof(out);
zs.next_out = out;
if (deflate(&zs, Z_FINISH) == Z_STREAM_ERROR || m_fout2.write(out, sizeof(out) - zs.avail_out) != sizeof(out) - zs.avail_out)
{
break;
}
}
while (zs.avail_out == 0);
}
deflateEnd(&zs);
}
});
}