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Options to better memory control by libtorrent. Closes #7029.

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sledgehammer999 2017-08-18 03:05:36 +03:00
parent ea793368a9
commit b649d61e8b
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3 changed files with 26 additions and 16 deletions
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30
src/base/bittorrent/session.cpp
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@ -378,6 +378,10 @@ Session::Session(QObject *parent)
sessionSettings.connection_speed = 20; // default is 10
sessionSettings.no_connect_privileged_ports = false;
sessionSettings.seed_choking_algorithm = libt::session_settings::fastest_upload;
// Disk cache pool is rarely tested in libtorrent and doesn't free buffers
// Soon to be deprecated there
// More info: https://github.com/arvidn/libtorrent/issues/2251
sessionSettings.use_disk_cache_pool = false;
configure(sessionSettings);
m_nativeSession->set_settings(sessionSettings);
configureListeningInterface();
@ -405,6 +409,10 @@ Session::Session(QObject *parent)
pack.set_int(libt::settings_pack::connection_speed, 20); // default is 10
pack.set_bool(libt::settings_pack::no_connect_privileged_ports, false);
pack.set_int(libt::settings_pack::seed_choking_algorithm, libt::settings_pack::fastest_upload);
// Disk cache pool is rarely tested in libtorrent and doesn't free buffers
// Soon to be deprecated there
// More info: https://github.com/arvidn/libtorrent/issues/2251
pack.set_bool(libt::settings_pack::use_disk_cache_pool, false);
configure(pack);
m_nativeSession = new libt::session(pack, 0);
@ -1239,8 +1247,8 @@ void Session::configure(libtorrent::settings_pack &settingsPack)
settingsPack.set_bool(libt::settings_pack::announce_to_all_trackers, announceToAll);
settingsPack.set_bool(libt::settings_pack::announce_to_all_tiers, announceToAll);
const int cacheSize = diskCacheSize();
settingsPack.set_int(libt::settings_pack::cache_size, (cacheSize > 0) ? cacheSize * 64 : -1);
const int cacheSize = (diskCacheSize() > -1) ? diskCacheSize() * 64 : -1;
settingsPack.set_int(libt::settings_pack::cache_size, cacheSize);
settingsPack.set_int(libt::settings_pack::cache_expiry, diskCacheTTL());
qDebug() << "Using a disk cache size of" << cacheSize << "MiB";
@ -1456,8 +1464,8 @@ void Session::configure(libtorrent::session_settings &sessionSettings)
bool announceToAll = announceToAllTrackers();
sessionSettings.announce_to_all_trackers = announceToAll;
sessionSettings.announce_to_all_tiers = announceToAll;
int cacheSize = diskCacheSize();
sessionSettings.cache_size = (cacheSize > 0) ? cacheSize * 64 : -1;
const int cacheSize = (diskCacheSize() > -1) ? diskCacheSize() * 64 : -1;
sessionSettings.cache_size = cacheSize;
sessionSettings.cache_expiry = diskCacheTTL();
qDebug() << "Using a disk cache size of" << cacheSize << "MiB";
libt::session_settings::io_buffer_mode_t mode = useOSCache() ? libt::session_settings::enable_os_cache
@ -2782,27 +2790,27 @@ void Session::setAnnounceToAllTrackers(bool val)
}
}
uint Session::diskCacheSize() const
int Session::diskCacheSize() const
{
uint size = m_diskCacheSize;
int size = m_diskCacheSize;
// These macros may not be available on compilers other than MSVC and GCC
#if defined(__x86_64__) || defined(_M_X64)
size = qMin(size, 4096u); // 4GiB
size = qMin(size, 4096); // 4GiB
#else
// When build as 32bit binary, set the maximum at less than 2GB to prevent crashes
// allocate 1536MiB and leave 512MiB to the rest of program data in RAM
size = qMin(size, 1536u);
size = qMin(size, 1536);
#endif
return size;
}
void Session::setDiskCacheSize(uint size)
void Session::setDiskCacheSize(int size)
{
#if defined(__x86_64__) || defined(_M_X64)
size = qMin(size, 4096u); // 4GiB
size = qMin(size, 4096); // 4GiB
#else
// allocate 1536MiB and leave 512MiB to the rest of program data in RAM
size = qMin(size, 1536u);
size = qMin(size, 1536);
#endif
if (size != m_diskCacheSize) {
m_diskCacheSize = size;